飾膠蛋白聚糖對(duì)翼狀胬肉成纖維細(xì)胞增殖的影響
[Abstract]:[objective] to observe the effect of core proteoglycan DCN on the proliferation of human pterygium fibroblasts (HPF) in vitro, and to find a new way to treat and prevent the recurrence of pterygium by comparing the effect of mitomycin on HPF. [methods] 1. Human pterygium fibroblasts were cultured by tissue mass adherent culture. 2. 10 mg / L DCN and MMC were used to observe the morphological changes of HPF cells in vitro after treated with 0. 01 mg / L DCN and 10 mg / L MMC. The two drugs were exposed to different concentrations for 12 h or 24 h, respectively. After 48 hours, the effects of the two drugs were compared by MTT method. The cell growth activity was detected by immunohistochemical staining of proliferating cell nuclear antigen (PCNA) after 48 hours of exposure to different concentrations of DCN, and the phase changes of cell cycle were measured by flow cytometry. [results] the MMC of 10 mg/L DCN,1mg/L detected by MTT could significantly inhibit the proliferation of HPF (P0.05) in a dose-and time-dependent manner after 12 h. The results of flow cytometry showed that after 48 h of DCN treatment, the proliferation of HPF was significantly inhibited. The percentage of DCN G0/G1 phase cells in 1-10mg/L increased (P0.05), while the percentage of 5-10mg/LS phase cells and the proliferation rate (G2 / M% S%) decreased significantly (P0.05). No end-stage apoptotic cells were detected in the experimental group and the control group. When the concentration of DCN was in the range of 1-10 mg/L, the expression of PCNA was inhibited in a concentration-dependent manner (P0.05). [conclusion] Glucoglycan can inhibit the proliferation of HPF. Flow cytometry showed that DCN blocked the cells in the early stage of DNA synthesis.
【學(xué)位授予單位】:暨南大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2010
【分類號(hào)】:R777.33
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