1
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Han Y, Wang C, Li X, Liang G. PARP-1 dependent cell death pathway (Parthanatos) mediates early brain injury after subarachnoid hemorrhage. Eur J Pharmacol 2024; 978:176765. [PMID: 38906236 DOI: 10.1016/j.ejphar.2024.176765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 05/31/2024] [Accepted: 06/19/2024] [Indexed: 06/23/2024]
Abstract
Subarachnoid hemorrhage (SAH) is a neurological condition with high mortality and poor prognosis, and there are currently no effective therapeutic drugs available. Poly (ADP-ribose) polymerase 1 (PARP-1) dependent cell death pathway-parthanatos is closely associated with stroke. We investigated improvements in neurological function, oxidative stress, blood-brain barrier and parthanatos-related protein expression in rats with SAH after intraperitoneal administration of PARP-1 inhibitor (AG14361). Our study found that the expression of parthanatos-related proteins was significantly increased after SAH. Immunofluorescence staining showed increased expression of apoptosis-inducing factor (AIF) in the nucleus after SAH. Administration of PARP-1 inhibitor significantly reduced malondialdehyde (MDA) level and the expression of parthanatos-related proteins. Immunofluorescence staining showed that PARP-1 inhibitor reduced the expression of 8-hydroxy-2' -deoxyguanosine (8-OHdG) and thus reduced oxidative stress. Moreover, PARP-1 inhibitor could inhibit inflammation-associated proteins level and neuronal apoptosis, protect the blood-brain barrier and significantly improve neurological function after SAH. These results suggest that PARP-1 inhibitor can significantly improve SAH, and the underlying mechanism may be through inhibiting parthanatos pathway.
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Affiliation(s)
- Yuwei Han
- Institute of Neurology, General Hospital of Northern Theater Command, China
| | - Chenchen Wang
- Institute of Neurology, General Hospital of Northern Theater Command, China
| | - Xiaoming Li
- Institute of Neurology, General Hospital of Northern Theater Command, China.
| | - Guobiao Liang
- Institute of Neurology, General Hospital of Northern Theater Command, China.
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2
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Wang CR, Gong JH, Zhao ZB, Zhu Q, Shu B, Hu JJ, Cai D, Liu XY, Dai X, Qiu C, Gong JP, Zhong GC. m 6A demethylation of FOSL1 mRNA protects hepatoma cells against necrosis under glucose deprivation. Cell Death Differ 2024; 31:1029-1043. [PMID: 38762597 DOI: 10.1038/s41418-024-01308-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 04/25/2024] [Accepted: 04/26/2024] [Indexed: 05/20/2024] Open
Abstract
Stress-adaptive mechanisms enabling cancer cells to survive under glucose deprivation remain elusive. N6-methyladenosine (m6A) modification plays important roles in determining cancer cell fate and cellular stress response to nutrient deficiency. However, whether m6A modification functions in the regulation of cancer cell survival under glucose deprivation is unknown. Here, we found that glucose deprivation reduced m6A modification levels. Increasing m6A modification resulted in increased hepatoma cell necrosis under glucose deprivation, whereas decreasing m6A modification had an opposite effect. Integrated m6A-seq and RNA-seq revealed potential targets of m6A modification under glucose deprivation, including the transcription factor FOSL1; further, glucose deprivation upregulated FOSL1 by inhibiting FOSL1 mRNA decay in an m6A-YTHDF2-dependent manner through reducing m6A modification in its exon1 and 5'-UTR regions. Functionally, FOSL1 protected hepatoma cells against glucose deprivation-induced necrosis in vitro and in vivo. Mechanistically, FOSL1 transcriptionally repressed ATF3 by binding to its promoter. Meanwhile, ATF3 and MAFF interacted via their leucine zipper domains to form a heterodimer, which competed with NRF2 for binding to antioxidant response elements in the promoters of NRF2 target genes, thereby inhibiting their transcription. Consequently, FOSL1 reduced the formation of the ATF3-MAFF heterodimer, thereby enhancing NRF2 transcriptional activity and the antioxidant capacity of glucose-deprived-hepatoma cells. Thus, FOSL1 alleviated the necrosis-inducing effect of glucose deprivation-induced reactive oxygen species accumulation. Collectively, our study uncovers the protective role of m6A-FOSL1-ATF3 axis in hepatoma cell necrosis under glucose deprivation, and may provide new targets for cancer therapy.
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Affiliation(s)
- Chun-Rui Wang
- Department of Infectious Diseases, Institute for Viral Hepatitis, the Key Laboratory of Molecular Biology for Infectious Diseases, Chinese Ministry of Education, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jun-Hua Gong
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhi-Bo Zhao
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qian Zhu
- Department of Nutrition and Epidemiology, School of Public Health, Chongqing Medical University, Chongqing, China
| | - Bian Shu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jie-Jun Hu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Dong Cai
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xin-Yi Liu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xin Dai
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chan Qiu
- Department of Gastroenterology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jian-Ping Gong
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Guo-Chao Zhong
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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Lin W, Wang X, Diao M, Wang Y, Zhao R, Chen J, Liao Y, Long Q, Meng Y. Promoting reactive oxygen species accumulation to overcome tyrosine kinase inhibitor resistance in cancer. Cancer Cell Int 2024; 24:239. [PMID: 38982494 PMCID: PMC11234736 DOI: 10.1186/s12935-024-03418-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 06/22/2024] [Indexed: 07/11/2024] Open
Abstract
BACKGROUND In tumor treatment, protein tyrosine kinase inhibitors (TKIs) have been extensively utilized. However, the efficacy of TKI is significantly compromised by drug resistance. Consequently, finding an effective solution to overcome TKI resistance becomes crucial. Reactive oxygen species (ROS) are a group of highly active molecules that play important roles in targeted cancer therapy including TKI targeted therapy. In this review, we concentrate on the ROS-associated mechanisms of TKI lethality in tumors and strategies for regulating ROS to reverse TKI resistance in cancer. MAIN BODY Elevated ROS levels often manifest during TKI therapy in cancers, potentially causing organelle damage and cell death, which are critical to the success of TKIs in eradicating cancer cells. However, it is noteworthy that cancer cells might initiate resistance pathways to shield themselves from ROS-induced damage, leading to TKI resistance. Addressing this challenge involves blocking these resistance pathways, for instance, the NRF2-KEAP1 axis and protective autophagy, to promote ROS accumulation in cells, thereby resensitizing drug-resistant cancer cells to TKIs. Additional effective approaches inducing ROS generation within drug-resistant cells and providing exogenous ROS stimulation. CONCLUSION ROS play pivotal roles in the eradication of tumor cells by TKI. Harnessing the accumulation of ROS to overcome TKI resistance is an effective and widely applicable approach.
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Affiliation(s)
- Wei Lin
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China
- Department of Thoracic Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Xiaojun Wang
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China
| | - Mingxin Diao
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China
| | - Yangwei Wang
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China
| | - Rong Zhao
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China
| | - Jiaping Chen
- Department of Cardiothoracic Surgery, Third Affiliated Hospital of Kunming Medical University (Yunnan Cancer Hospital), Kunming, Yunnan, China
| | - Yongde Liao
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China.
| | - Qinghong Long
- Department of Internal Medicine, Renmin Hospital, Wuhan University, Wuhan, 430022, China.
| | - Yunchong Meng
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Jianghan District, Wuhan, Hubei, 430022, P.R. China.
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Aioub AAA, Abdelnour SA, Hashem AS, Maher M, Abdel-Wahab SIZ, Alkeridis LA, Shukry M, Sayed SM, Elsobki AEA. Cinnamon nanoemulsion mitigates acetamiprid-induced hepatic and renal toxicity in rats: biochemical, histopathological, immunohistochemical, and molecular docking analysis. BMC Vet Res 2024; 20:256. [PMID: 38867202 PMCID: PMC11167909 DOI: 10.1186/s12917-024-04084-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 05/16/2024] [Indexed: 06/14/2024] Open
Abstract
Acetamiprid (ACDP) is a widely used neonicotinoid insecticide that is popular for its efficacy in controlling fleas in domestic settings and for pets. Our study aims to offer a comprehensive examination of the toxicological impacts of ACDP and the prophylactic effects of cinnamon nanoemulsions (CMNEs) on the pathological, immunohistochemical, and hematological analyses induced by taking ACDP twice a week for 28 days. Forty healthy rats were divided into four groups (n = 10) at random; the first group served as control rats; the second received CMNEs (2 mg/Kg body weight); the third group received acetamiprid (ACDP group; 21.7 mg/Kg body weight), and the fourth group was given both ACDP and CMNEs by oral gavage. Following the study period, tissue and blood samples were extracted and prepared for analysis. According to a GC-MS analysis, CMNEs had several bioactive ingredients that protected the liver from oxidative stress by upregulating antioxidant and anti-inflammatory agents. Our findings demonstrated that whereas ACDP treatment considerably boosted white blood cells (WBCs) and lymphocytes, it significantly lowered body weight gain (BWG), red blood cells (RBCs), hemoglobin (Hb), hematocrit (HCT), and platelets (PLT). ACDP notably reduced antioxidant enzyme activities: superoxide dismutase (SOD), glutathione peroxidase (GPx), and catalase (CAT) and elevated hydrogen peroxide and malondialdehyde levels compared with other groups. ACDP remarkably raised alanine aminotransferase (ALT), aspartate amino transaminase (AST), and alkaline phosphatase (ALP) levels.Moreover, the histopathological and immunohistochemistry assays discovered a severe toxic effect on the liver and kidney following ACDP delivery. Furthermore, cyclooxygenase 2 (COX-2) + immunoexpression was enhanced after treatment with CMNEs. All of the parameters above were returned to nearly normal levels by the coadministration of CMNEs. The molecular docking of cinnamaldehyde with COX-2 also confirmed the protective potential of CMNEs against ACDP toxicity. Our findings highlighted that the coadministration of CMNEs along with ACDP diminished its toxicity by cutting down oxidative stress and enhancing antioxidant capacity, demonstrating the effectiveness of CMNEs in lessening ACDP toxicity.
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Affiliation(s)
- Ahmed A A Aioub
- Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt.
| | - Sameh A Abdelnour
- Animal Production Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Ahmed S Hashem
- Stored Product Pests Research Department, Plant Protection Research Institute, Agricultural Research Center, Sakha, Kafr El-Sheikh, 33717, Egypt
| | - Mohamed Maher
- Department of Biochemistry, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Sarah I Z Abdel-Wahab
- Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Lamya Ahmed Alkeridis
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Mustafa Shukry
- Physiology Department, Faculty of Veterinary Medicine, kafrelsheikh University, kafrelsheikh, 33516, Egypt
| | - Samy M Sayed
- Department of Economic Entomology and Pesticides, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
- Department of Science and Technology, University College-Ranyah, Taif University, B.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Ahmed E A Elsobki
- Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
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5
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Galluzzi L, Guilbaud E, Schmidt D, Kroemer G, Marincola FM. Targeting immunogenic cell stress and death for cancer therapy. Nat Rev Drug Discov 2024; 23:445-460. [PMID: 38622310 PMCID: PMC11153000 DOI: 10.1038/s41573-024-00920-9] [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] [Accepted: 03/04/2024] [Indexed: 04/17/2024]
Abstract
Immunogenic cell death (ICD), which results from insufficient cellular adaptation to specific stressors, occupies a central position in the development of novel anticancer treatments. Several therapeutic strategies to elicit ICD - either as standalone approaches or as means to convert immunologically cold tumours that are insensitive to immunotherapy into hot and immunotherapy-sensitive lesions - are being actively pursued. However, the development of ICD-inducing treatments is hindered by various obstacles. Some of these relate to the intrinsic complexity of cancer cell biology, whereas others arise from the use of conventional therapeutic strategies that were developed according to immune-agnostic principles. Moreover, current discovery platforms for the development of novel ICD inducers suffer from limitations that must be addressed to improve bench-to-bedside translational efforts. An improved appreciation of the conceptual difference between key factors that discriminate distinct forms of cell death will assist the design of clinically viable ICD inducers.
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Affiliation(s)
- Lorenzo Galluzzi
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, USA.
- Sandra and Edward Meyer Cancer Center, New York, NY, USA.
- Caryl and Israel Englander Institute for Precision Medicine, New York, NY, USA.
| | - Emma Guilbaud
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, USA
| | | | - Guido Kroemer
- Centre de Recherche des Cordeliers, Equipe labellisée par la Ligue contre le cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France.
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, Villejuif, France.
- Institut du Cancer Paris CARPEM, Department of Biology, Hôpital Européen Georges Pompidou, AP-HP, Paris, France.
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6
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Caram DA, Inserra PIF, Vitullo AD, Leopardo NP. Autophagy favors survival of corpora lutea during the long-lasting pregnancy of the South American plains vizcacha, Lagostomus maximus (Rodentia, Caviomorpha). Sci Rep 2024; 14:11220. [PMID: 38755206 PMCID: PMC11099099 DOI: 10.1038/s41598-024-61478-5] [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: 08/30/2023] [Accepted: 05/06/2024] [Indexed: 05/18/2024] Open
Abstract
The corpus luteum (CL) is a transient endocrine gland that plays a crucial role in establishing and maintaining pregnancy. Although autophagy and apoptosis have been suggested as cooperative mechanisms, their interaction within the CL of pregnant mammals has not been thoroughly investigated. To understand the collaborative function of autophagy and apoptosis in the CL, we analyzed both mechanisms during pregnancy in the South American plains vizcacha, Lagostomus maximus. This rodent undergoes a decline in progesterone levels during mid-gestation, a reactivation of the hypothalamus-hypophysis-gonadal axis, and the incorporation of new functional secondary CL. Our analysis of autophagy markers BECLIN 1 (BECN1), SEQUESTOSOME1 (SQSTM1), Microtubule-associated protein light chain 3 (LC3B), and lysosomal-associated membrane protein 1 (LAMP1) and anti- and pro-apoptotic markers BCL2 and ACTIVE CASPASE 3 (A-C3) revealed interactive behaviors between both processes. Healthy primary and secondary CL exhibited positive expression of BECN1, SQSTM1, LC3B, and LAMP1, while regressed CL displayed enhanced expression of these autophagy markers along with nuclear A-C3. Transmission electron microscopy revealed a significant formation of autophagic vesicles in regressed CL during full-term pregnancy, whereas healthy CL exhibited a low number of autophagy vesicles. The co-localization between LC3B and SQSTM1 and LC3B with LAMP1 was observed in both healthy and regressed CL during pregnancy, while co-localization of BECN1 and BCL2 was only detected in healthy CL. LC3B and ACTIVE CASPASE 3 co-localization were detected in a subset of luteal cells within the regressing CL. We propose that autophagy could act as a survival mechanism in the CL, allowing the pregnancy to progress until full-term, while also serving as a mechanism to eliminate remnants of regressed CL, thereby providing the necessary space for subsequent follicular maturation.
