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Pou S, Winter RW, Liebman KM, Dodean RA, Nilsen A, DeBarber A, Doggett JS, Riscoe MK. Synthesis of Deuterated Endochin-Like Quinolones. J Labelled Comp Radiopharm 2024; 67:186-196. [PMID: 38661253 PMCID: PMC11081819 DOI: 10.1002/jlcr.4092] [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] [Received: 01/06/2024] [Revised: 03/05/2024] [Accepted: 03/13/2024] [Indexed: 04/26/2024]
Abstract
Malaria continues to be a serious and debilitating disease. The emergence and spread of high-level resistance to multiple antimalarial drugs by Plasmodium falciparum has brought about an urgent need for new treatments that will be active against multidrug resistant malaria infections. One such treatment, ELQ-331 (MMV-167), an alkoxy carbonate prodrug of 4(1H)-quinolone ELQ-300, is currently in preclinical development with the Medicines for Malaria Venture. Clinical development of ELQ-331 or similar compounds will require the availability of isotopically labeled analogs. Unfortunately, a suitable method for the deuteration of these important compounds was not found in the literature. Here, we describe a facile and scalable method for the deuteration of 4(1H)-quinolone ELQ-300, its alkoxycarbonate prodrug ELQ-331, and their respective N-oxides using deuterated acetic acid.
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Affiliation(s)
- Sovitj Pou
- Medical Research Service, VA Healthcare System, Portland, Oregon, USA
| | - Rolf W Winter
- Medical Research Service, VA Healthcare System, Portland, Oregon, USA
| | | | - Rosie A Dodean
- Medical Research Service, VA Healthcare System, Portland, Oregon, USA
| | - Aaron Nilsen
- Medical Research Service, VA Healthcare System, Portland, Oregon, USA
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University, Portland, Oregon, USA
| | - Andrea DeBarber
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University, Portland, Oregon, USA
| | - J Stone Doggett
- Medical Research Service, VA Healthcare System, Portland, Oregon, USA
- Division of Infectious Diseases, School of Medicine, Oregon Health & Science University, Portland, Oregon, USA
| | - Michael K Riscoe
- Medical Research Service, VA Healthcare System, Portland, Oregon, USA
- Department of Molecular Microbiology & Immunology, Oregon Health & Science University, Portland, Oregon, USA
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2
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Saha P, Das S, Indurthi HK, Kumar R, Roy A, Kalia NP, Sharma DK. Cytochrome bd oxidase: an emerging anti-tubercular drug target. RSC Med Chem 2024; 15:769-787. [PMID: 38516593 PMCID: PMC10953478 DOI: 10.1039/d3md00587a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 01/25/2024] [Indexed: 03/23/2024] Open
Abstract
Cytochrome bd (cyt-bd) oxidase, one of the two terminal oxidases in the Mycobacterium tuberculosis (Mtb) oxidative phosphorylation pathway, plays an indispensable role in maintaining the functionality of the metabolic pathway under stressful conditions. However, the absence of this oxidase in eukaryotic cells allows researchers to select it as a potential drug target for the synthesis of anti-tubercular (anti-TB) molecules. Cyt-bd inhibitors have often been combined with cytochrome bcc/aa3 super-complex inhibitors in anti-TB drug regimens to achieve a desired bactericidal response. The functional redundancy between both the terminal oxidases is responsible for this. The cryo-EM structure of cyt-bd oxidase from Mtb (PDB ID: 7NKZ) further accelerated the research to identify its inhibitor. Herein, we have summarized the reported anti-TB cyt-bd inhibitors, insight into the rationale behind targeting cyt-bd oxidase, and an outline of the architecture of Mtb cyt-bd oxidase.
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Affiliation(s)
- Pallavi Saha
- Department of Pharmaceutical Engg. and Tech, IIT-Banaras Hindu University Varanasi UP 221005 India
| | - Samarpita Das
- Department of Pharmaceutical Engg. and Tech, IIT-Banaras Hindu University Varanasi UP 221005 India
| | - Harish K Indurthi
- Department of Pharmaceutical Engg. and Tech, IIT-Banaras Hindu University Varanasi UP 221005 India
| | - Rohit Kumar
- Department of Pharmaceutical Engg. and Tech, IIT-Banaras Hindu University Varanasi UP 221005 India
| | - Arnab Roy
- Department of Pharmacology and Toxicology, NIPER-Hyderabad Hyderabad 500037 India
| | - Nitin Pal Kalia
- Department of Pharmacology and Toxicology, NIPER-Hyderabad Hyderabad 500037 India
| | - Deepak K Sharma
- Department of Pharmaceutical Engg. and Tech, IIT-Banaras Hindu University Varanasi UP 221005 India
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3
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Ying L, Chen Y, Song X, Song Z. Metal-Free Thiocarbamation of Quinolinones: Direct Access to 3,4-Difunctionalized Quinolines and Quinolinonyl Thiocarbamates at Room Temperature. J Org Chem 2023; 88:13894-13907. [PMID: 37703192 DOI: 10.1021/acs.joc.3c01504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
A novel and practical method for the preparation of difunctionalized quinolines, bearing a thiocarbamate group at the C3-position and an acyloxyl group at the C4-position, and quinolinonyl thiocarbamates from quinolinones, tetraalkylthiuram disulfides, and hypervalent iodine(III) reagents has been developed via thiocarbamation of quinolinones at room temperature. The present method features mild reaction conditions, good tolerance with diverse functional groups, and a wide substrate scope, providing the desired products in good yields. Furthermore, this transformation is easy to scale up, and the desired products can be readily converted to heterocyclic thiols. Most importantly, this protocol allows for the late-stage thiocarbamation of bioactive compounds. Mechanistic studies show that radicals may be involved in this transformation, water is probably the oxygen source of thiocarbamates, and difunctionalized quinolines are possibly formed via nucleophilic attack of carboxylic anions, which derive from hypervalent iodine(III) reagents.
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Affiliation(s)
- Linkun Ying
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Yao Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Xiangrui Song
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Zengqiang Song
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
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Esser L, Zhou F, Zeher A, Wu W, Huang R, Yu CA, Lane KD, Wellems TE, Xia D. Structure of complex III with bound antimalarial agent CK-2-68 provides insights into selective inhibition of Plasmodium cytochrome bc 1 complexes. J Biol Chem 2023; 299:104860. [PMID: 37236355 PMCID: PMC10404626 DOI: 10.1016/j.jbc.2023.104860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 05/17/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
Among the various components of the protozoan Plasmodium mitochondrial respiratory chain, only Complex III is a validated cellular target for antimalarial drugs. The compound CK-2-68 was developed to specifically target the alternate NADH dehydrogenase of the malaria parasite respiratory chain, but the true target for its antimalarial activity has been controversial. Here, we report the cryo-EM structure of mammalian mitochondrial Complex III bound with CK-2-68 and examine the structure-function relationships of the inhibitor's selective action on Plasmodium. We show that CK-2-68 binds specifically to the quinol oxidation site of Complex III, arresting the motion of the iron-sulfur protein subunit, which suggests an inhibition mechanism similar to that of Pf-type Complex III inhibitors such as atovaquone, stigmatellin, and UHDBT. Our results shed light on the mechanisms of observed resistance conferred by mutations, elucidate the molecular basis of the wide therapeutic window of CK-2-68 for selective action of Plasmodium vs. host cytochrome bc1, and provide guidance for future development of antimalarials targeting Complex III.
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Affiliation(s)
- Lothar Esser
- Laboratory of Cell Biology, Center for Cancer Research National Cancer Institute, NIH, Bethesda, Maryland, USA
| | - Fei Zhou
- Laboratory of Cell Biology, Center for Cancer Research National Cancer Institute, NIH, Bethesda, Maryland, USA
| | - Allison Zeher
- Laboratory of Cell Biology, Center for Cancer Research National Cancer Institute, NIH, Bethesda, Maryland, USA; NIH Intramural Cryo-EM Consortium (NICE), Bethesda, Maryland, USA
| | - Weimin Wu
- Center for Molecular Microscopy, Center for Cancer Research, National Cancer Institute, NIH, Frederick, Maryland, USA
| | - Rick Huang
- Laboratory of Cell Biology, Center for Cancer Research National Cancer Institute, NIH, Bethesda, Maryland, USA; NIH Intramural Cryo-EM Consortium (NICE), Bethesda, Maryland, USA
| | - Chang-An Yu
- Department of Biochemistry, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Kristin D Lane
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - Thomas E Wellems
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - Di Xia
- Laboratory of Cell Biology, Center for Cancer Research National Cancer Institute, NIH, Bethesda, Maryland, USA.
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5
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Recent Advances in the Synthesis and Applications of m-Aryloxy Phenols. Molecules 2023; 28:molecules28062657. [PMID: 36985628 PMCID: PMC10056990 DOI: 10.3390/molecules28062657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/11/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023] Open
Abstract
Since phenol derivatives have high potential as building blocks for the synthesis of bioactive natural products and conducting polymers, many synthesis methods have been invented. In recent years, innovative synthetic methods have been developed for the preparation of m-aryloxy phenols, which has allowed for the preparation of complex m-aryloxy phenols with functional groups, such as esters, nitriles, and halogens, that impart specific properties of these compounds. This review provides an overview of recent advances in synthetic strategies for m-aryloxy phenols and their potential biological activities. This paper highlights the importance of m-aryloxy phenols in various industries, including plastics, adhesives, and coatings, and it discusses their applications as antioxidants, ultraviolet absorbers, and flame retardants.
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Jeffreys LN, Ardrey A, Hafiz TA, Dyer LA, Warman AJ, Mosallam N, Nixon GL, Fisher NE, Hong WD, Leung SC, Aljayyoussi G, Bibby J, Almeida DV, Converse PJ, Fotouhi N, Berry NG, Nuermberger EL, Upton AM, O'Neill PM, Ward SA, Biagini GA. Identification of 2-Aryl-Quinolone Inhibitors of Cytochrome bd and Chemical Validation of Combination Strategies for Respiratory Inhibitors against Mycobacterium tuberculosis. ACS Infect Dis 2023; 9:221-238. [PMID: 36606559 PMCID: PMC9926492 DOI: 10.1021/acsinfecdis.2c00283] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Mycobacterium tuberculosis cytochrome bd quinol oxidase (cyt bd), the alternative terminal oxidase of the respiratory chain, has been identified as playing a key role during chronic infection and presents a putative target for the development of novel antitubercular agents. Here, we report confirmation of successful heterologous expression of M. tuberculosis cytochrome bd. The heterologous M. tuberculosis cytochrome bd expression system was used to identify a chemical series of inhibitors based on the 2-aryl-quinolone pharmacophore. Cytochrome bd inhibitors displayed modest efficacy in M. tuberculosis growth suppression assays together with a bacteriostatic phenotype in time-kill curve assays. Significantly, however, inhibitor combinations containing our front-runner cyt bd inhibitor CK-2-63 with either cyt bcc-aa3 inhibitors (e.g., Q203) and/or adenosine triphosphate (ATP) synthase inhibitors (e.g., bedaquiline) displayed enhanced efficacy with respect to the reduction of mycobacterium oxygen consumption, growth suppression, and in vitro sterilization kinetics. In vivo combinations of Q203 and CK-2-63 resulted in a modest lowering of lung burden compared to treatment with Q203 alone. The reduced efficacy in the in vivo experiments compared to in vitro experiments was shown to be a result of high plasma protein binding and a low unbound drug exposure at the target site. While further development is required to improve the tractability of cyt bd inhibitors for clinical evaluation, these data support the approach of using small-molecule inhibitors to target multiple components of the branched respiratory chain of M. tuberculosis as a combination strategy to improve therapeutic and pharmacokinetic/pharmacodynamic (PK/PD) indices related to efficacy.
