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Podlesainski D, Adeniyi ET, Gröner Y, Schulz F, Krisilia V, Rehberg N, Richter T, Sehr D, Xie H, Simons VE, Kiffe-Delf AL, Kaschani F, Ioerger TR, Kaiser M, Kalscheuer R. The anti-tubercular callyaerins target the Mycobacterium tuberculosis-specific non-essential membrane protein Rv2113. Cell Chem Biol 2024; 31:1755-1771.e73. [PMID: 38981479 DOI: 10.1016/j.chembiol.2024.06.002] [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: 09/01/2023] [Revised: 04/19/2024] [Accepted: 06/11/2024] [Indexed: 07/11/2024]
Abstract
Spread of antimicrobial resistances urges a need for new drugs against Mycobacterium tuberculosis (Mtb) with mechanisms differing from current antibiotics. Previously, callyaerins were identified as promising anti-tubercular agents, representing a class of hydrophobic cyclopeptides with an unusual (Z)-2,3-di-aminoacrylamide unit. Here, we investigated the molecular mechanisms underlying their antimycobacterial properties. Structure-activity relationship studies enabled the identification of structural determinants relevant for antibacterial activity. Callyaerins are bacteriostatics selectively active against Mtb, including extensively drug-resistant strains, with minimal cytotoxicity against human cells and promising intracellular activity. By combining mutant screens and various chemical proteomics approaches, we showed that callyaerins target the non-essential, Mtb-specific membrane protein Rv2113, triggering a complex dysregulation of the proteome, characterized by global downregulation of lipid biosynthesis, cell division, DNA repair, and replication. Our study thus identifies Rv2113 as a previously undescribed Mtb-specific drug target and demonstrates that also non-essential proteins may represent efficacious targets for antimycobacterial drugs.
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Affiliation(s)
- David Podlesainski
- Center of Medical Biotechnology (ZMB), Faculty of Biology, Chemical Biology, University of Duisburg-Essen, 45141 Essen, Germany
| | - Emmanuel T Adeniyi
- Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutical Biology and Biotechnology, 40225 Düsseldorf, Germany
| | - Yvonne Gröner
- Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutical Biology and Biotechnology, 40225 Düsseldorf, Germany
| | - Florian Schulz
- Center of Medical Biotechnology (ZMB), Faculty of Biology, Chemical Biology, University of Duisburg-Essen, 45141 Essen, Germany
| | - Violetta Krisilia
- Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutical Biology and Biotechnology, 40225 Düsseldorf, Germany
| | - Nidja Rehberg
- Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutical Biology and Biotechnology, 40225 Düsseldorf, Germany
| | - Tim Richter
- Center of Medical Biotechnology (ZMB), Faculty of Biology, Chemical Biology, University of Duisburg-Essen, 45141 Essen, Germany
| | - Daria Sehr
- Center of Medical Biotechnology (ZMB), Faculty of Biology, Chemical Biology, University of Duisburg-Essen, 45141 Essen, Germany
| | - Huzhuyue Xie
- Center of Medical Biotechnology (ZMB), Faculty of Biology, Chemical Biology, University of Duisburg-Essen, 45141 Essen, Germany
| | - Viktor E Simons
- Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutical Biology and Biotechnology, 40225 Düsseldorf, Germany
| | - Anna-Lene Kiffe-Delf
- Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutical Biology and Biotechnology, 40225 Düsseldorf, Germany
| | - Farnusch Kaschani
- Center of Medical Biotechnology (ZMB), Faculty of Biology, Chemical Biology, University of Duisburg-Essen, 45141 Essen, Germany
| | - Thomas R Ioerger
- Department of Computer Science, Texas A&M University, College Station, TX 77843, USA
| | - Markus Kaiser
- Center of Medical Biotechnology (ZMB), Faculty of Biology, Chemical Biology, University of Duisburg-Essen, 45141 Essen, Germany.
| | - Rainer Kalscheuer
- Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutical Biology and Biotechnology, 40225 Düsseldorf, Germany.
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2
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Yan S, Zhang G, Luo W, Xu M, Peng R, Du Z, Liu Y, Bai Z, Xiao X, Qin S. PROTAC technology: From drug development to probe technology for target deconvolution. Eur J Med Chem 2024; 276:116725. [PMID: 39083982 DOI: 10.1016/j.ejmech.2024.116725] [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: 06/13/2024] [Revised: 07/19/2024] [Accepted: 07/27/2024] [Indexed: 08/02/2024]
Abstract
Drug development remains a critical focus within the global pharmaceutical industry. To date, more than 80 % of disease targets are considered difficult to target. The emergence of PROTAC technology has, to some extent, alleviated this challenge. Since introduction, PROTAC technology has evolved through the peptide E3 ligase ligand phase and the small molecule E3 ligase ligand phase. Currently, multiple PROTAC molecules are in the clinical research phase, showing promising potential for addressing drug resistance, disease recurrence, and intractable targets. Target deconvolution is a crucial step in the drug discovery and development process. Due to the exceptional targeting ability and specificity of PROTAC, it is widely used and promoted as an innovative technology for discovering new drug targets, leading to significant breakthroughs. The use of PROTAC probe requires only a catalytic dose and weak interaction with the target protein to achieve target degradation. Thus, it offers substantial advantages over traditional probes, particularly in identifying new targets that are low-abundance or difficult to target. This review provides a comprehensive overview of the advancements made by PROTAC technology in drug development and drug target discovery, while also systematically reviewing the workflow of PROTAC probe. With the ongoing development of PROTAC technology, PROTAC probe is poised to become a key research area in future drug target deconvolution.
