Design, Synthesis, and Antimicrobial Evaluation of Novel Quinolone Imidazoles and Interactions with MRSA DNA.

abstract：:Two series of [1,2,4]triazolo[3,4-a]phthalazine and tetrazolo[5,1-a]phthalazine derivatives bearing substituted benzylpiperazine moieties have been synthesized and evaluated for their positive inotropic activity by measuring left atrium stroke volume on isolated rabbit heart preparations. The majority of the derivativ...

journal_title：Chemical biology & drug design

authors： Wu Y,Sun LP,Ma LX,Che J,Song MX,Cui X,Piao HR

更新日期：2013-05-01 00:00:00

abstract：:Micro-organism resistance is an important challenge in modern medicine due to the global uncontrolled use of antibiotics. Natural and synthetic antimicrobial peptides (AMPs) symbolize a new family of antibiotics, which have stimulated research and clinical interest as new therapeutic options for infections. They repre...

journal_title：Chemical biology & drug design

authors： Piotrowska U,Sobczak M,Oledzka E

更新日期：2017-12-01 00:00:00

abstract：:Polyazamacrocycles are currently being studied and used in a variety of applications beyond their traditional place in supramolecular and co-ordination chemistry. This study suggests additional applications of these compounds with particular emphasis on their use as antiproliferative agents that could be potentially u...

journal_title：Chemical biology & drug design

authors： Cruz C,Cairrão E,Lourenço O,Almeida P,Verde I,Queiroz JA

更新日期：2013-04-01 00:00:00

abstract：:As protein/protein interactions usually trigger signalling processes, inhibitors of those interactions must preclude protein binding without eliciting the signalling process themselves. To accomplish those goals, small molecules need to target those protein residues that contribute the most to binding (binding hotspot...

journal_title：Chemical biology & drug design

authors： Liu Y,Schön A,Freire E

更新日期：2013-01-01 00:00:00

abstract：:Endpoint methods using continuum-solvent models are widely used to estimate protein-ligand affinity. A recently developed method, MM/3D-RISM, estimates the solvation energy using statistical mechanics by 3D-RISM. This method is theoretically expected to accurately describe solvation effects and to also be less depende...

journal_title：Chemical biology & drug design

authors： Gohda K

更新日期：2018-10-01 00:00:00

abstract：:Peroxisome-proliferator-activated receptors are a class of nuclear receptors with three subtypes: α, γ and δ. Their main function is regulating gene transcription related to lipid and carbohydrate metabolism. Currently, there are no peroxisome-proliferator-activated receptors δ drugs being marketed. In this work, we s...

journal_title：Chemical biology & drug design

authors： Maltarollo VG,Honório KM

更新日期：2012-10-01 00:00:00

abstract：:HIV-1 integrase enzyme plays an important role in the life cycle of HIV and responsible for integration of virus into human genome. Here, both computational and synthetic approaches were used to design and synthesize newer HIV-1 integrase inhibitors. Pharmacophore mapping was performed on 20 chemically diverse molecul...

journal_title：Chemical biology & drug design

authors： Bhatt H,Patel P,Pannecouque C

更新日期：2014-02-01 00:00:00

abstract：:Six lycorine derivatives were prepared, characterized, and evaluated for their in vitro anti-Trichomonas vaginalis activity. Compounds bearing an acetyl (2), lauroyl (3), benzoyl (4 and 5), and p-nitrobenzoyl (6 and 7) groups were synthesized. The best activity was achieved with lycorine esterified at C-2 position wit...

journal_title：Chemical biology & drug design

authors： Giordani RB,Junior CO,de Andrade JP,Bastida J,Zuanazzi JA,Tasca T,de Almeida MV

更新日期：2012-07-01 00:00:00

abstract：:A series of N-aryl-2-arylthioacetamide derivatives (2-4) designed as non-nucleoside reverse transcriptase inhibitors was synthesized and evaluated for their inhibitory activity against HIV-1 (IIIB) replication in MT-4 cell cultures. The compounds 2-4 were performed by the reaction of thiols and 2-chloro-N-substituted-...

journal_title：Chemical biology & drug design

authors： Xiaohe Z,Yu Q,Hong Y,Xiuqing S,Rugang Z

更新日期：2010-10-01 00:00:00

abstract：:Among various strategies, the de novo design and in silico approaches are being used to develop the short peptides, models of modified peptides, and mimetics as clinically useful drugs with improved stability and bioavailability. The resulting models will help to isolate the factors behind the folded structure formati...

journal_title：Chemical biology & drug design

authors： Kulkarni AK,Ojha RP

更新日期：2014-11-01 00:00:00

abstract：:A series of thiouracil derivatives were designed, synthesized and screened for in vitro inhibition of dipeptidyl peptidase IV. The SAR study indicated the influence of substituted chemical modifications on thiouracil scaffold. Compounds 8 (IC(50) = 0.32 μM), 9 (IC(50) = 0.29 μM), and 12 (IC(50) = 0.25 μM) showed excel...

