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Type 1 Diabetes: A Chronic Anti-Self-Inflammatory Response

Matthew Clark, Charles J. Kroger, Roland M. Tisch

Frontiers in Immunology · 2017 · Review

doi:10.3389/fimmu.2017.01898

Abstract

Inflammation is typically induced in response to a microbial infection. The release of proinflammatory cytokines enhances the stimulatory capacity of antigen-presenting cells, as well as recruits adaptive and innate immune effectors to the site of infection. Once the microbe is cleared, inflammation is resolved by various mechanisms to avoid unnecessary tissue damage. Autoimmunity arises when aberrant immune responses target self-tissues causing inflammation. In type 1 diabetes (T1D), T cells attack the insulin producing β cells in the pancreatic islets. Genetic and environmental factors increase T1D risk by in part altering central and peripheral tolerance inducing events. This results in the development and expansion of β cell-specific effector T cells (Teff) which mediate islet inflammation. Unlike protective immunity where inflammation is terminated, autoimmunity is sustained by chronic inflammation. In this review, we will highlight the key events which initiate and sustain T cell-driven pancreatic islet inflammation in nonobese diabetic mice and in human T1D. Specifically, we will discuss: (i) dysregulation of thymic selection events, (ii) the role of intrinsic and extrinsic factors that enhance the expansion and pathogenicity of Teff, (iii) defects which impair homeostasis and suppressor activity of FoxP3-expressing regulatory T cells, and (iv) properties of β cells which contribute to islet inflammation.

Full text

From PubMed Central, U.S. National Library of Medicine, as current on Oct 27, 2026. Paragraph numbers are ours, so an answer can point at one.

Introduction

Type 1 diabetes (T1D) is an autoimmune disease characterized by the chronic inflammation of the pancreatic islets of Langerhans. Islet inflammation is typically marked by infiltrating adaptive and innate immune effectors. Insulitis progresses over time and when a sufficient amount of β cell mass has been rendered nonfunctional and/or destroyed, hyperglycemic blood levels are achieved, and clinical diabetes established. The immune mechanisms mediating β cell autoimmunity are heterogeneous, as reflected by the nature of the islet infiltrate and the age of clinical onset. Nevertheless, T1D is generally viewed as a T cell-driven autoimmune disease, particularly for the more prevalent and aggressive type of T1D that develops in children and adolescents versus adults. A T cell-independent subtype of T1D, however, may also exist that is thought to be largely mediated by innate immune effectors. The events leading to the loss of β cell-specific tolerance and chronic islet inflammation are complex, and influenced by both genetic and environmental factors.

Type 1 diabetes is polygenic with more than 20 insulin-dependent diabetes mellitus (IDDM) genetic loci identified that are associated with increased or decreased risk for T1D. The strongest genetic association is with the human leukocyte antigen locus (IDDM1), and particular class I and II haplotypes, consistent with a key role for T cells in T1D. A number of genes regulating T, B, and innate cell immunobiology are also linked with T1D, as are genetic variants intrinsic to β cells, which deleteriously affect β cell function and/or responses to inflammation.

The identity and role of environmental factors in T1D are poorly understood. The most common hypothesis is that microbial infections initiate and/or exacerbate islet inflammation in genetically susceptible individuals. For instance, T1D is associated with enteroviruses such as coxsackievirus B1. Viral infection of β cells may result in direct cytolysis and/or elicit local inflammation that initiates and/or drives autoimmunity. The gut microbiota also has a profound regulatory effect on β cell autoimmunity. In the nonobese diabetic (NOD) mouse, a spontaneous model of T1D, β cell destruction can be either promoted or prevented by changes in the composition of the gut microbiota. Here bacterial components and metabolites are thought to impact the activation and/or differentiation status of innate and adaptive immune effectors. Longitudinal studies of at risk subjects also indicate a role for gut microbiota in human T1D.

The T cell-related events that drive chronic islet inflammation in T1D stem from dysregulation of central and peripheral tolerance, alterations in self-antigen processing, and modified β cell responses (Figure 1). Here, we discuss how events critical for initiating and amplifying the development of T cell-mediated islet inflammation are regulated in NOD mice and human T1D.

Thymic Origins of Diabetogenic T Cells: Setting the Stage for Islet Inflammation

The generation of an autoreactive T cell receptor (TCR) repertoire in the periphery is established in part by inefficient negative selection of anti-self-single positive thymocytes (SP) in the thymus. Early in ontogeny negative selection is lax, resulting in increased escape of anti-self-SP. This temporal decrease in negative selection and elevated survival of β cell-specific clonotypes may help explain the predominance of T1D onset in childhood. With time, changes in thymic structural organization and maturation of thymic antigen-presenting cells (APC) leads to more efficient negative selection and increased death of autoreactive SP.

Key mediators of negative selection are medullary thymic epithelial cells (mTEC) and dendritic cells (DC). Notably, mTEC express and present several tissue-specific antigens (TSA). Recognition of MHC-self-peptide complexes with increasing avidity/affinity results in elevated TCR signaling and SP apoptosis. Dysregulation of negative selection generates a peripheral pool of anti-self-T cells displaying increased avidity/affinity, and likely an enhanced “pathogenic potential.”

Parameters influencing the efficiency of negative selection both intrinsic and extrinsic to thymocytes have been linked to the development of β cell-specific T cells and T1D. Thymocyte intrinsic properties reported in NOD mice have included reduced SP sensitivity to apoptosis and altered double positive thymocyte differentiation to SP. In humans, TCR signaling needed to drive apoptosis of β cell-specific SP may be limited by a T1D-associated variant of the protein tyrosine phosphatase non-receptor 22 (PTPN22) gene. PTPN22 is a negative regulator of TCR signaling, and elevated phosphatase activity by PTPN22 is predicted to reduce TCR signaling strength and diminish apoptosis induction in SP. An increase in PTPN22 activity may also limit thymic development of β cell-specific FoxP3-expressing regulatory CD4+ T cells (FOXP3+Treg), which is dependent on high(er) avidity/affinity recognition of self-peptide.

Thymocyte extrinsic factors that impact negative selection include aberrant expression of TSA in the medulla. The importance of thymic expression and presentation of TSA is readily evident in mice and humans deficient of the transcription factor autoimmune regulator (AIRE). Lack of AIRE, which drives expression of select TSA by mTEC, results in inefficient thymic negative selection and reduced development of tissue-specific Foxp3+Treg, leading to multiorgan autoimmunity in mice. Similarly, aberrant AIRE expression and function in humans results in the development of autoimmune polyendorinology candidiasis and ectodermal dysplasia (APECD) in which a variety of organs are targeted by T cells; notably a subset of APCED patients develop T1D. Reduced AIRE expression has been reported in NOD mice, which reflects not only T1D development but also T cell-mediated inflammation of other tissues such as the thyroid, salivary, and lacrimal glands.

