Statins' benefits begin to sprout.

Statins' benefits begin to sprout.
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他汀类药物的益处开始显现。

DOI:
10.1172/jci13556
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发表时间:
2001
期刊:
The Journal of clinical investigation
影响因子:
--
通讯作者:
Altieri,DC
Altieri,DC
中科院分区:
--
文献类型:
--
作者:
Altieri,DC

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从分化的内皮细胞祖细胞中萌发的新血管可能并不局限于发育中的胚胎。meler等人认为他汀类药物并没有上调VEGF(7)。另一方面,其他“血管生成因子”显然存在,其中最有趣的可能是胎盘生长因子,它似乎优先参与促进出生后血管形成,非常像他汀类药物的作用(8)。第二,一氧化氮在他汀类药物依赖性血管生成中的作用是什么?他汀类药物明显刺激内皮一氧化氮合酶表达和活性的增加,从而导致Akt活化(9),并可能介导内皮细胞前体的动员或分化的某些方面。最后,Akt下游的哪些基因是他汀类药物诱导的血管生成程序所必需的?一些具有Akt抗凋亡作用的候选分子刚刚开始出现。然而,很可能存在更多的因素来解释他汀类药物利用干细胞动员和分化的多面发育途径。考虑到这个令人兴奋的话题的研究速度很快,其中一些问题的答案可能不会太迟。
The sprouting of new blood vessels from differentiated endothelial cell progenitors may not be limited to the developing embryo. meler et al. argue that it is not VEGF that is being somehow upregulated by statins (7). On the other hand, other “vasculogenic factors” clearly exist, and one of the most intriguing may be placental growth factor, which seems preferentially involved in facilitating postnatal blood vessel formation, very much like what the statins appear to do (8). Second, what is the role of nitric oxide in statin-dependent vasculogenesis? Increase in endothelial nitric oxide synthase expression and activity is clearly stimulated by statins, which results in Akt activation (9) and could conceivably mediate some aspects of mobilization or differentiation of endothelial cell precursors. Finally, what are the genes downstream of Akt that are required for the vasculogenic program induced by statins? A few candidate molecules for the antiapoptotic effect of Akt are just beginning to emerge. However, it is likely that many more exist to account for what is clearly a multifaceted developmental pathway of stem cell mobilization and differentiation exploited by statins. Given the fast pace of research on this exciting topic, the answer to some of these questions may not be too far behind.
内皮一氧化氮合酶的调节可以解释他汀类药物的血管保护作用吗?
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