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Affiliation(s)
- Si Yan
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Research Center for Precision Medication of Chinese Medicine, FuRong Laboratory, Hunan University of Chinese Medicine, Changsha, PR China; Hubei Engineering Research Center of Traditional Chinese Medicine of South Hubei Province, School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, PR China; Department of Hepatology, China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing, PR China
| | - Guangshuai Zhang
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Research Center for Precision Medication of Chinese Medicine, FuRong Laboratory, Hunan University of Chinese Medicine, Changsha, PR China; Hubei Engineering Research Center of Traditional Chinese Medicine of South Hubei Province, School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, PR China; Department of Hepatology, China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing, PR China
| | - Wei Luo
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Research Center for Precision Medication of Chinese Medicine, FuRong Laboratory, Hunan University of Chinese Medicine, Changsha, PR China; Hubei Engineering Research Center of Traditional Chinese Medicine of South Hubei Province, School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, PR China
| | - Mengwei Xu
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Research Center for Precision Medication of Chinese Medicine, FuRong Laboratory, Hunan University of Chinese Medicine, Changsha, PR China; Hubei Engineering Research Center of Traditional Chinese Medicine of South Hubei Province, School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, PR China
| | - Rui Peng
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Research Center for Precision Medication of Chinese Medicine, FuRong Laboratory, Hunan University of Chinese Medicine, Changsha, PR China; Hubei Engineering Research Center of Traditional Chinese Medicine of South Hubei Province, School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, PR China
| | - Ziwei Du
- Hubei Engineering Research Center of Traditional Chinese Medicine of South Hubei Province, School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, PR China
| | - Yan Liu
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Research Center for Precision Medication of Chinese Medicine, FuRong Laboratory, Hunan University of Chinese Medicine, Changsha, PR China; Hubei Engineering Research Center of Traditional Chinese Medicine of South Hubei Province, School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, PR China
| | - Zhaofang Bai
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Research Center for Precision Medication of Chinese Medicine, FuRong Laboratory, Hunan University of Chinese Medicine, Changsha, PR China; Department of Hepatology, China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing, PR China.
| | - Xiaohe Xiao
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Research Center for Precision Medication of Chinese Medicine, FuRong Laboratory, Hunan University of Chinese Medicine, Changsha, PR China; Department of Hepatology, China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing, PR China.
| | - Shuanglin Qin
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Research Center for Precision Medication of Chinese Medicine, FuRong Laboratory, Hunan University of Chinese Medicine, Changsha, PR China; Hubei Engineering Research Center of Traditional Chinese Medicine of South Hubei Province, School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, PR China; Department of Hepatology, China Military Institute of Chinese Materia, The Fifth Medical Center of PLA General Hospital, Beijing, PR China.
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3
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Zhao P, Hou P, Zhang Z, Li X, Quan C, Xue Y, Lei K, Li J, Gao W, Fu F. Microbial-derived peptides with anti-mycobacterial potential. Eur J Med Chem 2024; 276:116687. [PMID: 39047606 DOI: 10.1016/j.ejmech.2024.116687] [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: 05/29/2024] [Revised: 07/08/2024] [Accepted: 07/15/2024] [Indexed: 07/27/2024]
Abstract
Tuberculosis (TB), an airborne infectious disease caused by Mycobacterium tuberculosis, has become the leading cause of death. The subsequent emergence of multidrug-resistant, extensively drug-resistant and totally drug-resistant strains, brings an urgent need to discover novel anti-TB drugs. Among them, microbial-derived anti-mycobacterial peptides, including ribosomally synthesized and post-translationally modified peptides (RiPPs) and multimodular nonribosomal peptides (NRPs), now arise as promising candidates for TB treatment. This review presents 96 natural RiPP and NRP families from bacteria and fungi that have broad spectrum in vitro activities against non-resistant and drug-resistant mycobacteria. In addition, intracellular targets of 22 molecules are the subject of much attention. Meanwhile, chemical features of 38 families could be modified in order to improve properties. In final, structure-activity relationships suggest that the modifications of various groups, especially the peptide side chains, the amino acid moieties, the cyclic peptide skeletons, various special groups, stereochemistry and entire peptide chain length are important for increasing the potency.
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Affiliation(s)
- Pengchao Zhao
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Pu Hou
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Zhishen Zhang
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Xin Li
- Shanxi Key Laboratory of Yuncheng Salt Lake Ecological Protection and Resource Utilization, Yuncheng University, 044000, China.
| | - Chunshan Quan
- Department of Life Science, Dalian Nationalities University, Dalian, 116600, China.
| | - Yun Xue
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China.
| | - Kun Lei
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Jinghua Li
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Weina Gao
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Fangfang Fu
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
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4
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Tsai JM, Nowak RP, Ebert BL, Fischer ES. Targeted protein degradation: from mechanisms to clinic. Nat Rev Mol Cell Biol 2024; 25:740-757. [PMID: 38684868 DOI: 10.1038/s41580-024-00729-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/21/2024] [Indexed: 05/02/2024]
Abstract
Targeted protein degradation refers to the use of small molecules to induce the selective degradation of proteins. In its most common form, this degradation is achieved through ligand-mediated neo-interactions between ubiquitin E3 ligases - the principal waste disposal machines of a cell - and the protein targets of interest, resulting in ubiquitylation and subsequent proteasomal degradation. Notable advances have been made in biological and mechanistic understanding of serendipitously discovered degraders. This improved understanding and novel chemistry has not only provided clinical proof of concept for targeted protein degradation but has also led to rapid growth of the field, with dozens of investigational drugs in active clinical trials. Two distinct classes of protein degradation therapeutics are being widely explored: bifunctional PROTACs and molecular glue degraders, both of which have their unique advantages and challenges. Here, we review the current landscape of targeted protein degradation approaches and how they have parallels in biological processes. We also outline the ongoing clinical exploration of novel degraders and provide some perspectives on the directions the field might take.
