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Omidvar S, Vahedian V, Sourani Z, Yari D, Asadi M, Jafari N, Khodavirdilou L, Bagherieh M, Shirzad M, Hosseini V. The molecular crosstalk between innate immunity and DNA damage repair/response: Interactions and effects in cancers. Pathol Res Pract 2024; 260:155405. [PMID: 38981346 DOI: 10.1016/j.prp.2024.155405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 06/08/2024] [Accepted: 06/12/2024] [Indexed: 07/11/2024]
Abstract
DNA damage can lead to erroneous alterations and mutations which in turn can result into wide range of disease condition including aging, severe inflammation, and, most importantly, cancer. Due to the constant exposure to high-risk factors such as exogenous and endogenous DNA-damaging agents, cells may experience DNA damage impairing stability and integrity of the genome. These perturbations in DNA structure can arise from several mutations in the genome. Therefore, DNA Damage Repair/Response (DDR) detects and then corrects these potentially tumorigenic problems by inducing processes such as DNA repair, cell cycle arrest, apoptosis, etc. Additionally, DDR can activate signaling pathways related to immune system as a protective mechanism against genome damage. These protective machineries are ignited and spread through a network of molecules including DNA damage sensors, transducers, kinases and downstream effectors. In this review, we are going to discuss the molecular crosstalk between innate immune system and DDR, as well as their potential effects on cancer pathophysiology.
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Affiliation(s)
- Sahar Omidvar
- Cancer Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Vahid Vahedian
- Department of Hematology, Transfusion Medicine and Cellular Therapy, Division of Hematology/Oncology, Clinical Hospital, Faculty of Medicine, University of Sao Paulo (FMUSP-HC), Sao Paulo, Brazil; Department of Clinical Medicine, Division of Medical Investigation Laboratory (LIM-31), Clinical Hospital, Faculty of Medicine, University of Sao Paulo (FMUSP-HC), Sao Paulo, Brazil; Comprehensive Center for Translational and Precision Oncology (CTO), SP State Cancer Institute (ICESP), Sao Paulo, Brazil.
| | - Zahra Sourani
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Davood Yari
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Mehrdad Asadi
- Department of Medical Laboratory Sciences and Microbiology, Faculty of Medical Sciences, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran.
| | - Negin Jafari
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Lida Khodavirdilou
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center (TTUHSC), Amarillo, TX, USA.
| | - Molood Bagherieh
- Ramsar Campus, Mazandaran University of Medical Sciences, Ramsar, Iran.
| | - Moein Shirzad
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Vahid Hosseini
- Department of Medical Laboratory Sciences and Microbiology, Faculty of Medical Sciences, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran; Infectious Diseases Research Center, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran.
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Hu C, Yang Q, Huang X, Wang F, Zhou H, Su X. Three-Dimensional Mechanical Microenvironment Rescued the Decline of Osteogenic Differentiation of Old Human Jaw Bone Marrow Mesenchymal Stem Cells. ACS Biomater Sci Eng 2024; 10:4496-4509. [PMID: 38860704 DOI: 10.1021/acsbiomaterials.4c00680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Resorption and atrophy of the alveolar bone, as two consequences of osteoporosis that remarkably complicate the orthodontic and prosthodontic treatments, contribute to the differentiated biological features and force-induced response of jaw bone marrow-derived mesenchymal stem cells (JBMSCs) in elderly patients. We isolated and cultured JBMSCs from adolescent and adult patients and then simulated the loading of orthodontic tension stress by constructing an in vitro three-dimensional (3D) stress loading model. The decline in osteogenic differentiation of aged JBMSCs was reversed by tensile stress stimulation. It is interesting to note that tension stimulation had a stronger effect on the osteogenic differentiation of elderly JBMSCs compared to the young ones, indicating a possible mechanism of aging rescue. High-throughput sequencing of microRNA (miRNAs) was subsequently performed before and after tension stimulation in all JBMSCs, followed by the comprehensive comparison of mechanically responsive miRNAs in the 3D strain microenvironment. The results suggested a significant reduction in the expression of miR-210-3p and miR-214-3p triggered by the 3D strain microenvironment in old-JBMSCs. Bioinformatic analysis indicated that both miRNAs participate in the regulation of critical pathways of aging and cellular senescence. Taken together, this study demonstrated that the 3D strain microenvironment efficiently rescued the cellular senescence of old-JBMSCs via modulating specific miRNAs, which provides a novel strategy for coordinating periodontal bone loss and regeneration of the elderly.
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Affiliation(s)
- Cheng Hu
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
- Hospital of Stomatology & Guangdong Provincial Key Laboratory of Stomatology & Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, Department of Orthodontics, College of Stomatology, Xi'an Jiaotong University, Xi'an 710004, China
| | - Qiyuan Yang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xiaojun Huang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Fei Wang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, Department of Orthodontics, College of Stomatology, Xi'an Jiaotong University, Xi'an 710004, China
| | - Hong Zhou
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, Department of Orthodontics, College of Stomatology, Xi'an Jiaotong University, Xi'an 710004, China
| | - Xiaoxia Su
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, Department of Orthodontics, College of Stomatology, Xi'an Jiaotong University, Xi'an 710004, China
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Moeed A, Thilmany N, Beck F, Puthussery BK, Ortmann N, Haimovici A, Badr MT, Haghighi EB, Boerries M, Öllinger R, Rad R, Kirschnek S, Gentle IE, Donakonda S, Petric PP, Hummel JF, Pfaffendorf E, Zanetta P, Schell C, Schwemmle M, Weber A, Häcker G. The Caspase-Activated DNase drives inflammation and contributes to defense against viral infection. Cell Death Differ 2024; 31:924-937. [PMID: 38849575 PMCID: PMC11239672 DOI: 10.1038/s41418-024-01320-7] [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: 09/19/2023] [Revised: 05/23/2024] [Accepted: 05/29/2024] [Indexed: 06/09/2024] Open
Abstract
Mitochondria react to infection with sub-lethal signals in the apoptosis pathway. Mitochondrial signals can be inflammatory but mechanisms are only partially understood. We show that activation of the caspase-activated DNase (CAD) mediates mitochondrial pro-inflammatory functions and substantially contributes to host defense against viral infection. In cells lacking CAD, the pro-inflammatory activity of sub-lethal signals was reduced. Experimental activation of CAD caused transient DNA-damage and a pronounced DNA damage response, involving major kinase signaling pathways, NF-κB and cGAS/STING, driving the production of interferon, cytokines/chemokines and attracting neutrophils. The transcriptional response to CAD-activation was reminiscent of the reaction to microbial infection. CAD-deficient cells had a diminished response to viral infection. Influenza virus infected CAD-deficient mice displayed reduced inflammation in lung tissue, higher viral titers and increased weight loss. Thus, CAD links the mitochondrial apoptosis system and cell death caspases to host defense. CAD-driven DNA damage is a physiological element of the inflammatory response to infection.
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Affiliation(s)
- Abdul Moeed
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Nico Thilmany
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Frederic Beck
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Bhagya K Puthussery
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Noemi Ortmann
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Aladin Haimovici
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - M Tarek Badr
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Elham Bavafaye Haghighi
- Institute of Medical Bioinformatics and Systems Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Melanie Boerries
- Institute of Medical Bioinformatics and Systems Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), partner site Freiburg, Freiburg, Germany
| | - Rupert Öllinger
- Institute of Molecular Oncology and Functional Genomics, Department of Medicine II and TranslaTUM Cancer Center; TUM School of Medicine, Technical University of Munich, Munich, Germany
| | - Roland Rad
- Institute of Molecular Oncology and Functional Genomics, Department of Medicine II and TranslaTUM Cancer Center; TUM School of Medicine, Technical University of Munich, Munich, Germany
| | - Susanne Kirschnek
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Ian E Gentle
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Sainitin Donakonda
- Institute of Molecular Immunology and Experimental Oncology, TUM School of Medicine, Technical University of Munich, Munich, Germany
| | - Philipp P Petric
- Institute of Virology, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Jonas F Hummel
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Elisabeth Pfaffendorf
- Institute of Surgical Pathology, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Paola Zanetta
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Christoph Schell
- Institute of Surgical Pathology, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Martin Schwemmle
- Institute of Virology, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Arnim Weber
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Georg Häcker
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany.
- BIOSS Centre for Biological Signalling Studies, University of Freiburg, Freiburg, Germany.
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Venkatesh J, Muthu M, Singaravelu I, Cheriyan VT, Sekhar SC, Acharige NCPN, Levi E, Assad H, Pflum MKH, Rishi AK. Phosphorylation of cell cycle and apoptosis regulatory protein-1 by stress activated protein kinase P38γ is a novel mechanism of apoptosis signaling by genotoxic chemotherapy. Front Oncol 2024; 14:1376666. [PMID: 38756656 PMCID: PMC11096501 DOI: 10.3389/fonc.2024.1376666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 04/08/2024] [Indexed: 05/18/2024] Open
Abstract
CARP-1, a perinuclear phospho-protein, regulates cell survival and apoptosis signaling induced by genotoxic drugs. However, kinase(s) phosphorylating CARP-1 and down-stream signal transduction events remain unclear. Here we find that CARP-1 Serine (S)626 and Threonine (T)627 substitution to Alanines (AA) inhibits genotoxic drug-induced apoptosis. CARP-1 T627 is followed by a Proline (P), and this TP motif is conserved in vertebrates. Based on these findings, we generated affinity-purified, anti-phospho-CARP-1 T627 rabbit polyclonal antibodies, and utilized them to elucidate chemotherapy-activated, CARP-1-dependent cell growth signaling mechanisms. Our kinase profiling studies revealed that MAPKs/SAPKs phosphorylated CARP-1 T627. We then UV cross-linked protein extracts from Adriamycin-treated HeLa cervical cancer cells with a CARP-1 (614-638) peptide, and conducted liquid chromatography-tandem mass spectrometry (LC-MS/MS) analyses of the peptide-bound protein complexes. This experiment revealed SAPK p38γ interaction with CARP-1 (614-638) peptide. Our studies further established that SAPK p38γ, but not other MAPKs, phosphorylates CARP-1 T627 in cancer cells treated with genotoxic drugs. Loss of p38γ abrogates CARP-1 T627 phosphorylation, and results in enhanced survival of breast cancer cells by genotoxic drugs. CARP-1 T627 phosphorylation was also noted in breast tumors from patients treated with radiation or endocrine therapies. We conclude that genotoxic drugs activate p38γ-dependent CARP-1 T627 phosphorylation to inhibit cell growth.
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Affiliation(s)
- Jaganathan Venkatesh
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | - Magesh Muthu
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | - Indulekha Singaravelu
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | - Vino T. Cheriyan
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | - Sreeja C. Sekhar
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | | | - Edi Levi
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Department of Pathology, Wayne State University, Detroit, MI, United States
| | - Hadeel Assad
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
| | - Mary Kay H. Pflum
- Department of Chemistry, Wayne State University, Detroit, MI, United States
| | - Arun K. Rishi
- John D. Dingell V.A. Medical Center, Wayne State University, Detroit, MI, United States
- Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
- Department of Oncology, Wayne State University, Detroit, MI, United States
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5
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Li Z, Barnaby R, Nymon A, Roche C, Koeppen K, Ashare A, Hogan DA, Gerber SA, Taatjes DJ, Hampton TH, Stanton BA. P. aeruginosa tRNA-fMet halves secreted in outer membrane vesicles suppress lung inflammation in cystic fibrosis. Am J Physiol Lung Cell Mol Physiol 2024; 326:L574-L588. [PMID: 38440830 PMCID: PMC11380944 DOI: 10.1152/ajplung.00018.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 02/15/2024] [Accepted: 02/17/2024] [Indexed: 03/06/2024] Open
Abstract
Although tobramycin increases lung function in people with cystic fibrosis (pwCF), the density of Pseudomonas aeruginosa (P. aeruginosa) in the lungs is only modestly reduced by tobramycin; hence, the mechanism whereby tobramycin improves lung function is not completely understood. Here, we demonstrate that tobramycin increases 5' tRNA-fMet halves in outer membrane vesicles (OMVs) secreted by laboratory and CF clinical isolates of P. aeruginosa. The 5' tRNA-fMet halves are transferred from OMVs into primary CF human bronchial epithelial cells (CF-HBEC), decreasing OMV-induced IL-8 and IP-10 secretion. In mouse lungs, increased expression of the 5' tRNA-fMet halves in OMVs attenuated KC (murine homolog of IL-8) secretion and neutrophil recruitment. Furthermore, there was less IL-8 and neutrophils in bronchoalveolar lavage fluid isolated from pwCF during the period of exposure to tobramycin versus the period off tobramycin. In conclusion, we have shown in mice and in vitro studies on CF-HBEC that tobramycin reduces inflammation by increasing 5' tRNA-fMet halves in OMVs that are delivered to CF-HBEC and reduce IL-8 and neutrophilic airway inflammation. This effect is predicted to improve lung function in pwCF receiving tobramycin for P. aeruginosa infection.NEW & NOTEWORTHY The experiments in this report identify a novel mechanism, whereby tobramycin reduces inflammation in two models of CF. Tobramycin increased the secretion of tRNA-fMet halves in OMVs secreted by P. aeruginosa, which reduced the OMV-LPS-induced inflammatory response in primary cultures of CF-HBEC and in mouse lung, an effect predicted to reduce lung damage in pwCF.
