1
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Abela AG, Fava S. Prenatal and early life factors and type 1 diabetes. Endocrine 2022; 77:48-56. [PMID: 35484448 PMCID: PMC9049652 DOI: 10.1007/s12020-022-03057-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND The prevalence of type 1 diabetes is increasing worldwide, suggesting that unknown environmental factors are becoming increasingly important in its pathogenesis. AIM The aim of the study was to investigate the possible role of a number of prenatal and perinatal factors in the aetiology of type 1 diabetes. METHODS Mothers of patients diagnosed with type 1 diabetes (cases) and mothers of children born on the same day and of the same sex as type 1 diabetes patients (controls) were interviewed on a number of prenatal and perinatal factors of interest. RESULTS Hand washing prior to eating, frequency of bathing and total stress score were found to be positively associated with the development of type 1 diabetes on univariate analyses. Hand-washing prior to eating and frequency of house cleaning were independently associated with an increased risk of type 1 diabetes, whilst getting dirty was associated with a reduced risk in multivariate analyses. There was no association of type 1 diabetes to removing of outdoor shoes indoors or to the age of first attendance to school or pre-school. There were also no significant associations to parental smoking, parental age, birth order, infant feeding, antibiotic use, mode of delivery or birth weight. CONCLUSION Our data suggest that factors that affect the skin or gut microbiome might be more important than infections or factors affecting the microbiome at other sites.
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Affiliation(s)
| | - Stephen Fava
- University of Malta Medical School & Mater Dei Hospital, Msida, Malta.
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2
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Sgrazzutti L, Sansone F, Attanasi M, Di Pillo S, Chiarelli F. Coaggregation of Asthma and Type 1 Diabetes in Children: A Narrative Review. Int J Mol Sci 2021; 22:ijms22115757. [PMID: 34071190 PMCID: PMC8198343 DOI: 10.3390/ijms22115757] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 05/20/2021] [Accepted: 05/25/2021] [Indexed: 02/06/2023] Open
Abstract
Asthma and type 1 diabetes mellitus (T1DM) are two of the most frequent chronic diseases in children, representing a model of the atopic and autoimmune diseases respectively. These two groups of disorders are mediated by different immunological pathways, T helper (Th)1 for diabetes and Th2 for asthma. For many years, these two groups were thought to be mutually exclusive according to the Th1/Th2 paradigm. In children, the incidence of both diseases is steadily increasing worldwide. In this narrative review, we report the evidence of the potential link between asthma and T1DM in childhood. We discuss which molecular mechanisms could be involved in the link between asthma and T1DM, such as genetic predisposition, cytokine patterns, and environmental influences. Cytokine profile of children with asthma and T1DM shows an activation of both Th1 and Th2 pathways, suggesting a complex genetic-epigenetic interaction. In conclusion, in children, the potential link between asthma and T1DM needs further investigation to improve the diagnostic and therapeutic approach to these patients. The aim of this review is to invite the pediatricians to consider the potential copresence of these two disorders in clinical practice.
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3
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Mameli C, Ghezzi M, Mari A, Cammi G, Macedoni M, Redaelli FC, Calcaterra V, Zuccotti G, D’Auria E. The Diabetic Lung: Insights into Pulmonary Changes in Children and Adolescents with Type 1 Diabetes. Metabolites 2021; 11:metabo11020069. [PMID: 33530418 PMCID: PMC7912250 DOI: 10.3390/metabo11020069] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/21/2021] [Accepted: 01/22/2021] [Indexed: 12/13/2022] Open
Abstract
Historically, the lung was not listed and recognized as a major target organ of diabetic injury. The first evidence of diabetic lung involvement was published fifty years ago, with a study conducted in a population of young adults affected by type 1 diabetes (T1D). In recent years, there has been mounting evidence showing that the lung is a target organ of diabetic injury since the beginning of the disease—at the pediatric age. The deeply branched vascularization of the lungs and the abundance of connective tissue, indeed, make them vulnerable to the effects of hyperglycemia, in a way similar to other organs affected by microvascular complications. In this review, we focus on pulmonary function impairment in children and adolescents affected by T1D. We also cover controversial aspects regarding available studies and future perspectives in this field.
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Affiliation(s)
- Chiara Mameli
- Department of Pediatrics, V. Buzzi Children’s Hospital, 20154 Milan, Italy; (M.G.); (A.M.); (G.C.); (M.M.); (F.C.R.); (V.C.); (G.Z.); (E.D.)
