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  • Title: Upregulation of PRDM5 Is Associated with Astrocyte Proliferation and Neuronal Apoptosis Caused by Lipopolysaccharide.
    Author: Zhang Y, Liu X, Xue H, Liu X, Dai A, Song Y, Ke K, Cao M.
    Journal: J Mol Neurosci; 2016 May; 59(1):146-57. PubMed ID: 27074744.
    Abstract:
    PRDM5 (PR domain containing 5) belongs to PRDM family which consists of transcriptional regulators that modulate cellular processes such as cell growth, differentiation and apoptosis. However, the function of PRDM5 in central nervous system (CNS) inflammatory response is unknown. In recent study, an adult rat neuroinflammation model via lipopolysaccharide (LPS) lateral ventricle injection was constructed. PRDM5 expression was increased in activated astrocytes and apoptotic neurons of the adult rat cerebral cortex after LPS injection. In vitro studies showed that the remarkable upregulation of PRDM5 might be involved in rat primary astrocyte proliferation and rat primary neuronal apoptosis in the cerebral cortex following LPS administration. In addition, using PRDM5 RNA interference both in rat primary asrtocytes and neurons, further indicated that PRDM5 was required for astrocyte proliferation and neuronal apoptosis induced by LPS. Our findings on the cellular signaling pathway may provide a new therapeutic strategy against neuroinflammation in the CNS.
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