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Pseudo-Cholinesterase in Rat Erythrocytes Basis of Its Substrate Ratio, It Is Possible That It May Be a Butyro-Cholinesterase
No. 4535 September 29, 1956 NATURE 697 Pseudo-cholinesterase in Rat Erythrocytes basis of its substrate ratio, it is possible that it may be a butyro-cholinesterase. .ALTHOUGH there are many references in the literature to the existence of different types of cholin D.R. DAVIES esterase in mammalian sera1, it is generally believed J. P. RUTLAND 2 that human red cells contain only one type • Further more, we can find no evidence in the literature for Chemical Defence Experimental Establishment the existence of a pseudo-cholinesterase in any (Ministry of Supply), mammalian erythrocytes, although many workers Porton, Salisbury. have stated that benzoylcholine is hydrolysed by May 3. red cells. Since, however, the rate of hydrolysis is 1 Mundell, D. B., Nature, 153, 557 (1944). Ellis, S., Sanders, S., and slow, this breakdown of a substrate formerly presumed Bodansky, 0., J. Pharmacol., 91, 225 (1947). Levine M G and Suran, A. A., Enzymologia, 15, 17 (1951). ' · ., to be specific for pseudo-cholinesterase has been 'Mendell, B., Mundell, D. B., and Rudney, H., Biochem. J. 37 473 attributed to true cholinesterase. Indeed, Adams3 (1943). ' ' has shown that purified true cholinesterase does • Adams, D. H., Bwchim. Biophys. Acta, ~. 1 (1949). hydrolyse benzoylcholine, at a rate which would • Fraser, P. ~-, ti:,esis, University of Birmingham (1951), and private commumcat10n (1956). account for such observations. In spite of this, • Aldridge, W. N., Biochem. J., 53, 62 (1953). Austin, L., and Berry some results obtained by Fraser with benzoylcholine• W. K., Bwchem. J., 54, 695 (1953). ' imply the existence of more than one type of cholin 'Bayliss, B. -
Characterisation of the Α1b-Adrenoceptor by Modeling, Dynamics and Virtual Screening Kapil Jain B.Pharm, M.S.(Pharm.)
Characterisation of the α1B-Adrenoceptor by Modeling, Dynamics and Virtual Screening Kapil Jain B.Pharm, M.S.(Pharm.) A Thesis submitted for the degree of Master of Philosophy at The University of Queensland in 2018 Institute for Molecular Bioscience 0 Abstract G protein-coupled receptors (GPCRs) are the largest druggable class of proteins yet relatively little is known about the mechanism by which agonist binding induces the conformational changes necessary for G protein activation and intracellular signaling. Recently, the Kobilka group has shown that agonists, neutral antagonists and inverse agonists stabilise distinct extracellular surface (ECS) conformations of the β2-adrenergic receptor (AR) opening up new possibilities for allosteric drug targeting at GPCRs. The goal of this project is to extend these studies to define how the ECS conformation of the α1B-AR changes during agonist binding and develop an understanding of ligand entry and exit mechanisms that may help in the design of specific ligands with higher selectivity, efficacy and longer duration of action. Two parallel approaches were initiated to identify likely functional residues. The role of residues lining the primary binding site were predicted by online web server (Q-Site Finder) while secondary binding sites residues were predicted from molecular dynamics (MD) simulations. Predicted functionally significant residues were mutated and their function was established using FLIPR, radioligand and saturation binding assays. Despite the α1B-AR being pursued as a drug target for over last few decades, few specific agonists and antagonists are known to date. In an attempt to address this gap, we pursued ligand-based approach to find potential new leads. -
