The importance of the active site histidine for the activity of epoxide- or aziridine-based inhibitors of cysteine proteases.

abstract：:The tropical diseases human African trypanosomiasis, Chagas disease, and the various forms of leishmaniasis are caused by parasites of the family of trypanosomatids. These protozoa possess a unique redox metabolism based on trypanothione and trypanothione reductase (TR), making TR a promising drug target. We report th...

journal_title：ChemMedChem

authors： De Gasparo R,Brodbeck-Persch E,Bryson S,Hentzen NB,Kaiser M,Pai EF,Krauth-Siegel RL,Diederich F

更新日期：2018-05-08 00:00:00

abstract：:Despite improvements in the treatment and prevention of cancer, the number of new diagnoses continues to rise; this has fuelled substantial interest in the development of new and effective chemotherapeutic agents. Compounds of the triazene class, such as dacarbazine, have been used in the clinical management of many c...

journal_title：ChemMedChem

authors： Diana P,Stagno A,Barraja P,Carbone A,Parrino B,Dall'Acqua F,Vedaldi D,Salvador A,Brun P,Castagliuolo I,Issinger OG,Cirrincione G

更新日期：2011-07-04 00:00:00

abstract：:A series of pyrazolo[3,4-d]pyrimidines, previously found to be Src inhibitors, was tested for their ability to inhibit proliferation of three Bcr-Abl-positive human leukemia cell lines (K-562, KU-812, and MEG-01), on the basis of the experimental evidence that various Src inhibitors are also active against Bcr-Abl kin...

journal_title：ChemMedChem

authors： Manetti F,Pucci A,Magnani M,Locatelli GA,Brullo C,Naldini A,Schenone S,Maga G,Carraro F,Botta M

更新日期：2007-03-01 00:00:00

abstract：:Nuclear magnetic resonance (NMR) spectroscopy is a valuable technique for ligand screening, because it exhibits high specificity toward chemical structure and interactions. Dissolution dynamic nuclear polarization (DNP) is a recent advance in NMR methodology that enables the creation of non-equilibrium spin states, wh...

journal_title：ChemMedChem

authors： Min H,Sekar G,Hilty C

更新日期：2015-09-01 00:00:00

abstract：:Targeted structural modifications have led to a novel type of buprenorphine-derived opioid receptor ligand displaying an improved selectivity profile for the μ-OR subtype. On this basis, it is shown that phenylazocarboxamides may serve as useful bioisosteric replacements for the widely occurring cinnamide units, witho...

journal_title：ChemMedChem

authors： Krüll J,Fehler SK,Hofmann L,Nebel N,Maschauer S,Prante O,Gmeiner P,Lanig H,Hübner H,Heinrich MR

更新日期：2020-07-03 00:00:00

abstract：:The in silico design, synthesis, and biological evaluation of ten potent type II dehydroquinase inhibitors are described. These compounds contain an anhydroquinate core, incorporated as a mimic of the enolate reaction intermediate. This substructure is attached by a variety of linking units to a terminal phenyl group ...

journal_title：ChemMedChem

authors： Payne RJ,Peyrot F,Kerbarh O,Abell AD,Abell C

更新日期：2007-07-01 00:00:00

abstract：:Recently we reported on aryl-fluorosulfates as possible stable and effective electrophiles for the design of lysine covalent, cell permeable antagonists of protein-protein interactions (PPIs). Here we revisit the use of aryl-sulfonyl fluorides as Lys-targeting moieties, incorporating these electrophiles in XIAP (X-lin...

journal_title：ChemMedChem

authors： Gambini L,Udompholkul P,Salem AF,Baggio C,Pellecchia M

更新日期：2020-11-18 00:00:00

abstract：:The role of beta-aminovinyl ketones as synthetic intermediates has been well categorised, but recent developments have shown an interesting array of applications and new chemotherapeutic potential, both in the preparation of biologically active heterocycles and as pharmacophores in their own right.Medicinal chemists a...