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Affiliation(s)
- Zhongyou Li
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States
| | - Roxanna Barnaby
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States
| | - Amanda Nymon
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States
| | - Carolyn Roche
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States
| | - Katja Koeppen
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States
| | - Alix Ashare
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States
- Pulmonary and Critical Care Medicine, Dartmouth Health Medical Center, Lebanon, New Hampshire, United States
| | - Deborah A Hogan
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States
| | - Scott A Gerber
- Dartmouth Health Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire, United States
| | - Douglas J Taatjes
- Department of Pathology and Laboratory Medicine, Center for Biomedical Shared Resources, Larner College of Medicine, University of Vermont, Burlington, Vermont, United States
| | - Thomas H Hampton
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States
| | - Bruce A Stanton
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States
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6
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Li Z, Barnaby R, Nymon A, Roche C, Koeppen K, Ashare A, Hogan DA, Gerber SA, Taatjes DJ, Hampton TH, Stanton BA. P. aeruginosa tRNA-fMet halves secreted in outer membrane vesicles suppress lung inflammation in Cystic Fibrosis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.03.578737. [PMID: 38352468 PMCID: PMC10862835 DOI: 10.1101/2024.02.03.578737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/19/2024]
Abstract
Although tobramycin increases lung function in people with cystic fibrosis (pwCF), the density of Pseudomonas aeruginosa (P. aeruginosa) in the lungs is only modestly reduced by tobramycin; hence, the mechanism whereby tobramycin improves lung function is not completely understood. Here, we demonstrate that tobramycin increases 5' tRNA-fMet halves in outer membrane vesicles (OMVs) secreted by laboratory and CF clinical isolates of P. aeruginosa . The 5' tRNA-fMet halves are transferred from OMVs into primary CF human bronchial epithelial cells (CF-HBEC), decreasing OMV-induced IL-8 and IP-10 secretion. In mouse lung, increased expression of the 5' tRNA-fMet halves in OMVs attenuated KC secretion and neutrophil recruitment. Furthermore, there was less IL-8 and neutrophils in bronchoalveolar lavage fluid isolated from pwCF during the period of exposure to tobramycin versus the period off tobramycin. In conclusion, we have shown in mice and in vitro studies on CF-HBEC that tobramycin reduces inflammation by increasing 5' tRNA-fMet halves in OMVs that are delivered to CF-HBEC and reduce IL-8 and neutrophilic airway inflammation. This effect is predicted to improve lung function in pwCF receiving tobramycin for P. aeruginosa infection. New and noteworthy The experiments in this report identify a novel mechanim whereby tobramycin reduces inflammation in two models of CF. Tobramycin increased the secretion of tRNA-fMet haves in OMVs secreted by P. aeruginiosa , which reduced the OMV-LPS induced inflammatory response in primary cultures of CF-HBEC and in mouse lung, an effect predicted to reduce lung damage in pwCF. Graphical abstract The anti-inflammatory effect of tobramycin mediated by 5' tRNA-fMet halves secreted in P. aeruginosa OMVs. (A) P. aeruginosa colonizes the CF lungs and secrets OMVs. OMVs diffuse through the mucus layer overlying bronchial epithelial cells and induce IL-8 secretion, which recruits neutrophils that causes lung damage. ( B ) Tobramycin increases 5' tRNA-fMet halves in OMVs secreted by P. aeruginosa . 5' tRNA-fMet halves are delivered into host cells after OMVs fuse with lipid rafts in CF-HBEC and down-regulate protein expression of MAPK10, IKBKG, and EP300, which suppresses IL-8 secretion and neutrophils in the lungs. A reduction in neutrophils in CF BALF is predicted to improve lung function and decrease lung damage.
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Yamanishi K, Hata M, Gamachi N, Watanabe Y, Yamanishi C, Okamura H, Matsunaga H. Molecular Mechanisms of IL18 in Disease. Int J Mol Sci 2023; 24:17170. [PMID: 38139000 PMCID: PMC10743479 DOI: 10.3390/ijms242417170] [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: 09/25/2023] [Revised: 11/30/2023] [Accepted: 12/03/2023] [Indexed: 12/24/2023] Open
Abstract
Interleukin 18 (IL18) was originally identified as an inflammation-induced cytokine that is secreted by immune cells. An increasing number of studies have focused on its non-immunological functions, with demonstrated functions for IL18 in energy homeostasis and neural stability. IL18 is reportedly required for lipid metabolism in the liver and brown adipose tissue. Furthermore, IL18 (Il18) deficiency in mice leads to mitochondrial dysfunction in hippocampal cells, resulting in depressive-like symptoms and cognitive impairment. Microarray analyses of Il18-/- mice have revealed a set of genes with differential expression in liver, brown adipose tissue, and brain; however, the impact of IL18 deficiency in these tissues remains uncertain. In this review article, we discuss these genes, with a focus on their relationships with the phenotypic disease traits of Il18-/- mice.
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Affiliation(s)
- Kyosuke Yamanishi
- Department of Neuropsychiatry, Hyogo Medical University, 1-1 Mukogawa, Nishinomiya 663-8501, Hyogo, Japan
- Department of Psychoimmunology, Hyogo Medical University, 1-1 Mukogawa, Nishinomiya 663-8501, Hyogo, Japan
| | - Masaki Hata
- Department of Psychoimmunology, Hyogo Medical University, 1-1 Mukogawa, Nishinomiya 663-8501, Hyogo, Japan
| | - Naomi Gamachi
- Department of Psychoimmunology, Hyogo Medical University, 1-1 Mukogawa, Nishinomiya 663-8501, Hyogo, Japan
| | - Yuko Watanabe
- Hirakata General Hospital for Developmental Disorders, Hirakata 573-0122, Osaka, Japan; (Y.W.); (C.Y.)
| | - Chiaki Yamanishi
- Hirakata General Hospital for Developmental Disorders, Hirakata 573-0122, Osaka, Japan; (Y.W.); (C.Y.)
| | - Haruki Okamura
- Department of Psychoimmunology, Hyogo Medical University, 1-1 Mukogawa, Nishinomiya 663-8501, Hyogo, Japan
| | - Hisato Matsunaga
- Department of Neuropsychiatry, Hyogo Medical University, 1-1 Mukogawa, Nishinomiya 663-8501, Hyogo, Japan
- Department of Psychoimmunology, Hyogo Medical University, 1-1 Mukogawa, Nishinomiya 663-8501, Hyogo, Japan
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8
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Lee CS, Hwang G, Nam YW, Hwang CH, Song J. IKK-mediated TRAF6 and RIPK1 interaction stifles cell death complex assembly leading to the suppression of TNF-α-induced cell death. Cell Death Differ 2023; 30:1575-1584. [PMID: 37085671 PMCID: PMC10244383 DOI: 10.1038/s41418-023-01161-w] [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: 07/27/2022] [Revised: 03/27/2023] [Accepted: 03/29/2023] [Indexed: 04/23/2023] Open
Abstract
Tumor necrosis factor α (TNF-α) is a pro-inflammatory cytokine capable of inducing extrinsic apoptosis and necroptosis. Tumor necrosis factor receptor-associated factor 6 (TRAF6), an E3 ligase, is a member of the TRAF family of proteins, which mediates inflammatory signals by activating nuclear factor kappa B (NFкB) and mitogen-activated protein kinase (MAPK). Although the functions of TRAF6 have been identified, its role in TNF-α-induced cell death remains poorly understood. Here, we report that TRAF6 is a negative modulator of TNF-α-induced cell death but does not affect TNF-α-induced NFκB activation. TRAF6 deficiency accelerates both TNF-α-induced apoptosis and necroptosis; however, the acceleration can be reversed by reconstituting TRAF6 or TRAF6C70A, suggesting that E3 ligase activity is not required for this activity. Mechanistically, TRAF6 directly interacts with RIPK1 during TNF-α-induced cell death signaling, which prevents RIPK1 from interacting with components of the cell death complex such as itself, FADD or RIPK3. These processes suppress the assembly of the death complex. Notably, IKK was required for TRAF6 to interact with RIPK1. In vivo, Traf6-/- embryos exhibited higher levels of cell death in the liver but could be rescued by the simultaneous knockout of Tnf. Finally, TRAF6 knockdown xenografts were highly sensitive to necroptotic stimuli. We concluded that TRAF6 suppresses TNF-α-induced cell death in coordination with IKK complexes in vivo and in vitro by suppressing the assembly of cell death complex.
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Affiliation(s)
- Choong-Sil Lee
- Integrated OMICS for Biomedical Science, Yonsei University, Seoul, 03722, Korea
| | - Gyuho Hwang
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Korea
| | - Young Woo Nam
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Korea
| | - Chi Hyun Hwang
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Korea
| | - Jaewhan Song
- Integrated OMICS for Biomedical Science, Yonsei University, Seoul, 03722, Korea.
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Korea.
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Häcker G, Haimovici A. Sub-lethal signals in the mitochondrial apoptosis apparatus: pernicious by-product or physiological event? Cell Death Differ 2023; 30:250-257. [PMID: 36131076 PMCID: PMC9490730 DOI: 10.1038/s41418-022-01058-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 08/09/2022] [Accepted: 08/18/2022] [Indexed: 11/09/2022] Open
Abstract
One of the tasks of mitochondria is the rule over life and death: when the outer membrane is permeabilized, the release of intermembrane space proteins causes cell death by apoptosis. For a long time, this mitochondrial outer membrane permeabilization (MOMP) has been accepted as the famous step from which no cell returns. Recent results have however shown that this quite plainly does not have to be the case. A cell can also undergo only a little MOMP, and it can efficiently repair damage it has incurred in the process. There is no doubt now that such low-scale permeabilization occurs. A major unclarified issue is the biological relevance. Is small-scale mitochondrial permeabilization an accident, a leakiness of the apoptosis apparatus, perhaps during restructuring of the mitochondrial network? Is it attempted suicide, where cell death by apoptosis is the real goal but the stimulus failed to reach the threshold? Or, more boldly, is there a true biological meaning behind the event of the release of low amounts of mitochondrial components? We will here explore this last possibility, which we believe is on one hand appealing, on the other hand plausible and supported by some evidence. Recent data are consistent with the view that sub-lethal signals in the mitochondrial apoptosis pathway can drive inflammation, the first step of an immune reaction. The apoptosis apparatus is almost notoriously easy to trigger. Sub-lethal signals may be even easier to set off. We suggest that the apoptosis apparatus is used in this way to sound the call when the first human cell is infected by a pathogen.
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Affiliation(s)
- Georg Häcker
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany.
- BIOSS Centre for Biological Signalling Studies, University of Freiburg, Freiburg, Germany.
| | - Aladin Haimovici
- Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
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10
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Alassaf N, Attia H. Autophagy and necroptosis in cisplatin-induced acute kidney injury: Recent advances regarding their role and therapeutic potential. Front Pharmacol 2023; 14:1103062. [PMID: 36794281 PMCID: PMC9922871 DOI: 10.3389/fphar.2023.1103062] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 01/16/2023] [Indexed: 01/31/2023] Open
Abstract
Cisplatin (CP) is a broad-spectrum antineoplastic agent, used to treat many different types of malignancies due to its high efficacy and low cost. However, its use is largely limited by acute kidney injury (AKI), which, if left untreated, may progress to cause irreversible chronic renal dysfunction. Despite substantial research, the exact mechanisms of CP-induced AKI are still so far unclear and effective therapies are lacking and desperately needed. In recent years, necroptosis, a novel subtype of regulated necrosis, and autophagy, a form of homeostatic housekeeping mechanism have witnessed a burgeoning interest owing to their potential to regulate and alleviate CP-induced AKI. In this review, we elucidate in detail the molecular mechanisms and potential roles of both autophagy and necroptosis in CP-induced AKI. We also explore the potential of targeting these pathways to overcome CP-induced AKI according to recent advances.
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Affiliation(s)
- Noha Alassaf
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia,*Correspondence: Noha Alassaf,
| | - Hala Attia
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia,Department of Biochemistry, College of Pharmacy, Mansoura University, Mansoura, Egypt
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11
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Eom JW, Lim JW, Kim H. Lutein Induces Reactive Oxygen Species-Mediated Apoptosis in Gastric Cancer AGS Cells via NADPH Oxidase Activation. Molecules 2023; 28:molecules28031178. [PMID: 36770846 PMCID: PMC9919728 DOI: 10.3390/molecules28031178] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/21/2023] [Accepted: 01/23/2023] [Indexed: 01/27/2023] Open
Abstract
Disruption of apoptosis leads to cancer cell progression; thus, anticancer agents target apoptosis of cancer cells. Reactive oxygen species (ROS) induce apoptosis by activating caspases and caspase-dependent DNase, leading to DNA fragmentation. ROS increase the expression of apoptotic protein Bax, which is mediated by activation of nuclear factor-κB (NF--κB). Nicotinamide adenine dinucleotide phosphate (NADPH) oxidase is an important source of endogenous ROS, and its activation is involved in apoptosis. Lutein, an oxygenated carotenoid and known antioxidant, is abundant in leafy dark green vegetables, such as spinach and kale, and in yellow-colored foods, such as corn and egg yolk. High amounts of lutein increase ROS levels and exhibit anticancer activity. However, its anticancer mechanism remains unclear. This study aimed to determine whether lutein activates NADPH oxidase to produce ROS and induce apoptosis in gastric cancer AGS cells. Lutein increased ROS levels and promoted the activation of NADPH oxidase by increasing the translocation of NADPH oxidase subunit p47 phox to the cell membrane. It increased NF-κB activation and apoptotic indices, such as Bax, caspase-3 cleavage, and DNA fragmentation, and decreased Bcl-2, cell viability, and colony formation in AGS cells. The specific NADPH oxidase inhibitor ML171, and the known antioxidant N-acetyl cysteine reversed lutein-induced cell death, DNA fragmentation, and NF-κB DNA-binding activity in AGS cells. These results suggest that lutein-induced ROS production is dependent on NADPH oxidase, which mediates NF-κB activation and apoptosis in gastric cancer AGS cells. Therefore, lutein supplementation may be beneficial for increasing ROS-mediated apoptosis in gastric cancer cells.