Aldrich FT-IR Collection Edition I Library
Aldrich FT-IR Collection Edition I Library Library Listing – 10,505 spectra This library is the original FT-IR spectral collection from Aldrich. It includes a wide variety of pure chemical compounds found in the Aldrich Handbook of Fine Chemicals. The Aldrich Collection of FT-IR Spectra Edition I library contains spectra of 10,505 pure compounds and is a subset of the Aldrich Collection of FT-IR Spectra Edition II library. All spectra were acquired by Sigma-Aldrich Co. and were processed by Thermo Fisher Scientific. Eight smaller Aldrich Material Specific Sub-Libraries are also available. Aldrich FT-IR Collection Edition I Index Compound Name Index Compound Name 3515 ((1R)-(ENDO,ANTI))-(+)-3- 928 (+)-LIMONENE OXIDE, 97%, BROMOCAMPHOR-8- SULFONIC MIXTURE OF CIS AND TRANS ACID, AMMONIUM SALT 209 (+)-LONGIFOLENE, 98+% 1708 ((1R)-ENDO)-(+)-3- 2283 (+)-MURAMIC ACID HYDRATE, BROMOCAMPHOR, 98% 98% 3516 ((1S)-(ENDO,ANTI))-(-)-3- 2966 (+)-N,N'- BROMOCAMPHOR-8- SULFONIC DIALLYLTARTARDIAMIDE, 99+% ACID, AMMONIUM SALT 2976 (+)-N-ACETYLMURAMIC ACID, 644 ((1S)-ENDO)-(-)-BORNEOL, 99% 97% 9587 (+)-11ALPHA-HYDROXY-17ALPHA- 965 (+)-NOE-LACTOL DIMER, 99+% METHYLTESTOSTERONE 5127 (+)-P-BROMOTETRAMISOLE 9590 (+)-11ALPHA- OXALATE, 99% HYDROXYPROGESTERONE, 95% 661 (+)-P-MENTH-1-EN-9-OL, 97%, 9588 (+)-17-METHYLTESTOSTERONE, MIXTURE OF ISOMERS 99% 730 (+)-PERSEITOL 8681 (+)-2'-DEOXYURIDINE, 99+% 7913 (+)-PILOCARPINE 7591 (+)-2,3-O-ISOPROPYLIDENE-2,3- HYDROCHLORIDE, 99% DIHYDROXY- 1,4- 5844 (+)-RUTIN HYDRATE, 95% BIS(DIPHENYLPHOSPHINO)BUT 9571 (+)-STIGMASTANOL -
(12) United States Patent (10) Patent No.: US 9,498,481 B2 Rao Et Al
USOO9498481 B2 (12) United States Patent (10) Patent No.: US 9,498,481 B2 Rao et al. (45) Date of Patent: *Nov. 22, 2016 (54) CYCLOPROPYL MODULATORS OF P2Y12 WO WO95/26325 10, 1995 RECEPTOR WO WO99/O5142 2, 1999 WO WOOO/34283 6, 2000 WO WO O1/92262 12/2001 (71) Applicant: Apharaceuticals. Inc., La WO WO O1/922.63 12/2001 olla, CA (US) WO WO 2011/O17108 2, 2011 (72) Inventors: Tadimeti Rao, San Diego, CA (US); Chengzhi Zhang, San Diego, CA (US) OTHER PUBLICATIONS Drugs of the Future 32(10), 845-853 (2007).* (73) Assignee: Auspex Pharmaceuticals, Inc., LaJolla, Tantry et al. in Expert Opin. Invest. Drugs (2007) 16(2):225-229.* CA (US) Wallentin et al. in the New England Journal of Medicine, 361 (11), 1045-1057 (2009).* (*) Notice: Subject to any disclaimer, the term of this Husted et al. in The European Heart Journal 27, 1038-1047 (2006).* patent is extended or adjusted under 35 Auspex in www.businesswire.com/news/home/20081023005201/ U.S.C. 154(b) by Od en/Auspex-Pharmaceuticals-Announces-Positive-Results-Clinical M YW- (b) by ayS. Study (published: Oct. 23, 2008).* This patent is Subject to a terminal dis- Concert In www.concertpharma. com/news/ claimer ConcertPresentsPreclinicalResultsNAMS.htm (published: Sep. 25. 2008).* Concert2 in Expert Rev. Anti Infect. Ther. 6(6), 782 (2008).* (21) Appl. No.: 14/977,056 Springthorpe et al. in Bioorganic & Medicinal Chemistry Letters 17. 6013-6018 (2007).* (22) Filed: Dec. 21, 2015 Leis et al. in Current Organic Chemistry 2, 131-144 (1998).* Angiolillo et al., Pharmacology of emerging novel platelet inhibi (65) Prior Publication Data tors, American Heart Journal, 2008, 156(2) Supp. -
Upregulation of Peroxisome Proliferator-Activated Receptor-Α And
