Iarc Monographs on the Evaluation of Carcinogenic Risks to Humans
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Amplification of Oxidative Stress by a Dual Stimuli-Responsive Hybrid Drug
ARTICLE Received 11 Jul 2014 | Accepted 12 Mar 2015 | Published 20 Apr 2015 DOI: 10.1038/ncomms7907 Amplification of oxidative stress by a dual stimuli-responsive hybrid drug enhances cancer cell death Joungyoun Noh1, Byeongsu Kwon2, Eunji Han2, Minhyung Park2, Wonseok Yang2, Wooram Cho2, Wooyoung Yoo2, Gilson Khang1,2 & Dongwon Lee1,2 Cancer cells, compared with normal cells, are under oxidative stress associated with the increased generation of reactive oxygen species (ROS) including H2O2 and are also susceptible to further ROS insults. Cancer cells adapt to oxidative stress by upregulating antioxidant systems such as glutathione to counteract the damaging effects of ROS. Therefore, the elevation of oxidative stress preferentially in cancer cells by depleting glutathione or generating ROS is a logical therapeutic strategy for the development of anticancer drugs. Here we report a dual stimuli-responsive hybrid anticancer drug QCA, which can be activated by H2O2 and acidic pH to release glutathione-scavenging quinone methide and ROS-generating cinnamaldehyde, respectively, in cancer cells. Quinone methide and cinnamaldehyde act in a synergistic manner to amplify oxidative stress, leading to preferential killing of cancer cells in vitro and in vivo. We therefore anticipate that QCA has promising potential as an anticancer therapeutic agent. 1 Department of Polymer Á Nano Science and Technology, Polymer Fusion Research Center, Chonbuk National University, Backje-daero 567, Jeonju 561-756, Korea. 2 Department of BIN Convergence Technology, Chonbuk National University, Backje-daero 567, Jeonju 561-756, Korea. Correspondence and requests for materials should be addressed to D.L. (email: [email protected]). NATURE COMMUNICATIONS | 6:6907 | DOI: 10.1038/ncomms7907 | www.nature.com/naturecommunications 1 & 2015 Macmillan Publishers Limited. -
Cinnamaldehyde Induces Release of Cholecystokinin and Glucagon-Like
animals Article Cinnamaldehyde Induces Release of Cholecystokinin and Glucagon-Like Peptide 1 by Interacting with Transient Receptor Potential Ankyrin 1 in a Porcine Ex-Vivo Intestinal Segment Model Elout Van Liefferinge 1,* , Maximiliano Müller 2, Noémie Van Noten 1 , Jeroen Degroote 1 , Shahram Niknafs 2, Eugeni Roura 2 and Joris Michiels 1 1 Laboratory for Animal Nutrition and Animal Product Quality (LANUPRO), Department of Animal Sciences and Aquatic Ecology, Ghent University, 9000 Ghent, Belgium; [email protected] (N.V.N.); [email protected] (J.D.); [email protected] (J.M.) 2 Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia, QLD 4072, Australia; [email protected] (M.M.); [email protected] (S.N.); [email protected] (E.R.) * Correspondence: [email protected] Simple Summary: The gut is able to “sense” nutrients and release gut hormones to regulate diges- tive processes. Accordingly, various gastrointestinal cell types possess transient receptor potential channels, cation channels involved in somatosensation, thermoregulation and the sensing of pungent and spicy substances. Recent research shows that both channels are expressed in enteroendocrine Citation: Van Liefferinge, E.; Müller, M.; Van Noten, N.; Degroote, J.; cell types responsible for the release of gut peptide hormones such as Cholecystokinin (CCK) and Niknafs, S.; Roura, E.; Michiels, J. Glucagon-like Peptide-1 (GLP-1). A large array of herbal compounds, used in pig nutrition mostly for Cinnamaldehyde Induces Release of their antibacterial and antioxidant properties, are able to activate these channels. Cinnamaldehyde, Cholecystokinin and Glucagon-Like occurring in the bark of cinnamon trees, acts as an agonist of Transient Receptor Potential Ankyrin 1 Peptide 1 by Interacting with (TRPA1)-channel. -
