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Muniz TP, Araujo DV, Savage KJ, Cheng T, Saha M, Song X, Gill S, Monzon JG, Grenier D, Genta S, Allen MJ, Arteaga DP, Saibil SD, Butler MO, Spreafico A, Hogg D. CANDIED: A Pan-Canadian Cohort of Immune Checkpoint Inhibitor-Induced Insulin-Dependent Diabetes Mellitus. Cancers (Basel) 2021; 14:cancers14010089. [PMID: 35008256 PMCID: PMC8750429 DOI: 10.3390/cancers14010089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 12/17/2021] [Accepted: 12/21/2021] [Indexed: 01/08/2023] Open
Abstract
Simple Summary Immune checkpoint inhibitor-induced insulin-dependent diabetes mellitus (ICI-induced IDDM) is an emerging form of autoimmune diabetes. We describe the characteristics of 34 patients who developed ICI-induced IDDM across five Canadian cancer centres. We observed that presentation with hyperglycemic crisis is common and that patients treated with combination immunotherapy regimens develop ICI-induced IDDM earlier than those treated with monotherapy. Our results suggest that ICI-induced IDDM is irreversible but is associated with high tumor response rates and prolonged survival. The data generated by this study may help clinicians manage ICI-induced IDDM. Abstract Immune checkpoint inhibitor (ICI)-induced insulin-dependent diabetes mellitus (IDDM) is a rare but potentially fatal immune-related adverse event (irAE). In this multicentre retrospective cohort study, we describe the characteristics of ICI-induced IDDM in patients treated across five Canadian cancer centres, as well as their tumor response rates and survival. In 34 patients identified, 25 (74%) were male and 19 (56%) had melanoma. All patients received anti-programed death 1 (anti-PD1) or anti-programmed death ligand-1 (anti-PD-L1)-based therapy. From ICI initiation, median time to onset of IDDM was 2.4 months (95% CI 1.1–3.6). Patients treated with anti-PD1/PD-L1 in combination with an anti-cytotoxic T lymphocyte antigen 4 antibody developed IDDM earlier compared with patients on monotherapy (1.4 vs. 3.9 months, p = 0.05). Diabetic ketoacidosis occurred in 21 (62%) patients. Amongst 30 patients evaluable for response, 10 (33%) had a complete response and another 10 (33%) had a partial response. Median overall survival was not reached (95% CI NE; median follow-up 31.7 months). All patients remained insulin-dependent at the end of follow-up. We observed that ICI-induced IDDM is an irreversible irAE and may be associated with a high response rate and prolonged survival.
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Affiliation(s)
- Thiago P. Muniz
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, University Health Network, Toronto, ON M5S 1Z5, Canada; (S.G.); (M.J.A.); (D.P.A.); (S.D.S.); (M.O.B.); (A.S.); (D.H.)
- Correspondence:
| | - Daniel V. Araujo
- Hospital de Base, Faculdade de Medicina de Sao Jose do Rio Preto, Sao Jose do Rio Preto 15090-000, Brazil;
| | - Kerry J. Savage
- Division of Medical Oncology, Department of Medicine, The University of British Columbia, Vancouver, BC V5Z 1M9, Canada;
| | - Tina Cheng
- Department of Oncology, University of Calgary, Calgary, AB T2N 4N2, Canada; (T.C.); (J.G.M.)
| | - Moumita Saha
- Division of Endocrinology and Metabolism, University of British Columbia, Vancouver, BC V6Z 1Y6, Canada; (M.S.); (S.G.)
| | - Xinni Song
- The Ottawa Hospital Cancer Centre, University of Ottawa, Ottawa, ON K1H 8L6, Canada;
| | - Sabrina Gill
- Division of Endocrinology and Metabolism, University of British Columbia, Vancouver, BC V6Z 1Y6, Canada; (M.S.); (S.G.)
| | - Jose G. Monzon
- Department of Oncology, University of Calgary, Calgary, AB T2N 4N2, Canada; (T.C.); (J.G.M.)
| | - Debjani Grenier
- Department of Medical Oncology, University of Manitoba, Winnipeg, MB R3A 1R9, Canada;
| | - Sofia Genta
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, University Health Network, Toronto, ON M5S 1Z5, Canada; (S.G.); (M.J.A.); (D.P.A.); (S.D.S.); (M.O.B.); (A.S.); (D.H.)
| | - Michael J. Allen
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, University Health Network, Toronto, ON M5S 1Z5, Canada; (S.G.); (M.J.A.); (D.P.A.); (S.D.S.); (M.O.B.); (A.S.); (D.H.)
