他们把这三组因子的基因搭载到一种病毒上，再用病毒感染被称作外分泌细胞的另一种类型的胰腺细胞。
They hitched the genes for these three factors onto a virus that infects another type of pancreatic cell, known as an exocrine cell.
该基因编码的一种蛋白质，也被称为趋化因子受体CXCR4，同样有助于艾滋病毒感染免疫细胞。
The gene codes for a protein, also called CXCR4, that also helps HIV infect immune cells.
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