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Updated: May 23, 2025

Differentiated Mouse Adipocytes in Primary Culture: A Model of Insulin Resistance
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Adipose stromal cells increase insulin sensitivity and decrease liver gluconeogenesis in a mouse model of type 1

Hsiao-Chi Lai1,2,3,4, Yen-Ju Lee5,6, Pei-Hsuan Chen1,2,3,4

  • 1Department of Surgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan.

Stem Cell Research & Therapy
|March 12, 2025
PubMed
Summary
This summary is machine-generated.

Adipose stromal vascular fraction (SVF) cells improved insulin sensitivity and reduced liver inflammation in a type 1 diabetes (T1D) animal model. These findings suggest SVF cells as a potential cellular therapy for T1D by regulating liver gluconeogenesis.

Keywords:
Adipose tissueGluconeogenesisIL-10SVFT1D

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Area of Science:

  • Immunology
  • Metabolic Diseases
  • Regenerative Medicine

Background:

  • Diabetic ketoacidosis (DKA) is a severe hyperglycemic emergency linked to insulin deficiency and accelerated liver gluconeogenesis.
  • Type 1 diabetes (T1D) management often involves insulin injections, with limited alternatives like islet or pancreas transplantation.
  • Investigating novel cellular therapies for T1D is crucial for improving patient outcomes.

Purpose of the Study:

  • To investigate the therapeutic effects of adipose stromal vascular fraction (SVF) cells on liver gluconeogenesis and insulin sensitivity.
  • To elucidate the underlying mechanisms of SVF cell action in an insulin-dependent T1D animal model.

Main Methods:

  • Adipose stromal vascular fraction (SVF) cells were isolated from wild-type mice.
  • SVF cells were transplanted into the peritoneal cavity of type 1 diabetic Akita mice.
  • Gene expression, insulin tolerance tests, and glucose-responsive C-peptide levels were analyzed.

Main Results:

  • SVF cell transplantation downregulated proinflammatory genes (TNF-α, IL-1β) and upregulated anti-inflammatory factors (IL-10, FOXP3) in the liver and serum.
  • Expression of key gluconeogenic genes (G6pc, Pck1) was significantly decreased in the livers of treated mice.
  • Treated diabetic mice exhibited improved insulin sensitivity, reduced fasting blood glucose, and restored C-peptide expression.

Conclusions:

  • Adipose tissue-derived SVF cells effectively suppress liver inflammation and regulate gluconeogenesis in a T1D animal model.
  • SVF cell therapy improved insulin sensitivity and metabolic parameters in diabetic mice.
  • Adipose SVF cells represent a promising novel cellular therapeutic strategy for managing T1D.