Synthesis, conformational preferences, and biological activity of conformational analogues of the microtubule-stabilizing agents, (-)-zampanolide and (-)-dactylolide.

abstract：:Three series of compounds were designed, synthesized and evaluated for their in vitro anticancer activity against a procaspase-3 over-expression cancer cell line (U937) and a procaspase-3 no-expression cancer cell line (MCF-7) to rule out off-target effects. Biological evaluation led to the identification of a series ...

journal_title：MedChemComm

authors： Ma J,Ni X,Gao Y,Huang K,Liu J,Wang Y,Chen R,Wang C

更新日期：2019-02-25 00:00:00

abstract：:The high storage capacities and excellent biocompatibilities of zinc(ii) metal-organic frameworks (Zn-MOFs) have made them outstanding candidates as drug delivery carriers. Recent studies on the pH-responsive processes based on carrier-drug interactions have proven them to be the most efficient and effective way to co...

journal_title：MedChemComm

authors： Liu W,Pan Y,Xiao W,Xu H,Liu D,Ren F,Peng X,Liu J

更新日期：2019-10-17 00:00:00

abstract：:N-Myristoyltransferase (NMT) represents an attractive drug target in parasitic infections such as malaria due to its genetic essentiality and amenability to inhibition by drug-like small molecules. Scaffold simplification from previously reported inhibitors containing bicyclic cores identified phenyl derivative 3, pro...

journal_title：MedChemComm

authors： Yu Z,Brannigan JA,Rangachari K,Heal WP,Wilkinson AJ,Holder AA,Leatherbarrow RJ,Tate EW

更新日期：2015-10-08 00:00:00

abstract：:A series of 18 new 5-[3-(4-aryl-1-piperazinyl)propoxy]coumarin derivatives from the corresponding bromoalkyl derivatives have been designed and synthesized by us using a microwave-assisted protocol. Radioligand binding assays of this series of compounds as well as a previously synthesized series of 17 structurally-sim...

journal_title：MedChemComm

authors： Ostrowska K,Grzeszczuk D,Głuch-Lutwin M,Gryboś A,Siwek A,Dobrzycki Ł,Trzaskowski B

更新日期：2017-07-03 00:00:00

abstract：:The phenol of 1-(3-(1H-imidazol-1-yl)propyl)-3-(4-hydroxy-3-methoxyphenyl)thiourea was selectively carbon-11 labelled to generate [11C]PBD150 in 7.3% yield from [11C]methyl triflate (non-decay corrected; radiochemical purity ≥95%, specific activity = 5.7 Ci/µmol, n=5). Evaluation of [11C]PBD150 by small animal PET ima...

journal_title：MedChemComm

authors： Brooks AF,Jackson IM,Shao X,Kropog GW,Sherman P,Quesada CA,Scott PJ

更新日期：2015-06-01 00:00:00

abstract：:Based on the scaffold of astemizole, three novel turn-on fluorescent probes (N1-N3) for human ether-a-go-go-related gene (hERG) potassium channel were developed herein. These probes have reasonable fluorescence properties, acceptable cell toxicity, and potent inhibitory activity, all of which contribute to cell imagin...

journal_title：MedChemComm

authors： Zhang X,Liu T,Wang B,Gao Y,Liu P,Li M,Du L

更新日期：2019-02-26 00:00:00

abstract：:Periodontal disease is an oral chronic immune-inflammatory disease highly prevalent worldwide that is initiated by specific oral bacterial species leading to local and systemic effects. The development of new preventive/therapeutic strategies to specifically target oral periodontopathogens without perturbing oral micr...

journal_title：MedChemComm

authors： Thamban Chandrika N,Fosso MY,Alimova Y,May A,Gonzalez OA,Garneau-Tsodikova S

更新日期：2019-06-10 00:00:00

abstract：:In the last three decades, protein and nucleic acid structure determination and comprehension of the mechanisms, leading to their physiological and pathological functions, have become a cornerstone of biomedical sciences. A deep understanding of the principles governing the fates of cells and tissue at the molecular l...