In human T1D, a strong genetic association is linked to the insulin encoding gene INS2 found in IDDM2. Insulin is believed to be a key autoantigen driving human T1D, which is supported by studies in NOD mice. INS2 is preceded by a variable number of tandem repeats (VNTRs). Individuals that have 26–63 VNTRs, associated with decreased thymic INS2 expression, have an increased risk of developing T1D. In contrast, INS2 expression is increased with VNTRs ranging between 140 and 210, which in turn is associated with a protective phenotype. Reduced thymic insulin expression is expected to both limit negative selection and development of insulin-specific SP and FOXP3+Treg, respectively. Future studies are needed to directly demonstrate that thymic selection is dysregulated, and contributes to an expanded β cell-specific peripheral T cell pool in human T1D. Whether defects in thymic selection and development of β cell-specific T cells are necessary only early on or required throughout the disease process is another issue that needs to be tackled.

It is noteworthy that β cell-specific T cells are detected in the blood of healthy individuals, likely reflecting in part the reduced efficiency of thymic negative selection early in ontogeny. However, the phenotype of circulating β cell-specific T cells is distinct in T1D patients versus healthy subjects. The former exhibit mostly an effector/memory phenotype and expression of proinflammatory cytokines consistent with ongoing β cell autoimmunity. These findings indicate that in addition to the TCR repertoire, other factors contribute to the differentiation and expansion of diabetogenic effector T cells (Teff). For instance, the extent of tissue destruction and lethality of AIRE deficiency in mice is influenced by genotype with AIRE-deficient NOD versus C57BL/6 mice exhibiting more severe systemic autoimmunity. Additionally, distinct TCR repertoires have been found in NOD mice in contrast to MHC matched C57BL/6 mice. Overall, dysregulation of thymic selection events in NOD mice acts as a precursor for islet inflammation.

Extrinsic and Intrinsic Factors Promote Pathogenic Effector T Cells in T1D

The initiation of islet inflammation in NOD mice and humans is ill-defined. In NOD mice pancreatic remodeling shortly after birth is thought to play a key role starting the diabetogenic response. Remodeling of the pancreas results in a wave of β cell apoptosis and release of antigens which are endocytosed by resident macrophages and DC. These APC then traffick to the draining pancreatic lymph nodes (pLN) to prime β cell-specific T cells and promote Teff differentiation. Once established Teff migrate into the islets and mediate inflammation.

As alluded to above, shifts in the composition of the gut microbiota early in ontogeny are also believed to play a key role in regulating Teff differentiation in both mice and humans. Systemic release of microbiota-derived products can activate APC that in turn prime β cell-specific T cells providing an “environmental trigger” to incite T1D development. NOD mice in which the response to the microbiome is limited due to a deficiency in the Toll-like receptor adaptor protein MyD88, exhibit reduced β cell-specific Teff reactivity and diabetes incidence. Strikingly, diabetes is prevented in NOD mice housed under germ-free conditions and inoculated with microbiota derived from MyD88-deficient animals, demonstrating that the microbiota also has a protective role in T1D. A less diverse gut microbiota in young individuals at risk for T1D is associated with progression to clinical diabetes. Changes in the gut microbiome have also been linked to the female bias of T1D in NOD mice. Interestingly, studies show that the lymphopenic environment in neonatal mice induces naïve T cells to rapidly expand and transition into a memory-like phenotype, that in turn is influenced by gut microbiota. Expansion of memory-like T cells, also seen in newborn humans, may enhance the pathogenic potential of the peripheral T cell pool and favor the development of autoimmunity in susceptible individuals.

Both CD4+ and CD8+ T cells are required for efficient β cell destruction in NOD mice. Islet CD8+ T cells primarily mediate β cell destruction by a cognate interaction involving perforin and granzyme B-, and Fas-Fas ligand-mediated killing. On the other hand, islet CD4+ T cells drive β cell destruction in a bystander manner via secretion of proinflammatory cytokines. CD4+ and CD8+ T cells are also detected in the islets of diabetic subjects, with CD8+ T cells often predominating. Several β cell autoantigens are recognized by the islet infiltrating T cells, and a number of these are similarly targeted in both the NOD and human diabetogenic responses including glutamic acid decarboxylase 65, proinsulin, insulin B chain, islet antigen-2, and islet-specific glucose-6-phosphatase catalytic subunit-related protein.

The majority of CD4+ and CD8+ T cells infiltrating the islets of NOD mice and T1D subjects exhibit a T helper 1 (Th1) effector phenotype, marked by IFNγ secretion. Increased Th17 cells are seen in the islets of NOD mice and the pLN of T1D subjects. The role of Th17 cells in mediating islet inflammation, however, is ill-defined. Elevated local levels of IFNγ are believed to establish a feed-forward loop that drives islet pathology. Based on NOD mouse studies, IFNγ secreted by islet CD4+ (and CD8+) Teff results in local upregulation of chemotactic cues that induce additional T, B, and innate cells to migrate into the islets, as well as promote islet retention of these effectors. IFNγ also activates islet resident APC and stromal cells to elevate production of additional inflammatory mediators, such reactive oxygen species, which impair function and mediate β cell necrosis. Furthermore, IFNγ in the context of IL-1β and TNFα induces β cell apoptosis.

Another proinflammatory cytokine thought to contribute to islet inflammation is IL-21 which is elevated in T1D patient serum. Notably, the murine IL-21 gene is located in the Idd3 locus and IL-21 receptor (R) deficiency prevents T1D in NOD mice. CD4+ T follicular helper cells, which are increased in the pLN of NOD mice, are the primary source of IL-21. IL-21 has a critical role in supporting B cell development and antibody production. B cells, serving as APC, are required for efficient β cell destruction in NOD mice and likely in human T1D. IL-21 also enhances maintenance of CD8+ Teff by preventing exhaustion during chronic inflammation. Interestingly, the pathogenicity of β cell-specific CD8+ T cells is dependent on IL-21R expression.

Defects intrinsic to Teff are also thought to facilitate chronic islet inflammation. Variants of the CTLA4 gene are linked to T1D susceptibility in both NOD mice (Idd5.1) and human T1D (IDDM12). CTLA-4 which binds to the costimulatory molecules CD80 and CD86 expressed on APC, is a negative regulator of T cell activation and proliferation. Polymorphisms in the human CTLA4 gene region are associated with reduced mRNA levels and a decrease in expression of the soluble (s) CTLA-4 isoform. sCTLA-4 also negatively regulates TCR signaling. Reduced expression of CTLA-4 and sCTLA-4 is expected to facilitate expansion of β cell-specific T cells. This scenario is consistent with the exacerbated β cell autoimmunity seen in NOD mice expressing a diabetogenic TCR transgene and lacking CTLA-4 expression. Noteworthy is that both NOD-derived and human T1D Teff also exhibit reduced sensitivity to Foxp3+Treg-mediated suppression. In sum, the culmination of a variety of extrinsic and intrinsic factors enables Teff to expand, persist, and in turn amplify islet inflammation.