Upregulation of peroxisome proliferator-activated receptor-α and the lipid metabolism pathway promotes carcinogenesis of ampullary cancer Chih-Yang Wang, Ying-Jui Chao, Yi-Ling Chen, Tzu-Wen Wang, Nam Nhut Phan, Hui-Ping Hsu, Yan-Shen Shan, Ming-Derg Lai 1 Supplementary Table 1. Demographics and clinical outcomes of five patients with ampullary cancer Time of Tumor Time to Age Differentia survival/ Sex Staging size Morphology Recurrence recurrence Condition (years) tion expired (cm) (months) (months) T2N0, 51 F 211 Polypoid Unknown No -- Survived 193 stage Ib T2N0, 2.41.5 58 F Mixed Good Yes 14 Expired 17 stage Ib 0.6 T3N0, 4.53.5 68 M Polypoid Good No -- Survived 162 stage IIA 1.2 T3N0, 66 M 110.8 Ulcerative Good Yes 64 Expired 227 stage IIA T3N0, 60 M 21.81 Mixed Moderate Yes 5.6 Expired 16.7 stage IIA 2 Supplementary Table 2. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis of an ampullary cancer microarray using the Database for Annotation, Visualization and Integrated Discovery (DAVID). This table contains only pathways with p values that ranged 0.0001~0.05. KEGG Pathway p value Genes Pentose and 1.50E-04 UGT1A6, CRYL1, UGT1A8, AKR1B1, UGT2B11, UGT2A3, glucuronate UGT2B10, UGT2B7, XYLB interconversions Drug metabolism 1.63E-04 CYP3A4, XDH, UGT1A6, CYP3A5, CES2, CYP3A7, UGT1A8, NAT2, UGT2B11, DPYD, UGT2A3, UGT2B10, UGT2B7 Maturity-onset 2.43E-04 HNF1A, HNF4A, SLC2A2, PKLR, NEUROD1, HNF4G, diabetes of the PDX1, NR5A2, NKX2-2 young Starch and sucrose 6.03E-04 GBA3, UGT1A6, G6PC, UGT1A8, ENPP3, MGAM, SI, metabolism -
(12) Patent Application Publication (10) Pub. No.: US 2004/0224012 A1 Suvanprakorn Et Al
US 2004O224012A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2004/0224012 A1 Suvanprakorn et al. (43) Pub. Date: Nov. 11, 2004 (54) TOPICAL APPLICATION AND METHODS Related U.S. Application Data FOR ADMINISTRATION OF ACTIVE AGENTS USING LIPOSOME MACRO-BEADS (63) Continuation-in-part of application No. 10/264,205, filed on Oct. 3, 2002. (76) Inventors: Pichit Suvanprakorn, Bangkok (TH); (60) Provisional application No. 60/327,643, filed on Oct. Tanusin Ploysangam, Bangkok (TH); 5, 2001. Lerson Tanasugarn, Bangkok (TH); Suwalee Chandrkrachang, Bangkok Publication Classification (TH); Nardo Zaias, Miami Beach, FL (US) (51) Int. CI.7. A61K 9/127; A61K 9/14 (52) U.S. Cl. ............................................ 424/450; 424/489 Correspondence Address: (57) ABSTRACT Eric G. Masamori 6520 Ridgewood Drive A topical application and methods for administration of Castro Valley, CA 94.552 (US) active agents encapsulated within non-permeable macro beads to enable a wider range of delivery vehicles, to provide longer product shelf-life, to allow multiple active (21) Appl. No.: 10/864,149 agents within the composition, to allow the controlled use of the active agents, to provide protected and designable release features and to provide visual inspection for damage (22) Filed: Jun. 9, 2004 and inconsistency. US 2004/0224012 A1 Nov. 11, 2004 TOPCAL APPLICATION AND METHODS FOR 0006 Various limitations on the shelf-life and use of ADMINISTRATION OF ACTIVE AGENTS USING liposome compounds exist due to the relatively fragile LPOSOME MACRO-BEADS nature of liposomes. Major problems encountered during liposome drug Storage in vesicular Suspension are the chemi CROSS REFERENCE TO OTHER cal alterations of the lipoSome compounds, Such as phos APPLICATIONS pholipids, cholesterols, ceramides, leading to potentially toxic degradation of the products, leakage of the drug from 0001) This application claims the benefit of U.S. -
