Kumar S - Search Results

1

Addressing the metabolic activation potential of new leads in drug discovery: a case study using ion trap mass spectrometry and tritium labeling techniques.

Samuel K, Yin W, Stearns RA, Tang YS, Chaudhary AG, Jewell JP, Lanza T Jr, Lin LS, Hagmann WK, Evans DC, Kumar S. Samuel K, et al. Among authors: kumar s. J Mass Spectrom. 2003 Feb;38(2):211-21. doi: 10.1002/jms.434. J Mass Spectrom. 2003. PMID: 12577288

2

A novel P450-catalyzed transformation of the 2,2,6,6-tetramethyl piperidine moiety to a 2,2-dimethyl pyrrolidine in human liver microsomes: characterization by high resolution quadrupole-time-of-flight mass spectrometry and 1H-NMR.

Yin W, Doss GA, Stearns RA, Chaudhary AG, Hop CE, Franklin RB, Kumar S. Yin W, et al. Among authors: kumar s. Drug Metab Dispos. 2003 Feb;31(2):215-23. doi: 10.1124/dmd.31.2.215. Drug Metab Dispos. 2003. PMID: 12527703

3

Extrapolation of diclofenac clearance from in vitro microsomal metabolism data: role of acyl glucuronidation and sequential oxidative metabolism of the acyl glucuronide.

Kumar S, Samuel K, Subramanian R, Braun MP, Stearns RA, Chiu SH, Evans DC, Baillie TA. Kumar S, et al. J Pharmacol Exp Ther. 2002 Dec;303(3):969-78. doi: 10.1124/jpet.102.038992. J Pharmacol Exp Ther. 2002. PMID: 12438516

4

N-acetylation of the glutamate residue of intact glutathione conjugates in rats: a novel pathway for the metabolic processing of thiol adducts of xenobiotics.

Yin W, Doss GA, Stearns RA, Kumar S. Yin W, et al. Among authors: kumar s. Drug Metab Dispos. 2004 Jan;32(1):43-8. doi: 10.1124/dmd.32.1.43. Drug Metab Dispos. 2004. PMID: 14709619

5

Conversion of the 2,2,6,6-tetramethylpiperidine moiety to a 2,2-dimethylpyrrolidine by cytochrome P450: evidence for a mechanism involving nitroxide radicals and heme iron.

Yin W, Mitra K, Stearns RA, Baillie TA, Kumar S. Yin W, et al. Among authors: kumar s. Biochemistry. 2004 May 11;43(18):5455-66. doi: 10.1021/bi035944q. Biochemistry. 2004. PMID: 15122911

6

Discovery of N-[(1S,2S)-3-(4-Chlorophenyl)-2- (3-cyanophenyl)-1-methylpropyl]-2-methyl-2- {[5-(trifluoromethyl)pyridin-2-yl]oxy}propanamide (MK-0364), a novel, acyclic cannabinoid-1 receptor inverse agonist for the treatment of obesity.

Lin LS, Lanza TJ Jr, Jewell JP, Liu P, Shah SK, Qi H, Tong X, Wang J, Xu SS, Fong TM, Shen CP, Lao J, Xiao JC, Shearman LP, Stribling DS, Rosko K, Strack A, Marsh DJ, Feng Y, Kumar S, Samuel K, Yin W, Van der Ploeg LH, Goulet MT, Hagmann WK. Lin LS, et al. Among authors: kumar s. J Med Chem. 2006 Dec 28;49(26):7584-7. doi: 10.1021/jm060996+. J Med Chem. 2006. PMID: 17181138

7

In vitro and in vivo metabolism of a novel cannabinoid-1 receptor inverse agonist, taranabant, in rats and monkeys.

Reddy VB, Doss GA, Karanam BV, Samuel K, Lanza TJ Jr, Lin LS, Yu NX, Zhang AS, Raab CE, Stearns RA, Kumar S. Reddy VB, et al. Among authors: kumar s. Xenobiotica. 2010 Sep;40(9):650-62. doi: 10.3109/00498254.2010.501117. Xenobiotica. 2010. PMID: 20608842

8

Interaction of diclofenac and quinidine in monkeys: stimulation of diclofenac metabolism.

Tang W, Stearns RA, Kwei GY, Iliff SA, Miller RR, Egan MA, Yu NX, Dean DC, Kumar S, Shou M, Lin JH, Baillie TA. Tang W, et al. Among authors: kumar s. J Pharmacol Exp Ther. 1999 Dec;291(3):1068-74. J Pharmacol Exp Ther. 1999. PMID: 10565826

9

Identification of metabolites of a substance P (neurokinin 1 receptor) antagonist in rat hepatocytes and rat plasma.

Hop CE, Wang Y, Kumar S, Elipe MV, Raab CE, Dean DC, Poon GK, Keohane CA, Strauss J, Chiu SH, Curtis N, Elliott J, Gerhard U, Locker K, Morrison D, Mortishire-Smith R, Thomas S, Watt AP, Evans DC. Hop CE, et al. Among authors: kumar s. Drug Metab Dispos. 2002 Aug;30(8):937-43. doi: 10.1124/dmd.30.8.937. Drug Metab Dispos. 2002. PMID: 12124313

10

Discovery of N-{(1S,2S)-2-(3-cyanophenyl)- 3-[4-(2-[18F]fluoroethoxy)phenyl]-1-methylpropyl}- 2-methyl-2-[(5-methylpyridin-2-yl)oxy]propanamide, a cannabinoid-1 receptor positron emission tomography tracer suitable for clinical use.

Liu P, Lin LS, Hamill TG, Jewell JP, Lanza TJ Jr, Gibson RE, Krause SM, Ryan C, Eng W, Sanabria S, Tong X, Wang J, Levorse DA, Owens KA, Fong TM, Shen CP, Lao J, Kumar S, Yin W, Payack JF, Springfield SA, Hargreaves R, Burns HD, Goulet MT, Hagmann WK. Liu P, et al. Among authors: kumar s. J Med Chem. 2007 Jul 26;50(15):3427-30. doi: 10.1021/jm070131b. Epub 2007 Jul 3. J Med Chem. 2007. PMID: 17608398

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