Defects in the Foxp3+Treg Pool Contribute to T1D

In addition to Teff that are resistant to regulatory mechanisms that limit expansion and function, evidence indicates that the Foxp3+Treg pool is compromised in T1D. Here, dysregulation of Foxp3+Treg homeostasis is thought to permit preferential differentiation and expansion of pathogenic β cell-specific Teff. Foxp3+Treg have an essential role in regulating immune homeostasis and reactivity to self. The lack of thymic development of Foxp3+Treg due to deficient expression or function of the FoxP3 transcription factor, results in systemic autoimmunity in both mice and humans. Foxp3+Treg mediate suppression of T cells and other immune effectors via multiple mechanisms including cell-contact dependent suppression, and secretion of anti-inflammatory cytokines and mediators such as IL-10, TGFβ1, and IL-35, and adenosine, respectively. Foxp3+Treg also function as an “IL-2 depot” to deprive Teff of IL-2 needed for expansion. The latter is mediated by constitutive expression of CD25, the α subunit of the IL-2R. Therefore, Foxp3+Treg, expressing the high affinity IL-2R, are able to out compete Teff for IL-2, which transiently express high affinity IL-2R.

IL-2 is essential for Foxp3+Treg homeostasis, expansion, and function. Unlike conventional T cells, Foxp3+Treg do not produce IL-2 due to FoxP3-mediated negative regulation of Il2 transcription. Therefore, Foxp3+Treg are dependent on T cells and DC as IL-2 sources. This dependency is thought to enable Foxp3+Treg to more readily sense and respond to ongoing inflammation. Accordingly, defects in the IL-2/IL-2R axis have been described in the NOD model and human T1D. In NOD mice, an Il2 variant located in Idd3 results in reduced levels of IL-2 expression by Teff, and impaired survival and function of islet resident Foxp3+Treg. Increased levels of proinflammatory cytokines, such as IFNγ and IL-6 that downregulate FoxP3 expression may also promote dedifferentiation of islet Foxp3+Treg into a Teff-like subsets. These events lead to a progressive loss of islet Foxp3+Treg suppression, thereby “releasing the brakes” and favoring pathogenic Teff expansion.

The frequency of FOXP3+Treg found in blood is largely unaffected in T1D subjects. However, FOXP3+Treg from T1D subjects exhibit reduced suppressor function measured in vitro. This aberrant activity is linked to T1D risk variants of IL2RA (CD25) and PTPN2, a phosphatase involved in IL-2R signaling. Notably, FOXP3+Treg expressing these variants display reduced IL-2R signaling that in turn correlates with limited suppressor activity. Defects in IL-2R signaling have led to clinical studies testing whether low-dose IL-2 therapy enhances the FOXP3+Treg pool in T1D subjects. This approach has been effective in preventing and/or reversing diabetes in NOD mice by increasing the number and function of islet Foxp3+Treg. One key question not addressed is the specificity of FOXP3+Treg in T1D subjects. Reduced thymic development of β cell-specific FOXP3+Treg, as discussed above, would be expected to limit the “anti-diabetogenic” effects of the peripheral FOXP3+Treg pool.

Amplifying the Pathogenic Effector T Cell Response via Neoautoantigens

Recent findings have demonstrated that the proinflammatory milieu of the islets promotes processing of “neoautoantigens”. Importantly, these neoautoantigens are only found in the periphery so that corresponding T cell clonotypes, not deleted in the thymus and possibly expressing high affinity TCR, can be recruited into the inflammatory response. Neoautoantigens are generated via posttranslational modifications (PTM), such as deamidation by tissue transglutaminase (tTG). PTM can occur during APC antigen processing or directly in β cells. tTG-dependent deamidation of a proinsulin C-peptide for instance is detected in both human DC and islets under inflammatory conditions. Notably the resulting modified peptide is recognized by CD4+ T cells derived from T1D subjects. The MHC binding and in turn T cell stimulatory properties of peptides can also be enhanced by deamidation.

Neoautoantigens consisting of hybrid peptides have recently been identified. In NOD mice hybrid insulin peptides are generated via covalent crosslinking of a proinsulin C peptide with peptides derived from naturally occurring cleavage products produced in the β cell secretory granules. In addition to ongoing inflammation, PTM occurs via endoplasmic reticulum stress, which can be induced in β cells by the normal physiological demands associated with high levels of insulin secretion. Therefore, it is possible that β cell neoautoantigens in addition to amplifying inflammation, play a role in initiating the diabetogenic response. Neoautoantigens are also generated at a transcriptional level. A mutation in the open reading frame of insulin mRNA generates a neoautoantigen that stimulates CD8+ T cells from T1D subjects causing β cells lysis in vitro. Alternative RNA splicing may be another mechanism leading to neoautoantigen expression, particularly since ~30% of genes in inflamed β cells undergo aberrant alternative splicing. In sum, β cell neoautoantigens serve as bona fide targets of pathogenic CD4+ and CD8+ T cells. The breadth of the peptidome of neoautoantigens produced and presented, and the properties of neoautoantigen-specific T cells, in terms of frequency, avidity/affinity, subset phenotype (e.g., pathogenic versus regulatory), and overall contribution to islet inflammation require further investigation.

β Cell-Intrinsic Properties That Regulate Islet Inflammation

Studies have demonstrated that intrinsic properties of β cells also influence islet inflammation. For instance, CXCL10 is produced by β cells although the role of this chemokine in disease is controversial. CXCL10 regulates migration of CXCR3 expressing Teff and Foxp3+Treg into the islets. Overexpression of CXCL10 in β cells accelerates T1D progression, and antibody blockade of CXCL10 prevents Teff migration into the islets of NOD mice. On the other hand, Cxcr3 deficiency accelerates T1D by reducing islet resident Foxp3+Treg. Therefore, depending on the context, β cells may affect inflammatory and immunoregulatory events via CXCL10 production. The chemokine CCL2 is also secreted by β cells, and over-expression of ectopic CCL2 recruits tolerogenic CCR2-expressing DC and blocks T1D progression in NOD mice. Interestingly, NOD APC shows defective migration in response to CCL2, and human T1D patients have reduced serum levels of CCL2. Additionally, β cells produce CXCL1 and CXCL2 that recruit CXCR2-expressing neutrophils to the islets, which contribute to stimulating β cell-specific T cell reactivity. Overall, β cell produced chemotactic cues regulate the progression of the diabetogenic response.

Along with chemokines, β cells secrete the cytokine IL-1β, which at low levels promotes β cell proliferation, and enhances production of CCL2, CXCL1, CXCL2, and insulin. However, IL-1β also primes leukocyte effector-mediated inflammation, and as noted above, IL-1β in the context of TNFα, and/or IFN-γ induces β cell apoptosis in vitro. Notably, glucagon-secreting α cells also produce IL-1β, indicating that other islet resident endocrine cells may also contribute to local inflammation. Islet inflammation also induces upregulation of MHC class I and II on β cells to further increase β cell immunogenicity. Interestingly, a subpopulation of β cells have been identified which under inflammatory conditions acquires resistance to immune-mediated destruction in NOD mice. The latter is associated with a more immature β cell phenotype coupled with reduced expression of autoantigens and upregulation of immunomodulatory molecules such as PD-L1, an inducer of T cell exhaustion. A similar phenotype is seen for human β cells. Therefore, β cells not only contribute to islet inflammation but also adapt under the inflammatory conditions in order to persist. A better understanding of the events regulating this dichotomy has important implications for the treatment of T1D patients via β cell replacement strategies for instance.