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BASIC RESEARCH www.jasn.org A High-Throughput Screen Identifies DYRK1A Inhibitor ID-8 that Stimulates Human Kidney Tubular Epithelial Cell Proliferation Maria B. Monteiro,1 Susanne Ramm,1,2 Vidya Chandrasekaran,1 Sarah A. Boswell,1 Elijah J. Weber,3 Kevin A. Lidberg,3 Edward J. Kelly,3 and Vishal S. Vaidya1,2,4 1Harvard Program in Therapeutic Science, Harvard Medical School Laboratory of Systems Pharmacology, Boston, Massachusetts; 2Renal Division, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts; 3Department of Pharmaceutics, University of Washington, Seattle, Washington; and 4Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts ABSTRACT Background The death of epithelial cells in the proximal tubules is thought to be the primary cause of AKI, but epithelial cells that survive kidney injury have a remarkable ability to proliferate. Because proximal tubular epithelial cells play a predominant role in kidney regeneration after damage, a potential approach to treat AKI is to discover regenerative therapeutics capable of stimulating proliferation of these cells. Methods We conducted a high-throughput phenotypic screen using 1902 biologically active compounds to identify new molecules that promote proliferation of primary human proximal tubular epithelial cells in vitro. Results The primary screen identified 129 compounds that stimulated tubular epithelial cell proliferation. A secondary screen against these compounds over a range of four doses confirmed that eight resulted in a significant increase in cell number and incorporation of the modified thymidine analog EdU (indicating actively proliferating cells), compared with control conditions. These eight compounds also stimulated tubular cell proliferation in vitro after damage induced by hypoxia, cadmium chloride, cyclosporin A, or polymyxin B. -
Crystal Structure Analysis of Ethyl 6-(4-Methoxyphenyl)-1-Methyl-4-Methyl- Sulfanyl-3-Phenyl-1H-Pyrazolo[3,4-B]Pyridine-5-Carboxylate
research communications Crystal structure analysis of ethyl 6-(4-methoxy- phenyl)-1-methyl-4-methylsulfanyl-3-phenyl-1H- pyrazolo[3,4-b]pyridine-5-carboxylate ISSN 2056-9890 H. Surya Prakash Rao,a,b* Ramalingam Gunasundarib and Jayaraman Muthukumaranc‡ Received 4 June 2020 aDepartment of Chemistry and Biochemistry, School of Basic Sciences and Research, Sharda University, Greater Noida Accepted 30 June 2020 201306, India, bDepartment of Chemistry, Pondicherry University, Puducherry 605 014, India, and cDepartment of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida 201306, India. *Correspon- dence e-mail: [email protected] Edited by D. Chopra, Indian Institute of Science Education and Research Bhopal, India In the title compound, C24H23N3O3S, the dihedral angle between the fused ‡ Additional correspondence author, e-mail: pyrazole and pyridine rings is 1.76 (7) . The benzene and methoxy phenyl rings [email protected]. make dihedral angles of 44.8 (5) and 63.86 (5) , respectively, with the pyrazolo[3,4-b] pyridine moiety. An intramolecular short SÁÁÁO contact Keywords: crystal structure; pyrazolopyridine; [3.215 (2) A˚ ] is observed. The crystal packing features C—HÁÁÁ interactions. pyrazolo[3,4-b]pyridine; C—HÁÁÁ interactions. CCDC reference: 2005976 Supporting information: this article has 1. Chemical context supporting information at journals.iucr.org/e Pyrazolopyridines, in which a group of three nitrogen atoms is incorporated into a bicyclic heterocycle, are privileged medicinal scaffolds, often utilized in drug design and discovery regimes (Kumar et al., 2019). Owing to the possibilities of the easy synthesis of a literally unlimited number of a combina- torial library of small organic molecules with a pyrazolo- pyridine scaffold, there has been enormous interest in these molecules among medicinal chemists (Kumar et al. -