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Affiliation(s)
| | | | - Hyeyoung Kim
- Correspondence: ; Tel.: +82-2-2123-3125; Fax: +82-2-364-5781
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12
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Asimaki E, Petriukov K, Renz C, Meister C, Ulrich HD. Fast friends - Ubiquitin-like modifiers as engineered fusion partners. Semin Cell Dev Biol 2022; 132:132-145. [PMID: 34840080 PMCID: PMC9703124 DOI: 10.1016/j.semcdb.2021.11.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/08/2021] [Accepted: 11/12/2021] [Indexed: 12/15/2022]
Abstract
Ubiquitin and its relatives are major players in many biological pathways, and a variety of experimental tools based on biological chemistry or protein engineering is available for their manipulation. One popular approach is the use of linear fusions between the modifier and a protein of interest. Such artificial constructs can facilitate the understanding of the role of ubiquitin in biological processes and can be exploited to control protein stability, interactions and degradation. Here we summarize the basic design considerations and discuss the advantages as well as limitations associated with their use. Finally, we will refer to several published case studies highlighting the principles of how they provide insight into pathways ranging from membrane protein trafficking to the control of epigenetic modifications.
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13
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Tsukamoto Y, Kurogi S, Shibata T, Suzuki K, Hirashita Y, Fumoto S, Yano S, Yanagihara K, Nakada C, Mieno F, Kinoshita K, Fuchino T, Mizukami K, Ueda Y, Etoh T, Uchida T, Hanada T, Takekawa M, Daa T, Shirao K, Hironaka S, Murakami K, Inomata M, Hijiya N, Moriyama M. Enhanced phosphorylation of c-Jun by cisplatin treatment as a potential predictive biomarker for cisplatin response in combination with patient-derived tumor organoids. J Transl Med 2022; 102:1355-1366. [PMID: 35922477 DOI: 10.1038/s41374-022-00827-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 11/09/2022] Open
Abstract
Despite recent advances in sequencing technology and large-scale drug screenings employing hundreds of cell lines, the predictive accuracy of mutation-based biomarkers is still insufficient as a guide for cancer therapy. Therefore, novel types of diagnostic methods using alternative biomarkers would be highly desirable. We have hypothesized that sensitivity-specific changes in the phosphorylation of signaling molecules could be useful in this respect. Here, with the aim of developing a method for predicting the response of cancers to cisplatin using a combination of specific biomarker(s) and patient-derived tumor organoids (PDOs), we found that cisplatin-sensitive cell lines or PDOs showed enhanced phosphorylation of c-Jun (p-c-Jun) within 24 h after cisplatin treatment. We also compared the responses of 6 PDOs to cisplatin with the therapeutic effect of neoadjuvant chemotherapy (docetaxel/cisplatin/5-fluorouracil) in 6 matched patients. Mechanistically, the c-Jun induction was partly related to TNF signaling induced by cisplatin. Our data suggest that enhanced phosphorylation of c-Jun in response to cisplatin treatment could be a predictive biomarker for the efficacy of cisplatin in selected cancer patients.
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Affiliation(s)
- Yoshiyuki Tsukamoto
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan.
| | - Shusaku Kurogi
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan
| | - Tomotaka Shibata
- Department of Gastroenterological and Pediatric Surgery, Faculty of Medicine, Oita University, Oita, Japan
| | - Kosuke Suzuki
- Department of Gastroenterological and Pediatric Surgery, Faculty of Medicine, Oita University, Oita, Japan
| | - Yuka Hirashita
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan.,Department of Gastroenterology, Faculty of Medicine, Oita University, Oita, Japan
| | - Shoichi Fumoto
- Department of Surgery, Oita Nakamura Hospital, Oita, Japan
| | - Shinji Yano
- Department of Diagnostic Pathology, Faculty of Medicine, Oita University, Oita, Japan
| | - Kazuyoshi Yanagihara
- Exploratory Oncology Research and Clinical Trial Center, National Cancer Center Hospital East, Chiba, Japan
| | - Chisato Nakada
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan.,Department of Urology, Faculty of Medicine, Oita University, Oita, Japan
| | - Fumi Mieno
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan
| | - Keisuke Kinoshita
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan.,Department of Gastroenterology, Faculty of Medicine, Oita University, Oita, Japan
| | - Takafumi Fuchino
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan.,Department of Gastroenterology, Faculty of Medicine, Oita University, Oita, Japan
| | - Kazuhiro Mizukami
- Department of Gastroenterology, Faculty of Medicine, Oita University, Oita, Japan
| | - Yoshitake Ueda
- Department of Comprehensive Surgery for Community Medicine, Oita University, Oita, Japan
| | - Tsuyoshi Etoh
- Department of Gastroenterological and Pediatric Surgery, Faculty of Medicine, Oita University, Oita, Japan
| | - Tomohisa Uchida
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan
| | - Toshikatsu Hanada
- Department of Cell Biology, Oita University Faculty of Medicine, Oita University, Oita, Japan
| | - Mutsuhiro Takekawa
- Division of Cell Signaling and Molecular Medicine, Institute of Medical Sciences, University of Tokyo, Tokyo, Japan
| | - Tsutomu Daa
- Department of Diagnostic Pathology, Faculty of Medicine, Oita University, Oita, Japan
| | - Kuniaki Shirao
- Department of Medical Oncology and Hematology, Faculty of Medicine, Oita University, Oita, Japan
| | - Shuichi Hironaka
- Department of Medical Oncology and Hematology, Faculty of Medicine, Oita University, Oita, Japan
| | - Kazunari Murakami
- Department of Gastroenterology, Faculty of Medicine, Oita University, Oita, Japan
| | - Masafumi Inomata
- Department of Gastroenterological and Pediatric Surgery, Faculty of Medicine, Oita University, Oita, Japan
| | - Naoki Hijiya
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan
| | - Masatsugu Moriyama
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan
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14
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Chaouhan HS, Vinod C, Mahapatra N, Yu SH, Wang IK, Chen KB, Yu TM, Li CY. Necroptosis: A Pathogenic Negotiator in Human Diseases. Int J Mol Sci 2022; 23:12714. [PMID: 36361505 PMCID: PMC9655262 DOI: 10.3390/ijms232112714] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 11/25/2022] Open
Abstract
Over the past few decades, mechanisms of programmed cell death have attracted the scientific community because they are involved in diverse human diseases. Initially, apoptosis was considered as a crucial mechanistic pathway for programmed cell death; recently, an alternative regulated mode of cell death was identified, mimicking the features of both apoptosis and necrosis. Several lines of evidence have revealed that dysregulation of necroptosis leads to pathological diseases such as cancer, cardiovascular, lung, renal, hepatic, neurodegenerative, and inflammatory diseases. Regulated forms of necrosis are executed by death receptor ligands through the activation of receptor-interacting protein kinase (RIPK)-1/3 and mixed-lineage kinase domain-like (MLKL), resulting in the formation of a necrosome complex. Many papers based on genetic and pharmacological studies have shown that RIPKs and MLKL are the key regulatory effectors during the progression of multiple pathological diseases. This review focused on illuminating the mechanisms underlying necroptosis, the functions of necroptosis-associated proteins, and their influences on disease progression. We also discuss numerous natural and chemical compounds and novel targeted therapies that elicit beneficial roles of necroptotic cell death in malignant cells to bypass apoptosis and drug resistance and to provide suggestions for further research in this field.
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Affiliation(s)
- Hitesh Singh Chaouhan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan
| | - Ch Vinod
- Department of Biological Sciences, School of Applied Sciences, KIIT University, Bhubaneshwar 751024, India
| | - Nikita Mahapatra
- Department of Biological Sciences, School of Applied Sciences, KIIT University, Bhubaneshwar 751024, India
| | - Shao-Hua Yu
- Department of Emergency Medicine, China Medical University Hospital, Taichung 40402, Taiwan
| | - I-Kuan Wang
- School of Medicine, China Medical University, Taichung 40402, Taiwan
- Department of Internal Medicine, China Medical University Hospital, Taichung 40402, Taiwan
| | - Kuen-Bao Chen
- Department of Anesthesiology, China Medical University Hospital, Taichung 40402, Taiwan
| | - Tung-Min Yu
- School of Medicine, China Medical University, Taichung 40402, Taiwan
- Division of Nephrology, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung 40402, Taiwan
| | - Chi-Yuan Li
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan
- School of Medicine, China Medical University, Taichung 40402, Taiwan
- Department of Anesthesiology, China Medical University Hospital, Taichung 40402, Taiwan
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15
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Abstract
Cellular senescence is characterized by cell cycle arrest, resistance to apoptosis, and a senescence-associated secretory phenotype (SASP) whereby cells secrete pro-inflammatory and tissue-remodeling factors. Given that the SASP exacerbates age-associated pathologies, some aging interventions aim at selectively eliminating senescent cells. In this study, a drug library screen uncovered TrkB (NTRK2) inhibitors capable of triggering apoptosis of several senescent, but not proliferating, human cells. Senescent cells expressed high levels of TrkB, which supported senescent cell viability, and secreted the TrkB ligand BDNF. The reduced viability of senescent cells after ablating BDNF signaling suggested an autocrine function for TrkB and BDNF, which activated ERK5 and elevated BCL2L2 levels, favoring senescent cell survival. Treatment with TrkB inhibitors reduced the accumulation of senescent cells in aged mouse organs. We propose that the activation of TrkB by SASP factor BDNF promotes cell survival and could be exploited therapeutically to reduce the senescent-cell burden.
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16
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Abdelaal MR, Ibrahim E, Elnagar MR, Soror SH, Haffez H. Augmented Therapeutic Potential of EC-Synthetic Retinoids in Caco-2 Cancer Cells Using an In Vitro Approach. Int J Mol Sci 2022; 23:ijms23169442. [PMID: 36012706 PMCID: PMC9409216 DOI: 10.3390/ijms23169442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/29/2022] [Accepted: 08/05/2022] [Indexed: 11/16/2022] Open
Abstract
Colorectal cancer therapies have produced promising clinical responses, but tumor cells rapidly develop resistance to these drugs. It has been previously shown that EC19 and EC23, two EC-synthetic retinoids, have single-agent preclinical anticancer activity in colorectal carcinoma. Here, isobologram analysis revealed that they have synergistic cytotoxicity with retinoic acid receptor (RAR) isoform-selective agonistic retinoids such as AC261066 (RARβ2-selective agonist) and CD437 (RARγ-selective agonist) in Caco-2 cells. This synergism was confirmed by calculating the combination index (lower than 1) and the dose reduction index (higher than 1). Flow cytometry of combinatorial IC50 (the concentration causing 50% cell death) confirmed the cell cycle arrest at the SubG0-G1 phase with potentiated apoptotic and necrotic effects. The reported synergistic anticancer activity can be attributed to their ability to reduce the expression of ATP-binding cassette (ABC) transporters including P-glycoprotein (P-gp1), breast cancer resistance protein (BCRP) and multi-drug resistance-associated protein-1 (MRP1) and Heat Shock Protein 70 (Hsp70). This adds up to the apoptosis-promoting activity of EC19 and EC23, as shown by the increased Caspase-3/7 activities and DNA fragmentation leading to DNA double-strand breaks. This study sheds the light on the possible use of EC-synthetic retinoids in the rescue of multi-drug resistance in colorectal cancer using Caco-2 as a model and suggests new promising combinations between different synthetic retinoids. The current in vitro results pave the way for future studies on these compounds as possible cures for colorectal carcinoma.
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Affiliation(s)
- Mohamed R. Abdelaal
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
| | - Esraa Ibrahim
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
| | - Mohamed R. Elnagar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Cairo 11823, Egypt
| | - Sameh H. Soror
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
| | - Hesham Haffez
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
- Correspondence: ; Tel.: +20-1094-970-173
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17
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Erol A. Genotoxicity-Stimulated and CYLD-Driven Malignant Transformation. Cancer Manag Res 2022; 14:2339-2356. [PMID: 35958947 PMCID: PMC9362849 DOI: 10.2147/cmar.s373557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 07/28/2022] [Indexed: 11/23/2022] Open
Abstract
Oxidative stress, which can cause DNA damage, can both activate TNF-R1 directly in the absence of TNF stimulation and phosphorylate c-Abl, thus promoting its cytoplasmic translocation. Persistent cytoplasmic localization of c-Abl has been associated with cellular transformation. c-Abl phosphorylates OTULIN at tyrosine 56, thereby disrupting its relationship with LUBAC. OTULIN-released LUBAC interacts with SPATA2 and is recruited to the TNF-R1sc, facilitating SPATA2-CYLD interaction. All these interactions are required for the activation of IKKβ to stimulate NF-κB transcriptional activity following genotoxic stress. IKKβ also induces the critical phosphorylation of CYLD at serine 568 to increase its deubiquitinating (DUB) activity required for the termination of signaling cascades. Contrary to the widespread belief that CYLD is an absolute tumor suppressor, CYLD initiates and terminates NF-κB activity by alternately using its oncoprotein and tumor suppressor activities, respectively. If IKKβ fails to achieve the DUB activity-inducing phosphorylation at serine 568, CYLD would operate in a sustained mode of oncogenic activity. The resulting dysregulated NF-κB activation and other accompanying pathologies will disrupt cellular homeostasis in favor of transformation.
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Affiliation(s)
- Adnan Erol
- Independent Researcher, Istanbul, Turkey
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18
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Controlling Cancer Cell Death Types to Optimize Anti-Tumor Immunity. Biomedicines 2022; 10:biomedicines10050974. [PMID: 35625711 PMCID: PMC9138898 DOI: 10.3390/biomedicines10050974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/16/2022] [Accepted: 04/17/2022] [Indexed: 11/17/2022] Open
Abstract
Over several decades, cell biology research has characterized distinct forms of regulated cell death, identified master regulators such as nuclear factor kappa B (NFκB), and contributed to translating these findings in order to improve anti-cancer therapies. In the era of immunotherapy, however, the field warrants a new appraisal-the targeted induction of immunogenic cell death may offer personalized strategies to optimize anti-tumor immunity. Once again, the spotlight is on NFκB, which is not only a master regulator of cancer cell death, survival, and inflammation, but also of adaptive anti-tumor immune responses that are triggered by dying tumor cells.
