abstract：:Neurodegenerative disorders are consequences of progressive and irreversible loss of neurons due to unwanted apoptosis which involves caspases, a group of cysteine proteases that cleave other proteins and inactivate them. Among several different groups of caspase enzymes, caspases-3 plays a key role in apoptosis and a...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Sharma S,Ravichandran V,Jain PK,Mourya VK,Agrawal RK

更新日期：2008-06-01 00:00:00

abstract：:The tyrosine kinase inhibitory action of the derivatives of N-Phenyl-N'-{4-(4-quinolyloxy)phenyl}urea is quantitatively analyzed using multiple regression analysis. The analysis has helped to ascertain the role of different substituents in explaining the observed inhibitory actions of these compounds for two receptors...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Sharma BK,Sharma SK,Singh P,Sharma S

更新日期：2008-04-01 00:00:00

abstract：:Cobalt (II), copper (II), nickel (II) and zinc (II) complexes with 2-hydroxy-1-naphthaldehyde derived N-substituted sulfonamides have been synthesized and the nature of bonding and structure of compounds have been deduced from physical, analytical and spectral (IR, (1)H NMR, (13)C NMR, Mass and electronic) data. An oc...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Chohan ZH,Supuran CT

更新日期：2008-04-01 00:00:00

abstract：:A new series of 6, 7-dihydroxy-3-(methylphenyl) chromenones, including three new derivatives, i.e. 6,7-dihydroxy-3-(2-methylphenyl)-2H-chromen-2-one (OPC); 6,7-dihydroxy-3-(3-methylphenyl)-2H-chromen-2-one (MPC); 6,7-dihydroxy-3-(4-methylphenyl)-2H-chromen-2-one (PPC) and one previously described, namely 6,7-dihydroxy...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Basaran I,Sinan S,Cakir U,Bulut M,Arslan O,Ozensoy O

更新日期：2008-02-01 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：:In this study, di(2,6-dimethylphenol) (Di-DMP), di(2,6-diisopropylphenol) (Di-DIP, dipropofol) and di(2,6-di-t-butylphenol) (Di-DTP) were synthesized by the reaction of monomeric phenol derivatives with catalytic CuCl(OH). TMEDA and Na2S2O4. Their antioxidant capacity and radical scavenging activity were examined usin...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Güllçin I,Daştan A

更新日期：2007-12-01 00:00:00

abstract：:The inhibition of two human carbonic anhydrase (HCA, EC 4.2.1.1) isozymes, the cytosolic HCA I and II, with heavy metal salts of Pb(II), Co(II) and Hg(II) has been investigated. Human erythrocyte CA-I isozyme was purified with a specific activity of 920 EUmg(-1) and a yield of 30% and CA-II isozyme was purified with a...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ekinci D,Beydemir S,Küfrevioğlu OI

更新日期：2007-12-01 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 synthesis of new 4-[2-(alkylamino)ethylthio]pyrrolo[1,2-a]quinoxaline derivatives la-1 is described in five or six steps starting from various substituted nitroanilines 2a-e. The bioisostere 5-[2-(alkylamino)ethylthio]pyrrolo[1,2- a]thieno[3,2-e]pyrazine 1m was also prepared. The new derivatives were evaluated as ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Vidaillac C,Guillon J,Moreau S,Arpin C,Lagardère A,Larrouture S,Dallemagne P,Caignard DH,Quentin C,Jarry C

更新日期：2007-10-01 00:00:00

abstract：:Flavonoids, polyphenolic phytochemicals, are ubiquitous in plants and are commonly present in the human diet. They may exert diverse beneficial effects, including antioxidant and anticarcinogenic activities. The present study was designed to evaluate three biomolecules that play important roles in the apoptotic proces...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： de Sousa RR,Queiroz KC,Souza AC,Gurgueira SA,Augusto AC,Miranda MA,Peppelenbosch MP,Ferreira CV,Aoyama H