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Affiliation(s)
- Daira A Caram
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimónides, Ciudad Autónoma de Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Pablo I F Inserra
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimónides, Ciudad Autónoma de Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Alfredo D Vitullo
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimónides, Ciudad Autónoma de Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Noelia P Leopardo
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimónides, Ciudad Autónoma de Buenos Aires, Argentina.
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
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7
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Liu Y, Niu R, Zhang X, Zhang B, Chen X, Guo J, Song S, Wang Y, Zhang H, Zhao Y. Metal-Organic Framework-Based Nanovaccine for Relieving Immunosuppressive Tumors via Hindering Efferocytosis of Macrophages and Promoting Pyroptosis and Cuproptosis of Cancer Cells. ACS NANO 2024; 18:12386-12400. [PMID: 38699808 DOI: 10.1021/acsnano.4c01518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
Current cancer vaccines face challenges due to an immunosuppressive tumor microenvironment and their limited ability to produce an effective immune response. To address the above limitations, we develop a 3-(2-spiroadamantyl)-4-methoxy-4-(3-phosphoryloxy)-phenyl-1,2-dioxetane (alkaline phosphatase substrate) and XMD8-92 (extracellular signal-regulated kinase 5 inhibitor)-codelivered copper-tetrahydroxybenzoquinone (Cu-THBQ/AX) nanosized metal-organic framework to in situ-generate therapeutic vaccination. Once inside the early endosome, the alkaline phosphatase overexpressed in the tumor cells' membrane activates the in situ type I photodynamic effect of Cu-THBQ/AX for generating •O2-, and the Cu-THBQ/AX catalyzes O2 and H2O2 to •O2- and •OH via semiquinone radical catalysis and Fenton-like reactions. This surge of ROS in early endosomes triggers caspase-3-mediated proinflammatory pyroptosis via activating phospholipase C. Meanwhile, Cu-THBQ/AX can also induce the oligomerization of dihydrolipoamide S-acetyltransferase to trigger tumor cell cuproptosis. The production of •OH could also trigger the release of XMD8-92 for effectively inhibiting the efferocytosis of macrophages to convert immunosuppressive apoptosis of cancer cells into proinflammatory secondary necrosis. The simultaneous induction of pyroptosis, cuproptosis, and secondary necrosis effectively converts the tumor microenvironment from "cold" to "hot" conditions, making it an effective antigen pool. This transformation successfully activates the antitumor immune response, inhibiting tumor growth and metastasis.
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Affiliation(s)
- Yang Liu
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Rui Niu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
| | - Xiaodong Zhang
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Bin Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
| | - Xiaokai Chen
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Jingjing Guo
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Shuyan Song
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
| | - Yinghui Wang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
| | - Hongjie Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
| | - Yanli Zhao
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
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8
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Han J, Zhu Y, Zhang J, Kapilevich L, Zhang XA. Noncoding RNAs: the crucial role of programmed cell death in osteoporosis. Front Cell Dev Biol 2024; 12:1409662. [PMID: 38799506 PMCID: PMC11116712 DOI: 10.3389/fcell.2024.1409662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Accepted: 04/26/2024] [Indexed: 05/29/2024] Open
Abstract
Osteoporosis is the most common skeletal disease characterized by an imbalance between bone resorption and bone remodeling. Osteoporosis can lead to bone loss and bone microstructural deterioration. This increases the risk of bone fragility and fracture, severely reducing patients' mobility and quality of life. However, the specific molecular mechanisms involved in the development of osteoporosis remain unclear. Increasing evidence suggests that multiple noncoding RNAs show differential expression in the osteoporosis state. Meanwhile, noncoding RNAs have been associated with an increased risk of osteoporosis and fracture. Noncoding RNAs are an important class of factors at the level of gene regulation and are mainly involved in cell proliferation, cell differentiation, and cell death. Programmed cell death is a genetically-regulated form of cell death involved in regulating the homeostasis of the internal environment. Noncoding RNA plays an important role in the programmed cell death process. The exploration of the noncoding RNA-programmed cell death axis has become an interesting area of research and has been shown to play a role in many diseases such as osteoporosis. In this review, we summarize the latest findings on the mechanism of noncoding RNA-mediated programmed cell death on bone homeostasis imbalance leading to osteoporosis. And we provide a deeper understanding of the role played by the noncoding RNA-programmed cell death axis at the gene regulatory level of osteoporosis. We hope to provide a unique opportunity to develop novel diagnostic and therapeutic approaches for osteoporosis.
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Affiliation(s)
- Juanjuan Han
- College of Exercise and Health, Shenyang Sport University, Shenyang, China
| | - Yuqing Zhu
- College of Exercise and Health, Shenyang Sport University, Shenyang, China
| | - Jiale Zhang
- College of Exercise and Health, Shenyang Sport University, Shenyang, China
| | - Leonid Kapilevich
- Faculty of Physical Education, Tomsk Stаte University, Tomsk, Russia
| | - Xin-an Zhang
- College of Exercise and Health, Shenyang Sport University, Shenyang, China
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9
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Zhao X, Du M, Wu S, Du Z, Liu S, Yang L, Ma H, Zhang L, Song L, Bai C, Su G, Li G. High histone crotonylation modification in bovine fibroblasts promotes cell proliferation and the developmental efficiency of preimplantation nuclear transfer embryos. Sci Rep 2024; 14:10295. [PMID: 38704415 PMCID: PMC11069573 DOI: 10.1038/s41598-024-61148-6] [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] [Accepted: 05/02/2024] [Indexed: 05/06/2024] Open
Abstract
Lysine crotonylation (Kcr) is a recently discovered histone acylation modification that is closely associated with gene expression, cell proliferation, and the maintenance of stem cell pluripotency and indicates the transcriptional activity of genes and the regulation of various biological processes. During cell culture, the introduction of exogenous croconic acid disodium salt (Nacr) has been shown to modulate intracellular Kcr levels. Although research on Kcr has increased, its role in cell growth and proliferation and its potential regulatory mechanisms remain unclear compared to those of histone methylation and acetylation. Our investigation demonstrated that the addition of 5 mM Nacr to cultured bovine fibroblasts increased the expression of genes associated with Kcr modification, ultimately promoting cell growth and stimulating cell proliferation. Somatic cell nuclear transfer of donor cells cultured in 5 mM Nacr resulted in 38.1% blastocyst development, which was significantly greater than that in the control group (25.2%). This research is important for elucidating the crotonylation modification mechanism in fibroblast proliferation to promote the efficacy of somatic cell nuclear transfer.
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Affiliation(s)
- Xiaoyu Zhao
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
- College of Life Sciences, Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
| | - Mengxin Du
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
- College of Life Sciences, Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
| | - Shanshan Wu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518000, China
| | - Zhiwen Du
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
- College of Life Sciences, Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
| | - Shuqin Liu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
- College of Life Sciences, Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
| | - Lei Yang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
- College of Life Sciences, Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
| | - Haoran Ma
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Liguo Zhang
- Ulanqab Agriculture and Animal Husbandry Bureau, Ulanqab Animal Husbandry Workstation, Ulanqab, 012000, Inner Mongolia, China
| | - Lishuang Song
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
- College of Life Sciences, Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
| | - Chunling Bai
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
- College of Life Sciences, Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China
| | - Guanghua Su
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China.
- College of Life Sciences, Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China.
| | - Guangpeng Li
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China.
- College of Life Sciences, Inner Mongolia University, 24 Zhaojun Rd., Hohhot, 010070, China.
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10
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Chang X, Wang B, Zhao Y, Deng B, Liu P, Wang Y. The role of IFI16 in regulating PANoptosis and implication in heart diseases. Cell Death Discov 2024; 10:204. [PMID: 38693141 PMCID: PMC11063201 DOI: 10.1038/s41420-024-01978-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 05/03/2024] Open
Abstract
Interferon Gamma Inducible Protein 16 (IFI16) belongs to the HIN-200 protein family and is pivotal in immunological responses. Serving as a DNA sensor, IFI16 identifies viral and aberrant DNA, triggering immune and inflammatory responses. It is implicated in diverse cellular death mechanisms, such as pyroptosis, apoptosis, and necroptosis. Notably, these processes are integral to the emergent concept of PANoptosis, which encompasses cellular demise and inflammatory pathways. Current research implies a significant regulatory role for IFI16 in PANoptosis, particularly regarding cardiac pathologies. This review delves into the complex interplay between IFI16 and PANoptosis in heart diseases, including atherosclerosis, myocardial infarction, heart failure, and diabetic cardiomyopathy. It synthesizes evidence of IFI16's impact on PANoptosis, with the intention of providing novel insights for therapeutic strategies targeting heart diseases.
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Affiliation(s)
- Xindi Chang
- Department of Cardiology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wan-Ping Road, Shanghai, China
| | - Bei Wang
- Department of Emergency, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wan-Ping Road, Shanghai, China
| | - Yingli Zhao
- Department of Cardiology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wan-Ping Road, Shanghai, China
| | - Bing Deng
- Department of Cardiology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wan-Ping Road, Shanghai, China
| | - Ping Liu
- Department of Cardiology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wan-Ping Road, Shanghai, China.
| | - Yiru Wang
- Department of Cardiology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wan-Ping Road, Shanghai, China.
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11
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Mahboub HH, Gad WM, Aziz EK, Nasr MA, Fahmy EM, Mansour DM, Rasheed N, Ali HS, Ismail SH, Abdel Rahman AN. Silica nanoparticles alleviate the immunosuppression, oxidative stress, biochemical, behavioral, and histopathological alterations induced by Aeromonas veronii infection in African catfish (Clarias gariepinus). FISH PHYSIOLOGY AND BIOCHEMISTRY 2024; 50:767-783. [PMID: 38060081 PMCID: PMC11021351 DOI: 10.1007/s10695-023-01274-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 11/24/2023] [Indexed: 12/08/2023]
Abstract
In the aquaculture industry, silica nanoparticles (SiNPs) have great significance, mainly for confronting diseases. Therefore, the present study aims to assess the antibacterial efficiency of SiNPs as a versatile trial against Aeromonas veronii infection in African catfish (Clarias gariepinus). Further, we investigated the influence of SiNPs in palliating the immune-antioxidant stress biochemical, ethological, and histopathological alterations induced by A. veronii. The experiment was conducted for 10 days, and about 120 fish were distributed into four groups at random, with 30 fish each. The first group is a control that was neither exposed to infection nor SiNPs. The second group (SiNPs) was vulnerable to SiNPs at a concentration of 20 mg/L in water. The third group was experimentally infected with A. veronii at a concentration of 1.5 × 107 CFU/mL. The fourth group (A. veronii + SiNPs) was exposed to SiNPs and infected with A. veronii. Results outlined that A. veronii infection induced behavioral alterations and suppression of immune-antioxidant responses that appeared as a clear decline in protein profile indices, complement 3, lysozyme activity, glutathione peroxidase, and total antioxidant capacity. The kidney and liver function biomarkers (creatinine, urea, alkaline phosphatase, and alanine aminotransferase) and lipid peroxide (malondialdehyde) were substantially increased in the A. veronii group, with marked histopathological changes and immunohistochemical alterations in these tissues. Interestingly, the exposure to SiNPs resulted in a clear improvement in all measured biomarkers and a noticeable regeneration of the histopathological changes. Overall, it will establish that SiNPs are a new, successful tool for opposing immunological, antioxidant, physiological, and histopathological alterations induced by A. veronii infection.
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Affiliation(s)
- Heba H Mahboub
- Department of Aquatic Animal Medicine, Faculty of Veterinary Medicine, Zagazig University, Box 44511, Sharkia, Zagazig, PO, Egypt.
| | - Wafaa M Gad
- Department of Bacteriology, Animal Health Research Institute (AHRI) (Mansoura Branch), Agriculture Research Center (ARC), Box 246 Dokki, Giza, PO, 12618, Egypt
| | - Enas K Aziz
- Department of Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, University of Sadat, Box 32897, Menofia, Sadat City, PO, Egypt
| | - Mona Abdelghany Nasr
- Department of Anatomy and Embryology, Faculty of Veterinary Medicine, University of Sadat City, Box 32897, Menofia, Sadat City, PO, Egypt
| | - Esraa M Fahmy
- Department of Pharmacology, Faculty of Veterinary Medicine, Zagazig University, Box 44511, Sharkia, Zagazig, PO, Egypt
| | - Dina Mohamed Mansour
- Department of Fish Diseases and Management, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC) (Hurghada branch), Box 246 Dokki, Giza, PO, 12618, Egypt
| | - Nesma Rasheed
- Department of Pathology, Animal Health Research Institute (AHRI) (Mansoura Branch), Agriculture Research Center (ARC), Box 246 Dokki, Giza, PO, 12618, Egypt
| | - Hanaa S Ali
- Department of Pathology, Animal Health Research Institute (AHRI) (Mansoura Branch), Agriculture Research Center (ARC), Box 246 Dokki, Giza, PO, 12618, Egypt
| | - Sameh H Ismail
- Faculty of Nanotechnology for Postgraduate Studies, Cairo University, Sheikh Zayed Branch Campus, Sheikh Zayed City, Box 12588, Giza, PO, Egypt
| | - Afaf N Abdel Rahman
- Department of Aquatic Animal Medicine, Faculty of Veterinary Medicine, Zagazig University, Box 44511, Sharkia, Zagazig, PO, Egypt.
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12
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Kawakatsu R, Tadagaki K, Yamasaki K, Yoshida T. Venetoclax efficacy on acute myeloid leukemia is enhanced by the combination with butyrate. Sci Rep 2024; 14:4975. [PMID: 38424468 PMCID: PMC10904797 DOI: 10.1038/s41598-024-55286-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 02/22/2024] [Indexed: 03/02/2024] Open
Abstract
Venetoclax has been approved recently for treatment of Acute myeloid leukemia (AML). Venetoclax is a BH3-mimetic and induces apoptosis via Bcl-2 inhibition. However, venetoclax's effect is still restrictive and a novel strategy is needed. In the present study, we demonstrate that sodium butyrate (NaB) facilitates the venetoclax's efficacy of cell death in AML cells. As a single agent, NaB or venetoclax exerted just a weak effect on cell death induction for AML cell line KG-1. The combination with NaB and venetoclax drastically induced cell death. NaB upregulated pro-apoptotic factors, Bax and Bak, indicating the synergistic effect by the collaboration with Bcl-2 inhibition by venetoclax. The combined treatment with NaB and venetoclax strongly cleaved a caspase substrate poly (ADP-ribose) polymerase (PARP) and a potent pan-caspase inhibitor Q-VD-OPh almost completely blocked the cell death induced by the combination, meaning that the combination mainly induced apoptosis. The combination with NaB and venetoclax also strongly induced cell death in another AML cell line SKNO-1 but did not affect chronic myeloid leukemia (CML) cell line K562, indicating that the effect was specific for AML cells. Our results provide a novel strategy to strengthen the effect of venetoclax for AML treatment.