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Affiliation(s)
- Jonathan M Tsai
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, MA, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Radosław P Nowak
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
- Institute of Structural Biology, Medical Faculty, University of Bonn, Bonn, Germany
| | - Benjamin L Ebert
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, MA, USA.
- Broad Institute of Harvard and MIT, Cambridge, MA, USA.
- Howard Hughes Medical Institute, Boston, MA, USA.
| | - Eric S Fischer
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA.
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5
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Wang X, Ding L, Zhao Y, Gao X. 6-Plex Tandem Phosphorus Tags (TPT) for Accurate Quantitative Proteomics. Anal Chem 2024; 96:11644-11650. [PMID: 38991974 DOI: 10.1021/acs.analchem.4c01865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
Isobaric chemical labeling is a widely used strategy for high-throughput quantitative proteomics based on mass spectrometry. However, commercially available reagents have high costs in applications as well as the sensitivity limitations for detection of the trace protein samples. Previously, we developed a 2-plex isobaric labeling strategy based on phosphorus chemistry for ultrasensitive proteome quantification with high accuracy. In this work, 6-plex tandem phosphorus tags (TPT) were developed with 3-fold increase in the multiplexing quantitative capacity compared to the 2-plex isobaric phosphorus reagents introduced previously. High isotope enrichment of 18O labeling was incorporated into the phosphoryl group with three exchangeable oxygen atoms by using commercially available H218O. The combinational incorporations of 18O atom in reporter ions and balance group set up the low-cost foundation for development of multiplex TPT reagents. The novel 6-plex TPT reagents could produce phosphoramidate as unique reporter ions with approximately 1 Da mass difference and thus enable 6-plex quantitative analysis in high-resolution ESI-MS/MS analysis. Using HeLa cell tryptic peptides, we concluded that 6-plex TPT reagents could facilitate large-scale accurate quantitative proteomics with very high labeling efficiency.
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Affiliation(s)
- Xiaoyu Wang
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China
- State Key Laboratory of Cellular Stress Biology and Fujian Provincial Key Laboratory of Innovative Drug Target Research, School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Lianshuai Ding
- State Key Laboratory of Cellular Stress Biology and Fujian Provincial Key Laboratory of Innovative Drug Target Research, School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China
- School of life Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Yufen Zhao
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China
| | - Xiang Gao
- State Key Laboratory of Cellular Stress Biology and Fujian Provincial Key Laboratory of Innovative Drug Target Research, School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, Xiamen, Fujian 361102, China
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6
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Luo G, Ming T, Yang L, He L, Tao T, Wang Y. Modulators targeting protein-protein interactions in Mycobacterium tuberculosis. Microbiol Res 2024; 284:127675. [PMID: 38636239 DOI: 10.1016/j.micres.2024.127675] [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: 09/27/2023] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 04/20/2024]
Abstract
Tuberculosis (TB) is a chronic infectious disease caused by Mycobacterium tuberculosis (M. tuberculosis), mainly transmitted through droplets to infect the lungs, and seriously affecting patients' health and quality of life. Clinically, anti-TB drugs often entail side effects and lack efficacy against resistant strains. Thus, the exploration and development of novel targeted anti-TB medications are imperative. Currently, protein-protein interactions (PPIs) offer novel avenues for anti-TB drug development, and the study of targeted modulators of PPIs in M. tuberculosis has become a prominent research focus. Furthermore, a comprehensive PPI network has been constructed using computational methods and bioinformatics tools. This network allows for a more in-depth analysis of the structural biology of PPIs and furnishes essential insights for the development of targeted small-molecule modulators. Furthermore, this article provides a detailed overview of the research progress and regulatory mechanisms of PPI modulators in M. tuberculosis, the causative agent of TB. Additionally, it summarizes potential targets for anti-TB drugs and discusses the prospects of existing PPI modulators.
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Affiliation(s)
- Guofeng Luo
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Tianqi Ming
- State Key Laboratory of Southwestern Chinese Medicine Resources, Department of Pharmacology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Luchuan Yang
- Institute of traditional Chinese medicine, Sichuan College of traditional Chinese Medicine (Sichuan Second Hospital of TCM), Chengdu 610031, China
| | - Lei He
- Institute of traditional Chinese medicine, Sichuan College of traditional Chinese Medicine (Sichuan Second Hospital of TCM), Chengdu 610031, China
| | - Tao Tao
- Institute of traditional Chinese medicine, Sichuan College of traditional Chinese Medicine (Sichuan Second Hospital of TCM), Chengdu 610031, China
| | - Yanmei Wang
- Institute of traditional Chinese medicine, Sichuan College of traditional Chinese Medicine (Sichuan Second Hospital of TCM), Chengdu 610031, China.
