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Moncada-Basualto M, Saavedra-Olavarría J, Rivero-Jerez PS, Rojas C, Maya JD, Liempi A, Zúñiga-Bustos M, Olea-Azar C, Lapier M, Pérez EG, Pozo-Martínez J. Assessment of the Activity of Nitroisoxazole Derivatives against Trypanosoma cruzi. Molecules 2024; 29:2762. [PMID: 38930828 PMCID: PMC11207111 DOI: 10.3390/molecules29122762] [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: 05/10/2024] [Revised: 05/31/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
The development of new compounds to treat Chagas disease is imperative due to the adverse effects of current drugs and their low efficacy in the chronic phase. This study aims to investigate nitroisoxazole derivatives that produce oxidative stress while modifying the compounds' lipophilicity, affecting their ability to fight trypanosomes. The results indicate that these compounds are more effective against the epimastigote form of T. cruzi, with a 52 ± 4% trypanocidal effect for compound 9. However, they are less effective against the trypomastigote form, with a 15 ± 3% trypanocidal effect. Additionally, compound 11 interacts with a higher number of amino acid residues within the active site of the enzyme cruzipain. Furthermore, it was also found that the presence of a nitro group allows for the generation of free radicals; likewise, the large size of the compound enables increased interaction with aminoacidic residues in the active site of cruzipain, contributing to trypanocidal activity. This activity depends on the size and lipophilicity of the compounds. The study recommends exploring new compounds based on the nitroisoxazole skeleton, with larger substituents and lipophilicity to enhance their trypanocidal activity.
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Affiliation(s)
- Mauricio Moncada-Basualto
- Instituto Universitario de Investigación y Desarrollo Tecnológico, Universidad Tecnológica Metropolitana, San Joaquín 8940577, Chile; (M.M.-B.); (C.R.); (M.Z.-B.)
| | - Jorge Saavedra-Olavarría
- Department of Organic Chemistry, Faculty of Chemistry and Pharmacy, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, San Joaquin 7820436, Chile; (J.S.-O.); (P.S.R.-J.)
| | - Paula S. Rivero-Jerez
- Department of Organic Chemistry, Faculty of Chemistry and Pharmacy, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, San Joaquin 7820436, Chile; (J.S.-O.); (P.S.R.-J.)
| | - Cristian Rojas
- Instituto Universitario de Investigación y Desarrollo Tecnológico, Universidad Tecnológica Metropolitana, San Joaquín 8940577, Chile; (M.M.-B.); (C.R.); (M.Z.-B.)
- Laboratory of Free Radicals and Antioxidants, Faculty of Chemical and Pharmaceutical Science, Universidad de Chile, Olivos 1007, Independencia 8380544, Chile;
| | - Juan D. Maya
- Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Av. Independencia 1027, Independencia 8380453, Chile;
| | - Ana Liempi
- Programa de Biología Integrativa, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Av. Independencia 1027, Independencia 8380453, Chile;
| | - Matías Zúñiga-Bustos
- Instituto Universitario de Investigación y Desarrollo Tecnológico, Universidad Tecnológica Metropolitana, San Joaquín 8940577, Chile; (M.M.-B.); (C.R.); (M.Z.-B.)
| | - Claudio Olea-Azar
- Laboratory of Free Radicals and Antioxidants, Faculty of Chemical and Pharmaceutical Science, Universidad de Chile, Olivos 1007, Independencia 8380544, Chile;
| | - Michel Lapier
- Centro de Investigación, Desarrollo e Innovación de Productos Bioactivos (CinBio), Escuela de Química y Farmacia, Facultad de Farmacia, Universidad de Valparaíso, Av. Gran Bretaña 1093, Valparaiso 2360102, Chile;
| | - Edwin G. Pérez
- Department of Organic Chemistry, Faculty of Chemistry and Pharmacy, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, San Joaquin 7820436, Chile; (J.S.-O.); (P.S.R.-J.)
| | - Josué Pozo-Martínez
- Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Av. Independencia 1027, Independencia 8380453, Chile;
- Laboratorio de Química—Médica, Facultad de Ciencia y Tecnología, Universidad del Azuay, Av. 24 de Mayo 777, Cuenca 010204, Ecuador
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Cheetham CJ, McKelvey MC, McAuley DF, Taggart CC. Neutrophil-Derived Proteases in Lung Inflammation: Old Players and New Prospects. Int J Mol Sci 2024; 25:5492. [PMID: 38791530 PMCID: PMC11122108 DOI: 10.3390/ijms25105492] [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: 04/23/2024] [Revised: 05/10/2024] [Accepted: 05/15/2024] [Indexed: 05/26/2024] Open
Abstract
Neutrophil-derived proteases are critical to the pathology of many inflammatory lung diseases, both chronic and acute. These abundant enzymes play roles in key neutrophil functions, such as neutrophil extracellular trap formation and reactive oxygen species release. They may also be released, inducing tissue damage and loss of tissue function. Historically, the neutrophil serine proteases (NSPs) have been the main subject of neutrophil protease research. Despite highly promising cell-based and animal model work, clinical trials involving the inhibition of NSPs have shown mixed results in lung disease patients. As such, the cutting edge of neutrophil-derived protease research has shifted to proteases that have had little-to-no research in neutrophils to date. These include the cysteine and serine cathepsins, the metzincins and the calpains, among others. This review aims to outline the previous work carried out on NSPs, including the shortcomings of some of the inhibitor-orientated clinical trials. Our growing understanding of other proteases involved in neutrophil function and neutrophilic lung inflammation will then be discussed. Additionally, the potential of targeting these more obscure neutrophil proteases will be highlighted, as they may represent new targets for inhibitor-based treatments of neutrophil-mediated lung inflammation.
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Affiliation(s)
- Coby J. Cheetham
- Airway Innate Immunity Research (AiiR) Group, Wellcome-Wolfson Institute for Experimental Medicine and Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen’s University Belfast, Belfast BT9 7BL, UK; (C.J.C.); (M.C.M.)
| | - Michael C. McKelvey
- Airway Innate Immunity Research (AiiR) Group, Wellcome-Wolfson Institute for Experimental Medicine and Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen’s University Belfast, Belfast BT9 7BL, UK; (C.J.C.); (M.C.M.)
| | - Daniel F. McAuley
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK;
| | - Clifford C. Taggart
- Airway Innate Immunity Research (AiiR) Group, Wellcome-Wolfson Institute for Experimental Medicine and Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen’s University Belfast, Belfast BT9 7BL, UK; (C.J.C.); (M.C.M.)
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3
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Zeng R, Zhou Z, Liao W, Guo B. Genetic insights into the role of cathepsins in cardiovascular diseases: a Mendelian randomization study. ESC Heart Fail 2024. [PMID: 38714485 DOI: 10.1002/ehf2.14826] [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: 01/30/2024] [Revised: 04/05/2024] [Accepted: 04/10/2024] [Indexed: 05/10/2024] Open
Abstract
AIMS This study aimed to explore the causal relationships between cathepsins and cardiovascular diseases (CVDs) by Mendelian randomization (MR) analysis. METHODS AND RESULTS Single nucleotide polymorphisms (SNPs) associated with nine cathepsin types (cathepsins B, E, F, G, H, O, S, L2, and Z) were obtained from the INTERVAL study (3301 individuals). CVDs data were acquired from the UK Biobank (coronary atherosclerosis: 14 334 cases, 346 860 controls) and a genome-wide association study (GWAS) (myocardial infarction: 20 917 cases, 440 906 controls; myocarditis: 633 cases, 427 278 controls; chronic heart failure: 14 262 cases, 471 898 controls; angina pectoris: 30 025 cases, 440 906 controls; stable angina pectoris: 17 894 cases, 325 132 controls; unstable angina pectoris: 9481 cases, 446 987 controls; pericarditis: 1795 cases, 453 370 controls). Inverse variance weighted (IVW), MR-Egger, weighted median methods were adopted to conduct univariable MR (UVMR), reverse MR, multivariable MR (MVMR) analyses to estimate causality. The UVMR analyses demonstrated significant causal relationships between higher cathepsin E levels and increased risk of coronary atherosclerosis [IVW: P = 0.0051, odds ratio (OR) = 1.0033, 95% confidence interval (CI) = 1.0010-1.0056] and myocardial infarction (IVW: P = 0.0097, OR = 1.0553, 95% CI = 1.0131-1.0993), while elevated cathepsin L2 levels were causally related to reduced risk of myocarditis (IVW: P = 0.0120, OR = 0.6895, 95% CI = 0.5158-0.9216) and chronic heart failure (IVW: P = 0.0134, OR = 0.9316, 95% CI = 0.8807-0.9854). Reverse MR analyses revealed that myocardial infarction increased cathepsin O levels (IVW: P = 0.0400, OR = 1.0708, 95% CI = 1.0031-1.1431). MVMR analyses treating nine cathepsins together revealed that the positive causality between cathepsin E levels and coronary atherosclerosis risk (IVW: P = 0.0390, OR = 1.0030, 95% CI = 1.0000-1.0060), and the protective effect of cathepsin L2 levels on myocarditis (IVW: P = 0.0030, OR = 0.6610, 95% CI = 0.5031-0.8676) and chronic heart failure (IVW: P = 0.0090, OR = 0.9259, 95% CI = 0.8737-0.9812) remained, as higher cathepsin O levels were found to be causally related to increased risks of myocarditis (IVW: P = 0.0030, OR = 1.6145, 95% CI = 1.1829-2.2034) and chronic heart failure (IVW: P = 0.0300, OR = 1.0779, 95% CI = 1.0070-1.1537). CONCLUSIONS The study highlights the causalities of cathepsin E, L2, and O on CVDs, offering insights into their roles in cardiovascular biomarkers and therapeutic targets development. Further research is required to apply these genetic findings clinically.
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Affiliation(s)
- Ruiqi Zeng
- Guangzhou Medical University, Guangzhou, 511436, China
- Department of Clinical Medicine, Nanshan College, Guangzhou Medical University, Guangzhou, China
| | - Zhiyi Zhou
- Guangzhou Medical University, Guangzhou, 511436, China
- Department of Clinical Medicine, Third Clinical School, Guangzhou Medical University, Guangzhou, China
| | - Wanzhe Liao
- Guangzhou Medical University, Guangzhou, 511436, China
- Department of Clinical Medicine, Nanshan College, Guangzhou Medical University, Guangzhou, China
| | - Beian Guo
- Guangzhou Medical University, Guangzhou, 511436, China
- Department of Clinical Medicine, Nanshan College, Guangzhou Medical University, Guangzhou, China
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Voronina MV, Frolova AS, Kolesova EP, Kuldyushev NA, Parodi A, Zamyatnin AA. The Intricate Balance between Life and Death: ROS, Cathepsins, and Their Interplay in Cell Death and Autophagy. Int J Mol Sci 2024; 25:4087. [PMID: 38612897 PMCID: PMC11012956 DOI: 10.3390/ijms25074087] [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: 02/06/2024] [Revised: 03/29/2024] [Accepted: 04/03/2024] [Indexed: 04/14/2024] Open
Abstract
Cellular survival hinges on a delicate balance between accumulating damages and repair mechanisms. In this intricate equilibrium, oxidants, currently considered physiological molecules, can compromise vital cellular components, ultimately triggering cell death. On the other hand, cells possess countermeasures, such as autophagy, which degrades and recycles damaged molecules and organelles, restoring homeostasis. Lysosomes and their enzymatic arsenal, including cathepsins, play critical roles in this balance, influencing the cell's fate toward either apoptosis and other mechanisms of regulated cell death or autophagy. However, the interplay between reactive oxygen species (ROS) and cathepsins in these life-or-death pathways transcends a simple cause-and-effect relationship. These elements directly and indirectly influence each other's activities, creating a complex web of interactions. This review delves into the inner workings of regulated cell death and autophagy, highlighting the pivotal role of ROS and cathepsins in these pathways and their intricate interplay.
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Affiliation(s)
- Maya V. Voronina
- Research Center for Translational Medicine, Sirius University of Science and Technology, 354340 Sochi, Russia; (M.V.V.); (A.S.F.); (E.P.K.); (N.A.K.); (A.P.)
| | - Anastasia S. Frolova
- Research Center for Translational Medicine, Sirius University of Science and Technology, 354340 Sochi, Russia; (M.V.V.); (A.S.F.); (E.P.K.); (N.A.K.); (A.P.)
- Institute of Translational Medicine and Biotechnology, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Ekaterina P. Kolesova
- Research Center for Translational Medicine, Sirius University of Science and Technology, 354340 Sochi, Russia; (M.V.V.); (A.S.F.); (E.P.K.); (N.A.K.); (A.P.)
| | - Nikita A. Kuldyushev
- Research Center for Translational Medicine, Sirius University of Science and Technology, 354340 Sochi, Russia; (M.V.V.); (A.S.F.); (E.P.K.); (N.A.K.); (A.P.)
| | - Alessandro Parodi
- Research Center for Translational Medicine, Sirius University of Science and Technology, 354340 Sochi, Russia; (M.V.V.); (A.S.F.); (E.P.K.); (N.A.K.); (A.P.)
| | - Andrey A. Zamyatnin
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119234 Moscow, Russia
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119992 Moscow, Russia
- Department of Biological Chemistry, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
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Peled A, Sprecher E. Proteolytic and Antiproteolytic Activity in the Skin: Gluing the Pieces Together. J Invest Dermatol 2024; 144:466-473. [PMID: 37865898 DOI: 10.1016/j.jid.2023.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 08/22/2023] [Indexed: 10/23/2023]
Abstract
Epidermal differentiation is ultimately aimed at the formation of a functional barrier capable of protecting the organism from the environment while preventing loss of biologically vital elements. Epidermal differentiation entails a delicately regulated process of cell-cell junction formation and dissolution to enable upward cell migration and desquamation. Over the past two decades, the deciphering of the genetic basis of a number of inherited conditions has delineated the pivotal role played in this process by a series of proteases and protease inhibitors, including serpins, cathepsins, and cystatins, suggesting novel avenues for therapeutic intervention in both rare and common disorders of cornification.