Zn-Nx Sites on N-Doped Carbon for Aerobic Oxidative Cleavage
ARTICLE https://doi.org/10.1038/s41467-021-25118-0 OPEN Zn-Nx sites on N-doped carbon for aerobic oxidative cleavage and esterification of C(CO)-C bonds ✉ ✉ Chao Xie1, Longfei Lin 2, Liang Huang 3, Zixin Wang1, Zhiwei Jiang 1, Zehui Zhang1 & Buxing Han 2 Selective cleavage of C-C bonds is very important in organic chemistry, but remains chal- lenging because of their inert chemical nature. Herein, we report that Zn/NC-X catalysts, in 1234567890():,; which Zn2+ coordinate with N species on microporous N-doped carbon (NC) and X denotes the pyrolysis temperature, can effectively catalyze aerobic oxidative cleavage of C(CO)-C bonds and quantitatively convert acetophenone to methyl benzoate with a yield of 99% at 100 °C. The Zn/NC-950 can be applied for a wide scope of acetophenone derivatives as well as more challenging alkyl ketones. Detail mechanistic investigations reveal that the catalytic performance of Zn/NC-950 can be attributed to the coordination between Zn2+ and N species to change the electronic state of the metal, synergetic effect of the Zn single sites with their surrounding N atoms, as well as the microporous structure with the high surface area and structural defects of the NC. 1 Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South- Central University for Nationalities, Wuhan, China. 2 Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China. 3 The State Key Laboratory of Refractories and Metallurgy, ✉ Wuhan University of Science and Technology, Wuhan, China. -
Synthesis and Consecutive Reactions of Α-Azido Ketones: a Review
Molecules 2015, 20, 14699-14745; doi:10.3390/molecules200814699 OPEN ACCESS molecules ISSN 1420-3049 www.mdpi.com/journal/molecules Review Synthesis and Consecutive Reactions of α-Azido Ketones: A Review Sadia Faiz 1,†, Ameer Fawad Zahoor 1,*, Nasir Rasool 1,†, Muhammad Yousaf 1,†, Asim Mansha 1,†, Muhammad Zia-Ul-Haq 2,† and Hawa Z. E. Jaafar 3,* 1 Department of Chemistry, Government College University Faisalabad, Faisalabad-38000, Pakistan, E-Mails: [email protected] (S.F.); [email protected] (N.R.); [email protected] (M.Y.); [email protected] (A.M.) 2 Office of Research, Innovation and Commercialization, Lahore College for Women University, Lahore-54600, Pakistan; E-Mail: [email protected] 3 Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang-43400, Selangor, Malaysia † These authors contributed equally to this work. * Authors to whom correspondence should be addressed; E-Mails: [email protected] (A.F.Z.); [email protected] (H.Z.E.J.); Tel.: +92-333-6729186 (A.F.Z.); Fax: +92-41-9201032 (A.F.Z.). Academic Editors: Richard A. Bunce, Philippe Belmont and Wim Dehaen Received: 20 April 2015 / Accepted: 3 June 2015 / Published: 13 August 2015 Abstract: This review paper covers the major synthetic approaches attempted towards the synthesis of α-azido ketones, as well as the synthetic applications/consecutive reactions of α-azido ketones. Keywords: α-azido ketones; synthetic applications; heterocycles; click reactions; drugs; azides 1. Introduction α-Azido ketones are very versatile and valuable synthetic intermediates, known for their wide variety of applications, such as in amine, imine, oxazole, pyrazole, triazole, pyrimidine, pyrazine, and amide alkaloid formation, etc. -
