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OGR1 mediates the inhibitory effects of acidic environment on proliferation and angiogenesis of endothelial progenitor cells.
This study attempted to whether OGR1 mediates the effects of acid on proliferation, migration, and angiogenesis in EPCs. FITC-UEA-I and Dil-Ac-LDL double-staining methods were used to identify EPCs. Expression of OGR1 was analyzed by RT-PCR and western blot after incubation in media ranging in pH, cell counting kit-8 and cell cycle analysis were used to analyze proliferation and cell cycle distribution. Scratch test, transwell migration assay, and tube formation experiments were performed to analyze migration and vascularization of EPCs after silencing OGR1 with siRNA. The result show EPCs were positive for FITC-UEA-I and ...
Source: Cell Biology International - May 21, 2019 Category: Cytology Authors: Ding S, Xu J, Zhang Q, Chen F, Zhang J, Gui K, Xiong M, Li B, Ruan Z, Zhao M Tags: Cell Biol Int Source Type: research

Dopamine induces growth inhibition and vascular normalization through reprograming M2-polarized macrophages in rat C6 glioma.
Abstract Dopamine (DA), a monoamine catecholamine neurotransmitter with antiangiogenic activity, stabilizes tumor vessels in colon, prostate and ovarian cancer, thus increases chemotherapeutic efficacy. Here, in the rat C6 glioma models, we investigated the vascular normalization effects of DA and its mechanisms of action. DA (25, 50 mg/kg) inhibited tumor growth, while a precursor of DA (levodopa) prolonged the survival time of rats bearing orthotopic C6 glioma. DA improved tumor perfusion, with significant effects from day 3, and a higher level at day 5 to 7. In addition, DA decreased microvessel density and hyp...
Source: Toxicology and Applied Pharmacology - March 25, 2015 Category: Toxicology Authors: Qin T, Wang C, Chen X, Duan C, Zhang X, Zhang J, Chai H, Tang T, Chen H, Yue J, Li Y, Yang J Tags: Toxicol Appl Pharmacol Source Type: research