It is worth mentioning that some other components of exosomes also inhibit HIV-1 infection, mainly different cytokines, which include interleukins (ILs), interferon-alpha (IFN-α), interferon-beta (IFN-β), and tumor necrosis factor (TNF-α) [82,83,84,85,86]. This evidence concerns the gene IFNB1 and HIV-1 infection.