Biochemical and structural characterisation of a protozoan beta-carbonic anhydrase from Trichomonas vaginalis.

abstract：CONTEXT:Tumor acidity represents a major cause of chemoresistance. Proton pump inhibitors (PPIs) can neutralize tumor acidity, sensitizing cancer cells to chemotherapy. OBJECTIVE:To compare the anti-tumor efficacy of different PPIs in vitro and in vivo. MATERIALS AND METHODS:In vitro experiments PPIs anti-tumor effic...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Lugini L,Federici C,Borghi M,Azzarito T,Marino ML,Cesolini A,Spugnini EP,Fais S

更新日期：2016-08-01 00:00:00

abstract：:The small and highly electronegative fluorine atom can play a remarkable role in medicinal chemistry. Selective installation of fluorine into a therapeutic or diagnostic small molecule candidate can enhance a number of pharmacokinetic and physicochemical properties such as improved metabolic stability and enhanced mem...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Shah P,Westwell AD

更新日期：2007-10-01 00:00:00

abstract：:The bromodomain and extra-terminal (BET) bromodomains, particularly BRD4, have been identified as promising therapeutic targets in the treatment of many human disorders such as cancer, inflammation, obesity, and cardiovascular disease. Recently, the discovery of novel BRD4 inhibitors has garnered substantial interest....

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Zhang Z,Gu L,Wang B,Huang W,Zhang Y,Ma Z,Zeng S,Shen Z

更新日期：2019-12-01 00:00:00

abstract：:Structure modification of the side chain of the lead compound benzoxanthone provided a series of benzoxanthone analogues and 12 of them were first reported. The results showed that most of these compounds had moderate cytotoxicity against tumour cells with the 50% inhibition concentration in the micromolar range. Furt...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Cheng P,Zhu L,Guo W,Liu W,Yao J,Dong G,Zhang Y,Zhuang C,Sheng C,Miao Z,Zhang W

更新日期：2012-06-01 00:00:00

abstract：:The aims of this study were to examine the antiproliferation of Humulus lupulus extracts on human hepatoma carcinoma (Hep3B) and human colon carcinoma (HT-29) cell lines along with enzyme inhibitory effects of the crude extracts. Potential cell cytotoxicity of six different H. lupulus extracts were assayed on various ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Cömert Önder F,Ay M,Aydoğan Türkoğlu S,Tura Köçkar F,Çelik A

更新日期：2016-01-01 00:00:00

abstract：:A novel series of substituted pyrimidine compounds bearing N-phenylpyrazole and terminating with aryl and cyclic sulfonamido moiety were designed, synthesized, and evaluated in vitro as antiproliferative agents against a panel of 53 cell lines of different tissues at the NCI. Among them, compound 1d with p-chlorobenze...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Gamal El-Din MM,El-Gamal MI,Abdel-Maksoud MS,Yoo KH,Baek D,Choi J,Lee H,Oh CH

更新日期：2016-01-01 00:00:00

abstract：:In this article the synthesis of new 1H-(2'-pyridyl)-3-methyl-5-hydroxypyrazole and 1H-(2'-pyridyl)-3-phenyl-5-hydroxypyrazole complexes with palladium(II) ions is reported. The structures of obtained compounds have been characterized by X-ray crystallography and DFT (density functional theory) calculations. The cytot...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ciolkowski M,Paneth P,Lorenz IP,Mayer P,Rozalski M,Krajewska U,Budzisz E

更新日期：2009-12-01 00:00:00

abstract：:The mechanism of inhalation anesthesia remains to be fully elucidated. While certain neuronal membrane proteins are considered sites of action, cytosolic proteins may also be targets. We hypothesize that inhaled anesthetics may act via glyceraldehyde 3-phosphate dehydrogenase (GAPDH), which has recently been shown to ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Swearengin TA,Fibuch EE,Seidler NW

更新日期：2006-10-01 00:00:00

abstract：:The α-glucosidase inhibitory activities of bergenin derivatives were evaluated. Bergenin derivatives were synthesized from bergenin which is a characteristic compound of B. ligulata. A new bergenin derivative, 11-O-(3',4'-dimethoxybenzoyl)-bergenin showed the highest potent inhibitory activity among those of bergenin ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Kashima Y,Yamaki H,Suzuki T,Miyazawa M

更新日期：2013-12-01 00:00:00

abstract：:The synthesis of a new series of imidazo[1,2-a]pyrazine-2-carboxylic acid arylidene-hydrazides is described. The chemical structures of the compounds were elucidated by IR, (1)H-NMR, FAB(+)-MS spectral data. Their biological activity against various bacteria, fungi species, and Mycobacterium tuberculosis was investiga...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ozdemir A,Turan-Zitouni G,Kaplancikli ZA,Tunali Y

