Studies of TAK1-centered polypharmacology with novel covalent TAK1 inhibitors.

abstract：:N,S-diprotected L-thiothreonine and L-allo-thiothreonine derivatives were synthesized using a novel chemical strategy, and used for esterification of the dinucleotide pdCpA. The aminoacylated dinucleotides were then employed for the preparation of activated suppressor tRNA(CUA) transcripts. Thiothreonine and allo-thio...

journal_title：Bioorganic & medicinal chemistry

authors： Chen S,Fahmi NE,Nangreave RC,Mehellou Y,Hecht SM

更新日期：2012-04-15 00:00:00

abstract：:A growing number of studies have demonstrated that interleukin (IL)-6 plays pathological roles in the development of chronic inflammatory disease and autoimmune disease by activating innate immune cells and by stimulating adaptive inflammatory T cells. So, suppression of IL-6 function may be beneficial for prevention ...

journal_title：Bioorganic & medicinal chemistry

authors： Kim D,Won HY,Hwang ES,Kim YK,Choo HP

更新日期：2017-06-15 00:00:00

abstract：:Pharmacological suppression of leukotriene biosynthesis by 5-lipoxygenase (5-LO)-activating protein (FLAP) inhibitors is a promising strategy to intervene with inflammatory, allergic and cardiovascular diseases. Virtual screening targeting FLAP based on a combined ligand- and structure-based pharmacophore model led to...

journal_title：Bioorganic & medicinal chemistry

authors： Banoglu E,Çalişkan B,Luderer S,Eren G,Özkan Y,Altenhofen W,Weinigel C,Barz D,Gerstmeier J,Pergola C,Werz O

更新日期：2012-06-15 00:00:00

abstract：:We designed and synthesized human telomere alkylating N-methylpyrrole-N-methylimidazole (PI) polyamide conjugates (1-6). The C-type conjugates 1-3 possessed a chlorambucil moiety at the C terminus, whereas the N-type conjugates 4-6 had one of these moieties at the N terminus. The DNA alkylating activity of these conju...

journal_title：Bioorganic & medicinal chemistry

authors： Kashiwazaki G,Bando T,Shinohara K,Minoshima M,Kumamoto H,Nishijima S,Sugiyama H

更新日期：2010-04-15 00:00:00

abstract：:Twenty manzamine amides were synthesized and evaluated for in vitro antimalarial and antimicrobial activities. The amides of manzamine A (1) showed significantly reduced cytotoxicity against Vero cells, although were less active than 1. The structure-activity analysis showed that linear, short alkyl groups adjacent to...

journal_title：Bioorganic & medicinal chemistry

authors： Wahba AE,Peng J,Kudrimoti S,Tekwani BL,Hamann MT

更新日期：2009-11-15 00:00:00

abstract：:In the amyloid cascade hypothesis, β-amyloid (Aβ) plaques is one of the major pathological biomarkers in the Alzheimer's disease (AD) brain. We report the synthesis and evaluation of novel radiofluorinated chalcones, [18F]4-dimethylamino-4'-fluoro-chalcone ([18F]DMFC) and [18F]4'-fluoro-4-methylamino-chalcone ([18F]FM...

journal_title：Bioorganic & medicinal chemistry

authors： Kaide S,Ono M,Watanabe H,Shimizu Y,Nakamoto Y,Togashi K,Yamaguchi A,Hanaoka H,Saji H

更新日期：2018-07-23 00:00:00

abstract：:The pH dependence of the affinity of a 11-mer phosphotyrosine (pY) peptide (EPQpYEEIPIYL-NH2) for the SH2 domain of the tyrosine kinase p56(lck) was investigated with surface plasmon resonance (SPR). From SPR competition experiments the affinity in solution was obtained. The pH dependence of the affinity in solution c...

journal_title：Bioorganic & medicinal chemistry

authors： de Mol NJ,Gillies MB,Fischer MJ

更新日期：2002-05-01 00:00:00

abstract：:The over-expression of aminopeptidase N on diverse malignant cells is associated with the tumor angiogenesis and metastasis. In this report, one new series of leucine ureido derivatives containing the triazole moiety was designed, synthesized and evaluated as APN inhibitors. Among them, compound 13v showed the best AP...

