Syk: a new player in the field of breast cancer.

Syk: a new player in the field of breast cancer.
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DOI:
10.1186/bcr261
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发表时间:
2001
期刊:
Breast cancer research : BCR
影响因子:
--
通讯作者:
Pietenpol JA
Pietenpol JA
中科院分区:
其他
文献类型:
--
作者:
Stewart ZA;Pietenpol JA

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乳腺癌的发生和发展被认为是一个复杂的、多步骤的过程,包括癌基因激活(如HER2/neu)和肿瘤抑制基因(如p53)的突变或缺失。几十年来,确定乳腺癌发生和转移过程中基因改变的功能一直是研究的焦点。在乳腺癌细胞信号通路中起关键作用的一组蛋白质是酪氨酸激酶。酪氨酸激酶HER2/neu的过度表达在许多人类乳腺癌中被观察到,并且与肿瘤发生增强正相关。最近,另一种酪氨酸激酶Syk被认为是乳腺癌细胞生长和转移的重要抑制剂。最近的这一发现是出乎意料的,因为Syk功能主要与造血细胞信号传导有关,并在本评论中进一步讨论。
Breast tumor development and progression are thought to occur through a complex, multistep process, including oncogene activation (eg HER2/neu) and mutation or loss of tumor suppressor genes (eg p53). Determining the function of genetic alterations in breast carcinoma tumorigenesis and metastasis has been the focus of intensive research efforts for several decades. One group of proteins that play a critical role in breast cancer cell signaling pathways are tyrosine kinases. Overexpression of the tyrosine kinase HER2/neu is observed in many human breast cancers and is positively correlated with enhanced tumorigenesis. Recently, another tyrosine kinase, Syk, has been implicated as an important inhibitor of breast cancer cell growth and metastasis. This recent finding was unexpected, since Syk function has been predominantly linked to hematopoietic cell signaling, and is discussed further in this commentary.
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