化合物GW1929 TQ0156

Product Introduction
Bioactivity


英文名: GW1929

描述: GW1929是PPAR-γ有效激动剂，对人PPAR-γ的pKi 为8.84。对人和鼠的pEC50分别为8.56 和 8.27。

细胞实验: For the experiments, the cells are plated in 96-well plates at a density of 2 × 10^5 cells per cm2 and cultured in the presence of TBBPA, in concentrations ranging from 1 nM to 100 μM TBBPA. TBBPA is dissolved in DMSO, resulting in a final vehicle concentration of 0.1 % (v/v). Control (no vehicle) and DMSO-treated wells are included in the experimental design to determine the effect of DMSO. To study whether PPAR-γ is involved in the neurotoxic effect of TBBPA, cells are co-treated with 10 μM TBBPA and 10 μM GW1929 or GW9662. After 6 or 24 h of culture, 100 μL medium is collected for the LDH analysis, and the cells are collected and frozen at ?70°C for the caspase-3 activity measurements [2].

激酶实验: Ligand binding to bacterially expressed ligand-binding domain (LBD) of hPPAR-γ is determined by the scintillation proximity assay (SPA). The assay measures the ability of putative ligands to displace receptor-bound [3H]BRL 49653. Assays are conducted in 96-well plates. Wells contained varying concentrations of GW1929 or troglitazone; streptavidin-modified SPA beads to which biotinylated PPAR-γ LBD is prebound; and 10 nM of the specific radioligand [3H]BRL 49653 in a volume of 100 μL. The amount of nonspecific binding, as assessed by control wells that contained 50 μM of the corresponding unlabeled ligand, is subtracted from each data point. For each compound tested, plots of ligand concentration versus counts/min of radioligand bound are constructed, and apparent Ki values are estimated from a nonlinear least-squares fit of the data, assuming simple competitive binding. The results are expressed as pKi, where pKi = -log10(KI) [1].

动物实验: Animals are housed at 72°F and 50% relative humidity with a 12-h light and dark cycle and fed Formulab Diet 5008. Age- (60-day) and glucose-matched male Zucker diabetic fatty rats are gavaged twice daily for 14 days with vehicle (0.05 M N-methylglucamine), GW1929 (0.5, 1.0, or 5.0 mg/kg), or troglitazone (as the milled extrudate, in a suspension in methylcellulose, 50, 150, and 500 mg/kg). Another group of animals receives a mixture of Humulin N and Humulin R by subcutaneous injection twice daily. On days 7 and 14 of dosing, nonfasted measurements of glucose, lactate, insulin, total cholesterol, TGs, F FAs, and hematocrit are obtained. On day 14 of dosing, samples for serum drug levels (2-h postdose) and glycosylated hemoglobin measurements are also collected. In addition, once weekly, three animals from each group are placed in metabolic chambers for 48 h for quantitation of 24-h food and water consumption. Body weights are recorded throughout the study. At the conclusion of the study, perfused pancreas experiments are performed on 12 animals (n = 4 per group) that have received either GW1929 (1 and 5 mg/kg) or vehicle, to directly evaluate the effects of treatment on basal and glucose-stimulated insulin secretion. The remaining animals are killed, and their pancreases are processed for immunocytochemistry [1].

体外活性: GW1929是一种强效的PPAR-γ激活剂，对人类和小鼠的PPAR-γ的pEC50分别为8.56和8.27，同时对人类PPAR-γ、PPAR-α和PPAR-δ的pKis分别为8.84、小于5.5和小于6.5[1]。在浓度为10μM时，GW1929能够抑制TBBPA诱导的新皮层细胞培养中caspase-3的增加和TBBPA刺激的LDH释放[2]。

体内活性: GW1929（0.5、1、5 mg/kg，p.o.）在治疗14天后显著降低了Zucker糖尿病肥胖（ZDF）大鼠的非空腹血糖水平，并具有抗脂解作用。在ZDF大鼠中，GW1929（1、5 mg/kg，p.o.）增强了β细胞对葡萄糖刺激的胰岛素分泌能力[1]。

存储条件: Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度: DMSO : 33 mg/mL (66.59 mM)


关键字: GW1929 | Peroxisome proliferator-activated receptors | PPAR | GW 1929 | GW-1929 | inhibit | Inhibitor

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注：该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案，不可用于临床诊断或治疗等相关用途