journal_title：Bioorganic & medicinal chemistry

authors： Cao J,Ma C,Zang J,Gao S,Gao Q,Kong X,Yan Y,Liang X,Ding Q,Zhao C,Wang B,Xu W,Zhang Y

更新日期：2018-07-23 00:00:00

abstract：:Certain steroidal compounds have demonstrated an antiproliferative effect against several tumor cell lines; however, their complete role on cancer cells is not currently established. Herein, we report the synthesis and evaluation of two new 26-hydroxy-22-oxocholestanic steroids on cervical cancer CaSki cells. The titl...

journal_title：Bioorganic & medicinal chemistry

authors： Fernández-Herrera MA,López-Muñoz H,Hernández-Vázquez JM,López-Dávila M,Escobar-Sánchez ML,Sánchez-Sánchez L,Pinto BM,Sandoval-Ramírez J

更新日期：2010-04-01 00:00:00

abstract：:Mycobacterium tuberculosis (M.Tb) is a bacillus capable of causing a chronic and fatal condition in humans known as tuberculosis (TB). It is estimated that there are 8 million new cases of TB per year and 3.1 million infected people die annually. Thirty-six new amide quinoxaline 1,4-di-N-oxide derivatives have been sy...

journal_title：Bioorganic & medicinal chemistry

authors： Ancizu S,Moreno E,Solano B,Villar R,Burguete A,Torres E,Pérez-Silanes S,Aldana I,Monge A

更新日期：2010-04-01 00:00:00

abstract：:The pH-rate profile for the hydrolysis of 3'-phosphoadenosine 5'-phosphosulfate (PAPS) in aqueous solution has been measured. Comparison with other data suggests that hydrolysis occurs by almost complete unimolecular elimination of sulfur trioxide, with weak involvement of a molecule of water in the transition state. ...

journal_title：Bioorganic & medicinal chemistry

authors： Bedford CT,Kirby AJ,Logan CJ,Drummond JN

更新日期：1995-02-01 00:00:00

abstract：:The expression and function of endothelin (ET) receptors is abnormal in cardiovascular diseases, tumor progression, and tumor metastasis. In this study, we prepared two [(18)F]-fluorinated derivatives of the non-peptide ET(A) receptor antagonist PD 156707 and evaluated their ET receptor binding potencies. Ex vivo as w...

journal_title：Bioorganic & medicinal chemistry

authors： Höltke C,Law MP,Wagner S,Kopka K,Faust A,Breyholz HJ,Schober O,Bremer C,Riemann B,Schäfers M

更新日期：2009-10-15 00:00:00

abstract：:Our present report deals with the preparation of hitherto unreported 7-([carbonyl-14C]-acetyl)paclitaxel 4 and two new bioactive 7-substituted fluorescent taxoids (FITC 9 and rhodamine 11), as well as evaluation towards their applications as biological probes. The results in this report demonstrate that (a) the new pa...

journal_title：Bioorganic & medicinal chemistry

authors： Rao CS,Chu JJ,Liu RS,Lai YK

更新日期：1998-11-01 00:00:00

abstract：:Synthesis and anticonvulsant activity of new N-Mannich bases of 3-(2-fluorophenyl)- and 3-(2-bromophenyl)-pyrrolidine-2,5-diones have been described. Initial anticonvulsant screening was performed in mice after intraperitoneal administration in the maximal electroshock seizure test (MES) and subcutaneous pentylenetetr...

journal_title：Bioorganic & medicinal chemistry

authors： Obniska J,Rzepka S,Kamiński K

更新日期：2012-08-01 00:00:00

abstract：:Semiempirical quantum mechanical and molecular mechanics calculations were carried out to identify and characterize the steric and electronic properties that modulate ligand recognition and activation of the cerebellar GABAA/benzodiazepine (BDZ) receptor. For this hypothesis development, thirteen compounds belonging t...

