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编 号:F045601
分子式:C26H22F6O2
分子量:480.44
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1mg
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5mg
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生物活性:
JNJ-40418677 is an orally active modulator of γ-secretase, can cross the blood-brain barrier. JNJ-40418677 inhibits Aβ42 and NS2B-NS3 protease, with IC50s of 200 nM and 3.9 μM, respectively. JNJ-40418677 displays good biological tolerance, can be use for Alzheimer’s disease research.

体内研究:
JNJ-40418677 (10-300 mg/kg; p.o.) decreases Aβ42 brain levels in a dose-dependent manner 4 h after treatment, while increasing Aβ38 level in non-transgenic mouse brain.JNJ-40418677 (30 mg/kg; p.o.; once) shows the mean brain and plasma levels 4 h after single dose are both 17 μM, indicating good brain penetration in non-transgenic mouse brain.JNJ-40418677 (20-120 mg/kg; p.o.; 7 months) has good biological tolerance with no adverse effects in a chronic treatment in Tg2576 mice.JNJ-40418677 (20-120 mg/kg; p.o.; 7 months) decreases the plaque number and the area occupied by plaques in Tg2576 mice dose-dependently.Animal Model:Non-transgenic mouse (6-month-old)
Dosage:10, 30, 100, 300 mg/kg
Administration:Oral gavage; once
Result:Reduced the Aβ42 brain levels dose-dependently, with 82%, 64%, 39%, and 31% at the doses of 10, 30, 100, 300 mg/kg, respectively.
Animal Model:Tg2576 mice (6-month-old)
Dosage:20, 60, 120 mg/kg
Administration:Oral gavage; 7 months
Result:Exhibited well tolerated activity, without adverse effects on body weight.Showed no influence on the steady state levels of full-length APP, CTF-a, and CTF-b at a dosage of 120 mg/kg.Significantly reduced plaque area fraction and number of plaques.

体外研究:
JNJ-40418677 (0.2 nM-0.3 mM; 16 h) selectively reduces Aβ42 secretion in cell culture supernatants of human neuroblastoma cells with mean IC50 of 200 nM and (0.2 nM-0.3 mM; 48 h) of rat primary neurons with mean IC50 of 185 nM.JNJ-40418677 (10 μM, 100 μM; 18 h) does not inhibit Notch processing or (6 nM-20 μM; 18 h) not affect formation of other amyloid precursor protein cleavage (CTF-β, CTF-α) products, and shows no inhibitory activity against COX-1/2 at a high concentration of 60 μM.JNJ-40418677 suppresses ZIKV in human neuronal stem cells with an EC50 value of 3.2 μM, and inhibits ZIKV NS2B-NS3 protease with an IC50 value of 3.9 μM.
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