- Department of Biomedical and Clinical Science “L. Sacco”, Università di Milano, 20157 Milan, Italy
- Correspondence: ; Tel.: +39-0263635324
| | - Michele Ghezzi
- Department of Pediatrics, V. Buzzi Children’s Hospital, 20154 Milan, Italy; (M.G.); (A.M.); (G.C.); (M.M.); (F.C.R.); (V.C.); (G.Z.); (E.D.)
- Allergology and Pneumology Unit, V. Buzzi Children’s Hospital, 20154 Milan, Italy
| | - Alessandra Mari
- Department of Pediatrics, V. Buzzi Children’s Hospital, 20154 Milan, Italy; (M.G.); (A.M.); (G.C.); (M.M.); (F.C.R.); (V.C.); (G.Z.); (E.D.)
| | - Giulia Cammi
- Department of Pediatrics, V. Buzzi Children’s Hospital, 20154 Milan, Italy; (M.G.); (A.M.); (G.C.); (M.M.); (F.C.R.); (V.C.); (G.Z.); (E.D.)
| | - Maddalena Macedoni
- Department of Pediatrics, V. Buzzi Children’s Hospital, 20154 Milan, Italy; (M.G.); (A.M.); (G.C.); (M.M.); (F.C.R.); (V.C.); (G.Z.); (E.D.)
| | - Francesca Chiara Redaelli
- Department of Pediatrics, V. Buzzi Children’s Hospital, 20154 Milan, Italy; (M.G.); (A.M.); (G.C.); (M.M.); (F.C.R.); (V.C.); (G.Z.); (E.D.)
| | - Valeria Calcaterra
- Department of Pediatrics, V. Buzzi Children’s Hospital, 20154 Milan, Italy; (M.G.); (A.M.); (G.C.); (M.M.); (F.C.R.); (V.C.); (G.Z.); (E.D.)
- Pediatric and Adolescent Unit, Department of Internal Medicine, University of Pavia, 27100 Pavia, Italy
| | - Gianvincenzo Zuccotti
- Department of Pediatrics, V. Buzzi Children’s Hospital, 20154 Milan, Italy; (M.G.); (A.M.); (G.C.); (M.M.); (F.C.R.); (V.C.); (G.Z.); (E.D.)
- Department of Biomedical and Clinical Science “L. Sacco”, Università di Milano, 20157 Milan, Italy
| | - Enza D’Auria
- Department of Pediatrics, V. Buzzi Children’s Hospital, 20154 Milan, Italy; (M.G.); (A.M.); (G.C.); (M.M.); (F.C.R.); (V.C.); (G.Z.); (E.D.)
- Allergology and Pneumology Unit, V. Buzzi Children’s Hospital, 20154 Milan, Italy
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4
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Abstract
Diabetes mellitus is a chronic, progressive, incompletely understood metabolic disorder whose prevalence has been increasing steadily worldwide. Even though little attention has been paid to lung disorders in the context of diabetes, its prevalence has recently been challenged by newer studies of disease development. In this review, we summarize and discuss the role of diabetes mellitus involved in the progression of pulmonary diseases, with the main focus on pulmonary fibrosis, which represents a chronic and progressive disease with high mortality and limited therapeutic options.
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Affiliation(s)
- Saeed Kolahian
- Department of Pharmacology and Experimental Therapy, Institute of Experimental and Clinical Pharmacology and Toxicology, and Interfaculty Center of Pharmacogenomics and Drug Research (ICePhA), Eberhard Karls University Hospitals and Clinics, Tübingen, Germany.
- Department of Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Eberhard Karls University Hospitals and Clinics, Tübingen, Germany.
