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Feng Y, Luo H, Huang J, Zhang Y, Wen J, Li L, Mi Z, Gao Q, He S, Liu X, Zhai X, Wang X, Zhang L, Niu T, Zheng Y. Dihydrolipoamide dehydrogenase (DLD) is a novel molecular target of bortezomib. Cell Death Dis 2024; 15:588. [PMID: 39138149 PMCID: PMC11322525 DOI: 10.1038/s41419-024-06982-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 08/02/2024] [Accepted: 08/06/2024] [Indexed: 08/15/2024]
Abstract
Proteasome inhibitors (PIs), such as bortezomib and calfizomib, were backbone agents in the treatment of multiple myeloma (MM). In this study, we investigated bortezomib interactors in MM cells and identified dihydrolipoamide dehydrogenase (DLD) as a molecular target of bortezomib. DLD catalyzes the oxidation of dihydrolipoamide to form lipoamide, a reaction that also generates NADH. Our data showed that bortezomib bound to DLD and inhibited DLD's enzymatic function in MM cells. DLD knocked down MM cells (DLD-KD) had decreased levels of NADH. Reduced NADH suppressed assembly of proteasome complex in cells. As a result, DLD-KD MM cells had decreased basal-level proteasome activity and were more sensitive to bortezomib. Since PIs were used in many anti-MM regimens in clinics, we found that high expression of DLD correlated with inferior prognosis of MM. Considering the regulatory role of DLD in proteasome assembly, we evaluated DLD targeting therapy in MM cells. DLD inhibitor CPI-613 showed a synergistic anti-MM effect with bortezomib in vitro and in vivo. Overall, our findings elucidated DLD as an alternative molecular target of bortezomib in MM. DLD-targeting might increase MM sensitivity to PIs.
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Affiliation(s)
- Yu Feng
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Hongmei Luo
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Jingcao Huang
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Yue Zhang
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Jingjing Wen
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
- Department of Hematology, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang, China
| | - Linfeng Li
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Ziyue Mi
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Qianwen Gao
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
- School of Life Science, Sichuan University, Chengdu, China
| | - Siyao He
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Xiang Liu
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Xinyu Zhai
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Xin Wang
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Li Zhang
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Ting Niu
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China.
| | - Yuhuan Zheng
- Department of Hematology/Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China.
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Prester A, Perbandt M, Galchenkova M, Oberthuer D, Werner N, Henkel A, Maracke J, Yefanov O, Hakanpää J, Pompidor G, Meyer J, Chapman H, Aepfelbacher M, Hinrichs W, Rohde H, Betzel C. Time-resolved crystallography of boric acid binding to the active site serine of the β-lactamase CTX-M-14 and subsequent 1,2-diol esterification. Commun Chem 2024; 7:152. [PMID: 38969718 PMCID: PMC11226702 DOI: 10.1038/s42004-024-01236-w] [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: 05/10/2024] [Accepted: 06/27/2024] [Indexed: 07/07/2024] Open
Abstract
The emergence and spread of antibiotic resistance represent a growing threat to public health. Of particular concern is the appearance of β-lactamases, which are capable to hydrolyze and inactivate the most important class of antibiotics, the β-lactams. Effective β-lactamase inhibitors and mechanistic insights into their action are central in overcoming this type of resistance, and in this context boronate-based β-lactamase inhibitors were just recently approved to treat multidrug-resistant bacteria. Using boric acid as a simplified inhibitor model, time-resolved serial crystallography was employed to obtain mechanistic insights into binding to the active site serine of β-lactamase CTX-M-14, identifying a reaction time frame of 80-100 ms. In a next step, the subsequent 1,2-diol boric ester formation with glycerol in the active site was monitored proceeding in a time frame of 100-150 ms. Furthermore, the displacement of the crucial anion in the active site of the β-lactamase was verified as an essential part of the binding mechanism of substrates and inhibitors. In total, 22 datasets of β-lactamase intermediate complexes with high spatial resolution of 1.40-2.04 Å and high temporal resolution range of 50-10,000 ms were obtained, allowing a detailed analysis of the studied processes. Mechanistic details captured here contribute to the understanding of molecular processes and their time frames in enzymatic reactions. Moreover, we could demonstrate that time-resolved crystallography can serve as an additional tool for identifying and investigating enzymatic reactions.
