Abstract:
:Constitutive activation of signal transducer and activator of transcription 3 (STAT3) has been validated as an attractive therapeutic target for cancer therapy. To stop both STAT3 activation and dimerization, a viable strategy is to design inhibitors blocking its SH2 domain phosphotyrosine binding site that is responsible for both actions. A new fragment-based drug design (FBDD) strategy, in silico site-directed FBDD, was applied in this study. A designed novel compound, 5,8-dioxo-6-(pyridin-3-ylamino)-5,8-dihydronaphthalene-1-sulfonamide (LY5), was confirmed to bind to STAT3 SH2 by fluorescence polarization assay. In addition, four out of the five chosen compounds have IC50 values lower than 5 μM for the U2OS cancer cells. 8 (LY5) has an IC50 range in 0.5-1.4 μM in various cancer cell lines. 8 also suppresses tumor growth in an in vivo mouse model. This study has demonstrated the utility of this approach and could be used to other drug targets in general.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Yu W,Xiao H,Lin J,Li Cdoi
10.1021/jm400080csubject
Has Abstractpub_date
2013-06-13 00:00:00pages
4402-12issue
11eissn
0022-2623issn
1520-4804journal_volume
56pub_type
杂志文章abstract::The fumagillin family of natural products inhibits angiogenesis through the irreversible inhibition of the type 2 methionine aminopeptidase (MetAP2). Herein is reported a novel fumagillin analogue named fumarranol. It is shown that, like fumagillin, fumarranol selectively inhibits MetAP2 and endothelial cell prolifera...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm060559v
更新日期:2006-09-21 00:00:00
abstract::The noradrenergic neurotransmitter (-)-norepinephrine (1) is very easily oxidized at physiological pH to an o-quinone (2) that normally cyclizes and subsequently oxidatively polymerizes to black melanin. In this investigation it is demonstrated that L-cysteine (CySH) can divert the melanin pathway by efficiently scave...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm960016t
更新日期:1996-05-10 00:00:00
abstract::Two isoforms of the cyclooxygenase (COX) enzyme have been identified: COX-1, which is expressed constitutively, and COX-2, which is induced in inflammation. Recently, it has been shown that selective COX-2 inhibitors have antiinflammatory activity and lack the GI side effects typically associated with NSAIDs. Initial ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm980570y
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abstract::KEAP1 is the key regulator of the NRF2-mediated cytoprotective response, and increasingly recognized as a target for diseases involving oxidative stress. Pharmacological intervention has focused on molecules that decrease NRF2-ubiquitination through covalent modification of KEAP1 cysteine residues, but such electrophi...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.6b00228
更新日期:2016-04-28 00:00:00
abstract::With the aim of obtaining new antitumoral agents, a series of 5,8-quinazolinediones was prepared. 5-Amino-6-methoxyquinazoline was oxidized by Fremy's salt to give 6-methoxy-5,8-quinazolinedione. Nucleophilic substitution reaction at C6, electrophilic substitution at C7, and synthesis of 7-amino-6-methoxy-5,8-quinazol...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00366a011
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abstract::A series of 1-methyl-1H-pyrazole-5-carboxamides were synthesized as potent inhibitors of the parasitic nematode of sheep, Haemonchus contortus. These compounds did not show overt cytotoxicity to a range of mammalian cell lines under standard in vitro culture conditions, had high selectivity indices, and were progresse...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.0c01793
更新日期:2021-01-14 00:00:00
abstract::6-Chloropurine derivatives of gamma-(Z)-ethylidene-2,3-dimethoxybutenolide 3a, gamma-(Z)-ethylidene-2-methoxy-3-(4-nitro)benzyloxybutenolide 3b, gamma-(Z)-ethylidene-2-(4-nitro)benzyloxy-3-methoxybutenolide 3c, gamma-(Z)-ethylidene-2,3-di(4-nitro)benzyloxybutenolide 3d, and dimethylphosphono-gamma-(Z)-ethylidene-2,3-d...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0004446
更新日期:2001-05-24 00:00:00
abstract::Ergosterol, the predominant sterol of fungi, is postulated to have many cellular functions which include a bulk membrane role and a regulatory role. Studies with sterol auxotrophs show that, even in the presence of sterols which can fulfill the bulk membrane requirements, a small concentration of ergosterol is absolut...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm9605851
更新日期:1996-12-20 00:00:00
abstract::A series of analogues of the fungal peptaibol type metabolite ampullosporin A containing modifications in the C and N terminus as well as alpha-aminoisobutyric acid (Aib) substitutions in different positions of the peptide were synthesized by solid phase synthesis using the 9-fluorenylmethyloxycarbonyl strategy. Depen...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0208018
更新日期:2002-06-20 00:00:00
abstract::A series of N-aryl-N'-(2-chloroethyl)ureas (CEUs) and derivatives were synthesized and evaluated for antiproliferative activity against a wide panel of tumor cell lines. Systematic structure--activity relationship (SAR) studies indicated that: (i) a branched alkyl chain or a halogen at the 4-position of the phenyl rin...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0010264
更新日期:2001-03-01 00:00:00
abstract::Adenosine (ADO) is an endogenous homeostatic inhibitory neuromodulator that reduces cellular excitability at sites of tissue injury and inflammation. Inhibition of adenosine kinase (AK), the primary metabolic enzyme for ADO, selectively increases ADO concentrations at sites of tissue trauma and enhances the analgesic ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm000314x
更新日期:2001-06-21 00:00:00
abstract::An empirical approach to improve the microsomal stability and CYP inhibition profile of lead compounds 1a and 1b led to the identification of 5 (BMS-341) as a dissociated glucocorticoid receptor modulator. Compound 5 showed significant improvements in pharmacokinetic properties and, unlike compounds 1a-b, displayed a ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.5b00257
更新日期:2015-05-28 00:00:00
