Abstract:
:The development of a novel class of nonsteroidal human progesterone receptor (hPR) agonists, 5-aryl-1,2-dihydro-5H-chromeno[3,4-f]quinolines 2, is described. The introduction of a 5-aryl group into the 1,2-dihydrocoumarino[3,4-f]quinoline core 1 is the key for progestational activities. The structure-activity relationship (SAR) studies of the 5-aryl substituents generated a series of potent hPR agonists, which exhibited similar biological activity (EC50 = 8-30 nM) to the natural hormone progesterone (EC50 = 2.9 nM) in cell-based assays with efficacies ranging from 28% to 96%. Most of the analogues displayed similar or greater binding affinity (Ki = 0.41-3.6 nM) than progesterone (Ki = 3.5 nM). Three representative analogues (13, 15, and 24) demonstrated in vivo activities in mammary gland morphology/uterine wet weight assay in ovariectomized rats.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Zhi L,Tegley CM,Kallel EA,Marschke KB,Mais DE,Gottardis MM,Jones TKdoi
10.1021/jm9705768subject
Has Abstractpub_date
1998-01-29 00:00:00pages
291-302issue
3eissn
0022-2623issn
1520-4804pii
jm9705768journal_volume
41pub_type
杂志文章abstract::A series of renin inhibitors have been prepared and evaluated for their susceptibility to cleavage by the serine protease chymotrypsin. The compounds were designed by consideration of the structural requirements in the active-site region of renin and chymotrypsin. By systematic alteration of the P3 phenylalanine resid...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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abstract::G-Quadruplexes, noncanonical nucleic acid structures, act as silencers in the promoter regions of human genes; putative G-quadruplex forming sequences are also present in promoters of other mammals, yeasts, and prokaryotes. Here we show that also the HIV-1 LTR promoter exploits G-quadruplex-mediated transcriptional re...
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更新日期:2009-04-09 00:00:00
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abstract::The N332 high-mannose glycan on the HIV-1 gp120 V3-loop is the target of many bNAbs. About 17% HIV isolates carry the N332 to N334 mutation, but the antibody recognition of the N334 N-glycan and its immunogenicity are not well characterized. Here we report the chemoenzymatic synthesis, antigenicity, and immunogenicity...
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abstract::The synthesis and biological evaluation of a series of novel 1-(aryloxy)-2-propanolamines and several related deshydroxy analogues are described. Compounds 4-29 were prepared and investigated for their class III electrophysiological activity in isolated canine Purkinje fibers and in anesthetized open-chest dogs. None ...
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更新日期:1991-11-01 00:00:00
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pub_type: 杂志文章
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abstract::A novel series of oxime ligands has been synthesized that displays potent, specific activation of the retinoid X receptors (RXRs). The oximes of 3-substituted (tetramethyltetrahydronaphthyl)carbonylbenzoic acids are readily available by condensation with hydroxyl- or methoxylamine; alkylation of the hydroxyl oxime pro...
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更新日期:1999-02-25 00:00:00
abstract::A series of 3-indoleacrylonitrile tyrphostins, 2-chloro-3-phenylquinolines, and 3-arylquinoxalines were prepared and tested for inhibition of platelet-derived growth factor receptor tyrosine kinase (PDGF-RTK) activity. The potency of the inhibitors was found to be quinoxalines > quinolines > indoles. Lipophilic groups...
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abstract::HDM2 binds to an alpha-helical transactivation domain of p53, inhibiting its tumor suppressive functions. A miniaturized thermal denaturation assay was used to screen chemical libraries, resulting in the discovery of a novel series of benzodiazepinedione antagonists of the HDM2-p53 interaction. The X-ray crystal struc...
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更新日期:2003-07-31 00:00:00
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pub_type: 杂志文章
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更新日期:1975-09-01 00:00:00
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