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Affiliation(s)
- Andreas Prester
- Institute of Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf UKE, Hamburg, Germany
- Institute of Biochemistry and Signal Transduction, University Medical Center Hamburg-Eppendorf UKE, Hamburg, Germany
| | - Markus Perbandt
- Institute of Biochemistry and Molecular Biology, University of Hamburg, Hamburg, Germany
| | | | | | - Nadine Werner
- Institute of Biochemistry and Molecular Biology, University of Hamburg, Hamburg, Germany
- Centre for Integrative Biology, Department of Integrated Structural Biology, Institute of Genetics, Molecular and Cellular Biology, IGBMC, Illkirch, France
| | | | - Julia Maracke
- Center for Free-Electron Laser Science CFEL, DESY, Hamburg, Germany
| | | | | | | | - Jan Meyer
- Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
| | - Henry Chapman
- Center for Free-Electron Laser Science CFEL, DESY, Hamburg, Germany
- Hamburg Centre for Ultrafast Imaging CUI, University of Hamburg, Hamburg, Germany
- Department of Physics, University of Hamburg, Hamburg, Germany
| | - Martin Aepfelbacher
- Institute of Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf UKE, Hamburg, Germany
| | - Winfried Hinrichs
- Institute of Biochemistry, University of Greifswald, Greifswald, Germany
| | - Holger Rohde
- Institute of Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf UKE, Hamburg, Germany.
| | - Christian Betzel
- Institute of Biochemistry and Molecular Biology, University of Hamburg, Hamburg, Germany.
- Hamburg Centre for Ultrafast Imaging CUI, University of Hamburg, Hamburg, Germany.
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Jacobs LMC, Consol P, Chen Y. Drug Discovery in the Field of β-Lactams: An Academic Perspective. Antibiotics (Basel) 2024; 13:59. [PMID: 38247618 PMCID: PMC10812508 DOI: 10.3390/antibiotics13010059] [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: 11/29/2023] [Revised: 12/21/2023] [Accepted: 12/23/2023] [Indexed: 01/23/2024] Open
Abstract
β-Lactams are the most widely prescribed class of antibiotics that inhibit penicillin-binding proteins (PBPs), particularly transpeptidases that function in peptidoglycan synthesis. A major mechanism of antibiotic resistance is the production of β-lactamase enzymes, which are capable of hydrolyzing β-lactam antibiotics. There have been many efforts to counter increasing bacterial resistance against β-lactams. These studies have mainly focused on three areas: discovering novel inhibitors against β-lactamases, developing new β-lactams less susceptible to existing resistance mechanisms, and identifying non-β-lactam inhibitors against cell wall transpeptidases. Drug discovery in the β-lactam field has afforded a range of research opportunities for academia. In this review, we summarize the recent new findings on both β-lactamases and cell wall transpeptidases because these two groups of enzymes are evolutionarily and functionally connected. Many efforts to develop new β-lactams have aimed to inhibit both transpeptidases and β-lactamases, while several promising novel β-lactamase inhibitors have shown the potential to be further developed into transpeptidase inhibitors. In addition, the drug discovery progress against each group of enzymes is presented in three aspects: understanding the targets, screening methodology, and new inhibitor chemotypes. This is to offer insights into not only the advancement in this field but also the challenges, opportunities, and resources for future research. In particular, cyclic boronate compounds are now capable of inhibiting all classes of β-lactamases, while the diazabicyclooctane (DBO) series of small molecules has led to not only new β-lactamase inhibitors but potentially a new class of antibiotics by directly targeting PBPs. With the cautiously optimistic successes of a number of new β-lactamase inhibitor chemotypes and many questions remaining to be answered about the structure and function of cell wall transpeptidases, non-β-lactam transpeptidase inhibitors may usher in the next exciting phase of drug discovery in this field.
