نتایج جستجو برای: rbl 2h3
تعداد نتایج: 1142 فیلتر نتایج به سال:
Platelet-activating factor (1-O-alkyl-2-acetyl-sn-glycerolphosphocholine; PAF) induces leukocyte accumulation and activation at sites of inflammation via the activation of a specific cell surface receptor (PAFR). PAFR couples to both pertussis toxin-sensitive and pertussis toxin-insensitive G proteins to activate leukocytes. To define the role(s) of G(i) and G(q) in PAF-induced leukocyte respon...
BACKGROUND Bee venom (BV), a type of toxin extracted from honeybees (Apis mellifera), has been empirically and widely used to treat inflammatory diseases throughout Asia. Essential BV (eBV) was developed by removing phospholipase A2 (PLA2) and histamine to lower occurrence of allergic reaction. This study investigated the anti-allergic and anti-inflammatory activities of eBV in vitro and in viv...
CRISPR/Cas9-mediated base editing introduces point mutations in cellular DNA by exploiting target-specific single guide RNA (sgRNA) along with a genetically modified Cas9. Existing plasmid vectors for sgRNA expression contain either fluorescent marker or an antibiotic resistance cassette but not both, preventing simultaneous monitoring and enrichment of transfected host cells. In this study, we...
Despite the high prevalence of chronic dermatitis and accompanied intractable itch, therapeutics that specifically target itching have low efficacy. Increasing evidence suggests TLRs contribute to immune activation neural sensitization; however, their roles in itch remain elusive. Here, we show RBL-2H3 mast cell line expresses TLR4 treatment with a antagonist opposes LPS dependent increase mRNA...
To define the molecular mechanisms of cross-regulation among chemoattractant receptors, we stably coexpressed, in a rat basophilic leukemia (RBL-2H3) cell line, epitope-tagged receptors for the chemoattractants formylmethionylleucylphenylalanine (fMLP), a peptide of the fifth component of the complement system (C5a), and interleukin-8 (IL-8). All the expressed receptors underwent homologous pho...
Rat basophilic leukemia (RBL-2H3) cells predominantly express the type II receptor for inositol 1,4,5-trisphosphate (InsP3), which operates as an InsP3-gated calcium channel. In these cells, cross-linking the high-affinity immunoglobulin E receptor (FcepsilonR1) leads to activation of phospholipase C gamma isoforms via tyrosine kinase- and phosphatidylinositol 3-kinase-dependent pathways, relea...
Adenosine accumulates to high levels in inflamed or ischemic tissues and activates A3 adenosine receptors (ARs) on mast cells to trigger degranulation. Here we show that stimulation of rat basophilic leukemia (RBL)-2H3 mast-like cells with the A3 AR agonists N6-(3-iodo)benzyl-5'-N-methylcarboxamidodoadenosine (IB-MECA; 10 nM) or inosine (10 microM) stimulates phosphorylation of protein kinase B...
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