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Diabetes Mellitus: Type 2 and Gestational01:22

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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
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Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
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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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Related Experiment Video

Updated: Oct 17, 2025

Quantification of the Immunosuppressant Tacrolimus on Dried Blood Spots Using LC-MS/MS
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Beta-Cell Dysfunction Induced by Tacrolimus: A Way to Explain Type 2 Diabetes?

Ana Elena Rodriguez-Rodriguez1,2, Esteban Porrini3,4, Armando Torres3,5

  • 1Research Unit, Hospital Universitario de Canarias, 38320 La Laguna, Santa Cruz de Tenerife, Spain.

International Journal of Molecular Sciences
|October 13, 2021
PubMed
Summary

Tacrolimus (TAC) accelerates beta-cell dysfunction, similar to type-2 diabetes mellitus (T2DM) progression. This suggests TAC can model T2DM pathogenesis, aiding research into diabetes development and prevention.

Keywords:
diabetes mellitus type 2pancreatic β-cellspathwayspost-transplant diabetes mellitustacrolimus

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Area of Science:

  • Endocrinology
  • Immunology
  • Metabolic Research

Background:

  • Type-2 diabetes mellitus (T2DM) arises from insulin resistance and beta-cell dysfunction, a process that can span decades.
  • Post-transplant diabetes mellitus (PTDM) affects 30% of renal transplant recipients, sharing risk factors with T2DM, including obesity and insulin resistance.
  • Tacrolimus (TAC), a common immunosuppressant, is associated with high PTDM rates and is known to impair beta-cell function.

Purpose of the Study:

  • To investigate the mechanisms by which TAC exacerbates beta-cell dysfunction.
  • To explore the hypothesis that TAC-induced diabetes shares common pathways with T2DM pathogenesis.
  • To establish TAC as a model for studying T2DM development.

Main Methods:

  • Review of existing literature on T2DM and TAC-induced diabetes.
  • Analysis of beta-cell adaptive capacity and failure mechanisms.
  • Examination of nuclear factor modifications under insulin resistance, glucolipotoxicity, and TAC treatment.

Main Results:

  • Insulin resistance and glucolipotoxicity alter key nuclear factors essential for beta-cell identity and function, without inducing apoptosis.
  • TAC accelerates or enhances these detrimental changes in beta-cells.
  • The pathways affected by TAC in PTDM are likely the same as those involved in T2DM progression.

Conclusions:

  • TAC significantly contributes to beta-cell dysfunction, mirroring T2DM progression.
  • TAC serves as a valuable tool for understanding the underlying pathogenesis of T2DM.
  • Further research into these shared pathways can inform strategies for T2DM prevention and treatment.