| | - Diana P. Arteaga
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, University Health Network, Toronto, ON M5S 1Z5, Canada; (S.G.); (M.J.A.); (D.P.A.); (S.D.S.); (M.O.B.); (A.S.); (D.H.)
| | - Samuel D. Saibil
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, University Health Network, Toronto, ON M5S 1Z5, Canada; (S.G.); (M.J.A.); (D.P.A.); (S.D.S.); (M.O.B.); (A.S.); (D.H.)
| | - Marcus O. Butler
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, University Health Network, Toronto, ON M5S 1Z5, Canada; (S.G.); (M.J.A.); (D.P.A.); (S.D.S.); (M.O.B.); (A.S.); (D.H.)
| | - Anna Spreafico
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, University Health Network, Toronto, ON M5S 1Z5, Canada; (S.G.); (M.J.A.); (D.P.A.); (S.D.S.); (M.O.B.); (A.S.); (D.H.)
| | - David Hogg
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, University Health Network, Toronto, ON M5S 1Z5, Canada; (S.G.); (M.J.A.); (D.P.A.); (S.D.S.); (M.O.B.); (A.S.); (D.H.)
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Pang H, Luo S, Huang G, Li X, Xie Z, Zhou Z. The Association of CTLA-4 rs231775 and rs3087243 Polymorphisms with Latent Autoimmune Diabetes in Adults: A Meta-Analysis. Biochem Genet 2021; 60:1222-1235. [PMID: 34822071 DOI: 10.1007/s10528-021-10152-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 11/03/2021] [Indexed: 12/13/2022]
Abstract
Polymorphisms rs231775 and rs3087243 of cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) gene have been associated with risk of latent autoimmune diabetes in adults (LADA). However, the results were inconsistent. The purpose of this study was to quantitatively assess the relationship between polymorphisms rs231775 and rs3087243 of CTLA-4 and LADA in a larger pooled population by performing a meta-analysis. Systematic search for eligible studies was conducted in PubMed, Web of Science, and Embase. Case-control studies containing genotype frequencies of polymorphisms rs231775 or rs3087243 were selected, and pooled odds ratios (ORs) with 95% confidence intervals (CIs) were used to assess the associations between polymorphisms of CTLA-4 and LADA in allelic, dominant and recessive genetic model. A total of eleven studies, in which five studies reported rs231775, two studies reported rs3087342, and four studies reported both rs231775 and rs3087243, were identified. Among them, one study wasn't included in the following meta-analysis because the distribution of genotypes in the control group didn't comply with Hardy-Weinberg equilibrium. Significant associations with susceptibility to LADA were detected for rs231775 (785 cases and 3435 controls) and for rs3087243 (820 cases and 4824 controls) in overall population. Further subgroup analyses for ethnicity (Asian, Caucasian, and African) have also indicated the positive association between rs231775 and LADA. As for rs3087243, subgroup analyses detected the association between polymorphism and LADA in Caucasian population under recessive model. Polymorphisms rs231775 and rs3087243 of CTLA-4 gene are potential risk factors for LADA and may serve as novel genetic biomarkers of LADA.
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Affiliation(s)
- Haipeng Pang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Shuoming Luo
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Gan Huang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Xia Li
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Zhiguo Xie
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China.
| | - Zhiguang Zhou
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
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Subclinical Hypothyroidism and Lipid Metabolism: To Treat or Not to Treat? SERBIAN JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2019. [DOI: 10.2478/sjecr-2019-0069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Thyroid hormones have multiple complex effects on lipid synthesis and metabolism. These physiological actions are well documented in overt hypothyroidism where the elevated levels of total cholesterol, low density lipoporotein cholesterol and possibly triglycerides are reverted by levo-thyroxine therapy. Subclinical hypothyroidism, defined as elevated serum thyroid stimulating hormone in the presence of reference range of free thyroxine and free triiodothyronine concentrations, is a relatively frequent clinical conditions. Many clinical and epidemiological studies have evaluated lipid metabolism, markers of subclinical atherosclerosis and other cardiovascular risk factors in subclinical hypothyroidism as well as the need of replacement therapy in these patients. The available results are rather conflicting, with variable and inconclusive results. Moreover, no consensus still exists on the clinical significance and treatment of this mild form of thyroid failure. On the contrary, available evidences suggest that patients with plasma thyroid stimulating hormone levels above 10 mU/L should be treated with levo-thyroxine, since may have an increased risk of cardiovascular disease. However, the epidemiological evidences suggest being rather conservative in older people, since higher thyroid stimulating hormone is associated with lower risk of multiple adverse events in this population. In this review, we summarized the current evidences on the association between subclinical hypothyroidism and lipid metabolism and the effect of levo-thyroxine therapy on lipid parameters.
