DEPDC1B knockdown inhibits the development of malignant melanoma through suppressing cell proliferation and inducing cell apoptosis.

Abstract:

:Malignant melanoma (MM) remains the leading cause of skin cancer related death, which has very poor prognosis because of locoregional recurrence and distant metastasis. DEPDC1B (DEP domain-containing protein 1B), has been proved to be associated with some types of malignant tumors. However, the role of DEPDC1B in MM is still unknown. In this study, the expression levels of DEPDC1B in MM tissues were detected by IHC. DEPDC1B knockdown cell lines were constructed, evaluated by Western blot and qRT-PCR, and also used for construction of mice xenograft models. Cell proliferation and apoptosis were investigated by MTT, colony formation assay and flow cytometry, respectively. The results indicated significantly up-regulated expression of DEPDC1B in tumor tissues. Moreover, knockdown of DEPDC1B could inhibit cell proliferation while inducing cell apoptosis. The in vivo study demonstrated the significant suppression of tumor growth by knockdown of DEPDC1B. Finally, the results of antibody array proved the up-regulation of pro-apoptotic proteins and the down-regulation of anti-apoptotic proteins by DEPDC1B knockdown. Therefore, it could be concluded that DEPDC1B was involved in the development and progression of MM, which may act as promotor for MM and could be a potential therapeutic target.

journal_name

Exp Cell Res

authors

Xu Y,Sun W,Zheng B,Liu X,Luo Z,Kong Y,Xu M,Chen Y

doi

10.1016/j.yexcr.2019.03.021

subject

Has Abstract

pub_date

2019-06-01 00:00:00

pages

48-54

issue

1

eissn

0014-4827

issn

1090-2422

pii

S0014-4827(18)31088-7

journal_volume

379

pub_type

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