Minibody-indocyanine green based activatable optical imaging probes: the role of short polyethylene glycol linkers.

abstract：:The signal transducer and activator of transcription 3 (STAT3) is considered to be an attractive therapeutic target for oncology drug development. We identified a N-[2-(1,3,4-oxadiazolyl)]-4-quinolinecarboxamide derivative, STX-0119, as a novel STAT3 dimerization inhibitor by a virtual screen using a customized versio...

journal_title：ACS medicinal chemistry letters

authors： Matsuno K,Masuda Y,Uehara Y,Sato H,Muroya A,Takahashi O,Yokotagawa T,Furuya T,Okawara T,Otsuka M,Ogo N,Ashizawa T,Oshita C,Tai S,Ishii H,Akiyama Y,Asai A

更新日期：2010-07-13 00:00:00

abstract：:Modifications at the basic nitrogen of the benzomorphan scaffold allowed the development of compounds able to segregate physiological responses downstream of the receptor signaling, opening new possibilities in opioid drug development. Alkylation of the phenyl ring in the N-substituent of the MOR-agonist/DOR-antagonis...

journal_title：ACS medicinal chemistry letters

authors： Pasquinucci L,Parenti C,Ruiz-Cantero MC,Georgoussi Z,Pallaki P,Cobos EJ,Amata E,Marrazzo A,Prezzavento O,Arena E,Dichiara M,Salerno L,Turnaturi R

更新日期：2020-01-28 00:00:00

abstract：:The identification of Pim-1/2 kinase overexpression in B-cell malignancies suggests that Pim kinase inhibitors will have utility in the treatment of lymphoma, leukemia, and multiple myeloma. Starting from a moderately potent quinoxaline-dihydropyrrolopiperidinone lead, we recognized the potential for macrocyclization ...

journal_title：ACS medicinal chemistry letters

authors： Cee VJ,Chavez F Jr,Herberich B,Lanman BA,Pettus LH,Reed AB,Wu B,Wurz RP,Andrews KL,Chen J,Hickman D,Laszlo J 3rd,Lee MR,Guerrero N,Mattson BK,Nguyen Y,Mohr C,Rex K,Sastri CE,Wang P,Wu Q,Wu T,Xu Y,Zhou Y,Wi

更新日期：2016-02-12 00:00:00

abstract：:With the COVID-19 pandemic, the evolutionary fate of SARS-CoV-2 becomes a matter of utmost concern. Mutation D614G in the spike (S) protein has become dominant, and recent evidence suggests it yields a more stable phenotype with higher transmission efficacy. We carry out a structural analysis that provides mechanistic...

journal_title：ACS medicinal chemistry letters

authors： Fernández A

更新日期：2020-08-17 00:00:00

abstract：:Rapid detection and precise evaluation of myocardial viability is necessary to aid in clinical decision making whether to recommend revascularization for patients with myocardial infarction (MI). Three novel 18F-labeled 1-hydroxyanthraquinone derivatives were synthesized, characterized, and evaluated as potential necr...

journal_title：ACS medicinal chemistry letters

authors： Ji AY,Jin QM,Zhang DJ,Zhu H,Su C,Duan XH,Bian L,Sun ZP,Ni YC,Zhang J,Yang Z,Yin ZQ

更新日期：2016-12-28 00:00:00

abstract：:A medicinal chemistry effort focused on identifying a structurally diverse candidate for phosphoinositide 3-kinase delta (PI3Kδ) led to the discovery of clinical candidate INCB050465 (20, parsaclisib). The unique structure of 20 contains a pyrazolopyrimidine hinge-binder in place of a purine motif that is present in o...

journal_title：ACS medicinal chemistry letters

authors： Yue EW,Li YL,Douty B,He C,Mei S,Wayland B,Maduskuie T,Falahatpisheh N,Sparks RB,Polam P,Zhu W,Glenn J,Feng H,Zhang K,Li Y,He X,Katiyar K,Covington M,Feldman P,Shin N,Wang KH,Diamond S,Li Y,Koblish HK,Hall

更新日期：2019-10-17 00:00:00

abstract：:In this study the μ opioid receptor (MOR) ligands DALDA (Tyr-d-Arg-Phe-Lys-NH2) and Dmt1-DALDA (Dmt-d-Arg-Phe-Lys-NH2, Dmt = 2',6'-dimethyltyrosine) were glycosylated at the N- or C-terminus. Subsequently, the modified peptides were subjected to in vitro and in vivo evaluation. In contrast to the N-terminally modified...