Summary

Type 1 diabetes is complex involving genetic, epigenetic and environmental factors that influence adaptive and innate effector cell populations, which ultimately culminate in pathological, chronic islet inflammation (Figure 1). The heterogeneity associated with human T1D and in turn the nature of islet inflammation is expected to reflect the genotype of the individual, and type of environmental insult(s) encountered. These factors dictate which immune effectors are the key drivers of pathology, the pace of disease progression, and the degree of β cell dysregulation and/or death. We propose that the rapid and aggressive T1D seen early in life is marked by a broad β cell-specific TCR repertoire with increased avidity/affinity due to insufficient negative selection. This is coupled with β cell-specific Teff that are insensitive to peripheral tolerance inducing events, β cell-specific FOXP3+Treg with impaired suppressor activity, and β cells which readily promote islet inflammation. Robust inflammation leads to increased β cell neoautoantigen production further amplifying the kinetics and overall inflammatory response. Under these “ideal” conditions, early onset T1D develops. On the other hand, in individuals with only a partial complement of these key “disease components,” islet inflammation is less robust and the kinetics of T1D onset proportionately delayed. Defining the events driving early versus late(r) T1D onset is critical for a better understanding of how islet inflammation is regulated in humans. The latter is also important for developing rational and effective immunotherapies to prevent and/or treat T1D. Devising strategies to enhance thymic negative selection early in ontogeny for instance, would be expected to purge the diabetogenic TCR repertoire to prevent T1D. Indeed, approaches are currently being studied to manipulate thymic negative selection in the context of cancer treatment by expanding the T cell repertoire specific for self-tumor antigens. Altering the gut microbiome early in life may also prove to be an effective strategy to limit expansion of the anti-self-T cell repertoire and establish robust immunoregulation in the periphery. Administration of β cell neoautoantigens may augment the efficacy of antigen-based immunotherapies to block disease progression at later stages of T1D. Depending on the mode of administration, β cell neoautoantigens can be used to target the corresponding clonotypes by tolerizing pathogenic Teff and/or inducing/expanding FOXP3+Treg. In view of the heterogeneity in the immunopathology of T1D, it is very likely these approaches and others currently being studied will need to be combined to effectively suppress the chronic islet inflammation and β cell autoimmunity long term.

Author Contributions

MC, CJK, and RMT contributed to the preparation of the review article.

Conflict of Interest Statement

The authors have no personal, professional, or financial relationships that are considered to be a conflict of interest.

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  34. 34.

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    Not in our library10.2337/db07-1023

  39. 39.

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  40. 40.

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  41. 41.

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  42. 42.

    Oikarinen S Tauriainen S Hober D Lucas B Vazeou A Sioofy-Khojine A Virus antibody survey in different European populations indicates risk association between coxsackievirus B1 and type 1 diabetes. Diabetes (2014 ) 63(2):655–62.

    Not in our library10.2337/db13-0620

  43. 43.

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  44. 44.

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  45. 45.

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  46. 46.

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  47. 47.

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    Not in our library10.2337/db14-1370

  48. 48.

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  49. 49.

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  50. 50.

    Wen L Ley RE Volchkov PY Stranges PB Avanesyan L Stonebraker AC Innate immunity and intestinal microbiota in the development of type 1 diabetes. Nature (2008 ) 455(7216):1109–13.

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  51. 51.

    Markle JG Frank DN Mortin-Toth S Robertson CE Feazel LM Rolle-Kampczyk U Sex differences in the gut microbiome drive hormone-dependent regulation of autoimmunity. Science (2013 ) 339(6123):1084–8.

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  52. 52.

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  53. 53.

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    Not in our library10.2337/db13-1676

  54. 54.

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  55. 55.

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  56. 56.

    Klein L Kyewski B Allen PM Hogquist KA. Positive and negative selection of the T cell repertoire: what thymocytes see (and don’t see). Nat Rev Immunol (2014 ) 14(6):377–91.

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  58. 58.

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  60. 60.

    Anderson MS Su MA. AIRE expands: new roles in immune tolerance and beyond. Nat Rev Immunol (2016 ) 16(4):247–58.

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  61. 61.

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  64. 64.

    Liston A Lesage S Gray DH O’Reilly LA Strasser A Fahrer AM Generalized resistance to thymic deletion in the NOD mouse; a polygenic trait characterized by defective induction of Bim. Immunity (2004 ) 21(6):817–30.

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  65. 65.

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  66. 66.

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  67. 67.

    Zucchelli S Holler P Yamagata T Roy M Benoist C Mathis D. Defective central tolerance induction in NOD mice: genomics and genetics. Immunity (2005 ) 22(3):385–96.

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  68. 68.

    Vang T Congia M Macis MD Musumeci L Orru V Zavattari P Autoimmune-associated lymphoid tyrosine phosphatase is a gain-of-function variant. Nat Genet (2005 ) 37(12):1317–9.

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  69. 69.

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  71. 71.

    Zuklys S Balciunaite G Agarwal A Fasler-Kan E Palmer E Hollander GA. Normal thymic architecture and negative selection are associated with Aire expression, the gene defective in the autoimmune-polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED). J Immunol (2000 ) 165(4):1976–83.

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  72. 72.

    Yang S Fujikado N Kolodin D Benoist C Mathis D. Immune tolerance. Regulatory T cells generated early in life play a distinct role in maintaining self-tolerance. Science (2015 ) 348(6234):589–94.

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  74. 74.

    Lei Y Ripen AM Ishimaru N Ohigashi I Nagasawa T Jeker LT Aire-dependent production of XCL1 mediates medullary accumulation of thymic dendritic cells and contributes to regulatory T cell development. J Exp Med (2011 ) 208(2):383–94.

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  75. 75.

    Nagamine K Peterson P Scott HS Kudoh J Minoshima S Heino M Positional cloning of the APECED gene. Nat Genet (1997 ) 17(4):393–8.

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  76. 76.

    Finnish-German AC. An autoimmune disease, APECED, caused by mutations in a novel gene featuring two PHD-type zinc-finger domains. Nat Genet (1997 ) 17(4):399–403.

    Not in our library10.1038/ng1297-399

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    Fornari TA Donate PB Macedo C Marques MM Magalhaes DA Passos GA. Age-related deregulation of Aire and peripheral tissue antigen genes in the thymic stroma of non-obese diabetic (NOD) mice is associated with autoimmune type 1 diabetes mellitus (DM-1). Mol Cell Biochem (2010 ) 342(1–2):21–8.

    Not in our library10.1007/s11010-010-0464-z

  78. 78.

    Bell GI Horita S Karam JH A polymorphic locus near the human insulin gene is associated with insulin-dependent diabetes mellitus. Diabetes (1984 ) 33(2):176–83.

    Not in our library10.2337/diabetes.33.2.176

  79. 79.

    Unanue ER Ferris ST Carrero JA. The role of islet antigen presenting cells and the presentation of insulin in the initiation of autoimmune diabetes in the NOD mouse. Immunol Rev (2016 ) 272(1):183–201.

