1. Signaling Pathways
  2. GPCR/G Protein
  3. GPR40

GPR40 (G蛋白偶联受体40)

GPR40 (Free fatty acid receptor 1, FFA1) is a class A G-protein coupled receptor that in humans is encoded by the FFAR1 gene. It is strongly expressed in the cells of the pancreas and to a lesser extent in the brain. This membrane protein binds free fatty acids, acting as a nutrient sensor for regulating energy homeostasis. GPR40 is activated by medium to long chain fatty acids. GPR40 is most strongly activated by eicosatrienoic acid, but has been found to be activated by fatty acids as small as 10 carbons long. For saturated fatty acids the level of activation is dependent on the length of the carbon chain, which is not true for unsaturated fatty acids. It has been found that three hydrophilic residues (arginine-183, asparagine-244, and arginine-258) anchor the carboxylate group of a fatty acid, which activates GPR40.

GPR40 相关产品 (6):

Cat. No. Product Name Effect Purity
  • HY-50691
    GW-1100 Antagonist
    GW-1100是选择性的 GPR40 拮抗剂,pIC50为6.9。
  • HY-15589
    GW9508 Agonist 99.64%
    GW9508 是一种有效的选择性 G 蛋白偶联受体 FFA1 (GPR40) 和 GPR40 激动剂,pEC50 值分别为 7.32 和 5.46。GW9508 对 GPR40 的选择性是 GPR120 的 100 倍左右,对其他 GPCR,激酶,蛋白酶,整联蛋白和 PPAR 无活性。GW9508 是一种葡萄糖敏感性胰岛素促分泌剂和 ATP 敏感性钾 (KATP) 通道开放剂。GW9508 具有抗炎和抗动脉粥样硬化活性。
  • HY-101906
    DC260126 Antagonist 99.74%
    DC260126 是一种有效的 GPR40 (FFAR1) 拮抗剂。DC260126 剂量依赖性地抑制亚油酸、油酸、棕榈油酸和月桂酸刺激的 GPR40 介导的 Ca2+ 升高 (IC50 分别 6.28, 5.96, 7.07, 4.58 μM)。DC260126 对棕榈酸酯诱导的内质网应激和凋亡 (apoptosis) 有保护作用。
  • HY-B1021
    Vincamine Agonist 99.93%
    Vincamine 是从马达加斯加长春花中提取的单萜吲哚生物碱。Vincamine 是 GPR40 激动剂,通过改善细胞功能障碍和促进葡萄糖刺激的胰岛素分泌 (GSIS),起到 β 细胞保护剂的作用。Vincamine 改善体内葡萄糖稳态,有潜力用于 2 型糖尿病 (T2DM) 研究。Vincamine 是一种外周血管扩张剂 (vasodilator),对微血管循环,特别是在大脑中,有选择性的血管调节作用。
  • HY-12585
    AM-4668 Agonist >99.0%
    AM-4668 是一种 GPR40 激动剂,用于2 型糖尿病研究。在 A9 细胞中和 CHO 细胞,激活 GPR40 的 EC50 分别为 3.6 nM 和 36 nM。
  • HY-P1123
    MEDICA16 Agonist
    MEDICA16 是一种 ATP-citrate lyase 抑制剂,能显著降低腓肠肌细胞内 TG 的含量,这种降低伴随着胰岛素敏感性的增加。MEDICA16 是 GPR40 的选择性激动剂,也是 GPR120 的选择性部分激动剂。
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