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Affiliation(s)
- Laura N Jeffreys
- Centre for Drugs and Diagnostics, Department of Tropical Infectious Diseases, Liverpool School of Tropical Medicine, Pembroke Place, LiverpoolL3 5QA, U.K
| | - Alison Ardrey
- Centre for Drugs and Diagnostics, Department of Tropical Infectious Diseases, Liverpool School of Tropical Medicine, Pembroke Place, LiverpoolL3 5QA, U.K
| | - Taghreed A Hafiz
- Centre for Drugs and Diagnostics, Department of Tropical Infectious Diseases, Liverpool School of Tropical Medicine, Pembroke Place, LiverpoolL3 5QA, U.K
| | - Lauri-Anne Dyer
- Centre for Drugs and Diagnostics, Department of Tropical Infectious Diseases, Liverpool School of Tropical Medicine, Pembroke Place, LiverpoolL3 5QA, U.K
| | - Ashley J Warman
- Centre for Drugs and Diagnostics, Department of Tropical Infectious Diseases, Liverpool School of Tropical Medicine, Pembroke Place, LiverpoolL3 5QA, U.K
| | - Nada Mosallam
- Department of Chemistry, University of Liverpool, LiverpoolL69 7ZD, U.K
| | - Gemma L Nixon
- Department of Chemistry, University of Liverpool, LiverpoolL69 7ZD, U.K
| | - Nicholas E Fisher
- Centre for Drugs and Diagnostics, Department of Tropical Infectious Diseases, Liverpool School of Tropical Medicine, Pembroke Place, LiverpoolL3 5QA, U.K
| | - W David Hong
- Department of Chemistry, University of Liverpool, LiverpoolL69 7ZD, U.K
| | - Suet C Leung
- Department of Chemistry, University of Liverpool, LiverpoolL69 7ZD, U.K
| | - Ghaith Aljayyoussi
- Centre for Drugs and Diagnostics, Department of Tropical Infectious Diseases, Liverpool School of Tropical Medicine, Pembroke Place, LiverpoolL3 5QA, U.K
| | - Jaclyn Bibby
- Department of Chemistry, University of Liverpool, LiverpoolL69 7ZD, U.K
| | - Deepak V Almeida
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland21205, United States
| | - Paul J Converse
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland21205, United States
| | - Nader Fotouhi
- Global Alliance for TB Drug Development, New York, New York10005, United States
| | - Neil G Berry
- Department of Chemistry, University of Liverpool, LiverpoolL69 7ZD, U.K
| | - Eric L Nuermberger
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland21205, United States
| | - Anna M Upton
- Global Alliance for TB Drug Development, New York, New York10005, United States.,Evotec (US) Inc., 303B College Road East, Princeton, New Jersey08540, United States
| | - Paul M O'Neill
- Department of Chemistry, University of Liverpool, LiverpoolL69 7ZD, U.K
| | - Stephen A Ward
- Centre for Drugs and Diagnostics, Department of Tropical Infectious Diseases, Liverpool School of Tropical Medicine, Pembroke Place, LiverpoolL3 5QA, U.K
| | - Giancarlo A Biagini
- Centre for Drugs and Diagnostics, Department of Tropical Infectious Diseases, Liverpool School of Tropical Medicine, Pembroke Place, LiverpoolL3 5QA, U.K
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7
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Alday PH, Nilsen A, Doggett JS. Structure-activity relationships of Toxoplasma gondii cytochrome bc1 inhibitors. Expert Opin Drug Discov 2022; 17:997-1011. [PMID: 35772172 PMCID: PMC9561756 DOI: 10.1080/17460441.2022.2096588] [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] [Received: 04/18/2022] [Accepted: 06/28/2022] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Toxoplasma gondii is a prolific apicomplexan parasite that infects human and nonhuman animals worldwide and can cause severe brain and eye disease. Safer, more effective therapies for toxoplasmosis are needed. Cytochrome bc1 inhibitors are remarkably effective against toxoplasmosis and other apicomplexan-caused diseases. AREAS COVERED This work reviews T. gondii cytochrome bc1 inhibitors. Emphasis is placed on the structure-activity relationships of these inhibitors with regard to efficacy, pharmacokinetics, selectivity of T. gondii cytochrome bc1 over host, safety, and potential therapeutic strategies. EXPERT OPINION Cytochrome bc1 inhibitors are highly promising compounds for toxoplasmosis that have been effective in clinical and preclinical studies. Clinical experience with atovaquone previously validated cytochrome bc1 as a tractable drug target and, over the past decade, optimization of cytochrome bc1 inhibitors has resulted in improved bioavailability, metabolic stability, potency, blood-brain barrier penetration, and selectivity for the T. gondii cytochrome bc1 over the mammalian bc1. Recent studies have demonstrated preclinical safety, identified novel therapeutic strategies for toxoplasmosis using synergistic combinations or long-acting administration and provided insight into their role in chronic infection. This research has identified drug candidates that are more effective than clinically used drugs in preclinical measures of efficacy.
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Affiliation(s)
- Phil Holland Alday
- Portland VA Medical Center, Portland, Oregon, USA
- Oregon Health & Science University, Portland, Oregon, USA
| | - Aaron Nilsen
- Portland VA Medical Center, Portland, Oregon, USA
- Oregon Health & Science University, Portland, Oregon, USA
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8
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Amporndanai K, Pinthong N, O’Neill PM, Hong WD, Amewu RK, Pidathala C, Berry NG, Leung SC, Ward SA, Biagini GA, Hasnain SS, Antonyuk SV. Targeting the Ubiquinol-Reduction (Q i) Site of the Mitochondrial Cytochrome bc1 Complex for the Development of Next Generation Quinolone Antimalarials. BIOLOGY 2022; 11:biology11081109. [PMID: 35892964 PMCID: PMC9330653 DOI: 10.3390/biology11081109] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/11/2022] [Accepted: 07/18/2022] [Indexed: 11/16/2022]
Abstract
Antimalarials targeting the ubiquinol-oxidation (Qo) site of the Plasmodium falciparum bc1 complex, such as atovaquone, have become less effective due to the rapid emergence of resistance linked to point mutations in the Qo site. Recent findings showed a series of 2-aryl quinolones mediate inhibitions of this complex by binding to the ubiquinone-reduction (Qi) site, which offers a potential advantage in circumventing drug resistance. Since it is essential to understand how 2-aryl quinolone lead compounds bind within the Qi site, here we describe the co-crystallization and structure elucidation of the bovine cytochrome bc1 complex with three different antimalarial 4(1H)-quinolone sub-types, including two 2-aryl quinolone derivatives and a 3-aryl quinolone analogue for comparison. Currently, no structural information is available for Plasmodial cytochrome bc1. Our crystallographic studies have enabled comparison of an in-silico homology docking model of P. falciparum with the mammalian's equivalent, enabling an examination of how binding compares for the 2- versus 3-aryl analogues. Based on crystallographic and computational modeling, key differences in human and P. falciparum Qi sites have been mapped that provide new insights that can be exploited for the development of next-generation antimalarials with greater selective inhibitory activity against the parasite bc1 with improved antimalarial properties.
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Affiliation(s)
- Kangsa Amporndanai
- Molecular Biophysics Group, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Liverpool L69 7ZB, UK; (K.A.); (N.P.); (S.S.H.)
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, TN 37232-0146, USA
| | - Nattapon Pinthong
- Molecular Biophysics Group, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Liverpool L69 7ZB, UK; (K.A.); (N.P.); (S.S.H.)
- Department of Protozoology, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Paul M. O’Neill
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, UK; (W.D.H.); (R.K.A.); (C.P.); (N.G.B.); (S.C.L.)
- Correspondence: (P.M.O.); (S.V.A.); Tel.: +44-(0)-1517955145 (S.V.A.); +44-(0)-1517943552 (P.M.O.)
| | - W. David Hong
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, UK; (W.D.H.); (R.K.A.); (C.P.); (N.G.B.); (S.C.L.)
| | - Richard K. Amewu
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, UK; (W.D.H.); (R.K.A.); (C.P.); (N.G.B.); (S.C.L.)
- Department of Chemistry, School of Physical and Mathematical Sciences, University of Ghana, Accra P.O. Box LG 586, Ghana
| | - Chandrakala Pidathala
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, UK; (W.D.H.); (R.K.A.); (C.P.); (N.G.B.); (S.C.L.)
- Composite Interceptive Med-Science Laboratories Pvt. Ltd., Bengaluru 60099, Karnataka, India
| | - Neil G. Berry
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, UK; (W.D.H.); (R.K.A.); (C.P.); (N.G.B.); (S.C.L.)
| | - Suet C. Leung
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, UK; (W.D.H.); (R.K.A.); (C.P.); (N.G.B.); (S.C.L.)
| | - Stephen A. Ward
- Centre for Drugs and Diagnostics, Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool L3 5QA, UK; (S.A.W.); (G.A.B.)
| | - Giancarlo A. Biagini
- Centre for Drugs and Diagnostics, Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool L3 5QA, UK; (S.A.W.); (G.A.B.)
| | - S. Samar Hasnain
- Molecular Biophysics Group, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Liverpool L69 7ZB, UK; (K.A.); (N.P.); (S.S.H.)
| | - Svetlana V. Antonyuk
- Molecular Biophysics Group, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Liverpool L69 7ZB, UK; (K.A.); (N.P.); (S.S.H.)
- Correspondence: (P.M.O.); (S.V.A.); Tel.: +44-(0)-1517955145 (S.V.A.); +44-(0)-1517943552 (P.M.O.)
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Bernard MM, Mohanty A, Rajendran V. Title: A Comprehensive Review on Classifying Fast-acting and Slow-acting Antimalarial Agents Based on Time of Action and Target Organelle of Plasmodium sp. Pathog Dis 2022; 80:6589403. [PMID: 35588061 DOI: 10.1093/femspd/ftac015] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 03/20/2022] [Accepted: 05/17/2022] [Indexed: 11/13/2022] Open
Abstract
The clinical resistance towards malarial parasites has rendered many antimalarials ineffective, likely due to a lack of understanding of time of action and stage specificity of all life stages. Therefore, to tackle this problem a more incisive comprehensive analysis of the fast and slow-acting profile of antimalarial agents relating to parasite time-kill kinetics and the target organelle on the progression of blood-stage parasites was carried out. It is evident from numerous findings that drugs targeting food vacuole, nuclear components, and endoplasmic reticulum mainly exhibit a fast-killing phenotype within 24h affecting first-cycle activity. Whereas drugs targeting mitochondria, apicoplast, microtubules, parasite invasion and egress exhibit a largely slow-killing phenotype within 96-120h, affecting second-cycle activity with few exemptions as moderately fast-killing. It is essential to understand the susceptibility of drugs on rings, trophozoites, schizonts, merozoites, and the appearance of organelle at each stage of 48h intraerythrocytic parasite cycle. Therefore, these parameters may facilitate the paradigm for understanding the timing of antimalarials action in deciphering its precise mechanism linked with time. Thus, classifying drugs based on the time of killing may promote designing new combination regimens against varied strains of P. falciparum and evaluating potential clinical resistance.
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Affiliation(s)
- Monika Marie Bernard
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry 605014, India
| | - Abhinab Mohanty
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry 605014, India
| | - Vinoth Rajendran
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry 605014, India
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10
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Ojha R, Chen IC, Hsieh CM, Nepali K, Lai RW, Hsu KC, Lin TE, Pan SL, Chen MC, Liou JP. Installation of Pargyline, a LSD1 Inhibitor, in the HDAC Inhibitory Template Culminated in the Identification of a Tractable Antiprostate Cancer Agent. J Med Chem 2021; 64:17824-17845. [PMID: 34908406 DOI: 10.1021/acs.jmedchem.1c00966] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Pragmatic insertion of pargyline, a LSD1 inhibitor, as a surface recognition part in the HDAC inhibitory pharmacophore was planned in pursuit of furnishing potent antiprostate cancer agents. Resultantly, compound 14 elicited magnificent cell growth inhibitory effects against the PC-3 and DU-145 cell lines and led to remarkable suppression of tumor growth in human prostate PC-3 and DU-145 xenograft nude mouse models. The outcome of the enzymatic assays ascertained that the substantial antiproliferative effects of compound 14 were mediated through HDAC6 isoform inhibition as well as selective MAO-A and LSD1 inhibition. Moreover, the signatory feature of LSD1 inhibition by 14 in the context of H3K4ME2 accumulation was clearly evident from the results of western blot analysis. Gratifyingly, hydroxamic acid 14 demonstrates good human hepatocytic stability and good oral bioavailability in rats and exhibits enough promise to emerge as a therapeutic for the treatment of prostate cancer in the near future.
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Affiliation(s)
- Ritu Ojha
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110031, Taiwan
| | - I-Chung Chen
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110031, Taiwan
| | - Chien-Ming Hsieh
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110031, Taiwan.,TMU Research Center of Drug Discovery, Taipei Medical University, Taipei 110031, Taiwan
| | - Kunal Nepali
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110031, Taiwan.,TMU Research Center of Drug Discovery, Taipei Medical University, Taipei 110031, Taiwan
| | - Row-Wen Lai
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110031, Taiwan
| | - Kai-Cheng Hsu
- Graduate Institute of Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 110031, Taiwan.,TMU Research Center of Drug Discovery, Taipei Medical University, Taipei 110031, Taiwan.,Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei 110031, Taiwan
| | - Tony Eight Lin
- Master Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 110031, Taiwan
| | - Shiow-Lin Pan
- Graduate Institute of Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 110031, Taiwan.,TMU Research Center of Drug Discovery, Taipei Medical University, Taipei 110031, Taiwan.,Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei 110031, Taiwan
| | - Mei-Chuan Chen
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110031, Taiwan.,TMU Research Center of Drug Discovery, Taipei Medical University, Taipei 110031, Taiwan.,Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei 110031, Taiwan.,Traditional Herbal Medicine Research Center, Taipei Medical University Hospital, Taipei 110031, Taiwan.,Clinical Drug Development of Herbal Medicine, College of Pharmacy, Taipei Medical University, Taipei 110031, Taiwan
| | - Jing-Ping Liou
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110031, Taiwan.,TMU Research Center of Drug Discovery, Taipei Medical University, Taipei 110031, Taiwan
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11
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Yang F, Wang X, Zhao W, Yu F, Yu Z. Hypervalent Iodine(III)-Promoted C3-H Regioselective Halogenation of 4-Quinolones under Mild Conditions. ACS OMEGA 2021; 6:34044-34055. [PMID: 34926952 PMCID: PMC8675166 DOI: 10.1021/acsomega.1c05455] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 11/17/2021] [Indexed: 06/14/2023]
Abstract
A simple and practical protocol for the C3-H regioselective halogenation of 4-quinolones by the action of potassium halide salt and PIFA/PIDA in good to excellent yields was developed. The current approach provides feasible access to the diversity of C3-halgenated 4-quinolones at room temperature with high regioselectivity and good functional group tolerance, from which bioactive compounds can be easily constructed. Moreover, the current method featured eco-friendly, operational convenience and is suitable for halogenation in a gram scale of 4-quinolones in water without sacrificing yields.
