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Biedrzycki G, Wolszczak-Biedrzycka B, Dorf J, Michalak D, Żendzian-Piotrowska M, Zalewska A, Maciejczyk M. The antiglycation potential of H1 receptor antagonists - in vitro studies in bovine serum albumin model and in silico molecular docking analyses. Biomed Pharmacother 2024; 175:116632. [PMID: 38663107 DOI: 10.1016/j.biopha.2024.116632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Accepted: 04/17/2024] [Indexed: 06/03/2024] Open
Abstract
The H1 receptor belongs to the family of rhodopsin-like G-protein-coupled receptors activated by the biogenic amine histamine. H1 receptor antagonists are widely used in the treatment of allergies. However, these drugs could have a much broader spectrum of activity, including hypoglycemic effects, which can broaden the spectrum of their use. The aim of the study was to evaluate the antiglycation potential of twelve H1 receptor antagonists (diphenhydramine, antazoline, promethazine, ketotifen, clemastine, pheniramine, cetirizine, levocetirizine, bilastine, fexofenadine, desloratadine, and loratadine). Bovine serum albumin (BSA) was glycated with sugars (glucose, fructose, galactose, and ribose) and aldehydes (glyoxal and methylglyoxal) in the presence of H1 blockers. The tested substances did not induce a significant decrease in the content of albumin glycation end-products, and the inhibition rate of glycoxidation was not influenced by the chemical structure or generation of H1 blockers. None of the tested H1 receptor antagonists exhibited strong antiglycation activity. Antiglycemic potential of H1 blockers could be attributed to their antioxidant and anti-inflammatory activity, as well as their effects on carbohydrate metabolism/metabolic balance at the systemic level.
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Affiliation(s)
| | - Blanka Wolszczak-Biedrzycka
- Department of Psychology and Sociology of Health and Public Health, University of Warmia and Mazury in Olsztyn, Poland
| | - Justyna Dorf
- Department of Clinical Laboratory Diagnostics, Medical University of Bialystok, Poland
| | - Daniel Michalak
- "Biochemistry of Civilization Diseases" Student Scientific Club at the Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, Poland
| | | | - Anna Zalewska
- Experimental Dentistry Laboratory, Medical University of Bialystok, ul. M. Sklodowskiej-Curie 24a, Bialystok 15-274, Poland
| | - Mateusz Maciejczyk
- Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, Poland.
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2
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La Noce M, Nicoletti GF, Papaccio G, Del Vecchio V, Papaccio F. Insulitis in Human Type 1 Diabetic Pancreas: From Stem Cell Grafting to Islet Organoids for a Successful Cell-Based Therapy. Cells 2022; 11:cells11233941. [PMID: 36497199 PMCID: PMC9740394 DOI: 10.3390/cells11233941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/28/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022] Open
Abstract
Type 1 diabetes (T1D) is an autoimmune disease with immune cells' islet infiltration (called "insulitis"), which leads to beta cell loss. Despite being the critical element of T1D occurrence and pathogenesis, insulitis is often present in a limited percentage of islets, also at diagnosis. Therefore, it is needed to define reproducible methods to detect insulitis and beta-cell decline, to allow accurate and early diagnosis and to monitor therapy. However, this goal is still far due to the morphological aspect of islet microvasculature, which is rather dense and rich, and is considerably rearranged during insulitis. More studies on microvasculature are required to understand if contrast-enhanced ultrasound sonography measurements of pancreatic blood-flow dynamics may provide a clinically deployable predictive marker to predict disease progression and therapeutic reversal in pre-symptomatic T1D patients. Therefore, it is needed to clarify the relation between insulitis and the dynamics of β cell loss and with coexisting mechanisms of dysfunction, according to clinical stage, as well as the micro vessels' dynamics and microvasculature reorganization. Moreover, the ideal cell-based therapy of T1D should start from an early diagnosis allowing a sufficient isolation of specific Procr+ progenitors, followed by the generation and expansion of islet organoids, which could be transplanted coupled to an immune-regulatory therapy which will permit the maintenance of pancreatic islets and an effective and long-lasting insulitis reversal.