journal_title：ChemMedChem

authors： Gaber HM,Bagley MC

更新日期：2009-07-01 00:00:00

abstract：:Iridium(III) complexes of the type [Ir(η(5) -C5 Me5 )Cl2 {Ph2 PCH2 CH2 CH2 S(O)x Ph-κP}] (x=0-2; 1-3) and [Ir(η(5) -C5 Me5 )Cl{Ph2 PCH2 CH2 CH2 S(O)x Ph-κP,κS}][PF6 ] (x=0-1; 4 and 5) with 3-(diphenylphosphino)propyl phenyl sulfide, sulfoxide, and sulfone ligands Ph2 PCH2 CH2 CH2 S(O)x Ph were designed, synthesized, a...

journal_title：ChemMedChem

authors： Ludwig G,Ranđelović I,Maksimović-Ivanić D,Mijatović S,Bulatović MZ,Miljković D,Korb M,Lang H,Steinborn D,Kaluđerović GN

更新日期：2014-07-01 00:00:00

abstract：:Herein we describe the synthesis and conformational analysis of a series of bicyclic thymidine derivatives and their evaluation as inhibitors of thymidine monophosphate kinase from Mycobacterium tuberculosis (TMPKmt), based on previously discovered bicyclic sugar nucleosides. With a K(i) value of 2.3 microm, 1-[3-amin...

journal_title：ChemMedChem

authors： Van Daele I,Munier-Lehmann H,Hendrickx PM,Marchal G,Chavarot P,Froeyen M,Qing L,Martins JC,Van Calenbergh S

更新日期：2006-10-01 00:00:00

abstract：:A group of acidic nucleosides were synthesized to develop a new class of ribonuclease A (RNase A) inhibitors. Our recent study on carboxymethylsulfonyl-modified nucleosides revealed some interesting results in RNase A inhibition. This positive outcome triggered an investigation of the role played by secondary sugar hy...

journal_title：ChemMedChem

authors： Datta D,Dasgupta S,Pathak T

更新日期：2014-09-01 00:00:00

abstract：:The enzyme cyclooxygenase-2 (COX-2) is overexpressed in many cancers, cardiovascular disease, neurodegenerative disorders, and arthritis. Selective inhibitors of COX-2 have been developed as therapeutics or preventive agents for these diseases. However, recent reports have revealed a significant increase in cardiovasc...

journal_title：ChemMedChem

authors： Schuller HM,Kabalka G,Smith G,Mereddy A,Akula M,Cekanova M

更新日期：2006-06-01 00:00:00

abstract：:Different Mannich base derivatives have been studied with the aim of addressing the poor aqueous solubility of the recently disclosed 6-phenethyl-2,3,4,5-tetrahydroazepino[4,3-b]indol-1(6H)-one (1), a human butyrylcholinesterase inhibitor (hBChE, IC50 13 nM) and protective agent in NMDA-induced neurotoxicity, in in vi...

journal_title：ChemMedChem

authors： Purgatorio R,de Candia M,Catto M,Rullo M,Pisani L,Denora N,Carrieri A,Nevskaya AA,Voskressensky LG,Altomare CD

更新日期：2020-11-06 00:00:00

abstract：:Despite bioavailability issues, tea catechins have emerged as promising chemopreventive agents because of their efficacy in various animal models. We synthesized two catechin-derived compounds, 3-O-(3,4,5-trimethoxybenzoyl)-(-)-catechin (TMCG) and 3-O-(3,4,5-trimethoxybenzoyl)-(-)-epicatechin (TMECG), in an attempt to...

journal_title：ChemMedChem

authors： Sáez-Ayala M,Sánchez-del-Campo L,Montenegro MF,Chazarra S,Tárraga A,Cabezas-Herrera J,Rodríguez-López JN

更新日期：2011-03-07 00:00:00

abstract：:Plumbagin (5-hydroxy-2-methyl-1,4-naphthoquinone) is a small molecule with potent anticancer activity. Like other 1,4-naphthoquinones, it exhibits electrophilic reactivity towards biological nucleophiles. We demonstrate that plumbagin and structurally related 1,4-naphthoquinones with at least one unsubstituted quinoid...