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19
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Spontaneous activity of the mitochondrial apoptosis pathway drives chromosomal defects, the appearance of micronuclei and cancer metastasis through the Caspase-Activated DNAse. Cell Death Dis 2022; 13:315. [PMID: 35393399 PMCID: PMC8990075 DOI: 10.1038/s41419-022-04768-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 03/16/2022] [Accepted: 03/25/2022] [Indexed: 01/15/2023]
Abstract
Micronuclei are DNA-containing structures separate from the nucleus found in cancer cells. Micronuclei are recognized by the immune sensor axis cGAS/STING, driving cancer metastasis. The mitochondrial apoptosis apparatus can be experimentally triggered to a non-apoptotic level, and this can drive the appearance of micronuclei through the Caspase-activated DNAse (CAD). We tested whether spontaneously appearing micronuclei in cancer cells are linked to sub-lethal apoptotic signals. Inhibition of mitochondrial apoptosis or of CAD reduced the number of micronuclei in tumor cell lines as well as the number of chromosomal misalignments in tumor cells and intestinal organoids. Blockade of mitochondrial apoptosis or deletion of CAD reduced, while experimental activation CAD, STING-dependently, enhanced aggressive growth of tumor cells in vitro. Deletion of CAD from human cancer cells reduced metastasis in xenograft models. CAD-deficient cells displayed a substantially altered gene-expression profile, and a CAD-associated gene expression ‘signature’ strongly predicted survival in cancer patients. Thus, low-level activity in the mitochondrial apoptosis apparatus operates through CAD-dependent gene-induction and STING-activation and has substantial impact on metastasis in cancer.
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20
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Wang Y, Xiong J, Yuan Y, Peng C, Wu P, Wang Y, Lu J, Yin Y, Xu J, Chen S, Liu J. Suppression of RIP1 activity via S415 dephosphorylation ameliorates obesity-related hepatic insulin resistance. Obesity (Silver Spring) 2022; 30:680-693. [PMID: 35156314 DOI: 10.1002/oby.23361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 11/23/2021] [Accepted: 12/10/2021] [Indexed: 12/30/2022]
Abstract
OBJECTIVE Receptor-interacting serine/threonine-protein kinase 1 (RIP1) is a well-documented key regulator of TNFα-mediated inflammation, apoptosis, and necroptosis, which contribute to the development of obesity-related metabolic diseases such as nonalcoholic steatohepatitis. However, the mechanism regarding how RIP1 influences obesity-related insulin resistance remains elusive. METHODS Primary hepatocytes with necrostatin 1 treatment or RIP1 expression were exposed to palmitic acid (PA), prior to the examination of cellular insulin signaling. Phosphorylation sites of RIP1 were detected by liquid chromatography with tandem mass spectrometry, and RIP1 variants with mutated phosphorylation sites were overexpressed in hepatocytes to identify the specific residue that influenced the RIP1-mediated insulin resistance. Adenovirus expressing RIP1 (S415A) mutant were administered into diet-induced obese mice to assess the effects on insulin sensitivity. RESULTS This study uncovered an aberrant increase in RIP1 activity during the development of obesity-induced insulin resistance. Inhibition of RIP1 activity with necrostatin 1 ameliorated PA- or high-fat diet-caused hepatic insulin resistance. With liquid chromatography with tandem mass spectrometry analysis and mutagenesis screening, S415, a novel phosphorylation site of RIP1, was identified to be responsible for RIP1-mediated insulin resistance. Loss-of-function mutation of S415 efficiently blunted RIP1-evoked insulin resistance in PA-treated hepatocytes or diet-induced obese mice. CONCLUSIONS These findings highlight the diabetogenic role of RIP1 S415 and propose RIP1 as a promising therapeutic target for type 2 diabetes.
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Affiliation(s)
- Yanping Wang
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jie Xiong
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yanmei Yuan
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chao Peng
- School of Kinesiology, Shanghai University of Sports, Shanghai, China
| | - Ping Wu
- School of Kinesiology, Shanghai University of Sports, Shanghai, China
| | - Yibing Wang
- National Facility for Protein Science in Shanghai, Zhangjiang Lab, Shanghai Advanced Research Institute, Chinese Academy of Science, Shanghai, China
| | - Junxi Lu
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yue Yin
- School of Kinesiology, Shanghai University of Sports, Shanghai, China
| | - Junting Xu
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Suzhen Chen
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Junli Liu
- Shanghai Diabetes Institute, Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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21
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Shadfar S, Brocardo M, Atkin JD. The Complex Mechanisms by Which Neurons Die Following DNA Damage in Neurodegenerative Diseases. Int J Mol Sci 2022; 23:ijms23052484. [PMID: 35269632 PMCID: PMC8910227 DOI: 10.3390/ijms23052484] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/12/2022] [Accepted: 02/17/2022] [Indexed: 01/18/2023] Open
Abstract
Human cells are exposed to numerous exogenous and endogenous insults every day. Unlike other molecules, DNA cannot be replaced by resynthesis, hence damage to DNA can have major consequences for the cell. The DNA damage response contains overlapping signalling networks that repair DNA and hence maintain genomic integrity, and aberrant DNA damage responses are increasingly described in neurodegenerative diseases. Furthermore, DNA repair declines during aging, which is the biggest risk factor for these conditions. If unrepaired, the accumulation of DNA damage results in death to eliminate cells with defective genomes. This is particularly important for postmitotic neurons because they have a limited capacity to proliferate, thus they must be maintained for life. Neuronal death is thus an important process in neurodegenerative disorders. In addition, the inability of neurons to divide renders them susceptible to senescence or re-entry to the cell cycle. The field of cell death has expanded significantly in recent years, and many new mechanisms have been described in various cell types, including neurons. Several of these mechanisms are linked to DNA damage. In this review, we provide an overview of the cell death pathways induced by DNA damage that are relevant to neurons and discuss the possible involvement of these mechanisms in neurodegenerative conditions.
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Affiliation(s)
- Sina Shadfar
- Centre for Motor Neuron Disease Research, Macquarie Medical School, Macquarie University, Sydney, NSW 2109, Australia; (S.S.); (M.B.)
| | - Mariana Brocardo
- Centre for Motor Neuron Disease Research, Macquarie Medical School, Macquarie University, Sydney, NSW 2109, Australia; (S.S.); (M.B.)
| | - Julie D. Atkin
- Centre for Motor Neuron Disease Research, Macquarie Medical School, Macquarie University, Sydney, NSW 2109, Australia; (S.S.); (M.B.)
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Melbourne, VIC 3086, Australia
- Correspondence:
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22
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Shanmugam MK, Sethi G. Molecular mechanisms of cell death. MECHANISMS OF CELL DEATH AND OPPORTUNITIES FOR THERAPEUTIC DEVELOPMENT 2022:65-92. [DOI: 10.1016/b978-0-12-814208-0.00002-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
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23
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Stereotactic body radiation combined with oncolytic vaccinia virus induces potent anti-tumor effect by triggering tumor cell necroptosis and DAMPs. Cancer Lett 2021; 523:149-161. [PMID: 34606928 DOI: 10.1016/j.canlet.2021.09.040] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/12/2021] [Accepted: 09/27/2021] [Indexed: 02/07/2023]
Abstract
Radiation is an integral part of cancer therapy. With the emergence of oncolytic vaccinia virus immunotherapy, it is important to study the combination of radiation and vaccinia virus in cancer therapy. In this study, we investigated the anti-tumor effect of and immune mechanisms underlying the combination of high-dose hypofractionated stereotactic body radiotherapy (SBRT) and oncolytic vaccinia virus in preclinical murine models. The combination enhanced the in vivo anti-tumor effect and increased the numbers of splenic CD4+Ki-67+ helper T lymphocytes and CD8+Ki-67+ cytotoxic T lymphocytes. Combinational therapy also increased tumor-infiltrating CD3+CD4+ helper T lymphocytes and CD3+CD8+ cytotoxic T lymphocytes, but decreased tumor-infiltrating regulatory T cells. In addition, SBRT combined with oncolytic vaccinia virus enhanced in vitro cell death, partly through necroptosis, and subsequent release of damage-associated molecular patterns (DAMPs), and shifted the macrophage M1/M2 ratio. We concluded that SBRT combined with oncolytic vaccinia virus can trigger tumor cell necroptosis and modify macrophages through the release of DAMPs, and then generate potent anti-tumor immunity and effects. Thus, combined therapy is potentially an important strategy for clinical cancer therapy.
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24
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Mei X, Guo Y, Xie Z, Zhong Y, Wu X, Xu D, Li Y, Liu N, Zhu ZJ. RIPK1 regulates starvation resistance by modulating aspartate catabolism. Nat Commun 2021; 12:6144. [PMID: 34686667 PMCID: PMC8536712 DOI: 10.1038/s41467-021-26423-4] [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: 11/18/2020] [Accepted: 10/05/2021] [Indexed: 12/25/2022] Open
Abstract
RIPK1 is a crucial regulator of cell death and survival. Ripk1 deficiency promotes mouse survival in the prenatal period while inhibits survival in the early postnatal period without a clear mechanism. Metabolism regulation and autophagy are critical to neonatal survival from severe starvation at birth. However, the mechanism by which RIPK1 regulates starvation resistance and survival remains unclear. Here, we address this question by discovering the metabolic regulatory role of RIPK1. First, metabolomics analysis reveals that Ripk1 deficiency specifically increases aspartate levels in both mouse neonates and mammalian cells under starvation conditions. Increased aspartate in Ripk1−/− cells enhances the TCA flux and ATP production. The energy imbalance causes defective autophagy induction by inhibiting the AMPK/ULK1 pathway. Transcriptional analyses demonstrate that Ripk1−/− deficiency downregulates gene expression in aspartate catabolism by inactivating SP1. To summarize, this study reveals that RIPK1 serves as a metabolic regulator responsible for starvation resistance. RIPK1 is critical for normal development and cell death. Here, the authors identify a metabolic role for RIPK1 in aspartate homeostasis, as increased aspartate levels in RIPK1-deficient cells inhibits starvation-induced autophagy by ULK1.
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Affiliation(s)
- Xinyu Mei
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R. China.,Center for Clinical Research and Translational Medicine, Yangpu Hospital, Tongji University School of Medicine, Shanghai, P.R. China
| | - Yuan Guo
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zhangdan Xie
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yedan Zhong
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R. China
| | - Xiaofen Wu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Daichao Xu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R. China
| | - Ying Li
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R. China
| | - Nan Liu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R. China
| | - Zheng-Jiang Zhu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R. China.
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25
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Sriram G, Milling LE, Chen JK, Kong YW, Joughin BA, Abraham W, Swartwout S, Handly ED, Irvine DJ, Yaffe MB. The injury response to DNA damage in live tumor cells promotes antitumor immunity. Sci Signal 2021; 14:eabc4764. [PMID: 34665642 PMCID: PMC8791539 DOI: 10.1126/scisignal.abc4764] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Although immune checkpoint blockade (ICB) has strong clinical benefit for treating some tumor types, it fails in others, indicating a need for additional modalities to enhance the ICB effect. Here, we identified one such modality by using DNA damage to create a live, injured tumor cell adjuvant. Using an optimized ex vivo coculture system, we found that treating tumor cells with specific concentrations of etoposide, mitoxantrone, or doxorubicin markedly enhanced dendritic cell–mediated T cell activation. These immune-enhancing effects of DNA damage did not correlate with immunogenic cell death markers or with the extent of apoptosis or necroptosis; instead, these effects were mediated by live injured cells with activation of the DNA-PK, ATR, NF-κB, p38 MAPK, and RIPK1 signaling pathways. In mice, intratumoral injection of ex vivo etoposide–treated tumor cells in combination with systemic ICB (by anti-PD-1 and anti-CTLA4 antibodies) increased the number of intratumoral CD103+ dendritic cells and circulating tumor-antigen–specific CD8+ T cells, decreased tumor growth, and improved survival. These effects were absent in Batf3−/− mice and in mice in which the DNA-damaging drug was injected directly into the tumor, due to DNA damage in the immune cells. The combination treatment induced complete tumor regression in a subset of mice that were then able to reject tumor rechallenge, indicating that the injured cell adjuvant treatment induced durable antitumor immunological memory. These results provide a strategy for enhancing the efficacy of immune checkpoint inhibition in tumor types that do not respond to this treatment modality by itself.
