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Oncogene:靶向作用关键受体或可有效阻断卵巢癌转移

2017-03-07 佚名 生物谷

日前,一项刊登在国际杂志Oncogene上的研究报告中,来自伊利诺伊大学的研究人员通过研究发现,阻断卵巢癌细胞表面的一种关键蛋白或许就能有效抑制或降低卵巢癌向其它器官中扩散。 据美国癌症协会数据显示,每年在美国大约会有22440名女性会被诊断为卵巢癌患者,其中大约有1.5万名女性死于卵巢癌,因此卵巢癌

图片摘自:imgarcade.com

日前,一项刊登在国际杂志Oncogene上的研究报告中,来自伊利诺伊大学的研究人员通过研究发现,阻断卵巢癌细胞表面的一种关键蛋白或许就能有效抑制或降低卵巢癌向其它器官中扩散。

据美国癌症协会数据显示,每年在美国大约会有22440名女性会被诊断为卵巢癌患者,其中大约有1.5万名女性死于卵巢癌,因此卵巢癌已经成为引发女性死亡的第五大癌症,而且其还是排名第一的女性生殖系统癌症。研究者Maria Barbolina教授说道,当前我们治疗癌症最大的屏障就是我们并不是非常清楚引发癌症发生扩散的分子,本文研究的目的就是鉴别出指导癌症发生转移的关键分子,同时我们也希望利用这些分子来开发出治疗癌症的新型靶向性药物。

研究人员假设,在其它癌症中利用药物成功靶向作用的生物分子或许在转移性的卵巢癌中也能够被靶向作用,早期研究中,研究者就发现,癌细胞表面一种名为fractalkine受体的蛋白分子在大多数卵巢癌中都会表达,当该受体被另外一种蛋白结合刺激后就会帮助癌症扩散到机体其它器官中。

在这项最新的研究中,研究者Barbolina发现,降低小鼠机体中fractalkine受体蛋白的产生后,肿瘤就不会转移到腹腔壁、肠道或肝脏的附近位点了。几乎三分之一的癌症药物都会靶向作用G蛋白偶联受体,而fractalkine受体就是G蛋白偶联受体中的一员,因此研究人员就推断,阻断fractalkine受体蛋白或许就能够有效抑制卵巢癌发生转移,因为该受体在64%的转移性卵巢癌样本中都能够进行表达。

卵巢癌的症状包括胃胀气、骨盆或腹痛、饱胀感或泌尿道并发症;这种癌症主要发生于年长女性中,大约有一半患者的年龄都在63岁及以上,而且女性在一生中罹患卵巢癌的风险为1/75。

原始出处:

H Gurler Main, J Xie, G G Muralidhar, et al. Emergent role of the fractalkine axis in dissemination of peritoneal metastasis from epithelial ovarian carcinoma. Oncogene,12 December 2016,doi:10.1038/onc.2016.456.

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    2017-12-28 仁者大医
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    2017-03-17 幸运8355

    学习了,感谢分享

    0

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    2017-03-09 zsyan
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