T-cell receptor beta variable 25 orphon (TRBV25-1)

T-cell receptor beta variable 25 orphon is a variable gene segment of the T-cell receptor beta chain (TRB), specifically one of the many V segments involved in generating receptor diversity in T lymphocytes by V(D)J recombination. These segments code for the variable region of the beta chain of the T-cell receptor (TCR), a surface protein complex essential for antigen recognition in adaptive immunity. The "orphon" designation means that this gene segment is located outside the main TRB locus on chromosome 7 and is not regularly used in TCR recombination. The TCR is a heterodimeric receptor on the surface of T cells, essential for the immune response by enabling T cells to recognize peptide antigens presented by major histocompatibility complex (MHC) molecules. While the full receptor complex is therapeutically relevant (for example in cancer immunotherapy), single variable gene segments like TRBV25-1 (an orphon) are not considered standalone therapeutic targets—rather, they are genetic building blocks of the full TCR receptor diversity. Important notes: - This gene segment is not a functional receptor or therapeutic target on its own; reference to it as a “target” is inaccurate. - The abundance of aliases reflects historic gene annotation inconsistencies, but standardized nomenclature (IMGT) strongly prefers “TRBV25-1” for this segment. - Orphon variable gene segments are typically not expressed or recombined into functional receptors. Summary of limitations/appropriateness: - The query describes a gene segment, not a functional receptor or direct drug target. - Metadata about drugs, mechanisms, biomarkers, and safety is not relevant to gene segments of this type. - Reference to this as a receptor is misleading; it is a gene segment used for generating receptor diversity via somatic recombination.

Other names

TRBV25/OR9-2TRBV25OR9-2TCRBV11S2OTCRBV25S2T-cell receptor, beta variable region 11, orphonTCRBV11O