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AdipoGen FGL1 (human) ELISA Kit (96 wells)

Supplier: AdipoGen AG45B0022KI01
ELISA Kit. Assay Type: Sandwich. Detection Type: Colorimetric. Sample Type: Cell Culture Supernatant,Plasma,Serum. Range: 7.8 to 500pg/ml. Sensitivity: 1.8pg/ml. FGL1 has been shown to be upregulated in human cancers and FGL1 is a major functional ligand of LAG-3. FGL1 interacts with LAG-3 in an MHC-II-independent manner and this interaction involves the FGL1 fibrinogen-like domain and the LAG-3 D1-D2 domain. FGL1-LAG-3 interaction blockade promotes tumor immunity by stimulating T cell expansion and activation. FGL1 forms two disulfide-linked homodimers and also higher molecular weight homooligomers that bind to LAG-3 much better than the dimeric forms. This binding to LAG-3 inhibits T cell responses. FGL1 is normally released by the liver in low levels but at higher levels in certain cancer such as non-small cell lung carcinomas (NSCLC) . Upregulated FGL1 in human cancers is associated with a poor prognosis.
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