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Affiliation(s)
- Renshi Kawakatsu
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Kenjiro Tadagaki
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Kenta Yamasaki
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Tatsushi Yoshida
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan.
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13
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Chhillar B, Kadian R, Kumar M, Yadav M, Sodhi N, Xavier da Silva TN, Friedmann Angeli JP, Singh VP. Aminic Organoselenium Compounds as Glutathione Peroxidase Mimics and Inhibitors of Ferroptosis. Chembiochem 2024; 25:e202400074. [PMID: 38293899 DOI: 10.1002/cbic.202400074] [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: 10/23/2023] [Revised: 12/03/2023] [Accepted: 01/29/2024] [Indexed: 02/01/2024]
Abstract
The synthesis of diarylamine-based organoselenium compounds via the nucleophilic substitution reactions has been described. Symmetrical monoselenides and diselenides were conveniently synthesized by the reduction of their corresponding selenocyanates using sodium borohydride. Selenocyanates were obtained from 2-chloro acetamides by the nucleophilic displacement with potassium selenocyanate. Selenides were synthesized by treating the 2-chloro acetamides with in situ generated sodium butyl selenolate as nucleophile. Further, the newly synthesized organoselenium compounds were evaluated for their glutathione peroxidase (GPx)-like activity in thiophenol assay. This study revealed that the methoxy-substituted organoselenium compounds showed significant effect on the GPx-like activity. The catalytic parameters for the most efficient catalysts were also determined. The anti-ferroptotic activity for all GPx-mimics evaluated in a 4-OH-tamoxifen (TAM) inducible GPx4 knockout cell line using liproxstatin as standard.
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Affiliation(s)
- Babli Chhillar
- Department of Chemistry & Centre of Advanced Studies in Chemistry, Panjab University, Sector-14, Chandigarh, 160 014, India
| | - Rajni Kadian
- Department of Chemistry & Centre of Advanced Studies in Chemistry, Panjab University, Sector-14, Chandigarh, 160 014, India
| | - Manish Kumar
- Department of Chemistry & Centre of Advanced Studies in Chemistry, Panjab University, Sector-14, Chandigarh, 160 014, India
| | - Manisha Yadav
- Department of Chemistry & Centre of Advanced Studies in Chemistry, Panjab University, Sector-14, Chandigarh, 160 014, India
| | - Nikhil Sodhi
- Department of Chemistry & Centre of Advanced Studies in Chemistry, Panjab University, Sector-14, Chandigarh, 160 014, India
| | - Thamara Nishida Xavier da Silva
- Rudolf Virchow Zentrum, Centre for Integrative and Translational Bioimaging, Julius-Maximillian, University of Wurzburg, 97080, Wurzburg, Germany
| | - Jose Pedro Friedmann Angeli
- Rudolf Virchow Zentrum, Centre for Integrative and Translational Bioimaging, Julius-Maximillian, University of Wurzburg, 97080, Wurzburg, Germany
| | - Vijay P Singh
- Department of Chemistry & Centre of Advanced Studies in Chemistry, Panjab University, Sector-14, Chandigarh, 160 014, India
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14
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Agafonova LE, Zhdanov DD, Gladilina YA, Shishparenok AN, Shumyantseva VV. Electrochemical approach for the analysis of DNA degradation in native DNA and apoptotic cells. Heliyon 2024; 10:e25602. [PMID: 38371963 PMCID: PMC10873663 DOI: 10.1016/j.heliyon.2024.e25602] [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: 10/02/2023] [Revised: 01/30/2024] [Accepted: 01/30/2024] [Indexed: 02/20/2024] Open
Abstract
The aim of this work was to develop an electrochemical approach for the analysis of DNA degradation and fragmentation in apoptotic cells. DNA damage is considered one of the major causes of human diseases. We analyzed the cleavage processes of the circular plasmid pTagGFP2-N and calf thymus DNA, which were exposed to restriction endonucleases (the restriction endonucleases BstMC I and AluB I and the nonspecific endonuclease I). Genomic DNA from the leukemia K562 cell line was used as a marker of the early and late (mature) stages of apoptosis. Registration of direct electrochemical oxidation of nucleobases of DNA molecules subjected to restriction endonuclease or apoptosis processes was proposed for the detection of these biochemical events. Label-free differential pulse voltammetry (DPV) has been used to measure endonuclease activities and DNA damage using carbon nanotube-modified electrodes. The present DPV technique provides a promising platform for high-throughput screening of DNA hydrolases and for registering the efficiency of apoptotic processes. DPV comparative analysis of the circular plasmid pTagGFP2-N in its native supercoiled state and plasmids restricted to 4 and 23 parts revealed significant differences in their electrochemical behavior. Electrochemical analysis was fully confirmed by means of traditional methods of DNA analysis and registration of apoptotic process, such as gel electrophoresis and flow cytometry.
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Affiliation(s)
- Lyubov E. Agafonova
- Institute of Biomedical Chemistry, Pogodinskaya St. 10/8, 119121, Moscow, Russia
| | - Dmitry D. Zhdanov
- Institute of Biomedical Chemistry, Pogodinskaya St. 10/8, 119121, Moscow, Russia
- Department of Biochemistry, Рeoples’ Friendship University of Russia Named After Patrice Lumumba (RUDN University), Miklukho-Maklaya St. 6, 117198, Moscow, Russia
| | - Yulia A. Gladilina
- Institute of Biomedical Chemistry, Pogodinskaya St. 10/8, 119121, Moscow, Russia
| | | | - Victoria V. Shumyantseva
- Institute of Biomedical Chemistry, Pogodinskaya St. 10/8, 119121, Moscow, Russia
- Department of Biochemistry, Pirogov Russian National Research Medical University, Ostrovitianova St. 1, 117997, Moscow, Russia
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15
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Yamaga S, Aziz M, Murao A, Brenner M, Wang P. DAMPs and radiation injury. Front Immunol 2024; 15:1353990. [PMID: 38333215 PMCID: PMC10850293 DOI: 10.3389/fimmu.2024.1353990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 01/15/2024] [Indexed: 02/10/2024] Open
Abstract
The heightened risk of ionizing radiation exposure, stemming from radiation accidents and potential acts of terrorism, has spurred growing interests in devising effective countermeasures against radiation injury. High-dose ionizing radiation exposure triggers acute radiation syndrome (ARS), manifesting as hematopoietic, gastrointestinal, and neurovascular ARS. Hematopoietic ARS typically presents with neutropenia and thrombocytopenia, while gastrointestinal ARS results in intestinal mucosal injury, often culminating in lethal sepsis and gastrointestinal bleeding. This deleterious impact can be attributed to radiation-induced DNA damage and oxidative stress, leading to various forms of cell death, such as apoptosis, necrosis and ferroptosis. Damage-associated molecular patterns (DAMPs) are intrinsic molecules released by cells undergoing injury or in the process of dying, either through passive or active pathways. These molecules then interact with pattern recognition receptors, triggering inflammatory responses. Such a cascade of events ultimately results in further tissue and organ damage, contributing to the elevated mortality rate. Notably, infection and sepsis often develop in ARS cases, further increasing the release of DAMPs. Given that lethal sepsis stands as a major contributor to the mortality in ARS, DAMPs hold the potential to function as mediators, exacerbating radiation-induced organ injury and consequently worsening overall survival. This review describes the intricate mechanisms underlying radiation-induced release of DAMPs. Furthermore, it discusses the detrimental effects of DAMPs on the immune system and explores potential DAMP-targeting therapeutic strategies to alleviate radiation-induced injury.
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Affiliation(s)
- Satoshi Yamaga
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Monowar Aziz
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Departments of Surgery and Molecular Medicine, Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Atsushi Murao
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Max Brenner
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Departments of Surgery and Molecular Medicine, Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Ping Wang
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Departments of Surgery and Molecular Medicine, Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
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16
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Nishida H, Albero AB, Onoue K, Ikegawa Y, Sulekh S, Sakizli U, Minami Y, Yonemura S, Wang YC, Yoo SK. Necrosensor: a genetically encoded fluorescent sensor for visualizing necrosis in Drosophila. Biol Open 2024; 13:bio060104. [PMID: 38156558 PMCID: PMC10836653 DOI: 10.1242/bio.060104] [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: 08/04/2023] [Accepted: 12/15/2023] [Indexed: 12/30/2023] Open
Abstract
Historically, necrosis has been considered a passive process, which is induced by extreme stress or damage. However, recent findings of necroptosis, a programmed form of necrosis, shed a new light on necrosis. It has been challenging to detect necrosis reliably in vivo, partly due to the lack of genetically encoded sensors to detect necrosis. This is in stark contrast with the availability of many genetically encoded biosensors for apoptosis. Here we developed Necrosensor, a genetically encoded fluorescent sensor that detects necrosis in Drosophila, by utilizing HMGB1, which is released from the nucleus as a damage-associated molecular pattern (DAMP). We demonstrate that Necrosensor is able to detect necrosis induced by various stresses in multiple tissues in both live and fixed conditions. Necrosensor also detects physiological necrosis that occurs during spermatogenesis in the testis. Using Necrosensor, we discovered previously unidentified, physiological necrosis of hemocyte progenitors in the hematopoietic lymph gland of developing larvae. This work provides a new transgenic system that enables in vivo detection of necrosis in real time without any intervention.
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Affiliation(s)
- Hiroshi Nishida
- Division of Cell Physiology, Graduate School of Medicine, Kobe University, Kobe, 650-0017, Japan
- Physiological Genetics Laboratory, RIKEN CPR, Kobe, 650-0047, Japan
| | | | - Kenta Onoue
- Laboratory for Ultrastructural Research, RIKEN BDR, Kobe, 650-0047, Japan
| | - Yuko Ikegawa
- Laboratory of Molecular Cell Biology and Development, Kyoto University, Kobe, 650-0047, Japan
- Laboratory for Homeodynamics, RIKEN BDR, Kobe, 650-0047, Japan
| | - Shivakshi Sulekh
- Laboratory for Homeodynamics, RIKEN BDR, Kobe, 650-0047, Japan
- Division of Developmental Biology and Regenerative Medicine, Graduate School of Medicine, Kobe University, Kobe, 650-0047, Japan
| | - Ugurcan Sakizli
- Laboratory for Homeodynamics, RIKEN BDR, Kobe, 650-0047, Japan
- Division of Developmental Biology and Regenerative Medicine, Graduate School of Medicine, Kobe University, Kobe, 650-0047, Japan
| | - Yasuhiro Minami
- Division of Cell Physiology, Graduate School of Medicine, Kobe University, Kobe, 650-0017, Japan
| | - Shigenobu Yonemura
- Laboratory for Ultrastructural Research, RIKEN BDR, Kobe, 650-0047, Japan
- Department of Cell Biology, Tokushima University Graduate School of Medicine, Tokushima, 770-8503, Japan
| | - Yu-Chiun Wang
- Laboratory for Epithelial Morphogenesis, RIKEN BDR, Kobe, 650-0047, Japan
| | - Sa Kan Yoo
- Physiological Genetics Laboratory, RIKEN CPR, Kobe, 650-0047, Japan
- Laboratory for Homeodynamics, RIKEN BDR, Kobe, 650-0047, Japan
- Division of Developmental Biology and Regenerative Medicine, Graduate School of Medicine, Kobe University, Kobe, 650-0047, Japan
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17
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Guez JS, Lacroix PY, Château T, Vial C. Deep in situ microscopy for real-time analysis of mammalian cell populations in bioreactors. Sci Rep 2023; 13:22045. [PMID: 38086908 PMCID: PMC10716407 DOI: 10.1038/s41598-023-48733-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
An in situ microscope based on pulsed transmitted light illumination via optical fiber was combined to artificial-intelligence to enable for the first time an online cell classification according to well-known cellular morphological features. A 848 192-image database generated during a lab-scale production process of antibodies was processed using a convolutional neural network approach chosen for its accurate real-time object detection capabilities. In order to induce different cell death routes, hybridomas were grown in normal or suboptimal conditions in a stirred tank reactor, in the presence of substrate limitation, medium addition, pH regulation problem or oxygen depletion. Using such an optical system made it possible to monitor real-time the evolution of different classes of animal cells, among which viable, necrotic and apoptotic cells. A class of viable cells displaying bulges in feast or famine conditions was also revealed. Considered as a breakthrough in the catalogue of process analytical tools, in situ microscopy powered by artificial-intelligence is also of great interest for research.
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Affiliation(s)
- Jean-Sébastien Guez
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, Institut Pascal, 63 000, Clermont-Ferrand, France.
| | - Pierre-Yves Lacroix
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, Institut Pascal, 63 000, Clermont-Ferrand, France
- Logiroad.AI, 63 178, Aubière, France
| | - Thierry Château
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, Institut Pascal, 63 000, Clermont-Ferrand, France
- Logiroad.AI, 63 178, Aubière, France
| | - Christophe Vial
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, Institut Pascal, 63 000, Clermont-Ferrand, France
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18
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Yoshida T, Yamasaki K, Tadagaki K. Caspase inhibition improves viability and efficiency of liposomal transfection. Sci Rep 2023; 13:21868. [PMID: 38072861 PMCID: PMC10711006 DOI: 10.1038/s41598-023-49027-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 12/03/2023] [Indexed: 12/18/2023] Open
Abstract
High transfection efficiency is the most important point for experiments of DNA and RNA introduction into cells. Decrease of cell viability during the transfection procedure is a crucial issue, resulting in transfection failure. However, the mechanism underlying cell growth inhibition has not been fully elucidated. Lipofection is frequently used for transfection experiments, whereases, depending on cell type, it causes a decrease in cell viability. The present study demonstrates here that a potent pan-caspase inhibitor Q-VD-OPh blocked cell death during the lipofection, indicating apoptosis was induced in lipofection. Moreover, Q-VD-OPh drastically increased transfected cells. This method provides easier and more effective transfection system of lipofection and may be useful for transfection of not only cell lines but also clinical uses such as gene therapy and nucleic acids vaccine.