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Affiliation(s)
- Alon Peled
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Eli Sprecher
- Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Department of Human Molecular Genetics and Biochemistry, Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
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6
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Stoka V, Vasiljeva O, Nakanishi H, Turk V. The Role of Cysteine Protease Cathepsins B, H, C, and X/Z in Neurodegenerative Diseases and Cancer. Int J Mol Sci 2023; 24:15613. [PMID: 37958596 PMCID: PMC10650516 DOI: 10.3390/ijms242115613] [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: 07/22/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 11/15/2023] Open
Abstract
Papain-like cysteine proteases are composed of 11 human cysteine cathepsins, originally located in the lysosomes. They exhibit broad specificity and act as endopeptidases and/or exopeptidases. Among them, only cathepsins B, H, C, and X/Z exhibit exopeptidase activity. Recently, cysteine cathepsins have been found to be present outside the lysosomes and often participate in various pathological processes. Hence, they have been considered key signalling molecules. Their potentially hazardous proteolytic activities are tightly regulated. This review aims to discuss recent advances in understanding the structural aspects of these four cathepsins, mechanisms of their zymogen activation, regulation of their activities, and functional aspects of these enzymes in neurodegeneration and cancer. Neurodegenerative effects have been evaluated, particularly in Alzheimer's disease, Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis, multiple sclerosis, and neuropsychiatric disorders. Cysteine cathepsins also participate in tumour progression and metastasis through the overexpression and secretion of proteases, which trigger extracellular matrix degradation. To our knowledge, this is the first review to provide an in-depth analysis regarding the roles of cysteine cathepsins B, H, C, and X in neurodegenerative diseases and cancer. Further advances in understanding the functions of cysteine cathepsins in these conditions will result in the development of novel, targeted therapeutic strategies.
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Affiliation(s)
- Veronika Stoka
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, SI-1000 Ljubljana, Slovenia;
- Jožef Stefan International Postgraduate School, SI-1000 Ljubljana, Slovenia
| | - Olga Vasiljeva
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, SI-1000 Ljubljana, Slovenia;
- CytomX Therapeutics, Inc., South San Francisco, CA 94080, USA
| | - Hiroshi Nakanishi
- Department of Pharmacology, Faculty of Pharmacy, Yasuda Women’s University, Hiroshima 731-0153, Japan;
| | - Vito Turk
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, SI-1000 Ljubljana, Slovenia;
- Jožef Stefan International Postgraduate School, SI-1000 Ljubljana, Slovenia
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Zhao S, Jiang M, Qing H, Ni J. Cathepsins and SARS-CoV-2 infection: From pathogenic factors to potential therapeutic targets. Br J Pharmacol 2023; 180:2455-2481. [PMID: 37403614 DOI: 10.1111/bph.16187] [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: 11/29/2022] [Revised: 05/04/2023] [Accepted: 06/20/2023] [Indexed: 07/06/2023] Open
Abstract
Coronavirus disease-19 (COVID-19) is caused by severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) infection. The COVID-19 pandemic began in March 2020 and has wrought havoc on health and economic systems worldwide. Efficacious treatment for COVID-19 is lacking: Only preventive measures as well as symptomatic and supportive care are available. Preclinical and clinical studies have indicated that lysosomal cathepsins might contribute to the pathogenesis and disease outcome of COVID-19. Here, we discuss cutting-edge evidence on the pathological roles of cathepsins in SARS-CoV-2 infection, host immune dysregulations, and the possible underlying mechanisms. Cathepsins are attractive drug targets because of their defined substrate-binding pockets, which can be exploited as binding sites for pharmaceutical enzyme inhibitors. Accordingly, the potential modulatory strategies of cathepsin activity are discussed. These insights could shed light on the development of cathepsin-based interventions for COVID-19.
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Affiliation(s)
- Shuxuan Zhao
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Muzhou Jiang
- Department of Periodontics, Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Hong Qing
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Junjun Ni
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, Beijing, China
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Xie Z, Zhao M, Yan C, Kong W, Lan F, Zhao S, Yang Q, Bai Z, Qing H, Ni J. Cathepsin B in programmed cell death machinery: mechanisms of execution and regulatory pathways. Cell Death Dis 2023; 14:255. [PMID: 37031185 PMCID: PMC10082344 DOI: 10.1038/s41419-023-05786-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/27/2023] [Accepted: 03/29/2023] [Indexed: 04/10/2023]
Abstract
Cathepsin B (CatB), a cysteine protease, is primarily localized within subcellular endosomal and lysosomal compartments. It is involved in the turnover of intracellular and extracellular proteins. Interest is growing in CatB due to its diverse roles in physiological and pathological processes. In functional defective tissues, programmed cell death (PCD) is one of the regulable fundamental mechanisms mediated by CatB, including apoptosis, pyroptosis, ferroptosis, necroptosis, and autophagic cell death. However, CatB-mediated PCD is responsible for disease progression under pathological conditions. In this review, we provide an overview of the critical roles and regulatory pathways of CatB in different types of PCD, and discuss the possibility of CatB as an attractive target in multiple diseases. We also summarize current gaps in the understanding of the involvement of CatB in PCD to highlight future avenues for research.
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Affiliation(s)
- Zhen Xie
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, 100081, Beijing, China
| | - Mengyuan Zhao
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, 100081, Beijing, China
| | - Chengxiang Yan
- Research Center for Resource Peptide Drugs, Shaanxi Engineering and Technological Research Center for Conversation and Utilization of Regional Biological Resources, Yan'an University, Yan'an, 716000, China
| | - Wei Kong
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, 100081, Beijing, China
| | - Fei Lan
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, 100081, Beijing, China
| | - Shuxuan Zhao
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, 100081, Beijing, China
| | - Qinghu Yang
- Research Center for Resource Peptide Drugs, Shaanxi Engineering and Technological Research Center for Conversation and Utilization of Regional Biological Resources, Yan'an University, Yan'an, 716000, China
| | - Zhantao Bai
- Research Center for Resource Peptide Drugs, Shaanxi Engineering and Technological Research Center for Conversation and Utilization of Regional Biological Resources, Yan'an University, Yan'an, 716000, China.
- Yan'an Key Laboratory for Neural Immuno-Tumor and Stem Cell and Engineering and Technological Research Center for Natural Peptide Drugs, Yan'an, 716000, China.
| | - Hong Qing
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, 100081, Beijing, China.
| | - Junjun Ni
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, 100081, Beijing, China.
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Chen W, Wang Z, Tian M, Hong G, Wu Y, Sui M, Chen M, An J, Song F, Peng X. Integration of TADF Photosensitizer as “Electron Pump” and BSA as “Electron Reservoir” for Boosting Type I Photodynamic Therapy. J Am Chem Soc 2023; 145:8130-8140. [PMID: 37001012 DOI: 10.1021/jacs.3c01042] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
Type I photosensitization provides an effective solution to the problem of unsatisfactory photodynamic therapeutic (PDT) effects caused by the tumor hypoxia. The challenge in the development of Type I mode is to boost the photosensitizer's own electron transfer capacity. Herein, we found that the use of bovine serum albumin (BSA) to encapsulate a thermally activated delayed fluorescence (TADF) photosensitizer PS can significantly promote the Type I PDT process to generate a mass of superoxide anions (O2•-). This Type I photosensitization opened a new strategy by employing BSA as "electron reservoir" and TADF photosensitizer as "electron pump". We integrated these roles of BSA and PS in one system by preparing nanophotosensitizer PS@BSA. The Type I PDT performance was demonstrated with tumor cells under hypoxic conditions. Furthermore, PS@BSA took full advantage of the tumor-targeting role of BSA and achieved efficient PDT for tumor-bearing mice in the in vivo experiments. This work provides an effective route to improve the PDT efficiency of hypoxic tumors.
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10
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Chang SH, Lin PY, Wu TK, Hsu CS, Huang SW, Li ZY, Liu KT, Kao JK, Chen YJ, Wong TW, Wu CY, Shieh JJ. Imiquimod-induced ROS production causes lysosomal membrane permeabilization and activates caspase-8-mediated apoptosis in skin cancer cells. J Dermatol Sci 2022; 107:142-150. [PMID: 36075780 DOI: 10.1016/j.jdermsci.2022.08.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 08/12/2022] [Accepted: 08/23/2022] [Indexed: 10/15/2022]
Abstract
BACKGROUND Lysosomal cell death is induced by lysosomal membrane permeabilization (LMP) and the subsequent release of lysosomal proteolytic enzymes, including cathepsins (CTSs), which results in mitochondrial dysfunction and apoptosis. Imiquimod (IMQ), a synthetic TLR7 ligand, has both antiviral and antitumor activity against various skin malignancies in clinical treatment. Previously, we demonstrated IMQ not only caused lysosomal dysfunction but also triggered lysosome biogenesis to achieve lysosomal adaptation in cancer cells. OBJECTIVE To determine whether lysosomes are involved in IMQ-induced apoptosis. METHODS The human skin cancer cell lines BCC, A375 and mouse melanoma cell line B16F10 were used in all experiments. Cell death was determined by the Cell Counting Kit-8 (CCK-8) assay and DNA content assay. Protein expression was determined by immunoblotting. Caspase-8 activity was assessed using a fluorescence caspase-8 kit and determined by flow cytometry and confocal microscopy. RESULTS IMQ not only induced lysosome damage but also abrogated lysosome function in skin cancer cells. IMQ-induced caspase-8 activation contributed to the processes of lysosomal cell death. Moreover, the use of ROS scavengers significantly abolished caspase-8 activation and inhibited IMQ-induced LMP. Additionally, pharmacological inhibition of CTSD not only abrogated caspase-8 activation but also rescued IMQ-induced cell death. Finally, lysosome-alkalizing agents enhanced the cytotoxicity of IMQ in vitro and in vivo. CONCLUSIONS IMQ-induced ROS accumulation promotes LMP, releases CTSs into the cytosol, stimulates caspase-8 activation and finally causes lysosomal cell death. Lysosomal cell death and the CTSD/caspase-8 axis may play a crucial role in IMQ-induced cell death.
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Affiliation(s)
- Shu-Hao Chang
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Pei-Ying Lin
- Center for Cell Therapy and Translation Research, China Medical University Hospital, Taichung, Taiwan
| | - Tsai-Kun Wu
- Division of Renal Medicine, Tungs' Taichung MetroHarbor Hospital, Taichung, Taiwan; Post Baccalaureate Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Chien-Sheng Hsu
- Frontier Molecular Medical Research Center in Children, Changhua Christian Children Hospital, Changhua County, Taiwan
| | - Shi-Wei Huang
- Center for Cell Therapy and Translation Research, China Medical University Hospital, Taichung, Taiwan
| | - Zheng-Yi Li
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Kuang-Ting Liu
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan; Department of Pathology & Laboratory Medicine, Taoyuan Armed Forces General Hospital, Taoyuan, Taiwan
| | - Jun-Kai Kao
- Post Baccalaureate Medicine, National Chung Hsing University, Taichung, Taiwan; Frontier Molecular Medical Research Center in Children, Changhua Christian Children Hospital, Changhua County, Taiwan
| | - Yi-Ju Chen
- Post Baccalaureate Medicine, National Chung Hsing University, Taichung, Taiwan; Department of Dermatology, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Tak-Wah Wong
- Department of Dermatology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chun-Ying Wu
- Division of Gastroenterology and Hepatology, Taipei Veterans General Hospital, Taipei, Taiwan.
| | - Jeng-Jer Shieh
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan; Department of Education and Research, Taichung Veterans General Hospital, Taichung, Taiwan; Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan.
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11
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Tanaka T, Warner BM, Michael DG, Nakamura H, Odani T, Yin H, Atsumi T, Noguchi M, Chiorini JA. LAMP3 inhibits autophagy and contributes to cell death by lysosomal membrane permeabilization. Autophagy 2022; 18:1629-1647. [PMID: 34802379 PMCID: PMC9298453 DOI: 10.1080/15548627.2021.1995150] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 10/06/2021] [Accepted: 10/14/2021] [Indexed: 01/18/2023] Open
Abstract
ABBREVIATIONS A253-control: A253 control for LAMP3 stable overexpression; A253- LAMP3: A253 LAPM3 stable overexpression; CASP1: caspase 1; CASP3: caspase 3; CHX: cycloheximide; CTSB: cathepsin B; CTSD: cathepsin D; CQ: chloroquine; DCs: dendritic cells; ER: endoplasmic reticulum; LGALS3: galectin 3; HCV: hepatitis C virus; HSG-control: HSG control for LAMP3 stable overexpression; HSG-LAMP3: HSG LAMP3 stable overexpression; HSP: heat shock protein; HTLV-1: human T-lymphocyte leukemia virus-1; IXA: ixazomib; LAMP: lysosomal associated membrane protein; MHC: major histocompatibility complex; mAb: monoclonal antibody; OE: overexpression; pepA: pepstatin A; pAb: polyclonal antibody; pSS: primary Sjögren syndrome; qRT-PCR: quantitative real- time reverse transcriptase polymerase chain reaction; SLE: systemic lupus erythematosus; SS: Sjögren syndrome; UPR: unfolded protein response; V-ATPase: vacuolar-type proton- translocating ATPase; Y-VAD: Ac-YVAD-cmk; Z-DEVD; Z-DEVD-fmk; Z-VAD: Z-VAD- fmk.