journal_title：Bioorganic & medicinal chemistry

authors： Schove LT,Perez JJ,Loew GH

更新日期：1994-10-01 00:00:00

abstract：:Erypoegin K, an isoflavone isolated from the stem bark of Erythrina poeppigiana, has potent apoptosis-inducing effect on human leukemia HL-60 cells. Erypoegin K has a chiral carbon at the C-2'' position of its furan ring and naturally occurs as a racemic mixture of (S)- and (R)-isomers. In the present study, we semi-s...

journal_title：Bioorganic & medicinal chemistry

authors： Hikita K,Saigusa S,Takeuchi Y,Matsuyama H,Nagai R,Kato K,Murata T,Tanaka H,Wagh YS,Asao N,Kaneda N

更新日期：2020-06-01 00:00:00

abstract：:To develop selective inhibitors for β-N-acetylhexosaminidases which are involved in a myriad of physiological processes, a series of novel thioglycosyl-naphthalimide hybrid inhibitors were designed, synthesized and evaluated for inhibition activity against glycosyl hydrolase family 20 and 84 (GH20 and GH84) β-N-acetyl...

journal_title：Bioorganic & medicinal chemistry

authors： Chen W,Shen S,Dong L,Zhang J,Yang Q

更新日期：2018-01-15 00:00:00

abstract：:Antioxidant activity in α- and β-chitosan at a wide range of molecular weight (Mw) and chitosan concentration (CS) was determined by 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, reducing ability, chelating ability, and hydroxyl radical scavenging activity. The form of chitosan (FC) had significant...

journal_title：Bioorganic & medicinal chemistry

authors： Jung J,Zhao Y

更新日期：2012-05-01 00:00:00

abstract：:One phenol-quaternary ammonium salt derivative with a flexible linker and three derivatives with a quinazoline moiety are present. Their binding affinities for DNA are discussed and it is clearly demonstrated that this class of phenol-quaternary ammonium salt derivatives could inhibit DNA transcription effectively. ...

journal_title：Bioorganic & medicinal chemistry

authors： Zhang L,Ren L,Bai M,Weng L,Huang J,Wu L,Deng M,Zhou X

更新日期：2007-11-15 00:00:00

abstract：:Acute myeloid leukemia (AML) is characterized by fast progression and low survival rates, in which Fms-like tyrosine kinase 3 (FLT3) receptor mutations have been identified as a driver mutation in cancer progression in a subgroup of AML patients. Clinical trials have shown emergence of drug resistant mutants, emphasiz...

journal_title：Bioorganic & medicinal chemistry

authors： Grimm SH,Gagestein B,Keijzer JF,Liu N,Wijdeven RH,Lenselink EB,Tuin AW,van den Nieuwendijk AMCH,van Westen GJP,van Boeckel CAA,Overkleeft HS,Neefjes J,van der Stelt M

更新日期：2019-03-01 00:00:00

abstract：:1-2 Annulated adamantane piperidines 4, 6, 16, 17, 19, 23 and 25 were synthesized and evaluated for anti-influenza A virus activity. The stereoelectronic requirements for optimal antiviral potency were investigated. Piperidine 23 proved to be the most active of the compounds tested against influenza A virus, being 3.5...

journal_title：Bioorganic & medicinal chemistry

authors： Zoidis G,Kolocouris N,Naesens L,De Clercq E

更新日期：2009-02-15 00:00:00

abstract：:Sortases catalyze the attachment of surface proteins to the peptidoglycan layer of gram-positive bacteria and further represent powerful tools of protein chemistry. During catalysis sortases cleave a donor substrate containing the LPxTG (x=any amino acid) sorting motif under formation of an enzyme-bound thioester and ...

journal_title：Bioorganic & medicinal chemistry

authors： Schmohl L,Bierlmeier J,von Kügelgen N,Kurz L,Reis P,Barthels F,Mach P,Schutkowski M,Freund C,Schwarzer D

更新日期：2017-09-15 00:00:00

abstract：:A series of new Luotonin A derivatives with substituents at rings A and E was synthesized, together with some E-ring-unsubstituted derivatives. Subsequently, the compound library was examined in silico for their binding into a previously proposed site in the DNA/topoisomerase I binary complex. Whereas no convincing co...

