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Gali S, Raghu D, Mallikanti V, Thumma V, Vaddiraju N. Design, synthesis of benzimidazole tethered 3,4-dihydro-2H-benzo[e] [1, 3] oxazines as anticancer agents. Mol Divers 2023:10.1007/s11030-023-10661-3. [PMID: 37233952 DOI: 10.1007/s11030-023-10661-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 05/17/2023] [Indexed: 05/27/2023]
Abstract
A series of novel 3-(1H-benzo[d]imidazol-2-yl)-3,4-dihydro-2H-benzo[e][1,3] oxazine analogues synthesized through a two-step synthetic protocol. The structure of the compounds were established by interpretation 1H NMR, 13C NMR and Mass spectral data recorded after purification. All the title compounds 4a-k were screened for their in vitro anti-cancer activity against two breast cancer cell lines MCF 7 and MDA-MB-231 by using Doxorubicin as standard reference. Compound 4e displayed superior activity against both the cell lines MCF-7 and MDA-MB-231 with IC50 values of 8.60 ± 0.75 and 6.30 ± 0.54 µM respectively, compared to the Doxorubicin IC50 value of 9.11 ± 0.54 and 8.47 ± 0.47 µM. Compound 4i also indicated good activity with IC50 value of 9.85 ± 0.69 μM on par with Doxorubicin against MCF-7 cells. Compound 4g demonstrated best activity on par with standard reference to IC50 value of 8.52 ± 0.62 μM against MDA-MB-231 cell line. And all other compounds demonstrated good to moderate activity compared to Doxorubicin. Docking studies against EGFR showed that all the compounds have very good binding affinities towards the target. The predicted drug-likeness properties of all compounds enable them to be used as therapeutic agents.
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Affiliation(s)
- Srinivas Gali
- Department of Chemistry, Satavahana University, Karimnagar, Telangana, 505001, India
- Department of Chemistry, SRR Government Arts and Science College, Karimnagar, Telangana, 505001, India
| | - D Raghu
- Department of Chemistry, Satavahana University, Karimnagar, Telangana, 505001, India
| | | | - Vishnu Thumma
- Department of Sciences and Humanities, Matrusri Engineering College, Hyderabad, Telangana, 500059, India
| | - Namratha Vaddiraju
- Department of Chemistry, Satavahana University, Karimnagar, Telangana, 505001, India.
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2
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Parwani D, Bhattacharya S, Rathore A, Mallick C, Asati V, Agarwal S, Rajoriya V, Das R, Kashaw SK. Current Insights into the Chemistry and Antitubercular Potential of Benzimidazole and Imidazole Derivatives. Mini Rev Med Chem 2021; 21:643-657. [PMID: 33138762 DOI: 10.2174/1389557520666201102094401] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/27/2020] [Accepted: 09/09/2020] [Indexed: 11/22/2022]
Abstract
Tuberculosis is a disease caused by Mycobacterium tuberculosis (Mtb), affecting millions of people worldwide. The emergence of drug resistance is a major problem in the successful treatment of tuberculosis. Due to the commencement of MDR-TB (multi-drug resistance) and XDR-TB (extensively drug resistance), there is a crucial need for the development of novel anti-tubercular agents with improved characteristics such as low toxicity, enhanced inhibitory activity and short duration of treatment. In this direction, various heterocyclic compounds have been synthesized and screened against Mycobacterium tuberculosis. Among them, benzimidazole and imidazole containing derivatives have been found to have potential anti-tubercular activity. The present review focuses on various imidazole and benzimidazole derivatives (from 2015-2019) with their structure-activity relationships in the treatment of tuberculosis.