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Affiliation(s)
- Tsutomu Tanaka
- Adeno-Associated Virus Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Blake M. Warner
- Salivary Disorders Unit, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Drew G. Michael
- Adeno-Associated Virus Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Hiroyuki Nakamura
- Adeno-Associated Virus Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Toshio Odani
- Adeno-Associated Virus Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Hongen Yin
- Adeno-Associated Virus Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Tatsuya Atsumi
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine Hokkaido University, Sapporo, Japan
| | - Masayuki Noguchi
- Division of Cancer Biology, Institute for Genetic Medicine Hokkaido University, Sapporo, Japan
| | - John A. Chiorini
- Adeno-Associated Virus Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
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12
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He W, McCarroll CS, Nather K, Ford K, Mangion K, Riddell A, O’Toole D, Zaeri A, Corcoran D, Carrick D, Lee MMY, McEntegart M, Davie A, Good R, Lindsay MM, Eteiba H, Rocchiccioli P, Watkins S, Hood S, Shaukat A, McArthur L, Elliott EB, McClure J, Hawksby C, Martin T, Petrie MC, Oldroyd KG, Smith GL, Channon KM, Berry C, Nicklin SA, Loughrey CM. Inhibition of myocardial cathepsin-L release during reperfusion following myocardial infarction improves cardiac function and reduces infarct size. Cardiovasc Res 2022; 118:1535-1547. [PMID: 34132807 PMCID: PMC9074968 DOI: 10.1093/cvr/cvab204] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 06/14/2021] [Indexed: 12/21/2022] Open
Abstract
AIMS Identifying novel mediators of lethal myocardial reperfusion injury that can be targeted during primary percutaneous coronary intervention (PPCI) is key to limiting the progression of patients with ST-elevation myocardial infarction (STEMI) to heart failure. Here, we show through parallel clinical and integrative preclinical studies the significance of the protease cathepsin-L on cardiac function during reperfusion injury. METHODS AND RESULTS We found that direct cardiac release of cathepsin-L in STEMI patients (n = 76) immediately post-PPCI leads to elevated serum cathepsin-L levels and that serum levels of cathepsin-L in the first 24 h post-reperfusion are associated with reduced cardiac contractile function and increased infarct size. Preclinical studies demonstrate that inhibition of cathepsin-L release following reperfusion injury with CAA0225 reduces infarct size and improves cardiac contractile function by limiting abnormal cardiomyocyte calcium handling and apoptosis. CONCLUSION Our findings suggest that cathepsin-L is a novel therapeutic target that could be exploited clinically to counteract the deleterious effects of acute reperfusion injury after an acute STEMI.
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Affiliation(s)
- Weihong He
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - Charlotte S McCarroll
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - Katrin Nather
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - Kristopher Ford
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - Kenneth Mangion
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Alexandra Riddell
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - Dylan O’Toole
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - Ali Zaeri
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - David Corcoran
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - David Carrick
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Mathew M Y Lee
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Margaret McEntegart
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Andrew Davie
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Richard Good
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Mitchell M Lindsay
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Hany Eteiba
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Paul Rocchiccioli
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Stuart Watkins
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Stuart Hood
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Aadil Shaukat
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Lisa McArthur
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - Elspeth B Elliott
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - John McClure
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - Catherine Hawksby
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - Tamara Martin
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - Mark C Petrie
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Keith G Oldroyd
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Godfrey L Smith
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | | | - Keith M Channon
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, University of Oxford, Oxford, UK
| | - Colin Berry
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Clydebank G81 4DY, UK
| | - Stuart A Nicklin
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
| | - Christopher M Loughrey
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, Glasgow Cardiovascular Research Centre, University of Glasgow, University Place, Glasgow G12 8TA, UK
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13
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Ni J, Lan F, Xu Y, Nakanishi H, Li X. Extralysosomal cathepsin B in central nervous system: Mechanisms and therapeutic implications. Brain Pathol 2022; 32:e13071. [PMID: 35411983 PMCID: PMC9425006 DOI: 10.1111/bpa.13071] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 03/16/2022] [Accepted: 03/21/2022] [Indexed: 12/24/2022] Open
Abstract
Cathepsin B (CatB) is a typical cysteine lysosomal protease involved in a variety of physiologic and pathological processes. It is expressed in most cell types and is primarily localized within subcellular endosomal and lysosomal compartments. Emerging scientific evidence indicates that lysosomal leaked CatB is involved in mitochondrial stress, inflammasome activation, and nuclear senescence, but without the acidic environment. CatB is also secreted as a myokine, which is involved in muscle‐brain cross talk and neuronal dendritic remodeling. Lysosomal‐leaked and cellular‐secreted CatB functions are dependent on its enzymatic activity at a neutral pH. In the present review, we summarize the available experimental evidence that mechanistically links extralysosomal CatB to physiological and pathological functions in central nervous system, and their potential for use in therapeutic approaches.
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Affiliation(s)
- Junjun Ni
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Fei Lan
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Yan Xu
- Department of Medical Genetics & Cell Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Hiroshi Nakanishi
- Department of Pharmacology, Faculty of Pharmacy, Yasuda Women's University, Hiroshima, Japan
| | - Xue Li
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China.,School of Stomatology, Qingdao University, Qingdao, China
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14
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Heib M, Weiß J, Saggau C, Hoyer J, Fuchslocher Chico J, Voigt S, Adam D. Ars moriendi: Proteases as sculptors of cellular suicide. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119191. [PMID: 34973300 DOI: 10.1016/j.bbamcr.2021.119191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 06/14/2023]
Abstract
The Ars moriendi, which translates to "The Art of Dying," encompasses two Latin texts that gave advice on how to die well and without fear according to the Christian precepts of the late Middle Ages. Given that ten to hundred billion cells die in our bodies every day, it is obvious that the concept of a well and orderly ("regulated") death is also paramount at the cellular level. In apoptosis, as the most well-studied form of regulated cell death, proteases of the caspase family are the central mediators. However, caspases are not the only proteases that act as sculptors of cellular suicide, and therefore, we here provide an overview of the impact of proteases in apoptosis and other forms of regulated cell death.
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Affiliation(s)
- Michelle Heib
- Institut für Immunologie, Christian-Albrechts-Universität zu Kiel, Michaelisstr. 5, 24105 Kiel, Germany
| | - Jonas Weiß
- Institut für Immunologie, Christian-Albrechts-Universität zu Kiel, Michaelisstr. 5, 24105 Kiel, Germany
| | - Carina Saggau
- Institut für Immunologie, Christian-Albrechts-Universität zu Kiel, Michaelisstr. 5, 24105 Kiel, Germany
| | - Justus Hoyer
- Institut für Immunologie, Christian-Albrechts-Universität zu Kiel, Michaelisstr. 5, 24105 Kiel, Germany
| | | | - Susann Voigt
- Institut für Immunologie, Christian-Albrechts-Universität zu Kiel, Michaelisstr. 5, 24105 Kiel, Germany
| | - Dieter Adam
- Institut für Immunologie, Christian-Albrechts-Universität zu Kiel, Michaelisstr. 5, 24105 Kiel, Germany.
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15
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Kos J, Mitrović A, Perišić Nanut M, Pišlar A. Lysosomal peptidases – Intriguing roles in cancer progression and neurodegeneration. FEBS Open Bio 2022; 12:708-738. [PMID: 35067006 PMCID: PMC8972049 DOI: 10.1002/2211-5463.13372] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 01/04/2022] [Accepted: 01/20/2022] [Indexed: 11/16/2022] Open
Abstract
Lysosomal peptidases are hydrolytic enzymes capable of digesting waste proteins that are targeted to lysosomes via endocytosis and autophagy. Besides intracellular protein catabolism, they play more specific roles in several other cellular processes and pathologies, either within lysosomes, upon secretion into the cell cytoplasm or extracellular space, or bound to the plasma membrane. In cancer, lysosomal peptidases are generally associated with disease progression, as they participate in crucial processes leading to changes in cell morphology, signaling, migration, and invasion, and finally metastasis. However, they can also enhance the mechanisms resulting in cancer regression, such as apoptosis of tumor cells or antitumor immune responses. Lysosomal peptidases have also been identified as hallmarks of aging and neurodegeneration, playing roles in oxidative stress, mitochondrial dysfunction, abnormal intercellular communication, dysregulated trafficking, and the deposition of protein aggregates in neuronal cells. Furthermore, deficiencies in lysosomal peptidases may result in other pathological states, such as lysosomal storage disease. The aim of this review was to highlight the role of lysosomal peptidases in particular pathological processes of cancer and neurodegeneration and to address the potential of lysosomal peptidases in diagnosing and treating patients.
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Affiliation(s)
- Janko Kos
- University of Ljubljana Faculty of Pharmacy Aškerčeva 7 1000 Ljubljana Slovenia
- Jožef Stefan Institute Department of Biotechnology Jamova 39 1000 Ljubljana Slovenia
| | - Ana Mitrović
- Jožef Stefan Institute Department of Biotechnology Jamova 39 1000 Ljubljana Slovenia
| | - Milica Perišić Nanut
- Jožef Stefan Institute Department of Biotechnology Jamova 39 1000 Ljubljana Slovenia
| | - Anja Pišlar
- University of Ljubljana Faculty of Pharmacy Aškerčeva 7 1000 Ljubljana Slovenia
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16
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The roles of cellular protease interactions in viral infections and programmed cell death: a lesson learned from the SARS-CoV-2 outbreak and COVID-19 pandemic. Pharmacol Rep 2022; 74:1149-1165. [PMID: 35997950 PMCID: PMC9395814 DOI: 10.1007/s43440-022-00394-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/03/2022] [Accepted: 07/18/2022] [Indexed: 12/13/2022]
Abstract
The unprecedented pandemic of SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2), which leads to COVID-19, is threatening global health. Over the last 2 years, we have witnessed rapid progress in research focusing on developing new antiviral vaccines and drugs, as well as in academic and clinical efforts to understand the biology and pathology of COVID-19. The roles of proteases among master regulators of SARS-CoV-2 invasion and replication and their pivotal roles in host defence against this pathogen, including programmed cell death, have not been well established. Our understanding of protease function in health and disease has increased considerably over the last two decades, with caspases, matrix metalloproteases, and transmembrane serine proteases representing the most prominent examples. Therefore, during the COVID-19 pandemic, these enzymes have been investigated as potential molecular targets for therapeutic interventions. Proteases that are responsible for SARS-CoV-2 cell entry and replication, such as TMPRSS2, ACE2 or cathepsins, are screened with inhibitor libraries to discover lead structures for further drug design that would prevent virus multiplication. On the other hand, proteases that orchestrate programmed cell death can also be harnessed to enhance the desired demise of infected cells through apoptosis or to attenuate highly inflammatory lytic cell death that leads to undesired cytokine storms, a major hallmark of severe COVID-19. Given the prominent role of proteases in SARS-CoV-2-induced cell death, we discuss the individual roles of these enzymes and their catalytic interactions in the pathology of COVID-19 in this article. We provide a rationale for targeting proteases participating in cell death as potential COVID-19 treatments and identify knowledge gaps that might be investigated to better understand the mechanism underlying SARS-CoV-2-induced cell death.
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17
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New Insights into the Role of Cysteine Cathepsins in Neuroinflammation. Biomolecules 2021; 11:biom11121796. [PMID: 34944440 PMCID: PMC8698589 DOI: 10.3390/biom11121796] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/25/2021] [Accepted: 11/29/2021] [Indexed: 12/12/2022] Open
Abstract
Neuroinflammation, which is mediated by microglia and astrocytes, is associated with the progression of neurodegenerative diseases. Increasing evidence shows that activated microglia induce the expression and secretion of various lysosomal cathepsins, particularly during the early stage of neuroinflammation. This trigger signaling cascade that aggravate neurodegeneration. To date, most research on neuroinflammation has focused on the role of cysteine cathepsins, the largest cathepsin family. Cysteine cathepsins are primarily responsible for protein degradation in lysosomes; however, they also play a role in regulating a number of other important physiological and pathological processes. This review focuses on the functional roles of cysteine cathepsins in the central nervous system during neuroinflammation, with an emphasis on their roles in the polarization of microglia and neuroinflammation signaling, which in turn causes neuronal death and thus neurodegeneration.
