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Hsiao YF, Cheng SB, Lai CY, Liu HT, Lin HC, Huang YC. Vascular endothelial growth factor is associated with hepatocellular carcinoma recurrence, independent of folate and glutathione-related antioxidant enzymes: A follow-up study. Nutr Res 2024; 128:70-81. [PMID: 39059060 DOI: 10.1016/j.nutres.2024.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 06/30/2024] [Accepted: 06/30/2024] [Indexed: 07/28/2024]
Abstract
The associations of tumor angiogenesis with folate and antioxidant capacities in patients with hepatocellular carcinoma (HCC) and their effects on HCC recurrence have not yet been investigated. We investigated the changes and relationships of VEGF, folate, GSH, and GSH-related antioxidant enzymes in patients with HCC before tumor resection, as well as 1 month, 1 year, and 3 years after tumor resection, and their effects on HCC recurrence. 95 HCC patients who underwent tumor resection were recruited. Patients were followed up before tumor resection (pre-resection), 1 month after tumor resection (post-resection), 1 year, and 3 years of follow-up. The recurrence and survival status of patients were evaluated. Plasma VEGF concentrations decreased slightly during follow-up. Serum folate and GSH concentrations and plasma GPx and GR activities increased significantly from pre-resection to post-resection and remained stable at follow-up. Pre-resection plasma VEGF was positively correlated with GSH, GPx, and GR, but negatively correlated with folate and GST. The high pre-resection plasma VEGF was a significant predictor of a high HCC rate (hazard ratio = 1.05, p = 0.035), remaining significant after adjustments for folate, GSH, GPx, GR, and GST to diminish their interference with VEGF. Pre-tumor-resection plasma VEGF constitutes a potential independent marker for predicting HCC recurrence. However, the associations of plasma VEGF with folate and GSH-related antioxidant capacities in HCC patients cannot be ignored.
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Affiliation(s)
- Yung-Fang Hsiao
- Department of Nutrition, Chung Shan Medical University, Taichung, Taiwan
| | - Shao-Bin Cheng
- Organ Transplantation Center, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung, Taiwan; School of Medicine, Chung Shan Medical University, Taichung, Taiwan; Division of General Surgery, Department of Surgery, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Chia-Yu Lai
- Department of Nutrition, Chung Shan Medical University, Taichung, Taiwan; Organ Transplantation Center, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung, Taiwan
| | - Hsiao-Tien Liu
- Organ Transplantation Center, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung, Taiwan; School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Hui-Chen Lin
- Division of General Surgery, Department of Surgery, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Yi-Chia Huang
- Department of Nutrition, Chung Shan Medical University, Taichung, Taiwan; Department of Nutrition, Chung Shan Medical University Hospital, Taichung, Taiwan.
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2
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Li D, Xu Z, Li Y, Huang Y, Yin J, Li H, Zhang B. Breviscapine attenuates lead‑induced myocardial injury by activating the Nrf2 signaling pathway. Exp Ther Med 2024; 27:26. [PMID: 38125346 PMCID: PMC10728892 DOI: 10.3892/etm.2023.12314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 09/28/2023] [Indexed: 12/23/2023] Open
Abstract
The present study investigated the therapeutic potential of breviscapine (Bre) in mitigating lead (Pb)-induced myocardial injury through activation of the nuclear factor erythroid-2 related factor 2 (Nrf2) pathway. Rat cardiomyocytes (H9C2 cells) were exposed to Pb to model Pb poisoning, and various parameters, including cell viability, apoptosis and reactive oxygen species (ROS) production, were assessed using Cell Counting Kit-8, flow cytometry and 2',7'-dichlorfluoresceindiacetate assays, respectively. Additionally, a rat model of Pb poisoning was established in which blood Pb levels were measured using a graphite furnace atomic absorption spectrophotometer, and alterations in myocardial tissue, oxidative stress markers, inflammatory indicators, protein expression related to apoptosis and the Nrf2 pathway were evaluated via histopathology, ELISA and western blotting. The results showed that Bre treatment enhanced cell viability, decreased apoptosis, and reduced ROS production in Pb-exposed H9C2 cells. Moreover, Bre modulated oxidative stress markers and inflammatory factors while enhancing the expression of proteins in the Nrf2 pathway. In a rat model, Bre mitigated the lead-induced increase in blood Pb levels and myocardial injury biomarkers, and reversed the downregulation of Nrf2 pathway proteins. In conclusion, the current findings suggested that Bre mitigates Pb-induced myocardial injury by activating the Nrf2 signaling pathway, highlighting its potential as a therapeutic agent for protecting the heart from the harmful effects of Pb exposure. Further research is required to elucidate the exact mechanisms and explore the clinical applicability of Bre in mitigating Pb-induced myocardial damage.
