细胞产品，由于具有可复制性，能够在实验室、科研小组甚至是商家之间通过自行复制来传递。由此带来的不可避免的现象就是细胞污染。国际细胞系认证委员会（ICLAC）已公布目前至少有400余种细胞系已受到了全部污染，更有研究表明guoneisuojianderenyuanxingxibaoxidabufendoushicuode。youbeijiaochawuranhuocuowubianshidexibaoxidaozhideyanjiujieluncuowu、jieguobukezhongfuyijilinchuangxibaozhiliaozhongchanshengdezainanxinghouguo，yijingyanzhonglangfeikeyanzhedeshijian、jinglihejinqian，tongshiyerangkeyanzhementoutengbuyi。

jianyuci，nih、atcc、naturehesciencedengjinnianduiciduocifachuhuyu，yaoqiuyanjiuzheduixibaojinxingjianding。naturezazhigengshicong2015nian5yueqijiuyaoqiutougaozheshenchalunwenzhongshiyongdexibaoxi，yicilaiquebaoshiyanshujudezhunquexing。jixibaoxijinxingyanmingzhengshen，yichengweikaizhankeyangongzuodeshouyaorenwu。

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