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Affiliation(s)
- Marcella La Noce
- Department of Experimental Medicine, University of Campania “L. Vanvitelli”, Via L. Armanni 5, 80138 Naples, Italy
| | - Giovanni Francesco Nicoletti
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, University of Campania “L. Vanvitelli”, Via L. de Crecchio 6, 80138 Naples, Italy
| | - Gianpaolo Papaccio
- Department of Experimental Medicine, University of Campania “L. Vanvitelli”, Via L. Armanni 5, 80138 Naples, Italy
- Correspondence: (G.P.); (F.P.); Tel.: +39-081-566-6014/4040 (G.P.); +39-089-96-5275 (F.P.)
| | - Vitale Del Vecchio
- Department of Experimental Medicine, University of Campania “L. Vanvitelli”, Via L. Armanni 5, 80138 Naples, Italy
| | - Federica Papaccio
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Via Salvador Allende, 84081 Baronissi, Italy
- Correspondence: (G.P.); (F.P.); Tel.: +39-081-566-6014/4040 (G.P.); +39-089-96-5275 (F.P.)
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3
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Abstract
Type 1 diabetes (T1D) results from the immune-mediated destruction of insulin-producing β cells located within the pancreatic islets of Langerhans. The autoimmune process leads to a deficiency in insulin production and resultant hyperglycemia requiring lifelong treatment with insulin administration. T1D continues to dramatically increase in incidence, especially in young children. Substantial knowledge surrounding human disease pathogenesis exists, such that T1D is now predictable with the measurement of antibodies in the peripheral blood directed against insulin and other β cell proteins. With the ability to predict, it naturally follows that T1D should be preventable. As such, over the last two decades, numerous well-controlled clinical trials have been completed attempting to prevent diabetes onset or maintain residual β cell function after clinical onset, all providing relatively disappointing results. Here, we review the T1D prevention efforts, the current landscape of clinical therapies, and end with a discussion regarding the future outlook for preventing T1D.
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Affiliation(s)
- Kimber M Simmons
- Barbara Davis Center for Childhood Diabetes, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Peter A Gottlieb
- Barbara Davis Center for Childhood Diabetes, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Aaron W Michels
- Barbara Davis Center for Childhood Diabetes, University of Colorado School of Medicine, Aurora, CO, 80045, USA.
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4
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Perakakis N, Mantzoros CS. Immune therapy in type 1 diabetes mellitus - Attempts to untie the Gordian knot? Metabolism 2016; 65:1278-85. [PMID: 27506735 DOI: 10.1016/j.metabol.2016.05.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 05/25/2016] [Indexed: 12/29/2022]
Affiliation(s)
- Nikolaos Perakakis
- Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215.
| | - Christos S Mantzoros
- Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215; USA Section of Endocrinology, Boston VA Healthcare System, Harvard Medical School, Boston, MA 02130, USA
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5
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Grönholm J, Lenardo MJ. Novel diagnostic and therapeutic approaches for autoimmune diabetes--a prime time to treat insulitis as a disease. Clin Immunol 2014; 156:109-18. [PMID: 25486604 DOI: 10.1016/j.clim.2014.11.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Accepted: 11/22/2014] [Indexed: 02/09/2023]
Abstract
Type 1 diabetes is a progressive autoimmune disease with no curative treatment, making prevention critical. At the time of diagnosis, a majority of the insulin secreting β-cells have already been destroyed. Insulitis, lymphocytic infiltration to the pancreatic islets, is believed to begin months to years before the clinical symptoms of insulin deficiency appear. Insulitis should be treated as its own disease, for it is a known precursor to autoimmune diabetes. Because it is difficult to detect insulitic cellular infiltrates noninvasively, considerable interest has been focused on the levels of islet autoantibodies in blood as measurable diagnostic markers for islet autoimmunity. The traditional islet autoantibody detection assays have many limitations. New electrochemiluminescence-based autoantibody detection assays have the potential to overcome these challenges and they offer promising, cost-effective screening tools in identifying high-risk individuals for trials of preventive interventions. Here, we outline diagnostic and therapeutic strategies to overcome pancreatic β-cell destroying insulitis.
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Affiliation(s)
- Juha Grönholm
- Molecular Development of the Immune System Section, Laboratory of Immunology, NIAID Clinical Genomics Program, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.
| | - Michael J Lenardo
- Molecular Development of the Immune System Section, Laboratory of Immunology, NIAID Clinical Genomics Program, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.
