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Kellogg JJ, Alonso MN, Jordan RT, Xiao J, Cafiero JH, Bush T, Chen X, Towler M, Weathers P, Shell SS. An O-methylflavone from Artemisia afra kills non-replicating hypoxic Mycobacterium tuberculosis. JOURNAL OF ETHNOPHARMACOLOGY 2024; 333:118500. [PMID: 38944359 PMCID: PMC11285045 DOI: 10.1016/j.jep.2024.118500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 07/01/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE African wormwood (Artemisia afra Jacq. ex Willd.) has been used traditionally in southern Africa to treat illnesses causing fever and was recently shown to possess anti-tuberculosis activity. As tuberculosis is an endemic cause of fever in southern Africa, this suggests that the anti-tubercular activity of A. afra may have contributed to its traditional medicinal use. AIM OF THE STUDY Tuberculosis, caused by Mycobacterium tuberculosis (Mtb), is a deadly and debilitating disease globally affecting millions annually. Emerging drug-resistant Mtb strains endanger the efficacy of the current therapies employed to treat tuberculosis; therefore, there is an urgent need to develop novel drugs to combat this disease. Given the reported activity of A. afra against Mtb, we sought to determine the mechanisms by which A. afra inhibits and kills this bacterium. MATERIALS AND METHODS We used transcriptomics to investigate the impact of Artemisia spp. extracts on Mtb physiology. We then used chromatographic fractionation and biochemometric analyses to identify a bioactive fractions of A. afra extracts and identify an active compound. RESULTS Transcriptomic analysis revealed that A. afra exerts different effects on Mtb compared to A. annua or artemisinin, suggesting that A. afra possesses other phytochemicals with unique modes of action. A biochemometric study of A. afra resulted in the isolation of an O-methylflavone (1), 5-hydroxy-7-methoxy-2-(4-methoxyphenyl)chromen-4-one, which displayed considerable activity against Mtb strain mc26230 in both log phase growth and metabolically downshifted hypoxic cultures. CONCLUSIONS The present study demonstrated that an O-methylflavone constituent of Artemisia afra explains part of the activity of this plant against Mtb. This result contributes to a mechanistic understanding of the reported anti-tubercular activity of A. afra and highlights the need for further study of this traditional medicinal plant and its active compounds.
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Affiliation(s)
- Joshua J Kellogg
- Department of Veterinary & Biomedical Sciences, Pennsylvania State University, University Park, PA, 16802, USA.
| | - Maria Natalia Alonso
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - R Teal Jordan
- Department of Veterinary & Biomedical Sciences, Pennsylvania State University, University Park, PA, 16802, USA
| | - Junpei Xiao
- Program in Bioinformatics and Computational Biology, Worcester Polytechnic Institute, Worcester, MA, 01609, USA
| | - Juan Hilario Cafiero
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Trevor Bush
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Xiaoling Chen
- Department of Veterinary & Biomedical Sciences, Pennsylvania State University, University Park, PA, 16802, USA
| | - Melissa Towler
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Pamela Weathers
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609, USA
| | - Scarlet S Shell
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609, USA.
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2
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Upadhyay A, Pal D, Gupta PK, Kumar A. Antimicrobial therapeutic protein extraction from fruit waste and recent trends in their utilization against infections. Bioprocess Biosyst Eng 2024:10.1007/s00449-024-03037-w. [PMID: 38822156 DOI: 10.1007/s00449-024-03037-w] [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: 01/16/2024] [Accepted: 05/24/2024] [Indexed: 06/02/2024]
Abstract
Fruits are a very good source of various nutrients that can boost overall human health. In these days, the recovery of therapeutic compounds from different fruit wastes is trending in research, which might not only minimize the waste problem but also encounter a higher demand for various enzymes that could have antimicrobial properties against infectious diseases. The goal of this review is to focus on the recovery of therapeutic enzymes from fruit wastes and its present-day tendency for utilization. Here we discussed different parts of fruit waste, such as pulp, pomace, seed, kernel, peel, etc., that produce therapeutic enzymes like amylase, cellulose, lipase, laccase, pectinase, etc. These bioactive enzymes are present in different parts of fruit and could be used as therapeutics against various infectious diseases. This article provides a thorough knowledge compilation of therapeutic enzyme isolation from fruit waste on a single platform, distinctly informative, and significant review work on the topic that is envisioned to encourage further research ideas in these areas that are still under-explored. This paper explains the various aspects of enzyme isolation from fruit and vegetable waste and their biotherapeutic potential that could provide new insights into the development of biotherapeutics and attract the attention of researchers to enhance translational research magnitude further.
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Affiliation(s)
- Aditya Upadhyay
- Department of Biotechnology, National Institute of Technology, Raipur, Chhattisgarh, 492010, India
| | - Dharm Pal
- Department of Chemical Engineering, National Institute of Technology, Raipur, Chhattisgarh, 492010, India
| | - Prashant Kumar Gupta
- Department of Kaumarabhritya, All India Institute of Ayurveda, Sarita Vihar, New Delhi, 110076, India.
| | - Awanish Kumar
- Department of Biotechnology, National Institute of Technology, Raipur, Chhattisgarh, 492010, India.
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Baddam SR, Avula MK, Akula R, Battula VR, Kalagara S, Buchikonda R, Ganta S, Venkatesan S, Allaka TR. Design, synthesis and in silico molecular docking evaluation of novel 1,2,3-triazole derivatives as potent antimicrobial agents. Heliyon 2024; 10:e27773. [PMID: 38590856 PMCID: PMC10999864 DOI: 10.1016/j.heliyon.2024.e27773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 03/06/2024] [Accepted: 03/06/2024] [Indexed: 04/10/2024] Open
Abstract
Chalcone and triazole scaffolds have demonstrated a crucial role in the advancement of science and technology. Due to their significance, research has proceeded on the design and development of novel benzooxepine connected to 1,2,3-triazolyl chalcone structures. The new chalcone derivatives produced by benzooxepine triazole methyl ketone 2 and different aromatic carbonyl compounds 3 are discussed in this paper. All prepared compounds have well-established structures to a variety of spectral approaches, including mass analysis, 1H NMR, 13C NMR, and IR. Among the tested compounds, hybrids 4c, 4d, 4i, and 4k exhibited exceptional antibacterial susceptibilities with MIC range of 3.59-10.30 μM against the tested S. aureus strain. Compounds 4c, 4d displayed superior antifungal activity against F. oxysporum with MIC 3.25, 4.89 μM, when compared to fluconazole (MIC = 3.83 μM) respectively. On the other hand, analogues 4d, 4f, and 4k demonstrated equivalent antitubercular action against H37Rv strain with MIC range of 2.16-4.90 μM. The capacity of ligand 4f to form a stable compound on the active site of CYP51 from M. tuberculosis (1EA1) was confirmed by docking studies using amino acids Leu321(A), Pro77(A), Phe83(A), Lys74(A), Tyr76(A), Ala73(A), Arg96(A), Thr80(A), Met79(A), His259(A), and Gln72(A). Additionally, the chalcone‒1,2,3‒triazole hybrids ADME (absorption, distribution, metabolism, and excretion), characteristics of molecules, estimations of toxicity, and bioactivity parameters were assessed.