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Affiliation(s)
- Fang Yang
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
| | - Xiaoqing Wang
- Colleges
of Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic
of China
| | - Wenzhuo Zhao
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
| | - Fei Yu
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
| | - Zhengsen Yu
- The
Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic
Micro-organism, College of Life Science, Hebei Agriculture University, Baoding, Hebei 071001, People’s Republic of China
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12
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Wieczorek-Błauż A, Kowalczyk K, Błauż A, Makal A, Pawlędzio S, Eurtivong C, Arabshahi HJ, Reynisson J, Hartinger CG, Rychlik B, Plażuk D. Impact of the ferrocenyl group on cytotoxicity and KSP inhibitory activity of ferrocenyl monastrol conjugates. Dalton Trans 2021; 51:491-508. [PMID: 34787141 DOI: 10.1039/d1dt03553c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The incorporation of the ferrocenyl moiety into a bioactive molecule may significantly alter the activity of the resulting conjugate. By applying this strategy, we designed ferrocenyl analogs of monastrol - the first low molecular weight kinesin spindle protein (KSP) inhibitor. The obtained compounds showed low micromolar antiproliferative activity towards a panel of sensitive and ABC-overexpressing cancer cells. Most cytotoxic compounds exhibited also higher KSP modulatory activity and ability for ROS generation compared to monastrol. The increased bioactivity of the studied compounds can be attributed to the presence of the ferrocenyl group.
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Affiliation(s)
- Anna Wieczorek-Błauż
- Department of Organic Chemistry, Faculty of Chemistry, University of Łódź, Tamka 12, 91-403 Łódź, Poland.
| | - Karolina Kowalczyk
- Department of Organic Chemistry, Faculty of Chemistry, University of Łódź, Tamka 12, 91-403 Łódź, Poland.
| | - Andrzej Błauż
- Cytometry Lab, Department of Molecular Biophysics, Faculty of Biology and Environmental Protection University of Łódź, Pomorska 141/143, 90-236 Łódź, Poland
| | - Anna Makal
- Laboratory for Structural and Biochemical Research, Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, ul. Żwirki i Wigury 101, 02-089 Warszawa, Poland
| | - Sylwia Pawlędzio
- Laboratory for Structural and Biochemical Research, Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, ul. Żwirki i Wigury 101, 02-089 Warszawa, Poland
| | - Chatchakorn Eurtivong
- Program in Chemical Science, Chulabhorn Graduate Institute, Chulabhorn Royal Academy, Bangkok 10210, Thailand.,Center of Excellence on Environmental Health and Toxicology (EHT), Commission on Higher Education (CHE), Ministry of Education, Bangkok 10400, Thailand
| | - Homayon J Arabshahi
- School of Chemical Sciences, University of Auckland, Auckland 1142, New Zealand
| | - Jóhannes Reynisson
- School of Chemical Sciences, University of Auckland, Auckland 1142, New Zealand.,School of Pharmacy and Bioengineering, Keele University, Staffordshire ST5 5BG, UK
| | | | - Błażej Rychlik
- Cytometry Lab, Department of Molecular Biophysics, Faculty of Biology and Environmental Protection University of Łódź, Pomorska 141/143, 90-236 Łódź, Poland
| | - Damian Plażuk
- Department of Organic Chemistry, Faculty of Chemistry, University of Łódź, Tamka 12, 91-403 Łódź, Poland.
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13
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Koumpoura CL, Robert A, Athanassopoulos CM, Baltas M. Antimalarial Inhibitors Targeting Epigenetics or Mitochondria in Plasmodium falciparum: Recent Survey upon Synthesis and Biological Evaluation of Potential Drugs against Malaria. Molecules 2021; 26:molecules26185711. [PMID: 34577183 PMCID: PMC8467436 DOI: 10.3390/molecules26185711] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 09/14/2021] [Accepted: 09/16/2021] [Indexed: 12/01/2022] Open
Abstract
Despite many efforts, malaria remains among the most problematic infectious diseases worldwide, mainly due to the development of drug resistance by P. falciparum. Over the past decade, new essential pathways have been emerged to fight against malaria. Among them, epigenetic processes and mitochondrial metabolism appear to be important targets. This review will focus on recent evolutions concerning worldwide efforts to conceive, synthesize and evaluate new drug candidates interfering selectively and efficiently with these two targets and pathways. The focus will be on compounds/scaffolds that possess biological/pharmacophoric properties on DNA methyltransferases and HDAC’s for epigenetics, and on cytochrome bc1 and dihydroorotate dehydrogenase for mitochondrion.
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Affiliation(s)
- Christina L. Koumpoura
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT, Inserm ERL 1289, 205 Route de Narbonne, BP 44099, CEDEX 4, F-31077 Toulouse, France; (C.L.K.); (A.R.)
| | - Anne Robert
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT, Inserm ERL 1289, 205 Route de Narbonne, BP 44099, CEDEX 4, F-31077 Toulouse, France; (C.L.K.); (A.R.)
| | | | - Michel Baltas
- CNRS, LCC (Laboratoire de Chimie de Coordination), Université de Toulouse, UPS, INPT, Inserm ERL 1289, 205 Route de Narbonne, BP 44099, CEDEX 4, F-31077 Toulouse, France; (C.L.K.); (A.R.)
- Correspondence:
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14
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Pou S, Dodean RA, Frueh L, Liebman KM, Gallagher RT, Jin H, Jacobs RT, Nilsen A, Stuart DR, Doggett JS, Riscoe MK, Winter RW. A New Scalable Synthesis of ELQ-300, ELQ-316, and other Antiparasitic Quinolones. Org Process Res Dev 2021; 25:1841-1852. [PMID: 35110959 DOI: 10.1021/acs.oprd.1c00099] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The Endochin-Like Quinolone (ELQ) compound class may yield effective, safe treatments for a range of important human and animal afflictions. However, to access the public health potential of this compound series, a synthetic route needed to be devised that lowers costs and is amenable to large scale production. In the new synthetic route described here, a substituted β-keto ester, formed by an Ullmann reaction and subsequent acylation, is reacted with an aniline via a Conrad-Limpach reaction to produce 3-substituted 4(1H)-quinolones such as ELQ-300 and ELQ-316. This synthetic route, the first described to be truly amenable to industrial scale production, is relatively short (5 reaction steps), does not require palladium, chromatographic separation or protecting group chemistry, and may be performed without high vacuum distillation.
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Affiliation(s)
- Sovitj Pou
- VA Portland Healthcare System, 3710 SW US Veterans Hospital Road, Portland, Oregon 97239, United States
| | - Rozalia A Dodean
- VA Portland Healthcare System, 3710 SW US Veterans Hospital Road, Portland, Oregon 97239, United States
| | - Lisa Frueh
- VA Portland Healthcare System, 3710 SW US Veterans Hospital Road, Portland, Oregon 97239, United States
| | - Katherine M Liebman
- VA Portland Healthcare System, 3710 SW US Veterans Hospital Road, Portland, Oregon 97239, United States
| | - Rory T Gallagher
- Department of Chemistry, Portland State University, 1719 SW 10 Avenue, Portland, Oregon 97201, United States
| | - Haihong Jin
- Medicinal Chemistry Core, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239, United States
| | - Robert T Jacobs
- Medicines for Malaria Venture, ICC, route de Pré-Bois 20, P.O. Box 1826, 1215 Geneva 15, Switzerland
| | - Aaron Nilsen
- VA Portland Healthcare System, 3710 SW US Veterans Hospital Road, Portland, Oregon 97239, United States.,Medicinal Chemistry Core, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239, United States
| | - David R Stuart
- Department of Chemistry, Portland State University, 1719 SW 10 Avenue, Portland, Oregon 97201, United States
| | - J Stone Doggett
- VA Portland Healthcare System, 3710 SW US Veterans Hospital Road, Portland, Oregon 97239, United States.,School of Medicine Division of Infectious Diseases, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239, United States
| | - Michael K Riscoe
- VA Portland Healthcare System, 3710 SW US Veterans Hospital Road, Portland, Oregon 97239, United States.,Department of Microbiology and Molecular Immunology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239, United States
| | - Rolf W Winter
- VA Portland Healthcare System, 3710 SW US Veterans Hospital Road, Portland, Oregon 97239, United States
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15
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A Yeast-Based Drug Discovery Platform To Identify Plasmodium falciparum Type II NADH Dehydrogenase Inhibitors. Antimicrob Agents Chemother 2021; 65:AAC.02470-20. [PMID: 33722883 DOI: 10.1128/aac.02470-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 03/08/2021] [Indexed: 11/20/2022] Open
Abstract
Conventional methods utilizing in vitro protein activity assay or in vivo parasite survival to screen for malaria inhibitors suffer from high experimental background and/or inconvenience. Here, we introduce a yeast-based system to facilitate chemical screening for specific protein or pathway inhibitors. The platform comprises several isogeneic Pichia strains that differ only in the target of interest, so that a compound which inhibits one strain but not the other is implicated in working specifically against the target. We used Plasmodium falciparum NDH2 (PfNDH2), a type II NADH dehydrogenase, as a proof of principle to show how well this works. Three isogenic Pichia strains harboring, respectively, exogeneously introduced PfNDH2, its own complex I (a type I NADH dehydrogenase), and PfNDH2 with its own complex I, were constructed. In a pilot screen of more than 2,000 compounds, we identified a highly specific inhibitor that acts on PfNDH2. This compound poorly inhibits the parasites at the asexual blood stage; however, is highly effective in repressing oocyst maturation in the mosquito stage. Our results demonstrate that the yeast cell-based screen platform is feasible, efficient, economical, and has very low background noise. Similar strategies could be extended to the functional screen for interacting molecules of other targets.
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16
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Monastyrskyi A, Brockmeyer F, LaCrue AN, Zhao Y, Maher SP, Maignan JR, Padin-Irizarry V, Sakhno YI, Parvatkar PT, Asakawa AH, Huang L, Casandra D, Mashkouri S, Kyle DE, Manetsch R. Aminoalkoxycarbonyloxymethyl Ether Prodrugs with a pH-Triggered Release Mechanism: A Case Study Improving the Solubility, Bioavailability, and Efficacy of Antimalarial 4(1 H)-Quinolones with Single Dose Cures. J Med Chem 2021; 64:6581-6595. [PMID: 33979164 DOI: 10.1021/acs.jmedchem.0c01104] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Preclinical and clinical development of numerous small molecules is prevented by their poor aqueous solubility, limited absorption, and oral bioavailability. Herein, we disclose a general prodrug approach that converts promising lead compounds into aminoalkoxycarbonyloxymethyl (amino AOCOM) ether-substituted analogues that display significantly improved aqueous solubility and enhanced oral bioavailability, restoring key requirements typical for drug candidate profiles. The prodrug is completely independent of biotransformations and animal-independent because it becomes an active compound via a pH-triggered intramolecular cyclization-elimination reaction. As a proof-of-concept, the utility of this novel amino AOCOM ether prodrug approach was demonstrated on an antimalarial compound series representing a variety of antimalarial 4(1H)-quinolones, which entered and failed preclinical development over the last decade. With the amino AOCOM ether prodrug moiety, the 3-aryl-4(1H)-quinolone preclinical candidate was shown to provide single-dose cures in a rodent malaria model at an oral dose of 3 mg/kg, without the use of an advanced formulation technique.