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Affiliation(s)
- Dexuan Li
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Zhengliang Xu
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Yashan Li
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Yanmei Huang
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Jiali Yin
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Hongjuan Li
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Beiji Zhang
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
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Wang Y, Zhao J, Xu Y, Tao C, Tong J, Luo Y, Chen Y, Liu X, Xu T. Uncovering SOD3 and GPX4 as new targets of Benzo[α]pyrene-induced hepatotoxicity through Metabolomics and Chemical Proteomics. Redox Biol 2023; 67:102930. [PMID: 37847980 PMCID: PMC10585396 DOI: 10.1016/j.redox.2023.102930] [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: 09/05/2023] [Revised: 10/06/2023] [Accepted: 10/10/2023] [Indexed: 10/19/2023] Open
Abstract
Benzo[α]pyrene (Bap) is recognized as a ubiquitous environmental pollutant among the polycyclic aromatic hydrocarbons (PAHs) class. Previous studies have shown that the hepatotoxicity of Bap is mainly caused by its metabolites, although it remains unclear whether Bap itself induces such damage. This study integrated metabolomics and chemical proteomics approaches to comprehensively identify the potential target proteins affected by Bap in liver cells. The results from the metabolomics showed that the significant changed metabolites were related with cellular redox homeostasis. CEllular Thermal Shift Assay (CETSA) showed that Bap induced protein thermal displacement of superoxide dismutase 3 (SOD3) and glutathione peroxidase 4 (GPX4), which are closely related to oxidative homeostasis. Further validation through in vitro CETSA and drug affinity response target stability (DARTS) revealed that Bap directly affected the stability of SOD3 and GPX4 proteins. The binding affinities of Bap to the potential target proteins were further evaluated using molecular docking, while the isothermal titration calorimetry (ITC) interaction measurements indicated nanomolar-level Kd values. Importantly, we found that Bap weakened the antioxidant capacity by destroying the activities of SOD3 and GPX4, which provided a new understanding of the mechanism of hepatotoxicity induced by Bap. Moreover, our provided workflow integrating metabolomics and label-free chemical proteomics, can be regarded as a practical way to identify the targets and inter-mechanisms for the various environmental compounds.
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Affiliation(s)
- Yanwei Wang
- Key Laboratory of Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Jiahui Zhao
- Department of Geriatrics and Shenzhen Clinical Research Centre for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, Guangdong, 518020, China
| | - Yipeng Xu
- Department of Urology, Zhejiang Cancer Hospital, Hangzhou, Zhejiang, 310022, China
| | - Cimin Tao
- Key Laboratory of Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Jie Tong
- PET Center, Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, CT, 06520, USA
| | - Yingjie Luo
- Key Laboratory of Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China; Cangnan County Qiushi Innovation Research Institute of Traditional Chinese Medicine, Wenzhou, Zhejiang, 325899, China
| | - Yong Chen
- Key Laboratory of Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China; Cangnan County Qiushi Innovation Research Institute of Traditional Chinese Medicine, Wenzhou, Zhejiang, 325899, China
| | - Xuesong Liu
- Key Laboratory of Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China; Cangnan County Qiushi Innovation Research Institute of Traditional Chinese Medicine, Wenzhou, Zhejiang, 325899, China
| | - Tengfei Xu
- Key Laboratory of Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China; Cangnan County Qiushi Innovation Research Institute of Traditional Chinese Medicine, Wenzhou, Zhejiang, 325899, China.