更新日期：2007-08-01 00:00:00

abstract：:The increasing clinical importance of drug-resistant mycobacterial pathogens has lent additional urgency to microbiological research and new antimycobacterial compound development. For this purpose, new triazoles were synthesized and evaluated for antituberculosis activity. A series of 4-arylidenamino-4H-1,2,4-triazol...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ozdemir A,Turan-Zitouni G,Kaplancikli ZA,Chevallet P

更新日期：2007-08-01 00:00:00

abstract：:Enzyme inhibition by fullerene derivatives has attracted much attention. In this communication, effects of two water-solube fullerene derivatives, fullerol and trimalonic acid C60 (TMA C60) on polymerase chain reaction (PCR) were investigated by using PCR of beta-actin cDNA derived from HeLa cells as an experimental m...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Meng X,Li B,Chen Z,Yao L,Zhao D,Yang X,He M,Yu Q

更新日期：2007-06-01 00:00:00

abstract：:Starting from a simple general reaction mechanism of activation of aspartic proteinases zymogens involving a uni- and a bimolecular simultaneous activation route and a reversible inhibition step, the time course equation of the zymogen, inhibitor and activated enzyme concentrations have been derived. Likewise, express...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Muñoz-López A,Sotos-Lomas A,Arribas E,Masia-Perez J,Garcia-Molina F,García-Moreno M,Varon R

更新日期：2007-04-01 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：:The results of extensive quantitative structure-activity relationship (QSAR) analyses on 15 series of cytochrome P450 inhibitors, covering a total of 7 enzymes and 199 compounds, are reported. In general, it is found that lipophilicity represents the most important single factor in describing differences in inhibitory...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Lewis DF,Lake BG,Dickins M

更新日期：2007-02-01 00:00:00

abstract：:Trypanothione reductase (TR) is a major enzyme in trypanosomatids. Its substrate, trypanothione is a molecule containing a tripeptide (L-glutamic acid-cysteine-glycine) coupled to a polyamine, spermidine. This redox system (TR/Trypanothione) is vital for parasite survival within the host cell and has been described as...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Castro-Pinto DB,Lima EL,Cunha AS,Genestra M,De Léo RM,Monteiro F,Leon LL

更新日期：2007-02-01 00:00:00

abstract：:A series of N1-(substituted)aryl-5,7-dimethyl-2-(substituted)pyrido(2,3-d)pyrimidin-4(3H)-one was designed on the basis of the triangular pharmacophoric requirement of histamine H1-receptor antagonists. The designed series was synthesized by cyclo-condensation of monoaryl thiourea with ethyl cyanoacetate in the presen...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Suhagia BN,Chhabria MT,Makwana AG

更新日期：2006-12-01 00:00:00

abstract：:Two fractions of rat intestinal alkaline phosphatase (IAP) were detected by Western blot: 168 +/- 6 and 475 +/- 45 kDa. The low molecular weight fraction constitutes 43% of the isolated proteins exhibiting 82% of the enzymatic activity, and a heavier fraction constitutes 57% of the isolated proteins and has 18% of the...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Brun LR,Brance ML,Rigalli A,Puche RC

更新日期：2006-12-01 00:00:00

abstract：:Nerve agents such as sarin, cyclosarin and tabun are organophosphorus substances able to inhibit the enzyme acetylcholinesterase (AChE; EC 3.1.1.7). AChE reactivators and anticholinergics are generally used as antidotes in the case of intoxication with these agents. None of the known AChE reactivators is able to react...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Hrabinova M,Musilek K,Jun D,Kuca K

更新日期：2006-10-01 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：:Quantitative structure-activity relationships (QSARs) within a series of cytochrome P450 2C9 (CYP2C9) and cytochrome P450 2C19 (CYP2C19) inhibitors are reported. In particular, it is noted that compound lipophilicity, in the form of log P values (where P is the octanol/water partition coefficient), is an important fac...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Lewis DF,Lake BG,Ito Y,Dickins M

更新日期：2006-08-01 00:00:00

abstract：:Complexes of Mn(II), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) with the Schiff bases salicylidene-o-aminothiophenol (H2L) and thiophene-o-carboxaldeneaniline (SB) have been synthesized and characterized by elemental analyses, magnetic measurements, thermogravimetric analyses as well as infrared spectra and reflectance...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Panchal PK,Pansuriya PB,Patel MN