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Affiliation(s)
- Andrii Monastyrskyi
- Department of Chemistry, University of South Florida, CHE 205, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Fabian Brockmeyer
- Department of Chemistry and Chemical Biology, Northeastern University, 360 Huntington Avenue, 102 Hurtig Hall, Boston, Massachusetts 02115, United States
| | - Alexis N LaCrue
- Department of Global Health, College of Public Health, University of South Florida, 3720 Spectrum Blvd, Suite 304, Tampa, Florida 33612, United States
| | - Yingzhao Zhao
- Department of Chemistry and Chemical Biology, Northeastern University, 360 Huntington Avenue, 102 Hurtig Hall, Boston, Massachusetts 02115, United States
| | - Steven P Maher
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, Coverdell Center, Rm 370B, 500 DW Brooks Drive, Athens, Georgia 30602, United States
| | - Jordany R Maignan
- Department of Chemistry, University of South Florida, CHE 205, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Vivian Padin-Irizarry
- Department of Biology, Clayton State University, 2000 Clayton State Boulevard, Morrow, Georgia 30260, United States.,Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, Coverdell Center, Rm 370B, 500 DW Brooks Drive, Athens, Georgia 30602, United States
| | - Yana I Sakhno
- Department of Chemistry, University of South Florida, CHE 205, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Prakash T Parvatkar
- Department of Chemistry and Chemical Biology, Northeastern University, 360 Huntington Avenue, 102 Hurtig Hall, Boston, Massachusetts 02115, United States
| | - Ami H Asakawa
- Department of Pharmaceutical Sciences, Northeastern University, 102 Hurtig Hall, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Lili Huang
- Department of Chemistry and Chemical Biology, Northeastern University, 360 Huntington Avenue, 102 Hurtig Hall, Boston, Massachusetts 02115, United States
| | - Debora Casandra
- Department of Global Health, College of Public Health, University of South Florida, 3720 Spectrum Blvd, Suite 304, Tampa, Florida 33612, United States
| | - Sherwin Mashkouri
- Department of Global Health, College of Public Health, University of South Florida, 3720 Spectrum Blvd, Suite 304, Tampa, Florida 33612, United States
| | - Dennis E Kyle
- Department of Global Health, College of Public Health, University of South Florida, 3720 Spectrum Blvd, Suite 304, Tampa, Florida 33612, United States.,Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, Coverdell Center, Rm 370B, 500 DW Brooks Drive, Athens, Georgia 30602, United States
| | - Roman Manetsch
- Department of Chemistry, University of South Florida, CHE 205, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States.,Department of Chemistry and Chemical Biology, Northeastern University, 360 Huntington Avenue, 102 Hurtig Hall, Boston, Massachusetts 02115, United States.,Department of Pharmaceutical Sciences, Northeastern University, 102 Hurtig Hall, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
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17
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Ronzon Q, Zhang W, Casaretto N, Mouray E, Florent I, Nay B. Programmed Multiple C-H Bond Functionalization of the Privileged 4-hydroxyquinoline Template. Chemistry 2021; 27:7764-7772. [PMID: 33848033 DOI: 10.1002/chem.202100929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Indexed: 11/12/2022]
Abstract
The introduction of substituents on bare heterocyclic scaffolds can selectively be achieved by directed C-H functionalization. However, such methods have only occasionally been used, in an iterative manner, to decorate various positions of a medicinal scaffold to build chemical libraries. We herein report the multiple, site selective, metal-catalyzed C-H functionalization of a "programmed" 4-hydroxyquinoline. This medicinally privileged template indeed possesses multiple reactive sites for diversity-oriented functionalization, of which four were targeted. The C-2 and C-8 decorations were directed by an N-oxide, before taking benefit of an O-carbamoyl protection at C-4 to perform a Fries rearrangement and install a carboxamide at C-3. This also released the carbonyl group of 4-quinolones, the ultimate directing group to functionalize position 5. Our study highlights the power of multiple C-H functionalization to generate diversity in a biologically relevant library, after showing its strong antimalarial potential.
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Affiliation(s)
- Quentin Ronzon
- Laboratoire de Synthèse Organique, Ecole Polytechnique, ENSTA, CNRS, Institut Polytechnique de Paris, 91128, Palaiseau Cedex, France
| | - Wei Zhang
- Laboratoire de Synthèse Organique, Ecole Polytechnique, ENSTA, CNRS, Institut Polytechnique de Paris, 91128, Palaiseau Cedex, France
| | - Nicolas Casaretto
- Laboratoire de Chimie Moléculaire, Ecole Polytechnique, CNRS, Institut Polytechnique de Paris, 91128, Palaiseau Cedex, France
| | - Elisabeth Mouray
- Unité Molécules de Communication et Adaptation des Microorganismes (MCAM, UMR7245) Muséum national d'Histoire naturelle, CNRS, CP 52, 57 rue Cuvier, 75005, Paris, France
| | - Isabelle Florent
- Unité Molécules de Communication et Adaptation des Microorganismes (MCAM, UMR7245) Muséum national d'Histoire naturelle, CNRS, CP 52, 57 rue Cuvier, 75005, Paris, France
| | - Bastien Nay
- Laboratoire de Synthèse Organique, Ecole Polytechnique, ENSTA, CNRS, Institut Polytechnique de Paris, 91128, Palaiseau Cedex, France
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18
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Xie C, Yang D, Wang X, Ma C. A Cascade Reaction of Michael Addition and Truce-Smiles Rearrangement to Synthesize Trisubstituted 4-Quinolone Derivatives. J Org Chem 2020; 85:14937-14944. [PMID: 33146531 DOI: 10.1021/acs.joc.0c01662] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A novel transition-metal-free cascade reaction to synthesize 4-quinolone derivatives has been demonstrated. Michael addition and Truce-Smiles rearrangement are included in this protocol, providing a broad scope of 4-quinolones in moderate-to-excellent yields. This work serves as an example of the use of sulfonamides through Truce-Smiles rearrangement to build heterocyclic compounds under mild conditions.
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Affiliation(s)
- Caixia Xie
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, P. R. China.,School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
| | - Di Yang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
| | - Xinfeng Wang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
| | - Chen Ma
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
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19
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20
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Nakatani Y, Shimaki Y, Dutta D, Muench SP, Ireton K, Cook GM, Jeuken LJC. Unprecedented Properties of Phenothiazines Unraveled by a NDH-2 Bioelectrochemical Assay Platform. J Am Chem Soc 2020; 142:1311-1320. [PMID: 31880924 DOI: 10.1021/jacs.9b10254] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Type II NADH:quinone oxidoreductase (NDH-2) plays a crucial role in the respiratory chains of many organisms. Its absence in mammalian cells makes NDH-2 an attractive new target for developing antimicrobials and antiprotozoal agents. We established a novel bioelectrochemical platform to characterize the catalytic behavior of NDH-2 from Caldalkalibacillus thermarum and Listeria monocytogenes strain EGD-e while bound to native-like lipid membranes. Catalysis of both NADH oxidation and lipophilic quinone reduction by membrane-bound NDH-2 followed the Michaelis-Menten model; however, the maximum turnover was only achieved when a high concentration of quinone (>3 mM) was present in the membrane, suggesting that quinone availability regulates NADH-coupled respiration activity. The quinone analogue 2-heptyl-4-hydroxyquinoline-N-oxide inhibited C. thermarum NDH-2 activity, and its potency is higher in a membrane environment compared to assays performed with water-soluble quinone analogues, demonstrating the importance of testing compounds under physiologically relevant conditions. Furthermore, when phenothiazines, one of the most commonly identified NDH-2 inhibitors, were tested, they did not inhibit membrane-bound NDH-2. Instead, our assay platform unexpectedly suggests a novel mode of phenothiazine action where chlorpromazine, a promising antitubercular agent and key medicine used to treat psychotic disorders, is able to disrupt pH gradients across bacterial membranes.
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Affiliation(s)
- Yoshio Nakatani
- Department of Microbiology and Immunology , University of Otago , Dunedin 9054 , New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery , The University of Auckland , Private Bag 92019, Auckland 1042 , New Zealand
| | - Yosuke Shimaki
- Department of Microbiology and Immunology , University of Otago , Dunedin 9054 , New Zealand
| | - Debajyoti Dutta
- School of Biomedical Sciences and the Astbury Centre for Structural Molecular Biology , University of Leeds , Leeds LS2 9JT , United Kingdom
| | - Stephen P Muench
- School of Biomedical Sciences and the Astbury Centre for Structural Molecular Biology , University of Leeds , Leeds LS2 9JT , United Kingdom
| | - Keith Ireton
- Department of Microbiology and Immunology , University of Otago , Dunedin 9054 , New Zealand
| | - Gregory M Cook
- Department of Microbiology and Immunology , University of Otago , Dunedin 9054 , New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery , The University of Auckland , Private Bag 92019, Auckland 1042 , New Zealand
| | - Lars J C Jeuken
- School of Biomedical Sciences and the Astbury Centre for Structural Molecular Biology , University of Leeds , Leeds LS2 9JT , United Kingdom
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21
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Narula AK, Azad CS, Nainwal LM. New dimensions in the field of antimalarial research against malaria resurgence. Eur J Med Chem 2019; 181:111353. [DOI: 10.1016/j.ejmech.2019.05.043] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 04/16/2019] [Accepted: 05/15/2019] [Indexed: 12/20/2022]
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22
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Xie T, Wu Z, Gu J, Guo R, Yan X, Duan H, Liu X, Liu W, Liang L, Wan H, Luo Y, Tang D, Shi H, Hu J. The global motion affecting electron transfer in Plasmodium falciparum type II NADH dehydrogenases: a novel non-competitive mechanism for quinoline ketone derivative inhibitors. Phys Chem Chem Phys 2019; 21:18105-18118. [PMID: 31396604 DOI: 10.1039/c9cp02645b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
With the emergence of drug-resistant Plasmodium falciparum, the treatment of malaria has become a significant challenge; therefore, the development of antimalarial drugs acting on new targets is extremely urgent. In Plasmodium falciparum, type II nicotinamide adenine dinucleotide (NADH) dehydrogenase (NDH-2) is responsible for catalyzing the transfer of two electrons from NADH to flavin adenine dinucleotide (FAD), which in turn transfers the electrons to coenzyme Q (CoQ). As an entry enzyme for oxidative phosphorylation, NDH-2 has become one of the popular targets for the development of new antimalarial drugs. In this study, reliable motion trajectories of the NDH-2 complex with its co-factors (NADH and FAD) and inhibitor, RYL-552, were obtained by comparative molecular dynamics simulations. The influence of cofactor binding on the global motion of NDH-2 was explored through conformational clustering, principal component analysis and free energy landscape. The molecular interactions of NDH-2 before and after its binding with the inhibitor RYL-552 were analyzed, and the key residues and important hydrogen bonds were also determined. The results show that the association of RYL-552 results in the weakening of intramolecular hydrogen bonds and large allosterism of NDH-2. There was a significant positive correlation between the angular change of the key pocket residues in the NADH-FAD-pockets that represents the global functional motion and the change in distance between NADH-C4 and FAD-N5 that represents the electron transfer efficiency. Finally, the possible non-competitive inhibitory mechanism of RYL-552 was proposed. Specifically, the association of inhibitors with NDH-2 significantly affects the global motion mode of NDH-2, leading to widening of the distance between NADH and FAD through cooperative motion induction; this reduces the electron transfer efficiency of the mitochondrial respiratory chain. The simulation results provide useful theoretical guidance for subsequent antimalarial drug design based on the NDH-2 structure and the respiratory chain electron transfer mechanism.
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Affiliation(s)
- Tao Xie
- College of Pharmacy and Biological Engineering, Sichuan Industrial Institute of Antibiotics, Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, Chengdu University, Chengdu, 610106, China.
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23
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Boniface PK, Ferreira EI. Flavonoids as efficient scaffolds: Recent trends for malaria, leishmaniasis, Chagas disease, and dengue. Phytother Res 2019; 33:2473-2517. [PMID: 31441148 DOI: 10.1002/ptr.6383] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 04/04/2019] [Accepted: 04/13/2019] [Indexed: 12/21/2022]
Abstract
Endemic in 149 tropical and subtropical countries, neglected tropical diseases (NTDs) affect more than 1 billion people annually with over 500,000 deaths. Among the NTDs, some of the most severe consist of leishmaniasis, Chagas disease, and dengue. The impact of the combined NTDs closely rivals that of malaria. According to the World Health Organization, 216 million cases of malaria were reported in 2016 with 445,000 deaths. Current treatment options are associated with various limitations including widespread drug resistance, severe adverse effects, lengthy treatment duration, unfavorable toxicity profiles, and complicated drug administration procedures. Flavonoids are a class of compounds that has been the subject of considerable scientific interest. New developments of flavonoids have made promising advances for the potential treatment of malaria, leishmaniasis, Chagas disease, and dengue, with less toxicity, high efficacy, and improved bioavailability. This review summarizes the current standings of the use of flavonoids to treat malaria and neglected diseases such as leishmaniasis, Chagas disease, and dengue. Natural and synthetic flavonoids are leading compounds that can be used for developing antiprotozoal and antiviral agents. However, detailed studies on toxicity, pharmacokinetics, and mechanisms of action of these compounds are required to confirm the in vitro pharmacological claims of flavonoids for pharmaceutical applications. HIGHLIGHTS: In the current review, we have tried to compile recent discoveries on natural and synthetic flavonoids as well as their implication in the treatment of malaria, leishmaniasis, Chagas disease, and dengue. A total of 373 (220 natural and 153 synthetic) flavonoids have been evaluated for antimalarial, antileishmanial, antichagasic, and antidengue activities. Most of these flavonoids showed promising results against the above diseases. Reports on molecular modeling of flavonoid compounds to the disease target indicated encouraging results. Flavonoids can be prospected as potential leads for drug development; however, more rigorously designed studies on toxicity and pharmacokinetics, as well as the quantitative structure-activity relationship studies of these compounds, need to be addressed.
