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Rostamighadi M, Kamelshahroudi A, Pitsitikas V, Jacobson KA, Salavati R. Pilot-Scale Screening of Clinically Approved Drugs to Identify Uridine Insertion/Deletion RNA Editing Inhibitors in Trypanosoma brucei. ACS Infect Dis 2024. [PMID: 39118542 DOI: 10.1021/acsinfecdis.4c00394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
RNA editing pathway is a validated target in kinetoplastid parasites (Trypanosoma brucei, Trypanosoma cruzi, and Leishmania spp.) that cause severe diseases in humans and livestock. An essential large protein complex, the editosome, mediates uridine insertion and deletion in RNA editing through a stepwise process. This study details the discovery of editosome inhibitors by screening a library of widely used human drugs using our previously developed in vitro biochemical Ribozyme Insertion Deletion Editing (RIDE) assay. Subsequent studies on the mode of action of the identified hits and hit expansion efforts unveiled compounds that interfere with RNA-editosome interactions and novel ligase inhibitors with IC50 values in the low micromolar range. Docking studies on the ligase demonstrated similar binding characteristics for ATP and our novel epigallocatechin gallate inhibitor. The inhibitors demonstrated potent trypanocidal activity and are promising candidates for drug repurposing due to their lack of cytotoxic effects. Further studies are necessary to validate these targets using more definitive gene-editing techniques and to enhance the safety profile.
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Affiliation(s)
- Mojtaba Rostamighadi
- Institute of Parasitology, McGill University, Ste. Anne de Bellevue, Quebec H9X 3 V9, Canada
| | - Arezou Kamelshahroudi
- Institute of Parasitology, McGill University, Ste. Anne de Bellevue, Quebec H9X 3 V9, Canada
| | - Vanessa Pitsitikas
- Institute of Parasitology, McGill University, Ste. Anne de Bellevue, Quebec H9X 3 V9, Canada
| | - Kenneth A Jacobson
- Molecular Recognition Section, Laboratory of Bioorganic Chemistry, NIDDK, National Institutes of Health, 9000, Rockville Pike, Bethesda, Maryland 20892, United States
| | - Reza Salavati
- Institute of Parasitology, McGill University, Ste. Anne de Bellevue, Quebec H9X 3 V9, Canada
- Department of Biochemistry, McGill University, Montreal H3G 1Y6, Quebec, Canada
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2
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Teixeira FC, Teixeira APS, Rangel CM. New triazinephosphonate dopants for Nafion proton exchange membranes (PEM). Beilstein J Org Chem 2024; 20:1623-1634. [PMID: 39076286 PMCID: PMC11285047 DOI: 10.3762/bjoc.20.145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Accepted: 07/05/2024] [Indexed: 07/31/2024] Open
Abstract
A new paradigm for energy is underway demanding decarbonized energy systems. Some of them rely on emerging electrochemical devices, crucial in hydrogen technologies, including fuel cells, CO2 and water electrolysers, whose applications and performances depend on key components such as their separators/ion-exchange membranes. The most studied and already commercialized Nafion membrane shows great chemical stability, but its water content limits its high proton conduction to a limited range of operating temperatures. Here, we report the synthesis of a new series of triazinephosphonate derivatives and their use as dopants in the preparation of new modified Nafion membranes. The triazinephosphonate derivatives were prepared by substitution of chlorine atoms in cyanuric chloride. Diverse conditions were used to obtain the trisubstituted (4-hydroxyphenyl)triazinephosphonate derivatives and the (4-aminophenyl)triazinephosphonate derivatives, but with these amino counterparts, only the disubstituted compounds were obtained. The new modified Nafion membranes were prepared by casting incorporation of the synthesized 1,3,5-triazinephosphonate (TPs) derivatives. The evaluation of the proton conduction properties of the new membranes and relative humidity (RH) conditions and at 60 °C, showed that they present higher proton conductivities than the prepared Nafion membrane and similar or better proton conductivities than commercial Nafion N115, in the same experimental conditions. The Nafion-doped membrane with compound TP2 with a 1.0 wt % loading showed the highest proton conductivity with 84 mS·cm-1.
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Affiliation(s)
- Fátima C Teixeira
- Laboratório Nacional de Energia e Geologia, I.P., Estrada do Paço do Lumiar, 22, 1649-038 Lisboa, Portugal,
| | - António P S Teixeira
- Departamento de Ciências Médicas e da Saúde, Escola de Saúde e Desenvolvimento Humano & LAQV- REQUIMTE, IIFA, Universidade de Évora, R. Romão Ramalho, 59, 7000-671 Évora, Portugal
| | - C M Rangel
- Laboratório Nacional de Energia e Geologia, I.P., Estrada do Paço do Lumiar, 22, 1649-038 Lisboa, Portugal,
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3
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Sheng D, Yue CX, Jin F, Wang Y, Ichikawa M, Yu Y, Guo CR, Hattori M. Structural insights into the orthosteric inhibition of P2X receptors by non-ATP analog antagonists. eLife 2024; 12:RP92829. [PMID: 38578670 PMCID: PMC10997329 DOI: 10.7554/elife.92829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024] Open
Abstract
P2X receptors are extracellular ATP-gated ion channels that form homo- or heterotrimers and consist of seven subtypes. They are expressed in various tissues, including neuronal and nonneuronal cells, and play critical roles in physiological processes such as neurotransmission, inflammation, pain, and cancer. As a result, P2X receptors have attracted considerable interest as drug targets, and various competitive inhibitors have been developed. However, although several P2X receptor structures from different subtypes have been reported, the limited structural information of P2X receptors in complex with competitive antagonists hampers the understanding of orthosteric inhibition, hindering the further design and optimization of those antagonists for drug discovery. We determined the cryogenic electron microscopy (cryo-EM) structures of the mammalian P2X7 receptor in complex with two classical competitive antagonists of pyridoxal-5'-phosphate derivatives, pyridoxal-5'-phosphate-6-(2'-naphthylazo-6'-nitro-4',8'-disulfonate) (PPNDS) and pyridoxal phosphate-6-azophenyl-2',5'-disulfonic acid (PPADS), and performed structure-based mutational analysis by patch-clamp recording as well as molecular dynamics (MD) simulations. Our structures revealed the orthosteric site for PPADS/PPNDS, and structural comparison with the previously reported apo- and ATP-bound structures showed how PPADS/PPNDS binding inhibits the conformational changes associated with channel activation. In addition, structure-based mutational analysis identified key residues involved in the PPNDS sensitivity of P2X1 and P2X3, which are known to have higher affinity for PPADS/PPNDS than other P2X subtypes.
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Affiliation(s)
- Danqi Sheng
- State Key Laboratory of Genetic Engineering, Shanghai Key Laboratory of Bioactive Small Molecules, Collaborative Innovation Center of Genetics and Development, Department of Physiology and Neurobiology, School of Life Sciences, Fudan UniversityShanghaiChina
| | - Chen-Xi Yue
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical UniversityNanjingChina
| | - Fei Jin
- State Key Laboratory of Genetic Engineering, Shanghai Key Laboratory of Bioactive Small Molecules, Collaborative Innovation Center of Genetics and Development, Department of Physiology and Neurobiology, School of Life Sciences, Fudan UniversityShanghaiChina
| | - Yao Wang
- State Key Laboratory of Genetic Engineering, Shanghai Key Laboratory of Bioactive Small Molecules, Collaborative Innovation Center of Genetics and Development, Department of Physiology and Neurobiology, School of Life Sciences, Fudan UniversityShanghaiChina
| | - Muneyoshi Ichikawa
- State Key Laboratory of Genetic Engineering, Department of Biochemistry and Biophysics, School of Life Sciences, Fudan UniversityShanghaiChina
| | - Ye Yu
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical UniversityNanjingChina
| | - Chang-Run Guo
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical UniversityNanjingChina
| | - Motoyuki Hattori
- State Key Laboratory of Genetic Engineering, Shanghai Key Laboratory of Bioactive Small Molecules, Collaborative Innovation Center of Genetics and Development, Department of Physiology and Neurobiology, School of Life Sciences, Fudan UniversityShanghaiChina
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4
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Abstract
Within the family of purinergic receptors, the P2X1 receptor is a ligand-gated ion channel that plays a role in urogenital, immune and cardiovascular function. Specifically, the P2X1 receptor has been implicated in controlling smooth muscle contractions of the vas deferens and therefore has emerged as an exciting drug target for male contraception. In addition, the P2X1 receptor contributes to smooth muscle contractions of the bladder and is a target to treat bladder dysfunction. Finally, platelets and neutrophils have populations of P2X1 receptors that could be targeted for thrombosis and inflammatory conditions. Drugs that specifically target the P2X1 receptor have been challenging to develop, and only recently have small molecule antagonists of the P2X1 receptor been available. However, these ligands need further biological validation for appropriate selectivity and drug-like properties before they will be suitable for use in preclinical models of disease. Although the atomic structure of the P2X1 receptor has yet to be determined, the recent discovery of several other P2X receptor structures and improvements in the field of structural biology suggests that this is now a distinct possibility. Such efforts may significantly improve drug discovery efforts at the P2X1 receptor.
