Cerebral cavernous malformation is a vascular disease associated with activated RhoA signaling.

Cerebral cavernous malformation is a vascular disease associated with activated RhoA signaling.
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DOI:
10.1515/hsz-2012-0243
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发表时间:
2013-01
影响因子:
3.7
通讯作者:
Johnson GL
Johnson GL
中科院分区:
生物学2区
文献类型:
--
作者:
Richardson BT;Dibble CF;Borikova AL;Johnson GL

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脑海绵状血管畸形(CCM)是指ccm1、-2或-3三个基因中的一个基因的纯合失活突变,导致脑血管通透性增高。CCM1、-2和-3蛋白形成一个复合体,以组织控制内皮细胞生理的信号网络,包括肌动蛋白动力学、管形成和黏附连接。CCM1、-2或-3缺失的常见生化缺陷是RhoA活性增加,导致Rho相关的卷曲形成激酶(ROCK)激活。抑制ROCK可挽救CCM内皮细胞功能障碍,提示抑制RhoA-ROCK信号通路可能是预防或阻止CCM病变进展的治疗策略。
Cerebral cavernous malformation (CCM) involves the homozygous inactivating mutations of one of three genes, ccm1, -2, or -3 resulting in hyperpermeable blood vessels in the brain. The CCM1, -2, and -3 proteins form a complex to organize the signaling networks controlling endothelial cell physiology including actin dynamics, tube formation, and adherens junctions. The common biochemical defect with the loss of CCM1, -2, or -3 is increased RhoA activity leading to the activation of Rho-associated coiled coil-forming kinase (ROCK). Inhibition of the ROCK rescues CCM endothelial cell dysfunction, suggesting that the inhibition of RhoA-ROCK signaling may be a therapeutic strategy to prevent or arrest the progression of the CCM lesions.
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