- Department of Pharmacogenomics, University of Tübingen, Wilhelmstrasse. 56, D-72074, Tübingen, Germany.
| | - Veronika Leiss
- Department of Pharmacology and Experimental Therapy, Institute of Experimental and Clinical Pharmacology and Toxicology, and Interfaculty Center of Pharmacogenomics and Drug Research (ICePhA), Eberhard Karls University Hospitals and Clinics, Tübingen, Germany
| | - Bernd Nürnberg
- Department of Pharmacology and Experimental Therapy, Institute of Experimental and Clinical Pharmacology and Toxicology, and Interfaculty Center of Pharmacogenomics and Drug Research (ICePhA), Eberhard Karls University Hospitals and Clinics, Tübingen, Germany
- Department of Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Eberhard Karls University Hospitals and Clinics, Tübingen, Germany
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5
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Zhang Y, Feng H, Wei Z. Association Between IL-18 and Carotid Intima-Media Thickness in Patients with Type II Diabetic Nephropathy. Med Sci Monit 2017; 23:470-478. [PMID: 28125566 PMCID: PMC5291086 DOI: 10.12659/msm.899274] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Background We specifically designed this study to determine the relationship between levels of IL-8 and carotid intima-media thickness (cIMT) in patients with type 2 diabetes mellitus (T2DM). Material/Methods A total of 149 diabetic patients at different stages of diabetic nephropathy and 72 matched controls were recruited in this study. A wide range of parameters were measured: IL-18 (by ELISA), urinary albumin excretion rates (UAER), and carotid intima-media thickness (cIMT, by pulse wave velocity [PWV]). All the diabetic patients were treated by alprostadil. Results ELISA indicated that the level of IL-18 in the patient group was significantly higher compared with that in the control group. The level of IL-18 apparently increased in the higher cIMT group in T2DM patients. Serum IL-18 levels were positively correlated with cIMT in patients with T2DM, the level of IL-18 was negatively correlated with cIMT, and IL-18 levels were positively correlated to age. Moreover, IMT was positively correlated with hemoglobin A1C (HbA1C) and IL-18 levels were significantly associated with cIMT (all P<0.05). Conclusions IL-18 levels were positively correlated with atherosclerotic burden in patients with T2DM and it may be considered as a significant therapeutic target.
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Affiliation(s)
- Yuanyuan Zhang
- Department of Endocrinology, Linyi People's Hospital, Linyi, Shandong, China (mainland)
| | - Haomiao Feng
- Department of General Surgery, Linyi People's Hospital, Linyi, Shandong, China (mainland)
| | - Zhiyong Wei
- Department of Pathology, Linyi People's Hospital, Linyi, Shandong, China (mainland)
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6
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The anti-inflammatory and pro-resolution effects of aspirin-triggered RvD1 (AT-RvD1) on peripheral blood mononuclear cells from patients with severe asthma. Int Immunopharmacol 2016; 35:142-148. [PMID: 27044027 DOI: 10.1016/j.intimp.2016.03.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 03/03/2016] [Accepted: 03/11/2016] [Indexed: 12/19/2022]
Abstract
Asthma is an inflammatory disease that is characterized by a predominance of eosinophils and/or neutrophils in the airways. In the resolution of inflammation, lipid mediators such as resolvin D1 (RvD1) and its epimer aspirin-triggered RvD1 (AT-RvD1) are produced and demonstrate anti-inflammatory and pro-resolution effects. In experimental models such as airway allergic inflammation induced by ovalbumin in mice, RvD1 and AT-RvD1 alleviate some of the most important phenotypes of asthma. Here, we demonstrated the effects of AT-RvD1 on peripheral blood mononuclear cells (PBMCs) from healthy individuals and patients with severe asthma stimulated with lipopolysaccharide (LPS) or Dermatophagoides pteronyssinus (DM). AT-RvD1 (100nM) reduced the concentration of TNF-α in PBMCs from healthy individuals and patients with severe asthma stimulated with LPS or DM. In addition, AT-RvD1 lowered the production of IL-10 only in PBMCs from patients with severe asthma stimulated with LPS. These effects were associated in part with decreasing NF-κB activation. Moreover, AT-RvD1 significantly increased phagocytosis of apoptotic neutrophils by monocytes from patients with severe asthma. In conclusion, AT-RvD1 demonstrated both anti-inflammatory and pro-resolution effects in PBMCs from patients with severe asthma and could become in the future an alternative treatment for asthma.
