Overexpression of LAPTM4B-35 is associated with poor prognosis in colorectal carcinoma

American Journal of Surgery
Yue KangYuenan Huang

Abstract

The purpose of this study was to determine whether lysosome-associated protein transmembrane-4 beta (LAPTM4B) overexpression is associated with the prognosis in patients with colorectal cancer. LAPTM4B expression was evaluated in colorectal cancer patients by Western blot analysis and immunohistochemistry. Univariate and multivariate analyses were performed to determine the association between LAPTM4B expression and prognosis. Among the 136 patients with colorectal cancer, 51 patients had low LAPTM4B expression, and 85 patients had high LAPTM4B expression. The sensitivity and specificity of LAPTM4B overexpression were 62.5% and 100%, respectively. The 5-year overall survival (OS) rates for patients with high and low LAPTM4B expression were 37.38% and 98.04%, respectively (hazard ratio = 22.774; 95% confidence interval [CI], 5.287-98.091; P < .0001). The 5-year disease-free survival rate was 21.15% for patients in the high-expression group and 91.82% for patients in the low-expression group (hazard ratio = 11.674; 95% CI, 3.562-38.263; P < .0001). LAPTM4B overexpression is an independent factor in colorectal cancer prognosis, and it may be an important potential biomarker.

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Citations

Apr 26, 2015·Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine·Man Qiao, Guohua Hu
Nov 4, 2015·Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine·Fanling MengGe Lou
Nov 25, 2014·Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine·Hongying ZhangZhian Gao
Jun 18, 2017·Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine·Bing WangQingyun Zhang
Feb 20, 2019·Journal of Cancer Research and Clinical Oncology·Zixuan YangSameer A Dhayat
Jan 17, 2017·Molecular & Cellular Oncology·Mohammad HashemiMohsen Taheri
Jan 18, 2017·Journal of Neuro-oncology·Xiaoshud DongTaketoshi Maehara

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