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6
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Lessons from type 1 diabetes for understanding natural history and prevention of autoimmune disease. Rheum Dis Clin North Am 2014; 40:797-811. [PMID: 25437293 DOI: 10.1016/j.rdc.2014.07.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Type 1 diabetes (T1D) is a chronic autoimmune disorder resulting from immune-mediated destruction of insulin-producing beta cells within the pancreatic islets. Prediction of T1D is now possible, as having 2 or more islet autoantibodies confers a 100% risk of diabetes development. With the ability to predict disease development, clinical trials to prevent diabetes onset have been completed and are currently under way. This review focuses on the natural history, prediction, and prevention trials in T1D. We review the lessons learned from these attempts at preventing a chronic autoimmune disease and apply the paradigm from T1D prevention to other autoimmune disorders.
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von Herrath M, Peakman M, Roep B. Progress in immune-based therapies for type 1 diabetes. Clin Exp Immunol 2013; 172:186-202. [PMID: 23574316 DOI: 10.1111/cei.12085] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/30/2013] [Indexed: 01/10/2023] Open
Abstract
Immune-based therapies that prevent type 1 diabetes or preserve metabolic function remaining at diagnosis have become a major objective for funding agencies and international trial consortia, and receive backing from notable patient advocate groups. The development of immune-based therapeutic strategies in this arena requires a careful balancing of the risks of the therapy against the potential benefits, because many individuals are diagnosed or identified as being at increased risk of disease in early childhood, a period when manipulation of the developing immune system should be undertaken with caution. In addition, a therapy exists (daily insulin injection) that is life-saving in the acute stages of disease and can be used effectively over a lifetime as maintenance. Conversely, the disease is increasing in incidence; is peaking in ever-younger age groups; carries significant risk of increased morbidity and early mortality; and remains difficult to manage effectively in many settings. With these issues in mind, in this article we review progress towards immune-based strategies for this chronic autoimmune disease.
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Affiliation(s)
- M von Herrath
- Center for Type 1 Diabetes Research, La Jolla Institute for Allergy and Immunology, La Jolla, CA, USA
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8
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Abstract
Type 1 diabetes mellitus (T1DM) is an autoimmune disorder directed against the β cells of the pancreatic islets. The genetic risk of the disease is linked to HLA-DQ risk alleles and unknown environmental triggers. In most countries, only 10-15% of children or young adults newly diagnosed with T1DM have a first-degree relative with the disease. Autoantibodies against insulin, GAD65, IA-2 or the ZnT8 transporter mark islet autoimmunity. These islet autoantibodies may already have developed in children of 1-3 years of age. Immune therapy in T1DM is approached at three different stages. Primary prevention is treatment of individuals at increased genetic risk. For example, one trial is testing if hydrolyzed casein milk formula reduces T1DM incidence in genetically predisposed infants. Secondary prevention is targeted at individuals with persistent islet autoantibodies. Ongoing trials involve nonautoantigen-specific therapies, such as Bacillus Calmette-Guérin vaccine or anti-CD3 monoclonal antibodies, or autoantigen-specific therapies, including oral and nasal insulin or alum-formulated recombinant human GAD65. Trial interventions at onset of T1DM have also included nonautoantigen-specific approaches, and autoantigen-specific therapies, such as proinsulin peptides. Although long-term preservation of β-cell function has been difficult to achieve in many studies, considerable progress is being made through controlled clinical trials and animal investigations towards uncovering mechanisms of β-cell destruction. Novel therapies that prevent islet autoimmunity or halt progressive β-cell destruction are needed.
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Affiliation(s)
- Ake Lernmark
- Lund University, Department of Clinical Sciences, Skåne University Hospital SUS, Malmö, Sweden. ake.lernmark@ med.lu.se
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9
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Chiang JL, Haller MJ, Schatz DA. Update on global intervention studies in type 1 diabetes. Endocrinol Metab Clin North Am 2012; 41:695-712. [PMID: 23099265 DOI: 10.1016/j.ecl.2012.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Remarkable progress has been made in strategies to arrest pancreatic β-cell destruction in type 1 diabetes. Although knowledge of the disease has increased, a safe therapeutic intervention to reverse or prevent it remains elusive. The interaction of genes, immune system, and environment result in a complex disease process that has delayed hopes for a cure. Several well-designed prevention and intervention studies have aspired to test potentially efficacious and safe therapies. This article updates the principles used to design prevention and intervention trials, reviews clinical trials, addresses controversial issues, and provides a framework for future efforts to interdict this condition.
