The intricacies of self-lipid antigen presentation by CD1b

Publication date: December 2018Source: Molecular Immunology, Volume 104Author(s): Adam ShahineAbstractThe CD1 family of glycoproteins are MHC class I-like molecules that present a wide array of self and foreign lipid antigens to T-cell receptors (TCRs) on T-cells. Humans express three classes of CD1 molecules, denoted as Group 1 (CD1a, CD1b, and CD1c), Group 2 (CD1d), and Group 3 (CD1e). Of the CD1 family of molecules, CD1b exhibits the largest and most complex antigen binding groove; allowing it the capabilities to present a broad spectrum of lipid antigens. While its role in foreign-lipid presentation in the context of mycobacterial infection are well characterized, understanding the roles of CD1b in autoreactivity are recently being elucidated. While the mechanisms governing proliferati...

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