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4
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Minjares M, Wu W, Wang JM. Oxidative Stress and MicroRNAs in Endothelial Cells under Metabolic Disorders. Cells 2023; 12:1341. [PMID: 37174741 PMCID: PMC10177439 DOI: 10.3390/cells12091341] [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: 03/24/2023] [Revised: 04/28/2023] [Accepted: 05/06/2023] [Indexed: 05/15/2023] Open
Abstract
Reactive oxygen species (ROS) are radical oxygen intermediates that serve as important second messengers in signal transduction. However, when the accumulation of these molecules exceeds the buffering capacity of antioxidant enzymes, oxidative stress and endothelial cell (EC) dysfunction occur. EC dysfunction shifts the vascular system into a pro-coagulative, proinflammatory state, thereby increasing the risk of developing cardiovascular (CV) diseases and metabolic disorders. Studies have turned to the investigation of microRNA treatment for CV risk factors, as these post-transcription regulators are known to co-regulate ROS. In this review, we will discuss ROS pathways and generation, normal endothelial cell physiology and ROS-induced dysfunction, and the current knowledge of common metabolic disorders and their connection to oxidative stress. Therapeutic strategies based on microRNAs in response to oxidative stress and microRNA's regulatory roles in controlling ROS will also be explored. It is important to gain an in-depth comprehension of the mechanisms generating ROS and how manipulating these enzymatic byproducts can protect endothelial cell function from oxidative stress and prevent the development of vascular disorders.
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Affiliation(s)
- Morgan Minjares
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA;
| | - Wendy Wu
- Vera P Shiffman Medical Library, Wayne State University, 320 E Canfield St., Detroit, MI 48201, USA;
| | - Jie-Mei Wang
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA;
- Center for Molecular Medicine and Genetics, Wayne State University, 320 E Canfield St., Detroit, MI 48201, USA
- Barbara Ann Karmanos Cancer Institute, 4100 John R St., Detroit, MI 48201, USA
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5
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Sun K, Zhang X, Li X, Li X, Su S, Luo Y, Tian H, Zeng M, Wang C, Xie Y, Zhang N, Cao Y, Zhu Z, Ni Q, Liu W, Xia F, He X, Shi Z, Duan C, Sun H. Plasma metabolic signatures for intracranial aneurysm and its rupture identified by pseudotargeted metabolomics. Clin Chim Acta 2023; 538:36-45. [PMID: 36347333 DOI: 10.1016/j.cca.2022.11.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 10/12/2022] [Accepted: 11/01/2022] [Indexed: 11/08/2022]
Abstract
BACKGROUND AND AIMS The vital metabolic signatures for IA risk stratification and its potential biological underpinnings remain elusive. Our study aimed to develop an early diagnosis model and rupture classification model by analyzing plasma metabolic profiles of IA patients. MATERIALS AND METHODS Plasma samples from a cohort of 105 participants, including 75 IA patients in unruptured and ruptured status (UIA, RIA) and 30 control participants were collected for comprehensive metabolic evaluation using ultra-high-performance liquid chromatography-mass spectrometry-based pseudotargeted metabolomics method. Furthermore, an integrated machine learning strategy based on LASSO, random forest and logistic regression were used for feature selection and model construction. RESULTS The metabolic profiling disturbed significantly in UIA and RIA patients. Notably, adenosine content was significantly downregulated in UIA, and various glycine-conjugated secondary bile acids were decreased in RIA patients. Enriched KEGG pathways included glutathione metabolism and bile acid metabolism. Two sets of biomarker panels were defined to discriminate IA and its rupture with the area under receiver operating characteristic curve of 0.843 and 0.929 on the validation sets, respectively. CONCLUSIONS The present study could contribute to a better understanding of IA etiopathogenesis and facilitate discovery of new therapeutic targets. The metabolite panels may serve as potential non-invasive diagnostic and risk stratification tool for IA.
