Distinct roles of different fragments of PDCD4 in regulating the metastatic behavior of B16 melanoma cells

被引：9

作者：

Wang, Di ^{[1
]}

Guo, Shu ^{[1
]}

Han, Si-Yuan ^{[1
]}

Xu, Nan ^{[1
]}

Guo, Jia-Yan ^{[1
]}

Sun, Qing ^{[1
]}

机构：

[1] China Med Univ, Hosp 1, Dept Plast Surg, Shenyang 110001, Liaoning, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ONCOLOGY | 2013年 / 42卷 / 05期

关键词：

PDCD4; melanoma; apoptosis; CXCR4; metastasis; TRANSFORMATION SUPPRESSOR PDCD4; DOWN-REGULATION; EUKARYOTIC TRANSLATION; GENE-EXPRESSION; POTENTIAL ROLE; INHIBITION; PROTEIN; TRANSCRIPTION; INITIATION; BINDING;

D O I：

10.3892/ijo.2013.1841

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 [肿瘤学];

摘要：

Melanoma is an aggressive cutaneous malignancy. In this study, we demonstrated that the levels of the programmed cell death 4 (PDCD4) protein and mRNA were lower in tumor tissues compared with normal tissues. In order to further investigate the effects of PDCD4 and its fragments in B16 melanoma cells, we established B16 clones with expression of different PDCD4 fragments. Intact PDCD4, PDCD4 Delta 164-469 and PDCD4 Delta 327-440 expression, respectively, decreased proliferation and migration and increased apoptosis in B16 cells in vitro. We found that intact PDCD4, PDCD4 Delta 164-469 or PDCD4 Delta 327-440 can inhibit the activity of MMP-2 and the expression of CXCR4. However, PDCD4 Delta 164-275 showed no effects on B16 cells. These results may prove helpful for the development of novel therapies for melanoma treatment.

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页码：1725 / 1733

页数：9

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