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Affiliation(s)
- Pone Kamdem Boniface
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Elizabeth Igne Ferreira
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
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Transition-metal-free insertion of benzyl bromides into 2-(1H-benzo[d]imidazol-1-yl)benzaldehyde: One-pot switchable syntheses of benzo[4,5]imidazo[1,2-a]quinolin-5(7H)-ones and 3-arylquinolin-4-ones mediated by base. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.03.058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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25
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Ke H, Ganesan SM, Dass S, Morrisey JM, Pou S, Nilsen A, Riscoe MK, Mather MW, Vaidya AB. Mitochondrial type II NADH dehydrogenase of Plasmodium falciparum (PfNDH2) is dispensable in the asexual blood stages. PLoS One 2019; 14:e0214023. [PMID: 30964863 PMCID: PMC6456166 DOI: 10.1371/journal.pone.0214023] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Accepted: 03/05/2019] [Indexed: 11/23/2022] Open
Abstract
The battle against malaria has been substantially impeded by the recurrence of drug resistance in Plasmodium falciparum, the deadliest human malaria parasite. To counter the problem, novel antimalarial drugs are urgently needed, especially those that target unique pathways of the parasite, since they are less likely to have side effects. The mitochondrial type II NADH dehydrogenase (NDH2) of P. falciparum, PfNDH2 (PF3D7_0915000), has been considered a good prospective antimalarial drug target for over a decade, since malaria parasites lack the conventional multi-subunit NADH dehydrogenase, or Complex I, present in the mammalian mitochondrial electron transport chain (mtETC). Instead, Plasmodium parasites contain a single subunit NDH2, which lacks proton pumping activity and is absent in humans. A significant amount of effort has been expended to develop PfNDH2 specific inhibitors, yet the essentiality of PfNDH2 has not been convincingly verified. Herein, we knocked out PfNDH2 in P. falciparum via a CRISPR/Cas9 mediated approach. Deletion of PfNDH2 does not alter the parasite’s susceptibility to multiple mtETC inhibitors, including atovaquone and ELQ-300. We also show that the antimalarial activity of the fungal NDH2 inhibitor HDQ and its new derivative CK-2-68 is due to inhibition of the parasite cytochrome bc1 complex rather than PfNDH2. These compounds directly inhibit the ubiquinol-cytochrome c reductase activity of the malarial bc1 complex. Our results suggest that PfNDH2 is not likely a good antimalarial drug target.
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Affiliation(s)
- Hangjun Ke
- Center for Molecular Parasitology, Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
- * E-mail:
| | - Suresh M. Ganesan
- Center for Molecular Parasitology, Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
| | - Swati Dass
- Center for Molecular Parasitology, Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
| | - Joanne M. Morrisey
- Center for Molecular Parasitology, Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
| | - Sovitj Pou
- Portland VA Medical Center, Portland, Oregon, United States of America
| | - Aaron Nilsen
- Portland VA Medical Center, Portland, Oregon, United States of America
| | - Michael K. Riscoe
- Portland VA Medical Center, Portland, Oregon, United States of America
| | - Michael W. Mather
- Center for Molecular Parasitology, Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
| | - Akhil B. Vaidya
- Center for Molecular Parasitology, Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
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Yang Y, Cao L, Gao H, Wu Y, Wang Y, Fang F, Lan T, Lou Z, Rao Y. Discovery, Optimization, and Target Identification of Novel Potent Broad-Spectrum Antiviral Inhibitors. J Med Chem 2019; 62:4056-4073. [DOI: 10.1021/acs.jmedchem.9b00091] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yiqing Yang
- Tsinghua University−Peking University Joint Center for Life Sciences, Beijing 100084, P. R. China
| | - Lin Cao
- College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Hongying Gao
- Tsinghua University−Peking University Joint Center for Life Sciences, Beijing 100084, P. R. China
| | | | - Yaxin Wang
- College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, P. R. China
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27
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Romero AH. Role of Trifluoromethyl Substitution in Design of Antimalarial Quinolones: a Comprehensive Review. Top Curr Chem (Cham) 2019; 377:9. [PMID: 30835005 DOI: 10.1007/s41061-019-0234-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 02/22/2019] [Indexed: 10/27/2022]
Abstract
Malaria represents a significant health issue, and novel effective drugs are needed to address parasite resistance that has emerged to the current drug arsenal. The most popular antimalarial drugs are focused on the 7-chloro-4-aminoquinoline [e.g., chloroquine (CQ), amodiaquine (AQ), isoquine (IQ), and tebuquine (TBQ)], artemisinin, and atovaquone systems. Recently, endochin has been used as a platform to design a variety of novel potent and safe antimalarial agents named endochin-like quinolones (ELQs). Also, antimalarial quinolones have been constructed from other quinolones drugs such as ICI-56780 and floxacrine. Trifluoromethyl substitution has provided a significant increase in the antimalarial response of many of the designed ELQs against Plasmodium-resistant strains and for in vivo models. In particular, attachment of a substituted trifluoromethoxy (or trifluoromethyl in some cases) biaryl side chain at 2-, 3-, 4-, or 6-position of the quinolone core has shown to be crucially important to generate selective and potent novel ELQs. Furthermore, 6-chloro and 7-methoxy moieties on the quinolone core have been identified as essential pharmacophores when the trifluoromethoxy biaryl side chain is placed at 2- or 3-position of the quinolone core. Methyl or ethyl ester attached at 3-position is essential when the trifluoromethoxy aryl side chain is attached at 6- or 7-position of the quinolone core. Some promising ELQs are currently under clinical trials, representing an excellent platform for the design of new potent, selective, effective, and safe antimalarial drugs against emergent resistance malarial models.
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Affiliation(s)
- Angel H Romero
- Cátedra de Química General, Facultad de Farmacia, Universidad Central de Venezuela, Los Chaguaramos, Caracas, 1041-A, Venezuela.
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David Hong W, Leung SC, Amporndanai K, Davies J, Priestley RS, Nixon GL, Berry NG, Samar Hasnain S, Antonyuk S, Ward SA, Biagini GA, O’Neill PM. Potent Antimalarial 2-Pyrazolyl Quinolone bc 1 (Q i) Inhibitors with Improved Drug-like Properties. ACS Med Chem Lett 2018; 9:1205-1210. [PMID: 30613327 DOI: 10.1021/acsmedchemlett.8b00371] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 10/19/2018] [Indexed: 01/29/2023] Open
Abstract
A series of 2-pyrazolyl quinolones has been designed and synthesized in 5-7 steps to optimize for both in vitro antimalarial potency and various in vitro drug metabolism and pharmacokinetics (DMPK) features. The most potent compounds display no cross-resistance with multidrug resistant parasite strains (W2) compared to drug sensitive strains (3D7), with IC50 (concentration of drug required to achieve half maximal growth suppression) values in the range of 15-33 nM. Furthermore, members of the series retain moderate activity against the atovaquone-resistant parasite isolate (TM90C2B). The described 2-pyrazoyl series displays improved DMPK properties, including improved aqueous solubility compared to previously reported quinolone series and acceptable safety margin through in vitro cytotoxicity assessment. The 2-pyrazolyl quinolones are believed to bind to the ubiquinone-reducing Qi site of the parasite bc 1 complex, which is supported by crystallographic studies of bovine cytochrome bc 1 complex.
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Affiliation(s)
- W. David Hong
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, U.K
| | - Suet C. Leung
- Research Centre for Drugs & Diagnostics, Parasitology Department, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, U.K
| | - Kangsa Amporndanai
- Molecular Biophysics Group, Institute of Integrative Biology, University of Liverpool, Liverpool, L69 7ZB, U.K
| | - Jill Davies
- Research Centre for Drugs & Diagnostics, Parasitology Department, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, U.K
| | - Richard S. Priestley
- Research Centre for Drugs & Diagnostics, Parasitology Department, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, U.K
| | - Gemma L. Nixon
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, U.K
| | - Neil G. Berry
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, U.K
| | - S. Samar Hasnain
- Molecular Biophysics Group, Institute of Integrative Biology, University of Liverpool, Liverpool, L69 7ZB, U.K
| | - Svetlana Antonyuk
- Molecular Biophysics Group, Institute of Integrative Biology, University of Liverpool, Liverpool, L69 7ZB, U.K
| | - Stephen A. Ward
- Research Centre for Drugs & Diagnostics, Parasitology Department, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, U.K
| | - Giancarlo A. Biagini
- Research Centre for Drugs & Diagnostics, Parasitology Department, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, U.K
| | - Paul M. O’Neill
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, U.K
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Zhang J, Murugan NA, Tian Y, Bertagnin C, Fang Z, Kang D, Kong X, Jia H, Sun Z, Jia R, Gao P, Poongavanam V, Loregian A, Xu W, Ma X, Ding X, Huang B, Zhan P, Liu X. Structure-Based Optimization of N-Substituted Oseltamivir Derivatives as Potent Anti-Influenza A Virus Agents with Significantly Improved Potency against Oseltamivir-Resistant N1-H274Y Variant. J Med Chem 2018; 61:9976-9999. [PMID: 30365885 DOI: 10.1021/acs.jmedchem.8b01065] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Jian Zhang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
| | - Natarajan Arul Murugan
- Division of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, S-106 91 Stockholm, Sweden
| | - Ye Tian
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
- Key Laboratory for Experimental Teratology of Ministry of Education, Key Laboratory of Infection and Immunity of Shandong Province, Department of Immunology, School of Basic Medical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong P. R. China
| | - Chiara Bertagnin
- Department of Molecular Medicine, University of Padova, Via Gabelli 63, 35121 Padova, Italy
| | - Zengjun Fang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
- The Second Hospital of Shandong University, No. 247 Beiyuan Avenue, 250033 Jinan, China
| | - Dongwei Kang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
| | - Xiujie Kong
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
| | - Haiyong Jia
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
| | - Zhuosen Sun
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
| | - Ruifang Jia
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
| | - Ping Gao
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
| | - Vasanthanathan Poongavanam
- Department of Physics, Chemistry, and Pharmacy, University of Southern Denmark, DK-5230 Odense M, Denmark
| | - Arianna Loregian
- Department of Molecular Medicine, University of Padova, Via Gabelli 63, 35121 Padova, Italy
| | - Wenfang Xu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
| | - Xiuli Ma
- Institute of Poultry Science, Shandong Academy of Agricultural Sciences, 1, Jiaoxiao Road, 250023 Jinan, Shandong, P. R. China
| | - Xiao Ding
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
| | - Bing Huang
- Institute of Poultry Science, Shandong Academy of Agricultural Sciences, 1, Jiaoxiao Road, 250023 Jinan, Shandong, P. R. China
| | - Peng Zhan
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
| | - Xinyong Liu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, P. R. China
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30
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Okada-Junior C, Monteiro GC, Aguiar ACC, Batista VS, de Souza JO, Souza GE, Bueno RV, Oliva G, Nascimento-Júnior NM, Guido RVC, Bolzani VS. Phthalimide Derivatives with Bioactivity against Plasmodium falciparum: Synthesis, Evaluation, and Computational Studies Involving bc 1 Cytochrome Inhibition. ACS OMEGA 2018; 3:9424-9430. [PMID: 31459076 PMCID: PMC6644792 DOI: 10.1021/acsomega.8b01062] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Accepted: 08/02/2018] [Indexed: 06/10/2023]
Abstract
We describe herein the design and synthesis of N-phenyl phthalimide derivatives with inhibitory activities against Plasmodium falciparum (sensitive and resistant strains) in the low micromolar range and noticeable selectivity indices against human cells. The best inhibitor, 4-amino-2-(4-methoxyphenyl)isoindoline-1,3-dione (10), showed a slow-acting mechanism similar to that of atovaquone. Enzymatic assay indicated that 10 inhibited P. falciparum cytochrome bc 1 complex. Molecular docking studies suggested the binding mode of the best hit to Qo site of the cytochrome bc 1 complex. Our findings suggest that 10 is a promising candidate for hit-to-lead development.