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Affiliation(s)
- Sudhakar Reddy Baddam
- University of Massachusetts Chan Medical School, RNA Therapeutic Institute, Worcester, MA, 01655, United States
| | - Mahesh Kumar Avula
- Technology Development Center, Custom Pharmaceutical Services, Dr. Reddy's Laboratories Pvt. Ltd., Hyderabad, Telangana, 500049, India
- Department of Organic Chemistry and FDW, Andhra University, Visakhapatnam, Andhra Pradesh, 530003, India
| | - Raghunadh Akula
- Technology Development Center, Custom Pharmaceutical Services, Dr. Reddy's Laboratories Pvt. Ltd., Hyderabad, Telangana, 500049, India
| | - Venkateswara Rao Battula
- Department of Chemistry, AU College of Engineering (A), Andhra University, Visakhapatnam, Andhra Pradesh, 530003, India
| | - Sudhakar Kalagara
- Department of Chemistry and Biochemistry, University of the Texas at El Paso, El Paso, TX, 79968, United States
| | - Ravinder Buchikonda
- Technology Development Center, Custom Pharmaceutical Services, Dr. Reddy's Laboratories Pvt. Ltd., Hyderabad, Telangana, 500049, India
| | - Srinivas Ganta
- ScieGen Pharmaceutical Inc., Hauppauge, NY, 11788, United States
| | - Srinivasadesikan Venkatesan
- Department of Chemistry, School of Applied Science and Humanities, VIGNAN's Foundation for Science, Technology and Research, Vadlamudi, Andhra Pradesh, 522213, India
| | - Tejeswara Rao Allaka
- Centre for Chemical Sciences and Technology, Institute of Science and Technology, Jawaharlal Nehru Technological University Hyderabad, Kukatpally, Hyderabad, Telangana, 500085, India
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4
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Xiong XS, Zhang XD, Yan JW, Huang TT, Liu ZZ, Li ZK, Wang L, Li F. Identification of Mycobacterium tuberculosis Resistance to Common Antibiotics: An Overview of Current Methods and Techniques. Infect Drug Resist 2024; 17:1491-1506. [PMID: 38628245 PMCID: PMC11020249 DOI: 10.2147/idr.s457308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 03/26/2024] [Indexed: 04/19/2024] Open
Abstract
Multidrug-resistant tuberculosis (MDR-TB) is an essential cause of tuberculosis treatment failure and death of tuberculosis patients. The rapid and reliable profiling of Mycobacterium tuberculosis (MTB) drug resistance in the early stage is a critical research area for public health. Then, most traditional approaches for detecting MTB are time-consuming and costly, leading to the inappropriate therapeutic schedule resting on the ambiguous information of MTB drug resistance, increasing patient economic burden, morbidity, and mortality. Therefore, novel diagnosis methods are frequently required to meet the emerging challenges of MTB drug resistance distinguish. Considering the difficulty in treating MDR-TB, it is urgently required for the development of rapid and accurate methods in the identification of drug resistance profiles of MTB in clinical diagnosis. This review discussed recent advances in MTB drug resistance detection, focusing on developing emerging approaches and their applications in tangled clinical situations. In particular, a brief overview of antibiotic resistance to MTB was present, referred to as intrinsic bacterial resistance, consisting of cell wall barriers and efflux pumping action and acquired resistance caused by genetic mutations. Then, different drug susceptibility test (DST) methods were described, including phenotype DST, genotype DST and novel DST methods. The phenotype DST includes nitrate reductase assay, RocheTM solid ratio method, and liquid culture method and genotype DST includes fluorescent PCR, GeneXpert, PCR reverse dot hybridization, ddPCR, next-generation sequencing and gene chips. Then, novel DST methods were described, including metabolism testing, cell-free DNA probe, CRISPR assay, and spectral analysis technique. The limitations, challenges, and perspectives of different techniques for drug resistance are also discussed. These methods significantly improve the detection sensitivity and accuracy of multidrug-resistant tuberculosis (MRT) and can effectively curb the incidence of drug-resistant tuberculosis and accelerate the process of tuberculosis eradication.
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Affiliation(s)
- Xue-Song Xiong
- Department of Laboratory Medicine, The Affiliated Huai’an Hospital of Yangzhou University, Huai’an, Jiangsu Province, People’s Republic of China
- Department of Laboratory Medicine, The Fifth People’s Hospital of Huai’an, Huai’an, Jiangsu Province, People’s Republic of China
| | - Xue-Di Zhang
- Department of Laboratory Medicine, Xuzhou Infectious Diseases Hospital, Xuzhou, Jiangsu Province, People’s Republic of China
| | - Jia-Wei Yan
- Department of Laboratory Medicine, Xuzhou Infectious Diseases Hospital, Xuzhou, Jiangsu Province, People’s Republic of China
| | - Ting-Ting Huang
- Department of Laboratory Medicine, The Affiliated Huai’an Hospital of Yangzhou University, Huai’an, Jiangsu Province, People’s Republic of China
- Department of Laboratory Medicine, The Fifth People’s Hospital of Huai’an, Huai’an, Jiangsu Province, People’s Republic of China
| | - Zhan-Zhong Liu
- Department of Pharmacy, Xuzhou Infectious Diseases Hospital, Xuzhou, Jiangsu Province, People’s Republic of China
| | - Zheng-Kang Li
- Department of Laboratory Medicine, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Liang Wang
- Department of Laboratory Medicine, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Fen Li
- Department of Laboratory Medicine, The Affiliated Huai’an Hospital of Yangzhou University, Huai’an, Jiangsu Province, People’s Republic of China
- Department of Laboratory Medicine, The Fifth People’s Hospital of Huai’an, Huai’an, Jiangsu Province, People’s Republic of China
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5
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Gaidhane IV, Biegas KJ, Erickson HE, Agarwal P, Chhonker YS, Ronning DR, Swarts BM. Chemical remodeling of the mycomembrane with chain-truncated lipids sensitizes mycobacteria to rifampicin. Chem Commun (Camb) 2023; 59:13859-13862. [PMID: 37929833 PMCID: PMC10872977 DOI: 10.1039/d3cc02364h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
The outer mycomembrane of Mycobacterium tuberculosis and related pathogens is a robust permeability barrier that protects against antibiotic treatment. Here, we demonstrate that synthetic analogues of the mycomembrane biosynthetic precursor trehalose monomycolate bearing truncated lipid chains increase permeability of Mycobacterium smegmatis cells and sensitize them to treatment with the first-line anti-tubercular drug rifampicin. The reported strategy may be useful for enhancing entry of drugs and other molecules to mycobacterial cells, and represents a new way to study mycomembrane structure and function.
