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血管内皮生长因子(VEGF)特异性抗体贝伐单抗在人类直肠癌中具有抗血管生成作用的直接证据。

Direct evidence that the VEGF-specific antibody bevacizumab has antivascular effects in human rectal cancer.

作者信息

Willett Christopher G, Boucher Yves, di Tomaso Emmanuelle, Duda Dan G, Munn Lance L, Tong Ricky T, Chung Daniel C, Sahani Dushyant V, Kalva Sanjeeva P, Kozin Sergey V, Mino Mari, Cohen Kenneth S, Scadden David T, Hartford Alan C, Fischman Alan J, Clark Jeffrey W, Ryan David P, Zhu Andrew X, Blaszkowsky Lawrence S, Chen Helen X, Shellito Paul C, Lauwers Gregory Y, Jain Rakesh K

机构信息

Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA.

出版信息

Nat Med. 2004 Feb;10(2):145-7. doi: 10.1038/nm988. Epub 2004 Jan 25.

Abstract

The effects of vascular endothelial growth factor (VEGF) blockade on the vascular biology of human tumors are not known. Here we show here that a single infusion of the VEGF-specific antibody bevacizumab decreases tumor perfusion, vascular volume, microvascular density, interstitial fluid pressure and the number of viable, circulating endothelial and progenitor cells, and increases the fraction of vessels with pericyte coverage in rectal carcinoma patients. These data indicate that VEGF blockade has a direct and rapid antivascular effect in human tumors.

摘要

血管内皮生长因子(VEGF)阻断对人类肿瘤血管生物学的影响尚不清楚。在此我们表明,单次输注VEGF特异性抗体贝伐单抗可降低直肠癌患者的肿瘤灌注、血管容积、微血管密度、间质液压力以及存活的循环内皮细胞和祖细胞数量,并增加有周细胞覆盖的血管比例。这些数据表明,VEGF阻断在人类肿瘤中具有直接且快速的抗血管作用。

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