Coreceptor competition for association with CD4 may change the susceptibility of human cells to infection with T-tropic and macrophagetropic isolates of human immunodeficiency virus type 1.

共受体竞争与 CD4 结合可能会改变人类细胞对 T 嗜性分离株和巨噬细胞嗜性分离株感染的易感性，而这些分离株是人类免疫缺陷病毒 1 型