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Alshareef SA, Omar SM, Hamdan HZ, Adam I. Cytotoxic T-lymphocyte antigen-4 +49A/G polymorphisms in Sudanese adults with type 1 diabetes and latent autoimmune diabetes. BMC Res Notes 2019; 12:769. [PMID: 31771625 PMCID: PMC6880471 DOI: 10.1186/s13104-019-4814-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 11/16/2019] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVES This study was conducted to assess the association of T-lymphocyte-associated protein 4 (CTLA-4 +49A/G) variant with Latent autoimmune diabetes in adults (LADA) in Eastern Sudan. The study included 24 LADA, 240 patients with type 1 diabetes mellitus (T1DM), and 240 healthy controls. Genotyping for CTLA-4 +49A/G was done by polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP). RESULTS Genotypes distribution of CTLA-4 in controls was in accordance with the HWE (P > 0.05). The frequency of mutation (both homozygous and heterozygous) of CTLA-4 +49A/G (AG + GG) was significantly higher in LADA compared with T1DM and the controls [19 (79.1%) vs. 100 (41.7%) vs. 78 (32.5%), P < 0.001]. It was significantly higher when LADA was compared with T1DM [19 (79.1%) vs. 100 (41.7%), P = 0.018, OR = 3.21, 95% CI 1.16-8.89] and when LADA was compared with the controls [19 (79.1%) vs. 78 (32.5%), P = 0.001, OR = 4.49, 95% CI 1.62-12.42]. The rate of heterozygous mutation of the CTLA-4 +49A/G (AG) was significantly higher in LADA compared with T1DM and the controls [16 (66.7%) vs. 85 (35.4%) vs. 70 (29.2%), P < 0.001]. It was significantly higher when LADA was compared with T1DM [16 (66.7%) vs. 85 (35.4%), P = 0.002, OR = 3.64, 95% CI 1.49-8.87] and when LADA was compared with the controls [16 (66.6%) vs. 85 (35.4%), P = 0.001, OR = 4.85, 95% CI 1.98-11.86].
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Affiliation(s)
- Shimos A Alshareef
- Al-Ghad International College for Applied Medical Sciences, Medina, Kingdom of Saudi Arabia.,Central Laboratory, Khartoum, Sudan
| | - Saeed M Omar
- Faculty of Medicine, Gadarif University, Gadarif, Sudan
| | | | - Ishag Adam
- Faculty of Medicine, University of Khartoum, P.O. Box 102, Khartoum, Sudan.
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HLA-DQB1 and HLA-DRB1 Variants Confer Susceptibility to Latent Autoimmune Diabetes in Adults: Relative Predispositional Effects among Allele Groups. Genes (Basel) 2019; 10:genes10090710. [PMID: 31540313 PMCID: PMC6771152 DOI: 10.3390/genes10090710] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/03/2019] [Accepted: 09/04/2019] [Indexed: 12/19/2022] Open
Abstract
Latent autoimmune diabetes in adults (LADA) was recently demonstrated to be the most frequent form of adult-onset autoimmune diabetes mellitus. Case–control studies have investigated the relationship between human leukocyte antigen (HLA)-DQB1 and HLA-DRB1 polymorphisms and LADA risk, but their conclusions are inconsistent. This study aimed to more precisely explore the correlation between these HLA gene variants and LADA development. Eight databases, including PubMed, Embase, and Medline, were systematically searched for relevant studies up to September 15, 2018. We performed this retrospective study using meta-analysis and relative predispositional effect (RPE) methods. The meta-analysis results indicated that DQB1*02 (odds ratio (OR) = 1.685, pc < 0.005) and DQB1*06 (OR = 0.604, pc = 0.010) have opposite effects on susceptibility to LADA, while a significant decrease in LADA risk caused by DQB1*05 (OR = 0.764, pc = 0.100) disappeared upon Bonferroni correction. The RPE method confirmed the roles of DQB1*02 (χ² = 46.475, p < 0.001) and DQB1*06 (χ² = 17.883, p < 0.001) and further suggested protective effects of DQB1*05 (χ² = 16.496, p < 0.001). Additionally, the meta-analysis results showed that DRB1*03 (OR = 2.685, pc < 0.013), DRB1*04 (OR = 1.954, pc < 0.013), and DRB1*09 (OR = 1.346, pc < 0.013) are associated with increased LADA risk, while DRB1*12 (OR = 0.600, pc < 0.013) and DRB1*13 (OR = 0.583, pc < 0.013) carriers have a decreased risk of developing LADA. Furthermore, the RPE method revealed that DRB1*03 (χ² = 98.754, p < 0.001), DRB1*04 (χ² = 94.685, p < 0.001), DRB1*09 (χ² = 40.489, p < 0.001), DRB1*01 (χ² = 12.181, p < 0.001), DRB1*07 (χ² = 10.882, p = 0.001), and DRB1*08 (χ² = 5.000, p = 0.025) play protective roles against LADA. LADA showed a close relationship with genetic polymorphisms of HLA-DQB1 and WHLA-DRB1, which could contribute to a better understanding of disease pathogenesis and the identification of predisposing loci in the diagnosis and treatment of LADA.
