cell-derived英'seldɪr'aɪvd美'seldɪr'aɪvdBNC²³⁶²¹³⁺¹ 基本例句 细胞衍生的¹⁰⁰ Here we describe an unexpected role of specific PcG genes in allowing adult stem cell differentiation and preventing stem cell-derived tumor development. 失去这些基因功能的干细胞无法进行分化，但不断进行自我繁殖，从而导致肿瘤的发生。 biomart