摘要最新发现了一种与肿瘤多药耐药机制相关的药物排出泵—三磷酸腺苷结合转运蛋白G超家族成员2（Adenosine triphosphate-binding cassette superfamily G member 2,ABCG2）,ABCG2被认为是侧群（side population,SP）细胞的表型,是一种潜在的干细胞分子标志[1]。
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