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Affiliation(s)
- Tatsushi Yoshida
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan.
| | - Kenta Yamasaki
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Kenjiro Tadagaki
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
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19
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Teng Y, Gao L, Mäkitie AA, Florek E, Czarnywojtek A, Saba NF, Ferlito A. Iron, Ferroptosis, and Head and Neck Cancer. Int J Mol Sci 2023; 24:15127. [PMID: 37894808 PMCID: PMC10606477 DOI: 10.3390/ijms242015127] [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: 09/16/2023] [Revised: 10/05/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Ferroptosis is an iron-dependent regulatory form of cell death characterized by the accumulation of intracellular reactive oxygen species and lipid peroxidation. It plays a critical role not only in promoting drug resistance in tumors, but also in shaping therapeutic approaches for various malignancies. This review aims to elucidate the relationship between ferroptosis and head and neck cancer treatment by discussing its conceptual framework, mechanism of action, functional aspects, and implications for tumor therapy. In addition, this review consolidates strategies aimed at improving the efficacy of head and neck cancer treatment through modulation of ferroptosis, herein serving as a valuable reference for advancing the treatment landscape for this patient population.
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Affiliation(s)
- Yong Teng
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA;
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30322, USA
| | - Lixia Gao
- College of Pharmaceutical Sciences and Chinese Medicine, Southwest University, Chongqing 400715, China;
| | - Antti A. Mäkitie
- Department of Otorhinolaryngology-Head and Neck Surgery, Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki and Helsinki University Hospital, FI-00014 Helsinki, Finland;
| | - Ewa Florek
- Laboratory of Environmental Research, Department of Toxicology, Poznan University of Medical Sciences, 60-631 Poznan, Poland;
| | - Agata Czarnywojtek
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806 Poznan, Poland;
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-355 Poznan, Poland
| | - Nabil F. Saba
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA;
| | - Alfio Ferlito
- Coordinator of the International Head and Neck Scientific Group, 35125 Padua, Italy;
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Qin Y, Wan W, Li J, Wang Z, Yang Y, Li J, Ma H, Yu Z, Xiang Z, Zhang Y. A novel Fas ligand plays an important role in cell apoptosis of Crassostrea hongkongensis: molecular cloning, expression profiles and functional identification of ChFasL. Front Immunol 2023; 14:1267772. [PMID: 37868973 PMCID: PMC10585096 DOI: 10.3389/fimmu.2023.1267772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 09/06/2023] [Indexed: 10/24/2023] Open
Abstract
Background Apoptosis regulates normal development, homeostasis, immune tolerance and response to environmental stress by eliminating unwanted or diseased cells, and plays a key role in non-specific immunity of invertebrates. The exogenous pathway mediated by death receptors and death ligands is a very important pathway for cell apoptosis. Death ligands are mainly members of the tumour necrosis factor (TNF) family, of which FasL is an important member. The deep involvement of FasL in vertebrates cell apoptosis and immunity has been reported many times, but there is limited research on the FasL gene in shellfish, and its functional importance in oyster cell apoptosis and immunity remains unclear. Methods The full length of ChFasL was identified and cloned based on the genome of Crassostrea hongkongensis. Quantitative PCR was used to detect the relative expression of ChFasL in different developmental stages and tissues, as well as the changes of relative expression in hemocytes after bacterial infection. The expression position of ChFasL in HEK293T cells was also located by subcellular localization, and the effect of increased recombinant protein content on the activity of reporter genes p53 and p21 was studied by dual-fluorescence reporter gene. Finally, the changes of apoptosis rate in hemocytes after ChFasL silencing was identified by RNA interference technology. Results We identified a novel FasL gene from C. hongkongensis and named it ChFasL. We found that ChFasL has potential N-linked glycosylation site, a transmembrane domain and a TNF region, which was a typical characteristics of TNF family. ChFasL was expressed in all developmental stages of larvae and in all tissues of oysters. After stimulation by V. alginolyticus or S. haemolyticus, its relative expression in hemocytes increased significantly, suggesting that ChFasL was deeply engaged in the immune response process of C. hongkongensis to external microbial stimulation. The results of subcellular localization showed that ChFasL was mainly distributed in the cytoplasm of HEK293T cells. With the overexpression of the recombinant protein pcDNA3 1- ChFasL, the activity of p53 and p21 significantly increased, showing a positive regulatory effect. Moreover, after dsRNA successfully reduced the relative expression of ChFasL, the apoptosis rate of hemocytes was significantly lower than that the dsGFP group. Conclusion These results comprehensively confirmed the important role of ChFasL in the apoptosis process of C. hongkongensis, which provided the basis and premise for the in-depth understanding of the immune function of apoptosis in molluscs, and also contributed to the research on the pathogenic death mechanism and disease resistance breeding of marine bivalves.
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Affiliation(s)
- Yanping Qin
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- Hainan Provincial Key Laboratory of Tropical Marine Biology Technology, Sanya Research Institute of Marine Ecological Environment Engineering, Tropical Marine Biological Research Station in Hainan, Chinese Academy of Sciences, Sanya, China
- Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, China
| | - Weitao Wan
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jiangwei Li
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Zhongyu Wang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Yue Yang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Jun Li
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- Hainan Provincial Key Laboratory of Tropical Marine Biology Technology, Sanya Research Institute of Marine Ecological Environment Engineering, Tropical Marine Biological Research Station in Hainan, Chinese Academy of Sciences, Sanya, China
- Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, China
| | - Haitao Ma
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- Hainan Provincial Key Laboratory of Tropical Marine Biology Technology, Sanya Research Institute of Marine Ecological Environment Engineering, Tropical Marine Biological Research Station in Hainan, Chinese Academy of Sciences, Sanya, China
- Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, China
| | - Ziniu Yu
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- Hainan Provincial Key Laboratory of Tropical Marine Biology Technology, Sanya Research Institute of Marine Ecological Environment Engineering, Tropical Marine Biological Research Station in Hainan, Chinese Academy of Sciences, Sanya, China
- Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Zhiming Xiang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- Hainan Provincial Key Laboratory of Tropical Marine Biology Technology, Sanya Research Institute of Marine Ecological Environment Engineering, Tropical Marine Biological Research Station in Hainan, Chinese Academy of Sciences, Sanya, China
- Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yuehuan Zhang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- Hainan Provincial Key Laboratory of Tropical Marine Biology Technology, Sanya Research Institute of Marine Ecological Environment Engineering, Tropical Marine Biological Research Station in Hainan, Chinese Academy of Sciences, Sanya, China
- Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
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Chen Y, Guo X, Zeng Y, Mo X, Hong S, He H, Li J, Steinmetz R, Liu Q. Ferroptosis contributes to catecholamine-induced cardiotoxicity and pathological remodeling. Free Radic Biol Med 2023; 207:227-238. [PMID: 37499888 PMCID: PMC10529955 DOI: 10.1016/j.freeradbiomed.2023.07.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/06/2023] [Accepted: 07/24/2023] [Indexed: 07/29/2023]
Abstract
High levels of circulating catecholamines cause cardiac injury, pathological remodeling, and heart failure, but the underlying mechanisms remain elusive. Here we provide both in vitro and in vivo evidence that excessive β-adrenergic stimulation induces ferroptosis in cardiomyocytes, revealing a novel mechanism for catecholamine-induced cardiotoxicity and remodeling. We found that isoproterenol, a synthetic catecholamine, promoted glutathione depletion and glutathione peroxidase 4 (GPX4) degradation in cardiomyocytes, leading to GPX4 inactivation and enhanced lipid peroxidation. Isoproterenol also promoted heme oxygenase 1 (HO-1) expression by downregulating the transcription suppressor BTB and CNC homology 1 (Bach1), leading to increased labile iron accumulation through heme degradation. Moreover, isoproterenol markedly induced the accumulation of free iron and lipid reactive oxygen species (ROS) in the mitochondria, while targeted inhibition of iron overload and ROS accumulation within mitochondria effectively inhibited ferroptosis in cardiomyocytes. Importantly, isoproterenol administration markedly induced ferroptosis in the myocardium in vivo, associated with elevated non-heme iron accumulation driven by HO-1 upregulation. Strikingly, blockade of ferroptosis with ferrostatin-1 or inhibition of HO-1 activity with zinc protoporphyrin (ZnPP) effectively alleviated cardiac necrosis, pathological remodeling, and heart failure induced by isoproterenol administration. Taken together, our results reveal that catecholamine stimulation primarily induces ferroptotic cell death in cardiomyocyte through GPX4 and Bach1-HO-1 dependent signaling pathways. Targeting ferroptosis may represent a novel therapeutic strategy for catecholamine overload-induced myocardial injury and heart failure.
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Affiliation(s)
- Yi Chen
- Department of Physiology and Biophysics, University of Washington, Seattle, WA, 98195, USA
| | - Xiaoyun Guo
- Department of Physiology and Biophysics, University of Washington, Seattle, WA, 98195, USA
| | - Yachang Zeng
- Department of Physiology and Biophysics, University of Washington, Seattle, WA, 98195, USA
| | - Xiaoliang Mo
- Department of Physiology and Biophysics, University of Washington, Seattle, WA, 98195, USA
| | - Siqi Hong
- Department of Physiology and Biophysics, University of Washington, Seattle, WA, 98195, USA
| | - Hui He
- Department of Physiology and Biophysics, University of Washington, Seattle, WA, 98195, USA
| | - Jing Li
- Department of Physiology and Biophysics, University of Washington, Seattle, WA, 98195, USA
| | - Rachel Steinmetz
- Department of Physiology and Biophysics, University of Washington, Seattle, WA, 98195, USA
| | - Qinghang Liu
- Department of Physiology and Biophysics, University of Washington, Seattle, WA, 98195, USA.
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22
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Safari F, Dadvar F. In vitro evaluation of autophagy and cell death induction in Panc1 pancreatic cancer by secretome of hAMSCs through downregulation of p-AKT/p-mTOR and upregulation of p-AMPK/ULK1 signal transduction pathways. Tissue Cell 2023; 84:102160. [PMID: 37482027 DOI: 10.1016/j.tice.2023.102160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 06/21/2023] [Accepted: 07/11/2023] [Indexed: 07/25/2023]
Abstract
One of the main causes of cancer mortality in the world is pancreatic cancer. Therapies based on stem cells are currently thought to be a hopeful option in the treatment of cancer. Herein, we intend to evaluate the antitumor effects of secretome of human amniotic mesenchymal stromal cells (hAMSCs) on autophagy and cell death induction in Panc1 pancreatic cancer cells. We adopted a co-culture system using Transwell 6-well plates and after 72 h, hAMSCs-treated Panc1 cancer cells were analyzed using quantitative real time PCR (qRT-PCR), flow cytometry, western blot, MTT assay, and DAPI staining. Based on our results, the microtubule-associated protein 1 light chain 3 (LC3) conversion from LC3-I to LC3-II and the upregulation of autophagy-related proteins expression including Beclin1, Atg7, and Atg12 were detected in hAMSCs-treated Panc1 cells. Furthermore, the level of phosphorylated proteins such as Unc-51-like kinase 1 (ULK1), AMP activated protein kinase (AMPK), AKT, and mTOR changed. Apoptotic cell death was also induced via the elevation of Bax and Caspase 3 expression and inhibition of Bcl-2. Our findings showed that secretome of hAMSCs induces autophagy and cell death in Panc1 cancer cells. However, more experiments will be needed to identify more details about the associated mechanisms.
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Affiliation(s)
- Fatemeh Safari
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran.
| | - Faezeh Dadvar
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
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23
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Xi Y, Gao L, Li S, Sun K, Chen P, Cai Z, Ren W, Zhi K. The role of novel programmed cell death in head and neck squamous cell carcinoma: from mechanisms to potential therapies. Front Pharmacol 2023; 14:1228985. [PMID: 37818196 PMCID: PMC10560744 DOI: 10.3389/fphar.2023.1228985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 09/05/2023] [Indexed: 10/12/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) is a common oral cancer with poor prognosis and for which no targeted therapeutic strategies are currently available. Accumulating evidence has demonstrated that programmed cell death (PCD) is essential in the development of HNSCC as a second messenger. PCD can be categorized into numerous different subroutines: in addition to the two well-known types of apoptosis and autophagy, novel forms of programmed cell death (e.g., necroptosis, pyroptosis, ferroptosis, and NETosis) also serve as key alternatives in tumorigenesis. Cancer cells are not able to avoid all types of cell death simultaneously, since different cell death subroutines follow different regulatory pathways. Herein, we summarize the roles of novel programmed cell death in tumorigenesis and present our interpretations of the molecular mechanisms with a view to the development of further potential therapies.
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Affiliation(s)
- Yujie Xi
- Department of Oral and Maxillofacial Reconstruction, The Affiliated Hospital of Qingdao University, Qingdao, China
- Key Lab of Oral Clinical Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
- Experimental Research Centre, China Academy of Chinese Medical Science, Beijing, China
| | - Ling Gao
- Department of Oral and Maxillofacial Reconstruction, The Affiliated Hospital of Qingdao University, Qingdao, China
- Key Lab of Oral Clinical Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
| | - Shaming Li
- Department of Oral and Maxillofacial Reconstruction, The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
| | - Kai Sun
- Department of Oral and Maxillofacial Reconstruction, The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
| | - Peishen Chen
- Department of Stomatology, People’s Hospital of Juxian, Rizhao, China
| | - Zhen Cai
- Department of Stomatology, Linyi People’s Hospital, Linyi, Shandong, China
| | - Wenhao Ren
- Department of Oral and Maxillofacial Reconstruction, The Affiliated Hospital of Qingdao University, Qingdao, China
- Key Lab of Oral Clinical Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Keqian Zhi
- Department of Oral and Maxillofacial Reconstruction, The Affiliated Hospital of Qingdao University, Qingdao, China
- Key Lab of Oral Clinical Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
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24
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Chen Y, Guo X, Zeng Y, Mo X, Hong S, He H, Li J, Fatima S, Liu Q. Oxidative stress induces mitochondrial iron overload and ferroptotic cell death. Sci Rep 2023; 13:15515. [PMID: 37726294 PMCID: PMC10509277 DOI: 10.1038/s41598-023-42760-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 09/14/2023] [Indexed: 09/21/2023] Open
Abstract
Oxidative stress has been shown to induce cell death in a wide range of human diseases including cardiac ischemia/reperfusion injury, drug induced cardiotoxicity, and heart failure. However, the mechanism of cell death induced by oxidative stress remains incompletely understood. Here we provide new evidence that oxidative stress primarily induces ferroptosis, but not apoptosis, necroptosis, or mitochondria-mediated necrosis, in cardiomyocytes. Intriguingly, oxidative stress induced by organic oxidants such as tert-butyl hydroperoxide (tBHP) and cumene hydroperoxide (CHP), but not hydrogen peroxide (H2O2), promoted glutathione depletion and glutathione peroxidase 4 (GPX4) degradation in cardiomyocytes, leading to increased lipid peroxidation. Moreover, elevated oxidative stress is also linked to labile iron overload through downregulation of the transcription suppressor BTB and CNC homology 1 (Bach1), upregulation of heme oxygenase 1 (HO-1) expression, and enhanced iron release via heme degradation. Strikingly, oxidative stress also promoted HO-1 translocation to mitochondria, leading to mitochondrial iron overload and lipid reactive oxygen species (ROS) accumulation. Targeted inhibition of mitochondrial iron overload or ROS accumulation, by overexpressing mitochondrial ferritin (FTMT) or mitochondrial catalase (mCAT), respectively, markedly inhibited oxidative stress-induced ferroptosis. The levels of mitochondrial iron and lipid peroxides were also markedly increased in cardiomyocytes subjected to simulated ischemia and reperfusion (sI/R) or the chemotherapeutic agent doxorubicin (DOX). Overexpressing FTMT or mCAT effectively prevented cardiomyocyte death induced by sI/R or DOX. Taken together, oxidative stress induced by organic oxidants but not H2O2 primarily triggers ferroptotic cell death in cardiomyocyte through GPX4 and Bach1/HO-1 dependent mechanisms. Our results also reveal mitochondrial iron overload via HO-1 mitochondrial translocation as a key mechanism as well as a potential molecular target for oxidative stress-induced ferroptosis in cardiomyocytes.