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Affiliation(s)
| | | | - Yu Chen
- Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA; (L.M.C.J.); (P.C.)
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Choy PY, Tse MH, Kwong FY. Recent Expedition in Pd- and Rh-Catalyzed C (Ar) -B Bond Formations and Their Applications in Modern Organic Syntheses. Chem Asian J 2023; 18:e202300649. [PMID: 37655883 DOI: 10.1002/asia.202300649] [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: 07/25/2023] [Revised: 08/31/2023] [Accepted: 09/01/2023] [Indexed: 09/02/2023]
Abstract
Transition metal-catalyzed borylation has emerged as a powerful and versatile strategy for synthesizing organoboron compounds. These compounds have found widespread applications in various aspects, including organic synthesis, materials science, and medicinal chemistry. This review provides a concise summary of the recent advances in palladium- and rhodium-catalyzed borylation from 2013 to 2023. The review covers the representative examples of catalysts, substrates scope and reaction conditions, with particular emphasis on the development of catalyst systems, such as phosphine ligands, NHC-carbene, and more. The diverse array of borylative products obtained for further applications in Suzuki-Miyaura coupling, and other transformations, are also discussed. Future directions in this rapidly evolving field, with the goal of designing more efficient, selective borylation methodologies are highlighted, too.
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Affiliation(s)
- Pui Ying Choy
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, P. R. China
- Shenzhen Center of Novel Functional Molecules, Shenzhen Municipal Key Laboratory of Chemical Synthesis of Medicinal Organic Molecules, CUHK Shenzhen Research Institute, No. 10. Second Yuexing Road, Shenzhen, 518507, P. R. China
| | - Man Ho Tse
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, P. R. China
| | - Fuk Yee Kwong
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, P. R. China
- Shenzhen Center of Novel Functional Molecules, Shenzhen Municipal Key Laboratory of Chemical Synthesis of Medicinal Organic Molecules, CUHK Shenzhen Research Institute, No. 10. Second Yuexing Road, Shenzhen, 518507, P. R. China
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Zielinski KA, Prester A, Andaleeb H, Bui S, Yefanov O, Catapano L, Henkel A, Wiedorn MO, Lorbeer O, Crosas E, Meyer J, Mariani V, Domaracky M, White TA, Fleckenstein H, Sarrou I, Werner N, Betzel C, Rohde H, Aepfelbacher M, Chapman HN, Perbandt M, Steiner RA, Oberthuer D. Rapid and efficient room-temperature serial synchrotron crystallography using the CFEL TapeDrive. IUCRJ 2022; 9:778-791. [PMID: 36381150 PMCID: PMC9634612 DOI: 10.1107/s2052252522010193] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 10/21/2022] [Indexed: 05/22/2023]
Abstract
Serial crystallography at conventional synchrotron light sources (SSX) offers the possibility to routinely collect data at room temperature using micrometre-sized crystals of biological macromolecules. However, SSX data collection is not yet as routine and currently takes significantly longer than the standard rotation series cryo-crystallography. Thus, its use for high-throughput approaches, such as fragment-based drug screening, where the possibility to measure at physio-logical temperatures would be a great benefit, is impaired. On the way to high-throughput SSX using a conveyor belt based sample delivery system - the CFEL TapeDrive - with three different proteins of biological relevance (Klebsiella pneumoniae CTX-M-14 β-lactamase, Nectria haematococca xylanase GH11 and Aspergillus flavus urate oxidase), it is shown here that complete datasets can be collected in less than a minute and only minimal amounts of sample are required.
