A quantitative structure-activity relationship study of novel, potent, orally active, selective VEGFR-2 and PDGFRalpha tyrosine kinase inhibitors: derivatives of N-phenyl-N'-{4-(4-quinolyloxy)phenyl}urea as antitumor agents.

abstract：:Protein tyrosine phosphatase 1B (PTP1B) and α-glucosidase are important targets to treat obesity and diabetes, due to their deep correlation with insulin and leptin signalling, and glucose regulation. The methanol extract of Paulownia tomentosa fruits showed potent inhibition against both enzymes. Purification of this...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Song YH,Uddin Z,Jin YM,Li Z,Curtis-Long MJ,Kim KD,Cho JK,Park KH

更新日期：2017-12-01 00:00:00

abstract：:In an in vitro screening for human carbonic anhydrase (hCA) inhibiting agents from higher plants, the petroleum ether and ethyl acetate extracts of Magydaris pastinacea seeds selectively inhibited hCA IX and hCA XII isoforms. The phytochemical investigation of the extracts led to the isolation of ten linear furocoumar...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Fois B,Distinto S,Meleddu R,Deplano S,Maccioni E,Floris C,Rosa A,Nieddu M,Caboni P,Sissi C,Angeli A,Supuran CT,Cottiglia F

更新日期：2020-12-01 00:00:00

abstract：:In the present study, a new series of 2-[4-(pyrimidin-2-yl)piperazin-1-yl]-2-oxoethyl 4-substituted piperazine-1-carbodithioate derivatives (2a-n) were synthesized and screened for their monoamine oxidase A and B inhibitory activity. The structures of compounds were elucidated using spectroscopic methods and some phys...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Kaya B,Yurttaş L,Sağlik BN,Levent S,Özkay Y,Kaplancikli ZA

更新日期：2017-12-01 00:00:00

abstract：:We report the biochemical and structural characterisation of a beta-carbonic anhydrase (β-CA) from Trichomonas vaginalis, a unicellular parasite responsible for one of the world's leading sexually transmitted infections, trichomoniasis. CAs are ubiquitous metalloenzymes belonging to eight evolutionarily divergent grou...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Urbański LJ,Di Fiore A,Azizi L,Hytönen VP,Kuuslahti M,Buonanno M,Monti SM,Angeli A,Zolfaghari Emameh R,Supuran CT,De Simone G,Parkkila S

更新日期：2020-12-01 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：:The copper(II) complexes of the type [Cu(SPF)(A(n))Cl]/[Cu(PFL)(A(n))Cl] (where SPF is sparfloxacin, PFL is pefloxacin and A(n) is 2,2'-dipyridylamine/pyridine-2-carboxalehyde/thiophene-2-carboxaldehyde) were synthesised and were found to have a pyramidal geometry with a square base. The superoxide dismutase (SOD) lik...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Patel MN,Parmar PA,Gandhi DS

更新日期：2011-04-01 00:00:00

abstract：:Synthesis and anticonvulsant properties of 26 new N-Mannich bases of 3-benzhydryl-(5-17) and 3-isopropyl-pyrrolidine-2,5-diones (18-30) have been described. Initial anticonvulsant screening for these compounds was evaluated in mice after intraperitoneal administration in the maximal electroshock (MES) and subcutaneous...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Rybka S,Obniska J,Rapacz A,Filipek B,Żmudzki P

更新日期：2016-12-01 00:00:00

abstract：:A new series of fluorine containing 1,3,5-triazinyl sulfonamide derivatives obtained from cyanuric fluoride, sulfanilamide/4-aminoethylbenzenesulfonamide followed and incorporating also amin0, amino alcohol and amino acid moieties have been investigated as inhibitors of three β-carbonic anhydrases (CAs, EC 4.2.1.1) fr...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ceruso M,Vullo D,Scozzafava A,Supuran CT

更新日期：2014-10-01 00:00:00

abstract：:Lignostilbene-alpha,beta-dioxygenase (LSD, EC 1.13.11.43) is involved in oxidative cleavage of the central double bond of lignostilbene to form the corresponding aldehydes by a mechanism similar to those of 9-cis-epoxycarotenoid dioxygenase and beta-carotene 15,15'-dioxygenase, key enzymes in abscisic acid biosynthesi...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Han SY,Inoue H,Terada T,Kamoda S,Saburi Y,Sekimata K,Saito T,Kobayashi M,Shinozaki K,Yoshida S,Asami T

更新日期：2003-06-01 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：: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：:The activation of the β-class carbonic anhydrases (CAs, EC 4.2.1.1) from the bacteria Brucella suis and Francisella tularensis with amine and amino acids was investigated. BsuCA 1 was sensitive to activation with amino acids and amines, whereas FtuCA was not. The most effective BsuCA 1 activators were L-adrenaline and...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Angeli A,Del Prete S,Pinteala M,Maier SS,Donald WA,Simionescu BC,Capasso C,Supuran CT

更新日期：2019-12-01 00:00:00

abstract：:An extracellular thermostable alkaline serine protease enzyme from Aeribacillus pallidus C10 (GenBank No: KC333049), was purified 4.85 and 17. 32-fold with a yield of 26.9 and 19.56%, respectively, through DE52 anion exchange and Probond affinity chromatography. The molecular mass of the enzyme was determined through ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Yildirim V,Baltaci MO,Ozgencli I,Sisecioglu M,Adiguzel A,Adiguzel G