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Affiliation(s)
- Celso
Yassuo Okada-Junior
- Nuclei
of Bioassays, Biosynthesis and Ecophysiology of Natural Products
(NuBBE), Department of Organic Chemistry, Institute of Chemistry, and Laboratory of
Medicinal Chemistry, Organic Synthesis and Molecular Modeling (LaQMedSOMM),
Department of Organic Chemistry, Institute of Chemistry, São Paulo State University—UNESP, Rua Professor Francisco Degni, 55,
Jardim Quitandinha, 14800-060 Araraquara, São Paulo, Brazil
| | - Gustavo Claro Monteiro
- Nuclei
of Bioassays, Biosynthesis and Ecophysiology of Natural Products
(NuBBE), Department of Organic Chemistry, Institute of Chemistry, and Laboratory of
Medicinal Chemistry, Organic Synthesis and Molecular Modeling (LaQMedSOMM),
Department of Organic Chemistry, Institute of Chemistry, São Paulo State University—UNESP, Rua Professor Francisco Degni, 55,
Jardim Quitandinha, 14800-060 Araraquara, São Paulo, Brazil
| | - Anna Caroline Campos Aguiar
- Sao
Carlos Institute of Physics, University
of Sao Paulo, Av. Joao
Dagnone, 1100 Jardim Santa Angelina, Sao Carlos, São Paulo 13563-120, Brazil
| | - Victor Sousa Batista
- Nuclei
of Bioassays, Biosynthesis and Ecophysiology of Natural Products
(NuBBE), Department of Organic Chemistry, Institute of Chemistry, and Laboratory of
Medicinal Chemistry, Organic Synthesis and Molecular Modeling (LaQMedSOMM),
Department of Organic Chemistry, Institute of Chemistry, São Paulo State University—UNESP, Rua Professor Francisco Degni, 55,
Jardim Quitandinha, 14800-060 Araraquara, São Paulo, Brazil
| | - Juliana Oliveira de Souza
- Sao
Carlos Institute of Physics, University
of Sao Paulo, Av. Joao
Dagnone, 1100 Jardim Santa Angelina, Sao Carlos, São Paulo 13563-120, Brazil
| | - Guilherme Eduardo Souza
- Sao
Carlos Institute of Physics, University
of Sao Paulo, Av. Joao
Dagnone, 1100 Jardim Santa Angelina, Sao Carlos, São Paulo 13563-120, Brazil
| | - Renata Vieira Bueno
- Sao
Carlos Institute of Physics, University
of Sao Paulo, Av. Joao
Dagnone, 1100 Jardim Santa Angelina, Sao Carlos, São Paulo 13563-120, Brazil
| | - Glaucius Oliva
- Sao
Carlos Institute of Physics, University
of Sao Paulo, Av. Joao
Dagnone, 1100 Jardim Santa Angelina, Sao Carlos, São Paulo 13563-120, Brazil
| | - Nailton M. Nascimento-Júnior
- Nuclei
of Bioassays, Biosynthesis and Ecophysiology of Natural Products
(NuBBE), Department of Organic Chemistry, Institute of Chemistry, and Laboratory of
Medicinal Chemistry, Organic Synthesis and Molecular Modeling (LaQMedSOMM),
Department of Organic Chemistry, Institute of Chemistry, São Paulo State University—UNESP, Rua Professor Francisco Degni, 55,
Jardim Quitandinha, 14800-060 Araraquara, São Paulo, Brazil
| | - Rafael Victorio Carvalho Guido
- Sao
Carlos Institute of Physics, University
of Sao Paulo, Av. Joao
Dagnone, 1100 Jardim Santa Angelina, Sao Carlos, São Paulo 13563-120, Brazil
| | - Vanderlan Silva Bolzani
- Nuclei
of Bioassays, Biosynthesis and Ecophysiology of Natural Products
(NuBBE), Department of Organic Chemistry, Institute of Chemistry, and Laboratory of
Medicinal Chemistry, Organic Synthesis and Molecular Modeling (LaQMedSOMM),
Department of Organic Chemistry, Institute of Chemistry, São Paulo State University—UNESP, Rua Professor Francisco Degni, 55,
Jardim Quitandinha, 14800-060 Araraquara, São Paulo, Brazil
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Petri J, Shimaki Y, Jiao W, Bridges HR, Russell ER, Parker EJ, Aragão D, Cook GM, Nakatani Y. Structure of the NDH-2 - HQNO inhibited complex provides molecular insight into quinone-binding site inhibitors. BIOCHIMICA ET BIOPHYSICA ACTA. BIOENERGETICS 2018; 1859:482-490. [PMID: 29621505 PMCID: PMC6167311 DOI: 10.1016/j.bbabio.2018.03.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 03/22/2018] [Accepted: 03/29/2018] [Indexed: 11/23/2022]
Abstract
Type II NADH:quinone oxidoreductase (NDH-2) is a proposed drug-target of major pathogenic microorganisms such as Mycobacterium tuberculosis and Plasmodium falciparum. Many NDH-2 inhibitors have been identified, but rational drug development is impeded by the lack of information regarding their mode of action and associated inhibitor-bound NDH-2 structure. We have determined the crystal structure of NDH-2 complexed with a quinolone inhibitor 2-heptyl-4-hydroxyquinoline-N-oxide (HQNO). HQNO is nested into the slot-shaped tunnel of the Q-site, in which the quinone-head group is clamped by Q317 and I379 residues, and hydrogen-bonds to FAD. The interaction of HQNO with bacterial NDH-2 is very similar to the native substrate ubiquinone (UQ1) interactions in the yeast Ndi1-UQ1 complex structure, suggesting a conserved mechanism for quinone binding. Further, the structural analysis provided insight how modifications of quinolone scaffolds improve potency (e.g. quinolinyl pyrimidine derivatives) and suggests unexplored target space for the rational design of new NDH-2 inhibitors.
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Affiliation(s)
- Jessica Petri
- Department of Microbiology and Immunology, University of Otago, Dunedin 9054, New Zealand
| | - Yosuke Shimaki
- Department of Microbiology and Immunology, University of Otago, Dunedin 9054, New Zealand
| | - Wanting Jiao
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Private Bag 92019, Auckland 1042, New Zealand; Maurice Wilkins Centre for Molecular Biodiscovery, Biomolecular Interaction Centre, University of Canterbury, Christchurch, New Zealand; Ferrier Research Institute, Victoria University of Wellington, Wellington, New Zealand
| | - Hannah R Bridges
- MRC Mitochondrial Biology Unit, Wellcome Trust/MRC Building, Hills Road, Cambridge CB2 0XY, UK
| | - Euan R Russell
- Department of Microbiology and Immunology, University of Otago, Dunedin 9054, New Zealand
| | - Emily J Parker
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Private Bag 92019, Auckland 1042, New Zealand; Maurice Wilkins Centre for Molecular Biodiscovery, Biomolecular Interaction Centre, University of Canterbury, Christchurch, New Zealand; Ferrier Research Institute, Victoria University of Wellington, Wellington, New Zealand
| | - David Aragão
- Australian Synchrotron, 800 Blackburn Road, Clayton, Victoria, VIC3168, Australia
| | - Gregory M Cook
- Department of Microbiology and Immunology, University of Otago, Dunedin 9054, New Zealand; Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Private Bag 92019, Auckland 1042, New Zealand.
| | - Yoshio Nakatani
- Department of Microbiology and Immunology, University of Otago, Dunedin 9054, New Zealand; Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Private Bag 92019, Auckland 1042, New Zealand.
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Kumar S, Bhardwaj TR, Prasad DN, Singh RK. Drug targets for resistant malaria: Historic to future perspectives. Biomed Pharmacother 2018; 104:8-27. [PMID: 29758416 DOI: 10.1016/j.biopha.2018.05.009] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 04/22/2018] [Accepted: 05/07/2018] [Indexed: 01/05/2023] Open
Abstract
New antimalarial targets are the prime need for the discovery of potent drug candidates. In order to fulfill this objective, antimalarial drug researches are focusing on promising targets in order to develop new drug candidates. Basic metabolism and biochemical process in the malaria parasite, i.e. Plasmodium falciparum can play an indispensable role in the identification of these targets. But, the emergence of resistance to antimalarial drugs is an escalating comprehensive problem with the progress of antimalarial drug development. The development of resistance has highlighted the need for the search of novel antimalarial molecules. The pharmaceutical industries are committed to new drug development due to the global recognition of this life threatening resistance to the currently available antimalarial therapy. The recent developments in the understanding of parasite biology are exhilarating this resistance issue which is further being ignited by malaria genome project. With this background of information, this review was aimed to highlights and provides useful information on various present and promising treatment approaches for resistant malaria, new progresses, pursued by some innovative targets that have been explored till date. This review also discusses modern and futuristic multiple approaches to antimalarial drug discovery and development with pictorial presentations highlighting the various targets, that could be exploited for generating promising new drugs in the future for drug resistant malaria.
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Affiliation(s)
- Sahil Kumar
- School of Pharmacy and Emerging Sciences, Baddi University of Emerging Sciences & Technology, Baddi, Dist. Solan, 173205, Himachal Pradesh, India
| | - T R Bhardwaj
- School of Pharmacy and Emerging Sciences, Baddi University of Emerging Sciences & Technology, Baddi, Dist. Solan, 173205, Himachal Pradesh, India
| | - D N Prasad
- Department of Pharmaceutical Chemistry, Shivalik College of Pharmacy, Nangal, Dist. Rupnagar, 140126, Punjab, India
| | - Rajesh K Singh
- Department of Pharmaceutical Chemistry, Shivalik College of Pharmacy, Nangal, Dist. Rupnagar, 140126, Punjab, India.
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Amporndanai K, Johnson RM, O’Neill PM, Fishwick CWG, Jamson AH, Rawson S, Muench SP, Hasnain SS, Antonyuk SV. X-ray and cryo-EM structures of inhibitor-bound cytochrome bc1 complexes for structure-based drug discovery. IUCRJ 2018; 5:200-210. [PMID: 29765610 PMCID: PMC5947725 DOI: 10.1107/s2052252518001616] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 01/26/2018] [Indexed: 05/10/2023]
Abstract
Cytochrome bc1, a dimeric multi-subunit electron-transport protein embedded in the inner mitochondrial membrane, is a major drug target for the treatment and prevention of malaria and toxoplasmosis. Structural studies of cytochrome bc1 from mammalian homologues co-crystallized with lead compounds have underpinned structure-based drug design to develop compounds with higher potency and selectivity. However, owing to the limited amount of cytochrome bc1 that may be available from parasites, all efforts have been focused on homologous cytochrome bc1 complexes from mammalian species, which has resulted in the failure of some drug candidates owing to toxicity in the host. Crystallographic studies of the native parasite proteins are not feasible owing to limited availability of the proteins. Here, it is demonstrated that cytochrome bc1 is highly amenable to single-particle cryo-EM (which uses significantly less protein) by solving the apo and two inhibitor-bound structures to ∼4.1 Å resolution, revealing clear inhibitor density at the binding site. Therefore, cryo-EM is proposed as a viable alternative method for structure-based drug discovery using both host and parasite enzymes.
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Affiliation(s)
- Kangsa Amporndanai
- Molecular Biophysics Group, Institute of Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Liverpool L69 7ZB, England
| | - Rachel M. Johnson
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, England
- Astbury Centre for Structural and Molecular Biology, University of Leeds, Leeds LS2 9JT, England
- School of Chemistry, University of Leeds, Leeds LS2 9JT, England
| | - Paul M. O’Neill
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, England
| | - Colin W. G. Fishwick
- Astbury Centre for Structural and Molecular Biology, University of Leeds, Leeds LS2 9JT, England
- School of Chemistry, University of Leeds, Leeds LS2 9JT, England
| | - Alexander H. Jamson
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, England
- Astbury Centre for Structural and Molecular Biology, University of Leeds, Leeds LS2 9JT, England
| | - Shaun Rawson
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, England
- Astbury Centre for Structural and Molecular Biology, University of Leeds, Leeds LS2 9JT, England
| | - Stephen P. Muench
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, England
- Astbury Centre for Structural and Molecular Biology, University of Leeds, Leeds LS2 9JT, England
| | - S. Samar Hasnain
- Molecular Biophysics Group, Institute of Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Liverpool L69 7ZB, England
| | - Svetlana V. Antonyuk
- Molecular Biophysics Group, Institute of Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Liverpool L69 7ZB, England
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Iqbal IK, Bajeli S, Akela AK, Kumar A. Bioenergetics of Mycobacterium: An Emerging Landscape for Drug Discovery. Pathogens 2018; 7:E24. [PMID: 29473841 PMCID: PMC5874750 DOI: 10.3390/pathogens7010024] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 01/29/2018] [Accepted: 01/31/2018] [Indexed: 11/16/2022] Open
Abstract
Mycobacterium tuberculosis (Mtb) exhibits remarkable metabolic flexibility that enables it to survive a plethora of host environments during its life cycle. With the advent of bedaquiline for treatment of multidrug-resistant tuberculosis, oxidative phosphorylation has been validated as an important target and a vulnerable component of mycobacterial metabolism. Exploiting the dependence of Mtb on oxidative phosphorylation for energy production, several components of this pathway have been targeted for the development of new antimycobacterial agents. This includes targeting NADH dehydrogenase by phenothiazine derivatives, menaquinone biosynthesis by DG70 and other compounds, terminal oxidase by imidazopyridine amides and ATP synthase by diarylquinolines. Importantly, oxidative phosphorylation also plays a critical role in the survival of persisters. Thus, inhibitors of oxidative phosphorylation can synergize with frontline TB drugs to shorten the course of treatment. In this review, we discuss the oxidative phosphorylation pathway and development of its inhibitors in detail.
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Affiliation(s)
- Iram Khan Iqbal
- Council of Scientific and Industrial Research, Institute of Microbial Technology, Chandigarh 160036, India.
| | - Sapna Bajeli
- Council of Scientific and Industrial Research, Institute of Microbial Technology, Chandigarh 160036, India.
| | - Ajit Kumar Akela
- Council of Scientific and Industrial Research, Institute of Microbial Technology, Chandigarh 160036, India.
| | - Ashwani Kumar
- Council of Scientific and Industrial Research, Institute of Microbial Technology, Chandigarh 160036, India.