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7
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Opstad TB, Arnesen H, Pettersen AÅ, Seljeflot I. Combined Elevated Levels of the Proinflammatory Cytokines IL-18 and IL-12 Are Associated with Clinical Events in Patients with Coronary Artery Disease: An Observational Study. Metab Syndr Relat Disord 2016; 14:242-8. [PMID: 27058587 DOI: 10.1089/met.2015.0130] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Interleukin (IL)-18 in synergy with IL-12 is critical in the initiation and progression of Th-1-type responses. IL-18 and IL12 elevation has been associated with atherosclerosis, and their interaction is hypothesized to partly be driven by glucose. We aimed to explore if simultaneous elevation of IL-18 and IL-12, as related to glucose levels, would influence the prognosis in coronary artery disease (CAD). METHOD Patients (n = 1001) with angiographically verified stable CAD were investigated (78% men, mean age 62 years, 20% current smokers). IL-18 and IL-12 were measured by conventional ELISA methods. High fasting glucose (FG) was defined as the 75 percentile, that is, >6.2 mmol/L. RESULTS After 2-year follow-up, 100 cardiovascular endpoints (fatal and nonfatal acute myocardial infarction, unstable angina, and stroke) were recorded. Subjects with simultaneous (not separate) levels in upper tertiles of both markers were at higher risk of cardiovascular events, compared to subjects in lowest tertile of both (odds ratio = 1.70, 95% confidence interval 1.11-2.61, adjusted P = 0.016), with no influence of high FG. Hyperglycemia associated with higher IL-18 levels (adjusted P = 0.009) and IL-12 levels was considerably lower in current smokers (adjusted P < 0.001). CONCLUSION Simultaneous elevated circulating levels of IL-18 and IL-12 increased the event rate after 2 years in CAD patients, independent of hyperglycemia.
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Affiliation(s)
- Trine Baur Opstad
- 1 Center for Clinical Heart Research, Department of Cardiology, Oslo University Hospital, Ullevål, Oslo, Norway .,2 Center for Heart Failure Research, Oslo University Hospital , Oslo, Norway .,3 Faculty of Medicine, University of Oslo , Oslo, Norway
| | - Harald Arnesen
- 1 Center for Clinical Heart Research, Department of Cardiology, Oslo University Hospital, Ullevål, Oslo, Norway .,2 Center for Heart Failure Research, Oslo University Hospital , Oslo, Norway .,3 Faculty of Medicine, University of Oslo , Oslo, Norway
| | - Alf Åge Pettersen
- 1 Center for Clinical Heart Research, Department of Cardiology, Oslo University Hospital, Ullevål, Oslo, Norway .,2 Center for Heart Failure Research, Oslo University Hospital , Oslo, Norway
| | - Ingebjørg Seljeflot
- 1 Center for Clinical Heart Research, Department of Cardiology, Oslo University Hospital, Ullevål, Oslo, Norway .,2 Center for Heart Failure Research, Oslo University Hospital , Oslo, Norway .,3 Faculty of Medicine, University of Oslo , Oslo, Norway
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8
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Sánchez-Zamora YI, Juarez-Avelar I, Vazquez-Mendoza A, Hiriart M, Rodriguez-Sosa M. Altered Macrophage and Dendritic Cell Response in Mif-/- Mice Reveals a Role of Mif for Inflammatory-Th1 Response in Type 1 Diabetes. J Diabetes Res 2016; 2016:7053963. [PMID: 27699180 PMCID: PMC5028830 DOI: 10.1155/2016/7053963] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 07/10/2016] [Indexed: 12/13/2022] Open
Abstract
Macrophage migration inhibitory factor (Mif) is highly expressed in type 1 diabetes mellitus (T1DM). However, there is limited information about how Mif influences the activation of macrophages (Mφ) and dendritic cells (DC) in T1DM. To address this issue, we induced T1DM by administering multiple low doses of streptozotocin (STZ) to Mif-/- or wild-type (Wt) BALB/c mice. We found that Mif-/- mice treated with STZ (Mif-/-STZ) developed lower levels of hyperglycemia, inflammatory cytokines, and specific pancreatic islet antigen- (PIAg-) IgG and displayed reduced cellular infiltration into the pancreatic islets compared to Wt mice treated with STZ (WtSTZ). Moreover, Mφ and DC from Mif-/-STZ displayed lower expression of MHC-II, costimulatory molecules CD80, CD86, and CD40, Toll-like receptor- (TLR-) 2, and TLR-4 than WtSTZ. These changes were associated with a reduced capacity of Mφ and DC from Mif-/-STZ to induce proliferation in ovalbumin-specific T cells. All the deficiencies observed in Mif-/-STZ were recovered by exogenous administration of recombinant Mif. These findings suggest that Mif plays a role in the molecular mechanisms of Mφ and DC activation and drives T cell responses involved in the pathology of T1DM. Therefore, Mif is a potential therapeutic target to reduce the pathology of T1DM.