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Affiliation(s)
- Ganapathy Sriram
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142
- Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139
- David. H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Lauren E. Milling
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142
- David. H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Jung-Kuei Chen
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142
- Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139
- David. H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Yi Wen Kong
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142
- Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139
- David. H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Brian A. Joughin
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142
- Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139
- David. H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Wuhbet Abraham
- David. H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Susanne Swartwout
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142
- Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139
- David. H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Erika D. Handly
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142
- Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139
- David. H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Darrell J. Irvine
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142
- David. H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA
- Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA
| | - Michael B. Yaffe
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142
- Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139
- David. H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139
- Divisions of Acute Care Surgery, Trauma, and Surgical Critical Care and Surgical Oncology, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215
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26
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Jantas D, Lasoń W. Preclinical Evidence for the Interplay between Oxidative Stress and RIP1-Dependent Cell Death in Neurodegeneration: State of the Art and Possible Therapeutic Implications. Antioxidants (Basel) 2021; 10:antiox10101518. [PMID: 34679652 PMCID: PMC8532910 DOI: 10.3390/antiox10101518] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/17/2021] [Accepted: 09/21/2021] [Indexed: 12/15/2022] Open
Abstract
Neurodegenerative diseases are the most frequent chronic, age-associated neurological pathologies having a major impact on the patient’s quality of life. Despite a heavy medical, social and economic burden they pose, no causative treatment is available for these diseases. Among the important pathogenic factors contributing to neuronal loss during neurodegeneration is elevated oxidative stress resulting from a disturbed balance between endogenous prooxidant and antioxidant systems. For many years, it was thought that increased oxidative stress was a cause of neuronal cell death executed via an apoptotic mechanism. However, in recent years it has been postulated that rather programmed necrosis (necroptosis) is the key form of neuronal death in the course of neurodegenerative diseases. Such assumption was supported by biochemical and morphological features of the dying cells as well as by the fact that various necroptosis inhibitors were neuroprotective in cellular and animal models of neurodegenerative diseases. In this review, we discuss the relationship between oxidative stress and RIP1-dependent necroptosis and apoptosis in the context of the pathomechanism of neurodegenerative disorders. Based on the published data mainly from cellular models of neurodegeneration linking oxidative stress and necroptosis, we postulate that administration of multipotential neuroprotectants with antioxidant and antinecroptotic properties may constitute an efficient pharmacotherapeutic strategy for the treatment of neurodegenerative diseases.
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27
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Delanghe T, Huyghe J, Lee S, Priem D, Van Coillie S, Gilbert B, Choi SM, Vandenabeele P, Degterev A, Cuny GD, Dondelinger Y, Bertrand MJM. Antioxidant and food additive BHA prevents TNF cytotoxicity by acting as a direct RIPK1 inhibitor. Cell Death Dis 2021; 12:699. [PMID: 34262020 PMCID: PMC8280128 DOI: 10.1038/s41419-021-03994-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/02/2021] [Accepted: 07/05/2021] [Indexed: 12/28/2022]
Abstract
Butylate hydroxyanisole (BHA) is a synthetic phenol that is widely utilized as a preservative by the food and cosmetic industries. The antioxidant properties of BHA are also frequently used by scientists to claim the implication of reactive oxygen species (ROS) in various cellular processes, including cell death. We report on the surprising finding that BHA functions as a direct inhibitor of RIPK1, a major signaling hub downstream of several immune receptors. Our in silico analysis predicts binding of 3-BHA, but not 2-BHA, to RIPK1 in an inactive DLG-out/Glu-out conformation, similar to the binding of the type III inhibitor Nec-1s to RIPK1. This predicted superior inhibitory capacity of 3-BHA over 2-BHA was confirmed in cells and using in vitro kinase assays. We demonstrate that the reported protective effect of BHA against tumor necrosis factor (TNF)-induced necroptotic death does not originate from ROS scavenging but instead from direct RIPK1 enzymatic inhibition, a finding that most probably extends to other reported effects of BHA. Accordingly, we show that BHA not only protects cells against RIPK1-mediated necroptosis but also against RIPK1 kinase-dependent apoptosis. We found that BHA treatment completely inhibits basal and induced RIPK1 enzymatic activity in cells, monitored at the level of TNFR1 complex I under apoptotic conditions or in the cytosol under necroptosis. Finally, we show that oral administration of BHA protects mice from RIPK1 kinase-dependent lethality caused by TNF injection, a model of systemic inflammatory response syndrome. In conclusion, our results demonstrate that BHA can no longer be used as a strict antioxidant and that new functions of RIPK1 may emerge from previously reported effects of BHA.
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Affiliation(s)
- Tom Delanghe
- VIB Center for Inflammation Research, 9052, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9052, Ghent, Belgium
| | - Jon Huyghe
- VIB Center for Inflammation Research, 9052, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9052, Ghent, Belgium
| | - Seungheon Lee
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, 77204, USA
| | - Dario Priem
- VIB Center for Inflammation Research, 9052, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9052, Ghent, Belgium
| | - Samya Van Coillie
- VIB Center for Inflammation Research, 9052, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9052, Ghent, Belgium
| | - Barbara Gilbert
- VIB Center for Inflammation Research, 9052, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9052, Ghent, Belgium
| | - Sze Men Choi
- VIB Center for Inflammation Research, 9052, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9052, Ghent, Belgium
| | - Peter Vandenabeele
- VIB Center for Inflammation Research, 9052, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9052, Ghent, Belgium
| | - Alexei Degterev
- Department of Developmental, Molecular & Chemical Biology, Tufts University School of Medicine, Boston, MA, 02111, USA
| | - Gregory D Cuny
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, 77204, USA
| | - Yves Dondelinger
- VIB Center for Inflammation Research, 9052, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, 9052, Ghent, Belgium
| | - Mathieu J M Bertrand
- VIB Center for Inflammation Research, 9052, Ghent, Belgium. .,Department of Biomedical Molecular Biology, Ghent University, 9052, Ghent, Belgium.
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28
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Hawkins CJ, Miles MA. Mutagenic Consequences of Sublethal Cell Death Signaling. Int J Mol Sci 2021; 22:ijms22116144. [PMID: 34200309 PMCID: PMC8201051 DOI: 10.3390/ijms22116144] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/03/2021] [Accepted: 06/05/2021] [Indexed: 02/06/2023] Open
Abstract
Many human cancers exhibit defects in key DNA damage response elements that can render tumors insensitive to the cell death-promoting properties of DNA-damaging therapies. Using agents that directly induce apoptosis by targeting apoptotic components, rather than relying on DNA damage to indirectly stimulate apoptosis of cancer cells, may overcome classical blocks exploited by cancer cells to evade apoptotic cell death. However, there is increasing evidence that cells surviving sublethal exposure to classical apoptotic signaling may recover with newly acquired genomic changes which may have oncogenic potential, and so could theoretically spur the development of subsequent cancers in cured patients. Encouragingly, cells surviving sublethal necroptotic signaling did not acquire mutations, suggesting that necroptosis-inducing anti-cancer drugs may be less likely to trigger therapy-related cancers. We are yet to develop effective direct inducers of other cell death pathways, and as such, data regarding the consequences of cells surviving sublethal stimulation of those pathways are still emerging. This review details the currently known mutagenic consequences of cells surviving different cell death signaling pathways, with implications for potential oncogenic transformation. Understanding the mechanisms of mutagenesis associated (or not) with various cell death pathways will guide us in the development of future therapeutics to minimize therapy-related side effects associated with DNA damage.
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Affiliation(s)
- Christine J. Hawkins
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3086, Australia;
| | - Mark A. Miles
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3086, Australia;
- School of Health and Biomedical Sciences, RMIT University, Bundoora, VIC 3083, Australia
- Correspondence:
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29
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Wu W, Wang X, Berleth N, Deitersen J, Wallot-Hieke N, Böhler P, Schlütermann D, Stuhldreier F, Cox J, Schmitz K, Seggewiß S, Peter C, Kasof G, Stefanski A, Stühler K, Tschapek A, Gödecke A, Stork B. The Autophagy-Initiating Kinase ULK1 Controls RIPK1-Mediated Cell Death. Cell Rep 2021; 31:107547. [PMID: 32320653 DOI: 10.1016/j.celrep.2020.107547] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Revised: 06/04/2019] [Accepted: 03/31/2020] [Indexed: 12/19/2022] Open
Abstract
Autophagy, apoptosis, and necroptosis are stress responses governing the ultimate fate of a cell. However, the crosstalk between these cellular stress responses is not entirely understood. Especially, it is not clear whether the autophagy-initiating kinase ULK1 and the cell-death-regulating kinase RIPK1 are involved in this potential crosstalk. Here, we identify RIPK1 as a substrate of ULK1. ULK1-dependent phosphorylation of RIPK1 reduces complex IIb/necrosome assembly and tumor necrosis factor (TNF)-induced cell death, whereas deprivation of ULK1 enhances TNF-induced cell death. We observe that ULK1 phosphorylates multiple sites of RIPK1, but it appears that especially phosphorylation of S357 within the intermediate domain of RIPK1 mediates this cell-death-inhibiting effect. We propose that ULK1 is a regulator of RIPK1-mediated cell death.
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Affiliation(s)
- Wenxian Wu
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Xiaojing Wang
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Niklas Berleth
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Jana Deitersen
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Nora Wallot-Hieke
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Philip Böhler
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - David Schlütermann
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Fabian Stuhldreier
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Jan Cox
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Katharina Schmitz
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Sabine Seggewiß
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Christoph Peter
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Gary Kasof
- Cell Signaling Technology, Danvers, MA 01923, USA
| | - Anja Stefanski
- Molecular Proteomics Laboratory, BMFZ, Heinrich Heine University, Düsseldorf, Germany
| | - Kai Stühler
- Molecular Proteomics Laboratory, BMFZ, Heinrich Heine University, Düsseldorf, Germany
| | - Astrid Tschapek
- Institute of Cardiovascular Physiology, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Axel Gödecke
- Institute of Cardiovascular Physiology, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Björn Stork
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany.
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30
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Abstract
In the last decade, the role of apoptosis in the pathophysiology of acute kidney injury (AKI) and AKI to chronic kidney disease (CKD) progression has been revisited as our understanding of ferroptosis and necroptosis has emerged. A growing body of evidence, reviewed here, ascribes a central pathophysiological role for ferroptosis and necroptosis to AKI, nephron loss, and acute tubular necrosis. We will introduce concepts to the non-cell-autonomous manner of kidney tubular injury during ferroptosis, a phenomenon that we refer to as a "wave of death." We hypothesize that necroptosis might initiate cell death propagation through ferroptosis. The remaining necrotic debris requires effective removal processes to prevent a secondary inflammatory response, referred to as necroinflammation. Open questions include the differences in the immunogenicity of ferroptosis and necroptosis, and the specificity of necrostatins and ferrostatins to therapeutically target these processes to prevent AKI-to-CKD progression and end-stage renal disease.
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31
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Cong C, Jiaxin B, Liu X, Zhang X, Fu Y, Li Z, Xu Z, Wei S, Wang D, Gao D. A homologous-targeting "nanoconverter" with variable size for deep tumor penetration and immunotherapy. J Mater Chem B 2021; 9:2323-2333. [PMID: 33621309 DOI: 10.1039/d0tb02908d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Tumor-associated immunosuppression, as a key barrier, prevents immunotherapy-resistant tumors. In this study, an ingenious "nanoconverter" was designed to convert immunosuppression into immunoactivation, which was a C6-ceramide (C6)-modified tumor cytomembrane-coated polydopamine-paclitaxel system (PTX/PDA@M-C6). The co-administration of C6-ceramide and tumor cytomembrane changed an adaptive immune state to an activation state, which induced a robust antigen presentation ability of tumor-infiltrating dendritic cells to activate T1 helper cells and cytotoxic T lymphocytes. Meanwhile, C6-ceramide regulated the phenotype of macrophages via the reactive oxygen species pathway, which resulted in the conversion of M2-like macrophages by infiltration within tumors into M2-like macrophages, and therefore, M2-like macrophage-mediated immunosuppression was weakened distinctly. The "nanoconverter"-mediated conversion process upregulated the expression of related immune factors including interleukin-12, interleukin-6, tumor necrosis factor-α and interferon-γ and executed positive anti-tumor effects. In addition, under the protection of tumor-homologous cytomembrane, the "nanoconverter" exhibited excellent delivery efficiency (23.22%), and subsequently, accumulated special structural "nanoconverter" could break down into smaller nanoparticles for deep penetration into the tumor tissue under a NIR laser. Ultimately, chemo/thermal therapy-assisted immunotherapy completely eliminated the tumors of tumor-bearing mice, and a potent memory response relying on effector memory T cells still persisted to protect against tumor relapse after the end of treatment. The "nanoconverter" serves as a promising nanodrug delivery system for the conversion of immunosuppression and enhanced chemo/thermal therapy. Therefore, the highly cumulative "nanoconverter" has great potential for promoting the effect and clinical application of immunotherapy.
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Affiliation(s)
- Cong Cong
- State Key Laboratory of Metastable Materials Science and Technology, Applying Chemistry Key Lab of Hebei Province, Heavy Metal Deep-remediation in Water and RESOURCE REUSE KEY Lab of Hebei, Yanshan University, Qinhuangdao 066004, P. R. China.
| | - Bian Jiaxin
- State Key Laboratory of Metastable Materials Science and Technology, Applying Chemistry Key Lab of Hebei Province, Heavy Metal Deep-remediation in Water and RESOURCE REUSE KEY Lab of Hebei, Yanshan University, Qinhuangdao 066004, P. R. China.
| | - Xiaokang Liu
- State Key Laboratory of Metastable Materials Science and Technology, Applying Chemistry Key Lab of Hebei Province, Heavy Metal Deep-remediation in Water and RESOURCE REUSE KEY Lab of Hebei, Yanshan University, Qinhuangdao 066004, P. R. China.
| | - Xinyue Zhang
- State Key Laboratory of Metastable Materials Science and Technology, Applying Chemistry Key Lab of Hebei Province, Heavy Metal Deep-remediation in Water and RESOURCE REUSE KEY Lab of Hebei, Yanshan University, Qinhuangdao 066004, P. R. China.
| | - Yihan Fu
- State Key Laboratory of Metastable Materials Science and Technology, Applying Chemistry Key Lab of Hebei Province, Heavy Metal Deep-remediation in Water and RESOURCE REUSE KEY Lab of Hebei, Yanshan University, Qinhuangdao 066004, P. R. China.
| | - Zhuo Li
- State Key Laboratory of Metastable Materials Science and Technology, Applying Chemistry Key Lab of Hebei Province, Heavy Metal Deep-remediation in Water and RESOURCE REUSE KEY Lab of Hebei, Yanshan University, Qinhuangdao 066004, P. R. China.
| | - Zichuang Xu
- State Key Laboratory of Metastable Materials Science and Technology, Applying Chemistry Key Lab of Hebei Province, Heavy Metal Deep-remediation in Water and RESOURCE REUSE KEY Lab of Hebei, Yanshan University, Qinhuangdao 066004, P. R. China.
| | - Shipan Wei
- State Key Laboratory of Metastable Materials Science and Technology, Applying Chemistry Key Lab of Hebei Province, Heavy Metal Deep-remediation in Water and RESOURCE REUSE KEY Lab of Hebei, Yanshan University, Qinhuangdao 066004, P. R. China.
| | - Desong Wang
- State Key Laboratory of Metastable Materials Science and Technology, Applying Chemistry Key Lab of Hebei Province, Heavy Metal Deep-remediation in Water and RESOURCE REUSE KEY Lab of Hebei, Yanshan University, Qinhuangdao 066004, P. R. China.
| | - Dawei Gao
- State Key Laboratory of Metastable Materials Science and Technology, Applying Chemistry Key Lab of Hebei Province, Heavy Metal Deep-remediation in Water and RESOURCE REUSE KEY Lab of Hebei, Yanshan University, Qinhuangdao 066004, P. R. China.