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7
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Preti D, Albanese V, Marconi PCR. PROTAC-ing tuberculosis. Nat Chem Biol 2024; 20:668-670. [PMID: 38783135 DOI: 10.1038/s41589-024-01624-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Affiliation(s)
- Delia Preti
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Ferrara, Italy.
| | - Valentina Albanese
- Department of Environmental and Prevention Sciences, University of Ferrara, Ferrara, Italy
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8
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Won HI, Zinga S, Kandror O, Akopian T, Wolf ID, Schweber JTP, Schmid EW, Chao MC, Waldor M, Rubin EJ, Zhu J. Targeted protein degradation in mycobacteria uncovers antibacterial effects and potentiates antibiotic efficacy. Nat Commun 2024; 15:4065. [PMID: 38744895 PMCID: PMC11094019 DOI: 10.1038/s41467-024-48506-8] [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: 02/14/2023] [Accepted: 05/03/2024] [Indexed: 05/16/2024] Open
Abstract
Proteolysis-targeting chimeras (PROTACs) represent a new therapeutic modality involving selectively directing disease-causing proteins for degradation through proteolytic systems. Our ability to exploit targeted protein degradation (TPD) for antibiotic development remains nascent due to our limited understanding of which bacterial proteins are amenable to a TPD strategy. Here, we use a genetic system to model chemically-induced proximity and degradation to screen essential proteins in Mycobacterium smegmatis (Msm), a model for the human pathogen M. tuberculosis (Mtb). By integrating experimental screening of 72 protein candidates and machine learning, we find that drug-induced proximity to the bacterial ClpC1P1P2 proteolytic complex leads to the degradation of many endogenous proteins, especially those with disordered termini. Additionally, TPD of essential Msm proteins inhibits bacterial growth and potentiates the effects of existing antimicrobial compounds. Together, our results provide biological principles to select and evaluate attractive targets for future Mtb PROTAC development, as both standalone antibiotics and potentiators of existing antibiotic efficacy.
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Affiliation(s)
- Harim I Won
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Samuel Zinga
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Olga Kandror
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Tatos Akopian
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Ian D Wolf
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Jessica T P Schweber
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Ernst W Schmid
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Blavatnik Institute, Boston, MA, 02115, USA
| | - Michael C Chao
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Maya Waldor
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Eric J Rubin
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA.
| | - Junhao Zhu
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA.
- CAS Key Laboratory of Pathogen Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
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9
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Dartois V, Dick T. Therapeutic developments for tuberculosis and nontuberculous mycobacterial lung disease. Nat Rev Drug Discov 2024; 23:381-403. [PMID: 38418662 PMCID: PMC11078618 DOI: 10.1038/s41573-024-00897-5] [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] [Accepted: 01/24/2024] [Indexed: 03/02/2024]
Abstract
Tuberculosis (TB) drug discovery and development has undergone nothing short of a revolution over the past 20 years. Successful public-private partnerships and sustained funding have delivered a much-improved understanding of mycobacterial disease biology and pharmacology and a healthy pipeline that can tolerate inevitable attrition. Preclinical and clinical development has evolved from decade-old concepts to adaptive designs that permit rapid evaluation of regimens that might greatly shorten treatment duration over the next decade. But the past 20 years also saw the rise of a fatal and difficult-to-cure lung disease caused by nontuberculous mycobacteria (NTM), for which the drug development pipeline is nearly empty. Here, we discuss the similarities and differences between TB and NTM lung diseases, compare the preclinical and clinical advances, and identify major knowledge gaps and areas of cross-fertilization. We argue that applying paradigms and networks that have proved successful for TB, from basic research to clinical trials, will help to populate the pipeline and accelerate curative regimen development for NTM disease.
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Affiliation(s)
- Véronique Dartois
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ, USA.
- Department of Medical Sciences, Hackensack Meridian School of Medicine, Nutley, NJ, USA.
| | - Thomas Dick
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ, USA
- Department of Medical Sciences, Hackensack Meridian School of Medicine, Nutley, NJ, USA
- Department of Microbiology and Immunology, Georgetown University, Washington, DC, USA
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10
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Xu X, Wang Y, Huang W, Li D, Deng Z, Long F. Structural insights into the Clp protein degradation machinery. mBio 2024; 15:e0003124. [PMID: 38501868 PMCID: PMC11005422 DOI: 10.1128/mbio.00031-24] [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: 01/10/2024] [Accepted: 02/27/2024] [Indexed: 03/20/2024] Open
Abstract
The Clp protease system is important for maintaining proteostasis in bacteria. It consists of ClpP serine proteases and an AAA+ Clp-ATPase such as ClpC1. The hexameric ATPase ClpC1 utilizes the energy of ATP binding and hydrolysis to engage, unfold, and translocate substrates into the proteolytic chamber of homo- or hetero-tetradecameric ClpP for degradation. The assembly between the hetero-tetradecameric ClpP1P2 chamber and the Clp-ATPases containing tandem ATPase domains from the same species has not been studied in depth. Here, we present cryo-EM structures of the substrate-bound ClpC1:shClpP1P2 from Streptomyces hawaiiensis, and shClpP1P2 in complex with ADEP1, a natural compound produced by S. hawaiiensis and known to cause over-activation and dysregulation of the ClpP proteolytic core chamber. Our structures provide detailed information on the shClpP1-shClpP2, shClpP2-ClpC1, and ADEP1-shClpP1/P2 interactions, reveal conformational transition of ClpC1 during the substrate translocation, and capture a rotational ATP hydrolysis mechanism likely dominated by the D1 ATPase activity of chaperones.IMPORTANCEThe Clp-dependent proteolysis plays an important role in bacterial homeostasis and pathogenesis. The ClpP protease system is an effective drug target for antibacterial therapy. Streptomyces hawaiiensis can produce a class of potent acyldepsipeptide antibiotics such as ADEP1, which could affect the ClpP protease activity. Although S. hawaiiensis hosts one of the most intricate ClpP systems in nature, very little was known about its Clp protease mechanism and the impact of ADEP molecules on ClpP. The significance of our research is in dissecting the functional mechanism of the assembled Clp degradation machinery, as well as the interaction between ADEP1 and the ClpP proteolytic chamber, by solving high-resolution structures of the substrate-bound Clp system in S. hawaiiensis. The findings shed light on our understanding of the Clp-dependent proteolysis in bacteria, which will enhance the development of antimicrobial drugs targeting the Clp protease system, and help fighting against bacterial multidrug resistance.