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Pyridine-promoted diazotization of P H bonds with aryl diazonium tetrafluoroborates: Synthesis of azo organophosphorus compounds. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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6
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Zhao XZ, Wang W, Lountos GT, Tropea JE, Needle D, Pommier Y, Burke TR. Phosphonic acid-containing inhibitors of tyrosyl-DNA phosphodiesterase 1. Front Chem 2022; 10:910953. [PMID: 36051621 PMCID: PMC9424690 DOI: 10.3389/fchem.2022.910953] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
Tyrosyl-DNA phosphodiesterase 1 (TDP1) repairs stalled type I topoisomerase (TOP1)-DNA complexes by hydrolyzing the phosphodiester bond between the TOP1 Y723 residue and the 3′-phosphate of its DNA substrate. Although TDP1 antagonists could potentially reduce the dose of TOP1 inhibitors needed to achieve effective anticancer effects, the development of validated TDP1 inhibitors has proven to be challenging. This may, in part, be due to the open and extended nature of the TOP1 substrate binding region. We have previously reported imidazopyrazines and imidazopyridines that can inhibit TDP1 catalytic function in vitro. We solved the TDP1 crystal structures with bound inhibitors of this class and found that the dicarboxylic acid functionality within the N-(3,4-dicarboxyphenyl)-2-diphenylimidazo [1,2-a]pyridin-3-amine platform overlaps with aspects of phosphoryl substrate recognition. Yet phosphonic acids could potentially better-replicate cognate TOP1-DNA substrate binding interactions than carboxylic acids. As reported herein, we designed phosphonic acid-containing variants of our previously reported carboxylic acid-containing imidazopyrazine and imidazopyridine inhibitors and effected their synthesis using one-pot Groebke–Blackburn–Bienayme multicomponent reactions. We obtained crystal structures of TDP1 complexed with a subset of inhibitors. We discuss binding interactions of these inhibitors within the context of phosphate-containing substrate and carboxylic acid-based inhibitors. These compounds represent a new structural class of small molecule ligands that mimic aspects of the 3′-processed substrate that results from TDP1 catalysis.
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Affiliation(s)
- Xue Zhi Zhao
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, United States
- *Correspondence: Xue Zhi Zhao,
| | - Wenjie Wang
- Developmental Therapeutics Branch and Laboratory of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - George T. Lountos
- Basic Science Program, Frederick National Laboratory for Cancer Research, Frederick, MD, United States
| | - Joseph E. Tropea
- Center for Structural Biology, Center for Cancer Research, National Cancer Institute, Frederick, MD, United States
| | - Danielle Needle
- Center for Structural Biology, Center for Cancer Research, National Cancer Institute, Frederick, MD, United States
| | - Yves Pommier
- Developmental Therapeutics Branch and Laboratory of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Terrence R. Burke
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, United States
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7
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Jacobson KA, IJzerman AP, Müller CE. Medicinal chemistry of P2 and adenosine receptors: Common scaffolds adapted for multiple targets. Biochem Pharmacol 2021; 187:114311. [PMID: 33130128 PMCID: PMC8081756 DOI: 10.1016/j.bcp.2020.114311] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 10/26/2020] [Accepted: 10/27/2020] [Indexed: 12/20/2022]
Abstract
Prof. Geoffrey Burnstock originated the concept of purinergic signaling. He demonstrated the interactions and biological roles of ionotropic P2X and metabotropic P2Y receptors. This review paper traces the historical origins of many currently used antagonists and agonists for P2 receptors, as well as adenosine receptors, in early attempts to identify ligands for these receptors - prior to the use of chemical libraries for screening. Rather than presenting a general review of current purinergic ligands, we focus on common chemical scaffolds (privileged scaffolds) that can be adapted for multiple receptor targets. By carefully analyzing the structure activity relationships, one can direct the selectivity of these scaffolds toward different receptor subtypes. For example, the weak and non-selective P2 antagonist reactive blue 2 (RB-2) was derivatized using combinatorial synthetic approaches, leading to the identification of selective P2Y2, P2Y4, P2Y12 or P2X2 receptor antagonists. A P2X4 antagonist NC-2600 is in a clinical trial, and A3 adenosine agonists show promise, for chronic pain. P2X7 antagonists have been in clinical trials for depression (JNJ-54175446), inflammatory bowel disease (IBD), Crohn's disease, rheumatoid arthritis, inflammatory pain and chronic obstructive pulmonary disease (COPD). P2X3 antagonists are in clinical trials for chronic cough, and an antagonist named after Burnstock, gefapixant, is expected to be the first P2X3 antagonist filed for approval. We are seeing that the vision of Prof. Burnstock to use purinergic signaling modulators, most recently at P2XRs, for treating disease is coming to fruition.
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Affiliation(s)
- Kenneth A Jacobson
- Molecular Recognition Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, United States.
| | - Adriaan P IJzerman
- Division of Drug Discovery and Safety, LACDR, Leiden University, the Netherlands
| | - Christa E Müller
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
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8
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Jian Y, Forbes HE, Hulpia F, Risseeuw MDP, Caljon G, Munier-Lehmann H, Boshoff HIM, Van Calenbergh S. 2-((3,5-Dinitrobenzyl)thio)quinazolinones: Potent Antimycobacterial Agents Activated by Deazaflavin (F 420)-Dependent Nitroreductase (Ddn). J Med Chem 2021; 64:440-457. [PMID: 33347317 PMCID: PMC10629625 DOI: 10.1021/acs.jmedchem.0c01374] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Swapping the substituents in positions 2 and 4 of the previously synthesized but yet undisclosed 5-cyano-4-(methylthio)-2-arylpyrimidin-6-ones 4, ring closure, and further optimization led to the identification of the potent antitubercular 2-thio-substituted quinazolinone 26. Structure-activity relationship (SAR) studies indicated a crucial role for both meta-nitro substituents for antitubercular activity, while the introduction of polar substituents on the quinazolinone core allowed reduction of bovine serum albumin (BSA) binding (63c, 63d). While most of the tested quinazolinones exhibited no cytotoxicity against MRC-5, the most potent compound 26 was found to be mutagenic via the Ames test. This analogue exhibited moderate inhibitory potency against Mycobacterium tuberculosis thymidylate kinase, the target of the 3-cyanopyridones that lies at the basis of the current analogues, indicating that the whole-cell antimycobacterial activity of the present S-substituted thioquinazolinones is likely due to modulation of alternative or additional targets. Diminished antimycobacterial activity was observed against mutants affected in cofactor F420 biosynthesis (fbiC), cofactor reduction (fgd), or deazaflavin-dependent nitroreductase activity (rv3547), indicating that reductive activation of the 3,5-dinitrobenzyl analogues is key to antimycobacterial activity.