Carboligation Using the Aldol Reaction
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 1730 Carboligation using the aldol reaction A comparison of stereoselectivity and methods DERAR AL-SMADI ACTA UNIVERSITATIS UPSALIENSIS ISSN 1651-6214 ISBN 978-91-513-0472-4 UPPSALA urn:nbn:se:uu:diva-362866 2018 Dissertation presented at Uppsala University to be publicly examined in BMC C2:301, Husargatan 3, Uppsala, Friday, 30 November 2018 at 09:15 for the degree of Doctor of Philosophy. The examination will be conducted in English. Faculty examiner: Professor Ulf Nilsson (Lund University). Abstract Al-Smadi, D. 2018. Carboligation using the aldol reaction. A comparison of stereoselectivity and methods. Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 1730. 50 pp. Uppsala: Acta Universitatis Upsaliensis. ISBN 978-91-513-0472-4. The research summarized in this thesis focuses on synthesizing aldehyde and aldol compounds as substrates and products for the enzyme D-fructose-6-aldolase (FSA). Aldolases are important enzymes for the formation of carbon-carbon bonds in nature. In biological systems, aldol reactions, both cleavage and formation play central roles in sugar metabolism. Aldolases exhibit high degrees of stereoselectivity and can steer the product configurations to a given enantiomeric and diastereomeric form. To become truly useful synthetic tools, the substrate scope of these enzymes needs to become broadened. In the first project, phenylacetaldehyde derivatives were synthesized for the use as test substrates for E. coli FSA. Different methods were discussed to prepare phenylacetaldehyde derivatives, the addition of a one carbon unit to benzaldehyde derivatives using a homologation reaction was successful and was proven efficient and non-sensitive to the moisture. -
Trpa1) Activity by Cdk5
MODULATION OF TRANSIENT RECEPTOR POTENTIAL CATION CHANNEL, SUBFAMILY A, MEMBER 1 (TRPA1) ACTIVITY BY CDK5 A dissertation submitted to Kent State University in partial fulfillment of the requirements for the degree of Doctor of Philosophy by Michael A. Sulak December 2011 Dissertation written by Michael A. Sulak B.S., Cleveland State University, 2002 Ph.D., Kent State University, 2011 Approved by _________________, Chair, Doctoral Dissertation Committee Dr. Derek S. Damron _________________, Member, Doctoral Dissertation Committee Dr. Robert V. Dorman _________________, Member, Doctoral Dissertation Committee Dr. Ernest J. Freeman _________________, Member, Doctoral Dissertation Committee Dr. Ian N. Bratz _________________, Graduate Faculty Representative Dr. Bansidhar Datta Accepted by _________________, Director, School of Biomedical Sciences Dr. Robert V. Dorman _________________, Dean, College of Arts and Sciences Dr. John R. D. Stalvey ii TABLE OF CONTENTS LIST OF FIGURES ............................................................................................... iv LIST OF TABLES ............................................................................................... vi DEDICATION ...................................................................................................... vii ACKNOWLEDGEMENTS .................................................................................. viii CHAPTER 1: Introduction .................................................................................. 1 Hypothesis and Project Rationale -
Chemical Tools for the Synthesis and Analysis of Glycans Thamrongsak Cheewawisuttichai [email protected]
