T-cell receptor beta chain variable region 3, 14, or 17 (TCR Vβ3, TCR Vβ14, TCR Vβ17)

The T-cell receptor beta chain variable regions Vβ3, Vβ14, and Vβ17 are structural domains of the β chain of the T-cell receptor, which is a membrane-bound heterodimer essential for antigen recognition by T cells[1][2][3]. The TCR Vβ region is highly diverse due to somatic recombination, allowing for an enormous range of antigen specificities[1]. Some Vβ domains—such as Vβ3, Vβ14, and Vβ17—are selectively expanded among autoreactive T cells in certain autoimmune diseases, suggesting their involvement in recognizing particular self-antigens presented by disease-associated MHC alleles[2][4]. Structural characterization of these Vβ regions provides insights into antigen specificity, immune tolerance, and breakdown in autoimmunity[2][3][4]. Monitoring and selectively targeting these Vβ regions can have diagnostic and potential therapeutic utility in diseases where pathogenic T cells have restricted Vβ usage[4].\n\nNote: The listing "Vβ3, Vβ14, and Vβ17" refers to related but distinct variable domains within the larger group of T-cell receptor β chain variable regions; each should be considered a separate molecular entity, but are often grouped in disease literature when assessing T-cell clonality or pathogenicity[2][4].

Other names

TCRBV3TCRBV14TCRBV17TRBV3TRBV14TRBV17T-cell receptor V beta 3/14/17TCR Vβ3 domainVβ17 TCR

Targeted monoclonal antibodies may deplete pathogenic T cells expressing specific Vβ chains\nImmune modulation by selective T cell clone depletion or inactivation