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35
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Yamashita T, Inaoka DK, Shiba T, Oohashi T, Iwata S, Yagi T, Kosaka H, Miyoshi H, Harada S, Kita K, Hirano K. Ubiquinone binding site of yeast NADH dehydrogenase revealed by structures binding novel competitive- and mixed-type inhibitors. Sci Rep 2018; 8:2427. [PMID: 29402945 PMCID: PMC5799168 DOI: 10.1038/s41598-018-20775-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 01/24/2018] [Indexed: 12/20/2022] Open
Abstract
Yeast Ndi1 is a monotopic alternative NADH dehydrogenase. Its crystal structure in complex with the electron acceptor, ubiquinone, has been determined. However, there has been controversy regarding the ubiquinone binding site. To address these points, we identified the first competitive inhibitor of Ndi1, stigmatellin, along with new mixed-type inhibitors, AC0-12 and myxothiazol, and thereby determined the crystal structures of Ndi1 in complexes with the inhibitors. Two separate binding sites of stigmatellin, STG-1 and STG-2, were observed. The electron density at STG-1, located at the vicinity of the FAD cofactor, further demonstrated two binding modes: STG-1a and STG-1b. AC0-12 and myxothiazol are also located at the vicinity of FAD. The comparison of the binding modes among stigmatellin at STG-1, AC0-12, and myxothiazol revealed a unique position for the aliphatic tail of stigmatellin at STG-1a. Mutations of amino acid residues that interact with this aliphatic tail at STG-1a reduced the affinity of Ndi1 for ubiquinone. In conclusion, the position of the aliphatic tail of stigmatellin at STG-1a provides a structural basis for its competitive inhibition of Ndi1. The inherent binding site of ubiquinone is suggested to overlap with STG-1a that is distinct from the binding site for NADH.
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Affiliation(s)
- Tetsuo Yamashita
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kita-gun, Kagawa, 761-0793, Japan.
| | - Daniel Ken Inaoka
- Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
- School of Tropical Medicine and Global Health, Nagasaki University, 1-12-4, Sakamoto, Nagasaki, 852-8523, Japan
| | - Tomoo Shiba
- Department of Applied Biology, Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto, 606-8585, Japan
| | - Takumi Oohashi
- Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
| | - So Iwata
- Division of Molecular Biosciences, Membrane Protein Crystallography Group, Imperial College, London, SW7 2AZ, UK
- Membrane Protein Laboratory, Diamond Light Source, Harwell Science and Innovation Campus, Chilton, Didcot, Oxfordshire, OX11 0DE, UK
- Japan Science and Technology Agency, Exploratory Research for Advanced Technology, Human Receptor Crystallography Project, Yoshida-Konoe-cho, Sakyo-ku, Kyoto, 606-8501, Japan
- Department of Cell Biology, Graduate School of Medicine, Kyoto University, Yoshida-Konoe-cho, Sakyo-Ku, Kyoto, 606-8501, Japan
- Systems and Structural Biology Centre, RIKEN, 1-7-22 Suehiro-cho Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Takao Yagi
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California, 92037, USA
| | - Hiroaki Kosaka
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kita-gun, Kagawa, 761-0793, Japan
- Osaka Jikei College, 1-2-8 Miyahara, Yodogawa-Ku, Osaka, 532-0003, Japan
| | - Hideto Miyoshi
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Shigeharu Harada
- Department of Applied Biology, Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto, 606-8585, Japan.
| | - Kiyoshi Kita
- Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
- School of Tropical Medicine and Global Health, Nagasaki University, 1-12-4, Sakamoto, Nagasaki, 852-8523, Japan
| | - Katsuya Hirano
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kita-gun, Kagawa, 761-0793, Japan
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36
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Fan YL, Cheng XW, Wu JB, Liu M, Zhang FZ, Xu Z, Feng LS. Antiplasmodial and antimalarial activities of quinolone derivatives: An overview. Eur J Med Chem 2018; 146:1-14. [PMID: 29360043 DOI: 10.1016/j.ejmech.2018.01.039] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 01/03/2018] [Accepted: 01/12/2018] [Indexed: 10/18/2022]
Abstract
Malaria remains one of the most deadly infectious diseases globally. Considering the growing spread of resistance, development of new and effective antimalarials remains an urgent priority. Quinolones, which are emerged as one of the most important class of antibiotics in the treatment of various bacterial infections, showed potential in vitro antiplasmodial and in vivo antimalarial activities, making them promising candidates for the chemoprophylaxis and treatment of malaria. This review presents the current progresses and applications of quinolone-based derivatives as potential antimalarials to pave the way for the development of new antimalarials.
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Affiliation(s)
- Yi-Lei Fan
- College of Pharmaceutical Science & Green Pharmaceutical Collaborative Innovation Center of Yangtze River Delta Region, Zhejiang University of Technology, Hangzhou, 310014, PR China; Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Zhejiang Police College, Hangzhou, PR China
| | - Xiang-Wei Cheng
- Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Zhejiang Police College, Hangzhou, PR China
| | - Jian-Bing Wu
- Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Zhejiang Police College, Hangzhou, PR China
| | - Min Liu
- College of Pharmaceutical Science & Green Pharmaceutical Collaborative Innovation Center of Yangtze River Delta Region, Zhejiang University of Technology, Hangzhou, 310014, PR China
| | - Feng-Zhi Zhang
- College of Pharmaceutical Science & Green Pharmaceutical Collaborative Innovation Center of Yangtze River Delta Region, Zhejiang University of Technology, Hangzhou, 310014, PR China.
| | - Zhi Xu
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, PR China
| | - Lian-Shun Feng
- Synthetic and Functional Biomolecules Center, Peking University, Beijing, PR China
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37
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Tian J, Vandermosten L, Peigneur S, Moreels L, Rozenski J, Tytgat J, Herdewijn P, Van den Steen PE, De Jonghe S. Astemizole analogues with reduced hERG inhibition as potent antimalarial compounds. Bioorg Med Chem 2017; 25:6332-6344. [PMID: 29042223 DOI: 10.1016/j.bmc.2017.10.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 09/26/2017] [Accepted: 10/05/2017] [Indexed: 01/08/2023]
Abstract
Astemizole is a H1-antagonist endowed with antimalarial activity, but has hERG liabilities. Systematic structural modifications of astemizole led to the discovery of analogues that display very potent activity as inhibitors of the growth of the Plasmodium parasite, but show a decreased hERG inhibition, when compared to astemizole. These compounds can be used as starting point for the development of a new class of antimalarials.
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Affiliation(s)
- Junjun Tian
- Medicinal Chemistry, Rega Institute for Medical Research, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - Leen Vandermosten
- Immunobiology, Rega Institute for Medical Research, Department of Microbiology and Immunology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - Steve Peigneur
- KU Leuven, Toxicology and Pharmacology, Campus Gasthuisberg, Onderwijs en Navorsing 2, Herestraat 49, PO Box 922, 3000 Leuven, Belgium
| | - Lien Moreels
- KU Leuven, Toxicology and Pharmacology, Campus Gasthuisberg, Onderwijs en Navorsing 2, Herestraat 49, PO Box 922, 3000 Leuven, Belgium
| | - Jef Rozenski
- Medicinal Chemistry, Rega Institute for Medical Research, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - Jan Tytgat
- KU Leuven, Toxicology and Pharmacology, Campus Gasthuisberg, Onderwijs en Navorsing 2, Herestraat 49, PO Box 922, 3000 Leuven, Belgium
| | - Piet Herdewijn
- Medicinal Chemistry, Rega Institute for Medical Research, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - Philippe E Van den Steen
- Immunobiology, Rega Institute for Medical Research, Department of Microbiology and Immunology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - Steven De Jonghe
- Medicinal Chemistry, Rega Institute for Medical Research, KU Leuven, Herestraat 49, 3000 Leuven, Belgium.
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38
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Oh KH, Kim JG, Park JK. A Modular Synthesis of 4-Aminoquinolines and [1,3] N-to-C Rearrangement to Quinolin-4-ylmethanesulfonamides. Org Lett 2017; 19:3994-3997. [DOI: 10.1021/acs.orglett.7b01701] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Kyung Hwan Oh
- Department of Chemistry and
Chemistry Institute of Functional Materials, Pusan National University, Busan 609-735, Korea
| | - Jin Gyeong Kim
- Department of Chemistry and
Chemistry Institute of Functional Materials, Pusan National University, Busan 609-735, Korea
| | - Jin Kyoon Park
- Department of Chemistry and
Chemistry Institute of Functional Materials, Pusan National University, Busan 609-735, Korea
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39
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Hong WD, Gibbons PD, Leung SC, Amewu R, Stocks PA, Stachulski A, Horta P, Cristiano MLS, Shone AE, Moss D, Ardrey A, Sharma R, Warman AJ, Bedingfield PTP, Fisher NE, Aljayyoussi G, Mead S, Caws M, Berry NG, Ward SA, Biagini GA, O'Neill PM, Nixon GL. Rational Design, Synthesis, and Biological Evaluation of Heterocyclic Quinolones Targeting the Respiratory Chain of Mycobacterium tuberculosis. J Med Chem 2017; 60:3703-3726. [PMID: 28304162 DOI: 10.1021/acs.jmedchem.6b01718] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A high-throughput screen (HTS) was undertaken against the respiratory chain dehydrogenase component, NADH:menaquinone oxidoreductase (Ndh) of Mycobacterium tuberculosis (Mtb). The 11000 compounds were selected for the HTS based on the known phenothiazine Ndh inhibitors, trifluoperazine and thioridazine. Combined HTS (11000 compounds) and in-house screening of a limited number of quinolones (50 compounds) identified ∼100 hits and four distinct chemotypes, the most promising of which contained the quinolone core. Subsequent Mtb screening of the complete in-house quinolone library (350 compounds) identified a further ∼90 hits across three quinolone subtemplates. Quinolones containing the amine-based side chain were selected as the pharmacophore for further modification, resulting in metabolically stable quinolones effective against multi drug resistant (MDR) Mtb. The lead compound, 42a (MTC420), displays acceptable antituberculosis activity (Mtb IC50 = 525 nM, Mtb Wayne IC50 = 76 nM, and MDR Mtb patient isolates IC50 = 140 nM) and favorable pharmacokinetic and toxicological profiles.
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Affiliation(s)
- W David Hong
- Department of Chemistry, University of Liverpool , Liverpool L69 7ZD, U.K
| | - Peter D Gibbons
- Department of Chemistry, University of Liverpool , Liverpool L69 7ZD, U.K
| | - Suet C Leung
- Department of Chemistry, University of Liverpool , Liverpool L69 7ZD, U.K
| | - Richard Amewu
- Department of Chemistry, University of Ghana , P.O. Box LG56, Legon-Accra, Ghana
| | - Paul A Stocks
- Department of Chemistry, University of Liverpool , Liverpool L69 7ZD, U.K
| | - Andrew Stachulski
- Department of Chemistry, University of Liverpool , Liverpool L69 7ZD, U.K
| | - Pedro Horta
- CCMAR and Department of Chemistry and Pharmacy, University of Algarve , 8005-139 Faro, Portugal
| | - Maria L S Cristiano
- CCMAR and Department of Chemistry and Pharmacy, University of Algarve , 8005-139 Faro, Portugal
| | - Alison E Shone
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine , Pembroke Place, Liverpool L3 5QA, U.K
| | - Darren Moss
- School of Pharmacy, Keele University , Keele ST5 5BG, U.K
| | - Alison Ardrey
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine , Pembroke Place, Liverpool L3 5QA, U.K
| | - Raman Sharma
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine , Pembroke Place, Liverpool L3 5QA, U.K
| | - Ashley J Warman
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine , Pembroke Place, Liverpool L3 5QA, U.K
| | - Paul T P Bedingfield
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine , Pembroke Place, Liverpool L3 5QA, U.K
| | - Nicholas E Fisher
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine , Pembroke Place, Liverpool L3 5QA, U.K
| | - Ghaith Aljayyoussi
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine , Pembroke Place, Liverpool L3 5QA, U.K
| | - Sally Mead
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine , Pembroke Place, Liverpool L3 5QA, U.K
| | - Maxine Caws
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine , Pembroke Place, Liverpool L3 5QA, U.K
| | - Neil G Berry
- Department of Chemistry, University of Liverpool , Liverpool L69 7ZD, U.K
| | - Stephen A Ward
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine , Pembroke Place, Liverpool L3 5QA, U.K
| | - Giancarlo A Biagini
- Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine , Pembroke Place, Liverpool L3 5QA, U.K
| | - Paul M O'Neill
- Department of Chemistry, University of Liverpool , Liverpool L69 7ZD, U.K
| | - Gemma L Nixon
- Department of Chemistry, University of Liverpool , Liverpool L69 7ZD, U.K
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40
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Yang Y, Yu Y, Li X, Li J, Wu Y, Yu J, Ge J, Huang Z, Jiang L, Rao Y, Yang M. Target Elucidation by Cocrystal Structures of NADH-Ubiquinone Oxidoreductase of Plasmodium falciparum (PfNDH2) with Small Molecule To Eliminate Drug-Resistant Malaria. J Med Chem 2017; 60:1994-2005. [DOI: 10.1021/acs.jmedchem.6b01733] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Yiqing Yang
- MOE
Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
- MOE
Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life
Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - You Yu
- MOE
Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life
Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Xiaolu Li
- Department
of Biochemistry and Molecular Biology, State Key Laboratory of Medical
Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100005, China
| | - Jing Li
- MOE
Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life
Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Yue Wu
- MOE
Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
| | - Jie Yu
- MOE
Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life
Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Jingpeng Ge
- MOE
Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life
Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Zhenghui Huang
- Institut Pasteur of Shanghai, CAS Key Laboratory of Molecular Virology and Immunology, Chinese Academy of Sciences, Shanghai 200031, China
| | - Lubin Jiang
- Institut Pasteur of Shanghai, CAS Key Laboratory of Molecular Virology and Immunology, Chinese Academy of Sciences, Shanghai 200031, China
| | - Yu Rao
- MOE
Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
| | - Maojun Yang
- MOE
Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life
Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
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41
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Alday PH, Doggett JS. Drugs in development for toxoplasmosis: advances, challenges, and current status. DRUG DESIGN DEVELOPMENT AND THERAPY 2017; 11:273-293. [PMID: 28182168 PMCID: PMC5279849 DOI: 10.2147/dddt.s60973] [Citation(s) in RCA: 181] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Toxoplasma gondii causes fatal and debilitating brain and eye diseases. Medicines that are currently used to treat toxoplasmosis commonly have toxic side effects and require prolonged courses that range from weeks to more than a year. The need for long treatment durations and the risk of relapsing disease are in part due to the lack of efficacy against T. gondii tissue cysts. The challenges for developing a more effective treatment for toxoplasmosis include decreasing toxicity, achieving therapeutic concentrations in the brain and eye, shortening duration, eliminating tissue cysts from the host, safety in pregnancy, and creating a formulation that is inexpensive and practical for use in resource-poor areas of the world. Over the last decade, significant progress has been made in identifying and developing new compounds for the treatment of toxoplasmosis. Unlike clinically used medicines that were repurposed for toxoplasmosis, these compounds have been optimized for efficacy against toxoplasmosis during preclinical development. Medicines with enhanced efficacy as well as features that address the unique aspects of toxoplasmosis have the potential to greatly improve toxoplasmosis therapy. This review discusses the facets of toxoplasmosis that are pertinent to drug design and the advances, challenges, and current status of preclinical drug research for toxoplasmosis.