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Affiliation(s)
- Yanlin Jian
- Laboratory for Medicinal Chemistry (FFW), Ghent University, Ottergemsesteenweg 460, B-9000 Gent, Belgium
| | - He Eun Forbes
- Tuberculosis Research Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Disease, National Institutes of Health, 9000 Rockville Pike, Bethesda, Maryland 20892, United States
| | - Fabian Hulpia
- Laboratory for Medicinal Chemistry (FFW), Ghent University, Ottergemsesteenweg 460, B-9000 Gent, Belgium
| | - Martijn D. P. Risseeuw
- Laboratory for Medicinal Chemistry (FFW), Ghent University, Ottergemsesteenweg 460, B-9000 Gent, Belgium
| | - Guy Caljon
- Laboratory of Microbiology, Parasitology and Hygiene, University of Antwerp, Universiteitsplein 1 (S7), B-2610 Wilrijk, Belgium
| | - Hélène Munier-Lehmann
- Unit of Chemistry and Biocatalysis, Department of Structural Biology and Chemistry, Institut Pasteur, CNRS UMR3523, 28 Rue du Dr. Roux, Cedex 15 75724 Paris, France
| | - Helena I. M. Boshoff
- Tuberculosis Research Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Disease, National Institutes of Health, 9000 Rockville Pike, Bethesda, Maryland 20892, United States
| | - Serge Van Calenbergh
- Laboratory for Medicinal Chemistry (FFW), Ghent University, Ottergemsesteenweg 460, B-9000 Gent, Belgium
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Shtyrlin YG, Petukhov AS, Strelnik AD, Shtyrlin NV, Iksanova AG, Pugachev MV, Pavelyev RS, Dzyurkevich MS, Garipov MR, Balakin KV. Chemistry of pyridoxine in drug design. Russ Chem Bull 2019. [DOI: 10.1007/s11172-019-2504-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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10
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Ghasemzadeh MS, Akhlaghinia B. C–P bond construction catalyzed by NiII immobilized on aminated Fe3O4@TiO2 yolk–shell NPs functionalized by (3-glycidyloxypropyl)trimethoxysilane (Fe3O4@TiO2 YS-GLYMO-UNNiII) in green media. NEW J CHEM 2019. [DOI: 10.1039/c9nj00352e] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
An efficient, versatile and novel method for the C–P cross-coupling reaction with a high yield of products using Fe3O4@TiO2YS-GLYMO-UNNiII as a magnetic nanostructured catalyst in the presence of WERSA was reported.
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Affiliation(s)
- Maryam Sadat Ghasemzadeh
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad
- Mashhad 9177948974
- Iran
| | - Batool Akhlaghinia
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad
- Mashhad 9177948974
- Iran
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Henyecz R, Keglevich G. New Developments on the Hirao Reactions, Especially from "Green" Point of View. Curr Org Synth 2019; 16:523-545. [PMID: 31984929 PMCID: PMC7432197 DOI: 10.2174/1570179416666190415110834] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 02/19/2019] [Accepted: 03/12/2019] [Indexed: 01/08/2023]
Abstract
BACKGROUND The Hirao reaction discovered ca. 35 years ago is an important P-C coupling protocol between dialkyl phosphites and aryl halides in the presence of Pd(PPh3)4 as the catalyst and a base to provide aryl phosphonates. Then, the reaction was extended to other Preagents, such as secondary phosphine oxides and H-phosphinates and to other aryl and hetaryl derivatives to afford also phosphinic esters and tertiary phosphine oxides. Instead of the Pd(PPh3)4 catalyst, Pd(OAc)2 and Ni-salts were also applied as catalyst precursors together with a number of mono- and bidentate P-ligands. OBJECTIVE In our review, we undertook to summarize the target reaction with a special stress on the developments attained in the last 6 years, hence this paper is an update of our earlier reviews in a similar topic. CONCLUSIONS "Greener" syntheses aimed at utilizing phase transfer catalytic and microwave-assisted approaches, even under "P-ligand-free. or even solvent-free conditions are the up-to date versions of the classical Hirao reaction. The mechanism of the reaction is also in the focus these days.
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Affiliation(s)
- Réka Henyecz
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521Budapest, Hungary
| | - György Keglevich
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1521Budapest, Hungary
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12
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Latif M, Ashraf Z, Basit S, Ghaffar A, Zafar MS, Saeed A, Meo SA. Latest perspectives of orally bioavailable 2,4-diarylaminopyrimidine analogues (DAAPalogues) as anaplastic lymphoma kinase inhibitors: discovery and clinical developments. RSC Adv 2018; 8:16470-16493. [PMID: 35540549 PMCID: PMC9080316 DOI: 10.1039/c8ra01934g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 04/19/2018] [Indexed: 01/06/2023] Open
Abstract
The course of anaplastic lymphoma kinase (ALK)-rearranged non-small-cell lung cancer (NSCLC) therapy has improved impressively. The Food and Drug Administration (FDA) has approved crizotinib (Xalkori, Pfizer) as a first-in-class tyrosine kinase inhibitor (TKI) that demonstrated a substantial objective response rate (ORR) and remarkable progression-free survival (PFS). However, acquired resistance to crizotinib is still a major concern especially as the central nervous system (CNS) remains the most common sites of relapse. To combat disease resistance, limited PFS and poor CNS exposure exhibited by crizotinib (Xalkori, Pfizer) led to the discovery of numerous next generation ALK-TKIs and surprisingly most of them are 2,4-Diarylaminopyrimidine Analogues (DAAPalogues). To date, DAAPalogues have been investigated extensively to display their superior potency against numerous kinase targets especially ALK/ROS1. This review describes hit-to-drug evolution strategies, activity spectra, milestones related to medicinal chemistry discovery efforts and scalable synthetic pathways of clinically emerging DAAPalouges which are either progressing as investigational or preclinical candidates. In addition, the significance of DAAPalogues to treat the patients with ALK+-NSCLC in clinical settings has been detailed. This review is beneficial for medicinal chemists and researchers contributing to discovering ALK-TKIs to overcome existing issues related to DAAPalouges in the drug discovery process.
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Affiliation(s)
- Muhammad Latif
- College of Medicine, Centre for Genetics and Inherited Diseases (CGID), Taibah University Al-Madinah Al-Munawwarah Kingdom of Saudi Arabia
| | - Zaman Ashraf
- Department of Chemistry, Allama Iqbal Open University Islamabad 44000 Pakistan
| | - Sulman Basit
- College of Medicine, Centre for Genetics and Inherited Diseases (CGID), Taibah University Al-Madinah Al-Munawwarah Kingdom of Saudi Arabia
| | - Abdul Ghaffar
- Department of Chemistry, University of Engineering and Technology Lahore Pakistan
| | - Muhammad Sohail Zafar
- Department of Restorative Dentistry, College of Dentistry, Taibah University Al-Madinah Al-Munawwarah Kingdom of Saudi Arabia
- Department of Dental Materials, Islamic International Dental College, Riphah International University Islamabad 44000 Pakistan
| | - Aamer Saeed
- Department of Chemistry, Quaid-e-Azam University Islamabad Pakistan
| | - Sultan Ayoub Meo
- Department of Physiology, College of Medicine, King Saud University Riyadh Kingdom of Saudi Arabia
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Xiong B, Hu C, Gu J, Yang C, Zhang P, Liu Y, Tang K. Efficient and Controllable Esterification of P(O)-OH Compounds Using Uronium-Based Salts. ChemistrySelect 2017. [DOI: 10.1002/slct.201700596] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Biquan Xiong
- Department of Chemistry and Chemical Engineering; Hunan Institute of Science and Technology; Xueyuan Road Yueyang 414006 P.R.China
| | - Chenghong Hu
- Department of Chemistry and Chemical Engineering; Hunan Institute of Science and Technology; Xueyuan Road Yueyang 414006 P.R.China
| | - Jingfang Gu
- Department of Chemistry and Chemical Engineering; Hunan Institute of Science and Technology; Xueyuan Road Yueyang 414006 P.R.China
| | - Changan Yang
- Department of Chemistry and Chemical Engineering; Hunan Institute of Science and Technology; Xueyuan Road Yueyang 414006 P.R.China
| | - Panliang Zhang
- Department of Chemistry and Chemical Engineering; Hunan Institute of Science and Technology; Xueyuan Road Yueyang 414006 P.R.China
| | - Yu Liu
- Department of Chemistry and Chemical Engineering; Hunan Institute of Science and Technology; Xueyuan Road Yueyang 414006 P.R.China
| | - Kewen Tang
- Department of Chemistry and Chemical Engineering; Hunan Institute of Science and Technology; Xueyuan Road Yueyang 414006 P.R.China
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Abstract
An efficient transformation towards propynoates and propynenitriles is herein described. The practical methodology was conducted at low temperature (–78 or –60 °C) in a one-pot manner with the assistance of base rather than any transition metal catalysts. The base-induced protocol exhibits good functional group tolerance (up to 28 examples) and high efficiency (up to 92% yields) towards substituted acetylenes of great synthetic significance, which was also well demonstrated by the gram-scale reactions.
