Abstract:
:This work reports on the synthesis, characterization, and in vitro cytotoxic activity of some new platinum(II), palladium(II), and gold(III) derivatives of methylsarcosinedithiocarbamate and its S-methyl ester, to study their behavior as potential antitumor agents. The biological activity of these compounds, as determined by growth inhibition and apoptosis induction, has been investigated in both human leukemic promyelocites HL60 and human squamous cervical adenocarcinoma HeLa cell lines, and their activity has been compared to the well-known platinum-based anticancer agent cisplatin. On the basis of these experimental results, [Pd(MSDT)X]n (MSDT = methylsarcosinedithiocarbamate; X = Cl, Br) complexes show a strong dose-dependent growth inhibition of both HL60 and HeLa cells, with IC(50) values slightly higher than those recorded for cisplatin; moreover, [Au(MSDT)X(2)] activity appears significantly higher or, at least, comparable to that of the reference drug. Exposure of both cell lines to [Pd(MSDT)X]n and [Au(MSDT)X(2)] complexes induces apoptosis, as determined by an Apo2.7 assay.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Giovagnini L,Ronconi L,Aldinucci D,Lorenzon D,Sitran S,Fregona Ddoi
10.1021/jm049191xkeywords:
subject
Has Abstractpub_date
2005-03-10 00:00:00pages
1588-95issue
5eissn
0022-2623issn
1520-4804journal_volume
48pub_type
杂志文章abstract::Anaplastic lymphoma kinase (ALK) is a valid target for anticancer therapy; however, potent ALK inhibitors suitable for clinical use are lacking. Because the majority of described kinase inhibitors bind in the ATP pocket of the kinase domain, we have characterized this pocket in ALK using site-directed mutagenesis, inh...
journal_title:Journal of medicinal chemistry
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更新日期:2006-09-21 00:00:00
abstract::A three-dimensional structure of the complex of human renin and the scissile site P4 Pro to P1' Val of angiotensinogen was deduced in order to design potent human renin inhibitors rationally. On the basis of this structure, an orally potent human renin inhibitor (1a) was designed from the angiotensinogen transition st...
journal_title:Journal of medicinal chemistry
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abstract::Penicillin-binding proteins represent well-established, validated, and still very promising targets for the design and development of new antibacterial agents. The transglycosylase domain of penicillin-binding proteins is especially important, as it catalyzes polymerization of glycan chains, using the peptidoglycan pr...
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abstract::n-Octyl, n-dodecyl, and n-hexadecyl alpha- and gamma-esters of methotrexate (MTX) were compared with the previously described alpha- and gamma-n-butyl esters and with MTX as inhibitors of dihydrofolate reductase (DHFR) and human leukemic lymphoblasts (CEM cells) in culture. The overall order of activity in both test s...
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abstract::In our efforts to explore marine cyanobacteria as a source of novel bioactive compounds, we discovered a statine unit-containing linear decadepsipeptide, grassystatin A (1), which we screened against a diverse set of 59 proteases. We describe the structure determination of 1 and two natural analogues, grassystatins B ...
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abstract::Condensation of cyanothioacetamide (4) with ethyl alpha-(ethoxymethylene)acetoacetate (5b), ethyl 4-ethoxy-2-(ethoxymethylene)-3-oxobutanoate (5c), ethyl 2-(ethoxymethylene)-3-oxo-4-phenylpropanoate (5d) afforded exclusively the corresponding 6-substituted pyridines (6b-d). Cyclization of 4 with 3-carbethoxybutane-2,4...
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abstract::With the aim of obtaining new antitumoral agents, a series of 5,8-quinazolinediones was prepared. 5-Amino-6-methoxyquinazoline was oxidized by Fremy's salt to give 6-methoxy-5,8-quinazolinedione. Nucleophilic substitution reaction at C6, electrophilic substitution at C7, and synthesis of 7-amino-6-methoxy-5,8-quinazol...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00366a011
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abstract::We investigated the pharmacological profile of a novel series of quinoxaline-based 5-HT(3) receptor ligands bearing an extra basic moiety on the piperazine N-4. High affinity and selectivity were dependent on the electronic properties of the substituents, and at cardiac level 3a and 3c modulated chronotropy but not in...
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更新日期:2009-11-12 00:00:00
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doi:10.1021/jm00192a007
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更新日期:1996-11-22 00:00:00
abstract::Twenty-three acrylonitriles, substituted at position 2 with either triazoles or benzimidazoles and at position 3 with various substituted furan, thiophene, or phenyl rings, were prepared by Knoevenagel condensation and tested for in vitro cytotoxic potency on 11 human cancer cell lines. X-ray crystal analysis of two r...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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更新日期:2004-06-17 00:00:00
abstract::We have previously described the potent and selective inhibition of several strains of human immunodeficiency virus type 1 (HIV-1) and type 2 (HIV-2) by JM2763, an n-propyl-linked dimer of the 1,4,8,11-tetraazamacrocyclic (cyclam) ring system. Upon further investigation, we have also found that incorporating an aromat...
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doi:10.1021/jm00002a019
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abstract::Protecting enkephalins, endogenous opioid peptides released in response to nociceptive stimuli, is an innovative approach for acute and neuropathic pain alleviation. This is achieved by inhibition of their enzymatic degradation by two membrane-bound Zn-metallopeptidases, neprilysin (NEP, EC 3.4.24.11) and aminopeptida...
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abstract::The antineoplastic constituents of Combretum caffrum (Eckl. and Zeyh) Kuntze (Combretaceae family), a species indigenous to South Africa, have been investigated. Subsequently we isolated a series of closely related bibenzyls, stilbenes, and phenanthrenes from C. caffrum. Some of the stilbenes proved to be potent antim...
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abstract::On the basis of the structures of several potent inhibitor molecules for gamma-aminobutryric acid aminotransferase (GABA-AT) that were previously reported, six modified fluorine-containing conformationally restricted analogues were designed, synthesized, and tested as GABA-AT inhibitors. The syntheses of all six molec...
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更新日期:2013-06-13 00:00:00