Non Insulin Dependent Diabetes in Sand Rat (Psammomys obesus) and Production of Collagen in Cultured Aortic Smooth Muscle Cells. Influence of Insulin
2001

Diabetes in Sand Rats and Collagen Production

Sample size: 14 publication Evidence: moderate

Author Information

Author(s): S. AOUICHAT BOUGUERRA, M. C. BOURDILLON, Y. DAHMANI, F. BEKKHOUCH

Primary Institution: Laboratory of Nutrition and Metabolism Physiology, USTHB, Algiers; INSERM U 63, Lyon, France; Central Hospital of Army, Ain Naadja, Algiers

Hypothesis

The study investigates the effects of a high-caloric diet on diabetes and collagen production in sand rats.

Conclusion

The study found that a high-caloric diet induced diabetes in sand rats, leading to increased collagen synthesis, which was reduced by low doses of insulin.

Supporting Evidence

  • Sand rats fed a high-caloric diet developed non-insulin dependent diabetes.
  • Diabetes was characterized by increased body weight, hyperinsulinemia, hyperglycemia, and hypercholesterolemia.
  • Collagen synthesis was significantly increased in diabetic sand rats compared to controls.
  • Low doses of insulin reduced collagen synthesis in cultured smooth muscle cells.

Takeaway

Feeding sand rats a high-calorie diet made them diabetic, and this caused their bodies to make more collagen, but giving them a little insulin helped reduce that.

Methodology

The study involved feeding sand rats different diets and analyzing their blood and collagen production in cultured smooth muscle cells.

Participant Demographics

Sand rats (Psammomys obesus) from Beni Abbes, Algeria.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

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