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32
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Jinushi M. Chronic activation of DNA damage signals causes tumor immune evasion in the chemoresistant niche. Oncoimmunology 2021; 1:400-402. [PMID: 22737630 PMCID: PMC3382849 DOI: 10.4161/onci.19123] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
DNA damage responses have been proposed as a gatekeeper to block tumorigenesis. We identify unexpected mechanisms whereby ATM-mediated pathway interacts with NFκB inflammatory cascades, leading to upregulation of integrin-αbβ3 on chemoresistant tumor cells. The integrin-αbβ3 is responsible for impeding tumor-specific immune responses, linking chemoresistant niche with tumor immune evasion.
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Affiliation(s)
- Masahisa Jinushi
- Research Center for Infection-Associated Cancer; Institute for Genetic Medicine; Hokkaido University; Sapporo, Japan
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Abstract
The induction of senescence in tumor cells impairs transformation and promotes an anticancer immune response resulting from the production by senescent cells of cytokines and chemokines, an aspect known as "senescence-associated secretory phenotype" (SASP). Here we discuss recent findings regarding the role of NFκB in the modulation of the SASP and the consequent anticancer immune response.
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Affiliation(s)
- Elvira Crescenzi
- Istituto di Endocrinologia ed Oncologia Sperimentale; Naples, Italy
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Natural Products as Inducers of Non-Canonical Cell Death: A Weapon against Cancer. Cancers (Basel) 2021; 13:cancers13020304. [PMID: 33467668 PMCID: PMC7830727 DOI: 10.3390/cancers13020304] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/09/2021] [Accepted: 01/13/2021] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Anticancer therapeutic approaches based solely on apoptosis induction are often unsuccessful due to the activation of resistance mechanisms. The identification and characterization of compounds capable of triggering non-apoptotic, also called non-canonical cell death pathways, could represent an important strategy that may integrate or offer alternative approaches to the current anticancer therapies. In this review, we critically discuss the promotion of ferroptosis, necroptosis, and pyroptosis by natural compounds as a new anticancer strategy. Abstract Apoptosis has been considered the main mechanism induced by cancer chemotherapeutic drugs for a long time. This paradigm is currently evolving and changing, as increasing evidence pointed out that antitumor agents could trigger various non-canonical or non-apoptotic cell death types. A considerable number of antitumor drugs derive from natural sources, both in their naturally occurring form or as synthetic derivatives. Therefore, it is not surprising that several natural compounds have been explored for their ability to induce non-canonical cell death. The aim of this review is to highlight the potential antitumor effects of natural products as ferroptosis, necroptosis, or pyroptosis inducers. Natural products have proven to be promising non-canonical cell death inducers, capable of overcoming cancer cells resistance to apoptosis. However, as discussed in this review, they often lack a full characterization of their antitumor activity together with an in-depth investigation of their toxicological profile.
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Jaber FL, Sharma Y, Mui BG, Kapoor S, Gupta S. Tumor Necrosis Factor Directs Allograft-Related Innate Responses and Its Neutralization Improves Hepatocyte Engraftment in Rats. THE AMERICAN JOURNAL OF PATHOLOGY 2021; 191:79-89. [PMID: 33127336 PMCID: PMC7768347 DOI: 10.1016/j.ajpath.2020.09.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 09/09/2020] [Accepted: 09/30/2020] [Indexed: 12/12/2022]
Abstract
The innate immune system plays a critical role in allograft rejection. Alloresponses involve numerous cytokines, chemokines, and receptors that cause tissue injury during rejection. To dissect these inflammatory mechanisms, we developed cell transplantation models in dipeptidylpeptidase-deficient F344 rats using mycophenolate mofetil and tacrolimus for partial lymphocyte-directed immunosuppression. Syngeneic hepatocytes engrafted in liver, whereas allogeneic hepatocytes were rejected but engrafted after immunosuppression. These transplants induced mRNAs for >40 to 50 cytokines, chemokines, and receptors. In allografts, innate cell type-related regulatory networks extended to granulocytes, monocytes, and macrophages. Activation of Tnfa and its receptors or major chemokine receptor-ligand subsets persisted in the long term. An examination of the contribution of Tnfa in allograft response revealed that it was prospectively antagonized by etanercept or thalidomide, which resolved cytokine, chemokine, and receptor cascades. In bioinformatics analysis of upstream regulator networks, the Cxcl8 pathway exhibited dominance despite immunosuppression. Significantly, Tnfa antagonism silenced the Cxcl8 pathway and decreased neutrophil and Kupffer cell recruitment, resulting in multifold greater engraftment of allogeneic hepatocytes and substantially increased liver repopulation in retrorsine/partial hepatectomy model. We conclude that Tnfa is a major driver for persistent innate immune responses after allogeneic cells. Neutralizing Tnfa should help in avoiding rejection and associated tissue injury in the allograft setting.
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Affiliation(s)
- Fadi Luc Jaber
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York
| | - Yogeshwar Sharma
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York
| | - Brandon G Mui
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York
| | - Sorabh Kapoor
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York
| | - Sanjeev Gupta
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York; Department of Pathology, Albert Einstein College of Medicine, Bronx, New York; Diabetes Center, Albert Einstein College of Medicine, Bronx, New York; Fleischer Institute for Diabetes and Metabolism, Albert Einstein College of Medicine, Bronx, New York; Irwin S. and Sylvia Chanin Institute for Cancer Research, Albert Einstein College of Medicine, Bronx, New York; Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York.
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Khan FH, Dervan E, Bhattacharyya DD, McAuliffe JD, Miranda KM, Glynn SA. The Role of Nitric Oxide in Cancer: Master Regulator or NOt? Int J Mol Sci 2020; 21:ijms21249393. [PMID: 33321789 PMCID: PMC7763974 DOI: 10.3390/ijms21249393] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/06/2020] [Accepted: 12/07/2020] [Indexed: 02/06/2023] Open
Abstract
Nitric oxide (NO) is a key player in both the development and suppression of tumourigenesis depending on the source and concentration of NO. In this review, we discuss the mechanisms by which NO induces DNA damage, influences the DNA damage repair response, and subsequently modulates cell cycle arrest. In some circumstances, NO induces cell cycle arrest and apoptosis protecting against tumourigenesis. NO in other scenarios can cause a delay in cell cycle progression, allowing for aberrant DNA repair that promotes the accumulation of mutations and tumour heterogeneity. Within the tumour microenvironment, low to moderate levels of NO derived from tumour and endothelial cells can activate angiogenesis and epithelial-to-mesenchymal transition, promoting an aggressive phenotype. In contrast, high levels of NO derived from inducible nitric oxide synthase (iNOS) expressing M1 and Th1 polarised macrophages and lymphocytes may exert an anti-tumour effect protecting against cancer. It is important to note that the existing evidence on immunomodulation is mainly based on murine iNOS studies which produce higher fluxes of NO than human iNOS. Finally, we discuss different strategies to target NO related pathways therapeutically. Collectively, we present a picture of NO as a master regulator of cancer development and progression.
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Affiliation(s)
- Faizan H. Khan
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway (NUIG), H91 YR71 Galway, Ireland; (F.H.K.); (E.D.); (D.D.B.); (J.D.M.)
| | - Eoin Dervan
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway (NUIG), H91 YR71 Galway, Ireland; (F.H.K.); (E.D.); (D.D.B.); (J.D.M.)
| | - Dibyangana D. Bhattacharyya
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway (NUIG), H91 YR71 Galway, Ireland; (F.H.K.); (E.D.); (D.D.B.); (J.D.M.)
| | - Jake D. McAuliffe
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway (NUIG), H91 YR71 Galway, Ireland; (F.H.K.); (E.D.); (D.D.B.); (J.D.M.)
| | - Katrina M. Miranda
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ 85721, USA;
| | - Sharon A. Glynn
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway (NUIG), H91 YR71 Galway, Ireland; (F.H.K.); (E.D.); (D.D.B.); (J.D.M.)
- Correspondence:
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Mendonca P, Soliman KFA. Flavonoids Activation of the Transcription Factor Nrf2 as a Hypothesis Approach for the Prevention and Modulation of SARS-CoV-2 Infection Severity. Antioxidants (Basel) 2020; 9:E659. [PMID: 32722164 PMCID: PMC7463602 DOI: 10.3390/antiox9080659] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/22/2020] [Accepted: 07/22/2020] [Indexed: 12/12/2022] Open
Abstract
The Nrf2-Keap1-ARE pathway is the principal regulator of antioxidant and phase II detoxification genes. Its activation increases the expression of antioxidant and cytoprotective proteins, protecting cells against infections. Nrf2 modulates virus-induced oxidative stress, ROS generation, and disease pathogenesis, which are vital in the viral life cycle. During respiratory viral infections, such as the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), an inflammatory process, and oxidative stress of the epithelium lining cells activate the transcription factor Nrf2, which protects cells from oxidative stress and inflammation. Nrf2 reduces angiotensin-converting enzyme 2 (ACE2) receptors expression in respiratory epithelial cells. SARS-CoV2 has a high affinity for ACE2 that works as receptors for coronavirus surface spike glycoprotein, facilitating viral entry. Disease severity may also be modulated by pre-existing conditions, such as impaired immune response, obesity, and age, where decreased level of Nrf2 is a common feature. Consequently, Nrf2 activators may increase Nrf2 levels and enhance antiviral mediators' expression, which could initiate an "antiviral state", priming cells against viral infection. Therefore, this hypothesis paper describes the use of flavonoid supplements combined with vitamin D3 to activate Nrf2, which may be a potential target to prevent and/or decrease SARS-CoV-2 infection severity, reducing oxidative stress and inflammation, enhancing innate immunity, and downregulating ACE2 receptors.
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Affiliation(s)
| | - Karam F. A. Soliman
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA;
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ATM is a key driver of NF-κB-dependent DNA-damage-induced senescence, stem cell dysfunction and aging. Aging (Albany NY) 2020; 12:4688-4710. [PMID: 32201398 PMCID: PMC7138542 DOI: 10.18632/aging.102863] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Accepted: 03/08/2020] [Indexed: 01/31/2023]
Abstract
NF-κB is a transcription factor activated in response to inflammatory, genotoxic and oxidative stress and important for driving senescence and aging. Ataxia-telangiectasia mutated (ATM) kinase, a core component of DNA damage response signaling, activates NF-κB in response to genotoxic and oxidative stress via post-translational modifications. Here we demonstrate that ATM is activated in senescent cells in culture and murine tissues from Ercc1-deficient mouse models of accelerated aging, as well as naturally aged mice. Genetic and pharmacologic inhibition of ATM reduced activation of NF-κB and markers of senescence and the senescence-associated secretory phenotype (SASP) in senescent Ercc1-/- MEFs. Ercc1-/Δ mice heterozygous for Atm have reduced NF-κB activity and cellular senescence, improved function of muscle-derived stem/progenetor cells (MDSPCs) and extended healthspan with reduced age-related pathology especially age-related bone and intervertebral disc pathologies. In addition, treatment of Ercc1-/∆ mice with the ATM inhibitor KU-55933 suppressed markers of senescence and SASP. Taken together, these results demonstrate that the ATM kinase is a major mediator of DNA damage-induced, NF-κB-mediated cellular senescence, stem cell dysfunction and aging and thus represents a therapeutic target to slow the progression of aging.
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Wu X, Wu H, Gu X, Zhang R, Sheng Q, Ye J. Effect of the immobilized microcystin-LR-degrading enzyme MlrA on nodularin degradation and its immunotoxicity study. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 258:113653. [PMID: 31801670 DOI: 10.1016/j.envpol.2019.113653] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 11/18/2019] [Accepted: 11/19/2019] [Indexed: 06/10/2023]
Abstract
In freshwater ecosystems with frequent cyanobacterial blooms, the cyanobacteria toxin pollution is becoming increasingly serious. Nodularin (NOD), which has strong biological toxicity, has emerged as a new pollutant and affects the normal growth, development and reproduction of aquatic organisms. However, little information is available regarding this toxin. In this study, a graphene oxide material modified by L-cysteine was synthesized and used to immobilize microcystin-LR (MC-LR)-degrading enzyme (MlrA) to form an immobilized enzyme nanocomposite, CysGO-MlrA. Free-MlrA was used as a control. The efficiency of NOD removal by CysGO-MlrA was investigated. Additionally, the effects of CysGO-MlrA and the NOD degradation product on zebrafish lymphocytes were detected to determine the biological toxicity of these two substances. The results showed the following: (1) There was no significant difference in the degradation efficiency of NOD between CysGO-MlrA and free-MlrA; the degradation rate of both was greater than 80% at 1 h (2) The degradation efficiency of the enzyme could retain greater than 81% of the initial degradation efficiency after the CysGO-MlrA had been reused 7 times. (3) CysGO-MlrA retained greater than 50% of its activity on the 8th day when preserved at 0 °C, while free-MlrA lost 50% of its activity on the 4th day. (4) CysGO-MlrA and the degradation product of NOD showed no obvious cytotoxicity to zebrafish lymphocytes. Therefore, CysGO-MlrA might be used as an efficient and ecologically safe degradation material for NOD.