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Affiliation(s)
- Yuriko Itzel Sánchez-Zamora
- Unidad de Biomedicina, Facultad de Estudios Superiores (FES) Iztacala, Universidad Nacional Autónoma de México (UNAM), 54090 Tlalnepantla, MEX, Mexico
| | - Imelda Juarez-Avelar
- Unidad de Biomedicina, Facultad de Estudios Superiores (FES) Iztacala, Universidad Nacional Autónoma de México (UNAM), 54090 Tlalnepantla, MEX, Mexico
| | | | - Marcia Hiriart
- Departamento de Neurodesarrollo y Fisiología, Instituto de Fisiología Celular, UNAM, 04510 Coyoacán, MEX, Mexico
| | - Miriam Rodriguez-Sosa
- Unidad de Biomedicina, Facultad de Estudios Superiores (FES) Iztacala, Universidad Nacional Autónoma de México (UNAM), 54090 Tlalnepantla, MEX, Mexico
- *Miriam Rodriguez-Sosa:
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9
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Klamt S, Vogel M, Kapellen TM, Hiemisch A, Prenzel F, Zachariae S, Ceglarek U, Thiery J, Kiess W. Association between IgE-mediated allergies and diabetes mellitus type 1 in children and adolescents. Pediatr Diabetes 2015; 16:493-503. [PMID: 26189407 DOI: 10.1111/pedi.12298] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 06/10/2015] [Accepted: 06/22/2015] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Type 1 diabetes mellitus (T1DM) is characterized by an immunological reaction that is dominated by type-1 T helper (Th1) cells, whereas immunoglobulin E (IgE)-mediated allergies are associated with Th2 cell. According to the Th1/Th2-hypothesis, the immune system is said to either develop into the direction of Th1 or Th2 cells. This would mean that a child developing T1DM is unlikely to develop an IgE-mediated allergy and vice versa. OBJECTIVE The aim of the study was to investigate the association between the prevalence of T1DM and IgE-mediated allergies. METHODS We designed a prospective case control study with 94 children and adolescents with T1DM and 188 age- and sex-matched control children. The basis of our investigations was a questionnaire concerning the family and children's history as to the presence of IgE-mediated allergies. Moreover, the following blood investigations were done: total serum IgE, specific IgE antibodies to major inhalant allergens, and a multiplex cytokine analysis measuring levels of specific cytokines representing either Th1- or Th2- cytokines. RESULTS Children with T1DM reported the presence of IgE-mediated allergies significantly more often than children of the control group. Children with T1DM had significantly higher tumor necrosis factor alpha (TNFα) levels than healthy controls. Levels of interleukin-2 (IL-2) and IL-6 were higher in the groups of children with the presence of a personal history of allergies, regardless of the presence of T1DM. CONCLUSIONS Our results suggest that T1DM is associated with a higher risk of a self-reported presence of IgE-mediated allergies and that the Th1/Th2-hypothesis may be an oversimplification.
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Affiliation(s)
- Sabine Klamt
- LIFE - Leipzig Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany.,Hospital for Children and Adolescents, University of Leipzig, Leipzig, Germany.,Centre for Paediatric Research (CPL), University of Leipzig, Leipzig, Germany
| | - Mandy Vogel
- LIFE - Leipzig Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany.,Centre for Paediatric Research (CPL), University of Leipzig, Leipzig, Germany
| | - Thomas M Kapellen
- Hospital for Children and Adolescents, University of Leipzig, Leipzig, Germany.,Centre for Paediatric Research (CPL), University of Leipzig, Leipzig, Germany
| | - Andreas Hiemisch
- LIFE - Leipzig Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany.,Hospital for Children and Adolescents, University of Leipzig, Leipzig, Germany.,Centre for Paediatric Research (CPL), University of Leipzig, Leipzig, Germany
| | - Freerk Prenzel
- Hospital for Children and Adolescents, University of Leipzig, Leipzig, Germany.,Centre for Paediatric Research (CPL), University of Leipzig, Leipzig, Germany
| | - Silke Zachariae
- LIFE - Leipzig Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany.,Institute for Medical Informatics, Statistics and Epidemiology (IMISE), University of Leipzig, Leipzig, Germany
| | - Uta Ceglarek
- LIFE - Leipzig Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany.,Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig, Leipzig, Germany
| | - Joachim Thiery
- LIFE - Leipzig Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany.,Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig, Leipzig, Germany
| | - Wieland Kiess