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Affiliation(s)
- Jane L Chiang
- Division of Endocrinology, Department of Pediatrics, Stanford University, Stanford, CA 94305, USA.
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10
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Burkart V, Kröncke KD, Kolb-Bachofen V, Kolb H. Nitric Oxide as an Inflammatory Mediator in Insulin-Dependent Diabetes Mellitus. ACTA ACUST UNITED AC 2012. [DOI: 10.1007/bf03258524] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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12
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Van Belle TL, Coppieters KT, Von Herrath MG. Type 1 Diabetes: Etiology, Immunology, and Therapeutic Strategies. Physiol Rev 2011; 91:79-118. [DOI: 10.1152/physrev.00003.2010] [Citation(s) in RCA: 673] [Impact Index Per Article: 51.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Type 1 diabetes (T1D) is a chronic autoimmune disease in which destruction or damaging of the beta-cells in the islets of Langerhans results in insulin deficiency and hyperglycemia. We only know for sure that autoimmunity is the predominant effector mechanism of T1D, but may not be its primary cause. T1D precipitates in genetically susceptible individuals, very likely as a result of an environmental trigger. Current genetic data point towards the following genes as susceptibility genes: HLA, insulin, PTPN22, IL2Ra, and CTLA4. Epidemiological and other studies suggest a triggering role for enteroviruses, while other microorganisms might provide protection. Efficacious prevention of T1D will require detection of the earliest events in the process. So far, autoantibodies are most widely used as serum biomarker, but T-cell readouts and metabolome studies might strengthen and bring forward diagnosis. Current preventive clinical trials mostly focus on environmental triggers. Therapeutic trials test the efficacy of antigen-specific and antigen-nonspecific immune interventions, but also include restoration of the affected beta-cell mass by islet transplantation, neogenesis and regeneration, and combinations thereof. In this comprehensive review, we explain the genetic, environmental, and immunological data underlying the prevention and intervention strategies to constrain T1D.
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Affiliation(s)
- Tom L. Van Belle
- Center for Type 1 Diabetes Research, La Jolla Institute for Allergy and Immunology, La Jolla, California
| | - Ken T. Coppieters
- Center for Type 1 Diabetes Research, La Jolla Institute for Allergy and Immunology, La Jolla, California
| | - Matthias G. Von Herrath
- Center for Type 1 Diabetes Research, La Jolla Institute for Allergy and Immunology, La Jolla, California
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13
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Haller MJ, Atkinson MA, Schatz DA. Efforts to prevent and halt autoimmune beta cell destruction. Endocrinol Metab Clin North Am 2010; 39:527-39. [PMID: 20723818 PMCID: PMC2925042 DOI: 10.1016/j.ecl.2010.05.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Despite improvements in understanding of the natural history of type 1 diabetes (T1D), an intervention capable of consistently and safely preventing or reversing the disease has not been developed. The inability to cure this disorder is largely because of the complex pathophysiology of T1D, continued struggles to identify its precise etiologic triggers, and voids in understanding of the immunologic mechanisms that specifically target pancreatic beta cells. Rapidly improving technologies for managing T1D require critical discussions about equipoise, especially when considering interventions deemed high risk in terms of their safety. This article reviews the conceptual basis for prevention versus intervention trials in settings of T1D, past experiences of clinical trials studying these purposes, and controversial issues regarding disease interdiction, and seeks to provide a roadmap for future efforts to cure this disorder.
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Affiliation(s)
- Michael J Haller
- Division of Endocrinology, Department of Pediatrics, University of Florida, PO Box 100296, Gainesville, FL 32610, USA.
