Bioorganometallic derivatives of 4-hydrazino-benzenesulphonamide as carbonic anhydrase inhibitors: synthesis, characterisation and biological evaluation.

abstract：:Carbonic anhydrases (CAs, EC 4.2.1.1) are crucial metalloenzymes that are involved in diverse bioprocesses. We report the synthesis and biological evaluation of novel series of benzenesulfonamides incorporating un/substituted ethyl quinoline-3-carboxylate moieties. The newly synthesised compounds were in vitro evaluat...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Al-Sanea MM,Elkamhawy A,Paik S,Bua S,Ha Lee S,Abdelgawad MA,Roh EJ,Eldehna WM,Supuran CT

更新日期：2019-12-01 00:00:00

abstract：:Coumarin, a naturally occurring or synthesised phytochemical, displays a wide range of biological activities. However, chromen-2-ones fused with 1,3-benzoxazine rings is not well documented and there is a gap in the literature which required engaging. The substituted-2-thioxo-chromen-oxazine linear compounds 14a-i and...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Morrison R,Al-Rawi JM

更新日期：2016-01-01 00:00:00

abstract：:Previous investigations into the binding of substrates/cofactors to the PAH active site have only concentrated on Phe, thienylalanine and BH(4). This is the first reported investigation to model aliphatic thioether amino acid substrates to PAH. The clearance of the thioether substrates (4.82-79.09% of Phe) in the rat ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Patel NG,Iliadou C,Boonyapiwat B,Barlow DJ,Forbes B,Mitchell SC,Steventon GB

更新日期：2008-12-01 00:00:00

abstract：:Cytosine deaminase (CD) from Aspergillus parasiticus, which has half-life of 1.10 h at 37°C, was stabilized by immobilization on calcium alginate beads. The immobilized CD had pH and temperature optimum of 5 and 50°C respectively. The immobilized enzyme also stoichiometrically deaminated Cytosine and 5-fluorocytosine ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Zanna H,Nok AJ,Ibrahim S,Inuwa HM

更新日期：2013-12-01 00:00:00

abstract：:Chemotypes comprising the d-annulated 1,3-dihydro-2H-1-benzazepin-2-one scaffold derived from the paullone structure were found to be potent vascular endothelial growth factor receptor 2 (VEGF-R2) kinase inhibitors. Three-dimensional quantitative structure-activity relationship (3D-QSAR) and docking studies were perfo...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Lan P,Sun JR,Chen WN,Sun PH,Chen WM

更新日期：2011-06-01 00:00:00

abstract：UNLABELLED:Abstract In biological systems, the Keap1/Nrf2/antioxidant response element pathway determines the ability of mammalian cells to adapt and survive conditions of oxidative, electrophilic and inflammatory stress by regulating the production of cytoprotective enzymes NAD(P)H:quinone oxidoreductase 1 (NQO1, EC ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ghorab MM,Higgins M,Alsaid MS,Arafa RK,Shahat AA,Dinkova-Kostova AT

更新日期：2014-12-01 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：:In this study, firstly, antioxidant and polyphenol oxidase (PPO) properties of Yomra apple were investigated. Seventeen phenolic constituents were measured by reverse phase-high-performance liquid chromatography (RP-HPLC). Total phenolic compounds (TPCs), ferric reducing antioxidant power (FRAP) and 2, 2-diphenyl-1-pi...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Can Z,Dincer B,Sahin H,Baltas N,Yildiz O,Kolayli S

更新日期：2014-12-01 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：: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：CONTEXT:Hypotension causes histologic changes in the hippocampal CA1 area, while behavior remains unchanged. We believe that an even stronger insult may also cause behavioral changes. OBJECTIVE:We used a rat hemorrhagic shock model plus temporary hypoxia to assess functional outcome at different time points post-injur...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Chaparro E,Quiroga C,Erasso D,Bosco G,Rubini A,Mangar D,Camporesi E

更新日期：2014-12-01 00:00:00

abstract：:The inhibitory effect of four structurally related flavonoids, apigenin, baicalein, luteolin and quercetin on the matrix metalloproteinase (MMP)-9 and -13 expressions in osteoblasts was investigated. Treatment with IL-1β induced both MMP-9 and -13 mRNA expressions as measured by quantitative real-time PCR. Luteolin an...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Yang H,Liu Q,Ahn JH,Kim SB,Kim YC,Sung SH,Hwang BY,Lee MK