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Delitala AP, Capobianco G, Cherchi PL, Dessole S, Delitala G. Thyroid function and thyroid disorders during pregnancy: a review and care pathway. Arch Gynecol Obstet 2018; 299:327-338. [PMID: 30569344 DOI: 10.1007/s00404-018-5018-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 12/12/2018] [Indexed: 12/28/2022]
Abstract
PURPOSE To review the literature on thyroid function and thyroid disorders during pregnancy. METHODS A detailed literature research on MEDLINE, Cochrane library, EMBASE, NLH, ClinicalTrials.gov, and Google Scholar databases was done up to January 2018 with restriction to English language about articles regarding thyroid diseases and pregnancy. RESULTS Thyroid hormone deficiencies are known to be detrimental for the development of the fetus. In particular, the function of the central nervous system might be impaired, causing low intelligence quotient, and mental retardation. Overt and subclinical dysfunctions of the thyroid disease should be treated appropriately in pregnancy, aiming to maintain euthyroidism. Thyroxine (T4) replacement therapy should reduce thyrotropin (TSH) concentration to the recently suggested fixed upper limits of 2.5 mU/l (first and second trimester) and 3.0 mU/l (third trimester). Overt hyperthyroidism during pregnancy is relatively uncommon but needs prompt treatment due to the increased risk of preterm delivery, congenital malformations, and fetal death. The use of antithyroid drug (methimazole, propylthiouracil, carbimazole) is the first choice for treating overt hyperthyroidism, although they are not free of side effects. Subclinical hyperthyroidism tends to be asymptomatic and no pharmacological treatment is usually needed. Gestational transient hyperthyroidism is a self-limited non-autoimmune form of hyperthyroidism with negative antibody against TSH receptors, that is related to hCG-induced thyroid hormone secretion. The vast majority of these patients does not require antithyroid therapy, although administration of low doses of β-blocker may by useful in very symptomatic patients. CONCLUSIONS Normal maternal thyroid function is essential in pregnancy to avoid adverse maternal and fetal outcomes.
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Affiliation(s)
- Alessandro P Delitala
- Azienda Ospedaliero-Universitaria Di Sassari, Clinica Medica, Viale San Pietro 8, 07100, Sassari, Italy.
| | - Giampiero Capobianco
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, 07100, Sassari, Italy
| | - Pier Luigi Cherchi
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, 07100, Sassari, Italy
| | - Salvatore Dessole
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, 07100, Sassari, Italy
| | - Giuseppe Delitala
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, 07100, Sassari, Italy
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Delitala AP, Manzocco M, Sinibaldi FG, Fanciulli G. Thyroid function in elderly people: The role of subclinical thyroid disorders in cognitive function and mood alterations. Int J Clin Pract 2018; 72:e13254. [PMID: 30216651 DOI: 10.1111/ijcp.13254] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 08/01/2018] [Accepted: 08/04/2018] [Indexed: 01/06/2023] Open
Affiliation(s)
- Alessandro P Delitala
- U.O.C. di Medicina Interna 2 (Clinica Medica), Azienda Ospedaliero-Universitaria di Sassari, Sassari, Italy
| | - Marta Manzocco
- Department of Clinical and Experimental Medicine, University of Sassari, Sassari, Italy
| | - Federico G Sinibaldi
- Department of Clinical and Experimental Medicine, University of Sassari, Sassari, Italy
| | - Giuseppe Fanciulli
- Department of Clinical and Experimental Medicine, University of Sassari, Sassari, Italy
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Delitala AP, Sanciu FA, Errigo A, Delitala G, Pes GM. Leptin Levels and Insulin Dependence in Latent Autoimmune Diabetes in Adults. J Interferon Cytokine Res 2018; 37:550-556. [PMID: 29252126 DOI: 10.1089/jir.2017.0059] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Latent autoimmune diabetes in adults (LADA) is an autoimmune type of diabetes accounting for up to 10% of all cases of diabetes initially diagnosed as type 2 diabetes mellitus. It has been demonstrated that LADA patients with a lower body mass index (BMI) undergo a faster depletion of beta cell function and require insulin therapy earlier. In this study, we assayed a panel of adipokines (leptin, adiponectin, omentin, resistin, visfatin) and proinflammatory cytokines (interleukin 2, interleukin 6, tumor necrosis factor-α) in 71 LADA patients and tested the association with a number of clinical and immunological features. Among men, leptin was positively and significantly correlated with BMI and fat mass (r = 0.487 and r = 0.664, respectively), resistin was positively and significantly correlated with total and low-density lipoprotein cholesterol (r = 0.644 and r = 0.746, P < 0.0001) and with interleukin 2 (r = 0.688, P < 0.01). Omentin showed an inverse correlation with systolic blood pressure in women (r = -0.359, P < 0.001) and a positive correlation with interleukin 2 in both genders (r = 0.395, P < 0.01). The Cox regression analysis showed that leptin levels were inversely and significantly related with the risk of early insulin dependence. Higher leptin secretion may exert a direct effect on beta cell function leading to more insulin sensitivity.