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Affiliation(s)
- Xiang Wu
- Key Laboratory of Aquatic Resources Conservation and Development Technology Research, College of Life Sciences, Huzhou University, Huzhou City, Zhejiang Province, 313000, China.
| | - Hao Wu
- Environmental Protection Monitoring Centre Station, Huzhou City, Zhejiang Province, 313000, China
| | - Xiaoxiao Gu
- Key Laboratory of Aquatic Resources Conservation and Development Technology Research, College of Life Sciences, Huzhou University, Huzhou City, Zhejiang Province, 313000, China
| | - Rongfei Zhang
- Key Laboratory of Aquatic Resources Conservation and Development Technology Research, College of Life Sciences, Huzhou University, Huzhou City, Zhejiang Province, 313000, China
| | - Qiang Sheng
- Key Laboratory of Aquatic Resources Conservation and Development Technology Research, College of Life Sciences, Huzhou University, Huzhou City, Zhejiang Province, 313000, China
| | - Jinyun Ye
- Key Laboratory of Aquatic Resources Conservation and Development Technology Research, College of Life Sciences, Huzhou University, Huzhou City, Zhejiang Province, 313000, China
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Babbar M, Basu S, Yang B, Croteau DL, Bohr VA. Mitophagy and DNA damage signaling in human aging. Mech Ageing Dev 2020; 186:111207. [PMID: 31923475 PMCID: PMC7047626 DOI: 10.1016/j.mad.2020.111207] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 01/02/2020] [Accepted: 01/03/2020] [Indexed: 12/27/2022]
Abstract
Aging is associated with multiple human pathologies. In the past few years mitochondrial homeostasis has been well correlated with age-related disorders and longevity. Mitochondrial homeostasis involves generation, biogenesis and removal of dysfunctional mitochondria via mitophagy. Mitophagy is regulated by various mitochondrial and extra-mitochondrial factors including morphology, oxidative stress and DNA damage. For decades, DNA damage and inefficient DNA repair have been considered as major determinants for age-related disorders. Although defects in DNA damage recognition and repair and mitophagy are well documented to be major factors in age-associated diseases, interactivity between these is poorly understood. Mitophagy efficiency decreases with age leading to accumulation of dysfunctional mitochondria enhancing the severity of age-related disorders including neurodegenerative diseases, inflammatory diseases, cancer, diabetes and many more. Therefore, mitophagy is being targeted for intervention in age-associated disorders. NAD+ supplementation has emerged as one intervention to target both defective DNA repair and mitophagy. In this review, we discuss the molecular signaling pathways involved in regulation of DNA damage and repair and of mitophagy, and we highlight the opportunities for clinical interventions targeting these processes to improve the quality of life during aging.
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Affiliation(s)
- Mansi Babbar
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA
| | - Sambuddha Basu
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA
| | - Beimeng Yang
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA
| | - Deborah L Croteau
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA
| | - Vilhelm A Bohr
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224, USA.
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trans-Fatty acids facilitate DNA damage-induced apoptosis through the mitochondrial JNK-Sab-ROS positive feedback loop. Sci Rep 2020; 10:2743. [PMID: 32066809 PMCID: PMC7026443 DOI: 10.1038/s41598-020-59636-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 01/29/2020] [Indexed: 12/15/2022] Open
Abstract
trans-Fatty acids (TFAs) are unsaturated fatty acids that contain one or more carbon-carbon double bonds in trans configuration. Epidemiological evidence has linked TFA consumption with various disorders, including cardiovascular diseases. However, the underlying pathological mechanisms are largely unknown. Here, we show a novel toxic mechanism of TFAs triggered by DNA damage. We found that elaidic acid (EA) and linoelaidic acid, major TFAs produced during industrial food manufacturing (so-called as industrial TFAs), but not their corresponding cis isomers, facilitated apoptosis induced by doxorubicin. Consistently, EA enhanced UV-induced embryonic lethality in C. elegans worms. The pro-apoptotic action of EA was blocked by knocking down Sab, a c-Jun N-terminal kinase (JNK)-interacting protein localizing at mitochondrial outer membrane, which mediates mutual amplification of mitochondrial reactive oxygen species (ROS) generation and JNK activation. EA enhanced doxorubicin-induced mitochondrial ROS generation and JNK activation, both of which were suppressed by Sab knockdown and pharmacological inhibition of either mitochondrial ROS generation, JNK, or Src-homology 2 domain-containing protein tyrosine phosphatase 1 (SHP1) as a Sab-associated protein. These results demonstrate that in response to DNA damage, TFAs drive the mitochondrial JNK-Sab-ROS positive feedback loop and ultimately apoptosis, which may provide insight into the common pathogenetic mechanisms of diverse TFA-related disorders.
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Jantas D, Chwastek J, Grygier B, Lasoń W. Neuroprotective Effects of Necrostatin-1 Against Oxidative Stress-Induced Cell Damage: an Involvement of Cathepsin D Inhibition. Neurotox Res 2020; 37:525-542. [PMID: 31960265 PMCID: PMC7062871 DOI: 10.1007/s12640-020-00164-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 01/07/2020] [Accepted: 01/10/2020] [Indexed: 12/14/2022]
Abstract
Necroptosis, a recently discovered form of non-apoptotic programmed cell death, can be implicated in many pathological conditions including neuronal cell death. Moreover, an inhibition of this process by necrostatin-1 (Nec-1) has been shown to be neuroprotective in in vitro and in vivo models of cerebral ischemia. However, the involvement of this type of cell death in oxidative stress–induced neuronal cell damage is less recognized. Therefore, we tested the effects of Nec-1, an inhibitor of necroptosis, in the model of hydrogen peroxide (H2O2)-induced cell damage in human neuroblastoma SH-SY5Y and murine hippocampal HT-22 cell lines. The data showed that Nec-1 (10–40 μM) attenuated the cell death induced by H2O2 in undifferentiated (UN-) and neuronal differentiated (RA-) SH-SY5Y cells with a higher efficacy in the former cell type. Moreover, Nec-1 partially reduced cell damage induced by 6-hydroxydopamine in UN- and RA-SH-SY5Y cells. The protective effect of Nec-1 was of similar magnitude as the effect of a caspase-3 inhibitor in both cell phenotypes and this effect were not potentiated after combined treatment. Furthermore, the non-specific apoptosis and necroptosis inhibitor curcumin augmented the beneficial effect of Nec-1 against H2O2-evoked cell damage albeit only in RA-SH-SY5Y cells. Next, it was found that the mechanisms of neuroprotective effect of Nec-1 against H2O2-induced cell damage in SH-SY5Y cells involved the inhibition of lysosomal protease, cathepsin D, but not caspase-3 or calpain activities. In HT-22 cells, Nec-1 was protective in two models of oxidative stress (H2O2 and glutamate) and that effect was blocked by a caspase inhibitor. Our data showed neuroprotective effects of the necroptosis inhibitor, Nec-1, against oxidative stress–induced cell damage and pointed to involvement of cathepsin D inhibition in the mechanism of its action. Moreover, a cell type–specific interplay between necroptosis and apoptosis has been demonstrated.
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Affiliation(s)
- Danuta Jantas
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology Polish Academy of Sciences, Smętna Street 12, 31-343, Kraków, Poland.
| | - Jakub Chwastek
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology Polish Academy of Sciences, Smętna Street 12, 31-343, Kraków, Poland.,Department of Neurochemistry, Maj Institute of Pharmacology Polish Academy of Sciences, Smętna Street 12, 31-343, Kraków, Poland
| | - Beata Grygier
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology Polish Academy of Sciences, Smętna Street 12, 31-343, Kraków, Poland.,Department of Immunology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7 Street, 30-387, Kraków, Poland
| | - Władysław Lasoń
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology Polish Academy of Sciences, Smętna Street 12, 31-343, Kraków, Poland
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Key necroptotic proteins are required for Smac mimetic-mediated sensitization of cholangiocarcinoma cells to TNF-α and chemotherapeutic gemcitabine-induced necroptosis. PLoS One 2020; 15:e0227454. [PMID: 31914150 PMCID: PMC6948742 DOI: 10.1371/journal.pone.0227454] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Accepted: 12/18/2019] [Indexed: 02/07/2023] Open
Abstract
Cholangiocarcinoma (CCA), a malignant tumor originating in the biliary tract, is well known to be associated with adverse clinical outcomes and high mortality rates due to the lack of effective therapy. Evasion of apoptosis is considered a key contributor to therapeutic success and chemotherapy resistance in CCA, highlighting the need for novel therapeutic strategies. In this study, we demonstrated that the induction of necroptosis, a novel regulated form of necrosis, could potentially serve as a novel therapeutic approach for CCA patients. The RNA sequencing data in The Cancer Genome Atlas (TCGA) database were analyzed and revealed that both receptor-interacting protein kinase 3 (RIPK3) and mixed lineage kinase domain-like (MLKL), two essential mediators of necroptosis, were upregulated in CCA tissues when compared with the levels in normal bile ducts. We demonstrated in a panel of CCA cell lines that RIPK3 was differentially expressed in CCA cell lines, while MLKL was more highly expressed in CCA cell lines than in nontumor cholangiocytes. We therefore showed that treatment with both tumor necrosis factor-α (TNF-α) and Smac mimetic, an inhibitor of apoptosis protein (IAP) antagonist, induced RIPK1/RIPK3/MLKL-dependent necroptosis in CCA cells when caspases were blocked. The necroptotic induction in a panel of CCA cells was correlated with RIPK3 expression. Intriguingly, we demonstrated that Smac mimetic sensitized CCA cells to a low dose of standard chemotherapy, gemcitabine, and induced necroptosis in an RIPK1/RIPK3/MLKL-dependent manner upon caspase inhibition but not in nontumor cholangiocytes. We further demonstrated that Smac mimetic and gemcitabine synergistically induced an increase in TNF-α mRNA levels and that Smac mimetic reversed gemcitabine-induced cell cycle arrest, leading to cell killing. Collectively, our present study demonstrated that TNF-α and gemcitabine induced RIPK1/RIPK3/MLKL-dependent necroptosis upon IAP depletion and caspase inhibition; therefore, our findings have pivotal implications for designing a novel necroptosis-based therapeutic strategy for CCA patients.
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Viswanathan P, Sharma Y, Maisuradze L, Tchaikovskaya T, Gupta S. Ataxia telangiectasia mutated pathway disruption affects hepatic DNA and tissue damage in nonalcoholic fatty liver disease. Exp Mol Pathol 2020; 113:104369. [PMID: 31917286 DOI: 10.1016/j.yexmp.2020.104369] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 11/27/2019] [Accepted: 01/03/2020] [Indexed: 12/26/2022]
Abstract
To overcome the rising burdens of nonalcoholic fatty liver disease, mechanistic linkages in mitochondrial dysfunction, inflammation and hepatic injury are critical. As ataxia telangiectasia mutated (ATM) gene oversees DNA integrity and mitochondrial homeostasis, we analyzed mRNAs and total proteins or phosphoproteins related to ATM gene by arrays in subjects with healthy liver, fatty liver or nonalcoholic steatohepatitis. Functional genomics approaches were used to query DNA damage or cell growth events. The effects of fatty acid-induced toxicity in mitochondrial health, DNA integrity and cell proliferation were validated in HuH-7 cells, including by inhibiting ATM kinase activity or knckdown of its mRNA. In fatty livers, DNA damage and ATM pathway activation was observed. During induced steatosis in HuH-7 cells, lowering of ATM activity produced mitochondrial dysregulation, DNA damage and cell growth inhibition. In livers undergoing steatohepatitis, ATM was depleted with increased hepatic DNA damage and growth-arrest due to cell cycle checkpoint activations. Moreover, molecular signatures of oncogenesis were associated with upstream mechanistic networks directing cell metabolism, inflammation or growth that were either activated (in fatty liver) or inactivated (in steatohepatitis). To compensate for hepatic growth arrest, preoncogenic oval cell populations expressing connexin-43 and/or albumin emerged. These oval cells avoided DNA damage and proliferated actively. We concluded that ATM is a major contributor to the onset and progression of nonalcoholic fatty liver disease. Therefore, specific markers for ATM pathway dysregulation will allow prospective segregation of cohorts for disease susceptibility and progression from steatosis to steatohepatitis. This will offer superior design and evaluation parameters for clinical trials. Restoration of ATM activity with targeted therapies should be appropriate for nonalcoholic fatty liver disease.
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Affiliation(s)
- Preeti Viswanathan
- Department of Pediatrics, Albert Einstein College of Medicine and Children's Hospital at Montefiore, Bronx, NY, United States
| | - Yogeshwar Sharma
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Luka Maisuradze
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Tatyana Tchaikovskaya
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United States; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Sanjeev Gupta
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United States; Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, United States; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY, United States; Diabetes Center, Albert Einstein College of Medicine, Bronx, NY, United States; Irwin S. and Sylvia Chanin Institute for Cancer Research, and Albert Einstein College of Medicine, Bronx, NY, United States; Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, NY, United States.