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Affiliation(s)
- Ishani V Gaidhane
- Department of Chemistry and Biochemistry, Central Michigan University, Mount Pleasant, MI, USA.
| | - Kyle J Biegas
- Department of Chemistry and Biochemistry, Central Michigan University, Mount Pleasant, MI, USA.
- Biochemistry, Cell, and Molecular Biology Graduate Programs, Central Michigan University, Mount Pleasant, MI, USA
| | - Helen E Erickson
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE, USA
| | - Prachi Agarwal
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE, USA
| | - Yashpal S Chhonker
- Clinical Pharmacology Laboratory, Department of Pharmacy Practice and Science, University of Nebraska Medical Center, Omaha, NE, USA
| | - Donald R Ronning
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE, USA
| | - Benjamin M Swarts
- Department of Chemistry and Biochemistry, Central Michigan University, Mount Pleasant, MI, USA.
- Biochemistry, Cell, and Molecular Biology Graduate Programs, Central Michigan University, Mount Pleasant, MI, USA
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6
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Xia F, Zhang H, Yang H, Zheng M, Min W, Sun C, Yuan K, Yang P. Targeting polyketide synthase 13 for the treatment of tuberculosis. Eur J Med Chem 2023; 259:115702. [PMID: 37544185 DOI: 10.1016/j.ejmech.2023.115702] [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: 06/17/2023] [Revised: 07/15/2023] [Accepted: 07/29/2023] [Indexed: 08/08/2023]
Abstract
Tuberculosis (TB) is one of the most threatening diseases for humans, however, the drug treatment strategy for TB has been stagnant and inadequate, which could not meet current treatment needs. TB is caused by Mycobacterial tuberculosis, which has a unique cell wall that plays a crucial role in its growth, virulence, and drug resistance. Polyketide synthase 13 (Pks13) is an essential enzyme that catalyzes the biosynthesis of the cell wall and its critical role is only found in Mycobacteria. Therefore, Pks13 is a promising target for developing novel anti-TB drugs. In this review, we first introduced the mechanism of targeting Pks13 for TB treatment. Subsequently, we focused on summarizing the recent advance of Pks13 inhibitors, including the challenges encountered during their discovery and the rational design strategies employed to overcome these obstacles, which could be helpful for the development of novel Pks13 inhibitors in the future.
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Affiliation(s)
- Fei Xia
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Haoling Zhang
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Huanaoyu Yang
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Mingming Zheng
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Wenjian Min
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Chengliang Sun
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China.
| | - Kai Yuan
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China.
| | - Peng Yang
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China; Institute of Innovative Drug Discovery and Development, China Pharmaceutical University, Nanjing, 211198, China.
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7
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Kellogg JJ, Alonso MN, Jordan RT, Xiao J, Cafiero JH, Bush T, Towler M, Weathers P, Shell SS. A methoxylated flavone from Artemisia afra kills Mycobacterium tuberculosis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.11.561885. [PMID: 37873198 PMCID: PMC10592739 DOI: 10.1101/2023.10.11.561885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Tuberculosis, caused by Mycobacterium tuberculosis (Mtb), is a deadly and debilitating disease globally affecting millions annually. Emerging drug-resistant Mtb strains endanger the efficacy of the current combination therapies employed to treat tuberculosis; therefore, there is an urgent need to develop novel drugs to combat this disease. Artemisia afra is used traditionally in southern Africa to treat malaria and recently has shown anti tuberculosis activity. This genus synthesizes a prodigious number of phytochemicals, many of which have demonstrated human health effects. Transcriptomic analysis revealed that A. afra exerts different effects on Mtb compared to A. annua or the well-known antimalarial artemisinin, suggesting other phytochemicals present in A. afra with unique modes of action. A biochemometric study of A. afra resulted in the isolation of a methoxylated flavone (1), which displayed considerable activity against Mtb strain mc26230. Compound 1 had an MIC of 312.5 μg/mL and yielded no viable colonies after 6 days of treatment. In addition, 1 was effective in killing hypoxic Mtb cultures, with no viable cultures after 2 days of treatment. This suggested that A. afra is a source of potentially powerful anti-Mtb phytochemicals with novel mechanisms of action.
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Affiliation(s)
- Joshua J Kellogg
- Department of Veterinary & Biomedical Sciences, Pennsylvania State University, University Park, PA, 16802
| | - Maria Natalia Alonso
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609
| | - R Teal Jordan
- Department of Veterinary & Biomedical Sciences, Pennsylvania State University, University Park, PA, 16802
| | - Junpei Xiao
- Program in Bioinformatics and Computational Biology, Worcester Polytechnic Institute, Worcester, MA 01609
| | - Juan Hilario Cafiero
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609
| | - Trevor Bush
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609
| | - Melissa Towler
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609
| | - Pamela Weathers
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609
| | - Scarlet S Shell
- Department of Biology & Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01609
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Sachan RK, Mistry V, Dholaria M, Rana A, Devgon I, Ali I, Iqbal J, Eldin SM, Mohammad Said Al-Tawaha AR, Bawazeer S, Dutta J, Karnwal A. Overcoming Mycobacterium tuberculosis Drug Resistance: Novel Medications and Repositioning Strategies. ACS OMEGA 2023; 8:32244-32257. [PMID: 37720746 PMCID: PMC10500578 DOI: 10.1021/acsomega.3c02563] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 08/10/2023] [Indexed: 09/19/2023]
Abstract
Mycobacterium tuberculosis, the bacterium responsible for tuberculosis, is a global health concern, affecting millions worldwide. This bacterium has earned a reputation as a formidable adversary due to its multidrug-resistant nature, allowing it to withstand many antibiotics. The development of this drug resistance in Mycobacterium tuberculosis is attributed to innate and acquired mechanisms. In the past, rifampin was considered a potent medication for treating tuberculosis infections. However, the rapid development of resistance to this drug by the bacterium underscores the pressing need for new therapeutic agents. Fortunately, several other medications previously overlooked for tuberculosis treatment are already available in the market. Moreover, several innovative drugs are under clinical investigation, offering hope for more effective treatments. To enhance the effectiveness of these drugs, it is recommended that researchers concentrate on identifying unique target sites within the bacterium during the drug development process. This strategy could potentially circumvent the issues presented by Mycobacterium drug resistance. This review primarily focuses on the characteristics of novel drug resistance mechanisms in Mycobacterium tuberculosis. It also discusses potential medications being repositioned or sourced from novel origins. The ultimate objective of this review is to discover efficacious treatments for tuberculosis that can successfully tackle the hurdles posed by Mycobacterium drug resistance.
