Platelet secretion: From haemostasis to wound healing and beyond.

Platelet secretion: From haemostasis to wound healing and beyond.
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DOI:
10.1016/j.blre.2014.10.003
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发表时间:
2015-05
期刊:
影响因子:
7.4
通讯作者:
Poole, Alastair W.
Poole, Alastair W.
中科院分区:
医学1区
文献类型:
--
作者:
Golebiewska, Ewelina M.;Poole, Alastair W.

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激活后,血小板从细胞内颗粒中分泌300多种活性物质。血小板致密颗粒成分,如ADP和多磷酸盐,有助于止血和凝血,但也在癌症转移中发挥作用。α-颗粒含有多种细胞因子、有丝分裂原、促炎因子和抗炎因子以及其他生物活性分子,它们在血栓生长的复杂微环境中是必不可少的调节因子,但也有助于许多疾病过程。我们对分泌的分子机制和颗粒生物发生的遗传调控的理解仍然不完整。在这篇综述中,我们总结了我们目前对血小板分泌在健康和疾病中的作用的理解,并讨论了一些可能解释血小板如何以特定环境的方式控制其许多分泌成分的释放,从而使血小板在健康和疾病中发挥多种作用的假设。
Upon activation, platelets secrete more than 300 active substances from their intracellular granules. Platelet dense granule components, such as ADP and polyphosphates, contribute to haemostasis and coagulation, but also play a role in cancer metastasis. α-Granules contain multiple cytokines, mitogens, pro- and anti-inflammatory factors and other bioactive molecules that are essential regulators in the complex microenvironment of the growing thrombus but also contribute to a number of disease processes. Our understanding of the molecular mechanisms of secretion and the genetic regulation of granule biogenesis still remains incomplete. In this review we summarise our current understanding of the roles of platelet secretion in health and disease, and discuss some of the hypotheses that may explain how platelets may control the release of its many secreted components in a context-specific manner, to allow platelets to play multiple roles in health and disease.
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