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18
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D'Orsi B, Niewidok N, Düssmann H, Prehn JHM. Mitochondrial Carrier Homolog 2 Functionally Co-operates With BH3 Interacting-Domain Death Agonist in Promoting Ca 2+-Induced Neuronal Injury. Front Cell Dev Biol 2021; 9:750100. [PMID: 34708044 PMCID: PMC8542846 DOI: 10.3389/fcell.2021.750100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/10/2021] [Indexed: 12/28/2022] Open
Abstract
The BH3 interacting-domain death agonist (BID) is a pro-apoptotic member of the Bcl-2 protein family. While proteolytic processing of BID links death receptor-induced apoptosis to the mitochondrial apoptosis pathway, we previously showed that full length BID also translocates to mitochondria during Ca2+-induced neuronal cell death. Moreover, mitochondrial carrier homolog 2 (MTCH2) was identified as a mitochondrial protein that interacts with BID during cell death. We started our studies by investigating the effect of Mtch2 silencing in a well-established model of Ca2+-induced mitochondrial permeability transition pore opening in non-neuronal HCT116 cells. We found that silencing of Mtch2 inhibited mitochondrial swelling and the associated decrease in mitochondrial energetics, suggesting a pro-death function for MTCH2 during Ca2+-induced injury. Next, we explored the role of BID and MTCH2 in mediating Ca2+-induced injury in primary cortical neurons triggered by prolonged activation of NMDA glutamate receptors. Analysis of intracellular Ca2+ transients, using time-lapse confocal microscopy, revealed that neurons lacking Bid showed markedly reduced Ca2+ levels during the NMDA excitation period. These Ca2+ transients were further decreased when Mtch2 was also silenced. Collectively, our data suggest that BID and MTCH2 functionally interact to promote Ca2+-induced neuronal injury.
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Affiliation(s)
- Beatrice D'Orsi
- Department of Physiology & Medical Physics, Centre for the Study of Neurological Disorders, Royal College of Surgeons in Ireland, Dublin, Ireland.,Institute of Neuroscience, Italian National Research Council, Pisa, Italy
| | - Natalia Niewidok
- Department of Physiology & Medical Physics, Centre for the Study of Neurological Disorders, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Heiko Düssmann
- Department of Physiology & Medical Physics, Centre for the Study of Neurological Disorders, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Jochen H M Prehn
- Department of Physiology & Medical Physics, Centre for the Study of Neurological Disorders, Royal College of Surgeons in Ireland, Dublin, Ireland
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邢 磊, 耿 远, 李 文, 林 丽, 徐 平. [Expression of RUNX2/LAPTM5 in MC3T3-E1 osteoblastic cells with induced mineralization]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2021; 41:1394-1399. [PMID: 34658355 PMCID: PMC8526321 DOI: 10.12122/j.issn.1673-4254.2021.09.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To investigate the association of the expressions of RUNX2/LAPTM5 with osteogenesis and lysosomes in osteoblastic cells during mineralization induction. METHODS MC3T3- E1 cells cultured in osteogenic induction medium was examined for mineralization and osteogenic differentiation using Alizarin red staining and alkaline phosphatase (ALP) staining, respectively. RT-qPCR and Western blotting were used to detect the mRNA and protein expressions of Runx2 and LAPTM5 in the cells during osteogenic induction for 5 days. The effects of overexpression and interference of RUNX2/ LAPTM5 on the expressions of ALP and osteocalcin (OCN) in the cells were examined with Western blotting. RESULTS MC3T3- E1 cells cultured in osteogenic induction medium showed an increased number of mineralized nodules over time, and the size of the mineralized nodules increased as the culture time extended; the number of purple-blue granules stained by ALP also increased gradually with time. RT-qPCR and Western blotting showed that the expressions of RUNX2 and LAPTM5 in the cells increased progressively during osteogenic mineralization (P < 0.001). Overexpression and interference of RUNX2 obviously affected LAPTM5 expression in the cells (P < 0.05); modulation of LAPTM5 expression did not significantly affect RUNX2 expression but caused significant changes in ALP and OCN expressions (P < 0.01). CONCLUSION RUNX2 /LAPTM5 may participate in the regulation of osteoblast differentiation, and RUNX2 may be involved in the regulation of LAPTM5 expression. RUNX2 /LAPTM5 may play a mediating role in the process of osteogenic mineralization involving lysosomes.
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Affiliation(s)
- 磊 邢
- 广州医科大学附属口腔医院种植科//广州市口腔再生医学基础与应用研究重点实验室,广东 广州 510182Department of Oral Implantology, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou Key Laboratory of Basic and Applied Research in Oral Regenerative Medicine, Guangzhou 510182, China
| | - 远明 耿
- 南方医科大学珠江医院口腔科,广东 广州 510282Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - 文昊 李
- 南方医科大学口腔医院,广东 广州 510280Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - 丽佳 林
- 南方医科大学口腔医院,广东 广州 510280Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - 平平 徐
- 南方医科大学口腔医院,广东 广州 510280Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
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20
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Efremenko AV, Dyakova ED, Ostroverkhov PV, Kirin NS, Mironov AF, Grin MA, Feofanov AV. Intracellular Localization and the Mechanisms of Photodynamic Action of 131-[2-(Guanidinyl)ethylamino] Chlorin e6 Dimethyl Ester. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2021. [DOI: 10.1134/s1068162021040087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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21
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Caspase-8 deficiency induces a switch from TLR3 induced apoptosis to lysosomal cell death in neuroblastoma. Sci Rep 2021; 11:10609. [PMID: 34011952 PMCID: PMC8134575 DOI: 10.1038/s41598-021-89793-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 03/10/2021] [Indexed: 01/16/2023] Open
Abstract
In cancer cells only, TLR3 acquires death receptor properties by efficiently triggering the extrinsic pathway of apoptosis with Caspase-8 as apical protease. Here, we demonstrate that in the absence of Caspase-8, activation of TLR3 can trigger a form of programmed cell death, which is distinct from classical apoptosis. When TLR3 was activated in the Caspase-8 negative neuroblastoma cell line SH-SY5Y, cell death was accompanied by lysosomal permeabilization. Despite caspases being activated, lysosomal permeabilization as well as cell death were not affected by blocking caspase-activity, positioning lysosomal membrane permeabilization (LMP) upstream of caspase activation. Taken together, our data suggest that LMP with its deadly consequences represents a “default” death mechanism in cancer cells, when Caspase-8 is absent and apoptosis cannot be induced.
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Intrinsically Connected: Therapeutically Targeting the Cathepsin Proteases and the Bcl-2 Family of Protein Substrates as Co-regulators of Apoptosis. Int J Mol Sci 2021; 22:ijms22094669. [PMID: 33925117 PMCID: PMC8124540 DOI: 10.3390/ijms22094669] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/22/2021] [Accepted: 04/26/2021] [Indexed: 12/14/2022] Open
Abstract
Taken with the growing importance of cathepsin-mediated substrate proteolysis in tumor biology and progression, the focus and emphasis placed on therapeutic design and development is coming into fruition. Underpinning this approach is the invariable progression from the direction of fully characterizing cathepsin protease members and their substrate targets, towards targeting such an interaction with tangible therapeutics. The two groups of such substrates that have gained much attention over the years are the pro- and anti- apoptotic protein intermediates from the extrinsic and intrinsic signaling arms of the apoptosis pathway. As proteins that are central to determining cellular fate, some of them present themselves as very favorable candidates for therapeutic targeting. However, considering that both anti- and pro- apoptotic signaling intermediates have been reported to be downstream substrates for certain activated cathepsin proteases, therapeutic targeting approaches based on greater selectivity do need to be given greater consideration. Herein, we review the relationships shared by the cathepsin proteases and the Bcl-2 homology domain proteins, in the context of how the topical approach of adopting 'BH3-mimetics' can be explored further in modulating the relationship between the anti- and pro- apoptotic signaling intermediates from the intrinsic apoptosis pathway and their upstream cathepsin protease regulators. Based on this, we highlight important future considerations for improved therapeutic design.
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Quinacrine-Induced Autophagy in Ovarian Cancer Triggers Cathepsin-L Mediated Lysosomal/Mitochondrial Membrane Permeabilization and Cell Death. Cancers (Basel) 2021; 13:cancers13092004. [PMID: 33919392 PMCID: PMC8122252 DOI: 10.3390/cancers13092004] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/01/2021] [Accepted: 04/17/2021] [Indexed: 01/08/2023] Open
Abstract
Simple Summary Ovarian cancer (OC) is the most common cause of cancer-related deaths among women worldwide, and its incidence has been increasing and has continued to prove resistant to a variety of therapeutics. This observation is principally disturbing given the amount of money invested in identifying novel therapies for this disease. A comparatively rapid and economical pipeline for identification of novel drugs is drug repurposing. We reported earlier that the antimalarial drug Quinacrine (QC) also has anticancer activity and here we discovered that QC significantly upregulates cathepsin L (CTSL) and promoting autophagic flux in ovarian cancer. QC-induced CTSL activation promotes lysosomal membrane permeability resulting in active CTSL release into the cytosol, which promotes Bid cleavage, mitochondrial membrane permeability, cytochrome-c release and cell death in both in-vitro and in-vivo models. Therefore, QC is a promising candidate for OC treatment. Abstract We previously reported that the antimalarial compound quinacrine (QC) induces autophagy in ovarian cancer cells. In the current study, we uncovered that QC significantly upregulates cathepsin L (CTSL) but not cathepsin B and D levels, implicating the specific role of CTSL in promoting QC-induced autophagic flux and apoptotic cell death in OC cells. Using a Magic Red® cathepsin L activity assay and LysoTracker red, we discerned that QC-induced CTSL activation promotes lysosomal membrane permeability (LMP) resulting in the release of active CTSL into the cytosol to promote apoptotic cell death. We found that QC-induced LMP and CTSL activation promotes Bid cleavage, mitochondrial outer membrane permeabilization (MOMP), and mitochondrial cytochrome-c release. Genetic (shRNA) and pharmacological (Z-FY(tBU)-DMK) inhibition of CTSL markedly reduces QC-induced autophagy, LMP, MOMP, apoptosis, and cell death; whereas induced overexpression of CTSL in ovarian cancer cell lines has an opposite effect. Using recombinant CTSL, we identified p62/SQSTM1 as a novel substrate of CTSL, suggesting that CTSL promotes QC-induced autophagic flux. CTSL activation is specific to QC-induced autophagy since no CTSL activation is seen in ATG5 knockout cells or with the anti-malarial autophagy-inhibiting drug chloroquine. Importantly, we showed that upregulation of CTSL in QC-treated HeyA8MDR xenografts corresponds with attenuation of p62, upregulation of LC3BII, cytochrome-c, tBid, cleaved PARP, and caspase3. Taken together, the data suggest that QC-induced autophagy and CTSL upregulation promote a positive feedback loop leading to excessive autophagic flux, LMP, and MOMP to promote QC-induced cell death in ovarian cancer cells.
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Macrophage apoptosis using alendronate in targeted nanoarchaeosomes. Eur J Pharm Biopharm 2021; 160:42-54. [PMID: 33440242 DOI: 10.1016/j.ejpb.2021.01.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 12/30/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022]
Abstract
Nanoarchaeosomes are non-hydrolysable nanovesicles made of archaeolipids, naturally functionalised with ligand for scavenger receptor class 1. We hypothesized that nitrogenate bisphosphonate alendronate (ALN) loaded nanoarchaeosomes (nanoarchaeosomes(ALN)) may constitute more efficient macrophage targeted apoptotic inducers than ALN loaded nanoliposomes (nanoliposomes (ALN)). To that aim, ALN was loaded in cholesterol containing (nanoARC-chol(ALN)) or not (nanoARC(ALN)) nanoarchaeosomes. Nanoarchaeosomes(ALN) (220-320 nm sized, ~ -40 mV ξ potential, 38-50 μg ALN/mg lipid ratio) displayed higher structural stability than nanoliposomes(ALN) of matching size and ξ potential, retaining most of ALN against a 1/200 folds dilution. The cytotoxicity of nanoARC(ALN) on J774A.1 cells, resulted > 30 folds higher than free ALN and nanoliposomes(ALN) and was reduced by cholesterol in nanoARC-chol(ALN). Devoid of ALN, nanoARC-chol was non-cytotoxic, exhibited pronounced anti-inflammatory activity on J774.1 cells, strongly reducing reactive oxygen species (ROS) and IL-6 induced by LPS. Nanoarchaeosomes bilayer extensively interacted with serum proteins but resulted refractory to phospholipases. Upon J774A.1 cells uptake, nanoarchaeosomes induced cytoplasmic acid vesicles, reduced the mitochondrial membrane potential by 20-40 % without consuming ATP neither damaging lysosomes and increasing pERK. Refractory to chemoenzymatic attacks, either void or drug loaded, nanoarchaeosomes induced either anti-inflammation or macrophages apoptosis, constituting promising targeted nanovesicles for multiple therapeutic purposes.