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Affiliation(s)
- Kara A Zielinski
- Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Andreas Prester
- Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
| | - Hina Andaleeb
- Institute of Biochemistry and Molecular Biology, Laboratory for Structural Biology of Infection and Inflammation, University of Hamburg, c/o DESY, Building 22a, Notkestr. 85, 22603 Hamburg, Germany
| | - Soi Bui
- Randall Centre of Cell and Molecular Biophysics, King’s College London, United Kingdom
| | - Oleksandr Yefanov
- Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Lucrezia Catapano
- Randall Centre of Cell and Molecular Biophysics, King’s College London, United Kingdom
- MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge CB2 0QH, United Kingdom
| | - Alessandra Henkel
- Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Max O. Wiedorn
- Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Olga Lorbeer
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Eva Crosas
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Jan Meyer
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Valerio Mariani
- Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Martin Domaracky
- Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Thomas A. White
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Holger Fleckenstein
- Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Iosifina Sarrou
- Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Nadine Werner
- Institute of Biochemistry and Molecular Biology, Laboratory for Structural Biology of Infection and Inflammation, University of Hamburg, c/o DESY, Building 22a, Notkestr. 85, 22603 Hamburg, Germany
| | - Christian Betzel
- Institute of Biochemistry and Molecular Biology, Laboratory for Structural Biology of Infection and Inflammation, University of Hamburg, c/o DESY, Building 22a, Notkestr. 85, 22603 Hamburg, Germany
- Hamburg Centre for Ultrafast Imaging, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
| | - Holger Rohde
- Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
| | - Martin Aepfelbacher
- Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
| | - Henry N. Chapman
- Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
- Hamburg Centre for Ultrafast Imaging, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
- Department of Physics, University of Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
| | - Markus Perbandt
- Institute of Biochemistry and Molecular Biology, Laboratory for Structural Biology of Infection and Inflammation, University of Hamburg, c/o DESY, Building 22a, Notkestr. 85, 22603 Hamburg, Germany
| | - Roberto A. Steiner
- Randall Centre of Cell and Molecular Biophysics, King’s College London, United Kingdom
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/B, Padova 35131, Italy
| | - Dominik Oberthuer
- Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
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Sheikh BA, Bhat BA, Mir MA. Antimicrobial resistance: new insights and therapeutic implications. Appl Microbiol Biotechnol 2022; 106:6427-6440. [PMID: 36121484 DOI: 10.1007/s00253-022-12175-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 11/29/2022]
Abstract
Antimicrobial resistance has not been a new phenomenon. Still, the number of resistant organisms, the geographic areas affected by emerging drug resistance, and the magnitude of resistance in a single organism are enormous and mounting. Disease and disease-causing agents formerly thought to be contained by antibiotics are now returning in new forms resistant to existing therapies. Antimicrobial resistance is one of the most severe and complicated health issues globally, driven by interrelated dynamics in humans, animals, and environmental health sectors. Coupled with various epidemiological factors and a limited pipeline for new antimicrobials, all these misappropriations allow the transmission of drug-resistant organisms. The problem is likely to worsen soon. Antimicrobial resistance in general and antibiotic resistance in particular is a shared global problem. Actions taken by any single country can adversely or positively affect the other country. Targeted coordination and prevention strategies are critical in stopping the spread of antibiotic-resistant organisms and hence its overall management. This article has provided in-depth knowledge about various methods that can help mitigate the emergence and spread of antimicrobial resistance globally. KEY POINTS: • Overview of antimicrobial resistance as a global challenge and explain various reasons for its rapid progression. • Brief about the intrinsic and acquired resistance to antimicrobials and development of antibiotic resistance in bacteria. • Systematically organized information is provided on different strategies for tackling antimicrobial resistance for the welfare of human health.
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Affiliation(s)
- Bashir Ahmad Sheikh
- Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar, 190006, J&K, India
| | - Basharat Ahmad Bhat
- Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar, 190006, J&K, India
| | - Manzoor Ahmad Mir
- Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar, 190006, J&K, India.
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