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Affiliation(s)
- Xiaolong Xu
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China
- Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China
| | - Yanhui Wang
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China
- Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China
| | - Wei Huang
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China
- Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China
| | - Danyang Li
- Cryo-EM Center and the Core Facility of Wuhan University, Wuhan, China
| | - Zixin Deng
- Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China
| | - Feng Long
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China
- Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China
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11
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Liu X, Cai F, Zhang Y, Luo X, Yuan L, Ma H, Yang M, Ge F. Interactome Analysis of ClpX Reveals Its Regulatory Role in Metabolism and Photosynthesis in Cyanobacteria. J Proteome Res 2024; 23:1174-1187. [PMID: 38427982 DOI: 10.1021/acs.jproteome.3c00610] [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] [Indexed: 03/03/2024]
Abstract
Protein homeostasis is essential for cyanobacteria to maintain proper cellular function under adverse and fluctuating conditions. The AAA+ superfamily of proteolytic complexes in cyanobacteria plays a critical role in this process, including ClpXP, which comprises a hexameric ATPase ClpX and a tetradecameric peptidase ClpP. Despite the physiological effects of ClpX on growth and photosynthesis, its potential substrates and underlying mechanisms in cyanobacteria remain unknown. In this study, we employed a streptavidin-biotin affinity pull-down assay coupled with label-free proteome quantitation to analyze the interactome of ClpX in the model cyanobacterium Synechocystis sp. PCC 6803 (hereafter Synechocystis). We identified 503 proteins as potential ClpX-binding targets, many of which had novel interactions. These ClpX-binding targets were found to be involved in various biological processes, with particular enrichment in metabolic processes and photosynthesis. Using protein-protein docking, GST pull-down, and biolayer interferometry assays, we confirmed the direct association of ClpX with the photosynthetic proteins, ferredoxin-NADP+ oxidoreductase (FNR) and phycocyanin subunit (CpcA). Subsequent functional investigations revealed that ClpX participates in the maintenance of FNR homeostasis and functionality in Synechocystis grown under different light conditions. Overall, our study provides a comprehensive understanding of the extensive functions regulated by ClpX in cyanobacteria to maintain protein homeostasis and adapt to environmental challenges.
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Affiliation(s)
- Xin Liu
- School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan 430023, China
| | - Fangfang Cai
- School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan 430023, China
| | - Yumeng Zhang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- Department of Basic Research, Research-And-Development Center, Sinopharm Animal Health Corporation Ltd., Wuhan 430074, China
| | - Xuan Luo
- School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan 430023, China
| | - Li Yuan
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Haiyan Ma
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Mingkun Yang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Feng Ge
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
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12
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Bouvier C, Lawrence R, Cavallo F, Xolalpa W, Jordan A, Hjerpe R, Rodriguez MS. Breaking Bad Proteins-Discovery Approaches and the Road to Clinic for Degraders. Cells 2024; 13:578. [PMID: 38607017 PMCID: PMC11011670 DOI: 10.3390/cells13070578] [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: 02/08/2024] [Revised: 03/12/2024] [Accepted: 03/18/2024] [Indexed: 04/13/2024] Open
Abstract
Proteolysis-targeting chimeras (PROTACs) describe compounds that bind to and induce degradation of a target by simultaneously binding to a ubiquitin ligase. More generally referred to as bifunctional degraders, PROTACs have led the way in the field of targeted protein degradation (TPD), with several compounds currently undergoing clinical testing. Alongside bifunctional degraders, single-moiety compounds, or molecular glue degraders (MGDs), are increasingly being considered as a viable approach for development of therapeutics, driven by advances in rational discovery approaches. This review focuses on drug discovery with respect to bifunctional and molecular glue degraders within the ubiquitin proteasome system, including analysis of mechanistic concepts and discovery approaches, with an overview of current clinical and pre-clinical degrader status in oncology, neurodegenerative and inflammatory disease.
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Affiliation(s)
- Corentin Bouvier
- Laboratoire de Chimie de Coordination LCC-UPR 8241-CNRS, 31077 Toulouse, France; (C.B.); (M.S.R.)
| | - Rachel Lawrence
- Sygnature Discovery, Bio City, Pennyfoot St., Nottingham NG1 1GR, UK (F.C.); (A.J.)
| | - Francesca Cavallo
- Sygnature Discovery, Bio City, Pennyfoot St., Nottingham NG1 1GR, UK (F.C.); (A.J.)
| | - Wendy Xolalpa
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca 62209, Morelos, Mexico;
| | - Allan Jordan
- Sygnature Discovery, Bio City, Pennyfoot St., Nottingham NG1 1GR, UK (F.C.); (A.J.)
| | - Roland Hjerpe
- Sygnature Discovery, Bio City, Pennyfoot St., Nottingham NG1 1GR, UK (F.C.); (A.J.)
| | - Manuel S. Rodriguez
- Laboratoire de Chimie de Coordination LCC-UPR 8241-CNRS, 31077 Toulouse, France; (C.B.); (M.S.R.)
