Abstract:
:Novel and artificial anthraquinone-carbohydrate hybrids were designed and synthesized, and found to effectively cleave DNA under irradiation with a long wavelength UV light and also exhibit cytotoxicity against HeLa S3 cells.
journal_name
Bioorg Med Chem Lettjournal_title
Bioorganic & medicinal chemistry lettersauthors
Toshima K,Maeda Y,Ouchi H,Asai A,Matsumura Sdoi
10.1016/s0960-894x(00)00410-8subject
Has Abstractpub_date
2000-10-02 00:00:00pages
2163-5issue
19eissn
0960-894Xissn
1464-3405pii
S0960-894X(00)00410-8journal_volume
10pub_type
杂志文章abstract::Aminoglycosides have been shown to target A-form nucleic acids. Our work has previously shown that neomycin (and other aminoglycosides) bind and stabilize DNA/RNA triplexes and other A-form nucleic acids. We report herein the unexpected B-form duplex stabilization shown by aminoglycoside dimers (neomycin-neomycin and ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2004.07.002
更新日期:2004-09-20 00:00:00
abstract::The synthesis and metal binding properties of cation-sensitive fluorescent indicators intended for biological applications are described. The increase of the crown ether ring size enhances the affinity for larger cations, but weakens the fluorescent response and selectivity. A compound having a 15-crown-5 chelator dir...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2005.02.017
更新日期:2005-04-01 00:00:00
abstract::Currently, there is an ongoing interest in the synthesis of nucleoside diphosphate analogs as important regulators in catabolism/anabolism, and their potential applications as mechanistic probes and chemical tools for bioassays. However, the pyrophosphate bond formation step remains as the bottleneck. In this Digest, ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章,评审
doi:10.1016/j.bmcl.2015.06.094
更新日期:2015-09-15 00:00:00
abstract::We describe the synthesis and potency of a novel series of N-substituted 2-phenyl- and 2-methyl-2-phenyl-1,4-diaminobutane- based CCR5 antagonists. Compounds 7a and 12f were found to be potent in anti-HIV assays and bioavailable in the low-dose rat PK model. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2011.01.030
更新日期:2011-03-01 00:00:00
abstract::We designed and synthesized a small series of 2-aryl-imidazo[2,1-b]benzothiazole, representing a combination of motifs from the two most potent amyloid imaging agents, PIB and IMPY. The binding affinity of the new compounds ranged from 6 to 133 nM. Among the best compounds, 3b (K(i)=6 nM) can be labeled with (11)CH(3)...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2011.03.052
更新日期:2011-05-15 00:00:00
abstract::Novel arylthiomethyl morpholines are potent selective norepinephrine reuptake inhibitors (NERIs) and dual serotonin/norepinephrine reuptake inhibitors (SRI/NERIs). The target compounds were prepared using a stereochemically versatile synthesis featuring an aldol condensation as the key step. One enantiomer of the 2-me...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2004.11.025
更新日期:2005-02-01 00:00:00
abstract::The worldwide increase in antibiotic resistance has led to search of alternatives anti-microbial therapies such as photodynamic inactivation. The aim of this paper was to evaluate the photodynamic activity in vitro of a neutral and two cationic Zn phthalocyanines. Their photokilling activity was tested on Escherichia ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2017.08.028
更新日期:2017-09-15 00:00:00
abstract::Scavenger receptor A (SRA) has been implicated in the processes of tumor invasion and acts as an immunosuppressor during therapeutic cancer vaccination. Pharmacological inhibition of SRA function thus holds a great potential to improve treatment outcome of cancer therapy. Macromolecular natural product sennoside B was...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2015.05.090
更新日期:2015-08-15 00:00:00
abstract::Xanthorrhizol, isolated from the Indonesian Java turmeric Curcuma xanthorrhiza, displays broad-spectrum antibacterial activity. We report herein the evidence that mechanism of action of xanthorrhizol may involve FabI, an enoyl-(ACP) reductase, inhibition. The predicted Y156V substitution in the FabI enzyme promoted xa...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2020.127651
更新日期:2020-12-15 00:00:00