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Affiliation(s)
- Deepa Parwani
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University (A Central University), Sagar (MP), India
| | - Sushanta Bhattacharya
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University (A Central University), Sagar (MP), India
| | - Akash Rathore
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University (A Central University), Sagar (MP), India
| | - Chaitali Mallick
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University (A Central University), Sagar (MP), India
| | - Vivek Asati
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University (A Central University), Sagar (MP), India
| | - Shivangi Agarwal
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University (A Central University), Sagar (MP), India
| | - Vaibhav Rajoriya
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University (A Central University), Sagar (MP), India
| | - Ratnesh Das
- Department of Chemistry, Dr. Harisingh Gour University (A Central University), Sagar (MP), India
| | - Sushil Kumar Kashaw
- Department of Pharmaceutical Sciences, Dr. Harisingh Gour University (A Central University), Sagar (MP), India
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3
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Showalter HD. Recent Progress in the Discovery and Development of 2-Nitroimidazooxazines and 6-Nitroimidazooxazoles to Treat Tuberculosis and Neglected Tropical Diseases. Molecules 2020; 25:molecules25184137. [PMID: 32927749 PMCID: PMC7576498 DOI: 10.3390/molecules25184137] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/04/2020] [Accepted: 09/08/2020] [Indexed: 12/02/2022] Open
Abstract
Nitroimidazole drugs have a long history as therapeutic agents to treat bacterial and parasitic diseases. The discovery in 1989 of a bicyclic nitroimidazole lead, displaying in vitro and in vivo antitubercular activity, spurred intensive exploration of this and related scaffolds, which led to the regulatory approval of pretomanid and delamanid as a new class of tuberculosis drugs. Much of the discovery work related to this took place over a 20-year period ending in 2010, which is covered in a number of cited reviews. This review highlights subsequent research published over the 2011–August 2020 timeframe, and captures detailed structure–activity relationship studies and synthetic strategies directed towards uncovering newer generation drugs for both tuberculosis and selected neglected tropical diseases. Additionally, this review presents in silico calculations relating to the drug-like properties of lead compounds and clinical agents, as well as chemical development and manufacturing processes toward providing bulk drug supplies.
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Affiliation(s)
- Hollis D Showalter
- Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, MI 48109, USA
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Palchykov VA, Gaponov AA. 1,3-Amino alcohols and their phenol analogs in heterocyclization reactions. ADVANCES IN HETEROCYCLIC CHEMISTRY 2020. [DOI: 10.1016/bs.aihch.2019.06.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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5
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Phenolic N-monosubstituted carbamates: Antitubercular and toxicity evaluation of multi-targeting compounds. Eur J Med Chem 2019; 181:111578. [DOI: 10.1016/j.ejmech.2019.111578] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 07/29/2019] [Accepted: 07/30/2019] [Indexed: 11/21/2022]
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Zinad DS, Mahal A, Mohapatra RK, Sarangi AK, Pratama MRF. Medicinal chemistry of oxazines as promising agents in drug discovery. Chem Biol Drug Des 2019; 95:16-47. [DOI: 10.1111/cbdd.13633] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 09/02/2019] [Accepted: 09/04/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Dhafer S. Zinad
- Applied Science Department University of Technology Baghdad Iraq
| | - Ahmed Mahal
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization and Guangdong Provincial Key Laboratory of Applied Botany South China Botanical Garden Chinese Academy of Sciences Guangzhou China
- Guangzhou HC Pharmaceutical Co., Ltd. Guangzhou China
| | - Ranjan K. Mohapatra
- Department of Chemistry Government College of Engineering Keonjhar Odisha India
| | - Ashish K. Sarangi
- Department of Chemistry Government College of Engineering Keonjhar Odisha India
| | - Mohammad Rizki Fadhil Pratama
- Department of Pharmacy Faculty of Health Sciences Muhammadiyah University of Palangkaraya Palangka Raya Indonesia
- Department of Pharmaceutical Chemistry Faculty of Pharmacy Airlangga University Surabaya Indonesia
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Tao X, Gao C, Huang ZG, Luo W, Liu KL, Peng CT, Ding CZ, Li J, Chen SH, Yu LT. Discovery and evaluation of novel nitrodihydroimidazooxazoles as promising anti-tuberculosis agents. Bioorg Med Chem Lett 2019; 29:2511-2515. [PMID: 31353295 DOI: 10.1016/j.bmcl.2019.06.055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 06/27/2019] [Accepted: 06/28/2019] [Indexed: 02/06/2023]
Abstract
New analogues of antitubercular drug Delamanid were prepared, seeking drug candidates with enhanced aqueous solubility and high efficacy. The strategy involved replacement of phenoxy linker proximal to the 2-nitroimidazooxazole of Delamanid by piperidine fused 5 or 6-membered ring heterocycles (ring A). The new compounds were all more hydrophilic than Delamanid, and several class of analogues showed remarkable activities against M. bovis. And among these series, the tetrahydro-naphthyridine-linked nitroimidazoles displayed excellent antimycobacterial activity against both replicating (MABA) and nonreplicating (LORA) M. tb H37Rv and low cytotoxicity. Compared to Delamanid, these new compounds (6, 7, 45) demonstrated dramatically improved physicochemical properties and are suitable for further in vitro and in vivo evaluation.
