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Geng L, Diao X, Han H, Lin Y, Liang W, Xu A. Type 1 diabetes complicated with cyclic vomiting syndrome and exogenous insulin antibody syndrome: A case report. Front Endocrinol (Lausanne) 2022; 13:1043301. [PMID: 36440205 PMCID: PMC9684460 DOI: 10.3389/fendo.2022.1043301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 10/28/2022] [Indexed: 11/11/2022] Open
Abstract
Every fifth individual with type 1 diabetes (T1D) suffers from an additional autoimmune disorder due to shared genetic factors and dysregulated immunity. Here we report an extremely rare case of T1D complicated with cyclic vomiting and hypoglycaemia. A 27-year-old Chinese woman with 14-year history of T1D was periodically hospitalized for severe vomiting of more than 30 times a day without apparent organic causes. The vomiting developed acutely and remitted spontaneously after 2-3 days, followed with intractable hypoglycaemia for another 3-4 days during the hospitalization. A few weeks after discharge, she was admitted once again with the same symptoms and disease course. Cyclic vomiting syndrome (CVS) was diagnosed according to the Rome IV criteria, a system developed to define the functional gastrointestinal disorders. Dynamic association and disassociation of exogenous insulin and insulin antibodies (IAs) were identified in her blood during hypoglycaemia, leading to the diagnosis of exogenous insulin antibody syndrome (EIAS). Treatment with rituximab to suppress the IAs was associated with a striking amelioration of hypoglycaemia. Unexpectedly, the episodes of cyclic vomiting were also dramatically reduced. In conclusion, we identified the first case with alternating CVS and EIAS in the setting of T1D. Dynamic measurements of free and total insulin are helpful for the diagnosis of EIAS. CVS is likely to be a latent autoimmune disorder considering the good response to rituximab treatment.
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Affiliation(s)
- Leiluo Geng
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Department of Medicine, School of Clinical Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Xue Diao
- Department of Endocrinology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Hao Han
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Department of Medicine, School of Clinical Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Ying Lin
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Department of Medicine, School of Clinical Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Wei Liang
- Department of Endocrinology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- *Correspondence: Wei Liang, ; Aimin Xu,
| | - Aimin Xu
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Department of Medicine, School of Clinical Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- *Correspondence: Wei Liang, ; Aimin Xu,
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Huynh T. Clinical and Laboratory Aspects of Insulin Autoantibody-Mediated Glycaemic Dysregulation and Hyperinsulinaemic Hypoglycaemia: Insulin Autoimmune Syndrome and Exogenous Insulin Antibody Syndrome. Clin Biochem Rev 2020; 41:93-102. [PMID: 33343044 PMCID: PMC7731936 DOI: 10.33176/aacb-20-00008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Autoimmune glycaemic dysregulation and hyperinsulinaemic hypoglycaemia mediated by insulin autoantibodies is an increasingly recognised but controversial phenomenon described in both exogenous insulin naïve (insulin autoimmune syndrome) and exposed (exogenous insulin antibody syndrome) individuals. There has been a significant proliferation of case reports, clinical studies and reviews in the medical literature in recent years which have collectively highlighted the discrepancy between experts in the field with regard to the nomenclature, definition, proposed pathophysiology, as well as the clinical and biochemical diagnostic criteria associated with the condition. The essential characteristics of the condition are glycaemic dysregulation manifesting as episodes of hyperglycaemia and unpredictable hyperinsulinaemic hypoglycaemia associated with high titres of endogenous antibodies to insulin. Although the hypoglycaemia is often life-threatening and initiation of targeted therapies critical, the diagnosis is often delayed and attributable to various factors including: the fact that existence of the condition is not universally accepted; the need to exclude surreptitious causes of hypoglycaemia; the diverse and often complex nature of the glycaemic dysregulation; and the challenge of diagnostic confirmation. Once confirmed, the available therapeutic options are expansive and the reported responses to these therapies have been variable. This review will focus on our evolving understanding, and the associated diagnostic challenges - both clinical and laboratory - of this complex condition.
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Affiliation(s)
- Tony Huynh
- Department of Endocrinology and Diabetes, Queensland Children’s Hospital, South Brisbane 4101, Australia
- Department of Chemical Pathology, Mater Pathology, South Brisbane 4101, Australia
- Faculty of Medicine, University of Queensland, Brisbane, Qld, Australia
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Ravens S, Scheit L. [Intermittent disturbances of perception during fasting in a 46-year-old female patient]. Internist (Berl) 2020; 61:964-968. [PMID: 32734334 DOI: 10.1007/s00108-020-00830-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND We report the case of a 46-year-old female patient who presented in the emergency department with intermittent disturbances of perception when fasting. DIAGNOSTICS In the diagnostic fasting test, a hyperinsulinemic hypoglycemia already occurred after 7h. A sonographic examination was inconspicuous, therefore, a Ga 68-HA-DOTATATE positron emission tomography computed tomography (PET-CT) was carried out. The results were indicative of a neuroendocrine neoplasm, which gave rise to the suspicion of an insulinoma. CLINICAL COURSE For surgical treatment the patient was transferred to an external hospital. Following surgery, the patient was free of symptoms. CONCLUSION If multiple symptoms of hypoglycemia are present, an insulinoma as the cause must be considered in the differential diagnostics.