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Affiliation(s)
| | - Franca A Sanciu
- 1 Azienda Ospedaliero-Universitaria di Sassari , Sassari, Italy
| | - Alessandra Errigo
- 2 Department of Clinical and Experimental Medicine, University of Sassari , Sassari, Italy
| | - Giuseppe Delitala
- 2 Department of Clinical and Experimental Medicine, University of Sassari , Sassari, Italy
| | - Giovanni M Pes
- 2 Department of Clinical and Experimental Medicine, University of Sassari , Sassari, Italy
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Chen C, Xie Z, Shen Y, Xia SF. The Roles of Thyroid and Thyroid Hormone in Pancreas: Physiology and Pathology. Int J Endocrinol 2018; 2018:2861034. [PMID: 30013597 PMCID: PMC6022313 DOI: 10.1155/2018/2861034] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 04/18/2018] [Accepted: 05/10/2018] [Indexed: 12/14/2022] Open
Abstract
It is widely accepted that thyroid hormones (THs), secreted from the thyroid, play important roles in energy metabolism. It is also known that THs also alter the functioning of other endocrine glands; however, their effects on pancreatic function have not yet been reviewed. One of the main functions of the pancreas is insulin secretion, which is altered in diabetes. Diabetes, therefore, could be related to thyroid dysfunction. Earlier research on this subject focused on TH regulation of pancreas function (such as insulin secretion) or on insulin function through TH-mediated increase of energy metabolism. Afterwards, epidemiological investigations and animal test research found a link between autoimmune diseases, thyroid dysfunction, and pancreas pathology; however, the underlying mechanisms remain unknown. Furthermore, recent studies have shown that THs also play important roles in pancreas development and on islet pathology, both in diabetes and in pancreatic cancer. Therefore, an overview of the effects of thyroid and THs on pancreas physiology and pathology is presented. The topics contained in this review include a summary of the relationship between autoimmune thyroid dysfunction and autoimmune pancreas lesions and the effects of THs on pancreas development and pancreas pathology (diabetes and pancreatic cancer).
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Affiliation(s)
- Chaoran Chen
- Institute of Nursing and Health, College of Nursing and Health, Henan University, Kaifeng, China
| | - Zhenxing Xie
- School of Basic Medicine, Henan University, Jinming Avenue 475004, Henan, Kaifeng, China
| | - Yingbin Shen
- Department of Food Science and Engineering, Jinan University, Guangzhou, China
| | - Shu Fang Xia
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
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Increased seroreactivity to proinsulin and homologous mycobacterial peptides in latent autoimmune diabetes in adults. PLoS One 2017; 12:e0176584. [PMID: 28472070 PMCID: PMC5417489 DOI: 10.1371/journal.pone.0176584] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 04/12/2017] [Indexed: 12/16/2022] Open
Abstract
Latent Autoimmune Diabetes in Adults (LADA) is a slowly progressing form of immune-mediated diabetes that combines phenotypical features of type 2 diabetes (T2D) with the presence of islet cell antigens detected in type 1 diabetes (T1D). Heterogeneous clinical picture have led to the classification of patients based on the levels of antibodies against glutamic acid decarboxylase 65 (GADA) that correlate with clinical phenotypes closer to T1D or T2D when GADA titers are high or low, respectively. To date, LADA etiology remains elusive despite numerous studies investigating on genetic predisposition and environmental risk factors. To our knowledge, this is the first study aimed at evaluation of a putative role played by Mycobacterium avium subsp. paratuberculosis (MAP) as an infective agent in LADA pathogenesis. MAP is known to cause chronic enteritis in ruminants and has been associated with autoimmune disorders in humans. We analyzed seroreactivity of 223 Sardinian LADA subjects and 182 healthy volunteers against MAP-derived peptides and their human homologs of proinsulin and zinc transporter 8 protein. A significantly elevated positivity for MAP/proinsulin was detected among patients, with the highest prevalence in the 32-41-year-old T1D-like LADA subgroup, supporting our hypothesis of a possible MAP contribution in the development of autoimmunity.