- Pharmadev, UMR 152, Université de Toulouse, IRD, UT3, 31400 Toulouse, France
- B Molecular, Centre Pierre Potier, Canceropôle, 31106 Toulouse, France
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13
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Kodadek T. Catalytic Protein Inhibitors. Angew Chem Int Ed Engl 2024; 63:e202316726. [PMID: 38064411 DOI: 10.1002/anie.202316726] [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: 11/03/2023] [Indexed: 01/13/2024]
Abstract
Many of the highest priority targets in a wide range of disease states are difficult-to-drug proteins. The development of reversible small molecule inhibitors for the active sites of these proteins with sufficient affinity and residence time on-target is an enormous challenge. This has engendered interest in strategies to increase the potency of a given protein inhibitor by routes other than further improvement in gross affinity. Amongst these, the development of catalytic protein inhibitors has garnered the most attention and investment, particularly with respect to protein degraders, which catalyze the destruction of the target protein. This article discusses the genesis of the burgeoning field of catalytic inhibitors, the current state of the art, and exciting future directions.
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Affiliation(s)
- Thomas Kodadek
- Department of Chemistry, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation & Technology, 120 Scripps Way, Jupiter, FL 33458, USA
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14
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Junk L, Schmiedel VM, Guha S, Fischel K, Greb P, Vill K, Krisilia V, van Geelen L, Rumpel K, Kaur P, Krishnamurthy RV, Narayanan S, Shandil RK, Singh M, Kofink C, Mantoulidis A, Biber P, Gmaschitz G, Kazmaier U, Meinhart A, Leodolter J, Hoi D, Junker S, Morreale FE, Clausen T, Kalscheuer R, Weinstabl H, Boehmelt G. Homo-BacPROTAC-induced degradation of ClpC1 as a strategy against drug-resistant mycobacteria. Nat Commun 2024; 15:2005. [PMID: 38443338 PMCID: PMC10914731 DOI: 10.1038/s41467-024-46218-7] [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: 10/28/2022] [Accepted: 02/12/2024] [Indexed: 03/07/2024] Open
Abstract
Antimicrobial resistance is a global health threat that requires the development of new treatment concepts. These should not only overcome existing resistance but be designed to slow down the emergence of new resistance mechanisms. Targeted protein degradation, whereby a drug redirects cellular proteolytic machinery towards degrading a specific target, is an emerging concept in drug discovery. We are extending this concept by developing proteolysis targeting chimeras active in bacteria (BacPROTACs) that bind to ClpC1, a component of the mycobacterial protein degradation machinery. The anti-Mycobacterium tuberculosis (Mtb) BacPROTACs are derived from cyclomarins which, when dimerized, generate compounds that recruit and degrade ClpC1. The resulting Homo-BacPROTACs reduce levels of endogenous ClpC1 in Mycobacterium smegmatis and display minimum inhibitory concentrations in the low micro- to nanomolar range in mycobacterial strains, including multiple drug-resistant Mtb isolates. The compounds also kill Mtb residing in macrophages. Thus, Homo-BacPROTACs that degrade ClpC1 represent a different strategy for targeting Mtb and overcoming drug resistance.
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Affiliation(s)
- Lukas Junk
- Organic Chemistry I, Saarland University, Campus Building C4.2, 66123, Saarbrücken, Germany.
| | - Volker M Schmiedel
- Boehringer Ingelheim RCV GmbH & Co. KG, Dr. Boehringer-Gasse 5-11, 1121, Vienna, Austria
| | - Somraj Guha
- Organic Chemistry I, Saarland University, Campus Building C4.2, 66123, Saarbrücken, Germany
| | - Katharina Fischel
- Boehringer Ingelheim RCV GmbH & Co. KG, Dr. Boehringer-Gasse 5-11, 1121, Vienna, Austria
| | - Peter Greb
- Boehringer Ingelheim RCV GmbH & Co. KG, Dr. Boehringer-Gasse 5-11, 1121, Vienna, Austria
| | - Kristin Vill
- Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutical Biology and Biotechnology, 40225, Düsseldorf, Germany
| | - Violetta Krisilia
- Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutical Biology and Biotechnology, 40225, Düsseldorf, Germany
| | - Lasse van Geelen
- Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutical Biology and Biotechnology, 40225, Düsseldorf, Germany
| | - Klaus Rumpel
- Boehringer Ingelheim RCV GmbH & Co. KG, Dr. Boehringer-Gasse 5-11, 1121, Vienna, Austria
| | - Parvinder Kaur
- Foundation for Neglected Disease Research, Plot No. 20A, KIADB Industrial Area, Veerapura Village, Doddaballapur, Bengaluru, 561203, Karnataka, India
| | - Ramya V Krishnamurthy
- Foundation for Neglected Disease Research, Plot No. 20A, KIADB Industrial Area, Veerapura Village, Doddaballapur, Bengaluru, 561203, Karnataka, India
| | - Shridhar Narayanan
- Foundation for Neglected Disease Research, Plot No. 20A, KIADB Industrial Area, Veerapura Village, Doddaballapur, Bengaluru, 561203, Karnataka, India
| | - Radha Krishan Shandil
- Foundation for Neglected Disease Research, Plot No. 20A, KIADB Industrial Area, Veerapura Village, Doddaballapur, Bengaluru, 561203, Karnataka, India
| | - Mayas Singh
- Foundation for Neglected Disease Research, Plot No. 20A, KIADB Industrial Area, Veerapura Village, Doddaballapur, Bengaluru, 561203, Karnataka, India
| | - Christiane Kofink
- Boehringer Ingelheim RCV GmbH & Co. KG, Dr. Boehringer-Gasse 5-11, 1121, Vienna, Austria
| | - Andreas Mantoulidis
- Boehringer Ingelheim RCV GmbH & Co. KG, Dr. Boehringer-Gasse 5-11, 1121, Vienna, Austria
| | - Philipp Biber
- Boehringer Ingelheim RCV GmbH & Co. KG, Dr. Boehringer-Gasse 5-11, 1121, Vienna, Austria
| | - Gerhard Gmaschitz
- Boehringer Ingelheim RCV GmbH & Co. KG, Dr. Boehringer-Gasse 5-11, 1121, Vienna, Austria
| | - Uli Kazmaier
- Organic Chemistry I, Saarland University, Campus Building C4.2, 66123, Saarbrücken, Germany
| | - Anton Meinhart
- Research Institute of Molecular Pathology, Vienna BioCenter, Vienna, Austria
| | - Julia Leodolter
- Research Institute of Molecular Pathology, Vienna BioCenter, Vienna, Austria
| | - David Hoi
- Research Institute of Molecular Pathology, Vienna BioCenter, Vienna, Austria
| | - Sabryna Junker
- Research Institute of Molecular Pathology, Vienna BioCenter, Vienna, Austria
| | | | - Tim Clausen
- Research Institute of Molecular Pathology, Vienna BioCenter, Vienna, Austria
| | - Rainer Kalscheuer
- Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutical Biology and Biotechnology, 40225, Düsseldorf, Germany
| | - Harald Weinstabl
- Boehringer Ingelheim RCV GmbH & Co. KG, Dr. Boehringer-Gasse 5-11, 1121, Vienna, Austria.