abstract::Oxomollugin (2) is a degradation product of mollugin (1) and a potent inhibitor of NO-production including nuclear factor kappa B signals. In our endeavor to develop a potent anti-inflammatory compound, we synthesized several aza-derivatives of oxomollugin (2) and evaluated their NO-production inhibitory activity. Aza...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2015.11.081
更新日期:2016-01-15 00:00:00
abstract::Quantitative fluorescence-based methods have been developed to determine the nuclear concentration of polyamide-fluorescein conjugates in cell culture. Confocal laser scanning microscopy and flow cytometry techniques are utilized to plot calibration curves, from which the nuclear concentration can be interpolated. Upo...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2008.05.063
更新日期:2008-11-15 00:00:00
abstract::Novel C(3) propenylamide and propenylsulfonamide cephalosporins have been synthesized and tested for their ability to inhibit the penicillin-binding protein 2' (PBP2') from Staphylococcus epidermidis and the growth of a panel of clinically relevant bacterial species, including methicillin-resistant Staphylococcus aure...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2010.05.110
更新日期:2010-08-01 00:00:00
abstract::In this communication, human 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) inhibitory activities of a novel series of diarylsulfones are described. Optimization of this series resulted in several highly potent 11β-HSD1 inhibitors with excellent pharmacokinetic (PK) properties. Compound (S)-25 showed excellent eff...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2010.09.097
更新日期:2010-12-01 00:00:00
abstract::Despite curcumin has been proved to possess antimalarial effects, the underlying mechanism remains to be elucidated. In this letter, the active site binding modes of curcumin in PfATP6, an important antimalarial target, were investigated using computational docking. It was revealed that curcumin interacts with PfATP6 ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2009.03.060
更新日期:2009-05-01 00:00:00
abstract::Bioconjugate formats provide alternative strategies for antigen targeting with bispecific antibodies. Here, PSMA-targeted Fab conjugates were generated using different bispecific formats. Interchain disulfide bridging of an αCD3 Fab enabled installation of either the PSMA-targeting small molecule DUPA (SynFab) or the ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2017.09.065
更新日期:2017-12-15 00:00:00
abstract::A series of novel (un)substituted benzotriazolyl oxazolidinone derivatives has been synthesized and tested for in vitro antibacterial activities by MIC determination against a panel of susceptible and resistant Gram-positive and Gram-negative microorganisms, some of which are resistant to methicillin and vancomycin. C...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2005.04.045
更新日期:2005-06-15 00:00:00
abstract::The synthesis and biological evaluation of a series of novel isobenzofuran-based compounds are described. The compounds were evaluated for their immunosuppressive effects of T-cell proliferation and IMPDH type II inhibitor activity in vitro, as well as their structure-activity relationships were assessed. Several comp...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2011.11.078
更新日期:2012-01-01 00:00:00
abstract::The Keap1-Nrf2 system is involved not only in biological defense but also in malignancy progression and chemoresistance. The ubiquitin-binding protein p62/Sqstm1 (p62), which is highly expressed in several cancers, competes with Nrf2 for Keap1 binding, leading to activation of Nrf2-mediated gene expression and surviva...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2016.10.083
更新日期:2016-12-15 00:00:00
abstract::Compounds belonging to a carbazole series have been identified as potent fungal plasma membrane proton adenosine triphophatase (H+-ATPase) inhibitors with a broad spectrum of antifungal activity. The carbazole compounds inhibit the adenosine triphosphate (ATP) hydrolysis activity of the essential fungal H+-ATPase, the...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2017.08.067
更新日期:2017-10-01 00:00:00
abstract::Valosin-containing protein (VCP; also known as p97) is a member of the AAA ATPase family with a central role in the ubiquitin-degradation of misfolded proteins. VCP also exhibits antiapoptotic function and metastasis via activation of nuclear factor kappa-B signaling pathway. We have discovered that 2-anilino-4-aryl-1...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2010.01.058