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Bibbò S, Dore MP, Pes GM, Delitala G, Delitala AP. Is there a role for gut microbiota in type 1 diabetes pathogenesis? Ann Med 2017; 49:11-22. [PMID: 27499366 DOI: 10.1080/07853890.2016.1222449] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Type 1 diabetes mellitus (T1D) is an autoimmune disease characterized by insufficient insulin production due to the destruction of insulin secreting β-cells in the Langerhans islets. A variety of factors, including chemicals, viruses, commensal bacteria and diet have been proposed to contribute to the risk of developing the disorder. In the last years, gut microbiota has been proposed as a main factor in T1D pathogenesis. Several alterations of gut microbiota composition were described both in animal model and in humans. The decrease of Firmicutes/Bacteroides ratio was the most frequent pattern described, in particular, in human studies. Furthermore, Bacteroides, Clostridium cluster XIVa, Lactobacillus, Bifidobacterium, and Prevotella relative abundances were different in healthy and affected subjects. Dysbiosis would seem to increase intestinal permeability and thus promote the development of a pro-inflammatory niche that stimulates β-cell autoimmunity in predisposed subjects. Preliminary studies on animal models were realized to investigate the role of gut microbiota modulation as therapy or prevention approach in predisposed animals: promising and stimulating results have been reported. Key message Dietary antigens and microbiota-derived products might act as triggers of T1D by causing a pro-inflammatory and metabolic dysfunctional environment.
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Affiliation(s)
- Stefano Bibbò
- a Department of Clinical and Experimental Medicine , University of Sassari , Sassari , Italy
| | - Maria Pina Dore
- a Department of Clinical and Experimental Medicine , University of Sassari , Sassari , Italy
| | - Giovanni Mario Pes
- a Department of Clinical and Experimental Medicine , University of Sassari , Sassari , Italy
| | - Giuseppe Delitala
- a Department of Clinical and Experimental Medicine , University of Sassari , Sassari , Italy
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Delitala AP, Pes GM, Fanciulli G, Maioli M, Secchi G, Sanciu F, Delitala G, Manetti R. Organ-specific antibodies in LADA patients for the prediction of insulin dependence. Endocr Res 2016; 41:207-12. [PMID: 26865056 DOI: 10.3109/07435800.2015.1136934] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
AIM OF THE STUDY The aim of the present study was to define the frequency of organ-specific and non-organ-specific autoantibodies in a cohort of Latent Autoimmune Diabetes in Adults (LADA) patients and to test whether multiple antibodies positivity could be a predictor of early insulin dependence. MATERIALS AND METHODS We enrolled 210 LADA and 210 type 2 diabetes mellitus (T2D) patients. In all subjects anti-islet antigen-2 (IA-2Ab), anti-thyroperoxidase (TPOAb), anti-zinc transporter 8 (ZnT8Ab), anti-nuclear (ANA), anti-parietal cell (APCA), anti-smooth muscle (ASMA), anti-mitochondrial (AMA), anti-liver kidney microsomes (LKM), and anti-reticulin (ARA) circulating antibodies were assessed. RESULTS The frequency of TPOAb, ZnT8Ab, APCA, and IA-2Ab positivity was, respectively, detected in 40.0%, 32.4%, 24.7%, and 9.5% of LADA patients, whereas their frequency was significantly lower in T2D patients (11.4%, 1.9%, 9.5%, and 0.0%, respectively, p < 0.001). The frequency of ANA was the same in both groups whereas the frequency of ASMA, ARA, AMA, and LKM was very low (range 0.0-3.3%). The presence of TPOAb associated with ZnT8Ab, IA-2Ab, or APCA allows one to predict the progression of disease with a high specificity but low sensibility. CONCLUSIONS LADA patients show an increased frequency of organ- and non-organ-specific antibodies. Consequently, a screening is worthwhile in these patients. The simultaneous presence of TPOAb with ZnT8, IA-2Ab, or APCA may help differentiate clinical phenotypes and predict faster insulin dependence in LADA patients.