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Affiliation(s)
- Yi Chen
- Department of Physiology and Biophysics, School of Medicine, University of Washington, 1705 NE Pacific Street, G424, Box 357290, Seattle, WA, 98195-7290, USA
| | - Xiaoyun Guo
- Department of Physiology and Biophysics, School of Medicine, University of Washington, 1705 NE Pacific Street, G424, Box 357290, Seattle, WA, 98195-7290, USA
| | - Yachang Zeng
- Department of Physiology and Biophysics, School of Medicine, University of Washington, 1705 NE Pacific Street, G424, Box 357290, Seattle, WA, 98195-7290, USA
| | - Xiaoliang Mo
- Department of Physiology and Biophysics, School of Medicine, University of Washington, 1705 NE Pacific Street, G424, Box 357290, Seattle, WA, 98195-7290, USA
| | - Siqi Hong
- Department of Physiology and Biophysics, School of Medicine, University of Washington, 1705 NE Pacific Street, G424, Box 357290, Seattle, WA, 98195-7290, USA
| | - Hui He
- Department of Physiology and Biophysics, School of Medicine, University of Washington, 1705 NE Pacific Street, G424, Box 357290, Seattle, WA, 98195-7290, USA
| | - Jing Li
- Department of Physiology and Biophysics, School of Medicine, University of Washington, 1705 NE Pacific Street, G424, Box 357290, Seattle, WA, 98195-7290, USA
| | - Sulail Fatima
- Department of Physiology and Biophysics, School of Medicine, University of Washington, 1705 NE Pacific Street, G424, Box 357290, Seattle, WA, 98195-7290, USA
| | - Qinghang Liu
- Department of Physiology and Biophysics, School of Medicine, University of Washington, 1705 NE Pacific Street, G424, Box 357290, Seattle, WA, 98195-7290, USA.
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25
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Chaudhary Y, Jain J, Gaur SK, Tembhurne P, Chandrasekar S, Dhanavelu M, Sehrawat S, Kaul R. Nucleocapsid Protein (N) of Peste des petits ruminants Virus (PPRV) Interacts with Cellular Phosphatidylinositol-3-Kinase (PI3K) Complex-I and Induces Autophagy. Viruses 2023; 15:1805. [PMID: 37766213 PMCID: PMC10536322 DOI: 10.3390/v15091805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 08/10/2023] [Accepted: 08/15/2023] [Indexed: 09/29/2023] Open
Abstract
Autophagy is an essential and highly conserved catabolic process in cells, which is important in the battle against intracellular pathogens. Viruses have evolved several ways to alter the host defense mechanisms. PPRV infection is known to modulate the components of a host cell's defense system, resulting in enhanced autophagy. In this study, we demonstrate that the N protein of PPRV interacts with the core components of the class III phosphatidylinositol-3-kinase (PI3K) complex-I and results in the induction of autophagy in the host cell over, thereby expressing this viral protein. Our data shows the interaction between PPRV-N protein and different core components of the autophagy pathway, i.e., VPS34, VPS15, BECN1 and ATG14L. The PPRV-N protein can specifically interact with VPS34 of the PI3K complex-I and colocalize with the proteins of PI3K complex-I in the same sub-cellular compartment, that is, in the cytoplasm. These interactions do not affect the intracellular localization of the different host proteins. The autophagy-related genes were transcriptionally modulated in PPRV-N-expressing cells. The expression of LC3B and SQSTM1/p62 was also modulated in PPRV-N-expressing cells, indicating the induction of autophagic activity. The formation of typical autophagosomes with double membranes was visualized by transmission electron microscopy in PPRV-N-expressing cells. Taken together, our findings provide evidence for the critical role of the N protein of the PPR virus in the induction of autophagy, which is likely to be mediated by PI3K complex-I of the host.
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Affiliation(s)
- Yash Chaudhary
- Department of Microbiology, University of Delhi, South Campus, New Delhi 110021, India; (Y.C.); (J.J.); (S.K.G.)
| | - Juhi Jain
- Department of Microbiology, University of Delhi, South Campus, New Delhi 110021, India; (Y.C.); (J.J.); (S.K.G.)
| | - Sharad Kumar Gaur
- Department of Microbiology, University of Delhi, South Campus, New Delhi 110021, India; (Y.C.); (J.J.); (S.K.G.)
| | - Prabhakar Tembhurne
- Department of Microbiology, Nagpur Veterinary College, Nagpur 440006, India;
| | - Shanmugam Chandrasekar
- Division of Virology, Indian Veterinary Research Institute, Mukteshwar, Nainital 263138, India; (S.C.); (M.D.)
| | - Muthuchelvan Dhanavelu
- Division of Virology, Indian Veterinary Research Institute, Mukteshwar, Nainital 263138, India; (S.C.); (M.D.)
| | - Sharvan Sehrawat
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, Mohali 140306, India;
| | - Rajeev Kaul
- Department of Microbiology, University of Delhi, South Campus, New Delhi 110021, India; (Y.C.); (J.J.); (S.K.G.)
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Chao-Pellicer J, Arberas-Jiménez I, Fuchs F, Sifaoui I, Piñero JE, Lorenzo-Morales J, Scheid P. Repurposing of Nitroxoline as an Alternative Primary Amoebic Meningoencephalitis Treatment. Antibiotics (Basel) 2023; 12:1280. [PMID: 37627700 PMCID: PMC10451279 DOI: 10.3390/antibiotics12081280] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/27/2023] Open
Abstract
Among the pathogenic free-living amoebae (FLA), Naegleria fowleri is the etiological agent of a fatal disease known as primary amoebic meningoencephalitis (PAM). Once infection begins, the lesions generated in the central nervous system (CNS) result in the onset of symptoms leading to death in a short period of time. Currently, there is no standardized treatment against the infection, which, due to the high virulence of the parasite, results in a high case fatality rate (>97%). Therefore, it is essential to search for new therapeutic sources that can generate a rapid elimination of the parasite. In recent years, there have already been several successful examples of drug repurposing, such as Nitroxoline, for which, in addition to its known bioactive properties, anti-Balamuthia activity has recently been described. Following this approach, the anti-Naegleria activity of Nitroxoline was tested. Nitroxoline displayed low micromolar activity against two different strains of N. fowleri trophozoites (IC50 values of 1.63 ± 0.37 µM and 1.17 ± 0.21 µM) and against cyst stages (IC50 of 1.26 ± 0.42 μM). The potent anti-parasitic activity compared to the toxicity produced (selectivity index of 3.78 and 5.25, respectively) in murine macrophages and human cell lines (reported in previous studies), together with the induction of programmed cell death (PCD)-related events in N. fowleri make Nitroxoline a great candidate for an alternative PAM treatment.
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Affiliation(s)
- Javier Chao-Pellicer
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, 38203 San Cristóbal de La Laguna, Spain; (J.C.-P.); (I.A.-J.); (I.S.)
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, 38203 San Cristóbal de La Laguna, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28220 Madrid, Spain
| | - Iñigo Arberas-Jiménez
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, 38203 San Cristóbal de La Laguna, Spain; (J.C.-P.); (I.A.-J.); (I.S.)
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, 38203 San Cristóbal de La Laguna, Spain
| | - Frieder Fuchs
- Department of Microbiology and Hospital Hygiene, Bundeswehr Central Hospital Koblenz, 56072 Koblenz, Germany;
- Institute for Medical Microbiology, Immunology and Hygiene, University Hospital Cologne, Faculty of Medicine, University of Cologne, 50935 Cologne, Germany
| | - Ines Sifaoui
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, 38203 San Cristóbal de La Laguna, Spain; (J.C.-P.); (I.A.-J.); (I.S.)
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, 38203 San Cristóbal de La Laguna, Spain
| | - José E. Piñero
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, 38203 San Cristóbal de La Laguna, Spain; (J.C.-P.); (I.A.-J.); (I.S.)
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, 38203 San Cristóbal de La Laguna, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28220 Madrid, Spain
| | - Jacob Lorenzo-Morales
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, 38203 San Cristóbal de La Laguna, Spain; (J.C.-P.); (I.A.-J.); (I.S.)
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, 38203 San Cristóbal de La Laguna, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28220 Madrid, Spain
| | - Patrick Scheid
- Parasitology Lab., Central Military Hospital Koblenz, 56072 Koblenz, Germany
- Department of Biology, Working Group Parasitology and Infection Biology, University Koblenz, 56070 Koblenz, Germany
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27
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Zhang Y, Zhang Y, Zang J, Li Y, Wu X. Pharmaceutical Therapies for Necroptosis in Myocardial Ischemia-Reperfusion Injury. J Cardiovasc Dev Dis 2023; 10:303. [PMID: 37504559 PMCID: PMC10380972 DOI: 10.3390/jcdd10070303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 06/28/2023] [Accepted: 07/14/2023] [Indexed: 07/29/2023] Open
Abstract
Cardiovascular disease morbidity/mortality are increasing due to an aging population and the rising prevalence of diabetes and obesity. Therefore, innovative cardioprotective measures are required to reduce cardiovascular disease morbidity/mortality. The role of necroptosis in myocardial ischemia-reperfusion injury (MI-RI) is beyond doubt, but the molecular mechanisms of necroptosis remain incompletely elucidated. Growing evidence suggests that MI-RI frequently results from the superposition of multiple pathways, with autophagy, ferroptosis, and CypD-mediated mitochondrial damage, and necroptosis all contributing to MI-RI. Receptor-interacting protein kinases (RIPK1 and RIPK3) as well as mixed lineage kinase domain-like pseudokinase (MLKL) activation is accompanied by the activation of other signaling pathways, such as Ca2+/calmodulin-dependent protein kinase II (CaMKII), NF-κB, and JNK-Bnip3. These pathways participate in the pathological process of MI-RI. Recent studies have shown that inhibitors of necroptosis can reduce myocardial inflammation, infarct size, and restore cardiac function. In this review, we will summarize the molecular mechanisms of necroptosis, the links between necroptosis and other pathways, and current breakthroughs in pharmaceutical therapies for necroptosis.
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Affiliation(s)
- Yinchang Zhang
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou 730030, China
| | - Yantao Zhang
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou 730030, China
| | - Jinlong Zang
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou 730030, China
| | - Yongnan Li
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou 730030, China
| | - Xiangyang Wu
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou 730030, China
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Fernandes MGF, Mohammadnia A, Pernin F, Schmitz-Gielsdorf LE, Hodgins C, Cui QL, Yaqubi M, Blain M, Hall J, Dudley R, Srour M, Zandee SEJ, Klement W, Prat A, Stratton JA, Rodriguez M, Kuhlmann T, Moore W, Kennedy TE, Antel JP. Mechanisms of metabolic stress induced cell death of human oligodendrocytes: relevance for progressive multiple sclerosis. Acta Neuropathol Commun 2023; 11:108. [PMID: 37408029 DOI: 10.1186/s40478-023-01601-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 06/07/2023] [Indexed: 07/07/2023] Open
Abstract
Oligodendrocyte (OL) injury and loss are central features of evolving lesions in multiple sclerosis. Potential causative mechanisms of OL loss include metabolic stress within the lesion microenvironment. Here we use the injury response of primary human OLs (hOLs) to metabolic stress (reduced glucose/nutrients) in vitro to help define the basis for the in situ features of OLs in cases of MS. Under metabolic stress in vitro, we detected reduction in ATP levels per cell that precede changes in survival. Autophagy was initially activated, although ATP levels were not altered by inhibitors (chloroquine) or activators (Torin-1). Prolonged stress resulted in autophagy failure, documented by non-fusion of autophagosomes and lysosomes. Consistent with our in vitro results, we detected higher expression of LC3, a marker of autophagosomes in OLs, in MS lesions compared to controls. Both in vitro and in situ, we observe a reduction in nuclear size of remaining OLs. Prolonged stress resulted in increased ROS and cleavage of spectrin, a target of Ca2+-dependent proteases. Cell death was however not prevented by inhibitors of ferroptosis or MPT-driven necrosis, the regulated cell death (RCD) pathways most likely to be activated by metabolic stress. hOLs have decreased expression of VDAC1, VDAC2, and of genes regulating iron accumulation and cyclophilin. RNA sequencing analyses did not identify activation of these RCD pathways in vitro or in MS cases. We conclude that this distinct response of hOLs, including resistance to RCD, reflects the combined impact of autophagy failure, increased ROS, and calcium influx, resulting in metabolic collapse and degeneration of cellular structural integrity. Defining the basis of OL injury and death provides guidance for development of neuro-protective strategies.
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Affiliation(s)
- Milton Guilherme Forestieri Fernandes
- Neuroimmunology Unit, Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
| | - Abdulshakour Mohammadnia
- Neuroimmunology Unit, Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
| | - Florian Pernin
- Neuroimmunology Unit, Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
| | | | - Caroline Hodgins
- Neuroimmunology Unit, Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
| | - Qiao-Ling Cui
- Neuroimmunology Unit, Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
| | - Moein Yaqubi
- Neuroimmunology Unit, Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
| | - Manon Blain
- Neuroimmunology Unit, Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
| | - Jeffery Hall
- Department of Neurosurgery, Department of Neurology and Neurosurgery, McGill University Health Centre, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
| | - Roy Dudley
- Department of Pediatric Neurosurgery, Montreal Children's Hospital, 1001 Decarie Blvd, Montreal, QC, H4A 3J1, Canada
| | - Myriam Srour
- Division of Pediatric Neurology, Montreal Children's Hospital, 1001 Decarie Blvd, Montreal, QC, H4A 3J1, Canada
| | - Stephanie E J Zandee
- Department of Neuroscience, Faculty of Medicine, Université de Montréal, Pavillon Roger- Gaudry, 2900 Edouard Montpetit Blvd, Montreal, QC, H3T 1J4, Canada
| | - Wendy Klement
- Department of Neuroscience, Faculty of Medicine, Université de Montréal, Pavillon Roger- Gaudry, 2900 Edouard Montpetit Blvd, Montreal, QC, H3T 1J4, Canada
| | - Alexandre Prat
- Department of Neuroscience, Faculty of Medicine, Université de Montréal, Pavillon Roger- Gaudry, 2900 Edouard Montpetit Blvd, Montreal, QC, H3T 1J4, Canada
| | - Jo Anne Stratton
- Neuroimmunology Unit, Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
| | - Moses Rodriguez
- Department of Neurology, Mayo Clinic Foundation, 1216 2nd St SW, Rochester, MN, 55902, USA
| | - Tanja Kuhlmann
- Institute of Neuropathology, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149, Münster, Germany
| | - Wayne Moore
- Neuroimmunology Unit, Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
| | - Timothy E Kennedy
- Neuroimmunology Unit, Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
- Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada
| | - Jack P Antel
- Neuroimmunology Unit, Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 Rue University, Montreal, QC, H3A 2B4, Canada.
