Abstract：OBJECTIVE To discuss the effect of feiliuping ointment on proliferation, angiogenesis and PI3K/AKT pathway of rat bone marrow-derived endothelial progenitor cells (EPCs) in A549 lung tumor cells supernatant. METHODS Bone marrow mononuclear cells were isolated from Sprague-Dawley rats by density gradient centrifugation methods and cultured in EGM-2 MV medium. And fluorescent immunocytochemistry was used to detect CD133 and vascular endothelial growth factor receptor 2 (VEGFR2) expression. EPCs were treated with 0.9% sodium chloride solution (blank control) or serum of rats treated with high dose and low dose Feiliuping ointment for 48 h to explore the concentration-effect, or with serum of rats treated with high dose feiliuping ointment for 0, 12, 24, 48 h to explore the time-effect. MTT assay and Matrigel method were used to detect the proliferation and angiogenesis of EPCs. The NF-κB, p-Akt, PI3K p85 proteins of EPCs were detected by Western blot. RESULTS After induced culture for 7 d, the isolated bone marrow mononuclear cells exhibited round or short spindle-shaped appearance, were Dil-Ac-LDL and FITC-UEA-1 positive, and expressed CD133+VEGFR2+. After being treated with high dose feiliuping ointment serum for 48 h, OD490 nm value was lower than that in the control group or low dose feiliuping ointment group (P<0.05). The inhibition effect of rat serum after Feiliuping ointment administration on EPCs was dose-dependent and time-dependent. Matrigel tube formation assays showed that the counts of tube formation of EPCs in high dose Feiliuping ointment group was lower than that in control group or low dose of feiliuping ointment group (P<0.05). And the levels of NF-κB, p-Akt, PI3K p85 proteins in high dose of feiliuping ointment group were lower than those in control group(P<0.01). CONCLUSIONS Treatment with administration can Feiliuping ointment serum would inhibit the proliferation and tube formation of bone marrow-derived EPCs in A549 supernatant via the down-regulation of PI3K/AKT signaling pathway.
胡彦辉, 崔庆丽, 马东阳, 耿良, 于卫江. 肺瘤平膏通过PI3K/Akt通路抑制肺癌细胞上清诱导的骨髓源性内皮祖细胞管腔形成活性研究[J]. 中国药学杂志, 2020, 55(8): 611-615.
HU Yan-hui, CUI Qing-li, MA Dong-yang, GENG Liang, YU Wei-jiang. Effect of Feiliuping Ointment on Angiogenesis of Bone Marrow-derived Endothelial Progenitor Cells in Tumor Cells Supernatant via PI3K/AKT Pathway. Chinese Pharmaceutical Journal, 2020, 55(8): 611-615.
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2020, Vol. 55 