- LIFE - Leipzig Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany.,Hospital for Children and Adolescents, University of Leipzig, Leipzig, Germany.,Centre for Paediatric Research (CPL), University of Leipzig, Leipzig, Germany
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10
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Wang N, Rajasekaran N, Hou T, Macaubas C, Mellins ED. Immunological Basis for Rapid Progression of Diabetes in Older NOD Mouse Recipients Post BM-HSC Transplantation. PLoS One 2015; 10:e0128494. [PMID: 26020954 PMCID: PMC4447290 DOI: 10.1371/journal.pone.0128494] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Accepted: 04/27/2015] [Indexed: 01/07/2023] Open
Abstract
Type I diabetes (T1D), mediated by autoreactive T cell destruction of insulin-producing islet beta cells, has been treated with bone marrow-derived hematopoietic stem cell (BM-HSC) transplantation. Older non-obese diabetic (NOD) mice recipients (3m, at disease-onset stage) receiving syngeneic BM-HSC progressed more rapidly to end-stage diabetes post-transplantation than younger recipients (4-6w, at disease-initiation stage). FACS analyses showed a higher percentage and absolute number of regulatory T cells (Treg) and lower proportion of proliferating T conventional cells (Tcon) in pancreatic lymph nodes from the resistant mice among the younger recipients compared to the rapid progressors among the older recipients. Treg distribution in spleen, mesenteric lymph nodes (MLN), blood and thymus between the two groups was similar. However, the percentage of thymic Tcon and the proliferation of Tcon in MLN and blood were lower in the young resistants. These results suggest recipient age and associated disease stage as a variable to consider in BM-HSC transplantation for treating T1D.
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MESH Headings
- Aging/immunology
- Aging/pathology
- Animals
- Antigens, CD/genetics
- Antigens, CD/immunology
- Biomarkers/metabolism
- Blood Glucose/immunology
- Blood Glucose/metabolism
- Diabetes Mellitus, Type 1/immunology
- Diabetes Mellitus, Type 1/mortality
- Diabetes Mellitus, Type 1/pathology
- Diabetes Mellitus, Type 1/therapy
- Disease Models, Animal
- Female
- Forkhead Transcription Factors/genetics
- Forkhead Transcription Factors/immunology
- Gene Expression
- Hematopoietic Stem Cell Transplantation
- Hematopoietic Stem Cells/cytology
- Hematopoietic Stem Cells/immunology
- Immunophenotyping
- Lymphocyte Count
- Mice
- Mice, Inbred NOD
- Survival Analysis
- T-Lymphocyte Subsets/immunology
- T-Lymphocyte Subsets/pathology
- T-Lymphocytes, Regulatory/immunology
- T-Lymphocytes, Regulatory/pathology
- Whole-Body Irradiation
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Affiliation(s)
- Nan Wang
- Program in Immunology, Division of Human Gene Therapy, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
| | - Narendiran Rajasekaran
- Program in Immunology, Division of Human Gene Therapy, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
| | - Tieying Hou
- Program in Immunology, Division of Human Gene Therapy, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
| | - Claudia Macaubas
- Program in Immunology, Division of Human Gene Therapy, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
| | - Elizabeth D. Mellins
- Program in Immunology, Division of Human Gene Therapy, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
- * E-mail:
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11
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Abstract
PURPOSE OF REVIEW Asthma is often associated with different comorbidities, mainly gastro-oesophageal reflux disease and allergic rhinitis, but also obesity, depression, diabetes mellitus and cardiovascular disease, which may affect its clinical intensity and severity. The prevalence of these comorbidities varies tremendously between studies. Nevertheless, it imposes a significant reflection on the need to explore the phenomenon in depth. RECENT FINDINGS Both clinical and basic studies have established that inflammation plays a vital role in the initiation and progression of several comorbidities. However, the role of systemic inflammation in asthma is still unclear. Understanding mechanism(s) that link(s) asthma and its comorbid diseases is essential to design an effective therapeutic approach. SUMMARY In the future, researchers must identify the weight of any comorbidity in patients with asthma, find the true mechanism(s) that link(s) it to asthma and act on these mechanisms that probably create a vicious circle. Conversely, we do not think it reasonable that the generalization of treatment with a holistic approach might affect the link(s) between asthma and its comorbidities.