更新日期：2009-06-01 00:00:00

abstract：:The hypoxic tumour microenvironment of solid tumours represents an important starting point for modulating progression and metastatic spread. Carbonic anhydrase IX (CAIX) is a known HIF-1α-dependent key player in maintaining cell pH conditions under hypoxia. We show that CAIX is strongly expressed in esophageal carcin...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Drenckhan A,Freytag M,Supuran CT,Sauter G,Izbicki JR,Gros SJ

更新日期：2018-12-01 00:00:00

abstract：:Human neutrophil elastase (HNE) is an important target for the development of novel and selective inhibitors to treat inflammatory diseases, especially pulmonary pathologies. Here, we report the synthesis, structure-activity relationship analysis, and biological evaluation of a new series of HNE inhibitors with an iso...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Vergelli C,Schepetkin IA,Crocetti L,Iacovone A,Giovannoni MP,Guerrini G,Khlebnikov AI,Ciattini S,Ciciani G,Quinn MT

更新日期：2017-12-01 00:00:00

abstract：:The present study describes the synthesis of a series of new 4-aminoquinoline-derived thiazolidines and evaluation of their antimalarial activity against a NF-54 strain of Plasmodium falciparum in vitro and N-67 strain of Plasmodium yoelii in vivo. Among the series, two compounds, 2-(4-chloro-phenyl)-thiazolidine-4-ca...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Solomon VR,Haq W,Srivastava K,Puri SK,Katti SB

更新日期：2013-06-01 00:00:00

abstract：:The current study was designed to assess the inhibitory activity of Broussonetia papyrifera-derived polyphenols against 3-chymotrypsin-like and papain-like coronavirus cysteine proteases. The isolated compounds were broussochalcone B (1), broussochalcone A (2), 4-hydroxyisolonchocarpin (3), papyriflavonol A (4), 3'-(3...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Park JY,Yuk HJ,Ryu HW,Lim SH,Kim KS,Park KH,Ryu YB,Lee WS

更新日期：2017-12-01 00:00:00

abstract：:Resveratrol is a natural polyphenol with plethora of biological activities. Resveratrol has previously shown to decrease DNA-methyltransferase (DNMT) enzymes expression and to reactivate silenced tumor suppressor genes. Currently, it seems that no resveratrol analogs have been developed as DNMT inhibitors. Recently, w...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Aldawsari FS,Aguayo-Ortiz R,Kapilashrami K,Yoo J,Luo M,Medina-Franco JL,Velázquez-Martínez CA

更新日期：2016-10-01 00:00:00

abstract：:The flip regression procedure that we used earlier for handling the xanthones system has been applied to phenylaminoquinazoline analogues. It is known that the substituents at the 6- and 7- positions of the polycyclic system have been identified as the most important structural features. The steric as well as the elec...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Deeb O,Clare BW

更新日期：2008-12-01 00:00:00

abstract：:The trypanocidal activity of N-allyl (NAOx) and N-propyl (NPOx) oxamates and that of the ethyl esters ofN-allyl (Et-NAOx) and N-propyl (Et-NPOx) oxamates were tested on cultured epimastigotes (in vitro) and murine trypanosomiasis (in vivo) using five different T. cruzi strains. NAOx and NPOx did not penetrate intact e...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Aguirre-Alvarado C,Zaragoza-Martínez F,Rodríguez-Páez L,Nogueda B,Baeza I,Wong C

更新日期：2007-04-01 00:00:00

abstract：:A series of quinazoline derivatives with benzylidene hydrazine carboxamide were designed and synthesised as EGFR inhibitors. Most compounds exhibited exceptional anti-proliferative activity against A549, HepG2, MCF-7 and H1975 cells. Furthermore, six compounds demonstrated excellent inhibition activity against EGFRWT ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Wang C,Xu S,Peng L,Zhang B,Zhang H,Hu Y,Zheng P,Zhu W

更新日期：2019-12-01 00:00:00

abstract：:This study presents the synthesis and in vitro pharmacological evaluations of novel 2-(4-cyanophenyl amino)-4-(6-bromo-4-quinolinyloxy)-6-piperazinyl (piperidinyl)-1,3,5-triazines. The title compounds were assayed for their in vitro antimicrobial activity against eight bacteria (Staphylococcus aureus, Bacillus cereus,...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Patel RV,Kumari P,Rajani DP,Chikhalia KH

更新日期：2012-06-01 00:00:00

abstract：:We investigated the antioxidant and enzyme inhibitory activities and chemical composition of the hydro-distilled essential oil (0.35% yield) from aerial parts of Thymus spathulifolius. Antioxidant capacity of the oil was assessed by different methods including free radical scavenging (DPPH and ABTS), reducing power (F...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ceylan R,Zengin G,Uysal S,Ilhan V,Aktumsek A,Kandemir A,Anwar F