The University of Maine DigitalCommons@UMaine Electronic Theses and Dissertations Fogler Library 8-2019 Chemical Tools for the Synthesis and Analysis of Glycans Thamrongsak Cheewawisuttichai [email protected] Follow this and additional works at: https://digitalcommons.library.umaine.edu/etd Recommended Citation Cheewawisuttichai, Thamrongsak, "Chemical Tools for the Synthesis and Analysis of Glycans" (2019). Electronic Theses and Dissertations. 3058. https://digitalcommons.library.umaine.edu/etd/3058 This Open-Access Thesis is brought to you for free and open access by DigitalCommons@UMaine. It has been accepted for inclusion in Electronic Theses and Dissertations by an authorized administrator of DigitalCommons@UMaine. For more information, please contact [email protected]. CHEMICAL TOOLS FOR THE SYNTHESIS AND ANALYSIS OF GLYCANS By Thamrongsak Cheewawisuttichai B.S. Chulalongkorn University, 2012 A DISSERTATION Submitted in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy (in Chemistry) The Graduate School The University of Maine August 2019 Advisory Committee: Matthew Brichacek, Assistant Professor of Chemistry, Advisor Alice E. Bruce, Professor of Chemistry Barbara J.W. Cole, Professor of Chemistry Raymond C. Fort, Jr., Professor of Chemistry William M. Gramlich, Associate Professor of Chemistry Copyright 2019 Thamrongsak Cheewawisuttichai ii CHEMICAL TOOLS FOR THE SYNTHESIS AND ANALYSIS OF GLYCANS By Thamrongsak Cheewawisuttichai Dissertation Advisor: Dr. Matthew Brichacek An Abstract of the Dissertation Presented in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy (in Chemistry) August 2019 Glycans can be found in every living organism from plants to bacteria and viruses to human. It has been known that glycans are involved in many biological processes such as structural roles, specific recognition with glycan-binding proteins, and host-pathogen recognitions. -
(12) United States Patent (10) Patent No.: US 9,018,217 B2 Ritzen Et Al
US009018217B2 (12) United States Patent (10) Patent No.: US 9,018,217 B2 Ritzen et al. (45) Date of Patent: Apr. 28, 2015 (54) PHENY LIMIDAZOLE DERIVATIVES AS 8,841,297 B2 9/2014 Ritzen et al. PDE10A ENZYME INHIBITORS 2008/0090891 A1 4/2008 Zelle 2012/0135987 A1 5, 2012 Ritzen et al. (71) Applicant: H. Lundbeck A/S, Valby-Copenhagen (DK) FOREIGN PATENT DOCUMENTS TW 2007/036246 A 10/2007 (72) Inventors: Andreas Ritzen, Copenhagen V. (DK); WO 2004/005290 A1 1, 2004 Morten Langgard, Glostrup (DK); Jan WO 2005/003129 A1 1, 2005 Kehler, Lyngby (DK); Jacob Nielsen, WO 2005/082883 A2 9, 2005 WO 2006/070284 A1 T 2006 Copenhagen V. (DK); John Paul WO 2007/077490 A2 7/2007 Kilburn, Haslev (DK); Mohamed M. WO 2007/098169 A1 8, 2007 Farah, Birmingham (GB) WO 2008.001182 A1 1, 2008 WO 2009/023179 A2 2, 2009 (73) Assignee: H. Lundbeck A/S, Valby (DK) WO 2010, 145668 12/2010 (*) Notice: Subject to any disclaimer, the term of this OTHER PUBLICATIONS patent is extended or adjusted under 35 Taiwan Examination report issued Jan. 13, 2014 in TW Application U.S.C. 154(b) by 0 days. No. 0981 19876 filed Jun. 15, 2009. International Search Report and Written Opinion issued Jul. 27, 2010 (21) Appl. No.: 14/488,554 for International Application No. PCT? DK2010/050 147 filed Jun. 17, 2010. (22) Filed: Sep. 17, 2014 Geyer et al., 2002, "Animal Models Relevant to Schizophrenia Dis orders'. Neuropsychopharmacology: The Fifth Generation of (65) Prior Publication Data Progress, pp. -
United States Patent Office Patented Dec
