Is EGR1 a potential target for prostate cancer therapy?

Is EGR1 a potential target for prostate cancer therapy?
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DOI:
10.2217/fon.09.67
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发表时间:
2009-09
期刊:
Future oncology (London, England)
影响因子:
--
通讯作者:
Baron VT
Baron VT
中科院分区:
其他
文献类型:
--
作者:
Gitenay D;Baron VT

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前列腺癌是美国男性癌症相关死亡的主要原因,寻找新的治疗策略仍然是一个挑战。早期生长反应-1 (Early growth response-1, EGR1)是一种参与细胞增殖和细胞凋亡调控的转录因子。尽管EGR1一直被认为是一种肿瘤抑制因子,但大量的新证据表明,EGR1促进了前列腺癌的进展。本文综述了EGR1功能的矛盾之处。虽然EGR1通过调节肿瘤抑制网络介导应激和DNA损伤时的细胞凋亡,但其促进前列腺癌细胞增殖的机制尚不完全清楚。因此,EGR1可能通过异位表达联合放疗或化疗或直接抑制全身治疗成为前列腺癌治疗的靶点。讨论了在治疗环境中拮抗EGR1功能的可能策略。
Prostate cancer is a major cause of cancer-related death in American men, for which finding new therapeutic strategies remains a challenge. Early growth response-1 (EGR1) is a transcription factor involved in cell proliferation and in the regulation of apoptosis. Although it has long been considered a tumor suppressor, a wealth of new evidence shows that EGR1 promotes the progression of prostate cancer. This review addresses the paradoxes of EGR1 function. While EGR1 mediates apoptosis in response to stress and DNA damage by regulating a tumor suppressor network, it also promotes the proliferation of prostate cancer cells by a mechanism that is not fully understood. Thus, EGR1 might be targeted for prostate cancer therapy either by ectopic expression in combination with radiotherapy or chemotherapy, or by direct inhibition for systemic treatment. Possible strategies to antagonize EGR1 function in a therapeutic setting are discussed.
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