Relationship between phosphatase activity and cytotoxic effect of two protein phosphatase inhibitors, okadaic acid and pervanadate, on human myeloid leukemia cell line.

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：:Human inosine 5'-monophosphate dehydrogenase 2 (hIMPDH2), being an age-old target, has attracted attention recently for anticancer drug development. Mycophenolic acid (MPA), a well-known immunosuppressant drug, was used a lead structure to design and develop modestly potent and selective analogues. The steep structure...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Shah CP,Kharkar PS

更新日期：2018-12-01 00:00:00

abstract：:3,6-Diazaphenothiazines were obtained in cyclization of 3-amino-3'-nitro-2,4'-dipyridinyl sulfide and the reaction of sodium 3-amino-2-pyridinethiolate with 4-chloro-3-nitropyridine followed by alkylation and heteroarylation. The thiazine ring formation ran via the Smiles rearrangement. The structure elucidation was b...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Morak-Młodawska B,Pluta K,Latocha M,Suwińska K,Jeleń M,Kuśmierz D

更新日期：2016-12-01 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：: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：: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：:Carbonic anhydrases (CAs, EC 4.2.1.1) are ubiquitous enzymes that catalyze the hydration of CO(2) to bicarbonate and protons. Inhibition of CAs has been clinically exploited for the treatment of various classes of diseases for decades, but investigating new classes of inhibitors continues to be important. We have synt...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ayvaz S,Çankaya M,Atasever A,Altuntas A

更新日期：2013-04-01 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：: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：: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：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：:This paper reports the synthesis of O-methyl and O-ethyl NSAID hydroxamic acids, their antimicrobial activities, and their ability to inhibit urease and soybean lipoxygenase activities. Ibuprofen and fenoprofen hydroxamic acids with free hydroxy groups present the highest antimicrobial activity, while indomethacin and...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Rajić Z,Perković I,Butula I,Zorc B,Hadjipavlou-Litina D,Pontiki E,Pepeljnjak S,Kosalec I

更新日期：2009-10-01 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：:A new series of 12 N(4)-substituted isatin-3-thiosemicarbazones 2a-l has been synthesized, characterized and screened for in vitro cytotoxic, phytotoxic and urease inhibitory effects. All the compounds proved to be active in the brine shrimp bioassay; 2a, 2b, 2d, 2f and 2h-l exhibited a high degree of cytotoxic activi...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Pervez H,Chohan ZH,Ramzan M,Nasim FU,Khan KM

更新日期：2009-04-01 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：:Seven triterpenoid saponins were identified in methanolic extracts of seeds of the Zolfino bean landrace (Phaseolus vulgaris L.) by HPLC fractionation, revealing their ability to inhibit highly purified human recombinant aldose reductase (hAKR1B1). Six of these compounds were associated by MS analysis with the followi...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Balestri F,De Leo M,Sorce C,Cappiello M,Quattrini L,Moschini R,Pineschi C,Braca A,La Motta C,Da Settimo F,Del-Corso A,Mura U

更新日期：2019-12-01 00:00:00

abstract：:The in vitro effects of the injectable form of analgesic drugs, dexketoprofen trometamol, dexamethasone sodium phosphate, metamizole sodium, diclofenac sodium, thiocolchicoside, on the activity of purified human carbonic anhydrase I and II were evaluated. The effect of these drugs on erythrocyte hCA I and hCA II was c...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Gökçe B,Gençer N,Arslan O,Turkoğlu SA,Alper M,Köçkar F

更新日期：2012-02-01 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：: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：:In the present study, some thiazole derivatives were synthesized via the ring closure reaction of 1-[2-(2-oxobenzo[d]thiazol-3(2H)-yl)acetyl]thiosemicarbazide with various phenacyl bromides. The chemical structures of the compounds were elucidated by (1)H NMR, (13)C NMR and mass spectral data and elemental analyses. E...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Turan-Zitouni G,Ozdemir A,Kaplancikli ZA,Altintop MD,Temel HE,Çiftçi GA

更新日期：2013-06-01 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：:Fraxamoside, a macrocyclic secoiridoid glucoside featuring a hydroxytyrosol group, was recently identified as a xanthine oxidase inhibitor (XOI) comparable in potency in vitro to the standard antigout drug allopurinol. However, this activity and its considerably higher value than its derivatives oleuropein, oleoside 1...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Vitale RM,Antenucci L,Gavagnin M,Raimo G,Amodeo P

更新日期：2017-12-01 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：:To identify anticancer agents with high potency and low toxicity, a series of (Z)-styrylbenzene derivatives were synthesised and evaluated for anticancer activities using a panel of nine cancer cell lines and two noncancerous cell lines. Most derivatives exhibited significant anti-proliferative activities against five...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Xin YB,Li JJ,Zhang HJ,Ma J,Liu X,Gong GH,Tian YS

更新日期：2018-12-01 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：: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 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 two β-carbonic anhydrases (CAs, EC 4.2.1.1) recently cloned and purified from the ascomycete fungus Sordaria macrospora, CAS1 and CAS2, were investigated for their inhibition with a panel of 39 aromatic, heterocyclic, and aliphatic sulfonamides and one sulfamate, many of which are clinically used agents. CAS1 was ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Vullo D,Lehneck R,Pöggeler S,Supuran CT

更新日期：2018-12-01 00:00:00

abstract：:This study was designed to investigate the mushroom tyrosinase inhibitory activity for the constituents isolated from Neolitsea aciculata. The stems of N. aciculata was extracted with aqueous ethanol and subjected to chromatographic separation, which led to the isolation of 11 compounds: methyl linoleate (1), catechin...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Kim SS,Hyun CG,Choi YH,Lee NH

更新日期：2013-08-01 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