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Affiliation(s)
| | - Vyoma Mistry
- C.
G. Bhakta Institute of Biotechnology, Uka
Tarsadia University, Bardoli 394350, Surat, India
| | - Mayuri Dholaria
- Naran
Lala College of Professional and Applied Sciences, Navsari 396450, Gujarat, India
| | - Abhishek Rana
- Jindal
Global Law School, OP Jindal Global University, Sonepat 131001, Haryana, India
| | - Inderpal Devgon
- Lovely
Professional University, Phagwara 144411, Punjab, India
| | - Iftikhar Ali
- Center
for Plant Science and Biodiversity, University
of Swat, Charbagh 19120, Pakistan
- Department
of Genetics and Development, Columbia University
Irving Medical Center, New York, New York 10032, United States
| | - Javed Iqbal
- Department
of Botany, Bacha Khan University, Charsadda, 24420 Khyber Pakhtunkhwa, Pakistan
| | - Sayed M. Eldin
- Center
of Research, Faculty of Engineering, Future
University in Egypt, New Cairo 11835, Egypt
| | | | - Sami Bawazeer
- Faculty
of Pharmacy, Department of Pharmacognosy, Umm Al-Qura University, Makkah 4041-4152, Kingdom of Saudi Arabia
| | - Joydeep Dutta
- Lovely
Professional University, Phagwara 144411, Punjab, India
| | - Arun Karnwal
- Lovely
Professional University, Phagwara 144411, Punjab, India
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9
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Hang NTL, Hijikata M, Maeda S, Thuong PH, Huan HV, Hoang NP, Tam DB, Anh PT, Huyen NT, Cuong VC, Kobayashi N, Wakabayashi K, Miyabayashi A, Seto S, Keicho N. Host-pathogen relationship in retreated tuberculosis with major rifampicin resistance-conferring mutations. Front Microbiol 2023; 14:1187390. [PMID: 37469437 PMCID: PMC10352910 DOI: 10.3389/fmicb.2023.1187390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 06/09/2023] [Indexed: 07/21/2023] Open
Abstract
Introduction It is assumed that host defense systems eliminating the pathogen and regulating tissue damage make a strong impact on the outcome of tuberculosis (TB) disease and that these processes are affected by rifampicin (RIF) resistance-conferring mutations of Mycobacterium tuberculosis (Mtb). However, the host responses to the pathogen harboring different mutations have not been studied comprehensively in clinical settings. We analyzed clinico-epidemiological factors and blood transcriptomic signatures associated with major rpoB mutations conferring RIF resistance in a cohort study. Methods Demographic data were collected from 295 active pulmonary TB patients with treatment history in Hanoi, Vietnam. When recruited, drug resistance-conferring mutations and lineage-specific variations were identified using whole-genome sequencing of clinical Mtb isolates. Before starting retreatment, total RNA was extracted from the whole blood of HIV-negative patients infected with Mtb that carried either the rpoB H445Y or rpoB S450L mutation, and the total RNA was subjected to RNA sequencing after age-gender matching. The individual RNA expression levels in the blood sample set were also measured using real-time RT-PCR. Logistic and linear regression models were used to assess possible associations. Results In our cohort, rpoB S450L and rpoB H445Y were major RIF resistance-conferring mutations [32/87 (36.8%) and 15/87 (17.2%), respectively]. H445Y was enriched in the ancient Beijing genotype and was associated with nonsynonymous mutations of Rv1830 that has been reported to regulate antibiotic resilience. H445Y was also more frequently observed in genetically clustered strains and in samples from patients who had received more than one TB treatment episode. According to the RNA sequencing, gene sets involved in the interferon-γ and-α pathways were downregulated in H445Y compared with S450L. The qRT-PCR analysis also confirmed the low expression levels of interferon-inducible genes, including BATF2 and SERPING1, in the H445Y group, particularly in patients with extensive lesions on chest X-ray. Discussion Our study results showed that rpoB mutations as well as Mtb sublineage with additional genetic variants may have significant effects on host response. These findings strengthen the rationale for investigation of host-pathogen interactions to develop countermeasures against epidemics of drug-resistant TB.
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Affiliation(s)
| | - Minako Hijikata
- Department of Pathophysiology and Host Defense, The Research Institute of Tuberculosis, JATA, Tokyo, Japan
| | - Shinji Maeda
- Faculty of Pharmaceutical Sciences, Hokkaido University of Science, Sapporo, Hokkaido, Japan
| | | | | | | | - Do Bang Tam
- Department of Biochemistry, Hematology and Blood Transfusion, Hanoi Lung Hospital, Hanoi, Vietnam
| | - Pham Thu Anh
- Tuberculosis Network Management Office, Hanoi Lung Hospital, Hanoi, Vietnam
| | - Nguyen Thu Huyen
- NCGM-BMH Medical Collaboration Center, Hanoi, Vietnam
- Department of Health Policy and Economics, Hanoi University of Public Health, Hanoi, Vietnam
| | | | | | - Keiko Wakabayashi
- Department of Pathophysiology and Host Defense, The Research Institute of Tuberculosis, JATA, Tokyo, Japan
| | - Akiko Miyabayashi
- Department of Pathophysiology and Host Defense, The Research Institute of Tuberculosis, JATA, Tokyo, Japan
| | - Shintaro Seto
- Department of Pathophysiology and Host Defense, The Research Institute of Tuberculosis, JATA, Tokyo, Japan
| | - Naoto Keicho
- The Research Institute of Tuberculosis, JATA, Tokyo, Japan
- National Center for Global Health and Medicine, Tokyo, Japan
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Mahmoud M, Tan Y. New advances in the treatments of drug-resistant tuberculosis. Expert Rev Anti Infect Ther 2023; 21:863-870. [PMID: 37477234 DOI: 10.1080/14787210.2023.2240022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 07/19/2023] [Indexed: 07/22/2023]
Abstract
INTRODUCTION TB is associated with high mortality and morbidity among infected individuals and a high transmission rate from person to person. Despite the availability of vaccines and several anti-TB,TB infection continues to increase. Global resistance to TB remains the greatest challenge. There has not been extensive research into a new treatment and management strategy for TB resistance therapy. This review is based on a review of new advances and alternative drugs in the treatment of drug-resistant TB. AREAS COVERED New drug-resistant Mycobacterium tuberculosis therapy involves a combination of the latest TB drugs, new anti-TB drugs based on medicinal plant extracts for drug-resistant TB, mycobacteriophage therapy, the CRISPR/Cas9 system, and nanotechnology. EXPERT OPINION It is necessary to determine the function of individual gene alterations in drug-resistant TB. A combination of the most recent anti-TB drugs, such as bedaquiline and delamanid, is recommended. Longitudinal studies and animal model experiments with some medicinal plant extracts are required for better results. Nanotechnology has the potential to reduce drug side effects. Useful efficacy of phage therapy and CRISPR-cas9 technology as adjunct therapies for the management of drug-resistant TB.