journal_title：ACS medicinal chemistry letters

authors： Ballet S,Betti C,Novoa A,Tömböly C,Nielsen CU,Helms HC,Lesniak A,Kleczkowska P,Chung NN,Lipkowski AW,Brodin B,Tourwé D,Schiller PW

更新日期：2014-04-10 00:00:00

abstract：:Late-stage oxidation using liver microsomes was applied to phosphodiesterase 2 inhibitor 1 to reduce its clearance by cytochrome P450 enzymes, introduce renal clearance, and minimize the risk for victim drug-drug interactions. This approach yielded PF-06815189 (2) with improved physicochemical properties and a mixed m...

journal_title：ACS medicinal chemistry letters

authors： Stepan AF,Tran TP,Helal CJ,Brown MS,Chang C,O'Connor RE,De Vivo M,Doran SD,Fisher EL,Jenkinson S,Karanian D,Kormos BL,Sharma R,Walker GS,Wright AS,Yang EX,Brodney MA,Wager TT,Verhoest PR,Obach RS

更新日期：2018-01-04 00:00:00

abstract：:The racemic product of the Betti reaction of 5-chloro-8-hydroxyquinoline, benzaldehyde and 2-aminopyridine was separated by chiral HPLC to determine which enantiomer inhibited botulinum neurotoxin serotype A. When the enantiomers unexpectedly proved to have comparable activity, the absolute structures of (+)-(R)-1 and...

journal_title：ACS medicinal chemistry letters

authors： Cardellina JH 2nd,Vieira RC,Eccard V,Skerry J,Montgomery V,Campbell Y,Roxas-Duncan V,Leister W,Leclair CA,Maloney DJ,Padula D,Pescitelli G,Khavrutskii I,Hu X,Wallqvist A,Smith LA

更新日期：2011-03-10 00:00:00

abstract：:The attachment of lipids to C- or N-terminally positioned lysine side-chain amino groups increases the activity of a short synthetic (Arg-Trp)3 antimicrobial peptide significantly, making these peptides even active against pathogenic Gram-negative bacteria. Thus, a peptide with strong activity against S. aureus (1.1-2...

journal_title：ACS medicinal chemistry letters

authors： Albada HB,Prochnow P,Bobersky S,Langklotz S,Schriek P,Bandow JE,Metzler-Nolte N

更新日期：2012-09-04 00:00:00

abstract：:The natural product L-783277 is a resorcylic lactone type covalent kinase inhibitor. We have prepared the 5'-deoxy analogue of L-783277 (1) in a stereoselective fashion. Remarkably, this analogue retains almost the full kinase inhibitory potential of natural L-783277, with low nanomolar IC50 values against the most se...

journal_title：ACS medicinal chemistry letters

authors： Liniger M,Neuhaus C,Hofmann T,Fransioli-Ignazio L,Jordi M,Drueckes P,Trappe J,Fabbro D,Altmann KH

更新日期：2010-10-20 00:00:00

abstract：:A series of oxyguanidine analogues of the cysteine protease inhibitor WRR-483 were synthesized and evaluated against cruzain, the major cysteine protease of the protozoan parasite Trypanosoma cruzi. Kinetic analyses of these analogues indicated that they have comparable potency to previously prepared vinyl sulfone cru...

journal_title：ACS medicinal chemistry letters

authors： Jones BD,Tochowicz A,Tang Y,Cameron MD,McCall LI,Hirata K,Siqueira-Neto JL,Reed SL,McKerrow JH,Roush WR

更新日期：2015-12-15 00:00:00

abstract：:γ-Aminobutyric acid type A (GABAA) receptors are key mediators of central inhibitory neurotransmission and have been implicated in several disorders of the central nervous system. Some positive allosteric modulators (PAMs) of this receptor provide great therapeutic benefits to patients. However, adverse effects remain...

journal_title：ACS medicinal chemistry letters

authors： Blom AEM,Su JY,Repka LM,Reisman SE,Dougherty DA

更新日期：2020-09-15 00:00:00

abstract：:We report here the total synthesis of B-973 (five steps), a recently identified α7 nAChR ago-PAM, its enantiomeric resolution, and its electrophysiological characterization in Xenopus oocytes to identify (-)-B-973B as the bioactive enantiomer. The asymmetric synthesis of B-973B was accomplished in 99% ee, and X-ray cr...

