Cellular & Molecular Medicine: Open access

The Function and Molecular Mechanism of Cellular Senescence-Inhibited Gene

To explore the genetic mechanism of replicative senescence, we identified and cloned a Cellular Senescence-Inhibited Gene/ribosomal L1 domain containing 1 (CSIG/RSL1D1) through suppressive subtractive hybridization. CSIG expression is high in earlypassaged human diploid fibroblast cells but decreased during senescence. Our results demonstrated that CSIG inhibited the senescence progression and mediated the apoptosis signaling pathway under ultraviolet (UV) irradiation. Moreover, emerging evidences have indicated that CSIG is involved in other processes including cell cycle regulation and tumor development. This is a brief overview to introduce the studies on the function and molecular mechanism of CSIG

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Author(s):

Liwei Ma, Feng Zhu, Nan Xie, Feng Tian, Ying Sun and Tanjun Tong

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