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14
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Haller MJ, Atkinson MA, Schatz DA. The road not taken: a path to curing type 1 diabetes? Eur J Immunol 2009; 39:2054-8. [PMID: 19672902 DOI: 10.1002/eji.200939517] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The past quarter century has seen a rapid increase in our knowledge about the natural history of autoimmune type 1 diabetes. However, we stand unable to achieve our ultimate goal of preventing or reversing this disease. This viewpoint discusses controversies in current management of type 1 diabetes, the challenges in translating promising studies from mouse models of the disease to humans, hurdles faced in designing optimal prevention and intervention studies, and potential strategies to overcome these obstacles.
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Affiliation(s)
- Michael J Haller
- Department of Pediatrics, University of Florida, Gainesville, FL 32610, USA.
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15
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Sherr J, Sosenko J, Skyler JS, Herold KC. Prevention of type 1 diabetes: the time has come. ACTA ACUST UNITED AC 2008; 4:334-43. [PMID: 18446141 DOI: 10.1038/ncpendmet0832] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2008] [Accepted: 03/03/2008] [Indexed: 01/12/2023]
Abstract
Improved understanding of the pathogenesis of type 1 diabetes mellitus has completely changed our view of this disease in the past 25 years-from an acute, fulminant disease, to a chronic, autoimmune process. Information on genetic and serologic markers has increased our ability to identify individuals at risk. Prospectively gathered data indicate that, with a combination of immunologic and metabolic studies, children with a 6-year risk of disease higher than 90% can be identified due to an ongoing immune process. They differ from children with overt disease only in the time it will take for glucose levels to rise above a diagnostic threshold. Therapies to change the progression of beta-cell loss have been tested in patients with newly diagnosed type 1 diabetes. With improved predictive capabilities and agents that can have longer-lasting effects than those tested more than 10 years ago, new prevention studies are underway. These studies are large and costly but the risks posed by such interventions compare favorably with those of developing hyperglycemia and of future complications portended by the diagnosis of diabetes. In this Review we discuss risk-stratification techniques and how they are applied, other diagnostic criteria, and outcomes from diabetes-prevention trials.
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Affiliation(s)
- Jennifer Sherr
- Department of Pediatrics, Yale University School of Medicine, New Haven, CT, USA
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16
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Haller MJ, Gottlieb PA, Schatz DA. Type 1 diabetes intervention trials 2007: where are we and where are we going? Curr Opin Endocrinol Diabetes Obes 2007; 14:283-7. [PMID: 17940453 DOI: 10.1097/med.0b013e32825a673b] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW Type 1 diabetes (T1D) is characterized by autoimmune-mediated destruction of pancreatic beta cells culminating in absolute insulin deficiency. Despite enhanced knowledge of the natural history of type 1 diabetes we have yet to develop an intervention to consistently and safely prevent or reverse type 1 diabetes. This review explores the lessons learned from recent type 1 diabetes interventional studies, sets out controversial issues and seeks to provide a roadmap for future interventions. RECENT FINDINGS The type 1 diabetes intervention studies of the 1980s demonstrated potential for preserving c-peptide, but were abandoned due to unacceptable side-effect profiles of the agents being used. Pilot studies of new immunosuppressive and immunomodulatory agents with improved side-effect profiles have recently demonstrated promise in preserving c-peptide in new-onset type 1 diabetes patients. Several of these agents, including insulin, anti-CD3, mycophenolate mofetil, daclizumab and anti-CD20, are currently being tested in multicenter intervention trials. SUMMARY The inability to cure type 1 diabetes underscores the complex pathophysiology of the disease, and our poor knowledge of the precise etiological triggers and immunological mechanisms which culminate in the disease. While ongoing efforts to test individual agents with potential to ameliorate diabetes are needed, combination therapies employing multiple safe agents are likely to be the future of type 1 diabetes intervention studies.
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Affiliation(s)
- Michael J Haller
- Department of Pediatrics, University of Florida, Gainesville, Florida 32610, USA.