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Affiliation(s)
- Mohanad Mahmoud
- Department of Medical Microbiology; China-Africa Research Center of Infectious Diseases, School of Basic Medical Sciences, Central South University, Changsha, Hunan, China
| | - Yurong Tan
- Department of Medical Microbiology; China-Africa Research Center of Infectious Diseases, School of Basic Medical Sciences, Central South University, Changsha, Hunan, China
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11
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Machine Learning Prediction of Mycobacterial Cell Wall Permeability of Drugs and Drug-like Compounds. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020633. [PMID: 36677691 PMCID: PMC9863426 DOI: 10.3390/molecules28020633] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 12/30/2022] [Accepted: 12/30/2022] [Indexed: 01/11/2023]
Abstract
The cell wall of Mycobacterium tuberculosis and related organisms has a very complex and unusual organization that makes it much less permeable to nutrients and antibiotics, leading to the low activity of many potential antimycobacterial drugs against whole-cell mycobacteria compared to their isolated molecular biotargets. The ability to predict and optimize the cell wall permeability could greatly enhance the development of novel antitubercular agents. Using an extensive structure-permeability dataset for organic compounds derived from published experimental big data (5371 compounds including 2671 penetrating and 2700 non-penetrating compounds), we have created a predictive classification model based on fragmental descriptors and an artificial neural network of a novel architecture that provides better accuracy (cross-validated balanced accuracy 0.768, sensitivity 0.768, specificity 0.769, area under ROC curve 0.911) and applicability domain compared with the previously published results.
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12
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Jasani M, Patel L. Design and synthesis of novel substituted pyrazole as small molecule inhibitor of Cytochrome P450 CYP121A1. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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13
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Sakallioglu IT, Maroli AS, Leite ADL, Marshall DD, Evans BW, Zinniel DK, Dussault PH, Barletta RG, Powers R. Multi-omics Investigation into the Mechanism of Action of an Anti-tubercular Fatty Acid Analogue. J Am Chem Soc 2022; 144:21157-21173. [PMID: 36367461 PMCID: PMC10948109 DOI: 10.1021/jacs.2c08238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The mechanism of action (MoA) of a clickable fatty acid analogue 8-(2-cyclobuten-1-yl)octanoic acid (DA-CB) has been investigated for the first time. Proteomics, metabolomics, and lipidomics were combined with a network analysis to investigate the MoA of DA-CB against Mycobacterium smegmatis (Msm). The metabolomics results showed that DA-CB has a general MoA related to that of ethionamide (ETH), a mycolic acid inhibitor that targets enoyl-ACP reductase (InhA), but DA-CB likely inhibits a step downstream from InhA. Our combined multi-omics approach showed that DA-CB appears to disrupt the pathway leading to the biosynthesis of mycolic acids, an essential mycobacterial fatty acid for both Msm and Mycobacterium tuberculosis (Mtb). DA-CB decreased keto-meromycolic acid biosynthesis. This intermediate is essential in the formation of mature mycolic acid, which is a key component of the mycobacterial cell wall in a process that is catalyzed by the essential polyketide synthase Pks13 and the associated ligase FadD32. The multi-omics analysis revealed further collateral alterations in bacterial metabolism, including the overproduction of shorter carbon chain hydroxy fatty acids and branched chain fatty acids, alterations in pyrimidine metabolism, and a predominate downregulation of proteins involved in fatty acid biosynthesis. Overall, the results with DA-CB suggest the exploration of this and related compounds as a new class of tuberculosis (TB) therapeutics. Furthermore, the clickable nature of DA-CB may be leveraged to trace the cellular fate of the modified fatty acid or any derived metabolite or biosynthetic intermediate.
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Affiliation(s)
- Isin T. Sakallioglu
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States
| | - Amith S. Maroli
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States
- Nebraska Center for Integrated Biomolecular Communication, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States
| | - Aline De Lima Leite
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States
- Nebraska Center for Integrated Biomolecular Communication, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States
| | - Darrell D. Marshall
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States
- Total Analysis LLC, Detroit, MI 48204-3268, United States
| | - Boone W. Evans
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States
| | - Denise K. Zinniel
- School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln, Lincoln, NE 68583-0905, United States
| | - Patrick H. Dussault
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States
| | - Raúl G. Barletta
- School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln, Lincoln, NE 68583-0905, United States
- Redox Biology Center, University of Nebraska-Lincoln, Lincoln, NE 68588-0664, United States
| | - Robert Powers
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States
- Nebraska Center for Integrated Biomolecular Communication, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States
- Redox Biology Center, University of Nebraska-Lincoln, Lincoln, NE 68588-0664, United States
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14
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Richter A, Seidel R, Goddard R, Eckhardt T, Lehmann C, Dörner J, Siersleben F, Sondermann T, Mann L, Patzer M, Jäger C, Reiling N, Imming P. BTZ-Derived Benzisothiazolinones with In Vitro Activity against Mycobacterium tuberculosis. ACS Med Chem Lett 2022; 13:1302-1310. [PMID: 35982823 PMCID: PMC9380706 DOI: 10.1021/acsmedchemlett.2c00215] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 07/15/2022] [Indexed: 11/29/2022] Open
Abstract
8-Nitro-1,3-benzothiazin-4-ones (BTZs) are known as potent antitubercular agents. BTZ043 as one of the most advanced compounds has reached clinical trials. The putative oxidation products of BTZ043, namely, the corresponding BTZ sulfoxide and sulfone, were reported in this journal (Tiwari et al. ACS Med. Chem Lett. 2015, 6, 128-133). The molecular structures were later revised to the constitutionally isomeric benzisothiazolone and its 1-oxide, respectively. Here, we report two BTZ043-derived benzisothiazolinones (BITs) with in vitro activity against mycobacteria. The constitutionally isomeric O-acyl benzisothiazol-3-ols, in contrast, show little or no antimycobacterial activity in vitro. The structures of the four compounds were investigated by X-ray crystallography and NMR spectroscopy. Molecular covalent docking of the new compounds to Mycobacerium tuberculosis decaprenylphosphoryl-β-d-ribose 2'-epimerase (DprE1) suggests that the active BITs exert antimycobacterial activity through inhibition of DprE1 like BTZs.