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25
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O'Toole D, Zaeri AAI, Nicklin SA, French AT, Loughrey CM, Martin TP. Signalling pathways linking cysteine cathepsins to adverse cardiac remodelling. Cell Signal 2020; 76:109770. [PMID: 32891693 DOI: 10.1016/j.cellsig.2020.109770] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/27/2020] [Accepted: 08/31/2020] [Indexed: 12/12/2022]
Abstract
Adverse cardiac remodelling clinically manifests as deleterious changes to heart architecture (size, mass and geometry) and function. These changes, which include alterations to ventricular wall thickness, chamber dilation and poor contractility, are important because they progressively drive patients with cardiac disease towards heart failure and are associated with poor prognosis. Cysteine cathepsins contribute to key signalling pathways involved in adverse cardiac remodelling including synthesis and degradation of the cardiac extracellular matrix (ECM), cardiomyocyte hypertrophy, impaired cardiomyocyte contractility and apoptosis. In this review, we highlight the role of cathepsins in these signalling pathways as well as their translational potential as therapeutic targets in cardiac disease.
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Affiliation(s)
- Dylan O'Toole
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, UK
| | - Ali Abdullah I Zaeri
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, UK
| | - Stuart A Nicklin
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, UK
| | - Anne T French
- Clinical Sciences Department, Ross University School of Veterinary Medicine, Basseterre, St. Kitts, West Indies, Saint Kitts and Nevis
| | - Christopher M Loughrey
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, UK.
| | - Tamara P Martin
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, UK.
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Tsubone TM, Martins WK, Franco MSF, Silva MN, Itri R, Baptista MS. Cellular compartments challenged by membrane photo-oxidation. Arch Biochem Biophys 2020; 697:108665. [PMID: 33159891 DOI: 10.1016/j.abb.2020.108665] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 10/20/2020] [Accepted: 10/31/2020] [Indexed: 12/18/2022]
Abstract
The lipid composition impacts directly on the structure and function of the cytoplasmic as well as organelle membranes. Depending on the type of membrane, specific lipids are required to accommodate, intercalate, or pack membrane proteins to the proper functioning of the cells/organelles. Rather than being only a physical barrier that separates the inner from the outer spaces, membranes are responsible for many biochemical events such as cell-to-cell communication, protein-lipid interaction, intracellular signaling, and energy storage. Photochemical reactions occur naturally in many biological membranes and are responsible for diverse processes such as photosynthesis and vision/phototaxis. However, excessive exposure to light in the presence of absorbing molecules produces excited states and other oxidant species that may cause cell aging/death, mutations and innumerable diseases including cancer. At the same time, targeting key compartments of diseased cells with light can be a promising strategy to treat many diseases in a clinical procedure called Photodynamic Therapy. Here we analyze the relationships between membrane alterations induced by photo-oxidation and the biochemical responses in mammalian cells. We specifically address the impact of photosensitization reactions in membranes of different organelles such as mitochondria, lysosome, endoplasmic reticulum, and plasma membrane, and the subsequent responses of eukaryotic cells.
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Affiliation(s)
| | | | - Marcia S F Franco
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, SP, Brazil
| | | | - Rosangela Itri
- Department of Applied Physics, Institute of Physics, University of São Paulo, SP, Brazil
| | - Mauricio S Baptista
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, SP, Brazil.
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Pišlar A, Mitrović A, Sabotič J, Pečar Fonović U, Perišić Nanut M, Jakoš T, Senjor E, Kos J. The role of cysteine peptidases in coronavirus cell entry and replication: The therapeutic potential of cathepsin inhibitors. PLoS Pathog 2020; 16:e1009013. [PMID: 33137165 PMCID: PMC7605623 DOI: 10.1371/journal.ppat.1009013] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Over the last 2 decades, several coronaviruses (CoVs) have crossed the species barrier into humans, causing highly prevalent and severe respiratory diseases, often with fatal outcomes. CoVs are a large group of enveloped, single-stranded, positive-sense RNA viruses, which encode large replicase polyproteins that are processed by viral peptidases to generate the nonstructural proteins (Nsps) that mediate viral RNA synthesis. Papain-like peptidases (PLPs) and chymotrypsin-like cysteine 3C-like peptidase are essential for coronaviral replication and represent attractive antiviral drug targets. Furthermore, CoVs utilize the activation of their envelope spike glycoproteins by host cell peptidases to gain entry into cells. CoVs have evolved multiple strategies for spike protein activation, including the utilization of lysosomal cysteine cathepsins. In this review, viral and host peptidases involved in CoV cell entry and replication are discussed in depth, with an emphasis on papain-like cysteine cathepsins. Furthermore, important findings on cysteine peptidase inhibitors with regard to virus attenuation are highlighted as well as the potential of such inhibitors for future treatment strategies for CoV-related diseases.
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Affiliation(s)
- Anja Pišlar
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Ana Mitrović
- Department of Biotechnology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Jerica Sabotič
- Department of Biotechnology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Urša Pečar Fonović
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | | | - Tanja Jakoš
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Emanuela Senjor
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
- Department of Biotechnology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Janko Kos
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
- Department of Biotechnology, Jožef Stefan Institute, Ljubljana, Slovenia
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Mazzotta C, Marden G, Farina A, Bujor A, Trojanowski MA, Trojanowska M. FLI1 and ERG protein degradation is regulated via Cathepsin B lysosomal pathway in human dermal microvascular endothelial cells. Microcirculation 2020; 28:e12660. [PMID: 32979864 PMCID: PMC7988617 DOI: 10.1111/micc.12660] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/11/2020] [Accepted: 09/16/2020] [Indexed: 01/11/2023]
Abstract
Objectives Friend leukemia integration 1 and erythroblast transformation‐specific, important regulators of endothelial cell homeostasis, are reduced in microvascular endothelial cells in scleroderma patients, and their deficiency has been implicated in disease pathogenesis. The goal of this study was to identify the mechanisms involved in the protein turnover of friend leukemia integration 1 and erythroblast transformation‐specific in microvascular endothelial cells. Methods The effects of lysosome and proteosome inhibitors on friend leukemia integration 1 and erythroblast transformation‐specific levels were assessed by Western blotting and capillary morphogenesis. The effect of scleroderma and control sera on the levels of friend leukemia integration 1 and erythroblast transformation‐specific was examined. Results The reduction in the protein levels of friend leukemia integration 1 and erythroblast transformation‐specific in response to interferon α or Poly:(IC) was reversed by blocking either lysosomal (leupeptin and Cathepsin B inhibitor) or proteosomal degradation (MG132). MG132, leupeptin or CTSB‐(i) also counteracted the anti‐angiogenic effects of Poly:(IC) or interferon α. Scleroderma sera reduced protein levels of friend leukemia integration 1 and erythroblast transformation‐specific in comparison to control sera. Treatment with CTSB(i) increased the levels of friend leukemia integration 1 and erythroblast transformation‐specific in a majority of serum‐treated samples. Conclusions Inhibition of cathepsin B was effective in reversing the reduction of friend leukemia integration 1 and erythroblast transformation‐specific protein levels after treatment with interferon α or scleroderma sera, suggesting that targeting cathepsin B may have a beneficial effect in SSc vascular disease.
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Affiliation(s)
- Celestina Mazzotta
- Arthritis and Autoimmune Diseases Center, School of Medicine, Boston University, Boston, MA, USA
| | - Grace Marden
- Arthritis and Autoimmune Diseases Center, School of Medicine, Boston University, Boston, MA, USA
| | - Alessandra Farina
- Arthritis and Autoimmune Diseases Center, School of Medicine, Boston University, Boston, MA, USA
| | - Andreea Bujor
- Arthritis and Autoimmune Diseases Center, School of Medicine, Boston University, Boston, MA, USA
| | - Marcin A Trojanowski
- Arthritis and Autoimmune Diseases Center, School of Medicine, Boston University, Boston, MA, USA
| | - Maria Trojanowska
- Arthritis and Autoimmune Diseases Center, School of Medicine, Boston University, Boston, MA, USA
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Hunaiti S, Wallin H, Eriksson M, Järås M, Abrahamson M. Secreted cystatins decrease proliferation and enhance apoptosis of human leukemic cells. FEBS Open Bio 2020; 10:2166-2181. [PMID: 32810913 PMCID: PMC7530398 DOI: 10.1002/2211-5463.12958] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 07/15/2020] [Accepted: 08/17/2020] [Indexed: 02/06/2023] Open
Abstract
Cysteine proteases are implicated in proteolysis events favoring cancer cell growth, spread, and death by apoptosis. Herein, we have studied whether the net growth and survival of the leukemic cell lines Jurkat, U937, and HL‐60 are affected by external addition of five proteins acting as natural cysteine protease inhibitors. None of the cystatins examined (A, C, D, and E/M) or chagasin showed consistent effects on Fas‐induced apoptosis when evaluated at 1 µm. In contrast, when the intrinsic apoptosis pathway was activated by hydrogen peroxide, addition of cystatin D augmented caspase‐3‐like activity within all three cell lines. Flow cytometric analysis of U937 cells also showed increased numbers of annexin V‐positive cells when hydrogen peroxide was used to initiate apoptosis and cells were cultured in the presence of cystatin D or C. Moreover, stimulation of hydrogen peroxide‐induced apoptotic U937 cells with either cystatin C or D resulted in a dose‐dependent decrease in the number of cells. Cell viability was also decreased when U937 cells were cultured in the presence of cystatin C or D (1–9 µm) only, demonstrating that these cystatins can reduce cell proliferation by themselves in addition to enhancing apoptosis induced by oxidative stress. These effects on U937 cells were paralleled by internalization of cystatins C and D, indicating these effects are caused by downregulation of intracellular proteolysis. External addition of cystatins C and D to HL‐60 and Jurkat cells demonstrated similar degrees of cystatin D uptake and decreased viability as for U937 cells, indicating that these effects are general for leukemic cells.
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Affiliation(s)
- Samar Hunaiti
- Division of Clinical Chemistry & Pharmacology, Department of Laboratory Medicine, Lund University, Sweden
| | - Hanna Wallin
- Division of Clinical Chemistry & Pharmacology, Department of Laboratory Medicine, Lund University, Sweden
| | - Mia Eriksson
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Sweden
| | - Marcus Järås
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Sweden
| | - Magnus Abrahamson
- Division of Clinical Chemistry & Pharmacology, Department of Laboratory Medicine, Lund University, Sweden
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30
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Kessel D. Photodynamic therapy: apoptosis, paraptosis and beyond. Apoptosis 2020; 25:611-615. [DOI: 10.1007/s10495-020-01634-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2020] [Indexed: 11/30/2022]
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31
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Hansda S, Ghosh G, Ghosh R. 9-phenyl acridine photosensitizes A375 cells to UVA radiation. Heliyon 2020; 6:e04733. [PMID: 32944667 PMCID: PMC7481570 DOI: 10.1016/j.heliyon.2020.e04733] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/29/2020] [Accepted: 08/12/2020] [Indexed: 01/10/2023] Open
Abstract
Acridines are an important class of bioactive molecules having varied uses. Its derivative, 9-phenylacridine (ACPH) had been found to exhibit antitumor activity both in cell lines and in vivo model. Its DNA binding ability and absorbance in the ultraviolet range encouraged us to investigate its role as a photosensitizer with UVA radiation. We investigated the effects of ACPH prior to UVA exposure on in vitro DNA through photo-cleavage assay. Effect of such treatment was also studied in cultured A375 melanoma cells. Endpoints studied included morphological changes, evaluation of cellular viability, scratch assay, intracellular reactive oxygen species (ROS) production, DNA damage, lipid peroxidation, glutathione (GSH) level, autophagy, cell cycle progression, depletion of mitochondrial membrane potential (ΔΨmt), induction of apoptosis and Hoechst dye efflux assay. Our findings indicated that ACPH could sensitize damage to DNA induced by UVA both in vitro and in cells. It could also potentiate cell killing by UVA. It arrested cells in G2/M phase and induced apoptotic death through mitochondria mediated pathway. This sensitization was through enhancement of intracellular ROS. Our findings also indicated that the stem cells side population was reduced on such treatment. The findings are important as it indicates ACPH as a promising photosensitizer and indicates its possible role in photodynamic therapy.
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Affiliation(s)
- Surajit Hansda
- Department of Biochemistry & Biophysics, University of Kalyani, Kalyani, 741235, West Bengal, India
| | - Gargi Ghosh
- Department of Molecular Biology & Biotechnology, University of Kalyani, Kalyani, 741235, West Bengal, India
| | - Rita Ghosh
- Department of Biochemistry & Biophysics, University of Kalyani, Kalyani, 741235, West Bengal, India
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32
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Lim CL, Or YZ, Ong Z, Chung HH, Hayashi H, Shrestha S, Chiba S, Lin F, Lin VCL. Estrogen exacerbates mammary involution through neutrophil-dependent and -independent mechanism. eLife 2020; 9:57274. [PMID: 32706336 PMCID: PMC7417171 DOI: 10.7554/elife.57274] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 07/23/2020] [Indexed: 12/21/2022] Open
Abstract
There is strong evidence that the pro-inflammatory microenvironment during post-partum mammary involution promotes parity-associated breast cancer. Estrogen exposure during mammary involution drives tumor growth through neutrophils’ activity. However, how estrogen and neutrophils influence mammary involution are unknown. Combined analysis of transcriptomic, protein, and immunohistochemical data in BALB/c mice showed that estrogen promotes involution by exacerbating inflammation, cell death and adipocytes repopulation. Remarkably, 88% of estrogen-regulated genes in mammary tissue were mediated through neutrophils, which were recruited through estrogen-induced CXCR2 signalling in an autocrine fashion. While neutrophils mediate estrogen-induced inflammation and adipocytes repopulation, estrogen-induced mammary cell death was via lysosome-mediated programmed cell death through upregulation of cathepsin B, Tnf and Bid in a neutrophil-independent manner. Notably, these multifaceted effects of estrogen are mostly mediated by ERα and unique to the phase of mammary involution. These findings are important for the development of intervention strategies for parity-associated breast cancer.