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Affiliation(s)
- Fan Shu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Qingjuan Zheng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Wanrong Dong
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Zhihong Peng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Delie An
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
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15
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Gómez-Santacana X, Pittolo S, Rovira X, Lopez M, Zussy C, Dalton JAR, Faucherre A, Jopling C, Pin JP, Ciruela F, Goudet C, Giraldo J, Gorostiza P, Llebaria A. Illuminating Phenylazopyridines To Photoswitch Metabotropic Glutamate Receptors: From the Flask to the Animals. ACS CENTRAL SCIENCE 2017; 3:81-91. [PMID: 28149957 PMCID: PMC5269660 DOI: 10.1021/acscentsci.6b00353] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Indexed: 06/06/2023]
Abstract
Phenylazopyridines are photoisomerizable compounds with high potential to control biological functions with light. We have obtained a series of phenylazopyridines with light dependent activity as negative allosteric modulators (NAM) of metabotropic glutamate receptor subtype 5 (mGlu5). Here we describe the factors needed to achieve an operational molecular photoisomerization and its effective translation into in vitro and in vivo receptor photoswitching, which includes zebrafish larva motility and the regulation of the antinociceptive effects in mice. The combination of light and some specific phenylazopyridine ligands displays atypical pharmacological profiles, including light-dependent receptor overactivation, which can be observed both in vitro and in vivo. Remarkably, the localized administration of light and a photoswitchable compound in the peripheral tissues of rodents or in the brain amygdalae results in an illumination-dependent analgesic effect. The results reveal a robust translation of the phenylazopyridine photoisomerization to a precise photoregulation of biological activity.
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Affiliation(s)
- Xavier Gómez-Santacana
- MCS,
Laboratory of Medicinal Chemistry & Synthesis, Institute for Advanced Chemistry of Catalonia (IQAC−CSIC), Barcelona, Spain
- Institute
for Bioengineering of Catalonia (IBEC), Barcelona, Spain
- Institut
de Neurociències and Unitat de Bioestadística, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Silvia Pittolo
- Institute
for Bioengineering of Catalonia (IBEC), Barcelona, Spain
| | - Xavier Rovira
- Institute
of Functional Genomics, Université de Montpellier, Unité
Mixte de Recherche 5302 CNRS, Montpellier, France
- Unité
de recherche U1191, INSERM, Montpellier, France
| | - Marc Lopez
- Unitat
de Farmacologia, Departament Patologia i Terapèutica Experimental,
Facultat de Medicina, IDIBELL, Universitat
de Barcelona, Barcelona, Spain
- Institut
de Neurociències, Universitat de
Barcelona, Barcelona, Spain
| | - Charleine Zussy
- Institute
of Functional Genomics, Université de Montpellier, Unité
Mixte de Recherche 5302 CNRS, Montpellier, France
- Unité
de recherche U1191, INSERM, Montpellier, France
| | - James A. R. Dalton
- Institut
de Neurociències and Unitat de Bioestadística, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Adèle Faucherre
- Institute
of Functional Genomics, Université de Montpellier, Unité
Mixte de Recherche 5302 CNRS, Montpellier, France
- Unité
de recherche U1191, INSERM, Montpellier, France
| | - Chris Jopling
- Institute
of Functional Genomics, Université de Montpellier, Unité
Mixte de Recherche 5302 CNRS, Montpellier, France
- Unité
de recherche U1191, INSERM, Montpellier, France
| | - Jean-Philippe Pin
- Institute
of Functional Genomics, Université de Montpellier, Unité
Mixte de Recherche 5302 CNRS, Montpellier, France
- Unité
de recherche U1191, INSERM, Montpellier, France
| | - Francisco Ciruela
- Unitat
de Farmacologia, Departament Patologia i Terapèutica Experimental,
Facultat de Medicina, IDIBELL, Universitat
de Barcelona, Barcelona, Spain
- Institut
de Neurociències, Universitat de
Barcelona, Barcelona, Spain
| | - Cyril Goudet
- Institute
of Functional Genomics, Université de Montpellier, Unité
Mixte de Recherche 5302 CNRS, Montpellier, France
- Unité
de recherche U1191, INSERM, Montpellier, France
| | - Jesús Giraldo
- Institut
de Neurociències and Unitat de Bioestadística, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
- Network Biomedical Research Center on Mental Health
(CIBERSAM), Madrid, Spain
| | - Pau Gorostiza
- Institute
for Bioengineering of Catalonia (IBEC), Barcelona, Spain
- Network
Biomedical Research Center on Bioengineering, Biomaterials and Nanomedicine
(CIBER-BBN), Madrid, Spain
- Catalan
Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - Amadeu Llebaria
- MCS,
Laboratory of Medicinal Chemistry & Synthesis, Institute for Advanced Chemistry of Catalonia (IQAC−CSIC), Barcelona, Spain
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16
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Chen TH, Reddy DM, Lee CF. A palladium-catalyzed oxidative cross-coupling reaction between aryl pinacol boronates and H-phosphonates in ethanol. RSC Adv 2017. [DOI: 10.1039/c7ra04619g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The first successful oxidative cross-coupling reaction of aryl phosphorous compounds started from pinacol aryl boronic esters is reported.
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Affiliation(s)
- Te-Hsuan Chen
- Department of Chemistry
- National Chung Hsing University
- Taichung
- Republic of China
| | | | - Chin-Fa Lee
- Department of Chemistry
- National Chung Hsing University
- Taichung
- Republic of China
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17
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Kuczeriszka M, Dobrowolski L, Walkowska A, Sadowski J. Influence of P2X receptors on renal medullary circulation is not altered by angiotensin II pretreatment. Pharmacol Rep 2016; 68:1230-1236. [DOI: 10.1016/j.pharep.2016.07.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 06/20/2016] [Accepted: 07/29/2016] [Indexed: 12/26/2022]
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18
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Asymmetric synthesis of chiral P-stereogenic triaryl phosphine oxides via Pd-catalyzed kinetic arylation of diaryl phosphine oxides. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.10.048] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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19
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Huang WS, Liu S, Zou D, Thomas M, Wang Y, Zhou T, Romero J, Kohlmann A, Li F, Qi J, Cai L, Dwight TA, Xu Y, Xu R, Dodd R, Toms A, Parillon L, Lu X, Anjum R, Zhang S, Wang F, Keats J, Wardwell SD, Ning Y, Xu Q, Moran LE, Mohemmad QK, Jang HG, Clackson T, Narasimhan NI, Rivera VM, Zhu X, Dalgarno D, Shakespeare WC. Discovery of Brigatinib (AP26113), a Phosphine Oxide-Containing, Potent, Orally Active Inhibitor of Anaplastic Lymphoma Kinase. J Med Chem 2016; 59:4948-64. [PMID: 27144831 DOI: 10.1021/acs.jmedchem.6b00306] [Citation(s) in RCA: 249] [Impact Index Per Article: 31.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In the treatment of echinoderm microtubule-associated protein-like 4 (EML4)-anaplastic lymphoma kinase positive (ALK+) non-small-cell lung cancer (NSCLC), secondary mutations within the ALK kinase domain have emerged as a major resistance mechanism to both first- and second-generation ALK inhibitors. This report describes the design and synthesis of a series of 2,4-diarylaminopyrimidine-based potent and selective ALK inhibitors culminating in identification of the investigational clinical candidate brigatinib. A unique structural feature of brigatinib is a phosphine oxide, an overlooked but novel hydrogen-bond acceptor that drives potency and selectivity in addition to favorable ADME properties. Brigatinib displayed low nanomolar IC50s against native ALK and all tested clinically relevant ALK mutants in both enzyme-based biochemical and cell-based viability assays and demonstrated efficacy in multiple ALK+ xenografts in mice, including Karpas-299 (anaplastic large-cell lymphomas [ALCL]) and H3122 (NSCLC). Brigatinib represents the most clinically advanced phosphine oxide-containing drug candidate to date and is currently being evaluated in a global phase 2 registration trial.