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Affiliation(s)
- Adrian Richter
- Martin-Luther-Universität
Halle-Wittenberg, Wolfgang-Langenbeck-Strasse 4, 06120 Halle (Saale), Germany
| | - Rüdiger
W. Seidel
- Martin-Luther-Universität
Halle-Wittenberg, Wolfgang-Langenbeck-Strasse 4, 06120 Halle (Saale), Germany
| | - Richard Goddard
- Max-Planck-Institut
für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Tamira Eckhardt
- Martin-Luther-Universität
Halle-Wittenberg, Wolfgang-Langenbeck-Strasse 4, 06120 Halle (Saale), Germany
| | - Christoph Lehmann
- Martin-Luther-Universität
Halle-Wittenberg, Wolfgang-Langenbeck-Strasse 4, 06120 Halle (Saale), Germany
| | - Julia Dörner
- Martin-Luther-Universität
Halle-Wittenberg, Wolfgang-Langenbeck-Strasse 4, 06120 Halle (Saale), Germany
| | - Fabienne Siersleben
- Martin-Luther-Universität
Halle-Wittenberg, Wolfgang-Langenbeck-Strasse 4, 06120 Halle (Saale), Germany
| | - Theresia Sondermann
- Martin-Luther-Universität
Halle-Wittenberg, Wolfgang-Langenbeck-Strasse 4, 06120 Halle (Saale), Germany
| | - Lea Mann
- Martin-Luther-Universität
Halle-Wittenberg, Wolfgang-Langenbeck-Strasse 4, 06120 Halle (Saale), Germany
| | - Michael Patzer
- Max-Planck-Institut
für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Christian Jäger
- Fraunhofer-Institut
für Zelltherapie und Immunologie, Außenstelle Molekulare Wirkstoffbiochemie und Therapieentwicklung, Weinbergweg 22, 06120 Halle (Saale), Germany
| | - Norbert Reiling
- Microbial
Interface Biology, Research Center Borstel,
Leibniz Lung Center, 23845 Borstel, Germany
- German
Center for Infection Research (DZIF), Site Hamburg-Lübeck-Borstel-Riems, 23845 Borstel, Germany
| | - Peter Imming
- Martin-Luther-Universität
Halle-Wittenberg, Wolfgang-Langenbeck-Strasse 4, 06120 Halle (Saale), Germany
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15
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Reddy DS, Sinha A, Kumar A, Saini VK. Drug re-engineering and repurposing: A significant and rapid approach to tuberculosis drug discovery. Arch Pharm (Weinheim) 2022; 355:e2200214. [PMID: 35841594 DOI: 10.1002/ardp.202200214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/14/2022] [Accepted: 06/17/2022] [Indexed: 01/11/2023]
Abstract
The prevalence of tuberculosis (TB) remains the leading cause of death from a single infectious agent, ranking it above all other contagious diseases. The problem to tackle this disease seems to become even worse due to the outbreak of SARS-CoV-2. Further, the complications related to drug-resistant TB, prolonged treatment regimens, and synergy between TB and HIV are significant drawbacks. There are several drugs to treat TB, but there is still no rapid and accurate treatment available. Intensive research is, therefore, necessary to discover newer molecular analogs that can probably eliminate this disease within a short span. An increase in efficacy can be achieved through re-engineering old TB-drug families and repurposing known drugs. These two approaches have led to the production of newer classes of compounds with novel mechanisms to treat multidrug-resistant strains. With respect to this context, we discuss structural aspects of developing new anti-TB drugs as well as examine advances in TB drug discovery. It was found that the fluoroquinolone, oxazolidinone, and nitroimidazole classes of compounds have greater potential to be further explored for TB drug development. Most of the TB drug candidates in the clinical phase are modified versions of these classes of compounds. Therefore, here we anticipate that modification or repurposing of these classes of compounds has a higher probability to reach the clinical phase of drug development. The information provided will pave the way for researchers to design and identify newer molecular analogs for TB drug development and also broaden the scope of exploring future-generation potent, yet safer anti-TB drugs.
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Affiliation(s)
- Dinesh S Reddy
- Centre for Nano and Material Sciences, Jain University, Bangalore, India
| | - Anamika Sinha
- Centre for Nano and Material Sciences, Jain University, Bangalore, India
| | - Amit Kumar
- Centre for Nano and Material Sciences, Jain University, Bangalore, India
| | - Vipin K Saini
- Materials and Environmental Chemistry Research Laboratory, School of Environment & Natural Resources, Doon University, Dehradun, India
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16
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Lagu SB, Yejella RP, Nissankararao S, Bhandare RR, Golla VS, Subrahmanya Lokesh BV, Rahman MM, Shaik AB. Antitubercular activity assessment of fluorinated chalcones, 2-aminopyridine-3-carbonitrile and 2-amino-4H-pyran-3-carbonitrile derivatives: In vitro, molecular docking and in-silico drug likeliness studies. PLoS One 2022; 17:e0265068. [PMID: 35709194 PMCID: PMC9202851 DOI: 10.1371/journal.pone.0265068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 02/22/2022] [Indexed: 11/19/2022] Open
Abstract
A series of newer previously synthesized fluorinated chalcones and their 2-amino-pyridine-3-carbonitrile and 2-amino-4H-pyran-3-carbonitrile derivatives were screened for their in vitro antitubercular activity and in silico methods. Compound 40 (MIC~ 8 μM) was the most potent among all 60 compounds, whose potency is comparable with broad spectrum antibiotics like ciprofloxacin and streptomycin and three times more potent than pyrazinamide. Additionally, compound 40 was also less selective and hence non-toxic towards the human live cell lines-LO2 in its MTT assay. Compounds 30, 27, 50, 41, 51, and 60 have exhibited streptomycin like activity (MIC~16–18 μM). Fluorinated chalcones, pyridine and pyran derivatives were found to occupy prime position in thymidylate kinase enzymatic pockets in molecular docking studies. The molecule 40 being most potent had shown a binding energy of -9.67 Kcal/mol, while docking against thymidylate kinase, which was compared with its in vitro MIC value (~8 μM). These findings suggest that 2-aminopyridine-3-carbonitrile and 2-amino-4H-pyran-3-carbonitrile derivatives are prospective lead molecules for the development of novel antitubercular drugs.
