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INDUCTION OF MYOCARDIUM CELLS FROM P19 CELLS USING DIMETHYL SULFOXIDE IN VITRO
Author(s): 
Pages: 219-222
Year: Issue:  2
Journal: ACTA ANATOMICA SINICA

Keyword:  二甲基亚砜心肌细胞细胞分化细胞培养P19细胞;
Abstract: 目的观察P19细胞经二甲基亚砜(DMSO)诱导及不同培养方法,培养形成细胞聚集体并向心肌分化的过程.方法将P19细胞接种于Petri塑料培养皿或铺有0.5%软琼脂的培养皿中,DMSO诱导悬浮培养7 d形成细胞聚集体,将聚集体用生长培养基黏附培养至19 d.观察细胞跳动情况,用α-sarcomeric actin、cardiac Troponin T(cTnT)抗体进行免疫组织化学染色,鉴定细胞分化.结果经DMSO诱导7d,将形成的细胞聚集体用生长培养基黏附培养至15 d,在聚集体周围的生长晕中出现自发性节律跳动的细胞团片,α-sarcomeric actin及cTnT染色阳性,至19d,阳性率分别可达26%和15%.结论 DMSO诱导结合聚集体形成培养方法可诱导P19细胞向心肌细胞分化,并出现自发性有节律跳动.
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