更新日期：2012-04-01 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：:Previously, a glycoglycerolipid isolated from marine algae was reported to be a potent and selective inhibitor of the human Myt1 kinase, an enzyme involved in cell cycle regulation with great potential as an anti-cancer target. Based on that report, a lot of research effort has been invested by several working groups ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Rohe A,Göllner C,Erdmann F,Sippl W,Schmidt M

更新日期：2015-06-01 00:00:00

abstract：:Selective PDE3 inhibitors improve cardiac contractility and may be used in congestive heart failure. However, their proarrhythmic potential is the most important side effect. In this research we designed, synthesized and evaluated the potential cardiotonic activity of thirteen PDE3 inhibitors (4-[(4-methyl-2-oxo-1,2-d...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Sadeghian H,Seyedi SM,Saberi MR,Nick RS,Hosseini A,Bakavoli M,Mansouri SM,Parsaee H

更新日期：2009-08-01 00:00:00

abstract：:We investigated the influence of bronchodilating β2-agonists on the activity of human acetylcholinesterase (AChE) and usual, atypical and fluoride-resistant butyrylcholinesterase (BChE). We determined the inhibition potency of racemate and enantiomers of fenoterol as a resorcinol derivative, isoetharine and epinephrin...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Bosak A,Knežević A,Gazić Smilović I,Šinko G,Kovarik Z

更新日期：2017-12-01 00:00:00

abstract：:Melatonin (N-acetyl-5-methoxytryptamine) is the chief secretory product of the pineal gland and synthesized enzymatically from serotonin (5-hydroxytryptamine). These indoleamine derivatives play an important role in the prevention of oxidative damage. In the present study, DMPD radical scavenging and cupric ion (Cu(2+...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Gulçin I

更新日期：2008-12-01 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：:Small pinto bean is a cultivar of Phaseolus vulgaris. It produces a 16-kDa trypsin inhibitor that could be purified using anion exchange and size chromatography. Q-Sepharose, Mono Q and Superdex 75 columns were employed for the isolation process. Small pinto bean trypsin inhibitor demonstrated moderate pH stability (p...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Chan YS,Zhang Y,Sze SC,Ng TB

更新日期：2014-08-01 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：:Phytochemical investigations on the n-BuOH-soluble fraction of the whole plant of Buddleja davidii led to the isolation of the phenylpropanoid glycosides 1-10. Their structures were determined by 1D and 2D NMR spectroscopic techniques. All the compounds showed potent antioxidative activity in three different tests, wi...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ahmad I,Ahmad N,Wang F

更新日期：2009-08-01 00:00:00

abstract：:Poly(ADP-ribose) polymerase (PARP)-1 inhibitor has been suggested to attenuate the ischemia-reperfusion injury. We investigated the protective effect of the cardioplegia with a PARP-1 inhibitor, 4-hydoxyquinazoline (4-HQ), against myocardial ischemia-reperfusion injury. Isolated rat hearts were perfused on a Langendor...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Yamazaki K,Tanaka S,Sakata R,Miwa S,Oriyanhan W,Takaba K,Minakata K,Marui A,Ikeda T,Toyokuni S,Komeda M,Ueda K

更新日期：2013-02-01 00:00:00

abstract：:Indoleamine 2,3-dioxygenase 1 (IDO1) activity links to immune escape of cancers. Inhibition of IDO1 provides a new approach for cancer treatment. Most clinical IDO1 drugs show marginal efficacy as single agents. On basis of molecular docking and pharmacophore modelling, a novel inhibitor Roxyl-WL was discovered with a...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Xu G,Wang T,Li Y,Huang Z,Wang X,Zheng J,Yang S,Fan Y,Xiang R

更新日期：2018-12-01 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：: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：: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：:Serum paraoxonase (PON1) is a high-density lipoprotein (HDL)-associated enzyme that protects lipoproteins, both low-density lipoprotein (LDL) and HDL, against oxidation, and is considered as an antioxidative/anti-inflammatory component of HDL. In this study, PON1 was purified from bovine serum by ammonium sulfate prec...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Sayın M,Guler OO

更新日期：2015-02-01 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：:The reactivity of [1,2,3]triazolo[1,5-a]pyridines 1 is described. Triazolopyridines react with electrophiles in two contrasting ways, giving 3-substituted triazolopyridines 2, or products 3, resulting from triazolo ring opening with loss of molecular nitrogen. The triazolopyridines can be lithiated at -40 degrees C by...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Abarca-González B

更新日期：2002-12-01 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