A Phosphorylation-Related Variant ADD1-rs4963 Modifies the Risk of Colorectal Cancer

Na Shen, Cheng Liu, Jiaoyuan Li, Xueqin Chen, Yang Yang, Ying Zhu, Yajie Gong, Jing Gong, Rong Zhong, Liming Cheng and Xiaoping Miao

PLOS ONE, 2015, vol. 10, issue 3, 1-8

Abstract: It is well-established that abnormal protein phosphorylation could play an essential role in tumorgenesis by disrupting a variety of physiological processes such as cell growth, signal transduction and cell motility. Moreover, increasing numbers of phosphorylation-related variants have been identified in association with cancers. ADD1 (α-adducin), a versatile protein expressed ubiquitously in eukaryotes, exerts an important influence on membrane cytoskeleton, cell proliferation and cell-cell communication. Recently, a missense variant at the codon of ADD1’s phosphorylation site, rs4963 (Ser586Cys), was reported to modify the risk of non-cardia gastric cancer. To explore the role of ADD1-rs4963 in colorectal cancer (CRC), we conducted a case-control study with a total of 1054 CRC cases and 1128 matched controls in a Chinese population. After adjustment for variables including age, gender, smoking and drinking, it was demonstrated that this variant significantly conferred susceptibility to CRC (G versus C: OR = 1.16, 95% CI = 1.03–1.31, P = 0.016; CG versus CC: OR = 1.25, 95% CI = 1.02–1.55, P = 0.036; GG versus CC: OR = 1.35, 95% CI = 1.06–1.72, P = 0.015). We further investigated the interaction of ADD1-rs4963 with smoking or drinking exposure, but found no significant result. This study is the first report of an association between ADD1 and CRC risk, promoting our knowledge of the genetics of CRC.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0121485

DOI: 10.1371/journal.pone.0121485

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