| First Author | Wilson KM | Year | 2007 |
| Journal | Arterioscler Thromb Vasc Biol | Volume | 27 |
| Issue | 1 | Pages | 233-40 |
| PubMed ID | 17082485 | Mgi Jnum | J:147558 |
| Mgi Id | MGI:3841372 | Doi | 10.1161/01.ATV.0000251607.96118.af |
| Citation | Wilson KM, et al. (2007) Prothrombotic effects of hyperhomocysteinemia and hypercholesterolemia in ApoE-deficient mice. Arterioscler Thromb Vasc Biol 27(1):233-40 |
| abstractText | OBJECTIVE: We tested the hypothesis that hyperhomocysteinemia and hypercholesterolemia promote arterial thrombosis in mice. METHODS AND RESULTS: Male apolipoprotein E (Apoe)-deficient mice were fed one of four diets: control, hyperhomocysteinemic (HH), high fat (HF), or high fat/hyperhomocysteinemic (HF/HH). Total cholesterol was elevated 2-fold with the HF or HF/HH diets compared with the control or HH diets (P<0.001). Plasma total homocysteine (tHcy) was elevated (12 to 15 micromol/L) with the HH or HF/HH diets compared with the control or HF diets (4 to 6 micromol/L; P<0.001). Aortic sinus lesion area correlated strongly with total cholesterol (P<0.001) but was independent of tHcy. At 12 weeks of age, the time to thrombotic occlusion of the carotid artery after photochemical injury was >50% shorter in mice fed the HF diets, with or without hyperhomocysteinemia, compared with the control diet (P<0.05). At 24 weeks of age, carotid artery thrombosis was also accelerated in mice fed the HH diet (P<0.05). Endothelium-dependent nitric oxide-mediated relaxation of carotid artery rings was impaired in mice fed the HF, HH, or HF/HH diets compared with the control diet (P<0.05). CONCLUSIONS: Hyperhomocysteinemia and hypercholesterolemia, alone or in combination, produce endothelial dysfunction and increased susceptibility to thrombosis in Apoe-deficient mice. |