journal_title：Chemical biology & drug design

authors： Sharma M,Singh D,Gupta M

更新日期：2013-02-01 00:00:00

abstract：:A strategy for developing accurate quantitative structure-activity relationship models enabling predictions of biological properties, when suitable knowledge concerning both ligands and biological target is available, was tested on a data set where molecules are characterized by high structural diversity. Such a strat...

journal_title：Chemical biology & drug design

authors： Coi A,Massarelli I,Saraceno M,Carli N,Testai L,Calderone V,Bianucci AM

更新日期：2009-10-01 00:00:00

abstract：:In this self-docking study, we address the so-called scoring problem. The 'scoring problem' is the inability to unambiguously identify biologically the most relevant pose, when the docking score is the main selection criterion. We use the Molecular Mechanics/Generalized Born Surface Area and ChemPLP scoring functions ...

journal_title：Chemical biology & drug design

authors： Greenidge PA,Lewis RA,Ertl P

更新日期：2016-09-01 00:00:00

abstract：:Coronaviruses comprise a large group of RNA viruses with diverse host specificity. The emergence of highly pathogenic strains like the SARS coronavirus (SARS-CoV), and the discovery of two new coronaviruses, NL-63 and HKU1, corroborates the high rate of mutation and recombination that have enabled them to cross specie...

journal_title：Chemical biology & drug design

authors： Bacha U,Barrila J,Gabelli SB,Kiso Y,Mario Amzel L,Freire E

更新日期：2008-07-01 00:00:00

abstract：:Three natural products, 1,5-diphenylpentan-1-one, 1,5-diphenylpent-2-en-1-one, and 3-hydroxy-1,5-diphenylpentan-1-one, with good insecticidal activities were extracted from Stellera chamaejasme L. Based on their shared diaryl ketone moiety as 'pharmacophores', a series of diaryl ketones were synthesized and tested for...

journal_title：Chemical biology & drug design

authors： Zhang H,Jin H,Ji LZ,Tao K,Liu W,Zhao HY,Hou TP

更新日期：2011-07-01 00:00:00

abstract：:Forty-eight chromone derivatives were evaluated for their antioxidant activity using 2,2-diphenyl-1-picrylhydrazyl free radical scavenging assay, ferrous ions (Fe(2+) ) chelating activity test, total antioxidant activity test (Ferric thiocyanate and Thiobarbituric acid methods), and total reductive capability (potassi...

journal_title：Chemical biology & drug design

authors： Phosrithong N,Samee W,Nunthanavanit P,Ungwitayatorn J

更新日期：2012-06-01 00:00:00

abstract：:The present study reported the synthesis and biologic evaluation of new pyrazolone derivatives for COX-2 inhibitory activities and investigated in vivo for their anti-inflammatory activities using carrageenan-induced rat paw edema model as well as in vitro using HRBC membrane stabilization and protein denaturation met...

journal_title：Chemical biology & drug design

authors： Dube PN,Bule SS,Mokale SN,Kumbhare MR,Dighe PR,Ushir YV

更新日期：2014-10-01 00:00:00

abstract：:Selective blockade of the serotonin 5-HT(2A) receptor is a useful therapeutic approach for a number of disorders, including schizophrenia, insomnia and ischaemic heart disease. A series of aporphines were docked into a homology model of the rat 5-HT(2A) receptor using AutoDock. Selected compounds with high in silico b...

journal_title：Chemical biology & drug design

authors： Munusamy V,Yap BK,Buckle MJ,Doughty SW,Chung LY

更新日期：2013-02-01 00:00:00

abstract：:Homology modeling has been applied to fill in the gap in experimental G protein-coupled receptors structure determination. However, achievement of G protein-coupled receptors homology models with ligand selectivity remains challenging due to structural diversity of G protein-coupled receptors. In this work, we propose...

journal_title：Chemical biology & drug design

authors： Zeng L,Guan M,Jin H,Liu Z,Zhang L

更新日期：2015-12-01 00:00:00

abstract：:The first example of an inhibitor of the kinase TAK1 that binds in the DFG-out conformation is disclosed. These preliminary studies used kinase-targeted screening and structure-based drug design to create a molecule with dual pharmacological inhibition of p38 and TAK1 that demonstrated significant activity in a cell-b...

journal_title：Chemical biology & drug design

authors： Kilty I,Green MP,Bell AS,Brown DG,Dodd PG,Hewson C,Hughes SJ,Phillips C,Ryckmans T,Smith RT,van Hoorn WP,Cohen P,Jones LH