更新日期：2017-12-01 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 ability of a novel bispyridinium oxime K203 to reactivate VX agent-inhibited acetylcholinesterase was compared with the reactivating efficacy of four commonly used oximes (obidoxime, trimedoxime, methoxime, HI-6) using in vivo model. Our results showed that the reactivating efficacy of the oxime HI-6 is higher tha...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Kassa J,Zdarova Karasova J,Sepsova V

更新日期：2013-08-01 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：:Synthesis of a novel series of structurally related pyrazoloquinoline nucleosides is described. All the newly synthesized compounds were examined for their in vitro antiviral activity against herpes simplex type-1 as shown by two different bioassays, namely; crystal violet staining or the MTS tetrazolium dye measureme...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Bekhit AA,El-Sayed OA,Aboul-Enein HY,Siddiqui YM,Al-Ahdal MN

更新日期：2004-02-01 00:00:00

abstract：:The synthesis of 1,2-dioxolane derivatives in two different acetophenone series, as simplified models of natural coumarins is described. 2-Acetyl-3-acetoxy-4-(3-hydroperoxy-3-methylbut-1-enyl)phenyl acetate and 2-acetyl-5-acetoxy4-(3-hydroperoxy-3-methylbut-1-enyl) phenyl acetate synthons are used as precursors to the...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Helesbeux JJ,Peyronnet D,Labaïed M,Grellier P,Frappier F,Seraphin D,Richomme P,Duval O

更新日期：2002-12-01 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 purpose of this study was the evaluation of the xanthine oxidase (XO) inhibition produced by some synthetic 2-styrylchromones. Ten polyhydroxylated derivatives with several substitution patterns were synthesised, and these and a positive control, allopurinol, were tested for their effects on XO activity by measuri...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Fernandes E,Carvalho F,Silva AM,Santos CM,Pinto DC,Cavaleiro JA,Bastos Mde L

更新日期：2002-02-01 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：:The CHCl(3)-soluble fraction of the whole plant of Duranta repens showed anti-plasmodial activity against the chloroquine-sensitive (D6) and chloroquine-resistant (W2) strains of Plasmodium falciparum, with IC(50) values of 8.5 ± 0.9 and 10.2 ± 1.5 μg/mL, respectively. From this fraction, two new flavonoid glycosides,...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ijaz F,Ahmad N,Ahmad I,ul Haq A,Wang F

更新日期：2010-12-01 00:00:00

abstract：:The antioxidant activity of extracts from Caesalpinia sappan L. (CSL) was studied in vitro by evaluating the total phenolics, measuring the antioxidant activity by TEAC, measuring the scavenging effects on reactive oxygen species (ROS) and on reactive nitrogen species (RNS), and measuring the inhibitory effect on Cu(2...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Lee MJ,Lee HS,Kim H,Yi HS,Park SD,Moon HI,Park WH

更新日期：2010-10-01 00:00:00

abstract：:Leishmaniasis is considered as one of the major neglected tropical diseases due to its magnitude and wide geographic distribution. Leishmania braziliensis, responsible for cutaneous leishmaniasis, is the most prevalent species in Brazil. Superoxide dismutase (SOD) belongs to the antioxidant pathway of the parasites an...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Brito CCB,Silva HVCD,Brondani DJ,Faria AR,Ximenes RM,Silva IMD,Albuquerque JFC,Castilho MS

更新日期：2019-12-01 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：:A series of 1,2,4-trisubstituted 5-imidazolinone derivatives were synthesized by Erlenmeyer condensation of benzoylglycine (hippuric acid) with different aldehydes in the presence of sodium acetate and acetic anhydride. The derivatives of the compounds were prepared by condensation of some known sulpha drugs with 5-ox...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Moorthy NS,Saxena V,Karthikeyan C,Trivedi P

更新日期：2012-04-01 00:00:00

abstract：:Pyrogallol is found naturally in crops and fruits of many plants. It is also an active ingredient of many pharmaceuticals. For this reason, we employed different in vitro antioxidant assays such as cupric ion Cu(2+) reducing power, Fe(3+) reducing power, total antioxidant activity by ferric thiocyanate method, ABTS ra...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ozturk Sarikaya SB

更新日期：2015-01-01 00:00:00

abstract：:Histamine H3 receptors (H3R) antagonists/inverse agonists are becoming a promising therapeutic approach for epilepsy. In this article, novel nonimidazole H3R antagonists/inverse agonists have been designed and synthesised via hybriding the H3R pharmacophore (aliphatic amine with propyloxy chain) with the 1,2,4-triazol...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Song M,Yan R,Zhang Y,Guo D,Zhou N,Deng X

更新日期：2020-12-01 00:00:00

abstract：:Thirty new aryl-pyridazinone-substituted benzenesulphonylurea derivatives (I-XXX) were synthesized and evaluated for their anti-hyperglycaemic activity in glucose-fed hyperglycaemic normal rats. Twenty-three compounds (III-XI, XIV-XVII, XIX-XXIV, XXVI and XXVIII-XXX) showed more or comparable area under the curve (AUC...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Yaseen R,Pushpalatha H,Reddy GB,Ismael A,Ahmed A,Dheyaa A,Ovais S,Rathore P,Samim M,Akthar M,Sharma K,Shafi S,Singh S,Javed K

更新日期：2016-12-01 00:00:00

abstract：:For the development of potent novel antileishmanial agents, 3,3'-(arylmethylene)bis(2-hydroxynaphthalene-1,4 dione) derivatives were synthesized from lawsone and evaluated for cytotoxicity on Leishmania donovani promastigotes as well as on leishmanial DNA topoisomerase-I. Enzyme inhibition studies were conducted with ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Sharma G,Chowdhury S,Sinha S,Majumder HK,Kumar SV

更新日期：2014-04-01 00:00:00