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12
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Tavares NA, Santos MM, Moura R, Araújo J, Guimarães R, Crovella S, Brandão L. Interleukin 18 (IL18) gene promoter polymorphisms are associated with type 1 diabetes mellitus in Brazilian patients. Cytokine 2013; 62:286-9. [DOI: 10.1016/j.cyto.2013.03.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Revised: 03/08/2013] [Accepted: 03/10/2013] [Indexed: 12/16/2022]
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13
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Wu SQ, Liang W, Wang GL, Li LY, Wang DL, Chen C. Polymorphisms of the IL-18 promoter and bronchial asthma. Mol Med Rep 2012; 6:1385-8. [PMID: 23023653 DOI: 10.3892/mmr.2012.1098] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Accepted: 09/18/2012] [Indexed: 11/06/2022] Open
Abstract
To study the association of polymorphisms of the IL-18 promoter (-607C/A and -137G/C) with bronchial asthma, 120 subjects with bronchial asthma were selected as the experimental group (49 cases with bronchial asthma and allergic rhinitis as experimental group 1 and 71 cases with bronchial asthma without allergic rhinitis as experimental group 2) and 120 healthy individuals were selected as the control group. A polymerase chain reaction sequence-specific primer (PCR-SSP) was used to identify the genotypic polymorphisms between the experimental and control groups. The results revealed that the frequencies of the CC, CA and AA genotypes at -607C/A in experimental group 1 were 18.37, 40.82 and 40.82%, respectively; these frequencies were 32.39, 54.92 and 12.68%, respectively, in experimental group 2. There was a statistically significant difference in the genotype distribution between experimental groups 1 and 2 (χ²=12.81; P<0.05). The allele frequencies of genotypes C and A were 38.78 and 61.22%, respectively, in experimental group 1 and 59.86 and 40.14%, respectively, in experimental group 2. The allele frequencies at -607C/A were significantly different between experimental groups 1 and 2 (χ²=10.32; P<0.05). Frequencies of genotypes GG, GC and CC at -137C/A in experimental group 1 were 48.98, 46.94 and 4.08%, respectively, and 80.28, 14.08 and 4.08% in experimental group 2 with significant difference (χ²=15.73, P<0.05). Allele frequencies of G and C in experimental group 1 were 72.45 and 27.55%, and 87.32 and 12.68% in experimental group 2 with statistically significant difference (χ²=8.42, P<0.05). In conclusion, polymorphisms of the IL-18 gene promoter at -607C/A and -137G/C were associated with allergic rhinitis in bronchial asthma, indicating that polymorphisms of the IL-18 gene promoter at -607C/A and -137G/C differentially affect the pathogenesis of asthma and allergic rhinitis.
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Affiliation(s)
- Song-Quan Wu
- Medical Department of Lishui University, Lishui, Zhejiang 323000, P.R. China.
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Abstract
PURPOSE OF REVIEW Regulatory T cells (Treg) maintain immune homeostasis and prevent autoimmune disease. This review summarizes the recent advances in Treg knowledge relevant to type 1 diabetes, focusing on Treg signature, antigen specificity and development and function in the face of inflammation. RECENT FINDINGS Thymus-derived natural regulatory T cells (nTreg) programmed by the transcription factor forkhead box P3 (FOXP3) and peripheral-induced regulatory T cells (iTreg) have largely nonoverlapping T-cell receptor repertoires to self-antigens and jointly contribute to immune homeostasis. Initial reports that CD4CD25 (FOXP3) Treg were impaired in frequency or function in type 1 diabetes have not been confirmed. The Treg-specific demethylated region in the FOXP3 locus in nTreg is, in contrast, methylated in iTreg and conventional T cells (Tconv) and is the only feature that reliably distinguishes activated human nTreg and Tconv. Inflammatory cytokines regulate extrathymic differentiation of nTreg but can also reprogram nTreg into Th17 or Th1 effectors and prevent the differentiation of iTreg. SUMMARY The methylation status of the FOXP3 locus provides a means to re-examine Treg in autoimmune disease. nTreg and iTreg recognize different self-antigens. Shaping of Treg by the cytokine milieu has implications for the application of Treg cell-based immune therapies.
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Affiliation(s)
- Yuxia Zhang
- The Walter and Eliza Hall Institute of Medical Research, The University of Melbourne, Parkville, Victoria, Australia
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