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Affiliation(s)
- Chew Leng Lim
- NTU Institute for Health Technologies, Interdisciplinary Graduate School, Nanyang Technological University, Singapore, Singapore.,School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Yu Zuan Or
- School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Zoe Ong
- School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Hwa Hwa Chung
- School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Hirohito Hayashi
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, Singapore
| | - Smeeta Shrestha
- School of Basic and Applied Sciences, Dayananda Sagar University, Bangalore, India
| | - Shunsuke Chiba
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, Singapore
| | - Feng Lin
- School of Computer Science and Engineering, Nanyang Technological University, Singapore, Singapore
| | - Valerie Chun Ling Lin
- School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
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Costa CA, Lopes RM, Ferraz LS, Esteves GN, Di Iorio JF, Souza AA, de Oliveira IM, Manarin F, Judice WA, Stefani HA, Rodrigues T. Cytotoxicity of 4-substituted quinoline derivatives: Anticancer and antileishmanial potential. Bioorg Med Chem 2020; 28:115511. [DOI: 10.1016/j.bmc.2020.115511] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 04/08/2020] [Accepted: 04/14/2020] [Indexed: 12/11/2022]
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Kavčič N, Butinar M, Sobotič B, Hafner Česen M, Petelin A, Bojić L, Zavašnik Bergant T, Bratovš A, Reinheckel T, Turk B. Intracellular cathepsin C levels determine sensitivity of cells to leucyl-leucine methyl ester-triggered apoptosis. FEBS J 2020; 287:5148-5166. [PMID: 32319717 DOI: 10.1111/febs.15326] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 02/06/2020] [Accepted: 03/05/2020] [Indexed: 12/20/2022]
Abstract
L-leucyl-leucine methyl ester (LLOMe) is a lysosomotropic detergent, which was evaluated in clinical trials in graft-vs-host disease because it very efficiently killed monocytic cell lines. It was also shown to efficiently trigger apoptosis in cancer cells, suggesting that the drug might have potential in anticancer therapy. Using U-937 and THP-1 promonocytes as models for monocytic cells, U-87-MG and HeLa cells as models for cancer cells, and noncancerous HEK293 cells, we show that the drug triggers rapid cathepsin C-dependent lysosomal membrane permeabilization, followed by the release of other cysteine cathepsins into the cytosol and subsequent apoptosis. However, monocytes were found to be far more sensitive to the drug than the cancer and noncancer cells, which is most likely a consequence of the much higher intracellular levels of cathepsin C-the most upstream molecule in the pathway-in monocytic cell lines as compared to cancer cells. Overexpression of cathepsin C in HEK293 cells substantially enhances their sensitivity to the drug, consistent with the crucial role of cathepsin C. Major involvement of cysteine cathepsins B, S, and L in the downstream signaling pathway to mitochondrial cell death was confirmed in two gene ablation models, including the ablation of the major cytosolic inhibitor of cysteine cathepsins, stefin B, in primary mouse cancer cells, and simultaneous ablation of two major cathepsins, B and L, in mouse embryonic fibroblasts (MEFs). Deletion of stefin B resulted in sensitizing primary murine breast cancer cells to cell death without affecting the release of cathepsins, whereas simultaneous ablation of cathepsins B and L largely protected MEFs against cell death. However, due to the extreme sensitivity of monocytes to LLOMe, it appears that the drug may not be suitable for anticancer therapy due to risk of systemic toxicity.
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Affiliation(s)
- Nežka Kavčič
- Department of Biochemistry, Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Miha Butinar
- Department of Biochemistry, Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Barbara Sobotič
- Department of Biochemistry, Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Maruša Hafner Česen
- Department of Biochemistry, Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Ana Petelin
- Department of Biochemistry, Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia.,Faculty of Health Sciences, University of Primorska, Izola, Slovenia
| | - Lea Bojić
- Department of Biochemistry, Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Tina Zavašnik Bergant
- Department of Biochemistry, Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Andreja Bratovš
- Department of Biochemistry, Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia.,Jožef Stefan International Postgraduate School, Ljubljana, Slovenia
| | - Thomas Reinheckel
- Medical Faculty, Institute of Molecular Medicine and Cell Research, Albert-Ludwigs University, Freiburg, Germany.,German Cancer Consortium (DKTK) partner site Freiburg, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Boris Turk
- Department of Biochemistry, Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia.,Faculty of Chemistry and Chemical Technology, Ljubljana, Slovenia
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35
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Palacios-Hernandez T, Diaz-Diestra DM, Nguyen AK, Skoog SA, Vijaya Chikkaveeraiah B, Tang X, Wu Y, Petrochenko PE, Sussman EM, Goering PL. Cytotoxicity, cellular uptake and apoptotic responses in human coronary artery endothelial cells exposed to ultrasmall superparamagnetic iron oxide nanoparticles. J Appl Toxicol 2020; 40:918-930. [PMID: 32080871 DOI: 10.1002/jat.3953] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 01/12/2020] [Accepted: 01/23/2020] [Indexed: 01/11/2023]
Abstract
Ultrasmall superparamagnetic iron oxide nanoparticles (USPION) possess reactive surfaces, are metabolized and exhibit unique magnetic properties. These properties are desirable for designing novel theranostic biomedical products; however, toxicity mechanisms of USPION are not completely elucidated. The goal of this study was to investigate cell interactions (uptake and cytotoxicity) of USPION using human coronary artery endothelial cells as a vascular cell model. Polyvinylpirrolidone-coated USPION were characterized: average diameter 17 nm (transmission electron microscopy [TEM]), average hydrodynamic diameter 44 nm (dynamic light scattering) and zeta potential -38.75 mV. Cells were exposed to 0 (control), 25, 50, 100 or 200 μg/mL USPION. Concentration- and time-dependent cytotoxicity were observed after 3-6 hours through 24 hours of exposure using Alamar Blue and Real-Time Cell Electronic Sensing assays. Cell uptake was evaluated by imaging using live-dead confocal microscopy, actin and nuclear fluorescent staining, and TEM. Phase-contrast, confocal microscopy, and TEM imaging showed significant USPION internalization as early as 3 hours after exposure to 25 μg/mL. TEM imaging demonstrated particle internalization in secondary lysosomes with perinuclear localization. Three orthogonal assays were conducted to assess apoptosis. TUNEL staining demonstrated a marked increase in fragmented DNA, a response pathognomonic of apoptosis, after a 4-hour exposure. Cells subjected to agarose gel electrophoresis exhibited degraded DNA 3 hours after exposure. Caspase-3/7 activity increased after a 3-hour exposure. USPION uptake resulted in cytotoxicity involving apoptosis and these results contribute to further mechanistic understanding of the USPION toxicity in vitro in cardiovascular endothelial cells.
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Affiliation(s)
- Teresa Palacios-Hernandez
- Division of Biology, Chemistry and Materials Science, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland
| | - Daysi M Diaz-Diestra
- Division of Biology, Chemistry and Materials Science, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland
| | - Alexander K Nguyen
- Division of Biology, Chemistry and Materials Science, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland
| | - Shelby A Skoog
- Division of Biology, Chemistry and Materials Science, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland
| | - Bhaskara Vijaya Chikkaveeraiah
- Division of Biology, Chemistry and Materials Science, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland
| | - Xing Tang
- Division of Biology, Chemistry and Materials Science, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland
| | - Yong Wu
- Division of Biology, Chemistry and Materials Science, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland
| | - Peter E Petrochenko
- Division of Biology, Chemistry and Materials Science, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland
| | - Eric M Sussman
- Division of Biology, Chemistry and Materials Science, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland
| | - Peter L Goering
- Division of Biology, Chemistry and Materials Science, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland
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36
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Zhang X, Luo S, Wang M, Shi GP. Cysteinyl cathepsins in cardiovascular diseases. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2020; 1868:140360. [PMID: 31926332 DOI: 10.1016/j.bbapap.2020.140360] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 01/02/2020] [Accepted: 01/03/2020] [Indexed: 12/24/2022]
Abstract
Cysteinyl cathepsins are lysosomal/endosomal proteases that mediate bulk protein degradation in these intracellular acidic compartments. Yet, studies indicate that these proteases also appear in the nucleus, nuclear membrane, cytosol, plasma membrane, and extracellular space. Patients with cardiovascular diseases (CVD) show increased levels of cathepsins in the heart, aorta, and plasma. Plasma cathepsins often serve as biomarkers or risk factors of CVD. In aortic diseases, such as atherosclerosis and abdominal aneurysms, cathepsins play pathogenic roles, but many of the same cathepsins are cardioprotective in hypertensive, hypertrophic, and infarcted hearts. During the development of CVD, cathepsins are regulated by inflammatory cytokines, growth factors, hypertensive stimuli, oxidative stress, and many others. Cathepsin activities in inflammatory molecule activation, immunity, cell migration, cholesterol metabolism, neovascularization, cell death, cell signaling, and tissue fibrosis all contribute to CVD and are reviewed in this article in memory of Dr. Nobuhiko Katunuma for his contribution to the field.
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Affiliation(s)
- Xian Zhang
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115
| | - Songyuan Luo
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115
| | - Minjie Wang
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115
| | - Guo-Ping Shi
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115.
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37
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Wu T, Zhang Q, Hu H, Yang F, Li K, Zhang Y, Shi C. Enhancing cellular morphological changes and ablation of cancer cells via the interaction of drug co-loaded magnetic nanosystems in weak rotating magnetic fields. RSC Adv 2020; 10:14471-14481. [PMID: 35497149 PMCID: PMC9051889 DOI: 10.1039/d0ra01458c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 03/25/2020] [Indexed: 11/21/2022] Open
Abstract
Tetrandrine and Fe3O4 nanoparticle co-loaded PLGA nanosystems produce rotational movement and promote tetrandrine release, causing a dual apoptotic effect to tumors.
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Affiliation(s)
- Tingting Wu
- Department of Pharmacy
- Union Hospital
- Tongji Medical College
- Huazhong University of Science & Technology (HUST)
- Wuhan
| | - Qian Zhang
- Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education
- Department of Instrument Science and Engineering
- School of Electronic Information and Electrical Engineering
- Institute of Nano Biomedicine and Engineering
- Shanghai Jiao Tong University
| | - Huiping Hu
- Hubei Key Laboratory of Nature Medicinal Chemistry and Resource Evaluation
- Tongji Medical College of Huazhong
- University of Science and Technology
- Wuhan
- China
| | - Fang Yang
- Cixi Institute of Biomedical Engineering
- CAS Key Laboratory of Magnetic Materials and Devices
- Key Laboratory of Additive Manufacturing Materials of Zhejiang Province
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
| | - Ke Li
- Department of Pharmacy
- Union Hospital
- Tongji Medical College
- Huazhong University of Science & Technology (HUST)
- Wuhan
| | - Yu Zhang
- Department of Pharmacy
- Union Hospital
- Tongji Medical College
- Huazhong University of Science & Technology (HUST)
- Wuhan
| | - Chen Shi
- Department of Pharmacy
- Union Hospital
- Tongji Medical College
- Huazhong University of Science & Technology (HUST)
- Wuhan
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38
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Caicedo PA, Serrato IM, Sim S, Dimopoulos G, Coatsworth H, Lowenberger C, Ocampo CB. Immune response-related genes associated to blocking midgut dengue virus infection in Aedes aegypti strains that differ in susceptibility. INSECT SCIENCE 2019; 26:635-648. [PMID: 29389079 DOI: 10.1111/1744-7917.12573] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 12/19/2017] [Accepted: 01/15/2018] [Indexed: 06/07/2023]
Abstract
Aedes (Stegomyia) aegypti, the principal global vector of dengue viruses, has differences in its susceptibility to dengue virus infection. We compared the global expression of genes in the midguts of Colombian Ae. aegypti dengue-susceptible (Cali-S) and dengue-refractory (Cali-MIB) field derived strains after ingesting either a sugarmeal, a bloodmeal, or a bloodmeal containing dengue virus serotype 2 (DENV-2). Microarray-based transcriptome analysis among treatments indicated a total of 4725 transcripts with differential expression between the two strains. Eleven genes were selected from different functional groups based on their significant up or down expression levels as well as reports in the literature suggesting they are associated with dengue virus elimination. We measured mRNA abundance of these 11 genes at 0, 8, 24, and 36 h postinfection using quantitative real time PCR (qPCR) to confirm the microarray results and assess any temporal patterns. Four genes were selected (Gram-negative binding protein-GNBP [AAEL009176], Niemann Pick Type-C2-NPC2 [AAEL015136], Keratinocyte lectin [AAEL009842], and Cathepsin-b [AAEL007585]) for knockdown experiments using RNA interference (RNAi) methodology to determine the phenotype (DENV-2 susceptible or refractory). Silencing GNBP, Cathepsin-b and Keratinocyte lectin reduced the percentage of mosquitoes with disseminated virus in the Cali-S strain to 8%, 20%, and 12% respectively compared with 96% in the controls. Silencing of NPC2 increased the percentage of mosquitos with disseminated virus infections in Cali-MIB to 66% compared with 35% in the controls. This study provides insight into genes that may contribute to the Cali-S susceptible and Cali-MIB refractory phenotypes in Ae. aegypti.