journal_title：MedChemComm

authors： Bernetti M,Cavalli A,Mollica L

更新日期：2017-01-30 00:00:00

abstract：:Herein, we disclose the development of a catalyst- and protecting-group-free microwave-enhanced Friedländer synthesis which permits the single-step, convergent assembly of diverse 8-hydroxyquinolines with greatly improved reaction yields over traditional oil bath heating (increased from 34% to 72%). This rapid synthes...

journal_title：MedChemComm

authors： Garrison AT,Abouelhassan Y,Yang H,Yousaf HH,Nguyen TJ,Huigens Iii RW

更新日期：2016-07-27 00:00:00

abstract：:Much effort has been devoted to targeting agents for imaging and chemotherapy of tumors in cancer research, but there remain significant unmet needs in that area. We have reported a series of preclinical TrkC targeting agents for diagnoses and treatment of metastatic breast cancer; however, with respect to optical ima...

journal_title：MedChemComm

authors： Yang Z,Usama SM,Li F,Burgess K,Li Z

更新日期：2018-08-03 00:00:00

abstract：:A series of cyclic peptides were designed and prepared to investigate the physicochemical properties that affect oral bioavailabilty of this chemotype in rats. In particular, the ionization state of the peptide was examined by the incorporation of naturally occurring amino acid residues that are charged in differing r...

journal_title：MedChemComm

authors： Rand AC,Leung SS,Eng H,Rotter CJ,Sharma R,Kalgutkar AS,Zhang Y,Varma MV,Farley KA,Khunte B,Limberakis C,Price DA,Liras S,Mathiowetz AM,Jacobson MP,Lokey RS

更新日期：2012-10-01 00:00:00

abstract：:A novel series of 2-pyrazoline derivatives were designed, synthesized, and evaluated for cholinesterase (ChE) inhibitory, Aβ anti-aggregating and neuroprotective activities. Among these, 3d, 3e, 3g, and 3h were established as the most potent and selective BChE inhibitors (IC50 = 0.5-3.9 μM), while 3f presented dual in...

journal_title：MedChemComm

authors： Unsal-Tan O,Tüylü Küçükkılınç T,Ayazgök B,Balkan A,Ozadali-Sari K

更新日期：2019-05-09 00:00:00

abstract：:Based on structure modification and a high-throughput Jurkat-Lat cell screening model, we found that GIBH-LRA002, ethyl-2-amino-3-cyano-9-methyl-4-(trifluoromethyl)-4,9-dihydropyrano[2,3-b]indole-4-carboxylate, effectively reactivated the latent proviruses in a Jurkat-Lat cell line and primary CD4+ T cells from both c...

journal_title：MedChemComm

authors： Yang Q,Ding Y,Feng F,Pan E,Fan X,Ma X,Chen L,Zhao J,Sun C

更新日期：2017-07-25 00:00:00

abstract：:Covalent probes and drugs have found widespread use as research tools and clinical agents. Covalent probes are useful because of their increased intracellular potency and because covalent labeling of cellular proteins can be tracked using click chemistry. Covalent drugs, on the other hand, can overcome drug resistance...

journal_title：MedChemComm

authors： Kathman SG,Statsyuk AV

更新日期：2016-04-01 00:00:00

abstract：:Bruton's tyrosine kinase (BTK) plays a critical role in B cell receptor (BCR)-mediated signaling pathways responsible for the development and function of B cells, which makes it an attractive target for the treatment of many types of B-cell malignancies. Herein, a series of N5-substituted 6,7-dioxo-6,7-dihydropteridin...

journal_title：MedChemComm

authors： Chen H,Song P,Diao Y,Hao Y,Dou D,Wang W,Fang X,Wang Y,Zhao Z,Ding J,Li H,Xie H,Xu Y

