Expression of TRAP1 in gastric cancer tissue and its correlation with malignant biology.

Abstract:

OBJECTIVE:To study the expression of tumor necrosis factor receptor-associated protein 1 (TRAP1) in gastric cancer tissue and its correlation with malignant biology. METHODS:Gastric cancer tissue and adjacent normal tissue were collected, and mRNA content and protein content of TRAP1 were detected; gastric cancer cell lines SGC7901, BGC823, AGS and MGC803 were cultured, and mRNA contents and protein contents of TRAP1, CyclinB1, CyclinD1, CyclinE, MMP-2 and VEGF were detected. RESULTS:mRNA and protein expression levels of TRAP1 in gastric cancer tissue were significantly higher than those in adjacent normal tissue, and mRNA and protein expression levels of TRAP1 in gastric cancer tissue with muscularis and serosa infiltration, lymph node metastasis, distant organ metastasis and TNM Ⅲ/Ⅳ stage were significantly higher than those in gastric cancer tissue with mucosa and submucosa infiltration, non-lymph node metastasis, non-distant organ metastasis and TNM Ⅰ/Ⅱ stage. mRNA and protein expression levels of TRAP1, CyclinB1, CyclinD1, CyclinE, MMP-2 and VEGF in MGC803 were the highest, and mRNA and protein expression levels of TRAP1, CyclinB1, CyclinD1, CyclinE, MMP-2 and VEGF in SGC7901 were the lowest. mRNA and protein expression levels of TRAP1 in gastric cancer cell lines were positively correlated with mRNA and protein expression of CyclinB1, CyclinD1, CyclinE, MMP-2 and VEGF. CONCLUSIONS:The expression of TRAP1 significantly increases in gastric cancer tissue; TRAP1 may regulate the malignant biology of cells by increasing the expression of CyclinB1, CyclinD1, CyclinE, MMP-2 and VEGF, thereby resulting in the occurrence and development of gastric cancer.

journal_name

Asian Pac J Trop Med

authors

Han P,Wang QL,Zhang X

doi

10.1016/j.apjtm.2015.12.014

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

67-71

issue

1

eissn

1995-7645

issn

2352-4146

pii

S1995-7645(15)00235-7

journal_volume

9

pub_type

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