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Affiliation(s)
- Paola A Caicedo
- Centro Internacional de Entrenamiento e Investigaciones Médicas (CIDEIM), Cali, Colombia
| | - Idalba Mildred Serrato
- Centro Internacional de Entrenamiento e Investigaciones Médicas (CIDEIM), Cali, Colombia
| | - Shuzhen Sim
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA
| | - George Dimopoulos
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA
| | - Heather Coatsworth
- Department of Biological Sciences, Simon Fraser University, Burnaby, Canada
| | - Carl Lowenberger
- Department of Biological Sciences, Simon Fraser University, Burnaby, Canada
| | - Clara B Ocampo
- Centro Internacional de Entrenamiento e Investigaciones Médicas (CIDEIM), Cali, Colombia
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39
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Rudzińska M, Parodi A, Soond SM, Vinarov AZ, Korolev DO, Morozov AO, Daglioglu C, Tutar Y, Zamyatnin AA. The Role of Cysteine Cathepsins in Cancer Progression and Drug Resistance. Int J Mol Sci 2019; 20:E3602. [PMID: 31340550 PMCID: PMC6678516 DOI: 10.3390/ijms20143602] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/17/2019] [Accepted: 07/19/2019] [Indexed: 12/21/2022] Open
Abstract
Cysteine cathepsins are lysosomal enzymes belonging to the papain family. Their expression is misregulated in a wide variety of tumors, and ample data prove their involvement in cancer progression, angiogenesis, metastasis, and in the occurrence of drug resistance. However, while their overexpression is usually associated with highly aggressive tumor phenotypes, their mechanistic role in cancer progression is still to be determined to develop new therapeutic strategies. In this review, we highlight the literature related to the role of the cysteine cathepsins in cancer biology, with particular emphasis on their input into tumor biology.
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Affiliation(s)
- Magdalena Rudzińska
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Alessandro Parodi
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Surinder M Soond
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Andrey Z Vinarov
- Institute for Urology and Reproductive Health, Sechenov University, 119992 Moscow, Russia
| | - Dmitry O Korolev
- Institute for Urology and Reproductive Health, Sechenov University, 119992 Moscow, Russia
| | - Andrey O Morozov
- Institute for Urology and Reproductive Health, Sechenov University, 119992 Moscow, Russia
| | - Cenk Daglioglu
- Izmir Institute of Technology, Faculty of Science, Department of Molecular Biology and Genetics, 35430 Urla/Izmir, Turkey
| | - Yusuf Tutar
- Faculty of Pharmacy, University of Health Sciences, 34668 Istanbul, Turkey
| | - Andrey A Zamyatnin
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, 119991 Moscow, Russia.
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia.
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40
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HIV Infection Induces Extracellular Cathepsin B Uptake and Damage to Neurons. Sci Rep 2019; 9:8006. [PMID: 31142756 PMCID: PMC6541605 DOI: 10.1038/s41598-019-44463-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 04/23/2019] [Indexed: 01/22/2023] Open
Abstract
HIV-associated neurocognitive disorders prevail in 20-50 percent of infected individuals. Macrophages transmigrate through the blood brain barrier during HIV-1 infection, triggering neuronal dysfunction. HIV-infected macrophages secrete cathepsin B (CATB), and serum amyloid p component (SAPC), inducing neuronal apoptosis by an unknown mechanism. We hypothesized that HIV infection facilitates CATB/SAPC secretion from macrophages followed by neuronal internalization, promoting dysfunction. SK-N-SH neuronal cells were exposed to active recombinant histidine-tagged cathepsin B (His-CATB). His-CATB entry was tracked by intracellular flow cytometry, and neuronal dysfunction was verified by western blot. Macrophage-derived extracellular vesicles (EVs) were tested for the presence of CATB and SAPC. Neurons internalized His-CATB, an effect that was partially decreased by pre-treatment with anti-CATB antibody. Pre-treatment with CATB and SAPC antibodies decreased cleavage of caspase-3 and restored synaptophysin in neurons. Neurons exposed to macrophage-conditioned media differentially internalized His-CATB, dependent on the HIV replication levels. Finally, CATB and SAPC were secreted in EVs. We report for the first time that CATB is secreted from macrophages both free and in EVs, and is internalized by neurons. Moreover, HIV-replication levels modulate the amount of CATB neuronal uptake, and neuronal dysfunction can be decreased with CATB antibodies. In conclusion, the CATB/SAPC complex represents a novel target against HIV-associated neurocognitive disorders.
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Abstract
Cathepsins (CTS) are mainly lysosomal acid hydrolases extensively involved in the prognosis of different diseases, and having a distinct role in tumor progression by regulating cell proliferation, autophagy, angiogenesis, invasion, and metastasis. As all these processes conjunctively lead to cancer progression, their site-specific regulation might be beneficial for cancer treatment. CTS regulate activation of the proteolytic cascade and protein turnover, while extracellular CTS is involved in promoting extracellular matrix degradation and angiogenesis, thereby stimulating invasion and metastasis. Despite cancer regulation, the involvement of CTS in cellular adaptation toward chemotherapy and radiotherapy augments their therapeutic potential. However, lysosomal permeabilization mediated cytosolic translocation of CTS induces programmed cell death. This complex behavior of CTS generates the need to discuss the different aspects of CTS associated with cancer regulation. In this review, we mainly focused on the significance of each cathepsin in cancer signaling and their targeting which would provide noteworthy information in the context of cancer biology and therapeutics.
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Affiliation(s)
- Tejinder Pal Khaket
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
| | - Taeg Kyu Kwon
- Department of Immunology, School of Medicine, Keimyung University, Dalseo-Gu, Daegu 704-701, Republic of Korea.
| | - Sun Chul Kang
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea.
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Ni J, Wu Z, Stoka V, Meng J, Hayashi Y, Peters C, Qing H, Turk V, Nakanishi H. Increased expression and altered subcellular distribution of cathepsin B in microglia induce cognitive impairment through oxidative stress and inflammatory response in mice. Aging Cell 2019; 18:e12856. [PMID: 30575263 PMCID: PMC6351837 DOI: 10.1111/acel.12856] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 07/02/2018] [Accepted: 09/02/2018] [Indexed: 11/30/2022] Open
Abstract
During normal aging, innate immunity progresses to a chronic state. However, how oxidative stress and chronic neuroinflammation arise during aging remains unclear. In this study, we found that genetic ablation of cathepsin B (CatB) in mice significantly reduced the generation of reactive oxygen species (ROS) and neuroinflammation and improved cognitive impairment during aging. In cultured microglia, pharmacological inhibition of CatB significantly reduced the generation of mitochondria‐derived ROS and proinflammatory mediators induced by L‐leucyl‐L‐leucine methyl ester (LLOMe), a lysosome‐destabilizing agent. In the CatB‐overexpressing microglia after treatment with LLOMe, which mimicked the aged microglia, CatB leaked in the cytosol is responsible for the degradation of the mitochondrial transcription factor A (TFAM), resulting in the increased generation of mitochondria‐derived ROS and proinflammatory mediators through impaired mtDNA biosynthesis. Furthermore, intralateral ventricle injection of LLOMe‐treated CatB‐overexpressing microglia induced cognitive impairment in middle‐aged mice. These results suggest that the increase and leakage of CatB in microglia during aging are responsible for the increased generation of mitochondria‐derived ROS and proinflammatory mediators, culminating in memory impairment.
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Affiliation(s)
- Junjun Ni
- Department of Aging Science and Pharmacology, Faculty of Dental Science; Kyushu University; Fukuoka Japan
| | - Zhou Wu
- Department of Aging Science and Pharmacology, Faculty of Dental Science; Kyushu University; Fukuoka Japan
| | - Veronika Stoka
- Department of Biochemistry and Molecular and Structural Biology; J. Stefan Institute; Ljubljana Slovenia
| | - Jie Meng
- Department of Aging Science and Pharmacology, Faculty of Dental Science; Kyushu University; Fukuoka Japan
| | - Yoshinori Hayashi
- Department of Aging Science and Pharmacology, Faculty of Dental Science; Kyushu University; Fukuoka Japan
| | - Christoph Peters
- Institute für Molekulare Medizin und Zellforshung; Albert-Ludwigs-Universität Freiburg; Freiburg Germany
| | - Hong Qing
- Beijing Key Laboratory of Separation and Analysis in Biomedical and Pharmaceuticals, Department of Biomedical Engineering, School of Life Science; Beijing Institute of Technology; Beijing China
| | - Vito Turk
- Department of Biochemistry and Molecular and Structural Biology; J. Stefan Institute; Ljubljana Slovenia
| | - Hiroshi Nakanishi
- Department of Aging Science and Pharmacology, Faculty of Dental Science; Kyushu University; Fukuoka Japan
- Department of Pharmacology, Faculty of Pharmacy; Yasuda Women’s University; Hiroshima Japan
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43
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Božič J, Bidovec K, Vizovišek M, Dolenc I, Stoka V. Menadione-induced apoptosis in U937 cells involves Bid cleavage and stefin B degradation. J Cell Biochem 2019; 120:10662-10669. [PMID: 30652348 DOI: 10.1002/jcb.28356] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 11/29/2018] [Indexed: 02/06/2023]
Abstract
Earlier studies showed that the oxidant menadione (MD) induces apoptosis in certain cells and also has anticancer effects. Most of these studies emphasized the role of the mitochondria in this process. However, the engagement of other organelles is less known. Particularly, the role of lysosomes and their proteolytic system, which participates in apoptotic cell death, is still unclear. The aim of this study was to investigate the role of lysosomal cathepsins on molecular signaling in MD-induced apoptosis in U937 cells. MD treatment induced translocation of cysteine cathepsins B, C, and S, and aspartic cathepsin D. Once in the cytosol, some cathepsins cleaved the proapoptotic molecule, Bid, in a process that was completely prevented by E64d, a general inhibitor of cysteine cathepsins, and partially prevented by the pancaspase inhibitor, z-VAD-fmk. Upon loss of the mitochondrial membrane potential, apoptosome activation led to caspase-9 processing, activation of caspase-3-like caspases, and poly (ADP-ribose) polymerase cleavage. Notably, the endogenous protein inhibitor, stefin B, was degraded by cathepsin D and caspases. This process was prevented by z-VAD-fmk, and partially by pepstatin A-penetratin. These findings suggest that the cleaved Bid protein acts as an amplifier of apoptotic signaling through mitochondria, thus enhancing the activity of cysteine cathepsins following stefin B degradation.
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Affiliation(s)
- Janja Božič
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia.,Jožef Stefan International Postgraduate School, Ljubljana, Slovenia
| | - Katja Bidovec
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia.,Jožef Stefan International Postgraduate School, Ljubljana, Slovenia
| | - Matej Vizovišek
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Iztok Dolenc
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Veronika Stoka
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana, Slovenia.,Jožef Stefan International Postgraduate School, Ljubljana, Slovenia
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Cathepsin K-deficiency impairs mouse cardiac function after myocardial infarction. J Mol Cell Cardiol 2018; 127:44-56. [PMID: 30465799 DOI: 10.1016/j.yjmcc.2018.11.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 11/08/2018] [Accepted: 11/16/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Extracellular matrix metabolism and cardiac cell death participate centrally in myocardial infarction (MI). This study tested the roles of collagenolytic cathepsin K (CatK) in post-MI left ventricular remodeling. METHODS AND RESULTS Patients with acute MI had higher plasma CatK levels (20.49 ± 7.07 pmol/L, n = 26) than those in subjects with stable angina pectoris (8.34 ± 1.66 pmol/L, n = 28, P = .01) or those without coronary heart disease (6.63 ± 0.84 pmol/L, n = 93, P = .01). CatK protein expression increases in mouse hearts at 7 and 28 days post-MI. Immunofluorescent staining localized CatK expression in cardiomyocytes, endothelial cells, fibroblasts, macrophages, and CD4+ T cells in infarcted mouse hearts at 7 days post-MI. To probe the direct participation of CatK in MI, we produced experimental MI in CatK-deficient mice (Ctsk-/-) and their wild-type (Ctsk+/+) littermates. CatK-deficiency yielded worsened cardiac function at 7 and 28 days post-MI, compared to Ctsk+/+ littermates (fractional shortening percentage: 5.01 ± 0.68 vs. 8.62 ± 1.04, P < .01, 7 days post-MI; 4.32 ± 0.52 vs. 7.60 ± 0.82, P < .01, 28 days post-MI). At 7 days post-MI, hearts from Ctsk-/- mice contained less CatK-specific type-I collagen fragments (10.37 ± 1.91 vs. 4.60 ± 0.49 ng/mg tissue extract, P = .003) and more fibrosis (1.67 ± 0.93 vs. 0.69 ± 0.20 type-III collagen positive area percentage, P = .01; 14.25 ± 4.12 vs. 6.59 ± 0.79 α-smooth muscle actin-positive area percentage, P = .016; and 0.82 ± 0.06 vs. 0.31 ± 0.08 CD90-positive area percentage, P = .008) than those of Ctsk+/+ mice. Immunostaining demonstrated that CatK-deficiency yielded elevated cardiac cell death but reduced cardiac cell proliferation. In vitro studies supported a role of CatK in cardiomyocyte survival. CONCLUSION Plasma CatK levels are increased in MI patients. Heart CatK expression is also elevated post-MI, but CatK-deficiency impairs post-MI cardiac function in mice by increasing myocardial fibrosis and cardiomyocyte death.
