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> home > Products > Primary Antibodies > Antibody Collections > Recombinant Antibodies > Anti-ICOS / CD278 Reference Antibody (feladilimab)
Anti-ICOS / CD278 Reference Antibody (feladilimab)
Recombinant Antibody
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Application 
| FC, E, FTA |
|---|---|
| Primary Accession | Q9Y6W8 |
| Reactivity | Cynomolgus, Human |
| Clonality | Monoclonal |
| Isotype | IgG4PE |
| Calculated MW | 145.52 KDa |
| Target/Specificity | ICOS / CD278 |
|---|---|
| Endotoxin | < 0.001EU/ µg,determined by LAL method. |
| Conjugation | Unconjugated |
| Expression system | CHO Cell |
| Format | Purified monoclonal antibody supplied in PBS, pH6.0, without preservative.This antibody is purified through a protein A column. |
| Name | ICOS |
|---|---|
| Synonyms | AILIM |
| Function | Stimulatory receptor expressed in activated or antigen- experienced T-cells that plays an important role in the immune response (PubMed:9930702). Upon binding to its ligand ICOSL expressed on antigen presenting cells (APCs), delivers costimulatory signals that enhances all basic T-cell responses to a foreign antigen, namely proliferation, secretion of lymphokines including IL10, up-regulation of molecules that mediate cell-cell interaction, and effective help for antibody secretion by B-cells (PubMed:33033255). Acts also as a costimulatory receptor critical for the differentiation of T follicular regulatory cells upon immune challenges such as viral infection (PubMed:27135603). Mechanistically, potentiates TCR-induced calcium flux by augmenting PLCG1 activation and actin remodeling (By similarity). In addition, activates PI3K signaling pathways independently of calcium flux (PubMed:30523347). Essential both for efficient interaction between T and B-cells and for normal antibody responses to T-cell dependent antigens. Prevents the apoptosis of pre-activated T-cells. Plays a critical role in CD40-mediated class switching of immunoglobin isotypes (By similarity). |
| Cellular Location | [Isoform 1]: Cell membrane; Single-pass type I membrane protein |
| Tissue Location | Activated T-cells. Highly expressed on tonsillar T- cells, which are closely associated with B-cells in the apical light zone of germinal centers, the site of terminal B-cell maturation Expressed at lower levels in thymus, lung, lymph node and peripheral blood leukocytes. Expressed in the medulla of fetal and newborn thymus |
Research Areas
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Application Protocols
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$ 385.00
Cat# APR10123
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