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Affiliation(s)
- Xin Tao
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China; Changzhou Yinsheng Pharmacy Co., Ltd., Weitang Chemical Industry Zone, Changzhou 213000, China
| | - Chao Gao
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zhi-Gang Huang
- WuXi AppTec. Co. Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Wei Luo
- WuXi AppTec. Co. Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Kun-Lin Liu
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Cui-Ting Peng
- Department of Obstetrics & Gynecology, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Charles Z Ding
- WuXi AppTec. Co. Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Jian Li
- WuXi AppTec. Co. Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Shu-Hui Chen
- WuXi AppTec. Co. Ltd., 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, China
| | - Luo-Ting Yu
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China.
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Abstract
The nitro group is considered to be a versatile and unique functional group in medicinal chemistry. Despite a long history of use in therapeutics, the nitro group has toxicity issues and is often categorized as a structural alert or a toxicophore, and evidence related to drugs containing nitro groups is rather contradictory. In general, drugs containing nitro groups have been extensively associated with mutagenicity and genotoxicity. In this context, efforts toward the structure-mutagenicity or structure-genotoxicity relationships have been undertaken. The current Perspective covers various aspects of agents that contain nitro groups, their bioreductive activation mechanisms, their toxicities, and approaches to combat their toxicity issues. In addition, recent advances in the field of anticancer, antitubercular and antiparasitic agents containing nitro groups, along with a patent survey on hypoxia-activated prodrugs containing nitro groups, are also covered.
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Affiliation(s)
- Kunal Nepali
- School of Pharmacy, College of Pharmacy , Taipei Medical University , 250 Wuxing Street , Taipei 11031 , Taiwan
| | - Hsueh-Yun Lee
- School of Pharmacy, College of Pharmacy , Taipei Medical University , 250 Wuxing Street , Taipei 11031 , Taiwan
| | - Jing-Ping Liou
- School of Pharmacy, College of Pharmacy , Taipei Medical University , 250 Wuxing Street , Taipei 11031 , Taiwan
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Fan YL, Jin XH, Huang ZP, Yu HF, Zeng ZG, Gao T, Feng LS. Recent advances of imidazole-containing derivatives as anti-tubercular agents. Eur J Med Chem 2018; 150:347-365. [PMID: 29544148 DOI: 10.1016/j.ejmech.2018.03.016] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 03/02/2018] [Accepted: 03/04/2018] [Indexed: 12/20/2022]
Abstract
Tuberculosis still remains one of the most common, communicable, and leading deadliest diseases known to mankind throughout the world. Drug-resistance in Mycobacterium tuberculosis which threatens to worsen the global tuberculosis epidemic has caused great concern in recent years. To overcome the resistance, the development of new drugs with novel mechanisms of actions is of great importance. Imidazole-containing derivatives endow with various biological properties, and some of them demonstrated excellent anti-tubercular activity. As the most emblematic example, 4-nitroimidazole delamanid has already received approval for treatment of multidrug-resistant tuberculosis infected patients. Thus, imidazole-containing derivatives have caused great interests in discovery of new anti-tubercular agents. Numerous of imidazole-containing derivatives were synthesized and screened for their in vitro and in vivo anti-mycobacterial activities against both drug-sensitive and drug-resistant Mycobacterium tuberculosis pathogens. This review aims to outline the recent advances of imidazole-containing derivatives as anti-tubercular agents, and summarize the structure-activity relationship of these derivatives. The enriched structure-activity relationship may pave the way for the further rational development of imidazole-containing derivatives as anti-tubercular agents.