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Affiliation(s)
- Wei-Sheng Huang
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Shuangying Liu
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Dong Zou
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Mathew Thomas
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Yihan Wang
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Tianjun Zhou
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Jan Romero
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Anna Kohlmann
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Feng Li
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Jiwei Qi
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Lisi Cai
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Timothy A Dwight
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Yongjin Xu
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Rongsong Xu
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Rory Dodd
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Angela Toms
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Lois Parillon
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Xiaohui Lu
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Rana Anjum
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Sen Zhang
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Frank Wang
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Jeffrey Keats
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Scott D Wardwell
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Yaoyu Ning
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Qihong Xu
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Lauren E Moran
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Qurish K Mohemmad
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Hyun Gyung Jang
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Tim Clackson
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Narayana I Narasimhan
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Victor M Rivera
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Xiaotian Zhu
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - David Dalgarno
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - William C Shakespeare
- ARIAD Pharmaceuticals, Inc. , 26 Landsdowne Street, Cambridge, Massachusetts 02139, United States
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20
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Yang G, Shen C, Quan M, Zhang W. Preparation of organophosphorus compounds from P–H compounds using o-(trimethylsilyl)aryl triflates as aryne precursors. Tetrahedron 2016. [DOI: 10.1016/j.tet.2015.11.045] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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21
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Zhang Y, Zhang Y, Xiao J, Peng Z, Dong W, An D. Base-Induced One-Pot Preparation of N- or P-Substituted Alkynes. European J Org Chem 2015. [DOI: 10.1002/ejoc.201501092] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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22
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Singh VP, Poon JF, Butcher RJ, Lu X, Mestres G, Ott MK, Engman L. Effect of a Bromo Substituent on the Glutathione Peroxidase Activity of a Pyridoxine-like Diselenide. J Org Chem 2015; 80:7385-95. [DOI: 10.1021/acs.joc.5b00797] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Vijay P. Singh
- Department
of Chemistry−BMC, Uppsala University, Box 576, SE-751 23 Uppsala, Sweden
| | - Jia-fei Poon
- Department
of Chemistry−BMC, Uppsala University, Box 576, SE-751 23 Uppsala, Sweden
| | - Ray J. Butcher
- Department
of Chemistry, Howard University, Washington, D.C. 20059, United States
| | - Xi Lu
- Division
of Applied Materials Science, Department of Engineering Sciences, Uppsala University, SE-751 23 Uppsala, Sweden
| | - Gemma Mestres
- Division
of Applied Materials Science, Department of Engineering Sciences, Uppsala University, SE-751 23 Uppsala, Sweden
| | - Marjam Karlsson Ott
- Division
of Applied Materials Science, Department of Engineering Sciences, Uppsala University, SE-751 23 Uppsala, Sweden
| | - Lars Engman
- Department
of Chemistry−BMC, Uppsala University, Box 576, SE-751 23 Uppsala, Sweden
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23
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Tengholm A. Purinergic P2Y1 receptors take centre stage in autocrine stimulation of human beta cells. Diabetologia 2014; 57:2436-9. [PMID: 25277952 DOI: 10.1007/s00125-014-3392-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Accepted: 09/10/2014] [Indexed: 12/20/2022]
Abstract
Insulin secretory vesicles contain high concentrations of adenine nucleotides, which are co-released with insulin during exocytosis. There is strong evidence that ATP and ADP serve as autocrine messengers in pancreatic beta cells, but the functional effects and detailed mechanisms of action are under debate. In this issue of Diabetologia, Khan and colleagues (DOI: 10.1007/s00125-014-3368-8 ) present the results of their study of autocrine purinergic signalling in isolated human beta cells. Using a combination of electrophysiological techniques, Ca(2+) imaging and measurements of insulin secretion, it is demonstrated that voltage-dependent Ca(2+) influx triggers release of ATP/ADP, which activates purinergic receptors of the Gq/11-coupled P2Y1 isoform. Activation of these receptors leads to membrane depolarisation and phospholipase C-mediated mobilisation of Ca(2+) from endoplasmic reticulum stores, which amplifies the exocytosis-triggering Ca(2+) signal. In contrast, there is little evidence for involvement of ionotropic P2X receptors in the autocrine stimulation of human beta cells. This commentary discusses these findings as well as various functional and therapeutic implications of the complex purinergic signalling network in the pancreatic islet.
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Affiliation(s)
- Anders Tengholm
- Department of Medical Cell Biology, Uppsala University, Biomedical Centre, Box 571, SE-751 23, Uppsala, Sweden,
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24
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Khan S, Yan-Do R, Duong E, Wu X, Bautista A, Cheley S, MacDonald PE, Braun M. Autocrine activation of P2Y1 receptors couples Ca (2+) influx to Ca (2+) release in human pancreatic beta cells. Diabetologia 2014; 57:2535-45. [PMID: 25208758 DOI: 10.1007/s00125-014-3368-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Accepted: 08/13/2014] [Indexed: 01/26/2023]
Abstract
AIMS/HYPOTHESIS There is evidence that ATP acts as an autocrine signal in beta cells but the receptors and pathways involved are incompletely understood. Here we investigate the receptor subtype(s) and mechanism(s) mediating the effects of ATP on human beta cells. METHODS We examined the effects of purinergic agonists and antagonists on membrane potential, membrane currents, intracellular Ca(2+) ([Ca(2+)]i) and insulin secretion in human beta cells. RESULTS Extracellular application of ATP evoked small inward currents (3.4 ± 0.7 pA) accompanied by depolarisation of the membrane potential (by 14.4 ± 2.4 mV) and stimulation of electrical activity at 6 mmol/l glucose. ATP increased [Ca(2+)]i by stimulating Ca(2+) influx and evoking Ca(2+) release via InsP3-receptors in the endoplasmic reticulum (ER). ATP-evoked Ca(2+) release was sufficient to trigger exocytosis in cells voltage-clamped at -70 mV. All effects of ATP were mimicked by the P2Y(1/12/13) agonist ADP and the P2Y1 agonist MRS-2365, whereas the P2X(1/3) agonist α,β-methyleneadenosine-5-triphosphate only had a small effect. The P2Y1 antagonists MRS-2279 and MRS-2500 hyperpolarised glucose-stimulated beta cells and lowered [Ca(2+)]i in the absence of exogenously added ATP and inhibited glucose-induced insulin secretion by 35%. In voltage-clamped cells subjected to action potential-like stimulation, MRS-2279 decreased [Ca(2+)]i and exocytosis without affecting Ca(2+) influx. CONCLUSIONS/INTERPRETATION These data demonstrate that ATP acts as a positive autocrine signal in human beta cells by activating P2Y1 receptors, stimulating electrical activity and coupling Ca(2+) influx to Ca(2+) release from ER stores.
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Affiliation(s)
- Shara Khan
- Department of Pharmacology, University of Alberta, Edmonton, AB, Canada
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25
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Singh VP, Poon JF, Butcher RJ, Engman L. Pyridoxine-Derived Organoselenium Compounds with Glutathione Peroxidase-Like and Chain-Breaking Antioxidant Activity. Chemistry 2014; 20:12563-71. [DOI: 10.1002/chem.201403229] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Indexed: 11/07/2022]
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26
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27
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Huang L, Wang Q, Wu W, Jiang H. Palladium/Copper Bimetallic System-Mediated Cross-Coupling of Alkynes and Alkenes: Two Strategies to Suppress β-H Elimination on Alkyl-Palladium Center. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201400007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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28
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Cheng C, Liu Y, Balasis ME, Simmons NL, Li J, Song H, Pan L, Qin Y, Nicolaou KC, Sebti SM, Li R. Cyclic marinopyrrole derivatives as disruptors of Mcl-1 and Bcl-x(L) binding to Bim. Mar Drugs 2014; 12:1335-48. [PMID: 24608970 PMCID: PMC3967213 DOI: 10.3390/md12031335] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Revised: 02/17/2014] [Accepted: 02/18/2014] [Indexed: 11/16/2022] Open
Abstract
A series of novel cyclic marinopyrroles were designed and synthesized. Their activity to disrupt the binding of the pro-apoptotic protein, Bim, to the pro-survival proteins, Mcl-1 and Bcl-x(L), was evaluated using ELISA assays. Both atropisomers of marinopyrrole A (1) show similar potency. A tetrabromo congener 9 is two-fold more potent than 1. Two novel cyclic marinopyrroles (3 and 4) are two- to seven-fold more potent than 1.