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Affiliation(s)
- S Ravens
- Klinik I Innere Medizin, Bundeswehrkrankenhaus Hamburg, Lesserstraße 180, 22049, Hamburg, Deutschland
| | - L Scheit
- Klinik I Innere Medizin, Bundeswehrkrankenhaus Hamburg, Lesserstraße 180, 22049, Hamburg, Deutschland.
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Shakya A, Chaudary SK, Garabadu D, Bhat HR, Kakoti BB, Ghosh SK. A Comprehensive Review on Preclinical Diabetic Models. Curr Diabetes Rev 2020; 16:104-116. [PMID: 31074371 DOI: 10.2174/1573399815666190510112035] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/20/2019] [Accepted: 04/22/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Preclinical experimental models historically play a critical role in the exploration and characterization of disease pathophysiology. Further, these in-vivo and in-vitro preclinical experiments help in target identification, evaluation of novel therapeutic agents and validation of treatments. INTRODUCTION Diabetes mellitus (DM) is a multifaceted metabolic disorder of multidimensional aetiologies with the cardinal feature of chronic hyperglycemia. To avoid or minimize late complications of diabetes and related costs, primary prevention and early treatment are therefore necessary. Due to its chronic manifestations, new treatment strategies need to be developed, because of the limited effectiveness of the current therapies. METHODS The study included electronic databases such as Pubmed, Web of Science and Scopus. The datasets were searched for entries of studies up to June, 2018. RESULTS A large number of in-vivo and in-vitro models have been presented for evaluating the mechanism of anti-hyperglycaemic effect of drugs in hormone-, chemically-, pathogen-induced animal models of diabetes mellitus. The advantages and limitations of each model have also been addressed in this review. CONCLUSION This review encompasses the wide pathophysiological and molecular mechanisms associated with diabetes, particularly focusing on the challenges associated with the evaluation and predictive validation of these models as ideal animal models for preclinical assessments and discovering new drugs and therapeutic agents for translational application in humans. This review may further contribute to discover a novel drug to treat diabetes more efficaciously with minimum or no side effects. Furthermore, it also highlights ongoing research and considers the future perspectives in the field of diabetes.
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Affiliation(s)
- Anshul Shakya
- Department of Pharmaceutical Sciences, School of Science and Engineering, Dibrugarh University, Dibrugarh - 786 004, Assam, India
| | - Sushil Kumar Chaudary
- Department of Pharmacology, University of the Free State, Bloemfontein 9300, South Africa
| | - Debapriya Garabadu
- Institute of Pharmaceutical Research, GLA University, Mathura - 281406, Uttar Pradesh, India
| | - Hans Raj Bhat
- Department of Pharmaceutical Sciences, School of Science and Engineering, Dibrugarh University, Dibrugarh - 786 004, Assam, India
| | - Bibhuti Bhusan Kakoti
- Department of Pharmaceutical Sciences, School of Science and Engineering, Dibrugarh University, Dibrugarh - 786 004, Assam, India
| | - Surajit Kumar Ghosh
- Department of Pharmaceutical Sciences, School of Science and Engineering, Dibrugarh University, Dibrugarh - 786 004, Assam, India
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Cappellani D, Macchia E, Falorni A, Marchetti P. Insulin Autoimmune Syndrome (Hirata Disease): A Comprehensive Review Fifty Years After Its First Description. Diabetes Metab Syndr Obes 2020; 13:963-978. [PMID: 32308449 PMCID: PMC7136665 DOI: 10.2147/dmso.s219438] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Accepted: 03/13/2020] [Indexed: 01/10/2023] Open
Abstract
Insulin autoimmune syndrome (IAS), also named Hirata's disease, is a rare condition characterized by hypoglycemic episodes due to the presence of high titers of insulin autoantibodies (IAA). IAS is a form of immune-mediated hypoglycemia, which develops when a triggering factor (ie, a medication or a viral infection) acts on an underlying predisposing genetic background. IAS pathogenesis involves the formation of insulin-IAA complexes that induce glycemic alterations with a double-phase mechanism: IAA prevent insulin to bind its receptor in the postprandial phase, possibly resulting in mild hyperglycemia; thereafter, insulin is released from the complexes irrespective of blood glucose concentrations, thus inducing hypoglycemia. The diagnosis of IAS is challenging, requiring a careful workup aimed at excluding other causes of hyperinsulinemic hypoglycemia. The gold standard for the definitive diagnosis is the finding of IAA in a blood sample. Because IAS is frequently a self-remitting disease, its management mostly consists of supportive measures, such as dietary modifications, aimed at preventing the development of hypoglycemia. Pharmacological therapies may occasionally be necessary for patients presenting with severe manifestations of IAS. Available therapies may include drugs that reduce pancreatic insulin secretion (somatostatin analogues and diazoxide, for instance) and immunosuppressive agents (glucocorticoids, azathioprine and rituximab). The purpose of this review is to provide a comprehensive analysis of the disease, by describing the burden of knowledge that has been obtained in the 50 years following its first description, took in 1970, and by highlighting the points that are still unclear in its pathogenesis and management.