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Affiliation(s)
- Surendra Babu Lagu
- Pharmaceutical Chemistry Division, Adikavi Nannaya University College of Pharmaceutical Sciences, Adikavi Nannaya University, Tadepalligudem, Andhra Pradesh, India
- * E-mail: (ABS); (RRB); (SBL)
| | - Rajendra Prasad Yejella
- Department of Pharmaceutical Chemistry, University College of Pharmaceutical Sciences, Andhra University, Visakhapatnam, Andhra Pradesh, India
| | | | - Richie R. Bhandare
- Department of Pharmaceutical Sciences, College of Pharmacy & Health Sciences, Ajman University, Ajman, United Arab Emirates
- Center of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
- * E-mail: (ABS); (RRB); (SBL)
| | - Venu Sampath Golla
- Department of Pharmaceutical Chemistry, University College of Pharmaceutical Sciences, Andhra University, Visakhapatnam, Andhra Pradesh, India
| | | | - M. Mukhlesur Rahman
- Medicines Research Group, School of Health, Sports and Bioscience, University of East London, London, United Kingdom
| | - Afzal Basha Shaik
- Department of Pharmaceutical Chemistry, Vignan Pharmacy College, Jawaharlal Nehru Technological University, Vadlamudi, Andhra Pradesh, India
- * E-mail: (ABS); (RRB); (SBL)
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17
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Richter A, Seidel RW, Graf J, Goddard R, Lehmann C, Schlegel T, Khater N, Imming P. New Insight into Dearomatization and Decarbonylation of Antitubercular 4H-Benzo[e][1,3]thiazinones: Stable 5H- and 7H-Benzo[e][1,3]thiazines. ChemMedChem 2022; 17:e202200021. [PMID: 35170242 PMCID: PMC9306624 DOI: 10.1002/cmdc.202200021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Indexed: 11/20/2022]
Abstract
8‐Nitro‐4H‐benzo[e][1,3]thiazinones (BTZs) are potent in vitro antimycobacterial agents. New chemical transformations, viz. dearomatization and decarbonylation, of two BTZs and their influence on the compounds’ antimycobacterial properties are described. Reactions of 8‐nitro‐2‐(piperidin‐1‐yl)‐6‐(trifluoromethyl)‐4H‐benzo[e][1,3]thiazin‐4‐one and the clinical drug candidate BTZ043 with the Grignard reagent CH3MgBr afford the corresponding dearomatized stable 4,5‐dimethyl‐5H‐ and 4,7‐dimethyl‐7H‐benzo[e][1,3]thiazines. These methine compounds are structurally characterized by X‐ray crystallography for the first time. Reduction of the BTZ carbonyl group, leading to the corresponding markedly non‐planar 4H‐benzo[e][1,3]thiazine systems, is achieved using the reducing agent (CH3)2S ⋅ BH3. Double methylation with dearomatization and decarbonylation renders the two BTZs studied inactive against Mycobacterium tuberculosis and Mycobacterium smegmatis, as proven by in vitro growth inhibition assays.
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Affiliation(s)
- Adrian Richter
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle (Saale), Germany
| | - Rüdiger W Seidel
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle (Saale), Germany
| | - Jürgen Graf
- Incoatec GmbH, Max-Planck-Str. 2, 21502, Geesthacht, Germany
| | - Richard Goddard
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Christoph Lehmann
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle (Saale), Germany
| | - Tom Schlegel
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle (Saale), Germany
| | - Nour Khater
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle (Saale), Germany
| | - Peter Imming
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle (Saale), Germany
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18
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Zhang Y, Yu J, Zhang H, Li Y, Wang L. Nanofibrous dressing: Potential alternative for fighting against antibiotic‐resistance wound infections. J Appl Polym Sci 2022. [DOI: 10.1002/app.52178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yingjie Zhang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology Donghua University Shanghai China
| | - Juan Yu
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology Donghua University Shanghai China
| | - Huiru Zhang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology Donghua University Shanghai China
| | - Yan Li
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology Donghua University Shanghai China
| | - Lu Wang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology Donghua University Shanghai China
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19
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Esposito N, Konas DW, Goodey NM. Indole-3-Glycerol Phosphate Synthase From Mycobacterium tuberculosis: A Potential New Drug Target. Chembiochem 2022; 23:e202100314. [PMID: 34383995 PMCID: PMC9041893 DOI: 10.1002/cbic.202100314] [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: 06/26/2021] [Revised: 07/29/2021] [Indexed: 01/21/2023]
Abstract
Tuberculosis (TB), caused by the pathogen Mycobacterium tuberculosis, affects millions of people worldwide. Several TB drugs have lost efficacy due to emerging drug resistance and new anti-TB targets are needed. Recent research suggests that indole-3-glycerol phosphate synthase (IGPS) in M. tuberculosis (MtIGPS) could be such a target. IGPS is a (β/α)8 -barrel enzyme that catalyzes the conversion of 1-(o-carboxyphenylamino)-1-deoxyribulose 5'-phosphate (CdRP) into indole-glycerol-phosphate (IGP) in the bacterial tryptophan biosynthetic pathway. M. tuberculosis over expresses the tryptophan pathway genes during an immune response and inhibition of MtIGPS allows CD4 T-cells to more effectively fight against M. tuberculosis. Here we review the published data on MtIGPS expression, kinetics, mechanism, and inhibition. We also discuss MtIGPS crystal structures and compare them to other IGPS structures to reveal potential structure-function relationships of interest for the purposes of drug design and biocatalyst engineering.
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Affiliation(s)
| | | | - Nina M. Goodey
- Corresponding author: Nina M. Goodey: Phone: (973) 655 3410; , Twitter: @ninagoodey
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20
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Structural elucidation of the antitubercular benzothiazinone BTZ043: A combined X-ray, variable temperature NMR and DFT study. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131419] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Richter A, Narula G, Rudolph I, Seidel RW, Wagner C, Av-Gay Y, Imming P. Efficient Synthesis of Benzothiazinone Analogues with Activity against Intracellular Mycobacterium tuberculosis. ChemMedChem 2021; 17:e202100733. [PMID: 34939744 PMCID: PMC9303563 DOI: 10.1002/cmdc.202100733] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/08/2021] [Indexed: 11/09/2022]
Abstract
8‐Nitrobenzothiazinones (BTZs) are a promising class of antimycobacterial agents currently under investigation in clinical trials. Starting from thiourea derivatives, a new synthetic pathway to BTZs was established. It allows the formation of the thiazinone ring system in one synthetic step and is applicable for preparation of a wide variety of BTZ analogues. The synthetic procedure furthermore facilitates the replacement of the sulphur atom in the thiazinone ring system by oxygen or nitrogen to afford the analogous benzoxazinone and quinazolinone systems. 36 BTZ analogues were prepared and tested in luminescence‐based assays for in vitro activity against Mycobacterium tuberculosis (Mtb) using the microdilution broth method and a high‐throughput macrophage infection assay.
