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祖細胞

嗅球中的神經祖細胞(綠色)和星形膠質細胞(藍色)

祖細胞(英語:progenitor cell)又稱前驅細胞,是一類與幹細胞相似,具有分化為特定類型細胞的潛能與傾向的細胞。不過,祖細胞比幹細胞更具特異性,其全能性要再低一些,且已被推進到只能向一些「目標細胞」分化。祖細胞和幹細胞之間的最大區別在於,幹細胞能無限複製,而祖細胞只能進行有限次數的複製。目前,學界關於祖細胞的定義仍有一定爭議[1]

有時,一些研究人員會將「祖細胞」(progenitor cell)與「幹細胞」(stem cell)兩詞混用[2]

参考文献

  1. ^ Seaberg, R. M.; Van Der Kooy, D. Stem and progenitor cells: The premature desertion of rigorous definitions. Trends in Neurosciences. 2003, 26 (3): 125–131. PMID 12591214. doi:10.1016/S0166-2236(03)00031-6. 
  2. ^ 道兰氏医学词典中的progenitor cell

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祖細胞
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