S100為轉(zhuǎn)移性腫瘤的形成鋪好溫床
2006-12-29 05:12:23
原發(fā)性腫瘤(Primary tumour)會(huì)釋放可溶性細(xì)胞因子,如VEGF-A,TGFβ和TNFα。在肺的腫瘤轉(zhuǎn)移(tumour metastasis)發(fā)生之前,這些細(xì)胞因子會(huì)在肺中誘發(fā)髓性和內(nèi)皮性細(xì)胞表達(dá)趨化因子(chemokine) S100A8和100A9。這些趨化因子激活的腫瘤轉(zhuǎn)移前的小生境(premetastatic niche)支持了擴(kuò)散的病
原發(fā)性腫瘤(Primary tumour)會(huì)釋放可溶性細(xì)胞因子,如VEGF-A,TGFβ和TNFα。在肺的腫瘤轉(zhuǎn)移(tumour metastasis)發(fā)生之前,這些細(xì)胞因子會(huì)在肺中誘發(fā)髓性和內(nèi)皮性細(xì)胞表達(dá)趨化因子(chemokine) S100A8和100A9。這些趨化因子激活的腫瘤轉(zhuǎn)移前的小生境(premetastatic niche)支持了擴(kuò)散的病變細(xì)胞(malignant cell)的粘附和侵入過程。此后,為真正的轉(zhuǎn)移性腫瘤提供了“肥沃的棲息地”。感興趣的讀者可以查閱英文原文。
深入閱讀:
1.S100 chemokines mediate bookmarking of premetastatic niches
Nature Cell Biology - 8, 1321 - 1323 (2006)
Shahin Rafii & David Lyden
2.Tumour-mediated upregulation of chemoattractants and recruitment of myeloid cells predetermines lung metastasis
Nature Cell Biology - 8, 1369 - 1375 (2006)
Sachie Hiratsuka, Akira Watanabe, Hiroyuki Aburatani & Yoshiro Maru
來源:生命經(jīng)緯