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Staeva-Vieira T, Peakman M, von Herrath M. Translational mini-review series on type 1 diabetes: Immune-based therapeutic approaches for type 1 diabetes. Clin Exp Immunol 2007; 148:17-31. [PMID: 17349010 PMCID: PMC1868847 DOI: 10.1111/j.1365-2249.2007.03328.x] [Citation(s) in RCA: 118] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Type 1 diabetes (T1D) is often considered the prototype organ-specific autoimmune disease in clinical immunology circles. The key disease features - precise destruction of a single endocrine cell type occurring on a distinct genetic and autoimmune background - have been unravelled in recent years to such an extent that there is a growing expectation that the disease should be curable. T1D is something of an orphan disease, currently managed by endocrinologists yet dependent upon the wit of immunologists, both basic and clinical, to find the best approaches to prevention and cure. Type 1 diabetes thus represents one of the most active arenas for translational research, as novel immune-based interventions find their way to the clinic. The first serious attempt at immune-based treatment for T1D was in 1984, the first at prevention in 1993; current and planned trials will take us into the next decade before reporting their results. This paper represents the first attempt at a comprehensive review of this quarter century of endeavour, documenting all the strategies that have emerged into clinical studies. Importantly, the intense clinical activity has established robust infrastructures for future T1D trials and frameworks for their design. The evident success of the monoclonal anti-CD3 antibody trials in established T1D demonstrate that modulation of islet autoimmunity in humans after the onset of overt disease can be achieved, and give some reason to be cautiously optimistic for the ability of these and other agents, alone and in combination, to provide an effective immunotherapy for the disease.
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Affiliation(s)
- T Staeva-Vieira
- Research Department, Juvenile Diabetes Research Foundation International, New York, NY 10005-4001, USA.
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Chase HP, Cooper S, Osberg I, Stene LC, Barriga K, Norris J, Eisenbarth GS, Rewers M. Elevated C-reactive protein levels in the development of type 1 diabetes. Diabetes 2004; 53:2569-73. [PMID: 15448085 DOI: 10.2337/diabetes.53.10.2569] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Elevated C-reactive protein (CRP) levels have previously been described before the onset of type 2 diabetes and gestational diabetes. We hypothesized that inflammation, as reflected by elevated CRP levels, can help predict development of islet autoimmunity or type 1 diabetes. Children at risk for type 1 diabetes and followed in the Diabetes Autoimmunity Study of the Young (DAISY) had blood samples drawn and frozen serum saved at various intervals after birth. CRP was measured using a high-sensitivity sandwich enzyme immunoassay. Islet autoantibodies (IAs) were measured using biochemical immunoassays. Elevations in CRP concentrations were significantly more frequent (P < 0.01) in children who later developed type 1 diabetes (8 of 16 children) than in children negative for IAs at their last testing (3 of 26). Children with one or more positive IA were more likely to have elevated CRP concentrations (15 of 36) than IA-negative children (3 of 26; P < 0.01). The finding of elevated CRP levels in infants and young children before the onset of type 1 diabetes adds to the evidence that the disease is an immunoinflammatory disorder. The elevated CRP levels may provide an additional marker for risk of progression to type 1 diabetes.
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Affiliation(s)
- H Peter Chase
- Department of Pediatrics, The Barbara Davis Center for Childhood Diabetes, Denver, Colorado, USA.
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19
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Hanifi-Moghaddam P, Schloot NC, Kappler S, Seissler J, Kolb H. An association of autoantibody status and serum cytokine levels in type 1 diabetes. Diabetes 2003; 52:1137-42. [PMID: 12716743 DOI: 10.2337/diabetes.52.5.1137] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
At onset of type 1 diabetes, the islet autoantibody status of patients has been reported to predict progression of the disease. We therefore tested the hypothesis that the systemic immunoregulatory balance, as defined by levels of circulating cytokines and chemokines, is associated with islet autoantibody status. In 50 patients with recent-onset type 1 diabetes, antibodies to GAD and insulinoma-associated antigen 2 (IA-2) were analyzed by radioimmunoassay; cytoplasmic islet cell antibodies were determined by indirect immunofluorescence. Cytokine and chemokine concentrations were measured by rigidly evaluated double antibody enzyme-linked immunosorbent assay. Of four classically defined Th1/Th2 cytokines (gamma-interferon, interleukin [IL]-5, IL-10, IL-13), none showed an association with multiple autoantibody positivity. Of six mediators mainly produced by innate immunity cells, three were associated with multiple autoantibody status (IL-18 increased, MIF and MCP-1 decreased) and three were unaffected (IL-12, MIP-1beta, IP-10). GAD and/or IA-2 antibody titers negatively correlated with systemic concentrations of MIF, MIP-1beta, and IL-12. Combining the data of several cytokine and chemokine levels made it possible to predict islet antibody positivity in individual patients with 85% sensitivity and 94% specificity. These data suggest a close association of islet antibody status with systemic immunoregulation in type 1 diabetes.
