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Title 

The EF-hand calcium-binding protein tescalcin is a potential oncotarget in colorectal cancer

Authors 

Yun Hee KangS R HanJong Tae KimSeon-Jin LeeYoung Il YeomJeong Ki MinChul Ho LeeJae Wha KimSuk Ran YoonD Y YoonK S HongG S HwangH C KimY H LeeHee Gu Lee

Publisher 

Impact Journals

Issue Date 

2014

Citation 

Oncotarget, vol. 5, no. 8, pp. 2149-2160

Keywords 

Cell growthColorectal cancerNF-κBTescalcinTumor growth

Abstract 

Tescalcin (TESC) is an EF-hand calcium binding protein that is differentially expressed in several tissues, however it is not reported that the expression and functional roles of TESC in colorectal cancer. Levels of messenger RNA (mRNA) and protein expression of TESC in colorectal cancer tissues were assessed using RT-PCR, real time PCR, immunohistochemistry, and clinicopathologic analyses. Quantitative analysis of TESC levels in serum specimens was performed using sandwich ELISA. Colorectal cancer cells transfected with TESC small interfering RNA and short hairpin RNA were examined in cell proliferation assays, phospho-MAPK array, and mouse xenograft models. Here we demonstrated that TESC is overexpressed in colorectal cancer (CRC), but was not expressed in normal mucosa and premalignant dysplastic lesions. Furthermore, serum TESC levels were elevated in patients with CRC. Knockdown of TESC inhibited the Akt-dependent NF-κB pathway and decreased cell survival in vitro. Depletion of TESC reduced tumor growth in a CRC xenograft model. Thus, TESC is a potential diagnostic marker and oncotarget in colorectal cancer.

ISSN 

1949-2553

Link 

http://dx.doi.org/10.18632/oncotarget.1851

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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