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Light-induced generation and toxicity of docosahexaenoate-derived oxidation products in retinal pigmented epithelial cells. Exp Eye Res 2018; 181:325-345. [PMID: 30296412 DOI: 10.1016/j.exer.2018.09.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 09/21/2018] [Accepted: 09/23/2018] [Indexed: 12/11/2022]
Abstract
Oxidative cleavage of docosahexaenoate (DHA) in retinal pigmented epithelial (RPE) cells produces 4-hydroxy-7-oxohept-5-enoic acid (HOHA) esters of 2-lysophosphatidylcholine (PC). HOHA-PC spontaneously releases a membrane-permeant HOHA lactone that modifies primary amino groups of proteins and ethanolamine phospholipids to produce 2-(ω-carboxyethyl)pyrrole (CEP) derivatives. CEPs have significant pathological relevance to age-related macular degeneration (AMD) including activation of CEP-specific T-cells leading to inflammatory M1 polarization of macrophages in the retina involved in "dry AMD" and TLR2-dependent induction of angiogenesis that characterizes "wet AMD". RPE cells accumulate DHA from shed rod photoreceptor outer segments through phagocytosis and from plasma lipoproteins secreted by the liver through active uptake from the choriocapillaris. As a cell model of light-induced oxidative damage of DHA phospholipids in RPE cells, ARPE-19 cells were supplemented with DHA, with or without the lipofuscin fluorophore A2E. In this model, light exposure, in the absence of A2E, promoted the generation HOHA lactone-glutathione (GSH) adducts, depletion of intracellular GSH and a competing generation of CEPs. While DHA-rich RPE cells exhibit an inherent proclivity toward light-induced oxidative damage, photosensitization by A2E nearly doubled the amount of lipid oxidation and expanded the spectral range of photosensitivity to longer wavelengths. Exposure of ARPE-19 cells to 1 μM HOHA lactone for 24 h induced massive (50%) loss of lysosomal membrane integrity and caused loss of mitochondrial membrane potential. Using senescence-associated β-galactosidase (SA β-gal) staining that detects lysosomal β-galactosidase, we determined that exposure to HOHA lactone induces senescence in ARPE-19 cells. The present study shows that products of light-induced oxidative damage of DHA phospholipids in the absence of A2E can lead to RPE cell dysfunction. Therefore, their toxicity may be especially important in the early stages of AMD before RPE cells accumulate lipofuscin fluorophores.
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Chiarante N, García Vior MC, Rey O, Marino J, Roguin LP. Lysosomal permeabilization and endoplasmic reticulum stress mediate the apoptotic response induced after photoactivation of a lipophilic zinc(II) phthalocyanine. Int J Biochem Cell Biol 2018; 103:89-98. [PMID: 30130653 DOI: 10.1016/j.biocel.2018.08.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 08/06/2018] [Accepted: 08/15/2018] [Indexed: 12/19/2022]
Abstract
We have previously reported that the phototoxic action of the lipophilic phthalocyanine Pc9 (2,9(10),16(17),23(24) tetrakis[(2-dimethylamino)ethylsulfanyl]phthalocyaninatozinc(II)) encapsulated into poloxamine micelles is related to the induction of an apoptotic response in murine colon CT26 carcinoma cells. In the present study, we explored the intracellular signals contributing to the resulting apoptotic death. We found that Pc9-T1107 arrests cell cycle progression immediately after irradiation promoting then an apoptotic response. Thus, 3 h after irradiation the percentage of hypodiploid cells increased from 5.9 ± 0.6% to 23.1 ± 0.1%; activation of caspases 8 and 9 was evident; the population of cells with loss of mitochondrial membrane potential increased from 1.1 ± 0.4% to 44.0 ± 9.3%; the full-length forms of Bid and PARP-1 were cleaved; and a 50% decrease of the expression levels of the anti-apoptotic proteins Bcl-2 and Bcl-XL was detected. We also found that the photosensitizer, mainly retained in lysosomes and endoplasmic reticulum (ER), promotes the permeabilization of lysosomal membranes and induces ER stress. Lysosomal membrane permeabilization was demonstrated by the reduction of acridine orange lysosome fluorescence, the release of Cathepsin D into the cytosol and ∼50% decrease of Hsp70, a chaperone recognized as a lysosomal stabilizer. Cathepsin D also contributed to Bid cleavage and caspase 8 activation. The oxidative damage to the ER induced an unfolded protein response characterized, 3 h after irradiation, by a 3-fold increase in cytosolic Ca2+ levels and 3-4 times higher expression of ER chaperones GRP78/BIP, calnexin, Hsp90 and Hsp110. The cell death signaling promoted by cytosolic Ca2+, calpains and lysosomal proteases was partially abolished by the Ca2+ chelator BAPTA-AM, the calpain inhibitor PD 150606 and proteases inhibitors. Furthermore, Bax down-regulation observed in Pc9-treated cells was undetectable in the presence of PD 150606, indicating that calpains contribute to Bax proteolytic damage. In summary, our results indicate that photoactivation of Pc9-T1107 led to lysosomal membrane permeabilization, induction of ER stress and activation of a caspase-dependent apoptotic cell death.
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Affiliation(s)
- Nicolás Chiarante
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Facultad de Farmacia y Bioquímica, Junín 956, C1113AAD Buenos Aires, Argentina
| | - María C García Vior
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Facultad de Farmacia y Bioquímica, Junín 956, C1113AAD Buenos Aires, Argentina
| | - Osvaldo Rey
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Inmunología, Genética y Metabolismo (INIGEM), Facultad de Farmacia y Bioquímica, Córdoba 2351, C1120AAD Buenos Aires, Argentina
| | - Julieta Marino
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Facultad de Farmacia y Bioquímica, Junín 956, C1113AAD Buenos Aires, Argentina
| | - Leonor P Roguin
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Facultad de Farmacia y Bioquímica, Junín 956, C1113AAD Buenos Aires, Argentina.
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47
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Tichý A. Apoptotic Machinery: The Bcl-2 Family Proteins in the Role of Inspectors and Superintendents. ACTA MEDICA (HRADEC KRÁLOVÉ) 2018. [DOI: 10.14712/18059694.2017.103] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Programmed cell death, apoptosis, plays an integral role in a variety of biological events, e.g. morphogenesis, removal of unwanted or harmful cells, tissue homeostasis etc. Members of the Bcl-2 family have been described as the key players in the regulation of the apoptotic process. This family consists of proteins that prevent apoptosis (Bcl-2–like) and two structurally distinct subgroups (Bax-like and BH3–only) that on the contrary promote cell death. Majority of their response is concentrated to the mitochondrial level. In this paper, besides reviewing some new information in this field we focused on how they interact among each other and on the way they sense and influence the death signals from the environment. Here, we compare Bcl-2 family to inspectors and superintendents since they supervise the manufacturing process of cell death and they determine whether the cell will die or it will resist and survive.
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48
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Božič J, Stoka V, Dolenc I. Glucosamine prevents polarization of cytotoxic granules in NK-92 cells by disturbing FOXO1/ERK/paxillin phosphorylation. PLoS One 2018; 13:e0200757. [PMID: 30016365 PMCID: PMC6049946 DOI: 10.1371/journal.pone.0200757] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 07/02/2018] [Indexed: 12/14/2022] Open
Abstract
Glucosamine (GlcN) is a naturally occurring derivative of glucose and an over-the-counter food additive. However, the mechanism underlying GlcN action on cells is unknown. In this study, we investigated the effect of GlcN on natural killer (NK) cells. We demonstrate that GlcN affects NK-92 cell cytotoxicity by altering the distribution of cathepsin C, a cysteine protease required for granzyme processing in cytotoxic granules. The relocation of cathepsin C due to GlcN was shown to be accompanied by a decrease in the intracellular enzyme activity and its extracellular secretion. Similarly, the relocation of endosomal aspartic cathepsin E was observed. Furthermore, we elucidated that repositioning of cathepsin C is a consequence of altered signaling pathways of cytotoxic granule movement. The inhibition of phosphorylation upstream and downstream of ERK by GlcN disturbed the polarized release of cytotoxic vesicles. Considerable changes in the ERK phosphorylation dynamics, but not in those of p38 kinase or JNK, were observed in the IL2-activated NK-92 cells. We found decreased phosphorylation of the transcription factor FOXO1 and simultaneous prolonged phosphorylation of ERK as well as its nuclear translocation. Additionally, a protein downstream of the ERK phosphorylation cascade, paxillin, was less phosphorylated, resulting in a diffuse distribution of cytotoxic granules. Taken together, our results suggest that dietary GlcN affects signaling pathway activation of NK-92 immune cells.
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Affiliation(s)
- Janja Božič
- Department of Biochemistry and Molecular and Structural Biology, Jozef Stefan Institute, Ljubljana, Slovenia
- International Postgraduate School Jozef Stefan, Ljubljana, Slovenia
| | - Veronika Stoka
- Department of Biochemistry and Molecular and Structural Biology, Jozef Stefan Institute, Ljubljana, Slovenia
- International Postgraduate School Jozef Stefan, Ljubljana, Slovenia
- * E-mail: (ID); (VS)
| | - Iztok Dolenc
- Department of Biochemistry and Molecular and Structural Biology, Jozef Stefan Institute, Ljubljana, Slovenia
- * E-mail: (ID); (VS)
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Affiliation(s)
- Ho Yeon Kim
- Department of Obstetrics and Gynecology, Korea University Medical School, Ansan, Republic of Korea
| | - Hye Sung Baek
- Department of Pediatrics, College of Medicine, Hallym University, Seoul, Republic of Korea
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Feng L, Vujicic S, Dietrich ME, Litbarg N, Setty S, Antoni A, Rauch J, Levine JS. Repeated exposure of epithelial cells to apoptotic cells induces the specific selection of an adaptive phenotype: Implications for tumorigenesis. J Biol Chem 2018; 293:10245-10263. [PMID: 29769319 DOI: 10.1074/jbc.ra117.001290] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 05/08/2018] [Indexed: 11/06/2022] Open
Abstract
The consequences of apoptosis extend beyond the mere death of the cell. We have shown that receptor-mediated recognition of apoptotic target cells by viable kidney proximal tubular epithelial cells (PTECs) inhibits PTEC proliferation, growth, and survival. Here, we tested the hypothesis that continual exposure to apoptotic targets can induce a phenotypic change in responding PTECs, as in other instances of natural selection. In particular, we demonstrate that repeated exposure to apoptotic targets leads to emergence of a PTEC line (denoted BU.MPTSEL) resistant to apoptotic target-induced death. Resistance is exquisitely specific. Not only are BU.MPTSEL responders fully resistant to apoptotic target-induced death (∼85% survival versus <10% survival of nonselected cells) but do so while retaining sensitivity to all other target-induced responses, including inhibition of proliferation and growth. Moreover, the resistance of BU.MPTSEL responders is specific to target-induced apoptosis, as apoptosis in response to other suicidal stimuli occurs normally. Comparison of the signaling events induced by apoptotic target exposure in selected versus nonselected responders indicated that the acquired resistance of BU.MPTSEL cells lies in a regulatory step affecting the generation of the pro-apoptotic protein, truncated BH3 interacting-domain death agonist (tBID), most likely at the level of BID cleavage by caspase-8. This specific adaptation has especial relevance for cancer, in which the prominence and persistence of cell death entail magnification of the post-mortem effects of apoptotic cells. Just as cancer cells acquire specific resistance to chemotherapeutic agents, we propose that cancer cells may also adapt to their ongoing exposure to apoptotic targets.
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Affiliation(s)
- Lanfei Feng
- From the Section of Nephrology, Department of Medicine, and.,the Section of Nephrology, Department of Medicine, Jesse Brown Veterans Affairs Hospital, Chicago, Illinois 60612
| | - Snezana Vujicic
- From the Section of Nephrology, Department of Medicine, and.,the Section of Nephrology, Department of Medicine, Jesse Brown Veterans Affairs Hospital, Chicago, Illinois 60612
| | | | - Natalia Litbarg
- From the Section of Nephrology, Department of Medicine, and.,the Section of Nephrology, Department of Medicine, Jesse Brown Veterans Affairs Hospital, Chicago, Illinois 60612
| | - Suman Setty
- Department of Pathology, University of Illinois, Chicago, Illinois 60612
| | - Angelika Antoni
- the Department of Biology, Kutztown University of Pennsylvania, Kutztown, Pennsylvania 19530, and
| | - Joyce Rauch
- the Division of Rheumatology, Department of Medicine, Research Institute of the McGill University Health Centre, Montreal, Quebec H4A 3J1, Canada
| | - Jerrold S Levine
- From the Section of Nephrology, Department of Medicine, and .,the Section of Nephrology, Department of Medicine, Jesse Brown Veterans Affairs Hospital, Chicago, Illinois 60612
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