Tyrosinase inhibitory effect of benzoic acid derivatives and their structure-activity relationships.

abstract：:A novel series of 5-(5-nitrofuran-2-yl)-and 5-(5-nitrothiophen-2-yl)-1,3,4-thiadiazole-2-amines bearing acyclic amine at C-2 position of thiadiazole ring were synthesized and evaluated in vitro against promastigote and amastigote forms of Leishmania major. The structure-activity of series was investigated by studying ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Tahghighi A,Emami S,Razmi S,Rezazade Marznaki F,Kabudanian Ardestani S,Dastmalchi S,Kobarfard F,Shafiee A,Foroumadi A

更新日期：2013-08-01 00:00:00

abstract：:Three series of sintenin derivatives (compounds 1-14) were designed and prepared and their antioxidative and neuroprotective effects were evaluated. The in vitro models of scavenging 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals, chelating ferrous ions, inhibiting the rat brain homogenates lipid peroxidation, and prot...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Yang LX,Zhang LJ,Huang KX,Kun Li X,Hu LH,Wang XY,Stockigt J,Zhao Y

更新日期：2009-04-01 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：:The inhibition of monoamine oxidase B (MAO-B) could be an effective approach for the treatment of various neurological disorders. In this study, a series of 1, 4-benzodioxan-substituted chalcone derivatives were designed, synthesised and evaluated for their inhibitory activity against human MAO-B (hMAO-B). The majorit...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Kong Z,Sun D,Jiang Y,Hu Y

更新日期：2020-12-01 00:00:00

abstract：:This research investigates the synthesis and inhibitory potency of a series of novel dipeptidyl allyl sulfones as clan CA cysteine protease inhibitors. The structure of the inhibitors consists of a R(1)-Phe-R(2)-AS-Ph scaffold (AS = allyl sulfone). R(1) was varied with benzyloxycarbonyl, morpholinocarbonyl, or N-methy...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Fennell BD,Warren JM,Chung KK,Main HL,Arend AB,Tochowicz A,Götz MG

更新日期：2013-06-01 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：: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：: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：:Melatonin (MLT) is a well-known free-radical scavenger, involving in the prevention of cellular damage that can lead to cancer, ageing and a variety of neurodegenerative diseases. Research on MLT-related compounds has been required to optimise the maximum pharmaceutical activity with the lowest side effects. In our on...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Shirinzadeh H,Ince E,Westwell AD,Gurer-Orhan H,Suzen S

更新日期：2016-12-01 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：: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：:A series of eighteen pyrrolo[3,2-c]pyridine derivatives were tested for inhibitory effect against FMS kinase. Compounds 1e and 1r were the most potent among all the other tested analogues (IC50 = 60 nM and 30 nM, respectively). They were 1.6 and 3.2 times, respectively, more potent than our lead compound, KIST101029 (...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： El-Gamal MI,Oh CH

更新日期：2018-12-01 00:00:00

abstract：:The present study investigated the ability of the arginine analog L-NAME (N(omega)-Nitro-L-arginine methyl ester) to modulate the activity of arginase. L-NAME inhibited the activity of arginase in lysates from rat colon cancer cells and liver. It also inhibited the arginase activity of tumor cells in culture. Furtherm...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Reisser D,Onier-Cherix N,Jeannin JF

更新日期：2002-08-01 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：:[60]Fullerene-peptides represent a simple yet chemically diverse example of a bio-nano conjugate. The C60 moiety provides the following attributes to the conjugate: (a) precise three-dimensional architecture, (b) a large hydrophobic mass and (c) unique electronic properties. Conversely, the peptide component provides:...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Barron AR

更新日期：2016-01-01 00:00:00

abstract：:This study aimed to investigate the antidiabetic, antilipidaemic and antioxidant activities of Citrus medica cv Diamante (Rutaceae) hydroalcoholic (CD) peel extract in Zucker diabetic fatty (ZDF) rats. The ability of CD to protect against oxidative stress was investigated by using different in vitro assays and in vivo...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Menichini F,Tundis R,Loizzo MR,Bonesi M,D'Angelo D,Lombardi P,Mastellone V

