PPAR[gamma]2 exerts a tumor suppressive effect in human prostate cancer
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ABSTRACT: The nuclear receptor PPAR[gamma] is a master regulator controlling energy metabolism and cell fate in the prostate. One advanced human prostate cancer cell line PC3 was used to examine the effects of restoration of PPAR[gamma]2 action. Restoration of PPAR[gamma]2 action in PC3 cells inhibited cell proliferation and migration. PC3-PPAR[gamma]2 cDNA recombinants showed necrosis in cancer region and lymphocyte infiltration in surrounding stroma by H&E staining. They expressed low microtubules associated protein 1 light chain 3 (LC3), and high mixed lineage kinase domain-like (MLKL), CD4 and CD8 protein expression levels compare to the control by IHC staining. Gain-of-function of PPAR[gamma]2 in PC3 cells resulted in reprogramming of lipid and energy metabolism-associated signaling pathways by microarray analysis. These data are consistent with the idea that PPAR[gamma] action specific to PPAR[gamma]2, exerts a crucial tumor suppressive role on triggering autophagy and necroptosis in human prostate cancer initiation and progression.
ORGANISM(S): Homo sapiens
PROVIDER: GSE108309 | GEO | 2020/12/10
REPOSITORIES: GEO
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