GABA Receptors
D Reviews • BIOTREND Reviews • BIOTREND Reviews • BIOTREND Reviews • BIOTREND Reviews Review No.7 / 1-2011 GABA receptors Wolfgang Froestl , CNS & Chemistry Expert, AC Immune SA, PSE Building B - EPFL, CH-1015 Lausanne, Phone: +41 21 693 91 43, FAX: +41 21 693 91 20, E-mail: [email protected] GABA Activation of the GABA A receptor leads to an influx of chloride GABA ( -aminobutyric acid; Figure 1) is the most important and ions and to a hyperpolarization of the membrane. 16 subunits with γ most abundant inhibitory neurotransmitter in the mammalian molecular weights between 50 and 65 kD have been identified brain 1,2 , where it was first discovered in 1950 3-5 . It is a small achiral so far, 6 subunits, 3 subunits, 3 subunits, and the , , α β γ δ ε θ molecule with molecular weight of 103 g/mol and high water solu - and subunits 8,9 . π bility. At 25°C one gram of water can dissolve 1.3 grams of GABA. 2 Such a hydrophilic molecule (log P = -2.13, PSA = 63.3 Å ) cannot In the meantime all GABA A receptor binding sites have been eluci - cross the blood brain barrier. It is produced in the brain by decarb- dated in great detail. The GABA site is located at the interface oxylation of L-glutamic acid by the enzyme glutamic acid decarb- between and subunits. Benzodiazepines interact with subunit α β oxylase (GAD, EC 4.1.1.15). It is a neutral amino acid with pK = combinations ( ) ( ) , which is the most abundant combi - 1 α1 2 β2 2 γ2 4.23 and pK = 10.43. -
M100907, a Serotonin 5-HT2A Receptor Antagonist and Putative Antipsychotic, Blocks Dizocilpine-Induced Prepulse Inhibition Defic
M100907, a Serotonin 5-HT2A Receptor Antagonist and Putative Antipsychotic, Blocks Dizocilpine-Induced Prepulse Inhibition Deficits in Sprague–Dawley and Wistar Rats Geoffrey B. Varty, Ph.D., Vaishali P. Bakshi, Ph.D., and Mark A. Geyer, Ph.D. a In a recent study using Wistar rats, the serotonergic 5-HT2 1 receptor agonist cirazoline disrupts PPI. As risperidone a receptor antagonists ketanserin and risperidone reduced the and M100907 have affinity at the 1 receptor, a final study disruptive effects of the noncompetitive N-methyl-D- examined whether M100907 would block the effects of aspartate (NMDA) antagonist dizocilpine on prepulse cirazoline on PPI. Risperidone partially, but inhibition (PPI), suggesting that there is an interaction nonsignificantly, reduced the effects of dizocilpine in Wistar between serotonin and glutamate in the modulation of PPI. rats, although this effect was smaller than previously In contrast, studies using the noncompetitive NMDA reported. Consistent with previous studies, risperidone did antagonist phencyclidine (PCP) in Sprague–Dawley rats not alter the effects of dizocilpine in Sprague–Dawley rats. found no effect with 5-HT2 antagonists. To test the hypothesis Most importantly, M100907 pretreatment fully blocked the that strain differences might explain the discrepancy in effect of dizocilpine in both strains; whereas SDZ SER 082 these findings, risperidone was tested for its ability to had no effect. M100907 had no influence on PPI by itself reduce the PPI-disruptive effects of dizocilpine in Wistar and did not reduce the effects of cirazoline on PPI. These and Sprague–Dawley rats. Furthermore, to determine studies confirm the suggestion that serotonin and glutamate which serotonergic receptor subtype may mediate this effect, interact in modulating PPI and indicate that the 5-HT2A the 5-HT2A receptor antagonist M100907 (formerly MDL receptor subtype mediates this interaction. -