    Not in our library10.1111/imr.12430

  80. 80.

    Zhang L Nakayama M Eisenbarth GS. Insulin as an autoantigen in NOD/human diabetes. Curr Opin Immunol (2008 ) 20(1):111–8.

    Not in our library10.1016/j.coi.2007.11.005

  81. 81.

    Krishnamurthy B Dudek NL McKenzie MD Purcell AW Brooks AG Gellert S Responses against islet antigens in NOD mice are prevented by tolerance to proinsulin but not IGRP. J Clin Invest (2006 ) 116(12):3258–65.

    Not in our library10.1172/jci29602

  82. 82.

    Pugliese A Zeller M Fernandez A Jr Zalcberg LJ Bartlett RJ Ricordi C The insulin gene is transcribed in the human thymus and transcription levels correlated with allelic variation at the INS VNTR-IDDM2 susceptibility locus for type 1 diabetes. Nat Genet (1997 ) 15(3):293–7.

    Not in our library10.1038/ng0397-293

  83. 83.

    Vafiadis P Bennett ST Todd JA Nadeau J Grabs R Goodyer CG Insulin expression in human thymus is modulated by INS VNTR alleles at the IDDM2 locus. Nat Genet (1997 ) 15(3):289–92.

    Not in our library10.1038/ng0397-289

  84. 84.

    Monti P Scirpoli M Rigamonti A Mayr A Jaeger A Bonfanti R Evidence for in vivo primed and expanded autoreactive T cells as a specific feature of patients with type 1 diabetes. J Immunol (2007 ) 179(9):5785–92.

    Not in our library10.4049/jimmunol.179.9.5785

  85. 85.

    Skowera A Ladell K McLaren JE Dolton G Matthews KK Gostick E beta-cell-specific CD8 T cell phenotype in type 1 diabetes reflects chronic autoantigen exposure. Diabetes (2015 ) 64(3):916–25.

    Not in our library10.2337/db14-0332

  86. 86.

    Viglietta V Kent SC Orban T Hafler DA. GAD65-reactive T cells are activated in patients with autoimmune type 1a diabetes. J Clin Invest (2002 ) 109(7):895–903.

    Not in our library10.1172/jci14114

  87. 87.

    Arif S Tree TI Astill TP Tremble JM Bishop AJ Dayan CM Autoreactive T cell responses show proinflammatory polarization in diabetes but a regulatory phenotype in health. J Clin Invest (2004 ) 113(3):451–63.

    Not in our library10.1172/jci19585

  88. 88.

    Luce S Lemonnier F Briand JP Coste J Lahlou N Muller S Single insulin-specific CD8+ T cells show characteristic gene expression profiles in human type 1 diabetes. Diabetes (2011 ) 60(12):3289–99.

    Not in our library10.2337/db11-0270

  89. 89.

    Velthuis JH Unger WW Abreu JR Duinkerken G Franken K Peakman M Simultaneous detection of circulating autoreactive CD8+ T-cells specific for different islet cell-associated epitopes using combinatorial MHC multimers. Diabetes (2010 ) 59(7):1721–30.

    Not in our library10.2337/db09-1486

  90. 90.

    Chen Z Benoist C Mathis D. How defects in central tolerance impinge on a deficiency in regulatory T cells. Proc Natl Acad Sci U S A (2005 ) 102(41):14735–40.

    Not in our library10.1073/pnas.0507014102

  91. 91.

    Jiang W Anderson MS Bronson R Mathis D Benoist C. Modifier loci condition autoimmunity provoked by Aire deficiency. J Exp Med (2005 ) 202(6):805–15.

    Not in our library10.1084/jem.20050693

  92. 92.

    Ferreira C Singh Y Furmanski AL Wong FS Garden OA Dyson J. Non-obese diabetic mice select a low-diversity repertoire of natural regulatory T cells. Proc Natl Acad Sci U S A (2009 ) 106(20):8320–5.

    Not in our library10.1073/pnas.0808493106

  93. 93.

    St-Onge L Wehr R Gruss P Pancreas development and diabetes. Curr Opin Genet Dev (1999 ) 9(3):295–300.

    Not in our library10.1016/s0959-437x(99)80044-6

  94. 94.

    Finegood DT Scaglia L Bonner-Weir S. Dynamics of beta-cell mass in the growing rat pancreas. Estimation with a simple mathematical model. Diabetes (1995 ) 44(3):249–56.

    Not in our library10.2337/diabetes.44.3.249

  95. 95.

    Gagnerault MC Luan JJ Lotton C Lepault F. Pancreatic lymph nodes are required for priming of beta cell reactive T cells in NOD mice. J Exp Med (2002 ) 196(3):369–77.

    Not in our library10.1084/jem.20011353

  96. 96.

    Turley S Poirot L Hattori M Benoist C Mathis D. Physiological beta cell death triggers priming of self-reactive T cells by dendritic cells in a type-1 diabetes model. J Exp Med (2003 ) 198(10):1527–37.

    Not in our library10.1084/jem.20030966

  97. 97.

    Rotondi M Chiovato L Romagnani S Serio M Romagnani P. Role of chemokines in endocrine autoimmune diseases. Endocr Rev (2007 ) 28(5):492–520.

    Not in our library10.1210/er.2006-0044

  98. 98.

    Sarkar SA Lee CE Victorino F Nguyen TT Walters JA Burrack A Expression and regulation of chemokines in murine and human type 1 diabetes. Diabetes (2012 ) 61(2):436–46.

    Not in our library10.2337/db11-0853

  99. 99.

    Rhode A Pauza ME Barral AM Rodrigo E Oldstone MB von Herrath MG Islet-specific expression of CXCL10 causes spontaneous islet infiltration and accelerates diabetes development. J Immunol (2005 ) 175(6):3516–24.

    Not in our library10.4049/jimmunol.175.6.3516

  100. 100.

    Yurkovetskiy L Burrows M Khan AA Graham L Volchkov P Becker L Gender bias in autoimmunity is influenced by microbiota. Immunity (2013 ) 39(2):400–12.

    Not in our library10.1016/j.immuni.2013.08.013

  101. 101.

    Kawabe T Jankovic D Kawabe S Huang Y Lee PH Yamane H Memory-phenotype CD4+ T cells spontaneously generated under steady-state conditions exert innate TH1-like effector function. Sci Immunol (2017 ) 2(12):eaam9304.

    Not in our library10.1126/sciimmunol.aam9304

  102. 102.

    Zhang X Zhivaki D Lo-Man R. Unique aspects of the perinatal immune system. Nat Rev Immunol (2017 ) 17(8):495–507.

    Not in our library10.1038/nri.2017.54

  103. 103.

    Jameson SC Lee YJ Hogquist KA. Innate memory T cells. Adv Immunol (2015 ) 126:173–213.

    Not in our library10.1016/bs.ai.2014.12.001

  104. 104.

    Kieper WC Troy A Burghardt JT Ramsey C Lee JY Jiang HQ Recent immune status determines the source of antigens that drive homeostatic T cell expansion. J Immunol (2005 ) 174(6):3158–63.

