Please refer to the vial lable for the specific concentration.
Purification:
Protein A/G
Molecular Weight:
28.9 kDa
Immunogen:
ICOSLG
Buffer:
Supplied in PBS
Storage:
Short Term: 2-8 degree. Long Term: -20 degree. Avoid multiple freeze-thaw cycles.
General Information
Background:
ICOS ligand (ICOSLG, ICOSL or GL50) is a protein that in humans is encoded by the ICOSLG gene located at chromosome 21. ICOSLG has also been designated as CD275 (cluster of differentiation 275). ICOSLG is glycosylated transmembrane structure, which is classified as a member of the B7 family due to the significant homology with B7 family members. The B7/CD28 superfamily provides both positive and negative co-signals to immunocytes in immune responses. ICOSLG, which is extensively expressed in both non-lymphatic and lymphatic tissues, is an important molecule in upregulating and promoting T cell immune responses. Expression of ICOSLG in naive B cells and monocytes in PBMCs is at a low level. After stimulation by IFN-γ, TNF-α, or LPS, it can be quickly up-regulated. The induced expression of ICOS on activated T cells mainly regulates the secretion of Th2 cytokines and thus shifts the immune response to the Th2 type. It has been reported that the ICOS/ICOSLG pathway is involved in immunopathogenesis such as infection, hypersensitivity, autoimmune diseases, transplantation immunity and tumor immunity.
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