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含bFGF的壳聚糖-胶原复合支架对牙周膜细胞生长和增殖的影响
Authors
张伟
李容林
李春阳
Publication date
1 January 2007
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
【目的】探讨含碱性成纤维细胞生长因子(bFGF)的壳聚糖-Ⅰ型胶原复合支架对人牙周膜细胞(HPDLC)生长和增殖的影响。【方法】MTT法观察含bFGF因子壳聚糖-Ⅰ型胶原复合支架浸出液、不含bFGF因子壳聚糖-Ⅰ型胶原复合支架浸出液以及正常细胞培养液对HPDLC生长和增殖的影响,利用流式细胞仪(FCM)检测上述3种液体对HPDLC细胞周期的影响,并将HPDLC接种于含bFGF因子壳聚糖-Ⅰ型胶原复合支架和不含bFGF因子壳聚糖-Ⅰ型胶原复合支架内,通过免疫细胞组织化学和激光共聚焦显微镜来检测HPDLC在复合支架内的存活和增殖情况。【结果】含bFGF因子壳聚糖-Ⅰ型胶原复合支架浸出液对HPDLC生长和增殖的促进作用明显强于不含bFGF因子壳聚糖-Ⅰ型胶原复合支架浸出液和正常细胞培养液.而后两组间无统计学意义;含bFGF因子壳聚糖-Ⅰ型胶原复合支架浸出液促进HPDLC从G1期进入S期;HPDLC在含bFGF因子壳聚糖-Ⅰ型胶原复合支架内的生长和增殖也明显优于不含bFGF因子壳聚糖-Ⅰ型胶原复合支架。【结论】含bFGF因子壳聚糖-Ⅰ型胶原复合支架可以促进体外培养的HPDLC生长和增殖
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Last time updated on 15/10/2024