她说这也就可以解释为什么试图通过血管生成抑制因子来阻断血管生长信号而阻断肿瘤血液供应的药物通常在六周内失去作用。

She says that this could explain why cancer drugs aimed at choking off a tumor's blood supply by blocking growth signals, known as angiogenesis inhibitors, usually stop working within about 6 months.

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目的探讨直肠癌组织中脑特异性血管生长抑制因子1 (BAI1)基因的表达情况及BAI1对肿瘤血管生成和肿瘤生长的作用。

Objective to explore the expression of brain-specific angiogenesis inhibitor 1 (BAI1) gene in rectal cancer tissues and its effect on growth and angiogenesis of the tumor.

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肿瘤血管生成是肿瘤生长转移的关键步骤，是促血管生成因子和抑制因子作用失衡的结果。

Tumor angiogenesis, resulting from the imbalance of angiogenic cytokines and angiogenesis inhibitors, is crucial for tumor growth and metastasis.

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