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Affiliation(s)
- Alessandro P Delitala
- a Internal Medicine Unit, Azienda Ospedaliero-Universitaria di Sassari , Sassari , Italy
| | - Giovanni M Pes
- b Department of Clinical and Experimental Medicine , University of Sassari , Sassari , Italy
| | - Giuseppe Fanciulli
- b Department of Clinical and Experimental Medicine , University of Sassari , Sassari , Italy
| | - Margherita Maioli
- c Department of Biomedical Science , University of Sassari , Sassari , Italy
| | - Giannina Secchi
- b Department of Clinical and Experimental Medicine , University of Sassari , Sassari , Italy
| | - Franca Sanciu
- a Internal Medicine Unit, Azienda Ospedaliero-Universitaria di Sassari , Sassari , Italy
| | - Giuseppe Delitala
- b Department of Clinical and Experimental Medicine , University of Sassari , Sassari , Italy
| | - Roberto Manetti
- b Department of Clinical and Experimental Medicine , University of Sassari , Sassari , Italy
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Pes GM, Delitala AP, Errigo A, Delitala G, Dore MP. Clustering of immunological, metabolic and genetic features in latent autoimmune diabetes in adults: evidence from principal component analysis. Intern Emerg Med 2016; 11:561-7. [PMID: 26612761 DOI: 10.1007/s11739-015-1352-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 11/07/2015] [Indexed: 01/30/2023]
Abstract
Latent autoimmune diabetes in adults (LADA) which accounts for more than 10 % of all cases of diabetes is characterized by onset after age 30, absence of ketoacidosis, insulin independence for at least 6 months, and presence of circulating islet-cell antibodies. Its marked heterogeneity in clinical features and immunological markers suggests the existence of multiple mechanisms underlying its pathogenesis. The principal component (PC) analysis is a statistical approach used for finding patterns in data of high dimension. In this study the PC analysis was applied to a set of variables from a cohort of Sardinian LADA patients to identify a smaller number of latent patterns. A list of 11 variables including clinical (gender, BMI, lipid profile, systolic and diastolic blood pressure and insulin-free time period), immunological (anti-GAD65, anti-IA-2 and anti-TPO antibody titers) and genetic features (predisposing gene variants previously identified as risk factors for autoimmune diabetes) retrieved from clinical records of 238 LADA patients referred to the Internal Medicine Unit of University of Sassari, Italy, were analyzed by PC analysis. The predictive value of each PC on the further development of insulin dependence was evaluated using Kaplan-Meier curves. Overall 4 clusters were identified by PC analysis. In component PC-1, the dominant variables were: BMI, triglycerides, systolic and diastolic blood pressure and duration of insulin-free time period; in PC-2: genetic variables such as Class II HLA, CTLA-4 as well as anti-GAD65, anti-IA-2 and anti-TPO antibody titers, and the insulin-free time period predominated; in PC-3: gender and triglycerides; and in PC-4: total cholesterol. These components explained 18, 15, 12, and 12 %, respectively, of the total variance in the LADA cohort. The predictive power of insulin dependence of the four components was different. PC-2 (characterized mostly by high antibody titers and presence of predisposing genetic markers) showed a faster beta-cells failure and PC-3 (characterized mostly by gender and high triglycerides) and PC-4 (high cholesterol) showed a slower beta-cells failure. PC-1 (including dislipidemia and other metabolic dysfunctions), showed a mild beta-cells failure. In conclusion variable clustering might be consistent with different pathogenic pathways and/or distinct immune mechanisms in LADA and could potentially help physicians improve the clinical management of these patients.
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Affiliation(s)
- Giovanni Mario Pes
- Dipartimento di Medicina Clinica e Sperimentale, University of Sassari, Viale San Pietro 8, 07100, Sassari, Italy
| | - Alessandro Palmerio Delitala
- Dipartimento di Medicina Clinica e Sperimentale, University of Sassari, Viale San Pietro 8, 07100, Sassari, Italy
| | - Alessandra Errigo
- Dipartimento di Medicina Clinica e Sperimentale, University of Sassari, Viale San Pietro 8, 07100, Sassari, Italy
| | - Giuseppe Delitala
- Dipartimento di Medicina Clinica e Sperimentale, University of Sassari, Viale San Pietro 8, 07100, Sassari, Italy
| | - Maria Pina Dore
- Dipartimento di Medicina Clinica e Sperimentale, University of Sassari, Viale San Pietro 8, 07100, Sassari, Italy.
