Shen Michael M
Center for Advanced Biotechnology and Medicine, 679 Hoes Lane, Piscataway, New Jersey 08854, USA.
J Clin Invest. 2003 Aug;112(4):500-2. doi: 10.1172/JCI19546.
The cell-surface associated molecule Cripto is overexpressed in a wide range of epithelial cancers, yet little is known about potential mechanisms by which Cripto expression might enhance tumorigenesis. A new study reveals that binding of Cripto to the TGF-beta ligand Activin B can block Activin B-mediated suppression of cell proliferation. Furthermore, this study also demonstrates that antibody blockade of Cripto function may prove useful in the inhibition of tumorigenesis.
细胞表面相关分子Cripto在多种上皮癌中过度表达,但对于Cripto表达可能增强肿瘤发生的潜在机制却知之甚少。一项新研究表明,Cripto与转化生长因子-β配体激活素B结合可阻断激活素B介导的细胞增殖抑制作用。此外,该研究还证明,对Cripto功能进行抗体阻断可能对抑制肿瘤发生有用。