更新日期：2006-08-01 00:00:00

abstract：:Berberine was investigated as an inhibitor of human protein tyrosine phosphatase 1B (h-PTP 1B) in an attempt to explain its anti-hyperglycemic activitiy. The investigation included simulated docking experiments to fit berberine within the binding pocket of h-PTP 1B. Berberine was found to readily fit within the bindin...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Bustanji Y,Taha MO,Yousef AM,Al-Bakri AG

更新日期：2006-04-01 00:00:00

abstract：:New, except 1d, melatonin analogue benzimidazole derivatives were synthesized and characterized in the present study. The potential role of melatonin as an antioxidant by scavenging and detoxifying ROS raised the possibility that compounds that are analogous to melatonin can also be used for their antioxidant properti...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Gurer-Orhan H,Orhan H,Suzen S,Püsküllü MO,Buyukbingol E

更新日期：2006-04-01 00:00:00

abstract：:Phytochemical investigations on the chloroform and ethyl acetate soluble fractions of the roots of Ranunculus repens led to the isolation of methyl 3,4,5-trihydroxybenzoate 1, R(+)- 4-methoxydalbergione 2 and R(+)-dalbergiophenol 3. The structures of these compounds were established through spectral studies including ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Khan WN,Lodhi MA,Ali I,Azhar-Ul-Haq,Malik A,Bilal S,Gul R,Choudhary MI

更新日期：2006-02-01 00:00:00

abstract：:Arylsulfatase B (ASB) hydrolyzes the desulfation of N-acetylgalactosamine-4-sulfate at the non-reducing terminal of glycosaminoglycans. This enzyme activity was found to be elevated in mice schistosomiasis. In the present study, the catalytic and immunological properties of purified ASB from the liver of Schistosoma-i...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Balbaa M,Bassiouny K

更新日期：2006-02-01 00:00:00

abstract：:A revisited synthesis of 2-aryl-6-methyl-1,2-dihydro-1H-pyridin-4-ones and their saturated analogues 2-aryl-6-methylpiperidin-4-ols is described. A five steps procedure, using the sulfinimine chemistry, to prepare a key intermediate beta-(6-chloronicotinic)-beta-amino ester is also reported. In vivo spontaneous workin...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Leflemme N,Freret T,Boulouard M,Dallemagne P,Rault S

更新日期：2005-12-01 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：:The synthesis and antioxidant evaluation of some novel benzimidazole derivatives (10-24) are described. Antioxidant properties of the compounds were investigated employing various in vitro systems viz., microsomal NADPH-dependent inhibition of lipid peroxidation (LP), interaction of 2,2-diphenyl-1-picrylhydrazyl (DPPH...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ayhan-Kilcigil G,Kuş C,Coban T,Can-Eke B,Ozbey S,Iscan M

更新日期：2005-10-01 00:00:00

abstract：:The in vivo and in vitro antiandrogenic activity of four aromatic esters 10a-10d, one aliphatic ester 10e based on the pregna-4,16-diene-6, 20-dione structure and two aromatic 17c, 17d and two aliphatic valeroyloxy esters 17a, 17b based on the more saturated 4-pregnene-6,20-dione skeleton was examined. The biological ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Cabeza M,Heuze I,Sánchez M,Bratoeff E,Ramírez E,Rojas A,Orozco A,Mungía A,Agustín G,Cuatepotzo L,Gonzalez C,Palma S,Padilla D,Perez V,Jimenez G

更新日期：2005-08-01 00:00:00

abstract：:The tumor-associated transmembrane carbonic anhydrase (CA, EC 4.2.1.1) isozymes IX (CA IX) and XII (CA XII) are involved in acidification of hypoxic tumors, a process correlated with poor prognosis and clinical outcome of patients harboring such tumors. This process may be reversed by inhibiting these enzymes with pot...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Pastorekova S,Vullo D,Casini A,Scozzafava A,Pastorek J,Nishimori I,Supuran CT

