【摘 要】
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Summary: The inhibitory effects ofparthenolide (PTL) on angiogenesis induced by multiple myeloma (MM) cells in vitro, and the mechanism were investigated. Human
【机 构】
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Institute of Hematology
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Summary: The inhibitory effects ofparthenolide (PTL) on angiogenesis induced by multiple myeloma (MM) cells in vitro, and the mechanism were investigated. Human MM line RPMI8226 cells were cultured in vitro. The effects of MM culture supernatant on the migration and tubule formation ability of human umbilical vein endothelial cells (HUVECs) treated with PTL were observed. By using Western blot, the expression of p65 and IκB-α in MM cells was detected. RT-PCR was used to assay the expression of VEGF, IL-6, MMP2 and MMP9 mRNA in MM cells. ELISA was used to measure the levels of VEGF and IL-6 in MM cell culture supernatant. The expression of MMP2 and MMP9 in MM cells was examined by immunohistochemistry. (1) In 3.5, 5.0, 7.5 and 10 μmol/L PTL groups the number of migrated cells was 310±56, 207±28, 127±21 and 49±10 respectively, which was significantly different from that in positive control group (598±47) (P
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