journal_title：Bioorganic & medicinal chemistry

authors： Ibric A,Battisti V,Deckardt S,Haller AV,Lee C,Prötsch C,Langer T,Heffeter P,Schueffl HH,Marian B,Haider N

更新日期：2020-05-01 00:00:00

abstract：:We investigated sequence-specific DNA alkylation using conjugates between the N-methylpyrrole (Py)-N-methylimidazole (Im) polyamide and the DNA alkylating agent, chlorambucil, or 1-(chloromethyl)-5-hydroxy-1,2-dihydro-3H-benz[e]indole (seco-CBI). Polyamide-chlorambucil conjugates 1-4 differed in the position at which ...

journal_title：Bioorganic & medicinal chemistry

authors： Minoshima M,Bando T,Shinohara K,Kashiwazaki G,Nishijima S,Sugiyama H

更新日期：2010-02-01 00:00:00

abstract：:A series of 1,3,4-oxadiazole derivatives derived from 4-methoxysalicylic acid or 4-methylsalicylic acid (6a-6z) have been first synthesized for their potential immunosuppressive activity. Among them, compound 6z displayed the most potent biological activity against lymph node cells (inhibition=38.76% for lymph node ce...

journal_title：Bioorganic & medicinal chemistry

authors： Zhang ZM,Zhang XW,Zhao ZZ,Yan R,Xu R,Gong HB,Zhu HL

更新日期：2012-05-15 00:00:00

abstract：:Three new derivatives of 2-substituted 1,3,4-thiadiazole-5-sulfonamide have been synthesized. These compounds are 2-(3-chloropropionylamino)-1,3,4-thiadiazole-5-sulfonamide (1); 2-(2,2-dichloroacetylamino)-1,3,4-thiadiazole-5-sulfonamide (2); and 2-(3-phenylpropionylamino)-1,3,4-thiadiazole-5-sulfonamide (3). Inhibiti...

journal_title：Bioorganic & medicinal chemistry

authors： Arslan O,Küfrevioĝlu OI,Nalbantoĝlu B

更新日期：1997-03-01 00:00:00

abstract：:A novel series of fluorinated 2-phenylindole derivatives were synthesized and evaluated as β-amyloid imaging probes for PET. The in vitro inhibition assay demonstrated that their binding affinities for Aβ(1-42) aggregates ranged from 28.4 to 1097.8 nM. One ligand was labeled with (18)F ([(18)F]1a) for its high affinit...

journal_title：Bioorganic & medicinal chemistry

authors： Fu H,Yu L,Cui M,Zhang J,Zhang X,Li Z,Wang X,Jia J,Yang Y,Yu P,Jia H,Liu B

更新日期：2013-07-01 00:00:00

abstract：:Twenty-one benzotriazoles (3-16 and 18-24) were synthesized and half of them (5, 8-16, 20, and 21) were reported for the first time. Their antiproliferative activities against three human cancer cells were assayed. It revealed that 1H-benzo[d][1,2,3]triazol-1-yl 3,4,5-trimethoxybenzoate (9) showed considerable activit...

journal_title：Bioorganic & medicinal chemistry

authors： Fu J,Yang Y,Zhang XW,Mao WJ,Zhang ZM,Zhu HL

更新日期：2010-12-15 00:00:00

abstract：:The T box riboswitch is an intriguing potential target for antibacterial drug discovery. Found primarily in Gram-positive bacteria, the riboswitch regulates gene expression by selectively responding to uncharged tRNA to control transcription readthrough. Polyamines and molecular crowding are known to specifically affe...

journal_title：Bioorganic & medicinal chemistry

authors： Zeng C,Zhou S,Bergmeier SC,Hines JV

更新日期：2015-09-01 00:00:00

abstract：:To elucidate the structure-activity relationships of metabolites of folates as antioxidants, the O-H bond dissociation enthalpies (BDEs) and ionization potentials (IPs) for these compounds were calculated by density functional theory (DFT) on B3LYP/6-31+G(,3pd) level. Accordingly, the antioxidant activity difference f...

journal_title：Bioorganic & medicinal chemistry

authors： Ji HF,Tang GY,Zhang HY

更新日期：2005-02-15 00:00:00