Human ICOSLG (ICOS ligand) ELISA Kit

Product specifications

ELISA Kits

Human

Colorimetric

4 hours

Sandwich ELISA, Double Antibody

0.156-10ng/ml

0.094ng/ml

96T

ELISA

Serum, Plasma, Cell Culture Supernatant, cell or tissue lysate, Other liquid samples

Shipped within 10-14 working days.

2-8 °C for 12 months

O75144

ICOS ligand, B7RP1,CD275,ICOSL,LICOS,B7RP-1,ICOS-L,IMD119,B7 homolog 2

Elisa kits for ICOSLG

RUO

Inducible T-cell costimulator ligand (ICOSLG), also known as B7-H2 or CD275, is a critical immunoregulatory protein in the B7 family that provides costimulatory signals to T cells. ICOSLG serves as a ligand for ICOS (Inducible T-cell Costimulator), a receptor expressed on activated T cells. Through its interaction with ICOS, ICOSLG plays an essential role in modulating adaptive immune responses, particularly influencing T-cell differentiation, proliferation, and the formation of memory T cells. This interaction is crucial for both protective immunity and immune tolerance, enabling the immune system to respond robustly to pathogens while preventing autoimmunity. ICOSLG is primarily expressed on antigen-presenting cells (APCs), such as B cells, dendritic cells (DCs), macrophages, and certain epithelial cells in mucosal tissues. Its expression is inducible and can be upregulated during inflammation or immune activation by signals from pro-inflammatory cytokines like interferon-gamma (IFN-γ). The ICOS/ICOSLG axis is especially important for the regulation of germinal center formation in lymphoid tissues, where it facilitates B cell differentiation and antibody production. ICOSLG is also implicated in the maintenance of regulatory T cells (Tregs) and T-helper 17 (Th17) cells, thereby contributing to immune homeostasis and controlling inflammation.

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