AMG131
(Synonyms: 2,4-二氯-N-[3,5-二氯-4-(喹啉-3-基氧基)苯基]苯磺酰胺,INT131) 目录号 : GC62836AMG131 (INT131) 是一种有效且高度选择性的 PPARγ 部分激动剂,可与 PPARγ 结合,取代罗格列酮,Ki 为~10 nM。 AMG131 可用于研究 2 型糖尿病 (T2DM)。
Cas No.:315224-26-1
Sample solution is provided at 25 µL, 10mM.
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AMG131 (INT131), a potent and highly selective PPARγ partial agonist, binds to PPARγ and displaces Rosiglitazone with a Ki of ~10 nM. AMG131 can be used for research of type-2 diabetes mellitus (T2DM)[1][2].
AMG131 (INT131) binds to PPARγ and displaces Rosiglitazone with a Ki of ~10 nM, demonstrating ~20-fold higher affinity than either Rosiglitazone or Pioglitazone, and with greater than 1000-fold selectivity for PPARγ over PPARα, PPARδ, or a set of other nuclear receptors. AMG131 is highly selective for PPARγ, with no binding to PPARα or δ at 10 μM, 1000 fold over the Ki for PPARγ[1].
AMG131 (INT131; 80 mg/kg; 14-day oral treatment) increases in glucose tolerance in Zucker (fa/fa) rats following[2]
[1]. Linda S Higgins,et al. The Development of INT131 as a Selective PPARgamma Modulator: Approach to a Safer Insulin Sensitizer. PPAR Res. 2008;2008:936906.
[2]. Alykhan Motani, et al. INT131: a selective modulator of PPAR gamma. J Mol Biol. 2009 Mar 13;386(5):1301-11.
Cas No. | 315224-26-1 | SDF | |
别名 | 2,4-二氯-N-[3,5-二氯-4-(喹啉-3-基氧基)苯基]苯磺酰胺,INT131 | ||
分子式 | C21H12Cl4N2O3S | 分子量 | 514.21 |
溶解度 | DMSO : 250 mg/mL (486.18 mM; Need ultrasonic) | 储存条件 | Store at -20°C |
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1 mM | 1.9447 mL | 9.7237 mL | 19.4473 mL |
5 mM | 0.3889 mL | 1.9447 mL | 3.8895 mL |
10 mM | 0.1945 mL | 0.9724 mL | 1.9447 mL |
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INT131: a selective modulator of PPAR gamma
J Mol Biol 2009 Mar 13;386(5):1301-11.PMID:19452630DOI:10.1016/j.jmb.2009.01.025.
The nuclear hormone receptor peroxisome proliferator-activated receptor gamma (PPAR gamma; NR1C3) plays a central role in adipogenesis and is the molecular target of the thiazolidinedione class of antidiabetic drugs. To overcome the well-known shortcomings of thiazolidinediones, we have identified INT131 (formerly T131 and AMG131) as a potent selective ligand for PPAR gamma that is structurally and pharmacologically distinct from glitazone agonists. In vitro biochemical and cell-based functional assays showed that INT131 mediates a distinct pattern of coregulator recruitment to PPAR gamma. In adipocytes, INT131 showed minimal stimulation of adipocyte differentiation and partially activated PPAR gamma target genes involved in adipogenesis and, at the same time, showed more agonistic activity on another set of target genes that may influence insulin sensitivity directly. These unique properties of INT131 may provide a mechanistic basis for its distinct pharmacological profile. In vivo, increases in glucose tolerance were observed in Zucker (fa/fa) rats following a 14-day oral treatment with INT131. Although the maximal efficacies of INT131 and rosiglitazone were similar with respect to improvements in glucose tolerance, INT131 had less effect on heart and lung weights, weight gain, hemodilution, and plasma volume. Thus, INT131 appears to selectively modulate PPAR gamma responses in an in vivo preclinical model, showing antidiabetic efficacy while exhibiting an improved hemodynamic and cardiovascular adverse effect profile compared to the full agonist rosiglitazone. X-ray crystallography revealed that INT131 interacts with PPAR gamma through a distinct binding mode, forming primarily hydrophobic contacts with the ligand-binding pocket without direct hydrogen-bonding interactions to key residues in helix 12 that are characteristic of full agonists. Mutagenesis studies on Tyr473 in helix 12 demonstrated this residue as essential for rosiglitazone-induced receptor activation, but nonessential for INT131 function in vitro, providing one possible molecular determinant for INT131's distinct pharmacology. INT131 is currently being evaluated in a clinical setting as a therapeutic agent for the treatment of type 2 diabetes.
The Development of INT131 as a Selective PPARgamma Modulator: Approach to a Safer Insulin Sensitizer
PPAR Res 2008;2008:936906.PMID:18769500DOI:10.1155/2008/936906.
INT131 (formerly T0903131, T131, AMG131) is a potent non-thiazolidinedione (TZD) selective peroxisome proliferator-activated receptor gamma modulator (SPPARM) currently in Phase 2 clinical trials for treatment of type-2 diabetes mellitus (T2DM). This new chemical entity represents a second generation SPPARM approach developed after the first generation PPARgamma full agonists to address their inherent limitations. INT131 was specifically and carefully designed using preclinical models to exhibit a biological profile of strong efficacy with de minimis side effects compared to PPARgamma full agonists. As a potent PPARgamma modulator, INT131 binds to PPARgamma with high affinity. In pharmacology models of diabetes and in early clinical studies, it achieved a high level of efficacy in terms of antidiabetic actions such as insulin sensitization and glucose and insulin lowering, but had little activity in terms of other, undesired, effects associated with TZD PPARgamma full agonists such as edema and adipogenesis. Ongoing clinical development is directed at translating these findings into establishing a novel and effective treatment for T2DM patients with an improved safety profile in relation to that currently available.