journal_title：ACS medicinal chemistry letters

authors： Garai S,Raja KS,Papke RL,Deschamps JR,Damaj MI,Thakur GA

更新日期：2018-10-11 00:00:00

abstract：:Bone Morphogenetic Protein 1 (BMP1) inhibition is a potential method for treating fibrosis because BMP1, a member of the zinc metalloprotease family, is required to convert pro-collagen to collagen. A novel class of reverse hydroxamate BMP1 inhibitors was discovered, and cocrystal structures with BMP1 were obtained. T...

journal_title：ACS medicinal chemistry letters

authors： Kallander LS,Washburn D,Hilfiker MA,Eidam HS,Lawhorn BG,Prendergast J,Fox R,Dowdell S,Manns S,Hoang T,Zhao S,Ye G,Hammond M,Holt DA,Roethke T,Hong X,Reid RA,Gampe R,Zhang H,Diaz E,Rendina AR,Quinn AM,Willette

更新日期：2018-07-02 00:00:00

abstract：:Heat shock protein 90 (Hsp90) is a molecular chaperone that is responsible for the folding and maturation of client proteins that are associated with all ten hallmarks of cancer. Hsp90 N-terminal pan inhibitors have experienced unfavorable results in clinical trials due to induction of the heat shock response (HSR), a...

journal_title：ACS medicinal chemistry letters

authors： Pugh KW,Zhang Z,Wang J,Xu X,Munthali V,Zuo A,Blagg BSJ

更新日期：2020-06-11 00:00:00

abstract：:Primary open angle glaucoma is the second most common cause of blindness worldwide. Nitric oxide has recently received particular attention as a potential antiglaucoma agent. In this work, gem-dinitroalkyl benzenes are evaluated for their capability to act as a new class of IOP lowering agents. These derivatives have ...

journal_title：ACS medicinal chemistry letters

authors： Blangetti M,Rolando B,Marini E,Chegaev K,Guglielmo S,Lazzarato L,Lucarini L,Masini E,Fruttero R

更新日期：2017-09-13 00:00:00

abstract：:Representative d-amino acid oxidase (DAAO) inhibitors were subjected to in vitro liver microsomal stability tests in the absence or presence of uridine diphosphate glucuronic acid (UDPGA). While carboxylate-based DAAO inhibitors displayed little glucuronidation, most DAAO inhibitors containing α-hydroxycarbonyl moiety...

journal_title：ACS medicinal chemistry letters

authors： Zimmermann SC,Rais R,Alt J,Burzynski C,Slusher BS,Tsukamoto T

更新日期：2014-10-21 00:00:00

abstract：:Two known cleistriosides and six known cleistetrosides were synthesized and evaluated for anticancer and antibacterial activity. This study, for the first time, reports anticancer activity and comprehensively the antibacterial activity for these oligosaccharide natural products. In addition, two new unnatural cleistet...

journal_title：ACS medicinal chemistry letters

authors： Shi P,Silva MC,Wang HY,Wu B,Akhmedov NG,Li M,Beuning PJ,O'Doherty GA

更新日期：2012-12-13 00:00:00

abstract：:Retinoid X receptor-alpha (RXRα) is implicated in the regulation of many biological processes and also represents a unique intracellular target for pharmacologic interventions. Efforts on discovery of small molecules targeting RXRα have been primarily focused on the molecules that bind to its classical ligand-binding ...

journal_title：ACS medicinal chemistry letters

authors： Chen F,Liu J,Huang M,Hu M,Su Y,Zhang XK

更新日期：2014-05-14 00:00:00

abstract：:We have employed novel fragment-based screening methodology to discover bivalent kinase inhibitors with improved selectivity. Starting from a low molecular weight promiscuous kinase inhibitor, we appended a thiol for subsequent reaction with a library of acrylamide electrophiles. Enzyme-templated screening was perform...

journal_title：ACS medicinal chemistry letters

authors： Kwarcinski FE,Steffey ME,Fox CC,Soellner MB

更新日期：2015-07-13 00:00:00

abstract：:WaterMap and MM-GB/SA scoring methods were applied to an extensive congeneric series of small-molecule SRC inhibitors with high-quality enzyme data and well characterized binding modes to compare the performance of these scoring methods in this data set and to provide insight into the relative strengths of each method...

