Transforming growth factor-beta and breast cancer: Lessons learned from genetically altered mouse models.

Transforming growth factor-beta and breast cancer: Lessons learned from genetically altered mouse models.
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转化生长因子β和乳腺癌:从遗传改变的小鼠模型中学到的经验教训。

DOI:
10.1186/bcr41
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发表时间:
2000
期刊:
Breast cancer research : BCR
影响因子:
--
通讯作者:
Dukhanina O
Dukhanina O
中科院分区:
其他
文献类型:
--
作者:
Wakefield LM;Yang YA;Dukhanina O

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转化生长因子(TGF)-β是乳腺肿瘤的可能候选抑制因子。然而,在某些情况下,它们也具有致癌活性。基因改变的小鼠模型提供了强大的工具来分析TGF-β在整个动物背景下的复杂作用。TGF-β的过表达可以抑制乳腺中的肿瘤发生,提高了使用药理学试剂局部增强TGF-β功能可能是乳腺癌化学预防的有效方法的可能性。相反,TGF-β反应的丧失增加了乳腺中的自发性和诱导性肿瘤发生。这证实了内源性TGF-β在乳腺中具有肿瘤抑制活性,并表明在一些人乳腺增生中观察到的TGF-β受体的缺失可能在肿瘤发展中起因果作用。
Transforming growth factor (TGF)-βs are plausible candidate tumor suppressors in the breast. They also have oncogenic activities under certain circumstances, however. Genetically altered mouse models provide powerful tools to analyze the complexities of TGF-βaction in the context of the whole animal. Overexpression of TGF-β can suppress tumorigenesis in the mammary gland, raising the possibility that use of pharmacologic agents to enhance TGF-β function locally might be an effective method for the chemoprevention of breast cancer. Conversely, loss of TGF-β response increases spontaneous and induced tumorigenesis in the mammary gland. This confirms that endogenous TGF-βs have tumor suppressor activity in the mammary gland, and suggests that the loss of TGF-β receptors seen in some human breast hyperplasias may play a causal role in tumor development.
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发表时间: 1995-05-09
影响因子: 11.1
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