更新日期：2005-06-01 00:00:00

abstract：:In the presence of the anionic surfactant sodium n-dodecyl sulphate (SDS), horseradish peroxidase (HRP) undergoes a deactivation process. Suicide inactivation of horseradish peroxidase by hydrogen peroxide(3 mM) was monitored by the absorbance change in product formation in the catalytic reaction cycle. The progress c...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Nazari K,Mahmoudi A,Shahrooz M,Khodafarin R,Moosavi-Movahedi AA

更新日期：2005-06-01 00:00:00

abstract：:Breast cancer is the second most frequent cancer affecting women. Among all endocrine therapies for the treatment of breast cancer, inhibition of estrogen biosynthesis is becoming an interesting complementary approach to the use of antiestrogens. The enzyme type 1 17beta-hydroxysteroid dehydrogenase (17beta-HSD) plays...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Tremblay MR,Boivin RP,Luu-The V,Poirier D

更新日期：2005-04-01 00:00:00

abstract：:Corticosteroids are anti-inflammatory drugs that are similar to the natural corticosteroid hormones produced by the cortex of the adrenal glands. The objective of this study was to scrutinize effects of some corticosteroids on glucose-6-phosphate dehydrogenase (G6PD) and some antioxidant enzymes. Initially, G6PD was p...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ozmen I

更新日期：2005-02-01 00:00:00

abstract：:The effect of N'-nitrosonornicotine (NNN), one of the tobacco-specific nitrosamines, on the catalytic activity of glutamate dehydrogenase (GLDH) in the alpha-ketoglutarate amination, using reduced nicotinamide adenine dinucleotide as coenzyme, was studied by a chronoamperometric method. The maximum reaction rate of th...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Mao YA,Zhong KJ,Wei WZ,Wei XL,Lu HB

更新日期：2005-02-01 00:00:00

abstract：:Novel 6-substituted thiazolocarbazole derivatives have been synthesized under microwave irradiation via the corresponding imino-1,2,3-dithiazoles. In vitro antitumor potential of these polyheterocyclic compounds was evaluated. Among all the tested thiazolocarbazoles, compound 10 is the most effective in inhibiting cel...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Testard A,Picot L,Fruitier-Arnaudin I,Piot JM,Chabane H,Domon L,Thiery V,Besson T

更新日期：2004-12-01 00:00:00

abstract：:The synthesis and biological evaluation of some novel thiazolofluorenones, thiazolofluorenes and thiazoloanthraquinones, substituted with amino side-chains are described. These polyheterocyclic compounds have been synthesized via the corresponding imino-1,2,3-dithiazoles. Their cytotoxic activity and their eventual se...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Chabane H,Pierre A,Leonce S,Pfeiffer B,Renard P,Thiery V,Guillaumet G,Besson T

更新日期：2004-12-01 00:00:00

abstract：:The inhibitive effect of static magnetic field on the activity of lysozyme was studied using acoustic wave impedance analysis technique. Equivalent circuit parameters of piezoelectric quartz crystal (PQC) were obtained and discussed. The results showed that the activity of lysozyme was inhibited due to the effect of s...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Zhang S,Wei W,Tao H,Zhang J,Mao Y

更新日期：2004-10-01 00:00:00

abstract：:The inhibition of neuraminidase from Clostridium chauvoei (jakari strain) with partially purified methanolic extracts of some plants used in Ethnopharmacological practice was evaluated. Extracts of two medicinal plants, Tamarindus indicus and Combretum fragrans at 100-1000 microg/ml, both significantly reduced the act...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Useh NM,Nok AJ,Ambali SF,Esievo KA

更新日期：2004-08-01 00:00:00

abstract：:A small library of phosphorylated sulfamates (N-(O-alkylsulfamoyl)-phosphoramidic acids) incorporating long aliphatic chains (C8-C16) has been synthesized and investigated for their interaction with two physiologically relevant carbonic anhydrase (CA) isozymes. These compounds behaved as very potent inhibitors of both...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Bonnac L,Innocenti A,Winum JY,Casini A,Montero JL,Scozzafava A,Barragan V,Supuran CT

更新日期：2004-06-01 00:00:00