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Delitala AP, Pes GM, Malaty HM, Pisanu G, Delitala G, Dore MP. Implication of Cytotoxic Helicobacter pylori Infection in Autoimmune Diabetes. J Diabetes Res 2016; 2016:7347065. [PMID: 26824048 PMCID: PMC4707366 DOI: 10.1155/2016/7347065] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Accepted: 11/23/2015] [Indexed: 12/24/2022] Open
Abstract
Background. Type 1 diabetes (T1D) and type 2 diabetes (T2D) have been linked to Helicobacter pylori infection, although results are conflicting. No previous study addressed a possible link between H. pylori infection and latent autoimmune diabetes in adults (LADA). In this study, a correlation among H. pylori infection and the risk of autoimmune diabetes in comparison with T2D was investigated. Methods. Sera from 234 LADA patients, 105 patients with late-onset T1D, and 156 patients with T2D were analyzed for anti-H. pylori and the cytotoxin-associated antigen (CagA) IgG antibodies. Results. H. pylori seroprevalence was comparable in LADA (52%), late-onset T1D (45%), and T2D (49%) with no gender differences. The seroprevalence of CagA IgG was significantly higher in autoimmune diabetes (late-onset T1D: 45%, LADA: 40%) compared to T2D (25%; p < 0.028). Conclusions. Although H. pylori seroprevalence was similar in LADA, T1D, and T2D, anti-CagA positivity was significantly increased among patients with autoimmune diabetes, suggesting that more virulent H. pylori strains might be a trigger for immune mechanisms involved in their pathogenesis.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Antibodies, Bacterial/blood
- Antigens, Bacterial/immunology
- Bacterial Proteins/immunology
- Biomarkers/blood
- Cross-Sectional Studies
- Diabetes Mellitus, Type 1/blood
- Diabetes Mellitus, Type 1/diagnosis
- Diabetes Mellitus, Type 1/epidemiology
- Diabetes Mellitus, Type 1/immunology
- Diabetes Mellitus, Type 2/blood
- Diabetes Mellitus, Type 2/diagnosis
- Diabetes Mellitus, Type 2/epidemiology
- Diabetes Mellitus, Type 2/immunology
- Female
- Helicobacter Infections/blood
- Helicobacter Infections/diagnosis
- Helicobacter Infections/immunology
- Helicobacter Infections/microbiology
- Helicobacter pylori/immunology
- Helicobacter pylori/pathogenicity
- Humans
- Immunoglobulin G/blood
- Italy/epidemiology
- Male
- Middle Aged
- Prevalence
- Seroepidemiologic Studies
- Virulence
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Affiliation(s)
| | - Giovanni M. Pes
- Department of Clinical and Experimental Medicine, University of Sassari, Viale San Pietro 8, 07100 Sassari, Italy
| | | | - Gavino Pisanu
- Department of Clinical and Experimental Medicine, University of Sassari, Viale San Pietro 8, 07100 Sassari, Italy
| | - Giuseppe Delitala
- Department of Clinical and Experimental Medicine, University of Sassari, Viale San Pietro 8, 07100 Sassari, Italy
| | - Maria P. Dore
- Department of Clinical and Experimental Medicine, University of Sassari, Viale San Pietro 8, 07100 Sassari, Italy
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Pes GM, Tolu F, Dore MP. Anti-Thyroid Peroxidase Antibodies and Male Gender Are Associated with Diabetes Occurrence in Patients with Beta-Thalassemia Major. J Diabetes Res 2016; 2016:1401829. [PMID: 27123460 PMCID: PMC4830722 DOI: 10.1155/2016/1401829] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 03/02/2016] [Accepted: 03/17/2016] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Intensive transfusion schedule and iron-chelating therapy prolonged and improved quality of life in patients with β-thalassemia (β-T) major. However, this led to an increased risk of developing impaired glucose tolerance or diabetes. In this study we analyzed variables associated with the occurrence of impaired glucose tolerance or diabetes in patients with β-T major. METHODS 388 Sardinian patients were included. Age, gender, duration of chelation therapy, body mass index, and markers of pancreatic and extrapancreatic autoimmunity were analyzed. RESULTS Multiple logistic regression analysis showed that anti-thyroid peroxidase (TPO) antibodies (Ab) (OR = 3.36; p = 0.008) and male gender (OR = 1.98; p = 0.025) were significantly associated with glucose impairment, while the other variables were not. Ferritin levels were significantly higher in TPOAb positive compared to TPOAb negative patients (4870 ± 1665 μg/L versus 2922 ± 2773 μg/L; p < 0.0001). CONCLUSIONS In patients with β-T major a progressive damage of insulin-producing cells due to secondary hemosiderosis appears to be the most reasonable mechanism associated with glucose metabolism disorders. The findings need to be confirmed with additional well designed studies to address the question of whether TPOAb may have a role in the management of these patients.
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Affiliation(s)
- Giovanni M. Pes
- Department of Clinical and Experimental Medicine, University of Sassari, 07100 Sassari, Italy
- *Giovanni M. Pes:
| | - Francesco Tolu
- Endocrinology Unit, Azienda Ospedaliero-Universitaria, 07100 Sassari, Italy
| | - Maria P. Dore
- Department of Clinical and Experimental Medicine, University of Sassari, 07100 Sassari, Italy
- Baylor College of Medicine, Houston, TX 77030, USA
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