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Affiliation(s)
- Yi-Lei Fan
- Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Zhejiang Police College, Hangzhou, PR China
| | - Xiao-Hong Jin
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, PR China
| | - Zhong-Ping Huang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, PR China.
| | - Hai-Feng Yu
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, PR China
| | - Zhi-Gang Zeng
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, PR China
| | - Tao Gao
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, PR China.
| | - Lian-Shun Feng
- Synthetic and Functional Biomolecules Center, Peking University, Beijing, PR China
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Li DG, Ren ZX. Cordyceps sinensis promotes immune regulation and enhances bacteriostatic activity of PA-824 via IL-10 in Mycobacterium tuberculosis disease. ACTA ACUST UNITED AC 2017; 50:e6188. [PMID: 28793052 PMCID: PMC5572845 DOI: 10.1590/1414-431x20176188] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Accepted: 04/27/2017] [Indexed: 11/22/2022]
Abstract
PA-824 is a novel bicyclic nitroimidazole anti-tuberculosis (TB) drug. Cordyceps sinensis (Berk.) Sacc. (CS) was proven to be a good immunomodulatory compound. This research aimed to investigate the effect of CS on PA-824 in Mycobacterium tuberculosis (M.tb) infected mice (female CBA/J mice, 6 to 8 weeks of age and 20±2 g of weight). Mice were randomly assigned to 4 groups: PA-824, CS, PA-824+CS, and control. To verify the effect of PA-824 and CS on M.tb, after drug administration, mice lungs were harvested and bacterial colony formations were measured. Cells were isolated from infected lungs and spleens to analyze the percentage of CD4+ T cells (CD11a positive). Lung cells were cultured to detect the secretion of interferon-γ (IFN-γ) and interleukin-10 (IL-10) by ELISA. IFN-γ and IL-10 double-positive CD4+ cells in peripheral blood were measured by flow cytometry. The expression levels of IL-2 and IL-10 in mice lungs were analyzed by real-time PCR and western blot. Results showed that PA-824 combined with CS led to the lowest lung colony-forming units (CFU) counts among treated groups. Furthermore, this beneficial outcome might be associated with the decreased CD11a on CD4+ cells in mice lungs and spleens. Moreover, the suppressed secretion of IFN-γ and IL-10, and IL-10 expressions, as well as the decreased IFN-γ and IL-10 double-positive CD4+ cells in blood, could also be associated with the positive effect. However, no significant effect on IL-2 production was found. The combination of PA-824 and CS had more effective bacteriostatic and immunomodulatory effects on M.tb infected mice than PA-824 alone. In conclusion, CS has the potential to be an effective adjuvant in TB treatment.