abstract::Histone lysine methyltransferases (HKMTs) are an important class of targets for epigenetic therapy. 1 (chaetocin), an epidithiodiketopiperazine (ETP) natural product, has been reported to be a specific inhibitor of the SU(VAR)3-9 class of HKMTs. We have studied the inhibition of the HKMT G9a by 1 and functionally rela...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm401063r
更新日期:2013-11-14 00:00:00
abstract::The neutral endopeptidase inhibitor (2R)-2-[(1-{[(5-ethyl-1,3,4-thiadiazol-2-yl)amino]carbonyl}cyclopentyl)methyl]pentanoic acid 2 is metabolized to acyl glucuronide 3. Unprecedentedly, at pH 7.4, 3 does not undergo the O-acyl migration characteristic of acyl glucuronides but rapid, eliminative cyclization (t1/2 at 37...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0706766
更新日期:2007-11-29 00:00:00
abstract::(+/-)-7-Aminosulfonyl-3-fluoromethyl-1,2,3,4-tetrahydroisoquinoline (7) is one of the most potent and selective inhibitors of phenylethanolamine N-methyltransferase (PNMT) reported to date, but a blood-brain barrier (BBB) model indicates that it cannot penetrate the BBB. To increase the lipophilicity of 7 by addition ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0400653
更新日期:2004-08-26 00:00:00
abstract::A group of oligopeptides has been synthesized that are structurally related to the natural antiviral antitumor agents netropsin and distamycin but which bear alkylating functions. Cytostatic activity against both human and murine tumor cell lines as well as their in vitro activity against a range of viruses is reporte...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00397a012
更新日期:1988-02-01 00:00:00
abstract::Regression analysis of the potency of inhibition of monoamine oxidase by 47 propynylamines revealed that there are three determinants of inhibitory potency: (1) the smallest substituent on the nitrogen must be methyl or hydrogen in order for any activity to be observed; (2) potency is parabolically related to pKa-the ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00243a004
更新日期:1975-09-01 00:00:00
abstract::We disclose the design of a novel series of cyanoguanidines that are potent (IC(50) approximately 10-100 nM) and selective (> or = 100-fold) P2X(7) receptor antagonists against the other P2 receptor subtypes such as the P2Y(2), P2X(4), and P2X(3). We also found that these P2X(7) antagonists effectively reduced nocicep...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm8015848
更新日期:2009-05-28 00:00:00
abstract::A series of heterocyclic quinones, 6-substituted and 6,7-disubstituted 4-(alkylamino)-5,8-quinazolinediones, have been synthesized in order to evaluate their in vitro cytotoxicity on L1210 leukemia cells. Among 14 derivatives that have been prepared and studied for the structure-activity relationship, the most potent ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00105a007
更新日期:1991-01-01 00:00:00
abstract::A series of N-substituted 3-aminoglutarimides have been synthesized and tested for inhibitory activity against a range of chemokines in vitro and for suppression of lipopolysaccharide-induced inflammation in vivo. The results show that they represent the first class of small molecules with broad-spectrum chemokine inh...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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更新日期:2002-01-17 00:00:00
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journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0495273
更新日期:2005-06-30 00:00:00
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journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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更新日期:2015-01-08 00:00:00
abstract::Seven 3-N-substituted derivatives of 3-amino-beta-carboline were synthesized and their affinities for the benzodiazepine receptor were assessed in vitro. Two compounds, 3-(ethylamino)-beta-carboline and 3-[(methoxycarbonyl)amino]-beta-carboline (beta-CMC), showing IC50 values of 460 and 71 nM, respectively, were selec...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00383a024
更新日期:1985-06-01 00:00:00
abstract::The dopamine D(3) receptor is recognized as a potential therapeutic target for the treatment of various neurological and psychiatric disorders. Targetting high affinity and D(3) versus D(2) receptor-preferring ligands, the partial agonist BP 897 was taken as a lead structure. Variations in the spacer and the aryl moie...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm030836n
更新日期:2003-08-28 00:00:00
abstract::In our continuing study of triterpene derivatives as potent anti-HIV agents, different C-3 conformationally restricted betulinic acid (BA, 1) derivatives were designed and synthesized in order to explore the conformational space of the C-3 pharmacophore. 3-O-Monomethylsuccinyl-betulinic acid (MSB) analogues were also ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm901782m
更新日期:2010-04-22 00:00:00
abstract::Structure-activity relationships within a series of highly potent 2-carboxyindole-based factor Xa inhibitors incorporating a neutral P1 ligand are described with particular emphasis on the structural requirements for addressing subpockets of the factor Xa enzyme. Interactions with the subpockets were probed by systema...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0490540
更新日期:2005-07-14 00:00:00
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journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm070842+
更新日期:2008-02-28 00:00:00
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journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm050540c
更新日期:2006-01-26 00:00:00
abstract::Fragment-based NMR screening, X-ray crystallography, structure-based design, and focused chemical library design were used to identify novel inhibitors for BACE-1. A rapid optimization of an initial NMR hit was achieved by a combination of NMR and a functional assay, resulting in the identification of an isothiourea h...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm901472u
更新日期:2010-02-11 00:00:00
abstract::During the course of our investigations in the oxazolidinone antibacterial agent area, we have identified a subclass with especially potent in vitro activity against mycobacteria. The salient structural feature of these oxazolidinone analogues, 6 (U-100480), 7 (U-101603), and 8 (U-101244), is their appended thiomorpho...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm950956y
更新日期:1996-02-02 00:00:00