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A Pyrazole Derivative, YM-58483, Potently Inhibits Store-Operated Sustained Ca2+ Influx and IL-2 Production in T Lymphocytes
It is concluded that YM-58483 was a novel store-operated Ca2+ entry blocker and a potent immunomodulator, and could be useful for the treatment of autoimmune diseases and chronic inflammation.
A Pyrazole Derivative Potently Inhibits Lymphocyte Ca2+ Influx and Cytokine Production by Facilitating Transient Receptor Potential Melastatin 4 Channel Activity
The results demonstrate that TRPM4 channels represent a previously unrecognized key element in lymphocyte Ca2+ signaling and that their facilitation by BTP2 supports cell membrane depolarization, which reduces the driving force for Ca2- entry and ultimately causes the potent suppression of cytokine release.
6-(1H-imidazol-1-yl)-7-nitro-2,3(1H,4H)-quinoxalinedione hydrochloride (YM90K) and related compounds: structure-activity relationships for the AMPA-type non-NMDA receptor.
A novel series of quinoxalinediones possessing imidazolyl and related heteroaromatic substituents was synthesized and evaluated for their activity to inhibit [3H]AMPA binding from rat whole brain, and it was found that the 1H-imidazol-1-yl moiety could function as a bioisostere for the cyano and nitro groups.
Novel potent and selective Ca2+ release-activated Ca2+ (CRAC) channel inhibitors. Part 3: synthesis and CRAC channel inhibitory activity of 4'-[(trifluoromethyl)pyrazol-1-yl]carboxanilides.
Identification, synthesis, and biological evaluation of 6-[(6R)-2-(4-fluorophenyl)-6-(hydroxymethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidin-3-yl]-2-(2-methylphenyl)pyridazin-3(2H)-one…
It was found that blocking metabolism at the methyl group of the amine and constructing the tetrahydropyrimidine core were important to obtaining compounds with good biological profiles and oral bioavailability and Pursuing the structure-activity relationships of this series led to the discovery of AS1940477 (3f), with excellent cellular activity and a favorable pharmacokinetic profile.
Spiro-substituted piperidines as neurokinin receptor antagonists. I. Design and synthesis of (+/-)-N-[2-(3,4-dichlorophenyl)-4-(spiro [isobenzofuran-1(3H),4'piperidin]-1'-yl)butyl]-N-methylbenzamide,…
- H. Kubota, M. Fujii, K. Ikeda, M. Takeuchi, T. Shibanuma, Y. Isomura
- Chemistry, BiologyChemical & pharmaceutical bulletin
- 15 February 1998
YM-35375 may be a new lead compound for novel NK2 receptor antagonists or NK1-NK2 dual antagonists and energy calculation of a variety of substituted 4-phenyl piperidines revealed that spiro[isobenzofuran-1(3H),4'-piperidine] possesses a conformationally restricted equatorial phenyl group.
Novel potent and selective calcium-release-activated calcium (CRAC) channel inhibitors. Part 1: synthesis and inhibitory activity of…
RP67580, a neurokinin1 receptor antagonist, decreased restraint stress-induced defecation in rat
Synthesis, biological evaluation, and metabolic stability of acrylamide derivatives as novel CCR3 antagonists.