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    • 26. 发明公开
    • 성체 포유동물 심근세포의 심장 줄기 세포로의 역분화
    • 成熟哺乳动物心脏细胞分化为心脏干细胞
    • KR1020090085093A
    • 2009-08-06
    • KR1020097011233
    • 2007-11-09
    • 더 존스 홉킨스 유니버시티
    • 매르반에두아르도
    • C12N5/071C12N5/02A61K35/34
    • C12N5/0662C12N5/0657C12N2501/115C12N2501/15C12N2506/1315
    • Dedifferentiation is a mechanism whereby specialized cells regain properties of their ancestors, including, in the extreme, stemness. We found that highly-purified cardiomyocytes isolated from adult mammalian hearts dedifferentiated rapidly when cultured in mitogen-rich medium. Such myocytes reentered the cell cycle and proliferated, expressing stem cell surface markers such as c-kit and early cardiac transcription factors including GATA and NKx2.5. These myocyte-derived cells (MDC) were capable of re-differentiating into myocytes and endothelial cells. Contrary to prevailing dogma, cardiomyocyte dedifferentiation yields proliferative cells expressing stem cell markers and capable of multilineage differentiation. Cardiomyocyte dedifferentiation is a potential source of endogenous stem cells in the adult heart. ® KIPO & WIPO 2009
    • 去分化是一种机制,专门的细胞恢复其祖先的性质,包括极端的干性。 我们发现,在有丝分裂原富集培养基中培养时,从成年哺乳动物心脏分离的高纯度心肌细胞快速分化。 这种肌细胞重新进入细胞周期并增殖,表达干细胞表面标志物,如c-kit和早期心脏转录因子,包括GATA和NKx2.5。 这些肌细胞衍生细胞(MDC)能够重新分化成肌细胞和内皮细胞。 与普遍的教条相反,心肌细胞去分化产生表达干细胞标志物并能够进行多谱系分化的增殖细胞。 心脏细胞去分化是成年心脏内源性干细胞的潜在来源。 ®KIPO&WIPO 2009