更新日期:2010-03-01 00:00:00
abstract::To explore the hydrophobic groove subsite within the CB1 cannabinoid receptor we have designed and synthesized a group of tail-substituted anandamide analogs. Our design involves the introduction of aryl or heterocyclic ring as terminal substituents that are connected to the last cis-arachidonyl double bond through al...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2008.07.110
更新日期:2008-11-15 00:00:00
abstract::The synthesis and in vitro Class III antiarrhythmic activity of several 4-aroyl (and aryl)-1-aralkylpiperazine and piperidine derivatives are described. Among several potent compounds identified in the series, RWJ-28810 (3), with its EC20 of 3 nM, ranks as one of the most potent (in vitro) compounds reported. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(00)00581-3
更新日期:2000-12-18 00:00:00
abstract::Bioactivity-guided fractionation of the CHCl3 extract from hooks of Uncaria rhynchophylla led to the isolation of two triterpene esters, namely uncarinic acids A (1) and B (2). Their structures were established by spectroscopic and chemical methods. These compounds inhibited phospholipase Cgamma1 with IC50 values of 3...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(99)00211-5
更新日期:1999-05-17 00:00:00
abstract::Bioassay-guided fractionation of the fruit powder of graviola (Annona muricata) yielded three novel compounds: muricins J, K, and L. The compounds are all C35 Annonaceous acetogenins with a mono-tetrahydrofuran ring and four hydroxyls. Their structures were elucidated by spectral methods and chemical modification afte...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2014.03.099
更新日期:2014-06-15 00:00:00
abstract::A novel series of benzenesulfonamides that contain ferrocenyl or ruthenocenyl moieties were synthesized and investigated for their ability to inhibit the enzymatic activity of physiologically relevant carbonic anhydrase (CA) isozymes: hCA I, II and tumour-associated IX (h=human). This manuscript describes the regiosel...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2007.07.024
更新日期:2007-09-15 00:00:00
abstract::Eighteen diamidino azaterphenyls and analogues were evaluated as anti-leishmanials; nine of the compounds gave IC50 values less than 1 microM, five exhibited values less than 0.40 microM, and two gave values less than 0.10 microM in a Leishmania donovani axenic amastigote assay. The activity of the diamidines strongly...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2007.10.091
更新日期:2008-01-01 00:00:00
abstract::The present study identified several 4-alkynyl and 4-alkenylquinazolines that serve as novel and potent EGFR tyrosine kinase inhibitors. The IC(50) values of these compounds are in the nanomolar range. In addition, the 4-(4-phenylbut-1-yn/en-yl)quinazolines provided scaffolds for potent enzyme inhibition. Chiral discr...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2007.08.020
更新日期:2007-11-01 00:00:00
abstract::8-Iodo-11-(4-methylpiperazino)-5H-dibenzo[b,e][1,4]-diazepine: Iozapine, a potential D(4)-receptor ligand was synthesized using oxidative iodo-destannylation reaction. The preliminary biodistribution studies of radioiodinated iozapine have shown that the compound is taken up in the brains of mice and rabbits. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2007.04.069
更新日期:2007-07-15 00:00:00
abstract::The structure-activity relationship (SAR) of the lactone ring of himbacine derived thrombin receptor (PAR-1) antagonists (e.g., 2-5) is described. The effect of the lactone carbonyl group on binding to PAR-1 is dependent on the substitution pattern of the pyridine ring. A stereoselective intramolecular Michael additio...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2006.06.042
更新日期:2006-09-15 00:00:00
abstract::An inibition study of the β-carbonic anhydrase (CA, EC 4.2.1.1) DmBCA from the insect Drosophila melanogaster with sulfonamides and sulfamates is reported. Among the panel of 40 investigated compounds, the best DmBCA inhibitors were the sulfonylated benzenesulfonamides and ethoxzolamide, which showed inhibition consta...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2014.04.117
更新日期:2014-07-01 00:00:00