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Qin D, Li D, Wang C, Guo S. Ferroptosis and central nervous system demyelinating diseases. J Neurochem 2023; 165:759-771. [PMID: 37095635 DOI: 10.1111/jnc.15831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 03/01/2023] [Accepted: 04/06/2023] [Indexed: 04/26/2023]
Abstract
Ferroptosis is a newly discovered programmed cell death caused by intracellular iron excess and glutathione (GSH) system imbalance, resulting in fatal lipid peroxidation. It is different from necrosis, apoptosis, autophagy, and other forms of cell death. Accumulating evidences suggest that brain iron overload is involved in the pathogenesis of demyelinating diseases of the central nervous system (CNS), such as multiple sclerosis (MS), neuromyelitis optica (NMO), and acute disseminated encephalomyelitis (ADEM). The study of ferroptosis may provide a new understanding of demyelinating diseases and provide a novel therapeutic target for clinical treatment. Herein, we reviewed recent discoveries on mechanisms of ferroptosis, the effects of metabolic pathways on ferroptosis, and its involvement in CNS demyelinating diseases.
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Affiliation(s)
- Danqing Qin
- Department of Neurology, Shandong Provincial Hospital affiliated to Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Dong Li
- Department of Neurology, Shandong Provincial Hospital affiliated to Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Chunjuan Wang
- Department of Neurology, Shandong Provincial Hospital affiliated to Cheeloo College of Medicine, Shandong University, Jinan, China
- Department of Neurology, Shandong Provincial Hospital affiliated to Shandong First Medical University, Shandong Academy of Medical Sciences, Jinan, China
| | - Shougang Guo
- Department of Neurology, Shandong Provincial Hospital affiliated to Cheeloo College of Medicine, Shandong University, Jinan, China
- Department of Neurology, Shandong Provincial Hospital affiliated to Shandong First Medical University, Shandong Academy of Medical Sciences, Jinan, China
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30
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Lei Z, Tian Q, Teng Q, Wurpel JND, Zeng L, Pan Y, Chen Z. Understanding and targeting resistance mechanisms in cancer. MedComm (Beijing) 2023; 4:e265. [PMID: 37229486 PMCID: PMC10203373 DOI: 10.1002/mco2.265] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/05/2023] [Accepted: 03/23/2023] [Indexed: 05/27/2023] Open
Abstract
Resistance to cancer therapies has been a commonly observed phenomenon in clinical practice, which is one of the major causes of treatment failure and poor patient survival. The reduced responsiveness of cancer cells is a multifaceted phenomenon that can arise from genetic, epigenetic, and microenvironmental factors. Various mechanisms have been discovered and extensively studied, including drug inactivation, reduced intracellular drug accumulation by reduced uptake or increased efflux, drug target alteration, activation of compensatory pathways for cell survival, regulation of DNA repair and cell death, tumor plasticity, and the regulation from tumor microenvironments (TMEs). To overcome cancer resistance, a variety of strategies have been proposed, which are designed to enhance the effectiveness of cancer treatment or reduce drug resistance. These include identifying biomarkers that can predict drug response and resistance, identifying new targets, developing new targeted drugs, combination therapies targeting multiple signaling pathways, and modulating the TME. The present article focuses on the different mechanisms of drug resistance in cancer and the corresponding tackling approaches with recent updates. Perspectives on polytherapy targeting multiple resistance mechanisms, novel nanoparticle delivery systems, and advanced drug design tools for overcoming resistance are also reviewed.
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Affiliation(s)
- Zi‐Ning Lei
- PrecisionMedicine CenterScientific Research CenterThe Seventh Affiliated HospitalSun Yat‐Sen UniversityShenzhenP. R. China
- Department of Pharmaceutical SciencesCollege of Pharmacy and Health SciencesSt. John's UniversityQueensNew YorkUSA
| | - Qin Tian
- PrecisionMedicine CenterScientific Research CenterThe Seventh Affiliated HospitalSun Yat‐Sen UniversityShenzhenP. R. China
| | - Qiu‐Xu Teng
- Department of Pharmaceutical SciencesCollege of Pharmacy and Health SciencesSt. John's UniversityQueensNew YorkUSA
| | - John N. D. Wurpel
- Department of Pharmaceutical SciencesCollege of Pharmacy and Health SciencesSt. John's UniversityQueensNew YorkUSA
| | - Leli Zeng
- PrecisionMedicine CenterScientific Research CenterThe Seventh Affiliated HospitalSun Yat‐Sen UniversityShenzhenP. R. China
| | - Yihang Pan
- PrecisionMedicine CenterScientific Research CenterThe Seventh Affiliated HospitalSun Yat‐Sen UniversityShenzhenP. R. China
| | - Zhe‐Sheng Chen
- Department of Pharmaceutical SciencesCollege of Pharmacy and Health SciencesSt. John's UniversityQueensNew YorkUSA
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31
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Chao-Pellicer J, Arberas-Jiménez I, Delgado-Hernández S, Sifaoui I, Tejedor D, García-Tellado F, Piñero JE, Lorenzo-Morales J. Cyanomethyl Vinyl Ethers Against Naegleria fowleri. ACS Chem Neurosci 2023. [PMID: 37167960 DOI: 10.1021/acschemneuro.3c00110] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023] Open
Abstract
Naegleria fowleri is a pathogenic amoeba that causes a fulminant and rapidly progressive disease affecting the central nervous system called primary amoebic meningoencephalitis (PAM). Moreover, the disease is fatal in more than 97% of the reported cases, mostly affecting children and young people after practicing aquatic activities in nontreated fresh and warm water bodies contaminated with these amoebae. Currently, the treatment of primary amoebic meningoencephalitis is based on a combination of different antibiotics and antifungals, which are not entirely effective and lead to numerous side effects. In the recent years, research against PAM is focused on the search of novel, less toxic, and fully effective antiamoebic agents. Previous studies have reported the activity of cyano-substituted molecules in different protozoa. Therefore, the activity of 46 novel synthetic cyanomethyl vinyl ethers (QOET-51 to QOET-96) against two type strains of N. fowleri (ATCC 30808 and ATCC 30215) was determined. The data showed that QOET-51, QOET-59, QOET-64, QOET-67, QOET-72, QOET-77, and QOET-79 were the most active molecules. In fact, the selectivity index (CC50/IC50) was sixfold higher when compared to the activities of the drugs of reference. In addition, the mechanism of action of these compounds was studied, with the aim to demonstrate the induction of a programmed cell death process in N. fowleri.
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Affiliation(s)
- Javier Chao-Pellicer
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, La Laguna 38203, Tenerife, Islas Canarias, Spain
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, Tenerife, Islas Canarias 38200, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid 28220, Spain
| | - Iñigo Arberas-Jiménez
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, La Laguna 38203, Tenerife, Islas Canarias, Spain
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, Tenerife, Islas Canarias 38200, Spain
| | - Samuel Delgado-Hernández
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas, Avda. Fco. Sánchez 3, La Laguna 38206, Tenerife, Islas Canarias, Spain
- Departamento de Química. Unidad Departamental de Química Analítica, Universidad de La Laguna (ULL), Tenerife 38206, Spain
| | - Ines Sifaoui
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, La Laguna 38203, Tenerife, Islas Canarias, Spain
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, Tenerife, Islas Canarias 38200, Spain
| | - David Tejedor
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas, Avda. Fco. Sánchez 3, La Laguna 38206, Tenerife, Islas Canarias, Spain
- Departamento de Química. Unidad Departamental de Química Analítica, Universidad de La Laguna (ULL), Tenerife 38206, Spain
| | - Fernando García-Tellado
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas, Avda. Fco. Sánchez 3, La Laguna 38206, Tenerife, Islas Canarias, Spain
- Departamento de Química. Unidad Departamental de Química Analítica, Universidad de La Laguna (ULL), Tenerife 38206, Spain
| | - José E Piñero
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, La Laguna 38203, Tenerife, Islas Canarias, Spain
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, Tenerife, Islas Canarias 38200, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid 28220, Spain
| | - Jacob Lorenzo-Morales
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, Avda. Astrofísico Fco. Sánchez, S/N, La Laguna 38203, Tenerife, Islas Canarias, Spain
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna, Tenerife, Islas Canarias 38200, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid 28220, Spain
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Zhao J, Ma LY, Xie YX, Zhu LQ, Ni WS, Wang R, Song YN, Li XY, Yang HF. The role of stimulator of interferon genes-mediated AMPK/mTOR/P70S6K autophagy pathway in cyfluthrin-induced testicular injury. ENVIRONMENTAL TOXICOLOGY 2023; 38:727-742. [PMID: 36515635 DOI: 10.1002/tox.23723] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 11/25/2022] [Accepted: 12/04/2022] [Indexed: 06/17/2023]
Abstract
Cyfluthrin is widely used in the field of sanitary pest control by its wide insecticidal spectrum, high efficiency and low toxicity, low residue, and good biodegradability. But, as a double-edged sword, a large amount of cyfluthrin remains are still in the environment. The residual cyfluthrin is absorbed into the food chain through vegetation and then poses a risk to soil organisms and human health. Several studies have suggested that cyfluthrin is one of the main factors causing testicular damage, but the mechanism remains unclear. In this study, we established in vivo and in vitro models of testicular injury in rats and GC-2 cells exposed to cyfluthrin to explore whether stimulator of interferon genes (STING) gene mediates the regulation of AMPK/mTOR/p70S6K autophagy pathway, which lays a foundation for further study of the mechanism of testicular injury induced by cyfluthrin. The results showed that the activity of super oxide dismutase in testis decreased and the activity of malonic dialdehyde increased with the increase of concentration in vivo and in vitro. At the same time, the levels of mitochondrial damage and inflammation in the testis also increased, which further activated autophagy. In this process, the increased level of inflammation is related to the increased expression of STING gene, and AMPK/mTOR/p70S6K autophagy pathway is also involved. To sum up, cyfluthrin has certain reproductive toxicity, and long-term exposure can induce testicular cell damage. STING gene can participate in cyfluthrin-induced testicular injury through AMPK/mTOR/P70S6K autophagy pathway.
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Affiliation(s)
- Ji Zhao
- Department of Occupational and Environmental Health, School of Public Healthy and Management, Ningxia Medical University, Yinchuan, People's Republic of China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, People's Republic of China
| | - Li-Ya Ma
- Department of Occupational and Environmental Health, School of Public Healthy and Management, Ningxia Medical University, Yinchuan, People's Republic of China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, People's Republic of China
- The Sinopharm Yiji Hospital, Baotou, People's Republic of China
| | - Yong-Xin Xie
- Department of Occupational and Environmental Health, School of Public Healthy and Management, Ningxia Medical University, Yinchuan, People's Republic of China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, People's Republic of China
| | - Ling-Qin Zhu
- Department of Occupational and Environmental Health, School of Public Healthy and Management, Ningxia Medical University, Yinchuan, People's Republic of China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, People's Republic of China
| | - Wen-Si Ni
- Department of Occupational and Environmental Health, School of Public Healthy and Management, Ningxia Medical University, Yinchuan, People's Republic of China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, People's Republic of China
| | - Rui Wang
- Department of Occupational and Environmental Health, School of Public Healthy and Management, Ningxia Medical University, Yinchuan, People's Republic of China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, People's Republic of China
| | - Ya-Nan Song
- Department of Occupational and Environmental Health, School of Public Healthy and Management, Ningxia Medical University, Yinchuan, People's Republic of China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, People's Republic of China
| | - Xiao-Yu Li
- Department of Occupational and Environmental Health, School of Public Healthy and Management, Ningxia Medical University, Yinchuan, People's Republic of China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, People's Republic of China
| | - Hui-Fang Yang
- Department of Occupational and Environmental Health, School of Public Healthy and Management, Ningxia Medical University, Yinchuan, People's Republic of China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, People's Republic of China
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Kidere D, Zayakin P, Livcane D, Makrecka-Kuka M, Stavusis J, Lace B, Lin TK, Liou CW, Inashkina I. Impact of the m.13513G>A Variant on the Functions of the OXPHOS System and Cell Retrograde Signaling. Curr Issues Mol Biol 2023; 45:1794-1809. [PMID: 36975485 PMCID: PMC10047405 DOI: 10.3390/cimb45030115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/08/2023] [Accepted: 02/16/2023] [Indexed: 02/24/2023] Open
Abstract
Mitochondria are involved in many vital functions in living cells, including the synthesis of ATP by oxidative phosphorylation (OXPHOS) and regulation of nuclear gene expression through retrograde signaling. Leigh syndrome is a heterogeneous neurological disorder resulting from an isolated complex I deficiency that causes damage to mitochondrial energy production. The pathogenic mitochondrial DNA (mtDNA) variant m.13513G>A has been associated with Leigh syndrome. The present study investigated the effects of this mtDNA variant on the OXPHOS system and cell retrograde signaling. Transmitochondrial cytoplasmic hybrid (cybrid) cell lines harboring 50% and 70% of the m.13513G>A variant were generated and tested along with wild-type (WT) cells. The functionality of the OXPHOS system was evaluated by spectrophotometric assessment of enzyme activity and high-resolution respirometry. Nuclear gene expression was investigated by RNA sequencing and droplet digital PCR. Increasing levels of heteroplasmy were associated with reduced OXPHOS system complex I, IV, and I + III activities, and high-resolution respirometry also showed a complex I defect. Profound changes in transcription levels of nuclear genes were observed in the cell lines harboring the pathogenic mtDNA variant, indicating the physiological processes associated with defective mitochondria.
