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Item number | Size | Datasheet | Manual | SDS | Delivery time | Quantity | Discount | Price |
---|---|---|---|---|---|---|---|---|
AG-45B-0017-KI01 | 96 wells | - |
3 - 9 business days* |
10 %
|
649.00€
584.10€ |
Inducible T-cell costimulatory protein (ICOS, also called CD278, AILIM, H4), a member of the CD28... more
Product information "ICOSL (B7-H2/CD275) (human) ELISA Kit"
Inducible T-cell costimulatory protein (ICOS, also called CD278, AILIM, H4), a member of the CD28 family of costimulatory receptors, has a role in the generation and maintenance of germinal centers (GCs) in lymphatic organs, induction of thymus-dependent (TD) antibody (Ab) responses and antibody class switching. ICOS has a low expression on naïve T cells but is rapidly induced on activated T cells. ICOS binds to the inducible co-stimulator ligand (ICOSL, also called CD275, B7-H2, B7h, B7RP-1) that is found in professional APCs such as dendritic cells (DCs), B lymphocytes, various non-hematopoietic cells such as endothelial cells (ECs), as well as some cancer cells. ICOS activated by ICOSL induces T cell proliferation, survival and differentiation and co-induces the secretion of IL-4, IL-5, IL-6, IL-10, IL-21, TNF-alpha and interferon gamma (IFN-gamma) (whereas CD28 induces IL-2 production). Therefore, ICOS enhances Th1, Th2, and Th17 function largely through augmented production of these effector cytokines. ICOSL is upregulated by TNF-alpha and other inflammatory mediators and has an important co-stimulation role in EC (endothelial cells)-mediated T-cell activation, especially in reactivation of effector/memory T cells on the endothelium, which promote the homing of immune cells into inflamed tissue. As seen in diverse types of costimulatory molecules in the CD28 family in T cells, ICOS is able to deliver a reverse signal through ICOSL that has a direct effect on dendritic cells. ICOS /ICOSL is involved in some hematologic malignancies such as myeloma or lymphoma. ICOS and its ligand (ICOSL) have been shown to play diverse roles in mediating autoimmunity as well as enhancing the development/activity of regulatory T cells. ICOS has a dual role in oncogenesis: i) the costimulatory signal of ICOS/ICOSL clearly participates to an antitumor T-cell response, ii) the ICOS signaling also exhibits pro-tumoral features, which are related to the induction of Treg immunosuppressive effect. In humans, homozygous ICOS deficiency results in common variable immunodeficiency (CVID), a condition characterized by aberrantly low serum gammaglobulin concentration. ICOS/ICOSL pathway is necessary for the optimal therapeutic effect of anti-CTLA-4, thus implicating this pathway as a target for future combinatorial strategies to improve the efficacy of anti-CTLA-4 therapy. ICOSL sheds from the cell membrane and the soluble form of ICOSL (sICOSL), found in plasma and sera, can be a potential biomarker for autoimmune diseases and some cancers.
Keywords: | B7H2, B7-H2, CD275, B7RP-1, ICOSLG, ICOS ligand, B7 homolog 2, B7-like protein Gl50, B7-related protein 1 |
Supplier: | AdipoGen Life Sciences |
Supplier-Nr: | AG-45B-0017 |
Properties
Application: | ELISA |
Species reactivity: | human |
Format: | Solid Phase |
Database Information
KEGG ID : | K06710 | Matching products |
UniProt ID : | O75144 | Matching products |
Gene ID | GeneID 23308 | Matching products |
Handling & Safety
Storage: | +4°C |
Shipping: | +4°C (International: +4°C) |
Caution
Our products are for laboratory research use only: Not for administration to humans!
Our products are for laboratory research use only: Not for administration to humans!
Information about the product reference will follow.
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