PMID- 24457640 OWN - NLM STAT- MEDLINE DCOM- 20141121 LR - 20231206 IS - 1689-0035 (Electronic) IS - 0065-1400 (Linking) VI - 73 IP - 4 DP - 2013 TI - Leukemia inhibitory factor inhibits the proliferation of primary rat astrocytes induced by oxygen-glucose deprivation. PG - 485-94 LID - 1954 [pii] LID - 10.55782/ane-2013-1954 [doi] AB - Leukemia inhibitory factor (LIF) is a neuroprotective cytokine that is necessary for the normal development of astrocytes. Oxygen-glucose deprivation (OGD) can induce astrocyte proliferation by increasing hypoxia-inducible factor alpha (HIF-1alpha) and vascular endothelial growth factor (VEGF). Here, we studied whether LIF affects the proliferation of cultured primary rat astrocytes under OGD conditions by measuring EdU incorporation into astrocyte DNA and the expression of proliferating cell nuclear antigen (PCNA) mRNA and protein. Our findings show that low concentrations of LIF (5 and 10 ng/mL) significantly decreased EdU incorporation and downregulated the expression of PCNA mRNA and PCNA protein in astrocytes subjected to OGD. A low concentration of LIF (10 ng/mL) clearly inhibited astrocyte proliferation induced by OGD, while a higher concentration (50 ng/mL) had no effect. To investigate the mechanism of this inhibition by LIF (10 ng/mL), the expression of 3 related genes (LIF receptor, HIF-1alpha, and VEGF) was assessed using real-time PCR; VEGF protein expression was measured by Western blot. Our results indicate that LIFR mRNA was downregulated in astrocytes subjected to OGD. Interestingly, treatment with LIF further reduced LIFR mRNA expression in these cells. LIF treatment also decreased the expression of HIF-1alpha mRNA, VEGF mRNA, and VEGF protein induced by OGD. Low concentrations of LIF were observed to inhibit astrocyte proliferation induced by OGD. FAU - Fan, Yu-Ying AU - Fan YY AD - Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, China, wangh1@sj-hospital.org. FAU - Zhang, Jun-Mei AU - Zhang JM FAU - Wang, Hua AU - Wang H FAU - Liu, Xue-Yan AU - Liu XY FAU - Yang, Feng-Hua AU - Yang FH LA - eng PT - Journal Article PL - Poland TA - Acta Neurobiol Exp (Wars) JT - Acta neurobiologiae experimentalis JID - 1246675 RN - 0 (Leukemia Inhibitory Factor) RN - 0 (Vascular Endothelial Growth Factor A) RN - IY9XDZ35W2 (Glucose) RN - S88TT14065 (Oxygen) SB - IM MH - Animals MH - Animals, Newborn MH - Astrocytes/cytology/*drug effects MH - Cell Hypoxia/drug effects MH - Cell Proliferation/*drug effects MH - Cell Survival/drug effects/physiology MH - Cells, Cultured MH - Glucose/*metabolism MH - Leukemia Inhibitory Factor/*pharmacology MH - Oxygen/*metabolism MH - Rats MH - Rats, Wistar MH - Vascular Endothelial Growth Factor A/*metabolism EDAT- 2014/01/25 06:00 MHDA- 2014/12/15 06:00 CRDT- 2014/01/25 06:00 PHST- 2014/01/25 06:00 [entrez] PHST- 2014/01/25 06:00 [pubmed] PHST- 2014/12/15 06:00 [medline] AID - 1954 [pii] AID - 10.55782/ane-2013-1954 [doi] PST - ppublish SO - Acta Neurobiol Exp (Wars). 2013;73(4):485-94. doi: 10.55782/ane-2013-1954.