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Affiliation(s)
- Dita Kidere
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia
| | - Pawel Zayakin
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia
| | - Diana Livcane
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia
| | | | - Janis Stavusis
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia
| | - Baiba Lace
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia
- Children’s Clinical University Hospital, LV-1004 Riga, Latvia
| | - Tsu-Kung Lin
- Department of Neurology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83305, Taiwan
- Center for Mitochondrial Research and Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Chia-Wei Liou
- Department of Neurology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83305, Taiwan
- Center for Mitochondrial Research and Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Inna Inashkina
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia
- Correspondence:
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34
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Sørhus E, Donald CE, Nakken CL, Perrichon P, Durif CMF, Shema S, Browman HI, Skiftesvik AB, Lie KK, Rasinger JD, Müller MHB, Meier S. Co-exposure to UV radiation and crude oil increases acute embryotoxicity and sublethal malformations in the early life stages of Atlantic haddock (Melanogrammus aeglefinus). THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 859:160080. [PMID: 36375555 DOI: 10.1016/j.scitotenv.2022.160080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/28/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
Crude oil causes severe abnormalities in developing fish. Photomodification of constituents in crude oil increases its toxicity several fold. We report on the effect of crude oil, in combination with ultraviolet (UV) radiation, on Atlantic haddock (Melanogrammus aeglefinus) embryos. Accumulation of crude oil on the eggshell makes haddock embryos particularly susceptible to exposure. At high latitudes, they can be exposed to UV radiation many hours a day. Haddock embryos were exposed to crude oil (5-300 μg oil/L nominal loading concentrations) for three days in the presence and absence of UV radiation (290-400 nm). UV radiation partly degraded the eggs' outer membrane resulting in less accumulation of oil droplets in the treatment with highest oil concentration (300 μg oil/L). The co-exposure treatments resulted in acute toxicity, manifested by massive tissue necrosis and subsequent mortality, reducing LC50 at hatching stage by 60 % to 0.24 μg totPAH/L compared to 0.62 μg totPAH/L in crude oil only. In the treatment with nominal low oil concentrations (5-30 μg oil/L), only co-exposure to UV led to sublethal morphological heart defects. Including phototoxicity as a parameter in risk assessments of accidental oil spills is recommended.
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Affiliation(s)
- Elin Sørhus
- Institute of Marine Research, Marine Toxicology Group, Nordnesgaten 50, 5005 Bergen, Norway.
| | - Carey E Donald
- Institute of Marine Research, Marine Toxicology Group, Nordnesgaten 50, 5005 Bergen, Norway
| | - Charlotte L Nakken
- University of Bergen, Department of Chemistry, Allégaten 41, 5020 Bergen, Norway
| | - Prescilla Perrichon
- Institute of Marine Research, Reproduction and Developmental Biology, Austevoll Research Station, Sauganeset 16, 5392 Storebø, Norway
| | - Caroline M F Durif
- Institute of Marine Research, Ecosystem Acoustics Group, Austevoll Research Station, Sauganeset 16, 5392 Storebø, Norway
| | - Steven Shema
- Grótti ehf, Melabraut 22, 220 Hafnarfirði, Iceland
| | - Howard I Browman
- Institute of Marine Research, Ecosystem Acoustics Group, Austevoll Research Station, Sauganeset 16, 5392 Storebø, Norway
| | - Anne Berit Skiftesvik
- Institute of Marine Research, Ecosystem Acoustics Group, Austevoll Research Station, Sauganeset 16, 5392 Storebø, Norway
| | - Kai K Lie
- Institute of Marine Research, Marine Toxicology Group, Nordnesgaten 50, 5005 Bergen, Norway
| | - Josef D Rasinger
- Institute of Marine Research, Marine Toxicology Group, Nordnesgaten 50, 5005 Bergen, Norway
| | - Mette H B Müller
- Norwegian University of Life Sciences, Section for Experimental Biomedicine, Universitetstunet 3, 1433 Ås, Norway
| | - Sonnich Meier
- Institute of Marine Research, Marine Toxicology Group, Nordnesgaten 50, 5005 Bergen, Norway
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Autophagy/Mitophagy Regulated by Ubiquitination: A Promising Pathway in Cancer Therapeutics. Cancers (Basel) 2023; 15:cancers15041112. [PMID: 36831455 PMCID: PMC9954143 DOI: 10.3390/cancers15041112] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023] Open
Abstract
Autophagy is essential for organismal development, maintenance of energy homeostasis, and quality control of organelles and proteins. As a selective form of autophagy, mitophagy is necessary for effectively eliminating dysfunctional mitochondria. Both autophagy and mitophagy are linked with tumor progression and inhibition. The regulation of mitophagy and autophagy depend upon tumor type and stage. In tumors, mitophagy has dual roles: it removes damaged mitochondria to maintain healthy mitochondria and energy production, which are necessary for tumor growth. In contrast, mitophagy has been shown to inhibit tumor growth by mitigating excessive ROS production, thus preventing mutation and chromosomal instability. Ubiquitination and deubiquitination are important modifications that regulate autophagy. Multiple E3 ubiquitin ligases and DUBs modulate the activity of the autophagy and mitophagy machinery, thereby influencing cancer progression. In this review, we summarize the mechanistic association between cancer development and autophagy/mitophagy activities regulated by the ubiquitin modification of autophagic proteins. In addition, we discuss the function of multiple proteins involved in autophagy/mitophagy in tumors that may represent potential therapeutic targets.
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Khan Z, Sekar N. Deep Red to NIR Emitting Xanthene Hybrids: Xanthene‐Hemicyanine Hybrids and Xanthene‐Coumarin Hybrids. ChemistrySelect 2023. [DOI: 10.1002/slct.202203377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Zeba Khan
- Department of Dyestuff Technology (Currently named as Department of Specialty Chemicals Technology) Institute of Chemical Technology, Matunga (E) Mumbai Maharashtra India, PIN 400019
| | - Nagaiyan Sekar
- Department of Dyestuff Technology (Currently named as Department of Specialty Chemicals Technology) Institute of Chemical Technology, Matunga (E) Mumbai Maharashtra India, PIN 400019
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Kamalkazemi E, Dehghan G, Abedi-Gaballu F, Babaei E, Baradaran B. Umbelliprenin-loaded nanostructured lipid: A novel approach for inducing cytotoxicity and apoptosis in colorectal cancer cells by altering the p53, survivin, and Bax/Bcl2 ratio. GENE REPORTS 2022. [DOI: 10.1016/j.genrep.2022.101732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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An Z, Tian J, Liu Y, Zhao X, Yang X, Yong J, Liu L, Zhang L, Jiang W, Song X, Zhang H. Exosomes as a Cell-free Therapy for Myocardial Injury Following Acute Myocardial Infarction or Ischemic Reperfusion. Aging Dis 2022; 13:1770-1786. [PMID: 36465167 PMCID: PMC9662265 DOI: 10.14336/ad.2022.0416] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 04/16/2022] [Indexed: 08/13/2023] Open
Abstract
Exosomes, which contain miRNA, have been receiving growing attention in cardiovascular therapy because of their role in mediating cell-cell communication, autophagy, apoptosis, inflammation, and angiogenesis. Several studies have suggested that miRNA derived from exosomes can be used to detect myocardial infarctions (MI) in patients. Basic research also suggests that exosomes could serve as a potential therapeutic target for treating acute myocardial infarction. Ischemia/reperfusion (IR) injury is associated with adverse cardiac events after acute MI. We aim to review the potential benefits and mechanisms of exosomes in treating MI and IR injury.
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Affiliation(s)
- Ziyu An
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Jinfan Tian
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Yue Liu
- Cardiovascular disease center, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Xin Zhao
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Xueyao Yang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Jingwen Yong
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Libo Liu
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Lijun Zhang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Wenjian Jiang
- Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Xiantao Song
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Hongjia Zhang
- Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
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Molina-Gonzalez I, Miron VE, Antel JP. Chronic oligodendrocyte injury in central nervous system pathologies. Commun Biol 2022; 5:1274. [PMID: 36402839 PMCID: PMC9675815 DOI: 10.1038/s42003-022-04248-1] [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: 05/04/2022] [Accepted: 11/10/2022] [Indexed: 11/21/2022] Open
Abstract
Myelin, the membrane surrounding neuronal axons, is critical for central nervous system (CNS) function. Injury to myelin-forming oligodendrocytes (OL) in chronic neurological diseases (e.g. multiple sclerosis) ranges from sublethal to lethal, leading to OL dysfunction and myelin pathology, and consequent deleterious impacts on axonal health that drive clinical impairments. This is regulated by intrinsic factors such as heterogeneity and age, and extrinsic cellular and molecular interactions. Here, we discuss the responses of OLs to injury, and perspectives for therapeutic targeting. We put forward that targeting mature OL health in neurological disease is a promising therapeutic strategy to support CNS function.
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Affiliation(s)
- Irene Molina-Gonzalez
- grid.4305.20000 0004 1936 7988United Kingdom Dementia Research Institute at The University of Edinburgh, Edinburgh, Scotland UK ,grid.4305.20000 0004 1936 7988Centre for Discovery Brain Sciences, Chancellor’s Building, The University of Edinburgh, Edinburgh, Scotland UK ,grid.4305.20000 0004 1936 7988Medical Research Council Centre for Reproductive Health, The Queen’s Medical Research Institute, The University of Edinburgh, Edinburgh, Scotland UK
| | - Veronique E. Miron
- grid.4305.20000 0004 1936 7988United Kingdom Dementia Research Institute at The University of Edinburgh, Edinburgh, Scotland UK ,grid.4305.20000 0004 1936 7988Centre for Discovery Brain Sciences, Chancellor’s Building, The University of Edinburgh, Edinburgh, Scotland UK ,grid.4305.20000 0004 1936 7988Medical Research Council Centre for Reproductive Health, The Queen’s Medical Research Institute, The University of Edinburgh, Edinburgh, Scotland UK ,grid.415502.7Barlo Multiple Sclerosis Centre and Keenan Research Centre for Biomedical Science, Toronto, Canada ,grid.17063.330000 0001 2157 2938Department of Immunology, University of Toronto, Toronto, Canada
| | - Jack P. Antel
- grid.14709.3b0000 0004 1936 8649Neuroimmunology Unit, Montreal Neurological Institute, McGill University, Montreal, QC Canada
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Chiral amide-bonded hydroxyquinoline-substituted porphyrin fluorescent probes “off–on–off” pH sensing properties. J INCL PHENOM MACRO 2022. [DOI: 10.1007/s10847-022-01168-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Kadry MO, Ammar NM, Hassan HA, Abdel Megeed RM. Insights on attenuating autophagy cellular and molecular pathways versus methotrexate-induced toxicity via liposomal turmeric therapy. J Genet Eng Biotechnol 2022; 20:147. [DOI: 10.1186/s43141-022-00430-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 10/11/2022] [Indexed: 11/10/2022]
Abstract
Abstract
Background
Methotrexate (MX), a competitive inhibitor of dihydrofolate reductase, can inhibit DNA and RNA production and is a powerful anticancer agent widely utilized in clinical practice for treating nonneoplastic maladies, as psoriasis and rheumatoid arthritis; meanwhile, its probable prescription dose and interval of administration are strictly limited due to dose-related organ damage. Former studies verified that kidney, brain, liver, and lung harms are prospective obstacles of methotrexate administration. To understand the machinery of methotrexate-prompt toxicity, various mechanisms were investigated. The former is an autophagy defense mechanism; autophagy is a self-digesting mechanism responsible for the removal of damaged organelles and malformed proteins by lysosome. The contemporary article hypothesized that turmeric or its liposomal analog could defeat autophagy of MX-induced acute toxicity. Methotrexate, in a dose of 1.5 mg/kg, was administered intravenously followed by turmeric and liposomal turmeric treatment in a dose of 5 mg/kg for 30 days in rats.
Results
Increment in autophagy (AUTP) consent by MX administration was attenuated by concurrent treatment via turmeric and liposomal turmeric that was reliable on the alteration in apoptotic markers. The assembly of FOXO-3 in serum post methotrexate administration was suppressed by concurrent treatment via liposomal turmeric. Apoptosis/autophagic marker investigation was evaluated through the gene expression of Bax (BCL2-associated X protein)/Bcl2 (B-cell lymphoma 2)/P53 (tumor protein P53)/SiRT-1 (sirtuin silent mating-type information regulation 2 homolog 1) and FOXO-3 (forkhead box transcription factor-3)/ERDJ-4 (endoplasmic reticulum localized DnaJ homologs)/BNP (brain natriuretic peptide B) signaling. The cell death of all cells was categorized to achieve autophagy. Interestingly, Bax/Bcl2/P53/SiRT-1 signaling pathways were downregulated, contributing to inhibiting the initiation of autophagy. Meanwhile, FOXO-3/BNP/ERDJ-4 reduction-implicated noncanonical autophagy pathways were involved in methotrexate-induced autophagy, whereas this change was suppressed when turmeric was administered in liposomal form.
Conclusion
These outcomes recommended that liposomal turmeric prevents MX-induced acute toxicity through its autophagy, antioxidant, and antiapoptotic properties.
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Role of AMPK in Myocardial Ischemia-Reperfusion Injury-Induced Cell Death in the Presence and Absence of Diabetes. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:7346699. [PMID: 36267813 PMCID: PMC9578802 DOI: 10.1155/2022/7346699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 09/29/2022] [Indexed: 11/26/2022]
Abstract
Recent studies indicate cell death is the hallmark of cardiac pathology in myocardial infarction and diabetes. The AMP-activated protein kinase (AMPK) signalling pathway is considered a putative salvaging phenomenon, plays a decisive role in almost all cellular, metabolic, and survival functions, and therefore entails precise regulation of its activity. AMPK regulates various programmed cell death depending on the stimuli and context, including autophagy, apoptosis, necroptosis, and ferroptosis. There is substantial evidence suggesting that AMPK is down-regulated in cardiac tissues of animals and humans with type 2 diabetes or metabolic syndrome compared to non-diabetic control and that stimulation of AMPK (physiological or pharmacological) can ameliorate diabetes-associated cardiovascular complications, such as myocardial ischemia-reperfusion injury. Furthermore, AMPK is an exciting therapeutic target for developing novel drug candidates to treat cell death in diabetes-associated myocardial ischemia-reperfusion injury. Therefore, in this review, we summarized how AMPK regulates autophagic, apoptotic, necroptotic, and ferroptosis pathways in the context of myocardial ischemia-reperfusion injury in the presence and absence of diabetes.