    Not in our library10.4049/jimmunol.174.6.3158

  105. 105.

    Christianson SW Shultz LD Leiter EH. Adoptive transfer of diabetes into immunodeficient NOD-scid/scid mice. Relative contributions of CD4+ and CD8+ T-cells from diabetic versus prediabetic NOD.NON-Thy-1a donors. Diabetes (1993 ) 42(1):44–55.

    Not in our library10.2337/diab.42.1.44

  106. 106.

    Roep BO. The role of T-cells in the pathogenesis of Type 1 diabetes: from cause to cure. Diabetologia (2003 ) 46(3):305–21.

    Not in our library10.1007/s00125-003-1089-5

  107. 107.

    Pang S Zhang L Wang H Yi Z Li L Gao L CD8(+) T cells specific for beta cells encounter their cognate antigens in the islets of NOD mice. Eur J Immunol (2009 ) 39(10):2716–24.

    Not in our library10.1002/eji.200939408

  108. 108.

    Mallone R Brezar V Boitard C. T cell recognition of autoantigens in human type 1 diabetes: clinical perspectives. Clin Dev Immunol (2011 ) 2011:513210.

    Not in our library10.1155/2011/513210

  109. 109.

    Walker LS von Herrath M. CD4 T cell differentiation in type 1 diabetes. Clin Exp Immunol (2016 ) 183(1):16–29.

    Not in our library10.1111/cei.12672

  110. 110.

    Kuriya G Uchida T Akazawa S Kobayashi M Nakamura K Satoh T Double deficiency in IL-17 and IFN-gamma signalling significantly suppresses the development of diabetes in the NOD mouse. Diabetologia (2013 ) 56(8):1773–80.

    Not in our library10.1007/s00125-013-2935-8

  111. 111.

    Ferraro A Socci C Stabilini A Valle A Monti P Piemonti L Expansion of Th17 cells and functional defects in T regulatory cells are key features of the pancreatic lymph nodes in patients with type 1 diabetes. Diabetes (2011 ) 60(11):2903–13.

    Not in our library10.2337/db11-0090

  112. 112.

    Martin AJ Clark M Gojanovich G Manzoor F Miller K Kline DE Anti-coreceptor therapy drives selective T cell egress by suppressing inflammation-dependent chemotactic cues. JCI Insight (2016 ) 1(17):e87636.

    Not in our library10.1172/jci.insight.87636

  113. 113.

    Cnop M Welsh N Jonas JC Jorns A Lenzen S Eizirik DL. Mechanisms of pancreatic beta-cell death in type 1 and type 2 diabetes: many differences, few similarities. Diabetes (2005 ) 54(Suppl 2):S97–107.

    Not in our library10.2337/diabetes.54.suppl_2.s97

  114. 114.

    Yoon JW Jun HS. Autoimmune destruction of pancreatic beta cells. Am J Ther (2005 ) 12(6):580–91.

    Not in our library10.1097/01.mjt.0000178767.67857.63

  115. 115.
    IL-21 production by CD4+ effector T cells and frequency of circulating follicular helper T cells are increased in type 1 diabetes patients · 2015
    No notice
  116. 116.

    Sutherland AP Van Belle T Wurster AL Suto A Michaud M Zhang D Interleukin-21 is required for the development of type 1 diabetes in NOD mice. Diabetes (2009 ) 58(5):1144–55.

    Not in our library10.2337/db08-0882

  117. 117.

    Vinuesa CG Tangye SG Moser B Mackay CR. Follicular B helper T cells in antibody responses and autoimmunity. Nat Rev Immunol (2005 ) 5(11):853–65.

    Not in our library10.1038/nri1714

  118. 118.

    Crotty S. Follicular helper CD4 T cells (TFH). Annu Rev Immunol (2011 ) 29:621–63.

    Not in our library10.1146/annurev-immunol-031210-101400

  119. 119.

    Kenefeck R Wang CJ Kapadi T Wardzinski L Attridge K Clough LE Follicular helper T cell signature in type 1 diabetes. J Clin Invest (2015 ) 125(1):292–303.

    Not in our library10.1172/jci76238

  120. 120.

    Serreze DV Chapman HD Varnum DS Hanson MS Reifsnyder PC Richard SD B lymphocytes are essential for the initiation of T cell-mediated autoimmune diabetes: analysis of a new “speed congenic” stock of NOD.Ig mu null mice. J Exp Med (1996 ) 184(5):2049–53.

    Not in our library10.1084/jem.184.5.2049

  121. 121.

    Noorchashm H Lieu YK Noorchashm N Rostami SY Greeley SA Schlachterman A I-Ag7-mediated antigen presentation by B lymphocytes is critical in overcoming a checkpoint in T cell tolerance to islet beta cells of nonobese diabetic mice. J Immunol (1999 ) 163(2):743–50.

    Not in our library

  122. 122.

    Frohlich A Kisielow J Schmitz I Freigang S Shamshiev AT Weber J IL-21R on T cells is critical for sustained functionality and control of chronic viral infection. Science (2009 ) 324(5934):1576–80.

    Not in our library10.1126/science.1172815

  123. 123.

    Yi JS Du M Zajac AJ. A vital role for interleukin-21 in the control of a chronic viral infection. Science (2009 ) 324(5934):1572–6.

    Not in our library10.1126/science.1175194

  124. 124.

    McGuire HM Vogelzang A Ma CS Hughes WE Silveira PA Tangye SG A subset of interleukin-21+ chemokine receptor CCR9+ T helper cells target accessory organs of the digestive system in autoimmunity. Immunity (2011 ) 34(4):602–15.

    Not in our library10.1016/j.immuni.2011.01.021

  125. 125.

    Sutherland AP Joller N Michaud M Liu SM Kuchroo VK Grusby MJ. IL-21 promotes CD8+ CTL activity via the transcription factor T-bet. J Immunol (2013 ) 190(8):3977–84.

    Not in our library10.4049/jimmunol.1201730

  126. 126.

    Anjos S Nguyen A Ounissi-Benkalha H Tessier MC Polychronakos C. A common autoimmunity predisposing signal peptide variant of the cytotoxic T-lymphocyte antigen 4 results in inefficient glycosylation of the susceptibility allele. J Biol Chem (2002 ) 277(48):46478–86.

    Not in our library10.1074/jbc.m206894200

  127. 127.
    Pinpointing when T cell costimulatory receptor CTLA-4 must be engaged to dampen diabetogenic T cells · 2000
    Not checked
  128. 128.

    Schneider A Rieck M Sanda S Pihoker C Greenbaum C Buckner JH. The effector T cells of diabetic subjects are resistant to regulation via CD4+ FOXP3+ regulatory T cells. J Immunol (2008 ) 181(10):7350–5.

    Not in our library10.4049/jimmunol.181.10.7350

  129. 129.

    D’Alise AM Auyeung V Feuerer M Nishio J Fontenot J Benoist C The defect in T-cell regulation in NOD mice is an effect on the T-cell effectors. Proc Natl Acad Sci U S A (2008 ) 105(50):19857–62.

    Not in our library10.1073/pnas.0810713105

  130. 130.

