Blood:为何癌症患者容易发生静脉血栓栓塞?

2017-08-15 qinqiyun MedSci原创

癌症患者发生静脉血栓栓塞(VTE)的风险较高。Yohei Hisada和Nigel Mackman在本文中总结一些癌症患者中常见的以及与癌症类型有特异性的VTE的信号通路。

癌症患者发生静脉血栓栓塞(VTE)的风险较高。Yohei Hisada和Nigel Mackman在本文中总结一些癌症患者中常见的以及与癌症类型有特异性的VTE的信号通路。

白细胞、血小板和组织凝血活酶(TF+)细胞微泡增加,都是潜在的风险因子,单独或联合增加癌症相关的血栓栓塞。肺癌结直肠癌患者常伴有白细胞增多。中性粒细胞可以通过释放中性粒细胞的细胞诱导物来增加癌症患者VTE的风险,而单核细胞则通过表达TF来增加癌症患者VTE的风险。血小板增多常见于胃肠癌、肺癌乳腺癌卵巢癌患者,血小板增多可降低发生VTE的临界值。可溶性P选择素被视为一般癌症患者人群的癌症相关血栓的生物标志物,可反映内皮细胞的激活情况。P选择素由内皮细胞表达,会增加白细胞聚集,从而导致VTE的风险提高。

胰腺癌和脑癌的相关研究表明PAI-1增加也可能会导致VTE。尽管TF+细胞微泡增加在多种类型的癌症患者中都有观察到,但仅在胰腺癌患者中观察到TF+微泡与VTE有相关性。在脑癌患者的VTE中观察到平足蛋白表达,平足蛋白可激活血小板。

未来研究应检测各种癌症中的多种生物指标,以确定多种生物指标的联合是否可以预测VTE。对癌症患者VTE风险增加的通路的了解或许可以促进新的治疗方案的进展,从而减少血栓的发生率以及血栓相关的死亡率。

原始出处:

Yohei Hisada and Nigel Mackman.Cancer-associated pathways and biomarkers of venous thrombosis.Blood.August 14,2017.https://doi.org/10.1182/blood-2017-03-743211

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    2018-02-01 fusion
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    2017-10-02 xue8602
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    2017-08-15 三生有幸9135

    学习一下谢谢分享

    0

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    2017-08-15 1e0f8808m18(暂无匿称)

    癌栓临床上常见的并发症。

    0

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