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Affiliation(s)
- Adrian Richter
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle, Germany.,Department of Medicine, Division of Infectious Diseases, University of British Columbia, 2503-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Gagandeep Narula
- Department of Medicine, Division of Infectious Diseases, University of British Columbia, 2503-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Ines Rudolph
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle, Germany
| | - Rüdiger W Seidel
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle, Germany
| | - Christoph Wagner
- Institut für Chemie, Martin-Luther-Universität Halle-Wittenberg, Kurt-Mothes-Str. 2, 06120, Halle, Germany
| | - Yossef Av-Gay
- Department of Medicine, Division of Infectious Diseases, University of British Columbia, 2503-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Peter Imming
- Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Wolfgang-Langenbeck-Str. 4, 06120, Halle, Germany
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22
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Yu D, Xu J, Li R, Zhao J, Li F, Zhai Y, Xue J, Song H, Yang F, Xu P, Song Y. Synergetic Effect of Rifampin Loaded Mussel‐Inspired Silver Nanoparticles for Enhanced Antibacterial Activity Against Multidrug‐Resistant Strain of
Mycobacterium Tuberculosis. ChemistrySelect 2021. [DOI: 10.1002/slct.202101973] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Dawei Yu
- Department of Clinical Laboratory The Fifth People's Hospital of Suzhou Infectious Disease Hospital Affiliated to Soochow University Suzhou 215000 China
| | - Junchi Xu
- Department of Clinical Laboratory The Fifth People's Hospital of Suzhou Infectious Disease Hospital Affiliated to Soochow University Suzhou 215000 China
| | - Ruonan Li
- Department of Clinical Laboratory The Fifth People's Hospital of Suzhou Infectious Disease Hospital Affiliated to Soochow University Suzhou 215000 China
- Department of Medicine Soochow University Suzhou 215000 China
| | - Jing Zhao
- Department of Clinical Laboratory The Fifth People's Hospital of Suzhou Infectious Disease Hospital Affiliated to Soochow University Suzhou 215000 China
| | - Fanghua Li
- Department of Clinical Laboratory The Fifth People's Hospital of Suzhou Infectious Disease Hospital Affiliated to Soochow University Suzhou 215000 China
| | - Yunxia Zhai
- Department of Clinical Laboratory The Fifth People's Hospital of Suzhou Infectious Disease Hospital Affiliated to Soochow University Suzhou 215000 China
| | - Jing Xue
- Department of Clinical Laboratory The Fifth People's Hospital of Suzhou Infectious Disease Hospital Affiliated to Soochow University Suzhou 215000 China
| | - Huafeng Song
- Department of Clinical Laboratory The Fifth People's Hospital of Suzhou Infectious Disease Hospital Affiliated to Soochow University Suzhou 215000 China
| | - Fu Yang
- School of Environmental and Chemical Engineering Jiangsu University of Science and Technology Zhenjiang 212003 China
| | - Ping Xu
- Department of Clinical Laboratory The Fifth People's Hospital of Suzhou Infectious Disease Hospital Affiliated to Soochow University Suzhou 215000 China
| | - Yiyan Song
- Department of Clinical Laboratory The Fifth People's Hospital of Suzhou Infectious Disease Hospital Affiliated to Soochow University Suzhou 215000 China
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Oxazolidinone Antibiotics: Chemical, Biological and Analytical Aspects. Molecules 2021; 26:molecules26144280. [PMID: 34299555 PMCID: PMC8305375 DOI: 10.3390/molecules26144280] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/07/2021] [Accepted: 07/12/2021] [Indexed: 11/17/2022] Open
Abstract
This review covers the main aspects concerning the chemistry, the biological activity and the analytical determination of oxazolidinones, the only new class of synthetic antibiotics advanced in clinical use over the past 50 years. They are characterized by a chemical structure including the oxazolidone ring with the S configuration of substituent at C5, the acylaminomethyl group linked to C5 and the N-aryl substituent. The synthesis of oxazolidinones has gained increasing interest due to their unique mechanism of action that assures high antibiotic efficiency and low susceptibility to resistance mechanisms. Here, the main features of oxazolidinone antibiotics licensed or under development, such as Linezolid, Sutezolid, Eperezolid, Radezolid, Contezolid, Posizolid, Tedizolid, Delpazolid and TBI-223, are discussed. As they are protein synthesis inhibitors active against a wide spectrum of multidrug-resistant Gram-positive bacteria, their biological activity is carefully analyzed, together with the drug delivery systems recently developed to overcome the poor oxazolidinone water solubility. Finally, the most employed analytical techniques for oxazolidinone determination in different matrices, such as biological fluids, tissues, drugs and natural waters, are reviewed. Most are based on HPLC (High Performance Liquid Chromatography) coupled with UV-Vis or mass spectrometer detectors, but, to a lesser extent are also based on spectrofluorimetry or voltammetry.
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Lee L, Samardzic K, Wallach M, Frumkin LR, Mochly-Rosen D. Immunoglobulin Y for Potential Diagnostic and Therapeutic Applications in Infectious Diseases. Front Immunol 2021; 12:696003. [PMID: 34177963 PMCID: PMC8220206 DOI: 10.3389/fimmu.2021.696003] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/26/2021] [Indexed: 01/14/2023] Open
Abstract
Antiviral, antibacterial, and antiparasitic drugs and vaccines are essential to maintaining the health of humans and animals. Yet, their production can be slow and expensive, and efficacy lost once pathogens mount resistance. Chicken immunoglobulin Y (IgY) is a highly conserved homolog of human immunoglobulin G (IgG) that has shown benefits and a favorable safety profile, primarily in animal models of human infectious diseases. IgY is fast-acting, easy to produce, and low cost. IgY antibodies can readily be generated in large quantities with minimal environmental harm or infrastructure investment by using egg-laying hens. We summarize a variety of IgY uses, focusing on their potential for the detection, prevention, and treatment of human and animal infections.
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Affiliation(s)
- Lucia Lee
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, United States
| | - Kate Samardzic
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, United States
| | - Michael Wallach
- School of Life Sciences, University of Technology, Sydney, NSW, Australia
| | | | - Daria Mochly-Rosen
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, United States
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