    Tang Q Adams JY Penaranda C Melli K Piaggio E Sgouroudis E Central role of defective interleukin-2 production in the triggering of islet autoimmune destruction. Immunity (2008 ) 28(5):687–97.

    Not in our library10.1016/j.immuni.2008.03.016

  131. 131.

    Xufre C Costa M Roura-Mir C Codina-Busqueta E Usero L Pizarro E Low frequency of GITR+ T cells in ex vivo and in vitro expanded Treg cells from type 1 diabetic patients. Int Immunol (2013 ) 25(10):563–74.

    Not in our library10.1093/intimm/dxt020

  132. 132.

    Brunkow ME Jeffery EW Hjerrild KA Paeper B Clark LB Yasayko SA Disruption of a new forkhead/winged-helix protein, scurfin, results in the fatal lymphoproliferative disorder of the scurfy mouse. Nat Genet (2001 ) 27(1):68–73.

    Not in our library10.1038/83784

  133. 133.

    Wildin RS Smyk-Pearson S Filipovich AH Clinical and molecular features of the immunodysregulation, polyendocrinopathy, enteropathy, X linked (IPEX) syndrome. J Med Genet (2002 ) 39(8):537–45.

    Not in our library10.1136/jmg.39.8.537

  134. 134.

    Fontenot JD Gavin MA Rudensky AY. Foxp3 programs the development and function of CD4+CD25+ regulatory T cells. Nat Immunol (2003 ) 4(4):330–6.

    Not in our library10.1038/ni904

  135. 135.

    Collison LW Chaturvedi V Henderson AL Giacomin PR Guy C Bankoti J IL-35-mediated induction of a potent regulatory T cell population. Nat Immunol (2010 ) 11(12):1093–101.

    Not in our library10.1038/ni.1952

  136. 136.

    Vignali DA Collison LW Workman CJ. How regulatory T cells work. Nat Rev Immunol (2008 ) 8(7):523–32.

    Not in our library10.1038/nri2343

  137. 137.

    Lowe CE Cooper JD Brusko T Walker NM Smyth DJ Bailey R Large-scale genetic fine mapping and genotype-phenotype associations implicate polymorphism in the IL2RA region in type 1 diabetes. Nat Genet (2007 ) 39(9):1074–82.

    Not in our library10.1038/ng2102

  138. 138.

    Maier LM Anderson DE Severson CA Baecher-Allan C Healy B Liu DV Soluble IL-2RA levels in multiple sclerosis subjects and the effect of soluble IL-2RA on immune responses. J Immunol (2009 ) 182(3):1541–7.

    Not in our library10.4049/jimmunol.182.3.1541

  139. 139.

    Giordano C Panto F Caruso C Modica MA Zambito AM Sapienza N Interleukin 2 and soluble interleukin 2-receptor secretion defect in vitro in newly diagnosed type I diabetic patients. Diabetes (1989 ) 38(3):310–5.

    Not in our library10.2337/diab.38.3.310

  140. 140.

    Brusko T Wasserfall C McGrail K Schatz R Viener HL Schatz D No alterations in the frequency of FOXP3+ regulatory T-cells in type 1 diabetes. Diabetes (2007 ) 56(3):604–12.

    Not in our library10.2337/db06-1248

  141. 141.

    Brusko TM Wasserfall CH Clare-Salzler MJ Schatz DA Atkinson MA. Functional defects and the influence of age on the frequency of CD4+ CD25+ T-cells in type 1 diabetes. Diabetes (2005 ) 54(5):1407–14.

    Not in our library10.2337/diabetes.54.5.1407

  142. 142.

    Qu HQ Verlaan DJ Ge B Lu Y Lam KC Grabs R A cis-acting regulatory variant in the IL2RA locus. J Immunol (2009 ) 183(8):5158–62.

    Not in our library10.4049/jimmunol.0901337

  143. 143.

    Denny P Lord CJ Hill NJ Goy JV Levy ER Podolin PL Mapping of the IDDM locus Idd3 to a 0.35-cM interval containing the interleukin-2 gene. Diabetes (1997 ) 46(4):695–700.

    Not in our library10.2337/diab.46.4.695

  144. 144.

    Lu L Barbi J Pan F. The regulation of immune tolerance by FOXP3. Nat Rev Immunol (2017 ) 17(11):703–17.

    Not in our library10.1038/nri.2017.75

  145. 145.

    Bailey-Bucktrout SL Bluestone JA. Regulatory T cells: stability revisited. Trends Immunol (2011 ) 32(7):301–6.

    Not in our library10.1016/j.it.2011.04.002

  146. 146.

    Lindley S Dayan CM Bishop A Roep BO Peakman M Tree TI. Defective suppressor function in CD4(+)CD25(+) T-cells from patients with type 1 diabetes. Diabetes (2005 ) 54(1):92–9.

    Not in our library10.2337/diabetes.54.1.92

  147. 147.

    Ryba-Stanislawowska M Rybarczyk-Kapturska K Mysliwiec M Mysliwska J. Elevated levels of serum IL-12 and IL-18 are associated with lower frequencies of CD4(+)CD25 (high)FOXP3 (+) regulatory t cells in young patients with type 1 diabetes. Inflammation (2014 ) 37(5):1513–20.

    Not in our library10.1007/s10753-014-9878-1

  148. 148.

    Haseda F Imagawa A Murase-Mishiba Y Terasaki J Hanafusa T CD4(+) CD45RA(-) FoxP3high activated regulatory T cells are functionally impaired and related to residual insulin-secreting capacity in patients with type 1 diabetes. Clin Exp Immunol (2013 ) 173(2):207–16.

    Not in our library10.1111/cei.12116

  149. 149.

    Hulme MA Wasserfall CH Atkinson MA Brusko TM. Central role for interleukin-2 in type 1 diabetes. Diabetes (2012 ) 61(1):14–22.

    Not in our library10.2337/db11-1213

  150. 150.

    Garg G Tyler JR Yang JH Cutler AJ Downes K Pekalski M Type 1 diabetes-associated IL2RA variation lowers IL-2 signaling and contributes to diminished CD4+CD25+ regulatory T cell function. J Immunol (2012 ) 188(9):4644–53.

    Not in our library10.4049/jimmunol.1100272

  151. 151.

    Hartemann A Bensimon G Payan CA Jacqueminet S Bourron O Nicolas N Low-dose interleukin 2 in patients with type 1 diabetes: a phase 1/2 randomised, double-blind, placebo-controlled trial. Lancet Diabetes Endocrinol (2013 ) 1(4):295–305.

    Not in our library10.1016/s2213-8587(13)70113-x

  152. 152.

    Grinberg-Bleyer Y Baeyens A You S Elhage R Fourcade G Gregoire S IL-2 reverses established type 1 diabetes in NOD mice by a local effect on pancreatic regulatory T cells. J Exp Med (2010 ) 207(9):1871–8.

    Not in our library10.1084/jem.20100209

  153. 153.

    Roep BO Kracht MJ van Lummel M Zaldumbide A. A roadmap of the generation of neoantigens as targets of the immune system in type 1 diabetes. Curr Opin Immunol (2016 ) 43:67–73.