3,293,045 United States Patent Office Patented Dec. 20, 1966 2 vide wintergreen-flavored candies which contain as their 3,293,045 main flavoring ingredient wintergreen oil in lower mini INCREASING THE FLAVOR STRENGTH OF ANE THOLE, CENNAMALDEHYDE AND METHY mum effective levels than have previously been employed. SALICYLATE WITH MALTOL These and other objects are readily achieved through Joan M. Griffin, Forest Hills, N.Y., assignor to Chas. use of the compositions of the instant invention which are, Pfizer & Co., Inc., New York, N.Y., a corporation of in essence: A flavoring composition comprising an agent Delaware Selected from the group consisting of anethole, cinna No Drawing. Filed Oct. 18, 1963, Ser. No. 317,126 maldehyde and methyl salicylate and from about 15% 3 Claims. (C. 99-134) to about 100% by weight thereof of maltol. The instant invention contemplates the use of both This application relates to new and novel flavoring O natural and Synthetic anise, cinnamon and wintergreen compositions. More particularly, it concerns composi oils. It contemplates their use in the form of pure oils tions comprising aromatic flavoring ingredients together or blends of pure oils prepared either synthetically, being with maltol, a gamma-pyrone. There are also contem obtained by chemical reaction and distillation or, natural plated foods, beverages, candy and tablets, syrups, medi 5 ly, being obtained by extraction from the plant material cinal oils, pill and tablet coatings and troches containing from which the Subject oils have been classically isolated. these flavoring compositions. Generally speaking, the natural oils will, as described Among the most useful items of commerce are natural hereinafter, comprise predominantly one chemical entity and Synthetic flavors of the type represented by anise, together with isomers of this entity and minor amounts cinnamon and wintergreen. -
Method TO-11A
EPA/625/R-96/010b Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air Second Edition Compendium Method TO-11A Determination of Formaldehyde in Ambient Air Using Adsorbent Cartridge Followed by High Performance Liquid Chromatography (HPLC) [Active Sampling Methodology] Center for Environmental Research Information Office of Research and Development U.S. Environmental Protection Agency Cincinnati, OH 45268 January 1999 Method TO-11A Acknowledgements This Method was prepared for publication in the Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air, Second Edition (EPA/625/R-96/010b), which was prepared under Contract No. 68-C3-0315, WA No. 3-10, by Midwest Research Institute (MRI), as a subcontractor to Eastern Research Group, Inc. (ERG), and under the sponsorship of the U.S. Environmental Protection Agency (EPA). Justice A. Manning, John O. Burckle, and Scott Hedges, Center for Environmental Research Information (CERI), and Frank F. McElroy, National Exposure Research Laboratory (NERL), all in the EPA Office of Research and Development, were responsible for overseeing the preparation of this method. Additional support was provided by other members of the Compendia Workgroup, which include: • John O. Burckle, U.S. EPA, ORD, Cincinnati, OH • James L. Cheney, Corps of Engineers, Omaha, NB • Michael Davis, U.S. EPA, Region 7, KC, KS • Joseph B. Elkins Jr., U.S. EPA, OAQPS, RTP, NC • Robert G. Lewis, U.S. EPA, NERL, RTP, NC • Justice A. Manning, U.S. EPA, ORD, Cincinnati, OH • William A. McClenny, U.S. EPA, NERL, RTP, NC • Frank F. McElroy, U.S. EPA, NERL, RTP, NC • Heidi Schultz, ERG, Lexington, MA • William T. -
Multiple Dietary Supplements Do Not Affect Metabolic and Cardio-Vascular Health Andreea Soare Washington University School of Medicine in St
