CD96 (Cluster of Differentiation 96) or Tactile (T cell activation, increased late expression) is a protein that in humans is encoded by the CD96gene.[5] CD96 is a receptor protein which is expressed on T cells and NK cells and shares sequence similarity with CD226 (also known as DNAM-1).[6] The protein encoded by this gene belongs to the immunoglobulin superfamily. It is a type I membrane protein. The protein may play a role in the adhesion of activated T and NK cells to their target cells during the late phase of the immune response. It may also function in antigen presentation[citation needed]. Alternative splicing occurs at this locus and two transcript variants encoding distinct isoforms have been identified. CD96 is a transmembrane glycoprotein that has three extracellular immunoglobulin-like domains and is expressed by all resting human and mouse NK cells. CD96 main ligand is CD155. CD 96 has approximately 20% homology with CD226 and competed for binding to CD155 with CD226.[7]
Function
The protein encoded by this gene belongs to the immunoglobulin superfamily. It is a type I membrane protein. The protein may play a role in the adhesive interactions of activated T and NK cells during the late phase of the immune response. It may also function in antigen presentation. Alternative splicing generates multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Jan 2016].
^Fuchs, Anja; Colonna, M. (October 2006). "The role of NK cell recognition of nectin and nectin-like proteins in tumor immunosurveillance". Semin. Cancer Biol. 16 (5): 359–366. doi:10.1016/j.semcancer.2006.07.002. PMID16904340.
^Smyth, Mark J.; Martinet, L. (March 2015). "Balancing natural killer cell activation through paired receptors". Nature Reviews Immunology. 15 (4): 243–254. doi:10.1038/nri3799. PMID25743219. S2CID20825600.
Wu Y, Xiao M, Zhu L, Zhou XX, Gong Q, Xin X, Li CR, Zhou JF, Deng JN (June 2011). "[CD96 expression on bone marrow mononuclear cells in 91 patients with acute leukemia]". Zhongguo Shi Yan Xue Ye Xue Za Zhi (in Chinese). 19 (3): 585–8. PMID21729528.
Chávez-González A, Dorantes-Acosta E, Moreno-Lorenzana D, Alvarado-Moreno A, Arriaga-Pizano L, Mayani H (May 2014). "Expression of CD90, CD96, CD117, and CD123 on different hematopoietic cell populations from pediatric patients with acute myeloid leukemia". Arch. Med. Res. 45 (4): 343–50. doi:10.1016/j.arcmed.2014.04.001. PMID24751333.