    Not in our library10.1016/j.coi.2016.09.007

  154. 154.

    McLaughlin RJ de Haan A Zaldumbide A de Koning EJ de Ru AH van Veelen PA Human islets and dendritic cells generate post-translationally modified islet autoantigens. Clin Exp Immunol (2016 ) 185(2):133–40.

    Not in our library10.1111/cei.12775

  155. 155.

    van Lummel M Duinkerken G van Veelen PA de Ru A Cordfunke R Zaldumbide A Posttranslational modification of HLA-DQ binding islet autoantigens in type 1 diabetes. Diabetes (2014 ) 63(1):237–47.

    Not in our library10.2337/db12-1214

  156. 156.

    Delong T Wiles TA Baker RL Bradley B Barbour G Reisdorph R Pathogenic CD4 T cells in type 1 diabetes recognize epitopes formed by peptide fusion. Science (2016 ) 351(6274):711–4.

    Not in our library10.1126/science.aad2791

  157. 157.

    Phelps EA Cianciaruso C Michael IP Pasquier M Kanaani J Nano R Aberrant accumulation of the diabetes autoantigen GAD65 in Golgi membranes in conditions of ER stress and autoimmunity. Diabetes (2016 ) 65(9):2686–99.

    Not in our library10.2337/db16-0180

  158. 158.

    Kracht MJ van Lummel M Nikolic T Joosten AM Laban S van der Slik AR Autoimmunity against a defective ribosomal insulin gene product in type 1 diabetes. Nat Med (2017 ) 23(4):501–7.

    Not in our library10.1038/nm.4289

  159. 159.
    The Human Pancreatic Islet Transcriptome: Expression of Candidate Genes for Type 1 Diabetes and the Impact of Pro-Inflammatory Cytokines · 2012
    No notice
  160. 160.

    Yoshimatsu G Kunnathodi F Saravanan PB Shahbazov R Chang C Darden CM Pancreatic beta cell-derived IP-10/CXCL10 isletokine mediates early loss of graft function in islet cell transplantation. Diabetes (2017 ) 66(11):2857–67.

    Not in our library10.2337/db17-0578

  161. 161.

    Tanaka S Nishida Y Aida K Maruyama T Shimada A Suzuki M Enterovirus infection, CXC chemokine ligand 10 (CXCL10), and CXCR3 circuit: a mechanism of accelerated beta-cell failure in fulminant type 1 diabetes. Diabetes (2009 ) 58(10):2285–91.

    Not in our library10.2337/db09-0091

  162. 162.

    Homann D Back from the brink: the uses of targeting the CXCL10:CXCR3 axis in type 1 diabetes. Diabetes (2015 ) 64(12):3990–2.

    Not in our library10.2337/dbi15-0019

  163. 163.

    Tan TG Mathis D Benoist C. Singular role for T-BET+CXCR3+ regulatory T cells in protection from autoimmune diabetes. Proc Natl Acad Sci U S A (2016 ) 113(49):14103–8.

    Not in our library10.1073/pnas.1616710113

  164. 164.

    Kriegel MA Rathinam C Flavell RA. Pancreatic islet expression of chemokine CCL2 suppresses autoimmune diabetes via tolerogenic CD11c+ CD11b+ dendritic cells. Proc Natl Acad Sci U S A (2012 ) 109(9):3457–62.

    Not in our library10.1073/pnas.1115308109

  165. 165.

    Bouma G Nikolic T Coppens JM van Helden-Meeuwsen CG Leenen PJ Drexhage HA NOD mice have a severely impaired ability to recruit leukocytes into sites of inflammation. Eur J Immunol (2005 ) 35(1):225–35.

    Not in our library10.1002/eji.200425513

  166. 166.
    Chemokine (C-C motif) ligand 2 (CCL2) in sera of patients with type 1 diabetes and diabetic complications. · 2011
    Not checked
  167. 167.

    Diana J Lehuen A Macrophages and beta-cells are responsible for CXCR2-mediated neutrophil infiltration of the pancreas during autoimmune diabetes. EMBO Mol Med (2014 ) 6(8):1090–104.

    Not in our library10.15252/emmm.201404144

  168. 168.

    Citro A Cantarelli E Piemonti L. The CXCR1/2 pathway: involvement in diabetes pathophysiology and potential target for T1D interventions. Curr Diab Rep (2015 ) 15(10):68.

    Not in our library10.1007/s11892-015-0638-x

  169. 169.

    Maedler K Sergeev P Ris F Oberholzer J Joller-Jemelka HI Spinas GA Glucose-induced beta cell production of IL-1beta contributes to glucotoxicity in human pancreatic islets. J Clin Invest (2002 ) 110(6):851–60.

    Not in our library10.1172/jci15318

  170. 170.

    Cardozo AK Proost P Gysemans C Chen MC Mathieu C Eizirik DL. IL-1beta and IFN-gamma induce the expression of diverse chemokines and IL-15 in human and rat pancreatic islet cells, and in islets from pre-diabetic NOD mice. Diabetologia (2003 ) 46(2):255–66.

    Not in our library10.1007/s00125-002-1017-0

  171. 171.

    Timper K Dalmas E Dror E Rutti S Thienel C Sauter NS Glucose-dependent insulinotropic peptide stimulates glucagon-like peptide 1 production by pancreatic islets via interleukin 6, produced by alpha cells. Gastroenterology (2016 ) 151(1):165–79.

    Not in our library10.1053/j.gastro.2016.03.003

  172. 172.

    Anquetil F Sabouri S Thivolet C Rodriguez-Calvo T Zapardiel-Gonzalo J Amirian N Alpha cells, the main source of IL-1beta in human pancreas. J Autoimmun (2017 ) 81:68–73.

    Not in our library10.1016/j.jaut.2017.03.006

  173. 173.

    Thomas HE Parker JL Schreiber RD Kay TW IFN-gamma action on pancreatic beta cells causes class I MHC upregulation but not diabetes. J Clin Invest (1998 ) 102(6):1249–57.

    Not in our library10.1172/jci2899

  174. 174.

    Rui J Deng S Arazi A Perdigoto AL Liu Z Herold KC Beta cells that resist immunological attack develop during progression of autoimmune diabetes in NOD mice. Cell Metab (2017 ) 25(3):727–38.

    Not in our library10.1016/j.cmet.2017.01.005

  175. 175.

    Khan IS Mouchess ML Zhu ML Conley B Fasano KJ Hou Y Enhancement of an anti-tumor immune response by transient blockade of central T cell tolerance. J Exp Med (2014 ) 211(5):761–8.

    Not in our library10.1084/jem.20131889

  176. 176.

    Bakhru P Zhu ML Wang HH Hong LK Khan I Mouchess M Combination central tolerance and peripheral checkpoint blockade unleashes antimelanoma immunity. JCI Insight (2017 ) 2(18):93265.

    Not in our library10.1172/jci.insight.93265

  177. 177.
    Sex bias in CNS autoimmune disease mediated by androgen control of autoimmune regulator · 2016
    No notice

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