更新日期：2016-12-01 00:00:00

abstract：:Analogs of pralidoxime, which is a commercial antidote for intoxication from neurotoxic organophosphorus compounds, were designed, synthesized, characterized, and tested as potential inhibitors or reactivators of acetylcholinesterase (AChE) using the Ellman's test, nuclear magnetic resonance, and molecular modeling. T...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Petronilho Eda C,Rennó Mdo N,Castro NG,da Silva FM,Pinto Ada C,Figueroa-Villar JD

更新日期：2016-12-01 00:00:00

abstract：:In this study, the synthetic way to new N-pyridinyl(methyl)indolylpropanamides acting as non acidic NSAIDs has been described. Pharmacomodulation was carried out at N(1) and C(5) of the indole ring and at the level of the propanamide chain. N(3)-pyridinylmethyl-[1(4-chlorobenzyl-5-chloroindol-3-yl)propanamide represen...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Dassonville A,Lardic M,Breteche A,Nourrisson MR,Le Baut G,Grimaud N,Petit JY,Duflos M

更新日期：2008-10-01 00:00:00

abstract：:We investigated the ability of polyphenol fatty acid esters to inhibit the activity of serine proteases trypsin, thrombin, elastase and urokinase. Potent protease inhibition in micromolar range was displayed by rutin and rutin derivatives esterified with medium and long chain, mono- and polyunsaturated fatty acids (1e...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Viskupicova J,Danihelova M,Majekova M,Liptaj T,Sturdik E

更新日期：2012-12-01 00:00:00

abstract：:Recently we found that 1-methyldodecanoylindole-2-carboxylic acid (1) and 1-[2-(4-carboxyphenoxy)ethyl]-3-dodecanoylindole-2-carboxylic acid (4) were inhibitors of the cytosolic phospholipase A2alpha (cPLA2alpha)-mediated arachidonic acid release in calcium ionophore A23187-stimulated human platelets with IC50-values ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ghasemi A,Elfringhoff AS,Lehr M

更新日期：2005-10-01 00:00:00

abstract：:Initial velocity enzyme kinetics was used to study the inhibition mechanism of guanidine hydrochloride (Gdm.Cl) on catalytic activity of recombinant human protein disulfide isomerase (rhPDI) in protein folding. Reduced C125A recombinant human interleukin 2 (C125A rhIL-2), the substrate, was dissolved in 8 M Gdm.Cl bef...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Du C,Wolfe JL

更新日期：2003-02-01 00:00:00

abstract：:Recently the literature described the binding of Haptoglobin (HP) with ecotin, a fold-specific serine-proteases inhibitor with an anticoagulant profile and produced by Escherichia coli. In this work, we used some in silico and in vitro techniques to evaluate HP 3D-fold and its interaction with wild-type ecotin and two...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Sathler PC,Lourenço AL,Miceli LA,Rodrigues CR,Albuquerque MG,Cabral LM,Castro HC

更新日期：2014-04-01 00:00:00

abstract：:In order to understand the binding modes of human DNA polymerase alpha (pol alpha) inhibitors on a molecular level, a 3D homology model of the active site of the enzyme was proposed based on the application of molecular modelling methods and molecular dynamic simulations using available crystal coordinates of pol alph...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Richartz A,Höltje M,Brandt B,Schäfer-Korting M,Höltje HD

更新日期：2008-02-01 00:00:00

abstract：:Direct interaction between 7-chloro-1-cyclopropyl-6-fluoro-8-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid and primary α-amino acids (exemplified by glycine, alanine, and l-valine) in aqueous ethanolic NaHCO(3) at 70-80°C for 24-72 h produced the respective N-(4-oxoquinolin-7-yl)-α-amino acids (6a-c). The latter ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Al-Hiari YM,Shakya AK,Alzweiri MH,Al-Qirim TM,Shattat G,El-Abadelah MM

更新日期：2011-10-01 00:00:00

abstract：:In mammalian skin, melanocyte proliferation and melanogenesis can be stimulated by keratinocytes, fibroblasts and other regulatory factors. To determine whether hydroxybenzyl alcohols (HBAs) show more inhibitory in melanocytes cultured alone or in melanocytes co-cultured with keratinocytes, we developed a murine melan...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Liu SH,Chu IM,Pan IH

更新日期：2008-08-01 00:00:00

abstract：:Protein disulphide isomerase (PDI) in the endoplasmic reticulum catalyzes the rearrangement of disulphide bridges during folding of secreted proteins. It binds various molecules that inhibit its activity. But here, we looked for molecules that would potentiate its activity. PDI reductase activity was measured in vitro...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Hassan MH,Alvarez E,Cahoreau C,Klett D,Lecompte F,Combarnous Y

更新日期：2011-10-01 00:00:00