Direct Thrombin Inhibitors Suppress Type 1 Diabetes Development through PI3K/p-AKT Pathway

Ahmed G Alharbi1,2, Hussien M Ali1,3, Ahmed H Alhowail1

  • 1Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Buraydah 51452, Saudi Arabia.

PubMed
Abstract

Insights

Coagulation cascade activation is linked to type-1 diabetes development via the PI3K/AKT pathway. Direct thrombin inhibitors like dabigatran show potential in preventing type-1 diabetes in high-risk individuals.

Area of Science:

  • Immunology
  • Hematology
  • Endocrinology

Background:

  • Type-1 diabetes (T1DM) is an autoimmune disease characterized by insulin deficiency and hyperglycemia.
  • The relationship between coagulation cascade activation and T1DM development is not well-established.

Purpose of the Study:

  • To investigate the role of the coagulation system in T1DM progression.
  • To evaluate the protective effects of dabigatran, a direct thrombin inhibitor, in a mouse model of streptozotocin (STZ)-induced T1DM.

Main Methods:

  • Mice were divided into four groups: control, dabigatran-treated, STZ-treated, and STZ + dabigatran.
  • Evaluated parameters included blood glucose, platelets, serum insulin, and pancreatic histopathology.
  • Investigated protein expressions (PI3K, p-Akt, insulin, fibrinogen) in pancreatic tissues using immunofluorescence.

Main Results:

  • STZ-induced T1DM mice showed increased fibrinogen, PI3K, and p-Akt expression, and thrombocytopenia.
  • STZ treatment reduced pancreatic insulin levels.
  • Dabigatran co-treatment normalized fibrinogen, PI3K, and p-Akt levels, increased platelet counts, and restored insulin expression.

Conclusions:

  • Coagulation cascade activation, mediated by the PI3K/AKT pathway, contributes to T1DM.
  • Direct antithrombin therapy, such as dabigatran, may offer a novel strategy for T1DM prevention in at-risk populations.

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