期刊
MICROVASCULAR RESEARCH
卷 80, 期 2, 页码 280-285出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.mvr.2010.03.013
关键词
Angiogenesis; Arachidonic acid; Atherosclerosis; Co-cultures; Endothelial cells; Mitogen activated protein kinases (MAPKs); Pericytes; Phospholipase A(2); Prostaglandins; Tumor cells
资金
- Ministry of Scientific Research of Italy
The investigation of intracellular phospholipase A(2) (PLA(2)) enzymes in endothelial cells (ECs) seems interesting because it may contribute to unveil the mechanisms of biological processes such as angiogenesis, adhesion and transmigration of inflammatory cells, atherogenesis, blood brain barrier and tumor progression. To date, limited information is available regarding the function and regulation of three well characterized phospholipases, Ca2+-dependent cytosolic PLA(2) (cPLA(2)), Ca2+-independent PLA(2) (iPLA(2)) and secretory PLA(2) (sPLA(2)) along the intracellular signaling pathways in quiescent and proliferating ECs. PLA(2)s could be potentially involved in signaling cascades by which ECs promote the highly organized multicellular complexes consisting of either an endothelium, brain pericytes and astrocytes, or cellular constituents of the tumor microvasculature. This review will summarize recent findings on the presence and possible role attributed to PLA(2)s in a variety of EC lines grown alone, as well as in isolated cancer cell lines, or in co-cultures in which signal transduction and cross-talk mechanisms between tumor cells and ECs, largely undefined, begin to be unravelled. (C) 2010 Elsevier Inc. All rights reserved.
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