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Alanyl-glutamine Heals Indomethacin-induced Gastric Ulceration in Rats Via Antisecretory and Anti-apoptotic Mechanisms. J Pediatr Gastroenterol Nutr 2019; 69:710-718. [PMID: 31764439 DOI: 10.1097/mpg.0000000000002474] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVES Alanylglutamine (AG) is a dipeptide that fuels enterocytes and has a coadjuvant role during gut healing. The current study aimed to investigate the potential ulcer-healing effect of AG in indomethacin-induced gastropathy. METHODS Animals (n = 10 rats/group) were randomly allocated into 5 groups. Gastric ulcerated rats were administered AG, AG + dexamethasone, or pantoprazole after indomethacin exposure. RESULTS Comparable to pantoprazole, AG inhibited H-KATPase pump, and elevated the pH of gastric juice. Moreover, the dipeptide increased the serum/mucosal contents of glucagon-like peptide-1 (GLP-1), pS473-Akt, and cyclin-D1. On the contrary, AG abated serum tumor necrosis factor-α and gastric mucosal content of pS45-β catenin, pS9-GSK3β, pS133-CREB, pS536-NF-κB, H2O2, claudin-1, and caspase-3. The administration of dexamethasone before AG hampered its effect on almost all the measured parameters. CONCLUSIONS AG confers its antiulcerogenic/antisecretory potentials by repressing the proton pump to increase the gastric juice pH via boosting p-CREB, p-Akt, p-GSK-3β, and GLP-1. Also, it inhibits apoptosis through suppressing nuclear factor-kappa B/tumor necrosis factor-α/H2O2/claudin-1 cue. This trajectory contributes to loosen the tight junction priming AG-mediated GLP-1/β-catenin/cyclin-D1 that results in pronounced increase in gastric mucosa proliferation. Therefore, the crosstalk between multiple pathways orchestrates the action of AG against gastric ulceration.
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Del Re DP, Amgalan D, Linkermann A, Liu Q, Kitsis RN. Fundamental Mechanisms of Regulated Cell Death and Implications for Heart Disease. Physiol Rev 2019; 99:1765-1817. [PMID: 31364924 DOI: 10.1152/physrev.00022.2018] [Citation(s) in RCA: 554] [Impact Index Per Article: 110.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Twelve regulated cell death programs have been described. We review in detail the basic biology of nine including death receptor-mediated apoptosis, death receptor-mediated necrosis (necroptosis), mitochondrial-mediated apoptosis, mitochondrial-mediated necrosis, autophagy-dependent cell death, ferroptosis, pyroptosis, parthanatos, and immunogenic cell death. This is followed by a dissection of the roles of these cell death programs in the major cardiac syndromes: myocardial infarction and heart failure. The most important conclusion relevant to heart disease is that regulated forms of cardiomyocyte death play important roles in both myocardial infarction with reperfusion (ischemia/reperfusion) and heart failure. While a role for apoptosis in ischemia/reperfusion cannot be excluded, regulated forms of necrosis, through both death receptor and mitochondrial pathways, are critical. Ferroptosis and parthanatos are also likely important in ischemia/reperfusion, although it is unclear if these entities are functioning as independent death programs or as amplification mechanisms for necrotic cell death. Pyroptosis may also contribute to ischemia/reperfusion injury, but potentially through effects in non-cardiomyocytes. Cardiomyocyte loss through apoptosis and necrosis is also an important component in the pathogenesis of heart failure and is mediated by both death receptor and mitochondrial signaling. Roles for immunogenic cell death in cardiac disease remain to be defined but merit study in this era of immune checkpoint cancer therapy. Biology-based approaches to inhibit cell death in the various cardiac syndromes are also discussed.
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Affiliation(s)
- Dominic P Del Re
- Departments of Medicine and Cell Biology, Wilf Family Cardiovascular Research Institute, Albert Einstein Cancer Center, and Einstein-Mount Sinai Diabetes Research Center, Albert Einstein College of Medicine, Bronx, New York; Department of Cell Biology and Molecular Medicine, Cardiovascular Research Institute, Rutgers New Jersey Medical School, Newark, New Jersey; Department of Internal Medicine 3, Division of Nephrology, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany; and Department of Physiology and Biophysics, University of Washington, Seattle, Washington
| | - Dulguun Amgalan
- Departments of Medicine and Cell Biology, Wilf Family Cardiovascular Research Institute, Albert Einstein Cancer Center, and Einstein-Mount Sinai Diabetes Research Center, Albert Einstein College of Medicine, Bronx, New York; Department of Cell Biology and Molecular Medicine, Cardiovascular Research Institute, Rutgers New Jersey Medical School, Newark, New Jersey; Department of Internal Medicine 3, Division of Nephrology, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany; and Department of Physiology and Biophysics, University of Washington, Seattle, Washington
| | - Andreas Linkermann
- Departments of Medicine and Cell Biology, Wilf Family Cardiovascular Research Institute, Albert Einstein Cancer Center, and Einstein-Mount Sinai Diabetes Research Center, Albert Einstein College of Medicine, Bronx, New York; Department of Cell Biology and Molecular Medicine, Cardiovascular Research Institute, Rutgers New Jersey Medical School, Newark, New Jersey; Department of Internal Medicine 3, Division of Nephrology, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany; and Department of Physiology and Biophysics, University of Washington, Seattle, Washington
| | - Qinghang Liu
- Departments of Medicine and Cell Biology, Wilf Family Cardiovascular Research Institute, Albert Einstein Cancer Center, and Einstein-Mount Sinai Diabetes Research Center, Albert Einstein College of Medicine, Bronx, New York; Department of Cell Biology and Molecular Medicine, Cardiovascular Research Institute, Rutgers New Jersey Medical School, Newark, New Jersey; Department of Internal Medicine 3, Division of Nephrology, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany; and Department of Physiology and Biophysics, University of Washington, Seattle, Washington
| | - Richard N Kitsis
- Departments of Medicine and Cell Biology, Wilf Family Cardiovascular Research Institute, Albert Einstein Cancer Center, and Einstein-Mount Sinai Diabetes Research Center, Albert Einstein College of Medicine, Bronx, New York; Department of Cell Biology and Molecular Medicine, Cardiovascular Research Institute, Rutgers New Jersey Medical School, Newark, New Jersey; Department of Internal Medicine 3, Division of Nephrology, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany; and Department of Physiology and Biophysics, University of Washington, Seattle, Washington
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Gelles JD, Mohammed JN, Santos LC, Legarda D, Ting AT, Chipuk JE. Single-Cell and Population-Level Analyses Using Real-Time Kinetic Labeling Couples Proliferation and Cell Death Mechanisms. Dev Cell 2019; 51:277-291.e4. [PMID: 31564612 DOI: 10.1016/j.devcel.2019.08.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 06/24/2019] [Accepted: 08/23/2019] [Indexed: 12/14/2022]
Abstract
Quantifying cytostatic and cytotoxic outcomes are integral components of characterizing perturbagens used as research tools and in drug discovery pipelines. Furthermore, data-rich acquisition, coupled with robust methods for analysis, is required to properly assess the function and impact of these perturbagens. Here, we present a detailed and versatile method for single-cell and population-level analyses using real-time kinetic labeling (SPARKL). SPARKL integrates high-content live-cell imaging with automated detection and analysis of fluorescent reporters of cell death. We outline several examples of zero-handling, non-disruptive protocols for detailing cell death mechanisms and proliferation profiles. Additionally, we suggest several methods for mathematically analyzing these data to best utilize the collected kinetic data. Compared to traditional methods of detection and analysis, SPARKL is more sensitive, accurate, and high throughput while substantially eliminating sample processing and providing richer data.
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Affiliation(s)
- Jesse D Gelles
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1130, New York, NY 10029, USA; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA; Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA
| | - Jarvier N Mohammed
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1130, New York, NY 10029, USA; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA; Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA
| | - Luis C Santos
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1130, New York, NY 10029, USA; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA
| | - Diana Legarda
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA
| | - Adrian T Ting
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA; Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA
| | - Jerry E Chipuk
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1130, New York, NY 10029, USA; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA; Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA; Department of Dermatology, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA; Diabetes, Obesity, and Metabolism Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA.
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Sulforaphane-Induced Klf9/Prdx6 Axis Acts as a Molecular Switch to Control Redox Signaling and Determines Fate of Cells. Cells 2019; 8:cells8101159. [PMID: 31569690 PMCID: PMC6829349 DOI: 10.3390/cells8101159] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 09/21/2019] [Accepted: 09/26/2019] [Indexed: 12/13/2022] Open
Abstract
Sulforaphane (SFN), an activator of transcription factor Nrf2 (NFE2-related factor), modulates antioxidant defense by Nrf2-mediated regulation of antioxidant genes like Peroxiredoxin 6 (Prdx6) and affects cellular homeostasis. We previously observed that dose levels of SFN are crucial in determining life or death of lens epithelial cells (LECs). Herein, we demonstrated that higher doses of SFN (>6 μM) activated death signaling by overstimulation of Nrf2/ARE (antioxidant response element)-mediated Kruppel-like factor (Klf9) repression of Prdx6 expression, which increased reactive oxygen species (ROS) load and cell death. Mechanistically, Klf9 bound to its repressive Klf9 binding elements (RKBE; 5-CA/GCCC-3) in the Prdx6 promoter, and repressed Prdx6 transcription. Under the condition of higher dose of SFN, excessive Nrf2 abundance caused death signaling by enforcing Klf9 activation through ARE (5-RTGAYnnnGC-3) in Klf9 promoter that suppress antioxidant genes such as Prdx6 via a Klf9-dependent fashion. Klf9-depletion showed that Klf9 independently caused ROS reduction and subsequent cell survival, demonstrating that Klf9 upregulation caused cell death. Our work revealed the molecular mechanism of dose-dependent altered activity of SFN in LECs, and demonstrated that SFN activity was linked to levels of Nrf2/Klf9/Prdx6 axis. We proposed that in the development of therapeutic interventions for aging/oxidative disorders, combinations of Klf9-ShRNA and Nrf2 inducers may prove to be a promising strategy.
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The DNA-damage response and nuclear events as regulators of nonapoptotic forms of cell death. Oncogene 2019; 39:1-16. [PMID: 31462710 DOI: 10.1038/s41388-019-0980-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 08/05/2019] [Accepted: 08/09/2019] [Indexed: 12/20/2022]
Abstract
The maintenance of genome stability is essential for the cell as the integrity of genomic information guaranties reproduction of a whole organism. DNA damage occurring in response to different natural and nonnatural stimuli (errors in DNA replication, UV radiation, chemical agents, etc.) is normally detected by special cellular machinery that induces DNA repair. However, further accumulation of genetic lesions drives the activation of cell death to eliminate cells with defective genome. This particular feature is used for targeting fast-proliferating tumor cells during chemo-, radio-, and immunotherapy. Among different cell death modalities induced by DNA damage, apoptosis is the best studied. Nevertheless, nonapoptotic cell death and adaptive stress responses are also activated following genotoxic stress and play a crucial role in the outcome of anticancer therapy. Here, we provide an overview of nonapoptotic cell death pathways induced by DNA damage and discuss their interplay with cellular senescence, mitotic catastrophe, and autophagy.
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Dai YJ, Cao XF, Zhang DD, Li XF, Liu WB, Jiang GZ. Chronic inflammation is a key to inducing liver injury in blunt snout bream (Megalobrama amblycephala) fed with high-fat diet. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 97:28-37. [PMID: 30910418 DOI: 10.1016/j.dci.2019.03.009] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 03/07/2019] [Accepted: 03/18/2019] [Indexed: 06/09/2023]
Abstract
The aim of this article is to investigate the mechanism of lipotoxicity induced by high-fat diets (HFD) in Megalobrama amblycephala. In the present study, fish (average initial weight 40.0 ± 0.35 g) were fed with two fat levels (6% and 11%) diets with four replicates for 60 days. At the end of the feeding trial, fish were challenged by thioacetamide (TAA) and survival rate was recorded for the next 96 h. The result showed that long-term HFD feeding induced a significant increase (P < 0.05) in the levels of aspartate aminotransferase (GOT) and alanine aminotransferase (GPT) in plasma. In addition, liver histopathological analysis showed an increased dilation of the blood vessels, erythrocytes outside of the blood vessels and vacuolization in fish fed with high-fat diet. After TAA challenge, compared with group fed with normal-fat diets (NFD), fish fed with HFD showed a significantly (P < 0.05) low survival rate. After feeding Megalobrama amblycephala with HFD for 60 days, the protein content and gene expression of pro-inflammatory factors were significantly elevated (P < 0.05). The protein and gene relative expressions of a Caspase-3, Caspase-9 and CD68 were significantly increased (P < 0.05), while antioxidant-related enzyme activities were significantly reduced (P < 0.05) in the liver of fish fed with HFD. In addition, HFD feeding also induced genotoxicity. Comet assay showed a significantly (P < 0.05) elevated DNA damage in blunt snout bream fed with HFD. Compared with normal-fat diets (NFD) group, the protein expression of γH2AX and gene expressions involved in cell cycle arrest were significantly increased (P < 0.05) in fish fed with HFD. Data in this research showed that lipotoxicity induced by HFD was likely mediated by chronic inflammation regulating macrophage recruitment, apoptosis and DNA damage. The study was valuable to understand the mechanism by which liver injury is induced in fish fed with HFD.
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Affiliation(s)
- Yong-Jun Dai
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, Jiangsu Province, People's Republic of China
| | - Xiu-Fei Cao
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, Jiangsu Province, People's Republic of China
| | - Ding-Dong Zhang
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, Jiangsu Province, People's Republic of China
| | - Xiang-Fei Li
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, Jiangsu Province, People's Republic of China
| | - Wen-Bin Liu
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, Jiangsu Province, People's Republic of China
| | - Guang-Zhen Jiang
- Key Laboratory of Aquatic Nutrition and Feed Science of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, No. 1 Weigang Road, Nanjing, 210095, Jiangsu Province, People's Republic of China.
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