journal_title：ChemMedChem

authors： Chrastina A,Welsh J,Rondeau G,Abedinpour P,Borgström P,Baron VT

更新日期：2020-07-20 00:00:00

abstract：:Selective inhibitors of the protein tyrosine phosphatase SHP2 (src homology region 2 domain phosphatase; PTPN11), an enzyme that is deregulated in numerous human tumors, were generated through a combination of chemical synthesis and structure-based rational design. Seventy pyridazolon-4-ylidenehydrazinyl benzenesulfon...

journal_title：ChemMedChem

authors： Grosskopf S,Eckert C,Arkona C,Radetzki S,Böhm K,Heinemann U,Wolber G,von Kries JP,Birchmeier W,Rademann J

更新日期：2015-05-01 00:00:00

abstract：:A library of new aryl-substituted naphthalene C8-linked pyrrolo[2,1-c][1,4]benzodiazepine (PBD) conjugates with various linker architectures were designed, synthesized, and evaluated for their anticancer activity against a panel of 11 human cancer cell lines. All 32 conjugates show anticancer potential, with some of t...

journal_title：ChemMedChem

authors： Kamal A,Reddy MK,Ramaiah MJ,Srikanth YV,Rajender,Reddy VS,Kumar GB,Pushpavalli SN,Bag I,Juvekar A,Sen S,Zingde SM,Pal-Bhadra M

更新日期：2011-09-05 00:00:00

abstract：:β-Sheet antimicrobial peptides (AMPs) are well recognized as promising candidates for the treatment of multidrug-resistant bacterial infections. To dissociate antimicrobial activity and hemolytic effect of β-sheet AMPs, we hypothesize that N-methylation of the intramolecular hydrogen bond(s)-forming amides could impro...

journal_title：ChemMedChem

authors： Li Y,Bionda N,Yongye A,Geer P,Stawikowski M,Cudic P,Martinez K,Houghten RA

更新日期：2013-11-01 00:00:00

abstract：:Soluble guanylate cyclase (sGC) is a key signal-transduction enzyme activated by nitric oxide (NO). Impairments of the NO-sGC signaling pathway have been implicated in the pathogenesis of cardiovascular and other diseases. Direct stimulation of sGC represents a promising therapeutic strategy particularly for the treat...

journal_title：ChemMedChem

authors： Mittendorf J,Weigand S,Alonso-Alija C,Bischoff E,Feurer A,Gerisch M,Kern A,Knorr A,Lang D,Muenter K,Radtke M,Schirok H,Schlemmer KH,Stahl E,Straub A,Wunder F,Stasch JP

更新日期：2009-05-01 00:00:00

abstract：:Quorum sensing has been implicated in the control of pathologically relevant bacterial behavior such as secretion of virulence factors, biofilm formation, sporulation, and swarming motility. The AI-2 quorum sensing pathway is found in both gram-positive and gram-negative bacteria. Therefore, antagonizing AI-2 quorum s...

journal_title：ChemMedChem

authors： Li M,Ni N,Chou HT,Lu CD,Tai PC,Wang B

更新日期：2008-08-01 00:00:00

abstract：:Cardiotoxicity is a common side effect of a large variety of drugs that is often caused by off-target human ether-à-go-go-related gene (hERG) potassium channel blockade. In this study, we designed and synthesized a series of derivatives of the class III antiarrhythmic agent E-4031. These compounds where evaluated in a...

journal_title：ChemMedChem

authors： Vilums M,Overman J,Klaasse E,Scheel O,Brussee J,IJzerman AP

更新日期：2012-01-02 00:00:00

abstract：:We recently reported the synthesis and biological evaluation of a novel series of 5-alkyl-2-(N,N-disubstituted)amino-6-(2,6-difluorophenylalkyl)-3,4-dihydropyrimidin-4(3H)-ones (F(2)-N,N-DABOs). These compounds are highly active against both wild-type HIV-1 and the K103N, Y181C, and Y188L mutant strains. Herein we pre...

journal_title：ChemMedChem

authors： Samuele A,Facchini M,Rotili D,Mai A,Artico M,Armand-Ugón M,Esté JA,Maga G

更新日期：2008-09-01 00:00:00

abstract：:Leishmaniasis is a complex disease caused by over 20 Leishmania species that primarily affects populations with poor socioeconomic conditions. Currently available drugs for treating leishmaniasis include amphotericin B, paromomycin, and pentavalent antimonials, which have been associated with several limitations, such...