更新日期：2018-03-13 00:00:00

abstract：:Tuberculosis (TB) is an epidemic disease and the growing burden of multidrug-resistant (MDR) TB world wide underlines the need to discover new drugs to treat the disease. Mycobacterium tuberculosis (Mtb) is the etiological agent of most cases of TB. Mtb is difficult to treat, in part, due to the presence of a sturdy h...

journal_title：MedChemComm

authors： Thanna S,Sucheck SJ

更新日期：2016-01-01 00:00:00

abstract：:Porphyrins are tetrapyrrolic macrocyclic ligands known for their affinity towards neoplastic tissues and once radiolabeled with a suitable diagnostic radioisotope could potentially be used for the imaging of tumorous lesions. In the present study, an unsymmetrically substituted porphyrin derivative namely 5-(p-amino-p...

journal_title：MedChemComm

authors： Guleria M,Das T,Vats K,Amirdhanayagam J,Mathur A,Sarma HD,Dash A

更新日期：2019-02-22 00:00:00

abstract：:Twenty-four 14-sulfonamide-tetrandrine derivatives as potential anti-cancer agents were synthesized. The synthetic derivatives were investigated for their cytotoxic activity against human cancer cell lines MDA-MB-231, PC3, WM9, HEL and K562. Initially, the IC50 values (50% inhibitory concentrations) of all of the comp...

journal_title：MedChemComm

authors： Song J,Lan J,Chen C,Hu S,Song J,Liu W,Zeng X,Lou H,Ben-David Y,Pan W

更新日期：2018-05-04 00:00:00

abstract：:The development of novel nanoscale vehicles for drug delivery promotes the growth of interest in investigations of interaction between nanomaterials. In this paper, we report the in vitro studies of eukaryotic cell physiological response to incubation with graphene oxide and planar kaolin nanoclay. Graphene family mat...

journal_title：MedChemComm

authors： Rozhina E,Batasheva S,Danilushkina A,Kryuchkova M,Gomzikova M,Cherednichenko Y,Nigamatzyanova L,Akhatova F,Fakhrullin R

更新日期：2019-06-10 00:00:00

abstract：:A series of novel indazole-pyrone hybrids were synthesized by a one pot reaction between N-alkyl-6(5)-nitroindazoles and 2-pyrone (4-hydroxy-6-methyl-2H-pyran-2-one) using indium or stannous chloride as the reducing system in the presence of acetic acid in tetrahydrofuran. The hybrid molecules were obtained in good to...

journal_title：MedChemComm

authors： El Ghozlani M,Bouissane L,Berkani M,Mojahidi S,Allam A,Menendez C,Cojean S,Loiseau PM,Baltas M,Rakib EM

更新日期：2018-11-19 00:00:00

abstract：:β-Carbolines have been assessed for osteoclastogenesis. However, their effect on osteoblasts during estrogen deficiency is still unclear. Here, a series of novel piperazine and tetrazole tag β-carbolines have been synthesized and examined for osteoblast differentiation in vitro. In vitro data suggest that compound 8g ...

journal_title：MedChemComm

authors： Karvande A,Khan S,Khan I,Singh D,Khedgikar V,Kushwaha P,Ahmad N,Kothari P,Dhasmana A,Kant R,Trivedi R,Chauhan PMS

更新日期：2018-06-12 00:00:00

abstract：:A focused library of 24 N-aryl urea derivatives was prepared and evaluated against serine esterases of Mycobacterium tuberculosis (Mtb) Rv3802c and Mtb Ag85C. The members of the library were evaluated for both selectivity and mode of inhibition. Furan-based urea derivative 6c was found to be the most potent non-covale...

journal_title：MedChemComm

authors： Vartak A,Goins C,de Moura VCN,Schreidah CM,Landgraf AD,Lin B,Du J,Jackson M,Ronning DR,Sucheck SJ

更新日期：2019-06-04 00:00:00

abstract：:2-Arylethynyl derivatives of (N)-methanocarba adenosine 5'-uronamides are selective A3AR (adenosine receptor) agonists. Here we substitute a 1,2,3-triazol-1-yl linker in place of the rigid, linear ethynyl group to eliminate its potential metabolic liability. Docking of nucleosides containing possible short linker moie...