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Affiliation(s)
- Chunwei Cheng
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education and State Key Laboratory of Biotherapy, Department of Medicinal Natural Products, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Yan Liu
- Chemical Biology & Molecular Medicine Program, Department of Drug Discovery, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, FL 33612, USA.
| | - Maria E Balasis
- Chemical Biology & Molecular Medicine Program, Department of Drug Discovery, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, FL 33612, USA.
| | - Nicholas L Simmons
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.
| | - Jerry Li
- Chemical Biology & Molecular Medicine Program, Department of Drug Discovery, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, FL 33612, USA.
| | - Hao Song
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education and State Key Laboratory of Biotherapy, Department of Medicinal Natural Products, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Lili Pan
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education and State Key Laboratory of Biotherapy, Department of Medicinal Natural Products, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Yong Qin
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education and State Key Laboratory of Biotherapy, Department of Medicinal Natural Products, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - K C Nicolaou
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.
| | - Said M Sebti
- Chemical Biology & Molecular Medicine Program, Department of Drug Discovery, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, FL 33612, USA.
| | - Rongshi Li
- Chemical Biology & Molecular Medicine Program, Department of Drug Discovery, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, FL 33612, USA.
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29
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Xiong B, Li M, Liu Y, Zhou Y, Zhao C, Goto M, Yin SF, Han LB. Stereoselective Synthesis of Phosphoryl-Substituted Phenols. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201300913] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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30
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Li X, Yang F, Wu Y, Wu Y. Copper-Mediated Oxidative Decarboxylative Coupling of Arylpropiolic Acids with Dialkyl H-Phosphonates in Water. Org Lett 2014; 16:992-5. [DOI: 10.1021/ol4037242] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Xiang Li
- The College of Chemistry
and Molecular
Engineering, Henan Key Laboratory of Chemical Biology and Organic
Chemistry, Key Laboratory of Applied Chemistry of Henan Universities, Zhengzhou University, Zhengzhou 450052, People’s Republic of China
| | - Fan Yang
- The College of Chemistry
and Molecular
Engineering, Henan Key Laboratory of Chemical Biology and Organic
Chemistry, Key Laboratory of Applied Chemistry of Henan Universities, Zhengzhou University, Zhengzhou 450052, People’s Republic of China
| | - Yangjie Wu
- The College of Chemistry
and Molecular
Engineering, Henan Key Laboratory of Chemical Biology and Organic
Chemistry, Key Laboratory of Applied Chemistry of Henan Universities, Zhengzhou University, Zhengzhou 450052, People’s Republic of China
| | - Yusheng Wu
- The College of Chemistry
and Molecular
Engineering, Henan Key Laboratory of Chemical Biology and Organic
Chemistry, Key Laboratory of Applied Chemistry of Henan Universities, Zhengzhou University, Zhengzhou 450052, People’s Republic of China
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31
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Xiong B, Zhou Y, Zhao C, Goto M, Yin SF, Han LB. Systematic study for the stereochemistry of the Atherton–Todd reaction. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.09.001] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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32
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Cho JH, Jung KY, Jung Y, Kim MH, Ko H, Park CS, Kim YC. Design and synthesis of potent and selective P2X₃ receptor antagonists derived from PPADS as potential pain modulators. Eur J Med Chem 2013; 70:811-30. [PMID: 24246730 DOI: 10.1016/j.ejmech.2013.10.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 10/07/2013] [Accepted: 10/11/2013] [Indexed: 11/17/2022]
Abstract
Pyridoxalphosphate-6-azophenyl-2',4'-disulfonate (7a, PPADS), a nonselective P2X receptor antagonist, was extensively modified to develop more stable, potent, and selective P2X₃ receptor antagonists as potential antinociceptive agents. Based on the results of our previous report, all strong anionic groups in PPADS including phosphate and sulfonate groups were changed to carboxylic acids or deleted. The unstable azo (-NN-) linkage of 7a was transformed to more stable carbon-carbon, ether or amide linkages through the synthesis of the 5-hydroxyl-pyridine moieties with substituents at 2 position via a Diels-Alder reaction. This resulted in the retention of antagonistic activity (IC50 = 400 ∼ 700 nM) at the hP2X₃ receptor in the two-electrode voltage clamp (TEVC) assay system on the Xenopus oocytes. Introduction of bulky aromatic groups at the carbon linker, as in compounds 13 h-n, dramatically improved the selectivity profiles of hP2X₃ when compared with mP2X₁ and hP2X₇ receptors. Among the substituents tested at the 2-position, the m-phenoxybenzyl group showed optimum selectivity and potency at the hP2X₃ receptor. In searching for effective substituents at the 4- and 3-positions, we found that compound 36j, with 4-carboxaldehyde, 3-propenoic acid and 2-(m-phenoxy)benzyl groups, was the most potent and selective hP2X₃ receptor antagonist with an IC50 of 60 nM at hP2X₃ and marginal antagonistic activities of 10 μM at mP2X₁ and hP2X₇. Furthermore, using an ex-vivo assay system, we found that compound 36j potently inhibited pain signaling in the rat dorsal horn with 20 μM 36j displaying 65% inhibition while 20 μM pregabalin, a clinically available drug, showed only 31% inhibition.
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Affiliation(s)
- Joong-Heui Cho
- School of Life Sciences, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, Republic of Korea
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Hu G, Chen W, Fu T, Peng Z, Qiao H, Gao Y, Zhao Y. Nickel-Catalyzed C–P Cross-Coupling of Arylboronic Acids with P(O)H Compounds. Org Lett 2013; 15:5362-5. [DOI: 10.1021/ol402672e] [Citation(s) in RCA: 101] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Gaobo Hu
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China
| | - Weizhu Chen
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China
| | - Tingting Fu
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China
| | - Zhimin Peng
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China
| | - Hongwei Qiao
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China
| | - Yuxing Gao
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China
| | - Yufen Zhao
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China
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Abstract
Endogenous nucleotides have widespread actions in the cardiovascular system, but it is only recently that the P2X and P2Y receptor subtypes, at which they act, have been identified and subtype-selective agonists and antagonists developed. These advances have greatly increased our understanding of the physiological and pathophysiological functions of P2X and P2Y receptors, but investigation of the clinical usefulness of selective ligands is at an early stage. Nonetheless, the evidence considered in this review demonstrates clearly that various cardiovascular disorders, including vasospasm, hypertension, congestive heart failure and cardiac damage during ischemic episodes, may be viable targets. With further development of novel, selective agonists and antagonists, our understanding will continue to improve and further therapeutic applications are likely to be discovered.
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Barba V, Ramos P, Jiménez D, Rivera A, Meneses A. Calixarene and hemicarcerand-like compounds obtained by self-assembly of 3-aminophenylboronic acid and salicylaldehyde derivatives. Inorganica Chim Acta 2013. [DOI: 10.1016/j.ica.2013.02.033] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Jung KY, Cho JH, Lee JS, Kim HJ, Kim YC. Synthesis and structure–activity relationships of carboxylic acid derivatives of pyridoxal as P2X receptor antagonists. Bioorg Med Chem 2013; 21:2643-50. [DOI: 10.1016/j.bmc.2013.01.073] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Revised: 01/30/2013] [Accepted: 01/31/2013] [Indexed: 11/26/2022]
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Singh VP, Poon JF, Engman L. Turning Pyridoxine into a Catalytic Chain-Breaking and Hydroperoxide-Decomposing Antioxidant. J Org Chem 2013; 78:1478-87. [DOI: 10.1021/jo3024297] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Vijay P. Singh
- Department of Chemistry−BMC, Uppsala University, Box 576, SE-751 23 Uppsala, Sweden
| | - Jia-fei Poon
- Department of Chemistry−BMC, Uppsala University, Box 576, SE-751 23 Uppsala, Sweden
| | - Lars Engman
- Department of Chemistry−BMC, Uppsala University, Box 576, SE-751 23 Uppsala, Sweden
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Xiong B, Shen R, Goto M, Yin SF, Han LB. Highly Selective 1,4- and 1,6-Addition of P(O)H Compounds top-Quinones: A Divergent Method for the Synthesis ofC- andO-Phosphoryl Hydroquinone Derivatives. Chemistry 2012; 18:16902-10. [DOI: 10.1002/chem.201202074] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Indexed: 11/07/2022]
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Hernandez-Olmos V, Abdelrahman A, El-Tayeb A, Freudendahl D, Weinhausen S, Müller CE. N-substituted phenoxazine and acridone derivatives: structure-activity relationships of potent P2X4 receptor antagonists. J Med Chem 2012; 55:9576-88. [PMID: 23075067 DOI: 10.1021/jm300845v] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
P2X4 receptor antagonists have potential as drugs for the treatment of neuropathic pain and neurodegenerative diseases. In the present study the discovery of phenoxazine derivatives as potent P2X4 antagonists is described. N-Substituted phenoxazine and related acridone and benzoxazine derivatives were synthesized and optimized with regard to their potency to inhibit ATP-induced calcium influx in 1321N1 astrocytoma cells stably transfected with the human P2X4 receptor. In addition, species selectivity (rat, mouse, human) and receptor subtype selectivity (versus P2X1,2,3,7) were investigated. The most potent P2X4 antagonist of the present series was N-(benzyloxycarbonyl)phenoxazine (26, PSB-12054) with an IC(50) of 0.189 μM and good selectivity versus the other human P2X receptor subtypes. N-(p-Methylphenylsulfonyl)phenoxazine (21, PSB-12062) was identified as a selective P2X4 antagonist that was equally potent in all three species (IC(50): 0.928-1.76 μM). The compounds showed an allosteric mechanism of action. The present study represents the first structure-activity relationship analysis of P2X4 antagonists.