| | - Guido Boehmelt
- Boehringer Ingelheim RCV GmbH & Co. KG, Dr. Boehringer-Gasse 5-11, 1121, Vienna, Austria.
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15
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Boshoff HI, Malhotra N, Barry CE, Oh S. The Antitubercular Activities of Natural Products with Fused-Nitrogen-Containing Heterocycles. Pharmaceuticals (Basel) 2024; 17:211. [PMID: 38399426 PMCID: PMC10892018 DOI: 10.3390/ph17020211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/02/2024] [Accepted: 02/04/2024] [Indexed: 02/25/2024] Open
Abstract
Tuberculosis (TB) is notorious as the leading cause of death worldwide due to a single infectious entity and its causative agent, Mycobacterium tuberculosis (Mtb), has been able to evolve resistance to all existing drugs in the treatment arsenal complicating disease management programs. In drug discovery efforts, natural products are important starting points in generating novel scaffolds that have evolved to specifically bind to vulnerable targets not only in pathogens such as Mtb, but also in mammalian targets associated with human diseases. Structural diversity is one of the most attractive features of natural products. This review provides a summary of fused-nitrogen-containing heterocycles found in the natural products reported in the literature that are known to have antitubercular activities. The structurally targeted natural products discussed in this review could provide a revealing insight into novel chemical aspects with novel biological functions for TB drug discovery efforts.
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Affiliation(s)
| | | | | | - Sangmi Oh
- Tuberculosis Research Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD 20892, USA; (H.I.B.); (N.M.); (C.E.B.III)
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16
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Bonjorno AF, Pavan AR, Fernandes GFS, Scarim CB, Castagnolo D, Dos Santos JL. BacPROTACs targeting Clp protease: a promising strategy for anti-mycobacterial drug discovery. Front Chem 2024; 12:1358539. [PMID: 38357296 PMCID: PMC10864484 DOI: 10.3389/fchem.2024.1358539] [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: 12/19/2023] [Accepted: 01/22/2024] [Indexed: 02/16/2024] Open
Abstract
Tuberculosis (TB) has claimed more lives over the course of two millennia than any other infectious disease worldwide. In 2021, the World Health Organization (WHO) estimated that 10.6 million people were diagnosed with TB, resulting in the deaths of 1.4 million HIV-negative individuals. The emergence of multidrug-resistant TB (MDR-TB), defined as resistance to at least rifampicin (RIF) and isoniazid (INH), and extensively drug-resistant TB (XDR-TB), poses the primary challenge to overcome in the coming years. We have recently conducted an extensive analysis of investments and research endeavours in the field, with the overarching objective of achieving the established milestone of TB eradication by the year 2030. Over the past several years, there has been notable progress in advancing a multitude of promising compounds, each possessing distinct mechanisms of action, into clinical phases of development. However, it is worth noting that strains of mycobacteria resistant to current antitubercular drugs have already emerged for some of these compounds The exploration of the innovative Proteolytic Target Chimeras (PROTACs) protein degradation approach has emerged as a viable avenue for the discovery of novel antimicrobials. While the ubiquitin system is exclusive to eukaryotic cells, certain bacteria use a similar degradation system that relies on the recognition of phosphorylated arginine residues (pArg) by the ClpC:ClpP (ClpCP) protease, thereby leading to protein degradation. In this opinion article, we have described and analized the advances in the use of PROTACs that leverage bacterial proteolytic machinery (BacPROTACs) to design new antitubercular agents. Scope Statement. The development of novel pharmaceuticals for tuberculosis treatment is deemed urgently necessary due to the emergence of resistant strains. In this context, the introduction of new technologies capable of alleviating the disease and attaining the objectives outlined by the World Health Organization is imperative. Among the innovative strategies, the degradation of proteins that are crucial for the survival of the bacillus holds promise for generating new medications, particularly those that are effective at treating latent (non-replicating) Mycobacterium tuberculosis. Within this perspective, we present the advancements and obstacles encountered in the exploration of new BacPROTAC compounds, with the intention of encouraging research and illuminating challenges associated with the implementation of BacPROTACs to address to the global tuberculosis crisis.
