JNJ-39758979 |
Catalog No.GC30821 |
JNJ-39758979는 인간, 마우스 및 원숭이 히스타민 H4 수용체에 대해 각각 12.5, 5.3 및 25nM의 Kis를 갖는 선택적 경구 활성 및 고친화성 히스타민 H4 수용체 길항제입니다.
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 1046447-90-8
Sample solution is provided at 25 µL, 10mM.
JNJ-39758979 is a selective, high-affinity histamine H4 receptor antagonist with a Ki of 12.5 nM.
JNJ-39758979 is a selective, high-affinity histamine H4 receptor antagonist with a Ki of 12.5 nM. The affinity of JNJ-39758979 for the rat (Ki=188 nM) and guinea pig H4R (Ki=306 nM) is moderate, and JNJ-39758979 has little if any affinity for the dog H4R (Ki≥10 μM). JNJ-39758979 is metabolically stable (t1/2 >120 min) when incubated in vitro with human, rat, dog, or monkey liver microsomes[1].
JNJ-39758979 shows dose-proportional pharmacokinetic (PK) in rat in the range of 2 to 500 mpK. JNJ-39758979 rapidly reaches the kidneys and liver (mean tmax=2.0 h). The elimination of JNJ-39758979 is slow from the brain, liver, and kidneys, with mean t1/2 values of 42.5, 22.3, and 20.5 h, respectively. The highest exposure (based on Cmax and AUC0-inf values) is observed in the liver followed by the kidney and brain. Tissue-to-plasma ratios for liver and kidney range from 23.2 to 95.8; the tissue-to-plasma ratios in brain increases with time from 0.256 to 22.7 up to 48 h after dosing. JNJ-39758979 is able to inhibit histamine-induced itch at doses of 5 and 20 mg/kg in mice. JNJ-39758979 exhibits dose-dependent inhibition of the clinical score in a mouse collagen-induced arthritis model[1].
[1]. Savall BM, et al. Discovery and SAR of 6-alkyl-2,4-diaminopyrimidines as histamine H? receptor antagonists. J Med Chem. 2014 Mar 27;57(6):2429-39.
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