更新日期：2013-11-01 00:00:00

abstract：:Viral infections constantly jeopardize the global public health due to lack of effective antiviral therapeutics. Therefore, there is an imperative need to speed up the drug discovery process to identify novel and efficient drug candidates. In this study, we have developed quantitative structure-activity relationship (...

journal_title：Chemical biology & drug design

authors： Qureshi A,Kaur G,Kumar M

更新日期：2017-01-01 00:00:00

abstract：:EGFR is a well-established therapeutic target of clinical relevance in cancer. However, acquisition of secondary mutation (T790M) makes first-generation inhibitors ineffective. Therefore, to circumvent the problem of resistance, new T790M/L858R (TMLR) double mutant inhibitors are required. In this study, fragment-base...

journal_title：Chemical biology & drug design

authors： Fatima S,Pal D,Agarwal SM

更新日期：2019-07-01 00:00:00

abstract：:Unprotected S-acylated cysteine isopeptides containing α-, β- or γ-amino acid units have been synthesized, and their conversion to native hexapeptides by S- to the N-terminus ligations involving 17-, 18- and 19-membered cyclic transition states have been demonstrated both experimentally and computationally to be more ...

journal_title：Chemical biology & drug design

authors： Panda SS,El-Nachef C,Bajaj K,Al-Youbi AO,Oliferenko A,Katritzky AR

更新日期：2012-12-01 00:00:00

abstract：:Aquaporins (AQPs) are a family of membrane proteins that function as channels facilitating water transport in response to osmotic gradients. These play critical roles in several normal physiological and pathological states and are targets for drug discovery. Selective inhibition of the AQP1 water channel may provide a...

journal_title：Chemical biology & drug design

authors： Patil RV,Xu S,van Hoek AN,Rusinko A,Feng Z,May J,Hellberg M,Sharif NA,Wax MB,Irigoyen M,Carr G,Brittain T,Brown P,Colbert D,Kumari S,Varadaraj K,Mitra AK

更新日期：2016-05-01 00:00:00

abstract：:A series of compounds similar to Pracinostat that contained benzimidazole ring and N-hydroxyacrylamide attached at 5- or 6-position were designed, synthesized, and evaluated as HDAC inhibitors. It was interesting to find that the corresponding derivative 1 with N-hydroxyacrylamide attached at 5-position was a potent H...

journal_title：Chemical biology & drug design

authors： Jia R,Sun P,Zhang Y,Ge Y,Yu N

更新日期：2019-08-01 00:00:00

abstract：:A fullerene-isoniazid conjugate has been synthesized by 1, 3 dipolar cycloaddition reaction of fullerene (C(60)) with isonicotinic acid (4-formyl-benzylidene) hydrazide and N-methylglycine. The identity and purity of the compound was confirmed by elemental analysis, (1)H NMR, (13)C NMR and MALDI-TOF mass spectral anal...

journal_title：Chemical biology & drug design

authors： Kumar A,Patel G,Menon SK

更新日期：2009-05-01 00:00:00

abstract：:According to fused two bioactive moieties together by bonds covalently and available as a new single hybrid entity known as pharmacophore hybridization, a total of 10 targeted uridine-oleanolic acid hybrids were synthesized. Most of these hybrids showed excellent proliferation inhibition against tested Hep-G2, A549, B...

journal_title：Chemical biology & drug design

authors： Cheng KG,Su CH,Huang JY,Liu J,Zheng YT,Chen ZF

更新日期：2016-09-01 00:00:00

abstract：:Phenol and its congeners are known to induce caspase-mediated apoptosis activity and cytotoxicity on various cancer cell lines. Apoptosis, scavenging of radicals, antioxidant, and pro-oxidant characteristics are primarily responsible for the antitumor activities of phenolic compounds. Quantitative structure-activity r...

journal_title：Chemical biology & drug design

authors： Nandi S,Vracko M,Bagchi MC

更新日期：2007-11-01 00:00:00

abstract：:Physicochemical n-Grams Tool (PnGT) is an open-source standalone software for calculating physicochemical descriptors of protein. PnGT was developed using the Python scripting language and developed the user interface using Tkinter. The software currently calculates 33 physicochemical descriptors along with the sequen...

journal_title：Chemical biology & drug design

authors： Vishnoi S,Garg P,Arora P

更新日期：2020-01-01 00:00:00

abstract：:The unfolded protein response (UPR) is a coordinated program that promotes cell survival under conditions of endoplasmic reticulum stress and is required in tumor progression as well. To date, no specific small molecule inhibitor targeting this pathway has been identified. Pancreatic endoplasmic reticulum kinase (PERK...

journal_title：Chemical biology & drug design

authors： Wang H,Blais J,Ron D,Cardozo T

更新日期：2010-12-01 00:00:00