Zebrafish Behavioral Profiling Links Drugs to Biological Targets and Rest/Wake Regulation
www.sciencemag.org/cgi/content/full/327/5963/348/DC1 Supporting Online Material for Zebrafish Behavioral Profiling Links Drugs to Biological Targets and Rest/Wake Regulation Jason Rihel,* David A. Prober, Anthony Arvanites, Kelvin Lam, Steven Zimmerman, Sumin Jang, Stephen J. Haggarty, David Kokel, Lee L. Rubin, Randall T. Peterson, Alexander F. Schier* *To whom correspondence should be addressed. E-mail: [email protected] (A.F.S.); [email protected] (J.R.) Published 15 January 2010, Science 327, 348 (2010) DOI: 10.1126/science.1183090 This PDF file includes: Materials and Methods SOM Text Figs. S1 to S18 Table S1 References Supporting Online Material Table of Contents Materials and Methods, pages 2-4 Supplemental Text 1-7, pages 5-10 Text 1. Psychotropic Drug Discovery, page 5 Text 2. Dose, pages 5-6 Text 3. Therapeutic Classes of Drugs Induce Correlated Behaviors, page 6 Text 4. Polypharmacology, pages 6-7 Text 5. Pharmacological Conservation, pages 7-9 Text 6. Non-overlapping Regulation of Rest/Wake States, page 9 Text 7. High Throughput Behavioral Screening in Practice, page 10 Supplemental Figure Legends, pages 11-14 Figure S1. Expanded hierarchical clustering analysis, pages 15-18 Figure S2. Hierarchical and k-means clustering yield similar cluster architectures, page 19 Figure S3. Expanded k-means clustergram, pages 20-23 Figure S4. Behavioral fingerprints are stable across a range of doses, page 24 Figure S5. Compounds that share biological targets have highly correlated behavioral fingerprints, page 25 Figure S6. Examples of compounds that share biological targets and/or structural similarity that give similar behavioral profiles, page 26 Figure S7. -
)&F1y3x PHARMACEUTICAL APPENDIX to THE
)&f1y3X PHARMACEUTICAL APPENDIX TO THE HARMONIZED TARIFF SCHEDULE )&f1y3X PHARMACEUTICAL APPENDIX TO THE TARIFF SCHEDULE 3 Table 1. This table enumerates products described by International Non-proprietary Names (INN) which shall be entered free of duty under general note 13 to the tariff schedule. The Chemical Abstracts Service (CAS) registry numbers also set forth in this table are included to assist in the identification of the products concerned. For purposes of the tariff schedule, any references to a product enumerated in this table includes such product by whatever name known. Product CAS No. Product CAS No. ABAMECTIN 65195-55-3 ACTODIGIN 36983-69-4 ABANOQUIL 90402-40-7 ADAFENOXATE 82168-26-1 ABCIXIMAB 143653-53-6 ADAMEXINE 54785-02-3 ABECARNIL 111841-85-1 ADAPALENE 106685-40-9 ABITESARTAN 137882-98-5 ADAPROLOL 101479-70-3 ABLUKAST 96566-25-5 ADATANSERIN 127266-56-2 ABUNIDAZOLE 91017-58-2 ADEFOVIR 106941-25-7 ACADESINE 2627-69-2 ADELMIDROL 1675-66-7 ACAMPROSATE 77337-76-9 ADEMETIONINE 17176-17-9 ACAPRAZINE 55485-20-6 ADENOSINE PHOSPHATE 61-19-8 ACARBOSE 56180-94-0 ADIBENDAN 100510-33-6 ACEBROCHOL 514-50-1 ADICILLIN 525-94-0 ACEBURIC ACID 26976-72-7 ADIMOLOL 78459-19-5 ACEBUTOLOL 37517-30-9 ADINAZOLAM 37115-32-5 ACECAINIDE 32795-44-1 ADIPHENINE 64-95-9 ACECARBROMAL 77-66-7 ADIPIODONE 606-17-7 ACECLIDINE 827-61-2 ADITEREN 56066-19-4 ACECLOFENAC 89796-99-6 ADITOPRIM 56066-63-8 ACEDAPSONE 77-46-3 ADOSOPINE 88124-26-9 ACEDIASULFONE SODIUM 127-60-6 ADOZELESIN 110314-48-2 ACEDOBEN 556-08-1 ADRAFINIL 63547-13-7 ACEFLURANOL 80595-73-9 ADRENALONE