Abstract Background In the acute phase of infection with feline immunodeficiency virus (FIV). the virus targets activated CD4+ T cells by utilising CD134 (OX40) as a primary attachment receptor and CXCR4 as a co-receptor. The nature of the virus-receptor interaction varies between isolates; strains such as GL8 and CPGammer recognise a "complex" determinant on CD134 formed by cysteine-... https://unitedssports.shop/product-category/boxing-targets/