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Wang Y, Zhao R, Zhu X, Gao H, Gong C, Liu X, Zhang H. Discrimination of Cell Death Types with an Activatable Fluorescent Probe through Visualizing the Lysosome Morphology. Anal Chem 2022; 94:13413-13421. [PMID: 36137196 DOI: 10.1021/acs.analchem.2c02036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cell death plays a vital role in body development, maintenance of tissue function, and homeostasis. Accurate evaluation of cell death types is of great importance for pharmacological and pathological research. However, there is a lack of efficient fluorescent probes to discriminate various cell states. Here, we design and synthesize a novel activatable fluorescent probe PNE-Lyso to detect intracellular pH and hexosaminidases with two kinds of fluorescence signals. PNE-Lyso could distinguish dead cells from healthy cells based on a dual-color mode by targeting the lysosome and evaluating lysosomal hexosaminidase activity. Significantly, PNE-Lyso could also discriminate apoptotic and necrotic cells through visualizing lysosome morphology that is adjusted by the integrity of the lysosome membrane. Moreover, probe PNE-Lyso was successfully applied to investigate the drug-induced cell death process. To the best of our knowledge, this work is the first time cell death types have been distinguished based on a single fluorescent probe.
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Affiliation(s)
- Yaya Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.,CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
| | - Ruiyi Zhao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Xinyue Zhu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Hong Gao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Can Gong
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Xiaoyan Liu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Haixia Zhang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
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Melnikov NP, Bolshakov FV, Frolova VS, Skorentseva KV, Ereskovsky AV, Saidova AA, Lavrov AI. Tissue homeostasis in sponges: Quantitative analysis of cell proliferation and apoptosis. JOURNAL OF EXPERIMENTAL ZOOLOGY. PART B, MOLECULAR AND DEVELOPMENTAL EVOLUTION 2022; 338:360-381. [PMID: 35468249 DOI: 10.1002/jez.b.23138] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 02/10/2022] [Accepted: 04/03/2022] [Indexed: 06/14/2023]
Abstract
Tissues of multicellular animals are maintained due to a tight balance between cell proliferation and programmed cell death. Sponges are early branching metazoans essential to understanding the key mechanisms of tissue homeostasis. This article is dedicated to the comparative analysis of proliferation and apoptosis in intact tissues of two sponges, Halisarca dujardinii (class Demospongiae) and Leucosolenia variabilis (class Calcarea). Labeled nucleotides EdU and anti-phosphorylated histone 3 antibodies reveal a considerable number of cycling cells in intact tissues of both species. Quantitative DNA staining reveals the classic cell cycle distribution curve. The main type of cycling cells are choanocytes - flagellated cells of the aquiferous system. The rate of proliferation remains constant throughout various areas of sponge bodies that contain choanocytes. The EdU tracking experiments conducted in H. dujardinii indicate that choanocytes may give rise to mesohyl cells through migration. The number of apoptotic cells in tissues of both species is insignificant, although being comparable to the renewing tissues of other animals. In vivo studies with tetramethylrhodamine ethyl ester and CellEvent Caspase-3/7 indicate that apoptosis might be independent of mitochondrial outer membrane permeabilization. Altogether, a combination of confocal laser scanning microscopy and flow cytometry provides a quantitative description of cell proliferation and apoptosis in sponges displaying either rapid growth or cell turnover.
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Affiliation(s)
- Nikolai P Melnikov
- Department of Invertebrate Zoology, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
| | - Fyodor V Bolshakov
- Pertsov White Sea Biological Station, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
| | - Veronika S Frolova
- Department of Embryology, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
| | - Kseniia V Skorentseva
- Department of Cell Biology and Histologym, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
| | - Alexander V Ereskovsky
- Laboratory "Diversity and Functioning: from Molecules to Ecosystems", Institut Méditerranéen de Biodiversité et d'Ecologie Marine et Continentale (IMBE), Aix Marseille University, CNRS, IRD, Station Marine d'Endoume, Avignon University, Marseille, France
- Department of Embryology, Faculty of Biology, Saint-Petersburg State University, Saint-Petersburg, Russia
- Laboratory of Morphogenesis Evolution, Koltzov Institute of Developmental Biology of Russian Academy of Sciences, Moscow, Russia
| | - Alina A Saidova
- Department of Cell Biology and Histologym, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
- Department of Cell Biotechnology, Center of Experimental Embryology and Reproductive Biotechnology, Moscow, Russia
| | - Andrey I Lavrov
- Pertsov White Sea Biological Station, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
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N(6)-methyladenosine modification: A vital role of programmed cell death in myocardial ischemia/reperfusion injury. Int J Cardiol 2022; 367:11-19. [PMID: 36002042 DOI: 10.1016/j.ijcard.2022.08.042] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 07/08/2022] [Accepted: 08/19/2022] [Indexed: 11/20/2022]
Abstract
N(6)-methyladenosine (m6A) modification is closely associated with myocardial ischemia/reperfusion injury (MIRI). As the most common modification among RNA modifications, the reversible m6A modification is processed by methylase ("writers") and demethylase ("erasers"). The biological effects of RNA modified by m6A are regulated under the corresponding RNA binding proteins (RBPs) ("readers"). m6A modification regulates the whole process of RNA, including transcription, processing, splicing, nuclear export, stability, degradation, and translation. Programmed cell death (PCD) is a regulated mechanism that maintains the internal environment's stability. PCD plays an essential role in MIRI, including apoptosis, autophagy, pyroptosis, ferroptosis, and necroptosis. However, the relationship between PCD modified with m6A and MIRI is still not clear. This review summarizes the regulators of m6A modification and their bioeffects on PCD in MIRI.
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Cell Death Mechanisms in Cerebral Ischemia-Reperfusion Injury. Neurochem Res 2022; 47:3525-3542. [PMID: 35976487 DOI: 10.1007/s11064-022-03697-8] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/11/2022] [Accepted: 07/14/2022] [Indexed: 10/15/2022]
Abstract
Ischemic stroke is one of the major causes of morbidity and mortality, affecting millions of people worldwide. Inevitably, the interruption of cerebral blood supply after ischemia may promote a cascade of pathophysiological processes. Moreover, the subsequent restoration of blood flow and reoxygenation may further aggravate brain tissue injury. Although recombinant tissue plasminogen activator (rt-PA) is the only approved therapy for restoring blood perfusion, the reperfusion injury and the narrow therapeutic time window restrict its application for most stroke patients. Increasing evidence indicates that multiple cell death mechanisms are relevant to cerebral ischemia-reperfusion injury, including apoptosis, necrosis, necroptosis, autophagy, pyroptosis, ferroptosis, and so on. Therefore, it is crucial to comprehend various cell death mechanisms and their interactions. In this review, we summarize the various signaling pathways underlying cerebral ischemia-reperfusion injury and elaborate on the crosstalk between the different mechanisms.
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Exogenous H2S Protects against Septic Cardiomyopathy by Inhibiting Autophagy through the AMPK/mTOR Pathway. CONTRAST MEDIA & MOLECULAR IMAGING 2022; 2022:8464082. [PMID: 35815056 PMCID: PMC9205691 DOI: 10.1155/2022/8464082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 03/26/2022] [Accepted: 04/13/2022] [Indexed: 01/18/2023]
Abstract
Background Given the cardioprotective role of autophagy, this study aimed to investigate the protective effect of exogenous H2S (NaHS) on infectious cardiomyopathy through the inhibition of the AMPK/mTOR pathway. Methods In this study, sepsis models were established by cecal ligation and puncture (CLP) induction in vivo and intraperitoneal injection of NaHS was performed. Autophagy- and apoptosis-related proteins were observed by western blot, isolated myocardial tissue morphology was observed by hematoxylin-eosin (H&E) staining, and myocardial apoptosis was evaluated by the tunnel method. The ultrastructure of autophagy was observed by using an electron transmission electron microscope. Results In an SD rat model of cecum ligation puncture-induced sepsis, the level of autophagy-related proteins was significantly increased, and hematoxylin and eosin staining showed irregular myocardial bands and swollen cardiomyocytes. Following NaHS treatment, the level of autophagy-related proteins decreased, and electron transmission microscopy revealed decreased autophagosomes. Echocardiography suggested an increase in ejection fraction and significant relief of myocardial inhibition. Conclusions Our results suggest that NaHS treatment can attenuate the cellular damage caused by excessive autophagy through the AMPK/mTOR pathway.
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Necroptosis in heart disease: Molecular mechanisms and therapeutic implications. J Mol Cell Cardiol 2022; 169:74-83. [PMID: 35597275 DOI: 10.1016/j.yjmcc.2022.05.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/09/2022] [Accepted: 05/12/2022] [Indexed: 01/11/2023]
Abstract
Cell death is a crucial event underlying cardiac ischemic injury, pathological remodeling, and heart failure. Unlike apoptosis, necrosis had long been regarded as a passive and unregulated process. However, recent studies demonstrate that a significant subset of necrotic cell death is actively mediated through regulated pathways - a process known as "regulated necrosis". As a form of regulated necrosis, necroptosis is mediated by death receptors and executed through the activation of receptor interacting protein kinase 3 (RIPK3) and its downstream substrate mixed lineage kinase-like domain (MLKL). Recent studies have provided compelling evidence that necroptosis plays an important role in myocardial homeostasis, ischemic injury, pathological remodeling, and heart failure. Moreover, it has been shown that genetic and pharmacological manipulations of the necroptosis signaling pathway elicit cardioprotective effects. Important progress has also been made regarding the molecular mechanisms that regulate necroptotic cell death in vitro and in vivo. In this review, we discuss molecular and cellular mechanisms of necroptosis, potential crosstalk between necroptosis and other cell death pathways, functional implications of necroptosis in heart disease, and new therapeutic strategies that target necroptosis signaling.
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Valderrama A, Ortiz-Hernández P, Agraz-Cibrián JM, Tabares-Guevara JH, Gómez DM, Zambrano-Zaragoza JF, Taborda NA, Hernandez JC. Particulate matter (PM 10) induces in vitro activation of human neutrophils, and lung histopathological alterations in a mouse model. Sci Rep 2022; 12:7581. [PMID: 35534522 PMCID: PMC9083477 DOI: 10.1038/s41598-022-11553-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/26/2022] [Indexed: 01/03/2023] Open
Abstract
The epidemiological association between exposure to particulate matter (PM10) and various respiratory and cardiovascular problems is well known, but the mechanisms driving these effects remain unclear. Neutrophils play an essential role in immune defense against foreign agents and also participate in the development of inflammatory responses. However, the role of these cells in the PM10 induced inflammatory response is not yet fully established. Thus, this study aims to evaluate the effect of PM10 on the neutrophil-mediated inflammatory response. For this, neutrophils from healthy adult human donors were in vitro exposed to different concentrations of PM10. The cell viability and cytotoxic activity were evaluated by MTT. LDH, propidium iodide and reactive oxygen species (ROS) were quantified by flow cytometry. Interleukin 8 (IL-8) expression, peptidyl arginine deiminase 4 (PAD4), myeloperoxidase (MPO), and neutrophil elastase (NE) expression were measured by RT-PCR. IL-8 was also quantified by ELISA. Fluorescence microscopy was used to evaluate neutrophil extracellular traps (NETs) release. The in vivo inflammatory responses were assessed in BALB/c mice exposed to PM10 by histopathology and RT-PCR. The analysis shows that PM10 exposure induced a cytotoxic effect on neutrophils, evidenced by necrosis and LDH release at high PM10 concentrations. ROS production, IL-8, MPO, NE expression, and NETs release were increased at all PM10 concentrations assessed. Neutrophil infiltration in bronchoalveolar lavage fluid (BALF), histopathological changes with inflammatory cell infiltration, and CXCL1 expression were observed in PM10-treated mice. The results suggest that lung inflammation in response to PM10 could be mediated by neutrophils activation. In this case, these cells migrate to the lungs and release pro-inflamatory mediators, including ROS, IL-8, and NETs. Thus, contributing to the exacerbation of respiratory pathologies, such as allergies, infectious and obstructive diseases.
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Affiliation(s)
- Andrés Valderrama
- Infettare, Facultad de Medicina, Universidad Cooperativa de Colombia, Medellín, Colombia
| | - Paul Ortiz-Hernández
- Unidad Académica de Ciencias Químico Biológicas y Farmacéuticas, Universidad Autónoma de Nayarit, Tepic, Nayarit, México
| | - Juan Manuel Agraz-Cibrián
- Unidad Académica de Ciencias Químico Biológicas y Farmacéuticas, Universidad Autónoma de Nayarit, Tepic, Nayarit, México
| | | | - Diana M Gómez
- Infettare, Facultad de Medicina, Universidad Cooperativa de Colombia, Medellín, Colombia
| | | | - Natalia A Taborda
- Grupo de Investigaciones Biomédicas Uniremington, Programa de Medicina, Facultad de Ciencias de La Salud, Corporación Universitaria Remington, Medellín, Colombia
| | - Juan C Hernandez
- Infettare, Facultad de Medicina, Universidad Cooperativa de Colombia, Medellín, Colombia.
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50
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Nishida T, Naguro I, Ichijo H. NAMPT-dependent NAD + salvage is crucial for the decision between apoptotic and necrotic cell death under oxidative stress. Cell Death Dis 2022; 8:195. [PMID: 35410407 PMCID: PMC9001718 DOI: 10.1038/s41420-022-01007-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/25/2022] [Accepted: 02/08/2022] [Indexed: 12/03/2022]
Abstract
Oxidative stress is a state in which the accumulation of reactive oxygen species exceeds the capacity of cellular antioxidant systems. Both apoptosis and necrosis are observed under oxidative stress, and we have reported that these two forms of cell death are induced in H2O2-stimulated HeLa cells depending on the concentration of H2O2. Weak H2O2 stimulation induces apoptosis, while strong H2O2 stimulation induces necrosis. However, the detailed mechanisms controlling the switching between these forms of cell death depending on the level of oxidative stress remain elusive. Here, we found that NAD+ metabolism is a key factor in determining the form of cell death in H2O2-stimulated HeLa cells. Under both weak and strong H2O2 stimulation, intracellular nicotinamide adenine dinucleotide (NAD+) was depleted to a similar extent by poly (ADP-ribose) (PAR) polymerase 1 (PARP1)-dependent consumption. However, the intracellular NAD+ concentration recovered under weak H2O2 stimulation but not under strong H2O2 stimulation. NAD+ recovery was mediated by nicotinamide (NAM) phosphoribosyltransferase (NAMPT)-dependent synthesis via the NAD+ salvage pathway, which was suggested to be impaired only under strong H2O2 stimulation. Furthermore, downstream of NAD+, the dynamics of the intracellular ATP concentration paralleled those of NAD+, and ATP-dependent caspase-9 activation via apoptosome formation was thus impaired under strong H2O2 stimulation. Collectively, these findings suggest that NAD+ dynamics balanced by PARP1-dependent consumption and NAMPT-dependent production are important to determine the form of cell death activated under oxidative stress.
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Affiliation(s)
- Takuto Nishida
- Laboratory of Cell Signaling, Graduate School of Pharmaceutical Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Isao Naguro
- Laboratory of Cell Signaling, Graduate School of Pharmaceutical Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan.
| | - Hidenori Ichijo
- Laboratory of Cell Signaling, Graduate School of Pharmaceutical Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan.
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