Washington University School of Medicine Digital Commons@Becker Open Access Publications 2014 Multiple dietary supplements do not affect metabolic and cardio-vascular health Andreea Soare Washington University School of Medicine in St. Louis Edward P. Weiss Washington University School of Medicine in St. Louis John O. Holloszy Washington University School of Medicine in St. Louis Luigi Fontana Washington University School of Medicine in St. Louis Follow this and additional works at: https://digitalcommons.wustl.edu/open_access_pubs Recommended Citation Soare, Andreea; Weiss, Edward P.; Holloszy, John O.; and Fontana, Luigi, ,"Multiple dietary supplements do not affect metabolic and cardio-vascular health." Aging.6,2. 149-157. (2014). https://digitalcommons.wustl.edu/open_access_pubs/2607 This Open Access Publication is brought to you for free and open access by Digital Commons@Becker. It has been accepted for inclusion in Open Access Publications by an authorized administrator of Digital Commons@Becker. For more information, please contact [email protected]. www.impactaging.com AGING, February 2014, Vol. 6, No 2 Research Paper Multiple dietary supplements do not affect metabolic and cardio‐ vascular health Andreea Soare1,2*, Edward P. Weiss1,3*, John O. Holloszy 1, and Luigi Fontana1,4,5 1 Division of Geriatrics and Nutritional Sciences, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63130, USA 2 Department of Endocrinology and Diabetes, University Campus Bio‐Medico, Rome, Italy 3 Department of Nutrition and Dietetics, St. Louis University, St. Louis, MO 63130, USA 4 Department of Medicine, Salerno University School of Medicine, Salerno, Italy 5 CEINGE Biotecnologie Avanzate, Napoli, Italy * These authors contributed equally to this research Key words: supplements, endothelial function, arterial stiffness, inflammation, oxidative stress Received: 8/12/13; Accepted: 8/31/13; Published: 9/4/13 Correspondence to: Luigi Fontana, MD/PhD; E‐mail: [email protected] Copyright: © Soare et al. -
Metabolite Standards Detected by UHPLC-HRMS
Metabolite standards detected by UHPLC-HRMS #ID NAME 1 - 1,2-DIDECANOYL-SN-GLYCERO-3-PHOSPHOCHOLINE 2 - 10-HYDROXYDECANOATE 3 - 1-HYDROXY-2-NAPHTHOATE 4 - 2,4-DIHYDROXYPTERIDINE 5 - 2,6-DIHYDROXYPYRIDINE 6 - 2-Sulfoaniline 7 - 3-AMINO-4-HYDROXYBENZOATE 8 - 3-AMINO-5-HYDROXYBENZOATE 9 - 3-Hydroxyphenyl acetate 10 - 3-METHYL-2-OXINDOLE 11 - 3-NITRO-L-TYROSINE 12 - 4-QUINOLINECARBOXYLATE 13 - 4-QUINOLINECARBOXYLIC ACID 14 - ANILINE-2-SULFONATE (2-SULFOANILINE) 15 - BIS(2-ETHYLHEXYL)PHTHALATE 16 - CORTISOL 21-ACETATE 17 - delta-Valerolactone 18 - DEOXYCORTICOSTERONE ACETATE 19 - DIDECANOYL-GLYCEROPHOSPHOCHOLINE 20 - D-MANNOSAMINE 21 - ETHYL 3-INDOLEACETATE 22 - GALACTOSAMINE 23 - GLUCOSAMINATE 24 - Hydrocortisone acetate 25 - Hydrocortisone acetate (CORTISOL 21-ACETATE) 26- LUMICHROME 27 - Methyl vallinic acid 28 - N6-(DELTA2-ISOPENTENYL)-ADENINE 29 - N-ACETYLPROLINE 30 - N-METHYLGLUTAMATE 31- PALATINOSE 32 - S-HEXYL-GLUTATHIONE 33 - SN-GLYCERO-3-PHOSPHOCHOLINE 34 - URACIL 5-CARBOXYLATE 35 HMDB0000001 1-METHYL-L-HISTIDINE 36 HMDB0000012 DEOXYURIDINE 37 HMDB0000014 DEOXYCYTIDINE 38 HMDB0000015 CORTEXOLONE 39 HMDB0000017 4-pyridoxic acid 40 HMDB0000020 p-hydroxyphenylacetic acid 41 HMDB0000022 3-METHOXYTYRAMINE 42 HMDB0000026 ureidopropionic acid 43 HMDB0000030 BIOTIN 44 HMDB0000033 CARNOSINE 45 HMDB0000034 ADENINE 46 HMDB0000036 Taurocholic acid (TCA) 47 HMDB0000038 DIHYDROBIOPTERIN 48 HMDB0000043 BETAINE 49 HMDB0000045 ADENOSINE MONOPHOSPHATE (AMP) Inselspital Printed on 30.05.2018 University Institute of Clinical Chemistry Page 1/9 Bern,