Rosiglitazone but not losartan prevents Nrf-2 dependent CD36 gene expression up-regulation in an in vivo atherosclerosis model
2008

Rosiglitazone Prevents CD36 Gene Expression Up-Regulation in Atherosclerosis Model

Sample size: 23 publication 10 minutes Evidence: moderate

Author Information

Author(s): Y Hernandez-Trujillo, F Rodriguez-Esparragon, A Macias-Reyes, A Caballero-Hidalgo, Jose C Rodriguez-Perez

Primary Institution: Hospital Universitario de Gran Canaria Dr. Negrín

Hypothesis

Does rosiglitazone treatment preserve PPARγ activity and affect CD36 gene expression in atherosclerosis?

Conclusion

Rosiglitazone significantly reduces Nrf-2-dependent CD36 up-regulation in mice on a high-fat diet.

Supporting Evidence

  • Rosiglitazone treatment maintained PPARγ activity without increasing PPARγ gene expression.
  • Mice treated with rosiglitazone showed lower levels of inflammatory markers compared to those treated with losartan.
  • Chromatin immunoprecipitation assays indicated that rosiglitazone prevents Nrf2-dependent CD36 up-regulation.

Takeaway

This study shows that a diabetes drug called rosiglitazone helps protect against heart problems by stopping a bad gene from getting too active in mice that eat unhealthy food.

Methodology

C57BL/6J mice were fed a high-fat high-cholesterol diet and treated with rosiglitazone or losartan for 12 weeks.

Limitations

The study was conducted in mice, which may not fully represent human responses.

Participant Demographics

C57BL/6J and C3HeJ/6J female mice

Statistical Information

P-Value

p = 0.02

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1475-2840-7-3

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