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Affiliation(s)
- Victor Hernandez-Olmos
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
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Shtyrlin NV, Pavelyev RS, Pugachev MV, Sysoeva LP, Musin RZ, Shtyrlin YG. Synthesis of novel 6-substituted sulfur-containing derivatives of pyridoxine. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.05.086] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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41
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Shen C, Yang G, Zhang W. Nickel-catalyzed C-P coupling of aryl mesylates and tosylates with H(O)PR1R2. Org Biomol Chem 2012; 10:3500-5. [PMID: 22421881 DOI: 10.1039/c2ob25225b] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A method was developed for the nickel-catalyzed phosphonylation of aryl mesylates and tosylates with H(O)PR(1)R(2). To the best of our knowledge, this is the first example of nickel-catalyzed C-P coupling of aryl mesylates and tosylates. Most of the substrates gave moderate to good yields under our catalytic system.
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Affiliation(s)
- Chaoren Shen
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China
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Yang G, Shen C, Zhang L, Zhang W. Nickel-catalyzed Arbuzov reactions of aryl triflates with triethyl phosphite. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.07.077] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Coddou C, Yan Z, Obsil T, Huidobro-Toro JP, Stojilkovic SS. Activation and regulation of purinergic P2X receptor channels. Pharmacol Rev 2011; 63:641-83. [PMID: 21737531 DOI: 10.1124/pr.110.003129] [Citation(s) in RCA: 394] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Mammalian ATP-gated nonselective cation channels (P2XRs) can be composed of seven possible subunits, denoted P2X1 to P2X7. Each subunit contains a large ectodomain, two transmembrane domains, and intracellular N and C termini. Functional P2XRs are organized as homomeric and heteromeric trimers. This review focuses on the binding sites involved in the activation (orthosteric) and regulation (allosteric) of P2XRs. The ectodomains contain three ATP binding sites, presumably located between neighboring subunits and formed by highly conserved residues. The detection and coordination of three ATP phosphate residues by positively charged amino acids are likely to play a dominant role in determining agonist potency, whereas an AsnPheArg motif may contribute to binding by coordinating the adenine ring. Nonconserved ectodomain histidines provide the binding sites for trace metals, divalent cations, and protons. The transmembrane domains account not only for the formation of the channel pore but also for the binding of ivermectin (a specific P2X4R allosteric regulator) and alcohols. The N- and C- domains provide the structures that determine the kinetics of receptor desensitization and/or pore dilation and are critical for the regulation of receptor functions by intracellular messengers, kinases, reactive oxygen species and mercury. The recent publication of the crystal structure of the zebrafish P2X4.1R in a closed state provides a major advance in the understanding of this family of receptor channels. We will discuss data obtained from numerous site-directed mutagenesis experiments accumulated during the last 15 years with reference to the crystal structure, allowing a structural interpretation of the molecular basis of orthosteric and allosteric ligand actions.
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Affiliation(s)
- Claudio Coddou
- Section on Cellular Signaling, Program in Developmental Neuroscience, National Institute of Child Health and Human Developmant, National Institutes of Health, Bethesda, MD 20892-4510, USA
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Zhang X, Liu H, Hu X, Tang G, Zhu J, Zhao Y. Ni(II)/Zn catalyzed reductive coupling of aryl halides with diphenylphosphine oxide in water. Org Lett 2011; 13:3478-81. [PMID: 21619044 DOI: 10.1021/ol201141m] [Citation(s) in RCA: 125] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
P-Arylation in water has been developed via cross-coupling of aryl halides with diphenylphosphine oxide (Ph(2)P(O)H) and (R(P))-(-)-menthyl benzylphosphinate catalyzed by NiCl(2)·6H(2)O/Zn under relatively mild conditions.
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Affiliation(s)
- Xinghua Zhang
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China
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Gupte R, Patil R, Liu J, Wang Y, Lee SC, Fujiwara Y, Fells J, Bolen AL, Emmons-Thompson K, Yates CR, Siddam A, Panupinthu N, Pham TCT, Baker DL, Parrill AL, Mills GB, Tigyi G, Miller DD. Benzyl and naphthalene methylphosphonic acid inhibitors of autotaxin with anti-invasive and anti-metastatic activity. ChemMedChem 2011; 6:922-35. [PMID: 21465666 PMCID: PMC3517046 DOI: 10.1002/cmdc.201000425] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2010] [Revised: 02/21/2011] [Indexed: 02/03/2023]
Abstract
Autotaxin (ATX, NPP2) is a member of the nucleotide pyrophosphate phosphodiesterase enzyme family. ATX catalyzes the hydrolytic cleavage of lysophosphatidylcholine (LPC) by lysophospholipase D activity, which leads to generation of the growth-factor-like lipid mediator lysophosphatidic acid (LPA). ATX is highly upregulated in metastatic and chemotherapy-resistant carcinomas and represents a potential target to mediate cancer invasion and metastasis. Herein we report the synthesis and pharmacological characterization of ATX inhibitors based on the 4-tetradecanoylaminobenzylphosphonic acid scaffold, which was previously found to lack sufficient stability in cellular systems. The new 4-substituted benzylphosphonic acid and 6-substituted naphthalen-2-ylmethylphosphonic acid analogues block ATX activity with K(i) values in the low micromolar to nanomolar range against FS3, LPC, and nucleotide substrates through a mixed-mode inhibition mechanism. None of the compounds tested inhibit the activity of related enzymes (NPP6 and NPP7). In addition, the compounds were evaluated as agonists or antagonists of seven LPA receptor (LPAR) subtypes. Analogues 22 and 30 b, the two most potent ATX inhibitors, inhibit the invasion of MM1 hepatoma cells across murine mesothelial and human vascular endothelial monolayers in vitro in a dose-dependent manner. The average terminal half-life for compound 22 is 10±5.4 h and it causes a long-lasting decrease in plasma LPA levels. Compounds 22 and 30 b significantly decrease lung metastasis of B16-F10 syngeneic mouse melanoma in a post-inoculation treatment paradigm. The 4-substituted benzylphosphonic acids and 6-substituted naphthalen-2-ylmethylphosphonic acids described herein represent new lead compounds that effectively inhibit the ATX-LPA-LPAR axis both in vitro and in vivo.