journal_title：ACS medicinal chemistry letters

authors： Kohlmann A,Zhu X,Dalgarno D

更新日期：2012-01-06 00:00:00

abstract：:[This corrects the article DOI: 10.1021/acsmedchemlett.9b00612.]. ...

journal_title：ACS medicinal chemistry letters

authors： Kaiser TM,Dentmon ZW,Dalloul CE,Sharma SK,Liotta DC

更新日期：2020-06-24 00:00:00

abstract：:The phenethylamine backbone is a privileged substructure found in a wide variety of G protein-coupled receptor (GPCR) ligands. This includes both endogenous neurotransmitters and active pharmaceutical agents. More than 20 structurally unique heterocyclic phenethylamine derivatives were broadly evaluated for GPCR affin...

journal_title：ACS medicinal chemistry letters

authors： Porter MR,Xiao H,Wang J,Smith SB,Topczewski JJ

更新日期：2019-09-23 00:00:00

abstract：:We report the design, synthesis, and biological evaluation of a (64)Cu-labeled histone deacetylase (HDAC) imaging probe, which was obtained by introduction of metal chelator through click reaction of HDAC inhibitor CUDC-101 and then radiolabeled with (64)Cu. The resulting (64)Cu-labeled compound 7 ([(64)Cu]7) was iden...

journal_title：ACS medicinal chemistry letters

authors： Meng Q,Li F,Jiang S,Li Z

更新日期：2013-07-25 00:00:00

abstract：:The self-assembly of amyloid proteins into β-sheet rich assemblies is associated with human amyloidoses including Alzheimer's disease, Parkinson's disease, and type 2 diabetes. An attractive therapeutic strategy therefore is to develop small molecules that would inhibit protein self-assembly. Natural polyphenols are p...

journal_title：ACS medicinal chemistry letters

authors： Liu G,Gaines JC,Robbins KJ,Lazo ND

更新日期：2012-08-28 00:00:00

abstract：:The ring closing metathesis/transannular etherification approach to the englerin nucleus was adapted to provide two key intermediates for analogue synthesis: the 4-desmethyl Δ5,6 tricycle and the 4-oxo Δ5,6 tricycle. The former was elaborated to 4-desmethyl englerin A and the latter served as a common precursor for en...

journal_title：ACS medicinal chemistry letters

authors： Elliott DC,Beutler JA,Parker KA

更新日期：2017-06-06 00:00:00

abstract：:PROTACs-induced targeted protein degradation has emerged as a novel therapeutic strategy in drug development and attracted the favor of academic institutions, large pharmaceutical enterprises (e.g., AstraZeneca, Bayer, Novartis, Amgen, Pfizer, GlaxoSmithKline, Merck, and Boehringer Ingelheim, etc.), and biotechnology ...

journal_title：ACS medicinal chemistry letters

authors： Gao H,Sun X,Rao Y

更新日期：2020-03-12 00:00:00

abstract：:Using a multiplexed, reporter gene-based, high-throughput screen, we identified 9-fluoro-7-hydroxy-3-methyl-5-oxo-N-(pyridin-3-ylmethyl)-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-6-carboxamide as a TLR2 agonist. Preliminary structure-activity relationship studies on the carboxamide moiety led to the identification o...

journal_title：ACS medicinal chemistry letters

authors： Hu Z,Banothu J,Beesu M,Gustafson CJ,Brush MJH,Trautman KL,Salyer ACD,Pathakumari B,David SA

更新日期：2018-12-20 00:00:00

abstract：:Herein, we report the structure-activity relationships within a series of mGlu7 PAMs based on a pyrazolo[1,5-a]pyrimidine core with excellent CNS penetration (Kps > 1 and Kp,uus > 1). Analogues in this series proved to display a range of Group III mGlu receptor selectivity, but VU6005649 emerged as the first dual mGlu...

journal_title：ACS medicinal chemistry letters

authors： Abe M,Seto M,Gogliotti RG,Loch MT,Bollinger KA,Chang S,Engelberg EM,Luscombe VB,Harp JM,Bubser M,Engers DW,Jones CK,Rodriguez AL,Blobaum AL,Conn PJ,Niswender CM,Lindsley CW

更新日期：2017-09-01 00:00:00