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. 2009 Sep;130(9):648-51.
doi: 10.1016/j.mad.2009.06.007. Epub 2009 Jun 27.

Time-dependent differential gene expression in lysophosphatidic acid-treated young and senescent human diploid fibroblasts

Ji-Heon Rhim  1 , Ik-Soon Jang, Jong-Soon Choi, Hyun Jin Kwon, Eui-Ju Yeo, Sang Chul Park
Affiliations

Time-dependent differential gene expression in lysophosphatidic acid-treated young and senescent human diploid fibroblasts

Ji-Heon Rhim et al. Mech Ageing Dev. 2009 Sep.

Abstract

The gene expression profiles of lysophosphatidic acid (LPA)-treated young and senescent human diploid fibroblasts (HDFs) were examined using cDNA microarray analysis. The expression of some genes, including EGR 1/3 and MRRF, was controlled by LPA similarly in young and senescent cells, showing a typical time-dependent up-and-down expression profile. In contrast, some other genes, including DUSP6, CYR61, and F3, showed sustained upregulation in senescent HDFs later after LPA treatment. These genes might be involved in altered LPA responsiveness during the aging process.

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