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Affiliation(s)
- Renuka Gupte
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163 (USA) Fax: (+1) 901 448 3446
| | - Renukadevi Patil
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163 (USA) Fax: (+1) 901 448 3446
| | - Jianxiong Liu
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163 (USA)
| | - Yaohong Wang
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163 (USA)
| | - Sue C. Lee
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163 (USA)
| | - Yuko Fujiwara
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163 (USA)
| | - James Fells
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163 (USA)
| | - Alyssa L. Bolen
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163 (USA)
| | - Karin Emmons-Thompson
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163 (USA) Fax: (+1) 901 448 3446
| | - C. Ryan Yates
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163 (USA) Fax: (+1) 901 448 3446
| | - Anjaih Siddam
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163 (USA) Fax: (+1) 901 448 3446
| | - Nattapon Panupinthu
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77054 (USA)
| | | | - Daniel L. Baker
- Department of Chemistry, University of Memphis, TN 38152 (USA)
| | - Abby L. Parrill
- Department of Chemistry, University of Memphis, TN 38152 (USA),Computational Research on Materials Institute, University of Memphis, TN 38152 (USA)
| | - Gordon B. Mills
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77054 (USA)
| | - Gabor Tigyi
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163 (USA)
| | - Duane D. Miller
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN 38163 (USA) Fax: (+1) 901 448 3446
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Mahaut-Smith MP, Jones S, Evans RJ. The P2X1 receptor and platelet function. Purinergic Signal 2011; 7:341-56. [PMID: 21484087 PMCID: PMC3166991 DOI: 10.1007/s11302-011-9224-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2010] [Accepted: 02/22/2011] [Indexed: 12/17/2022] Open
Abstract
Extracellular nucleotides are ubiquitous signalling molecules, acting via the P2 class of surface receptors. Platelets express three P2 receptor subtypes, ADP-dependent P2Y1 and P2Y12 G-protein-coupled receptors and the ATP-gated P2X1 non-selective cation channel. Platelet P2X1 receptors can generate significant increases in intracellular Ca(2+), leading to shape change, movement of secretory granules and low levels of α(IIb)β(3) integrin activation. P2X1 can also synergise with several other receptors to amplify signalling and functional events in the platelet. In particular, activation of P2X1 receptors by ATP released from dense granules amplifies the aggregation responses to low levels of the major agonists, collagen and thrombin. In vivo studies using transgenic murine models show that P2X1 receptors amplify localised thrombosis following damage of small arteries and arterioles and also contribute to thromboembolism induced by intravenous co-injection of collagen and adrenaline. In vitro, under flow conditions, P2X1 receptors contribute more to aggregate formation on collagen-coated surfaces as the shear rate is increased, which may explain their greater contribution to localised thrombosis in arterioles compared to venules within in vivo models. Since shear increases substantially near sites of stenosis, anti-P2X1 therapy represents a potential means of reducing thrombotic events at atherosclerotic plaques.
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Affiliation(s)
- Martyn P Mahaut-Smith
- Department of Cell Physiology and Pharmacology, University of Leicester, Leicester, LE1 9HN, UK,
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Pharmacochemistry of the platelet purinergic receptors. Purinergic Signal 2011; 7:305-24. [PMID: 21484092 DOI: 10.1007/s11302-011-9216-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2010] [Accepted: 01/11/2011] [Indexed: 10/18/2022] Open
Abstract
Platelets contain at least five purinergic G protein-coupled receptors, e.g., the pro-aggregatory P2Y(1) and P2Y(12) receptors, a P2Y(14) receptor (GPR105) of unknown function, and anti-aggregatory A(2A) and A(2B) adenosine receptor (ARs), in addition to the ligand-gated P2X1 ion channel. Probing the structure-activity relationships (SARs) of the P2X and P2Y receptors for extracellular nucleotides has resulted in numerous new agonist and antagonist ligands. Selective agents derived from known ligands and novel chemotypes can be used to help define the subtypes pharmacologically. Some of these agents have entered into clinical trials in spite of the challenges of drug development for these classes of receptors. The functional architecture of P2 receptors was extensively explored using mutagenesis and molecular modeling, which are useful tools in drug discovery. In general, novel drug delivery methods, prodrug approaches, allosteric modulation, and biased agonism would be desirable to overcome side effects that tend to occur even with receptor subtype-selective ligands. Detailed SAR analyses have been constructed for nucleotide and non-nucleotide ligands at the P2Y(1), P2Y(12), and P2Y(14) receptors. The thienopyridine antithrombotic drugs Clopidogrel and Prasugrel require enzymatic pre-activation in vivo and react irreversibly with the P2Y(12) receptor. There is much pharmaceutical development activity aimed at identifying reversible P2Y(12) receptor antagonists. The screening of chemically diverse compound libraries has identified novel chemotypes that act as competitive, non-nucleotide antagonists of the P2Y(1) receptor or the P2Y(12) receptor, and antithrombotic properties of the structurally optimized analogues were demonstrated. In silico screening at the A(2A) AR has identified antagonist molecules having novel chemotypes. Fluorescent and other reporter groups incorporated into ligands can enable new technology for receptor assays and imaging. The A(2A) agonist CGS21680 and the P2Y(1) receptor antagonist MRS2500 were derivatized for covalent attachment to polyamidoamine dendrimeric carriers of MW 20,000, and the resulting multivalent conjugates inhibited ADP-promoted platelet aggregation. In conclusion, a wide range of new pharmacological tools is available to control platelet function by interacting with cell surface purine receptors.
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Yoshida A, Kageyama A, Fujino T, Nozawa Y, Yamada S. Loss of muscarinic and purinergic receptors in urinary bladder of rats with hydrochloric acid-induced cystitis. Urology 2010; 76:1017.e7-12. [PMID: 20719367 DOI: 10.1016/j.urology.2010.05.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2009] [Revised: 05/03/2010] [Accepted: 05/05/2010] [Indexed: 01/16/2023]
Abstract
OBJECTIVES To clarify the basic mechanism involved in the pathophysiology of cystitis by characterizing the urodynamic parameters, pharmacologically relevant (muscarinic and purinergic) receptors, and the in vivo release of adenosine triphosphate (ATP) in the bladder of hydrochloric acid (HCl)-treated rats. METHODS The muscarinic and purinergic receptors in rat tissue were measured by radioreceptor assays using (N-methyl-³H) scopolamine methyl chloride ([³H]NMS) and αβ-methylene-ATP (2,8-³H) tetrasodium salt ([³H]αβ-MeATP), respectively. The urodynamic parameters and ATP levels were measured using a cystometric method and the luciferin-luciferase assay, respectively. RESULTS In the HCl-treated rats, the micturition interval and micturition volume were significantly (48% and 55%, respectively, P <.05) decreased and the number of micturitions was significantly (3.2-fold, P <.05) increased compared with those of the control rats. The maximal number of binding sites for [³H]NMS and [³H]αβ-MeATP was significantly (55% and 72%, respectively, P <.001) decreased in the bladder of HCl-treated rats, suggesting downregulation of both muscarinic and purinergic receptors. In the HCl-treated rats, the inhibition constant, K(i), values for oxybutynin, solifenacin, and darifenacin were significantly (1.3-1.4-fold, P <.05) increased, but those for tolterodine and AF-DX116 were unchanged. Similarly, the inhibition constant for A-317491, pyridoxal-phosphate-6-azophenyl-2',4'-disulfonic acid tetrasodium, and MRS2273 was significantly (5.5, 11, and 7.6-fold, respectively, P <.001) increased. Furthermore, the in vivo release of ATP was significantly (P <.05) enhanced in the HCl-treated rat bladder. CONCLUSIONS Both muscarinic and purinergic mechanisms might be, at least in part, associated with the urinary dysfunction due to cystitis.
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Affiliation(s)
- Akira Yoshida
- Department of Pharmacokinetics and Pharmacodynamics and Global Center of Excellence Program, University of Shizuoka School of Pharmaceutical Sciences, Shizuoka, Japan.
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Spampinato V, Tuccitto N, Quici S, Calabrese V, Marletta G, Torrisi A, Licciardello A. Functionalization of oxide surfaces by terpyridine phosphonate ligands: surface reactions and anchoring geometry. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:8400-8406. [PMID: 20349973 DOI: 10.1021/la9048314] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
A strategy for creating a general-purposes surface functionalization platform is reported, based on direct attachment of phosphate groups onto hydroxylated surfaces and subsequent formation of a terpyridine-based monolayer. Such a platform is suitable for the construction, onto technologically relevant oxide surfaces, of single- and multilayer structures of interest in technological applications. In particular, the paper describes the successful attachment of 4-(2,2':6',2''-terpyridine-4-yl)benzenephosphonic acid (1, PPTP) onto a SiO(2) surface previously functionalized by means of Zr-phosphate groups. Two alternative anchoring strategies of the PPTP were explored: (i) a direct one-step way, implying no protection of terpyridinic functionality, and (ii) a three-step way, implying protection and successive deprotection of this group. It was found that, in the first case, the PPTP ligand anchoring to the Zr-containing phosphate layer takes place by means of terpyridinic group. At variance of this, in the second case, due to the protection of the terpyridinic functionality, the anchoring process takes place through the phosphonic group, making the terpyridinic moiety available for further reactions, i.e., multilayer constructs. X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass spectrometry (ToF-SIMS) were used to study the functionalized surfaces, providing information on coverage, chemical structure, and stoichiometry of the various functionalized layers and, among the others, clear evidence of the PPTP linkage and orientation.
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Affiliation(s)
- Valentina Spampinato
- Laboratorio di Superfici Molecolari e Nanotecnologie, Dipartimento di Scienze Chimiche Università degli Studi di Catania, viale A. Doria 6, 95125 Catania, Italy
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