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Affiliation(s)
- Daniele Cappellani
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University of Pisa, Pisa, Italy
- Correspondence: Daniele Cappellani Department of Clinical and Experimental Medicine, Unit of Endocrinology, University of Pisa, Ospedale Cisanello, via Paradisa 2, Pisa56124, ItalyTel +39 50 995001Fax +39 50 578772 Email
| | - Enrico Macchia
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University of Pisa, Pisa, Italy
| | - Alberto Falorni
- Department of Medicine, Section of Internal Medicine and Endocrine and Metabolic Sciences, University of Perugia, Perugia, Italy
| | - Piero Marchetti
- Department of Clinical and Experimental Medicine, Division of Metabolism and Cell Transplantation, University of Pisa, Pisa, Italy
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Shen Y, Song X, Ren Y. Insulin autoimmune syndrome induced by exogenous insulin injection: a four-case series. BMC Endocr Disord 2019; 19:148. [PMID: 31883520 PMCID: PMC6935495 DOI: 10.1186/s12902-019-0482-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 12/20/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Insulin autoimmune syndrome (IAS) is a rare cause of hypoglycemia and is characterized by the presence of insulin autoantibodies. Patients with IAS usually complain of hypoglycemia without any previous insulin received. Glucocorticoids and immunosuppressants are used to treat IAS. CASE PRESENTATION We report four patients with diabetes who were diagnosed with non-classical IAS and describe the treatment of these patients. Moreover, the differential diagnosis with hyperinsulinism is discussed. CONCLUSION High levels of insulin autoantibodies, as well as hyperinsulinemic hypoglycemia, are found in patients with diabetes mellitus and prior exogenous insulin exposure. This situation that we classified as non-classical IAS should be attached importance to.
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Affiliation(s)
- Yimin Shen
- Department of Endocrinology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang, 310009 China
- Zhejiang University School of Medicine, Zhejiang, 310058 China
| | - Xiaoxiao Song
- Department of Endocrinology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang, 310009 China
| | - Yuezhong Ren
- Department of Endocrinology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang, 310009 China
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Strage EM, Sundberg M, Holst BS, Andersson Franko M, Ramström M, Fall T, Lewitt M. Effect of insulin treatment on circulating insulin-like growth factor I and IGF-binding proteins in cats with diabetes mellitus. J Vet Intern Med 2018; 32:1579-1590. [PMID: 30112786 PMCID: PMC6189377 DOI: 10.1111/jvim.15243] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 04/15/2018] [Accepted: 05/22/2018] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Insulin-like growth factor-I (IGF-I) is used to screen for acromegaly in diabetic cats. In humans, most circulating IGF-I forms ternary complexes (TC) with IGF-binding protein (IGFBP-3) and an acid-labile subunit. Compared to humans, the amount of TC in cats is more variable. Insulin-like growth factor-I concentrations are reported to increase during insulin treatment, more rapidly in cats achieving remission. OBJECTIVES To investigate (i) factors associated with circulating IGF-I concentrations, including IGFBP-profiles (ii) effect of insulin treatment on IGF-I concentrations and (iii) IGF-I as prognostic marker of diabetes mellitus remission. ANIMALS Thirty-one privately owned diabetic cats of which 24 were followed 1 year, and 13 healthy cats. METHODS Prospective study. Serum insulin, IGF-I, glucose, and fructosamine concentrations were measured. IGF-binding forms were determined by chromatography in 14 diabetic and 13 healthy cats; and IGF-I, IGF-II, IGFBP-3, and IGFBP-5 by mass spectrometry in 3 cats achieving remission. RESULTS Insulin-like growth factor-I median (interquartile range) before start of insulin treatment was 300 (160-556) ng/mL. Insulin-like growth factor-I was positively associated with TC (P < .0001) and endogenous insulin (P = .005) and negatively associated with fructosamine (P < .0001). Median IGF-I was higher 2-4 weeks after start of insulin treatment compared with baseline (300 versus 670 ng/mL, P = .0001) and predicted future remission (P = .046). In cats that went into remission, the amount of TC and IGFBP-3 increased, suggesting increase in IGF-I is dependent on TC formation. CONCLUSIONS Insulin treatment should be accounted for when interpreting IGF-I in diabetic cats. Insulin-like growth factor-I 2-4 weeks after initiation of insulin treatment shows promise as prognostic marker for remission in diabetic cats.
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Affiliation(s)
- Emma M Strage
- Department of Clinical Sciences, University Animal Hospital, Swedish University of Agricultural Sciences, Uppsala, Sweden.,Clinical Pathology Laboratory, University Animal Hospital, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Mårten Sundberg
- Department of Chemistry- BMC and Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Bodil S Holst
- Department of Clinical Sciences, University Animal Hospital, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | | | - Margareta Ramström
- Department of Chemistry- BMC and Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Tove Fall
- Department of Medical Sciences, Molecular Epidemiology and Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Moira Lewitt
- School of Health Nursing and Midwifery, University of the West of Scotland, Paisley, United Kingdom
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