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Affiliation(s)
- Kaijian Sun
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Xin Zhang
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Xin Li
- Clinical Biobank Centre, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Xifeng Li
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Shixing Su
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Yunhao Luo
- Clinical Biobank Centre, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Hao Tian
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Meiqin Zeng
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Cheng Wang
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Yugu Xie
- Clinical Biobank Centre, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Nan Zhang
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Ying Cao
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Zhaohua Zhu
- Clinical Research Centre, Orthopedic Centre, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Qianlin Ni
- Wuhan Metware Biotechnology Co., Ltd., Wuhan 430000, China
| | - Wenchao Liu
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Fangbo Xia
- Clinical Biobank Centre, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Xuying He
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China
| | - Zunji Shi
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Center for Grassland Microbiome, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China.
| | - Chuanzhi Duan
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China.
| | - Haitao Sun
- Neurosurgery Center, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, The National Key Clinical Specialty, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China; Clinical Biobank Centre, Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong, China; Key Laboratory of Mental Health of the Ministry of Education, Guangdong-Hong Kong-Macao Greater Bay Area Centre for Brain Science and Brain-Inspired Intelligence, Southern Medical University, Guangzhou 510515, Guangdong, China.
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6
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Zhang Z, Zhang Q, Xue Y, Fang H, Wu Z. Serum levels of reduced glutathione, oxidized glutathione, and glutathione reductase activity in minor recurrent aphthous stomatitis patients. J Dent Sci 2022. [DOI: 10.1016/j.jds.2022.11.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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7
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Zhang H, Zheng Y, Zha X, Liu X, Ma Y, Loor JJ, Elsabagh M, Wang M, Wang H, Jiang H. Dietary N-carbamylglutamate and L-arginine supplementation improves redox status and suppresses apoptosis in the colon of intrauterine growth-retarded suckling lambs. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2022; 11:359-368. [PMID: 36329684 PMCID: PMC9618968 DOI: 10.1016/j.aninu.2022.08.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 06/16/2022] [Accepted: 08/12/2022] [Indexed: 01/09/2023]
Abstract
Previous studies have revealed that dietary N-carbamylglutamate (NCG) or L-arginine (Arg) improves small intestinal integrity and immune function in suckling Hu lambs that have experienced intrauterine growth retardation (IUGR). Whether these nutrients alter redox status and apoptosis in the colon of IUGR lambs is still unknown. This study, therefore, aimed at investigating whether dietary supplementation of Arg or NCG alters colonic redox status, apoptosis and endoplasmic reticulum (ER) stress and the underlying mechanism of these alterations in IUGR suckling Hu lambs. Forty-eight 7-d old Hu lambs, including 12 with normal birth weight (4.25 ± 0.14 kg) and 36 with IUGR (3.01 ± 0.12 kg), were assigned to 4 treatment groups (n = 12 each; 6 males and 6 females) for 3 weeks. The treatment groups were control (CON), IUGR, IUGR + Arg and IUGR + NCG. Relative to IUGR lambs, superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) content, as well as proliferation index, were higher (P < 0.05) whereas reactive oxygen species (ROS), malondialdehyde (MDA) levels and apoptotic cell numbers were lower (P < 0.05) in colonic tissue for both IUGR + Arg and NCG lambs. Both mRNA and protein levels of C/EBP homologous protein 10 (CHOP10), B-cell lymphoma/leukaemia 2 (Bcl-2) -associated X protein (Bax), apoptosis antigen 1 (Fas), activating transcription factor 6 (ATF6), caspase 3, and glucose-regulated protein 78 (GRP78) were lower (P < 0.05) while glutathione peroxidase 1 (GPx1), Bcl-2 and catalase (CAT) levels were higher (P < 0.05) in colonic tissue for IUGR + Arg and IUGR + NCG lambs compared with IUGR lambs. Based on our results, dietary NCG or Arg supplementation can improve colonic redox status and suppress apoptosis via death receptor-dependent, mitochondrial and ER stress pathways in IUGR suckling lambs.