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Affiliation(s)
- Pejman Hanifi-Moghaddam
- German Diabetes Research Institute, Heinrich-Heine University of Düsseldorf, Auf'm Hennekamp 65, D-40225 Düsseldorf, Germany
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20
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Meierhoff G, Ott PA, Lehmann PV, Schloot NC. Cytokine detection by ELISPOT: relevance for immunological studies in type 1 diabetes. Diabetes Metab Res Rev 2002; 18:367-80. [PMID: 12397579 DOI: 10.1002/dmrr.320] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Diabetes mellitus type 1 is a chronic disease in which the insulin-secreting ss-cells are selectively destroyed by an immune-mediated process. Autoantibodies directed against several islet antigens are useful parameters to estimate the risk to develop diabetes, but cell-mediated immunity involving T lymphocytes plays a major part in causing the specific destruction of ss-cells. T cells are characterized by their antigen-specificity, phenotype and cytokine-secreting profile. T cells that secrete cytokines of the T helper 1 (Th1) type have been shown to transfer diabetes in animal studies, in contrast to T helper 2 (Th2) cytokine-secreting T cells that are thought to be rather nondestructive. In the absence of phenotypic markers for Th1 and Th2 cells, several different approaches have been taken to examine T cell responses in detail. Methods involve T-cell proliferation assays, Enzyme-Linked-Immuno-Sorbent-Assay (ELISA) analysis of secreted cytokines and phenotype analysis applying flow cytometry. A more recent development is ELISPOT analysis, which enables the investigator to determine the qualitative and quantitative antigen-specific immune response on a single-cell level with regard to cytokine secretion. This article aims to give an introduction to the advantages and limitations inherent in the different techniques and their potential relevance for immunological studies in diabetes mellitus type 1.
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Affiliation(s)
- Guido Meierhoff
- German Diabetes Research Institute, Auf'm Hennekamp 65, 40225 Düsseldorf, Germany
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Chase HP, Cuthbertson DD, Dolan LM, Kaufman F, Krischer JP, Schatz DA, White NH, Wilson DM, Wolfsdorf J. First-phase insulin release during the intravenous glucose tolerance test as a risk factor for type 1 diabetes. J Pediatr 2001; 138:244-9. [PMID: 11174623 DOI: 10.1067/mpd.2001.111274] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE To determine the relationship between first-phase (1 minute + 3 minutes) insulin production during the intravenous glucose tolerance test (IV-GTT) and risk factors for developing type 1 diabetes. STUDY DESIGN Relatives of persons with type 1 diabetes (n = 59,600) were screened for islet cell antibodies (ICAs). Subjects who had positive screening results underwent IV-GTT (> or =2 times), repeat ICA screening, insulin autoantibody (IAA) screening twice, and an oral glucose tolerance test. RESULTS Of the 59,600 subjects in the study, 2199 (3.69%) had positive findings on initial ICA test. IV-GTTs were performed in 1622 subjects, with children <8 years having the lowest first-phase insulin release (FPIR) and subjects 8 to 20 years of age having the highest FPIR. The FPIR was lower for subjects with a confirmed positive ICA test result or a positive IAA test result, subjects with higher titers of ICA or IAA, and subjects who had an abnormal (impaired or diabetic) oral glucose tolerance test result. CONCLUSION FPIR in the IV-GTT correlates strongly with risk factors for development of type 1 diabetes.
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Affiliation(s)
- H P Chase
- Barbara Davis Center, University of Colorado Health Sciences Center, Denver, USA
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Slover RH, Eisenbarth GS. Prevention of type I diabetes and recurrent beta-cell destruction of transplanted islets. Endocr Rev 1997; 18:241-58. [PMID: 9101139 DOI: 10.1210/edrv.18.2.0299] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- R H Slover
- Barbara Davis Center for Childhood Diabetes, University of Colorado Health Sciences Center, Denver 80262, USA
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