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Identification and characterization of CMTM4, a novel gene with inhibitory effects on HeLa cell growth through
Markus Plate1, Ting Li, Yu Wang
1Center for Human Disease Genomics, Department of Immunology, School of Basic Medical Science, Health Science Center, Peking University, Beijing, 100191, China.
Abstract:
Human CMTM is a novel gene family consisting of CKLF and CMTM1-8. CMTM4 is the most conserved gene and has three RNA splicing forms designated as CMTM4-v1, -v2 and -v3, but in many types of tissue and cell lines, only CMTM4-v1 and -v2 could be detected. CMTM4-v2 is the full length cDNA product, which has been highly conserved during evolution. CMTM4-v1 and -v2 are broadly expressed in normal types of tissue. They are distributed on the cell membrane and across the cytoplasm in a speckled pattern. Overexpression of CMTM4-v1 and -v2 can inhibit HeLa cell growth via G2/M phase accumulation without inducing apoptosis. Therefore, CMTM4 might be an important gene involved in cell growth and cell cycle regulation.
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