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Affiliation(s)
| | - Aline Renata Pavan
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
- Institute of Chemistry, São Paulo State University (UNESP), Araraquara, Brazil
| | | | - Cauê Benito Scarim
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, Brazil
| | - Daniele Castagnolo
- Department of Chemistry, University College London, London, United Kingdom
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17
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Winter GE, Mayor-Ruiz C. Proximity-inducing pharmacology. Nat Chem Biol 2024; 20:13-14. [PMID: 37978259 DOI: 10.1038/s41589-023-01492-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Affiliation(s)
- Georg E Winter
- Research Center for Molecular Medicine (CeMM), Austrian Academy of Sciences, Vienna, Austria.
| | - Cristina Mayor-Ruiz
- Institute for Research in Biomedicine (IRB) Barcelona, Barcelona Institute of Technology (BIST), Barcelona, Spain.
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18
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Jagdev MK, Tompa DR, Ling LL, Peoples AJ, Dandapat J, Mohapatra C, Lewis K, Vasudevan D. Crystal structure of the N-terminal domain of MtClpC1 in complex with the anti-mycobacterial natural peptide Lassomycin. Int J Biol Macromol 2023; 253:126771. [PMID: 37683752 DOI: 10.1016/j.ijbiomac.2023.126771] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/25/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023]
Abstract
Antibiotics form our frontline therapy against disease-causing bacteria. Unfortunately, antibiotic resistance is becoming more common, threatening a future where these medications can no longer cure infections. Furthermore, the emergence of multidrug-resistant (MDR), totally drug-resistant (TDR), and extensively drug-resistant (XDR) tuberculosis has increased the urgency of discovering new therapeutic leads with unique modes of action. Some natural peptides derived from actinomycetes, such as Cyclomarin A, Lassomycin, Rufomycin I, and Ecumicin, have potent and specific bactericidal activity against Mycobacterium tuberculosis, with the specificity owing to the fact that these peptides target the ClpC1 ATPase, an essential enzyme in mycobacteria, and inhibit/activate the proteolytic activity of the ClpC1/P1/P2 complex that participates in protein homeostasis. Here, we report the high-resolution crystal structure of the N-terminal domain of ClpC1 (ClpC1 NTD) in complex with Lassomycin, showing the specific binding mode of Lassomycin. In addition, the work also compares the Lassomycin complex structure with the previously known structures of ClpC1 NTD in complex with other natural peptides such as Cyclomarin A, Rufomycin I, and Ecumicin.
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Affiliation(s)
- Manas K Jagdev
- Division of Infectious Disease Biology, Institute of Life Sciences, Bhubaneswar 751023, Odisha, India; Post-Graduate Department of Biotechnology, Utkal University, Bhubaneswar 751004, Odisha, India
| | - Dharma R Tompa
- Division of Infectious Disease Biology, Institute of Life Sciences, Bhubaneswar 751023, Odisha, India
| | - Losee L Ling
- NovoBiotic Pharmaceuticals, Cambridge, MA 02138, USA
| | | | - Jagneshwar Dandapat
- Post-Graduate Department of Biotechnology, Utkal University, Bhubaneswar 751004, Odisha, India
| | - Chinmayee Mohapatra
- Division of Infectious Disease Biology, Institute of Life Sciences, Bhubaneswar 751023, Odisha, India
| | - Kim Lewis
- Antimicrobial Discovery Center, Department of Biology, Northeastern University, Boston, MA 02115, USA.
| | - Dileep Vasudevan
- Division of Infectious Disease Biology, Institute of Life Sciences, Bhubaneswar 751023, Odisha, India; Transdisciplinary Biology Program, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram 695014, Kerala, India.
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19
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Yang Y, Zhao N, Xu X, Zhou Y, Luo B, Zhang J, Sui J, Huang J, Qiu Z, Zhang X, Zeng J, Bai L, Bao R, Luo Y. Discovery and Mechanistic Study of Novel Mycobacterium tuberculosis ClpP1P2 Inhibitors. J Med Chem 2023; 66:16597-16614. [PMID: 38088921 DOI: 10.1021/acs.jmedchem.3c01054] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
Caseinolytic protease P (ClpP) responsible for the proteolysis of damaged or misfolded proteins plays a critical role in proteome homeostasis. MtbClpP1P2, a ClpP enzyme complex, is required for survival in Mycobacterium tuberculosis, and it is therefore considered as a promising target for the development of antituberculosis drugs. Here, we discovered that cediranib and some of its derivatives are potent MtbClpP1P2 inhibitors and suppress M. tuberculosis growth. Protein pull-down and loss-of-function assays validated the in situ targeting of MtbClpP1P2 by cediranib and its active derivatives. Structural and mutational studies revealed that cediranib binds to MtbClpP1P2 by binding to an allosteric pocket at the equatorial handle domain of the MtbClpP1 subunit, which represents a unique binding mode compared to other known ClpP modulators. These findings provide us insights for rational drug design of antituberculosis therapies and implications for our understanding of the biological activity of MtbClpP1P2.
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Affiliation(s)
- Yang Yang
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
- Capital Institute of Pediatrics, Beijing 100020, PR China
| | - Ninglin Zhao
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Xin Xu
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Yuanzheng Zhou
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Baozhu Luo
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Jiangnan Zhang
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Jing Sui
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Jiasheng Huang
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Zhiqiang Qiu
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Xuelian Zhang
- School of Life Science, Fudan University, Shanghai 200438, PR China
| | - Jumei Zeng
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Lang Bai
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Rui Bao
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Youfu Luo
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
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20
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Crunkhorn S. BacPROTAC to treat tuberculosis. Nat Rev Drug Discov 2023:10.1038/d41573-023-00073-1. [PMID: 37142699 DOI: 10.1038/d41573-023-00073-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
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