更新日期：2016-12-01 00:00:00

abstract：:A set of novel quinolone-triazole conjugates (12-31) were synthesized in three steps in good yields starting from 2-phenylquinoline-4-carboxylic acid. All the intermediates, as well as the final 1,2,4-triazolyl quinolines were fully characterized by their detailed spectral analysis utilizing different techniques such ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Verbanac D,Malik R,Chand M,Kushwaha K,Vashist M,Matijašić M,Stepanić V,Perić M,Paljetak HČ,Saso L,Jain SC

更新日期：2016-01-01 00:00:00

abstract：:17β-Hydroxysteroid dehydrogenase type 1 (17β-HSD1) is a key enzyme in the biosynthesis of 17β-estradiol. Novel estrone-based compounds bearing various 15β-oxa-linked substituents and hydroxy, methoxy, benzyloxy, and sulfamate groups in position C3 as potential 17β-HSD1 inhibitors have been synthesized. In addition, in...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Herman BE,Kiss A,Wölfling J,Mernyák E,Szécsi M,Schneider G

更新日期：2019-12-01 00:00:00

abstract：:Usually, all newborns demonstrate high serum unconjugated bilirubin (UCB) level. UCB may induce adverse effects in the central nervous system. We aimed to evaluate the cytotoxic effects of UCB and the protective effects of docosahexaenoic acid (DHA) on astrocyte cell cultures. The viability of astrocyte cells decrease...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Becerir C,Kılıç İ,Sahin Ö,Özdemir Ö,Tokgün O,Özdemir B,Akca H

更新日期：2013-08-01 00:00:00

abstract：:We performed kinetic studies to determine whether oxamate analogues are selective inhibitors of LDH-C4, owing to their potential usefulness in fertility control and treatment of some cancers. These substances were shown to be competitive inhibitors of LDH isozymes and are able to discriminate among subtle differences ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Rodríguez-Páez L,Chena-Taboada MA,Cabrera-Hernández A,Cordero-Martínez J,Wong C

更新日期：2011-08-01 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：:A series of Co(II), Ni(II) and Cu(II) complexes have been synthesized by template condensation of 2,6-diformyl-4-methylphenol and 3-substituted-4-amino-5-hydrazino-1,2,4-triazole with CoCl(2).6H(2)O, NiCl(2).6H(2)O and CuCl(2).2H(2)O chlorides in 2 + 2+2 molar ratio in ethanol. These complexes were characterized by el...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Avaji PG,Patil SA

更新日期：2009-02-01 00:00:00

abstract：:Early stages of avascular necrosis of the femoral head (AVNFH) can be conservatively treated with hyperbaric oxygen therapy (HBOT). This study investigated how HBOT modulates inflammatory markers and reactive oxygen species (ROS) in patients with AVNFH. Twenty-three male patients were treated with two cycles of HBOT, ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Bosco G,Vezzani G,Mrakic Sposta S,Rizzato A,Enten G,Abou-Samra A,Malacrida S,Quartesan S,Vezzoli A,Camporesi E

更新日期：2018-12-01 00:00:00

abstract：:Two new series of heterocyclic derivatives with potential anticancer activity, in which a pyrrolo[1,2-b]pyridazine or a pyrrolo[2,1-a]phthalazine moiety was introduced in place of the 3'-hydroxy-4'-methoxyphenyl ring of phenstatin have been synthesised and their structure-activity relationship (SAR) was studied. Fourt...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Popovici L,Amarandi RM,Mangalagiu II,Mangalagiu V,Danac R

更新日期：2019-12-01 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：: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：: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：: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 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：:New hydrazone ligands (HL) derived from 5-substituted isatins and 1-(4-(2-methoxybenzyl)-6-arylpyridazin-3-yl)hydrazines and its complexes with Co(II) and Cu(II) were synthesized. The new hydrazones and their complexes were characterized by means of elemental, spectral analyses and magnetic studies. Primary cytotoxici...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Kandile NG,Mohamed MI,Ismaeel HM

更新日期：2012-06-01 00:00:00