assay
≥98% (HPLC)
form
powder
color
white to beige
solubility
DMSO: 2 mg/mL, clear
storage temp.
2-8°C
Quality Level
Application
GPR34 Antagonist, T8848 may be used to investigate the effects of pharmacological inhibition of GPR34 on microglial dysfunction and neuroinflammation in Alzheimer’s disease (AD) mouse models.
Biochem/physiol Actions
GPR34 antagonist that potently inhibits neuroinflammation by blocking PI3K-AKT and ERK pathways, selectively reducing cytokine release.The GPR34 antagonist T8848 selectively targets G-protein coupled receptor 34 (GPR34), inhibiting LysoPS and myelin debris-induced IL-1β and IL-6 expression in microglia with high specificity. In vitro, T-8848 is applied at of 100 μg/mL, effectively reducing pro-inflammatory cytokine release. In vivo, at 10 mg/kg (i.p.) administered over 18-days in C57BL/6J mice and Gpr34-specific knockout mice (e.g., Gpr34fl/flCx3cr1CreER), it lessens neuroinflammation, demyelination, and tissue damage in models of multiple sclerosis and stroke. Mechanistically, T 8848 blocks GPR34-mediated phosphatidylinositol 3-kinase-protein kinase B (PI3K-AKT) and extracellular signal-regulated kinase (ERK) pathways, suppressing downstream inflammatory gene expression and cytokine release.
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Bolong Lin et al.
Cellular & molecular immunology, 21(10), 1131-1144 (2024-07-20)
Sterile neuroinflammation is a major driver of multiple neurological diseases. Myelin debris can act as an inflammatory stimulus to promote inflammation and pathologies, but the mechanism is poorly understood. Here, we showed that lysophosphatidylserine (LysoPS)-GPR34 axis played a critical role
Torsten Schöneberg et al.
Pharmacology & therapeutics, 189, 71-88 (2018-04-24)
Research on GPR34, which was discovered in 1999 as an orphan G protein-coupled receptor of the rhodopsin-like class, disclosed its physiologic relevance only piece by piece. Being present in all recent vertebrate genomes analyzed so far it seems to improve
Jiaxian Yan et al.
Nature immunology, 25(11), 2057-2067 (2024-10-03)
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