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Pospisilova, N. et al.

Endoglin expression in hyper-cholesterolemia and after atorvastatin treatment in apoE-deficient mice.

PURPOSE: Endoglin (CD105) is a marker of activated endothelium and a modulator of TGF-beta signaling. We hypothesized whether endothelial expression of endoglin is changed in hypercholesterolemia as well as whether its expression is affected by atorvastatin treatment in apoE-deficient mice. METHODS: ApoE-deficient mice were fed with the chow diet for either 4 weeks or for 12 weeks respectively. In two treated groups, mice were fed with chow diet except atorvastatin was added to the diet for the last 4 weeks or for the last 8 weeks respectively, before euthanasia. RESULTS: Administration of atorvastatin did not affect lipid parameters after 4 weeks treatment, however increased all lipid parameters after 8 weeks of treatment. Stereological analysis of immunohistochemical staining revealed that atorvastatin significantly decreased endoglin expression in endothelium after 4 weeks of treatment but increased it after 8 weeks of treatment. CONCLUSIONS: This study demonstrates that endoglin is expressed by aortic endothelium showing similar staining patterns like other markers involved in the process of atherosclerosis. In addition, we showed that endoglin expression in endothelium could be affected by the administration of atorvastatin beyond its lipid lowering effects in apoE-deficient mice.[1]

References

Endoglin expression in hyper-cholesterolemia and after atorvastatin treatment in apoE-deficient mice. Pospisilova, N., Semecky, V., Jamborova, G., Pospechova, K., Solichova, D., Andrys, C., Zdansky, P., Nachtigal, P. Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Soci??t?? canadienne des sciences pharmaceutiques (2006) [Pubmed]

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