journal_title：ChemMedChem

authors： Herrera-Acevedo C,Perdomo-Madrigal C,Muratov EN,Scotti L,Scotti MT

更新日期：2020-12-17 00:00:00

abstract：:Over the years, the 2-substituted imidazoline nucleus has been demonstrated to be a bioversatile structural motif. In this study, novel imidazoline derivatives bearing a 3- and/or 4-hydroxy- or methoxy-substituted phenyl ring, linked by an ethylene bridge to position 2 of an N-benzyl- or N-phenethyl-substituted imidaz...

journal_title：ChemMedChem

authors： Mammoli V,Bonifazi A,Dal Ben D,Giannella M,Giorgioni G,Piergentili A,Pigini M,Quaglia W,Thomas A,Newman AH,Ferré S,Sanchez-Soto M,Keck TM,Del Bello F

更新日期：2016-08-19 00:00:00

abstract：:3,6-Dimethyl-1,2,4,5-tetrazine-1,4-dicarboxamide derivatives were synthesized, and their structures were confirmed by single-crystal X-ray diffraction. This reaction yields the 1,4-dicarboxamide derivatives rather than the 1,2-dicarboxamide derivatives. Their in vitro antitumor activities were evaluated against SGC-79...

journal_title：ChemMedChem

authors： Rao GW,Guo YM,Hu WX

更新日期：2012-06-01 00:00:00

abstract：:Better control of postprandial hyperglycemia can be achieved by delaying the absorption of glucose resulting from carbohydrate digestion. Because α-amylase initiates the hydrolysis of polysaccharides, the design of α-amylase inhibitors can lead to the development of new treatments for metabolic disorders such as type ...

journal_title：ChemMedChem

authors： Al-Asri J,Gyémánt G,Fazekas E,Lehoczki G,Melzig MF,Wolber G,Mortier J

更新日期：2016-11-07 00:00:00

abstract：:There has been significant interest in spleen tyrosine kinase (Syk) owing to its role in a number of disease states, including autoimmunity, inflammation, and cancer. Ongoing therapeutic programs have resulted in several compounds that are now in clinical use. Herein we report our optimization of the imidazopyrazine c...

journal_title：ChemMedChem

authors： Lovering F,Aevazelis C,Chang J,Dehnhardt C,Fitz L,Han S,Janz K,Lee J,Kaila N,McDonald J,Moore W,Moretto A,Papaioannou N,Richard D,Ryan MS,Wan ZK,Thorarensen A

更新日期：2016-01-19 00:00:00

abstract：:A series of new dibenzoxepines were synthesized in a straightforward and efficient manner through diastereoselective biaryl Suzuki-Miyaura coupling and Brønsted-acid-mediated cyclodehydration as key steps. The vascular-disrupting potential of these molecules was evaluated with various in vitro assays: inhibition of mi...

journal_title：ChemMedChem

authors： Joncour A,Liu JM,Décor A,Thoret S,Wdzieczak-Bakala J,Bignon J,Baudoin O

更新日期：2008-11-01 00:00:00

abstract：:Small-molecule inhibitors of hypoxia-inducible factor prolyl hydroxylases (HIF-PHs) are currently under clinical development as novel treatment options for chronic kidney disease (CKD) associated anemia. Inhibition of HIF-PH mimics hypoxia and leads to increased erythropoietin (EPO) expression and subsequently increas...

journal_title：ChemMedChem

authors： Beck H,Jeske M,Thede K,Stoll F,Flamme I,Akbaba M,Ergüden JK,Karig G,Keldenich J,Oehme F,Militzer HC,Hartung IV,Thuss U

更新日期：2018-05-23 00:00:00

abstract：:S100B contributes to cell proliferation by binding the C terminus of p53 and inhibiting its tumor suppressor function. The use of multiple computational approaches to screen fragment libraries targeting the human S100B-p53 interaction site is reported. This in silico screening led to the identification of 280 novel pr...

journal_title：ChemMedChem

authors： Agamennone M,Cesari L,Lalli D,Turlizzi E,Del Conte R,Turano P,Mangani S,Padova A

更新日期：2010-03-01 00:00:00