期刊
JOURNAL OF NEUROLOGY
卷 260, 期 1, 页码 10-19出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00415-012-6567-6
关键词
Cerebral cavernous malformation (CCM); Integrin cytoplasmic domain-associated protein-1 (ICAP-1); beta 1 Integrin; Angiogenesis
资金
- National Key Basic Research Program of China [2012CB619101, 2012CB945101]
- National Key Technology R&D Program of China [2012BAI18B02]
- Fundamental Research Funds for the Central Universities [CDJXS11230037]
- Public Experiment Center of State Bioindustrial Base (Chongqing)
Cerebral cavernous malformation (CCM) is a common vascular disease in central nervous system that frequently predisposes to stroke, seizure, and cerebral hemorrhage. CCM lesions are characterized by dilated and leaky intracranial capillaries composed of a thin layer of vascular endothelial cells with abnormal subendothelial extracellular matrix. Despite the understanding that genetic mutation of three CCM genes (CCM1, CCM2, and CCM3) results in hereditary CCM, the molecular mechanism underlying vascular defects in CCM lesions remains poorly understood. Recent studies have shown that integrin cytoplasmic domain-associated protein-1 (ICAP-1, also known as integrin beta 1 binding protein1, ITGB1BP), a cytoplasmic protein interacting with both beta 1 integrin subunit and CCM1 protein (also known as Krit1), is implicated in vascular development. Analysis of data on the biochemistry and cellular biology of ICAP-1 highlights that bidirectional interaction of ICAP-1 with CCM1 and integrin might regulate diverse pathological processes of CCM disorder. Specifically, emerging evidence supports the hypothesized involvement of ICAP-1 in CCM pathogenesis through its significant effect in attenuating excessive vascular growth, its indispensable function in activating CCM1 protein, and its essential role in regulating integrin functions.
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