This antibody recognizes the same epitope as
clone
9D9.
Cytotoxic T-lymphocyte associated protein 4, (CTLA-4) also known as CD152 (cluster of differentiation 152), is a protein receptor that functions as an immune checkpoint and downregulates immune responses. CTLA-4 is constitutively expressed in regulatory T cells but only upregulated in conventional T cells after activation – a phenomenon which is particularly notable in cancers. CTLA-4 may also function via modulation of cell motility and/or signaling through PI3 kinase.