journal_title：MedChemComm

authors： Tosh DK,Paoletta S,Chen Z,Crane S,Lloyd J,Gao ZG,Gizewski ET,Auchampach JA,Salvemini D,Jacobson KA

更新日期：2015-01-01 00:00:00

abstract：:Receptor mediated gene delivery to the liver offers advantages in treating genetic disorders such as hemophilia and hereditary tyrosinemia type I (HTI). Prior findings demonstrated that tethering the d-galactose head group to cationic lipids directs genes to the liver via asialoglycoprotein receptors (ASGPRs). In our ...

journal_title：MedChemComm

authors： Muripiti V,Lohchania B,Marepally SK,Patri SV

更新日期：2017-12-06 00:00:00

abstract：:Previous studies on the large-scale glycomics of more than 3500 human serum samples revealed that the serum glycoproteins of cancer patients often have more dominant and specific glycoforms, namely, branched tri- and tetra-antennary N-glycans, most cancer patient groups than normal control groups. We herein establishe...

journal_title：MedChemComm

authors： Yogesh KV,Kamiyama T,Ohyama C,Yoneyama T,Nouso K,Kimura S,Hinou H,Nishimura SI

更新日期：2018-06-29 00:00:00

abstract：:A library of 33 compounds was screened for potentiation of the antibiotic FR 900098 against the Francisella tularensis surrogate Francisella novicida. From the screen a highly potent 2-oxazoline adjuvant was discovered capable of potentiating FR 900098 with a 1000-fold reduction in MIC against the Francisella sub-spec...

journal_title：MedChemComm

authors： Stephens MD,Yodsanit N,Melander C

更新日期：2016-01-01 00:00:00

abstract：:A series of 4-thiazolidinone derivatives were synthesized and evaluated as novel human dihydroorotate dehydrogenase (hDHODH) inhibitors. Compounds 26 and 31 displayed IC50 values of 1.75 and 1.12 μM, respectively. The structure-activity relationship was summarized. Further binding mode analysis revealed that compound ...

journal_title：MedChemComm

authors： Zeng F,Qi T,Li C,Li T,Li H,Li S,Zhu L,Xu X

更新日期：2017-04-26 00:00:00

abstract：:N-Acylethanolamine acid amidase (NAAA) is one of the key enzymes involved in the degradation of fatty acid ethanolamides (FAEs), especially for palmitoylethanolamide (PEA). Pharmacological blockage of NAAA restores PEA levels, providing therapeutic benefits in the management of inflammation and pain. In the current wo...

journal_title：MedChemComm

authors： Zhou P,Xiang L,Zhao D,Ren J,Qiu Y,Li Y

更新日期：2018-12-18 00:00:00

abstract：:We used quantum mechanics/molecular mechanics calculations to test if antimalarial primaquine (PQ) and its derivatives aid the conversion of hemoglobin to methemoglobin by binding to hemoglobin and merely lowering hemoglobin's ionization potential (IP). Our results showed that PQ and its derivatives do not significant...

journal_title：MedChemComm

authors： Liu H,Ding Y,Walker LA,Doerksen RJ

更新日期：2013-08-01 00:00:00

abstract：:The cytotoxic drug gemcitabine (GEM) has been conjugated to receptor-binding peptides to target melanoma tumors. A hexapeptide having a Lys-Gly-His-Lys sequence (pep-1), an octapeptide with an Arg-Gly-Asp-Lys-Gly-His-Lys sequence (pep-2), a GEM-conjugated Lys-Gly-His-Lys peptide (GEM-pep-3) and a GEM-conjugated Asp-Gl...

journal_title：MedChemComm

authors： Gaonkar RH,Baishya R,Paul B,Dewanjee S,Ganguly S,Debnath MC,Ganguly S

更新日期：2018-03-06 00:00:00