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Affiliation(s)
- D G Li
- Department of Respiratory Medicine, East Medical District of Linyi People's Hospital, Linyi, Shandong, China
| | - Z X Ren
- Department of Respiratory Medicine, East Medical District of Linyi People's Hospital, Linyi, Shandong, China
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Thompson AM, O'Connor PD, Marshall AJ, Yardley V, Maes L, Gupta S, Launay D, Braillard S, Chatelain E, Franzblau SG, Wan B, Wang Y, Ma Z, Cooper CB, Denny WA. 7-Substituted 2-Nitro-5,6-dihydroimidazo[2,1-b][1,3]oxazines: Novel Antitubercular Agents Lead to a New Preclinical Candidate for Visceral Leishmaniasis. J Med Chem 2017; 60:4212-4233. [PMID: 28459575 PMCID: PMC7722354 DOI: 10.1021/acs.jmedchem.7b00034] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Within a backup program for the clinical investigational agent pretomanid (PA-824), scaffold hopping from delamanid inspired the discovery of a novel class of potent antitubercular agents that unexpectedly possessed notable utility against the kinetoplastid disease visceral leishmaniasis (VL). Following the identification of delamanid analogue DNDI-VL-2098 as a VL preclinical candidate, this structurally related 7-substituted 2-nitro-5,6-dihydroimidazo[2,1-b][1,3]oxazine class was further explored, seeking efficacious backup compounds with improved solubility and safety. Commencing with a biphenyl lead, bioisosteres formed by replacing one phenyl by pyridine or pyrimidine showed improved solubility and potency, whereas more hydrophilic side chains reduced VL activity. In a Leishmania donovani mouse model, two racemic phenylpyridines (71 and 93) were superior, with the former providing >99% inhibition at 12.5 mg/kg (b.i.d., orally) in the Leishmania infantum hamster model. Overall, the 7R enantiomer of 71 (79) displayed more optimal efficacy, pharmacokinetics, and safety, leading to its selection as the preferred development candidate.
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Affiliation(s)
- Andrew M Thompson
- Auckland Cancer Society Research Centre, School of Medical Sciences, The University of Auckland , Private Bag 92019, Auckland 1142, New Zealand
| | - Patrick D O'Connor
- Auckland Cancer Society Research Centre, School of Medical Sciences, The University of Auckland , Private Bag 92019, Auckland 1142, New Zealand
| | - Andrew J Marshall
- Auckland Cancer Society Research Centre, School of Medical Sciences, The University of Auckland , Private Bag 92019, Auckland 1142, New Zealand
| | - Vanessa Yardley
- Faculty of Infectious & Tropical Diseases, London School of Hygiene & Tropical Medicine , Keppel Street, London WC1E 7HT, United Kingdom
| | - Louis Maes
- Laboratory for Microbiology, Parasitology and Hygiene, Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp , Universiteitsplein 1, B-2610 Antwerp, Belgium
| | - Suman Gupta
- Division of Parasitology, CSIR-Central Drug Research Institute , Lucknow 226031, India
| | - Delphine Launay
- Drugs for Neglected Diseases initiative, 15 Chemin Louis Dunant, 1202 Geneva, Switzerland
| | - Stephanie Braillard
- Drugs for Neglected Diseases initiative, 15 Chemin Louis Dunant, 1202 Geneva, Switzerland
| | - Eric Chatelain
- Drugs for Neglected Diseases initiative, 15 Chemin Louis Dunant, 1202 Geneva, Switzerland
| | - Scott G Franzblau
- Institute for Tuberculosis Research, College of Pharmacy, University of Illinois at Chicago , 833 South Wood Street, Chicago, Illinois 60612, United States
| | - Baojie Wan
- Institute for Tuberculosis Research, College of Pharmacy, University of Illinois at Chicago , 833 South Wood Street, Chicago, Illinois 60612, United States
| | - Yuehong Wang
- Institute for Tuberculosis Research, College of Pharmacy, University of Illinois at Chicago , 833 South Wood Street, Chicago, Illinois 60612, United States
| | - Zhenkun Ma
- Global Alliance for TB Drug Development , 40 Wall Street, New York 10005, United States
| | - Christopher B Cooper
- Global Alliance for TB Drug Development , 40 Wall Street, New York 10005, United States
| | - William A Denny
- Auckland Cancer Society Research Centre, School of Medical Sciences, The University of Auckland , Private Bag 92019, Auckland 1142, New Zealand
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