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For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is...
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Type 1 diabetes pathogenesis - Prevention???

C S Muralidhara Krishna1, S Srikanta2

  • 1Faculty, Bangalore Medical College and Research Institute, Bangalore, India; Honorary Consultant.

Indian Journal of Endocrinology and Metabolism
|May 6, 2015
PubMed
Summary
This summary is machine-generated.

Type 1 diabetes involves autoimmunity, genetics, and environment, leading to beta-cell destruction. Early detection via islet cell autoantibodies and potential therapeutic interruption offer hope for preventing and curing this autoimmune disease.

Keywords:
Type 1 diabetes mellitusautoimmunitybeta cellbeta cell destructionislet cell autoantibodiespathogenesispredictionprevention

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Area of Science:

  • Immunology
  • Endocrinology
  • Genetics

Background:

  • Type 1 diabetes (T1DM) pathogenesis is complex, involving autoimmunity, genetic predisposition, and environmental triggers.
  • Autoimmunity against pancreatic islet cells causes progressive beta-cell destruction, leading to insulin-dependent diabetes mellitus (IDDM).
  • Islet cell autoantibodies (ICAb) are key biomarkers for T1DM, aiding in early prediction and understanding disease progression.

Purpose of the Study:

  • To explore the multifaceted pathogenesis of type 1 diabetes, focusing on autoimmunity and environmental factors.
  • To highlight the diagnostic and prognostic significance of islet cell autoantibodies in T1DM.
  • To discuss potential therapeutic strategies targeting autoimmunity and beta-cell preservation for T1DM reversal.

Main Methods:

  • Review of current literature on T1DM pathogenesis, autoimmunity, and environmental influences.
  • Analysis of the role of islet cell autoantibodies in disease prediction and monitoring.
  • Examination of emerging therapeutic targets and prevention strategies for T1DM.

Main Results:

  • Islet cell autoantibodies are crucial for identifying individuals at risk and monitoring disease.
  • Recent findings suggest non-uniform beta-cell destruction, offering hope for therapeutic intervention.
  • Environmental factors like congenital rubella, viruses, gluten, and cow's milk are implicated, while gut flora, helminths, and Vitamin D may be protective.
  • Anti-CD3 therapies (teplizumab, otelixizumab) have shown potential in preserving C-peptide levels.

Conclusions:

  • Understanding T1DM pathogenesis, including autoimmunity and environmental factors, is key to developing effective prevention and treatment strategies.
  • Early detection using islet cell autoantibodies and targeted therapies can preserve beta-cell function and potentially reverse T1DM.
  • Further research is needed to address autoimmune memory, re-establish self-tolerance, and elucidate disease initiation mechanisms.