Fig. 1From: CCR5-Δ32 biology, gene editing, and warnings for the future of CRISPR-Cas9 as a human and humane gene editing toolThe HIV infection process (a): The HIV GP-120 first associates with both the CD4 and CCR5 on the surface of a cell, which is the first step in viral invasion and further viral replication. Molecular mechanism of CCR5 in HIV infection and the protective effect of cytoplasmic CCR5-Δ32 against HIV-1 infection (b)Back to article page