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Affiliation(s)
- P Holland Alday
- Division of Infectious Diseases, Oregon Health & Science University
| | - Joseph Stone Doggett
- Division of Infectious Diseases, Oregon Health & Science University; Portland Veterans Affairs Medical Center, Portland, OR, USA
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42
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Pharmacomodulation of the Antimalarial Plasmodione: Synthesis of Biaryl- and N-Arylalkylamine Analogues, Antimalarial Activities and Physicochemical Properties. Molecules 2017; 22:molecules22010161. [PMID: 28106855 PMCID: PMC6155649 DOI: 10.3390/molecules22010161] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2016] [Revised: 01/08/2017] [Accepted: 01/12/2017] [Indexed: 12/15/2022] Open
Abstract
With the aim of increasing the structural diversity on the early antimalarial drug plasmodione, an efficient and versatile procedure to prepare a series of biaryl- and N-arylalkylamines as plasmodione analogues is described. Using the naturally occurring and commercially available menadione as starting material, a 2-step sequence using a Kochi-Anderson reaction and subsequent Pd-catalyzed Suzuki-Miyaura coupling was developed to prepare three representative biphenyl derivatives in good yields for antimalarial evaluation. In addition, synthetic methodologies to afford 3-benzylmenadione derivatives bearing a terminal -N(Me)₂ or -N(Et)₂ in different positions (ortho, meta and para) on the aryl ring of the benzylic chain of plasmodione were investigated through reductive amination was used as the optimal route to prepare these protonable N-arylalkylamine privileged scaffolds. The antimalarial activities were evaluated and discussed in light of their physicochemical properties. Among the newly synthesized compounds, the para-position of the substituent remains the most favourable position on the benzyl chain and the carbamate -NHBoc was found active both in vitro (42 nM versus 29 nM for plasmodione) and in vivo in Plasmodium berghei-infected mice. The measured acido-basic features of these new molecules support the cytosol-food vacuole shuttling properties of non-protonable plasmodione derivatives essential for redox-cycling. These findings may be useful in antimalarial drug optimization.
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43
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The mechanism of catalysis by type-II NADH:quinone oxidoreductases. Sci Rep 2017; 7:40165. [PMID: 28067272 PMCID: PMC5220320 DOI: 10.1038/srep40165] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 12/01/2016] [Indexed: 11/08/2022] Open
Abstract
Type II NADH:quinone oxidoreductase (NDH-2) is central to the respiratory chains of many organisms. It is not present in mammals so may be exploited as an antimicrobial drug target or used as a substitute for dysfunctional respiratory complex I in neuromuscular disorders. NDH-2 is a single-subunit monotopic membrane protein with just a flavin cofactor, yet no consensus exists on its mechanism. Here, we use steady-state and pre-steady-state kinetics combined with mutagenesis and structural studies to determine the mechanism of NDH-2 from Caldalkalibacillus thermarum. We show that the two substrate reactions occur independently, at different sites, and regardless of the occupancy of the partner site. We conclude that the reaction pathway is determined stochastically, by the substrate/product concentrations and dissociation constants, and can follow either a ping-pong or ternary mechanism. This mechanistic versatility provides a unified explanation for all extant data and a new foundation for the development of therapeutic strategies.
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44
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Gaillard T, Madamet M, Tsombeng FF, Dormoi J, Pradines B. Antibiotics in malaria therapy: which antibiotics except tetracyclines and macrolides may be used against malaria? Malar J 2016; 15:556. [PMID: 27846898 PMCID: PMC5109779 DOI: 10.1186/s12936-016-1613-y] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Accepted: 11/10/2016] [Indexed: 01/15/2023] Open
Abstract
Malaria, a parasite vector-borne disease, is one of the most significant health threats in tropical regions, despite the availability of individual chemoprophylaxis. Malaria chemoprophylaxis and chemotherapy remain a major area of research, and new drug molecules are constantly being developed before drug-resistant parasites strains emerge. The use of anti-malarial drugs is challenged by contra-indications, the level of resistance of Plasmodium falciparum in endemic areas, clinical tolerance and financial cost. New therapeutic approaches are currently needed to fight against this disease. Some antibiotics that have shown potential effects on malaria parasite have been recently studied in vitro or in vivo intensively. Two families, tetracyclines and macrolides and their derivatives have been particularly studied in recent years. However, other less well-known have been tested or are being used for malaria treatment. Some of these belong to older families, such as quinolones, co-trimoxazole or fusidic acid, while others are new drug molecules such as tigecycline. These emerging antibiotics could be used to prevent malaria in the future. In this review, the authors overview the use of antibiotics for malaria treatment.
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Affiliation(s)
- Tiphaine Gaillard
- Fédération des Laboratoires, Hôpital d'Instruction des Armées Saint Anne, Toulon, France.,Unité de Parasitologie et d'Entomologie, Département des Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France.,Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes, Aix Marseille Université, UM 63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France
| | - Marylin Madamet
- Unité de Parasitologie et d'Entomologie, Département des Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France.,Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes, Aix Marseille Université, UM 63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France.,Centre National de Référence du Paludisme, Marseille, France
| | - Francis Foguim Tsombeng
- Unité de Parasitologie et d'Entomologie, Département des Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France.,Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes, Aix Marseille Université, UM 63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France
| | - Jérôme Dormoi
- Unité de Parasitologie et d'Entomologie, Département des Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France.,Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes, Aix Marseille Université, UM 63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France
| | - Bruno Pradines
- Unité de Parasitologie et d'Entomologie, Département des Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France. .,Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes, Aix Marseille Université, UM 63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France. .,Centre National de Référence du Paludisme, Marseille, France.
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45
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Wang S, Zhao C, Liu T, Yu L, Yang F, Tang J. Efficient construction of 3-arylquinolin-4(1 H )-ones via in situ Meinwald rearrangement/intramolecular reductive cyclization of 2′-nitrochalcone epoxides. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.09.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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46
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Chen YR, Cho YC, Shih TL. Reinvestigation of ortho-amidoacetophenones' cyclization mediated by trimethylsilyl trifluoromethanesulfonate. The Lewis-acid-assisted and Brønsted-acid-catalyzed reaction. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.02.068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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47
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Aneja B, Kumar B, Jairajpuri MA, Abid M. A structure guided drug-discovery approach towards identification of Plasmodium inhibitors. RSC Adv 2016. [DOI: 10.1039/c5ra19673f] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
This article provides a comprehensive review of inhibitors from natural, semisynthetic or synthetic sources against key targets ofPlasmodium falciparum.
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Affiliation(s)
- Babita Aneja
- Medicinal Chemistry Lab
- Department of Biosciences
- Jamia Millia Islamia (A Central University)
- New Delhi 110025
- India
| | - Bhumika Kumar
- Medicinal Chemistry Lab
- Department of Biosciences
- Jamia Millia Islamia (A Central University)
- New Delhi 110025
- India
| | - Mohamad Aman Jairajpuri
- Protein Conformation and Enzymology Lab
- Department of Biosciences
- Jamia Millia Islamia (A Central University)
- New Delhi 110025
- India
| | - Mohammad Abid
- Medicinal Chemistry Lab
- Department of Biosciences
- Jamia Millia Islamia (A Central University)
- New Delhi 110025
- India
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48
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Horta P, Kuş N, Henriques MSC, Paixão JA, Coelho L, Nogueira F, O'Neill PM, Fausto R, Cristiano MLS. Quinolone-Hydroxyquinoline Tautomerism in Quinolone 3-Esters. Preserving the 4-Oxoquinoline Structure To Retain Antimalarial Activity. J Org Chem 2015; 80:12244-57. [PMID: 26551438 DOI: 10.1021/acs.joc.5b02169] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Recent publications report in vitro activity of quinolone 3-esters against the bc1 protein complex of Plasmodium falciparum and the parasite. Docking studies performed in silico at the yeast Qo site established a key role for the 4-oxo and N-H groups in drug-target interactions. Thus, the possibility of 4-oxoquinoline/4-hydroxyquinoline tautomerism may impact in pharmacologic profiles and should be investigated. We describe the synthesis, structure, photochemistry, and activity against multidrug-resistant P. falciparum strain Dd2 of ethyl 4-oxo-7-methylquinoline-3-carboxylate (7Me-OQE) and ethyl 4-hydroxy-5-methylquinoline-3-carboxylate (5Me-HQE), obtained from diethyl 2-[((3-methylphenyl)amino)methylene]malonate. Theoretically (B3LYP/6-311++G(d,p)), 5Me-HQE and 7Me-OQE show clear preference for the hydroxyquinoline form. The difference between the lowest energy hydroxyquinoline and quinolone forms is 27 and 38 kJ mol(-1), for 5Me-HQE and 7Me-OQE, respectively. Calculations of aromaticity indexes show that in 5Me-HQE both rings are aromatic, while in the corresponding oxo tautomers the nitrogen-containing ring is essentially non-aromatic. The structure of monomeric 5Me-HQE was studied using matrix isolation coupled to FTIR spectroscopy. No traces of 4-oxoquinoline tautomers were found in the experimental IR spectra, revealing that the species present in the crystal, 5Me-HQE·HCl, was lost HCl upon sublimation but did not tautomerize. Continuous broadband irradiation (λ > 220 nm; 130 min) of the matrix led to only partial photodecomposition of 5Me-HQE (ca. 1/3).
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Affiliation(s)
- Pedro Horta
- CCMAR and Department of Chemistry and Pharmacy, FCT, University of Algarve , P-8005-039 Faro, Portugal.,Department of Chemistry, University of Liverpool , Liverpool L69 7ZD, United Kingdom
| | - Nihal Kuş
- CQC, Department of Chemistry, University of Coimbra , P-3004-535 Coimbra, Portugal.,Department of Physics, Anadolu University , 26470 Eskişehir, Turkey
| | | | - José A Paixão
- CFisUC, Department of Physics, University of Coimbra , P-3004-516 Coimbra, Portugal
| | - Lis Coelho
- CMDT and Institute of Hygiene and Tropical Medicine, New University of Lisbon , P-1349-008 Lisboa, Portugal
| | - Fátima Nogueira
- CMDT and Institute of Hygiene and Tropical Medicine, New University of Lisbon , P-1349-008 Lisboa, Portugal
| | - Paul M O'Neill
- Department of Chemistry, University of Liverpool , Liverpool L69 7ZD, United Kingdom
| | - Rui Fausto
- CQC, Department of Chemistry, University of Coimbra , P-3004-535 Coimbra, Portugal
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49
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Kökten Ş, Çelik İ. N-(2-Aminobenzoyl)benzotriazole mediated and t-BuOK promoted synthesis of 2-substituted quinolone 3-carboxylates. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.09.109] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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50
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Synthesis, structural and conformational analysis, and IR spectra of ethyl 4-chloro-7-iodoquinoline-3-carboxylate. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.07.076] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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