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Affiliation(s)
- Hao Zhang
- Laboratory of Metabolic Manipulation of Herbivorous Animal Nutrition, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China,Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
| | - Yi Zheng
- Laboratory of Metabolic Manipulation of Herbivorous Animal Nutrition, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China,Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
| | - Xia Zha
- Laboratory of Metabolic Manipulation of Herbivorous Animal Nutrition, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China,Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
| | - Xiaoyun Liu
- Laboratory of Metabolic Manipulation of Herbivorous Animal Nutrition, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China,Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
| | - Yi Ma
- Laboratory of Metabolic Manipulation of Herbivorous Animal Nutrition, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China,Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
| | - Juan J. Loor
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana, IL, 61801, USA
| | - Mabrouk Elsabagh
- Department of Animal Production and Technology, Faculty of Agricultural Sciences and Technologies, Niğde Ömer Halisdemir University, Nigde 51240, Turkey,Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
| | - Mengzhi Wang
- Laboratory of Metabolic Manipulation of Herbivorous Animal Nutrition, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China,Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
| | - Hongrong Wang
- Laboratory of Metabolic Manipulation of Herbivorous Animal Nutrition, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China,Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
| | - Honghua Jiang
- Department of Pediatrics, Northern Jiangsu People’s Hospital, Clinical Medical College, Yangzhou University, Yangzhou 225001, China,Corresponding author.
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Oocytes maintain ROS-free mitochondrial metabolism by suppressing complex I. Nature 2022; 607:756-761. [PMID: 35859172 PMCID: PMC9329100 DOI: 10.1038/s41586-022-04979-5] [Citation(s) in RCA: 85] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/15/2022] [Indexed: 12/23/2022]
Abstract
Oocytes form before birth and remain viable for several decades before fertilization1. Although poor oocyte quality accounts for most female fertility problems, little is known about how oocytes maintain cellular fitness, or why their quality eventually declines with age2. Reactive oxygen species (ROS) produced as by-products of mitochondrial activity are associated with lower rates of fertilization and embryo survival3-5. Yet, how healthy oocytes balance essential mitochondrial activity with the production of ROS is unknown. Here we show that oocytes evade ROS by remodelling the mitochondrial electron transport chain through elimination of complex I. Combining live-cell imaging and proteomics in human and Xenopus oocytes, we find that early oocytes exhibit greatly reduced levels of complex I. This is accompanied by a highly active mitochondrial unfolded protein response, which is indicative of an imbalanced electron transport chain. Biochemical and functional assays confirm that complex I is neither assembled nor active in early oocytes. Thus, we report a physiological cell type without complex I in animals. Our findings also clarify why patients with complex-I-related hereditary mitochondrial diseases do not experience subfertility. Complex I suppression represents an evolutionarily conserved strategy that allows longevity while maintaining biological activity in long-lived oocytes.
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Le Y, Zhang Z, Wang C, Lu D. Ferroptotic Cell Death: New Regulatory Mechanisms for Metabolic Diseases. Endocr Metab Immune Disord Drug Targets 2021; 21:785-800. [DOI: 10.2174/1871530320666200731175328] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/06/2020] [Accepted: 07/07/2020] [Indexed: 11/22/2022]
Abstract
Background:
Cell death is a fundamental biological phenomenon that contributes to the
pathogenesis of various diseases. Regulation of iron and iron metabolism has received considerable
research interests especially concerning the progression of metabolic diseases.
Discussion:
Emerging evidence shows that ferroptosis, a non-apoptotic programmed cell death induced by iron-dependent
lipid peroxidation, contributes to the development of complex diseases such as non-alcoholic steatohepatitis, cardiomyopathy, renal ischemia-reperfusion, and neurodegenerative diseases. Therefore, inhibiting ferroptosis can improve the pathophysiology of associated metabolic diseases. This review describes the vital role of ferroptosis in mediating the development
of certain metabolic diseases. Besides, the potential risk of iron and ferroptosis in atherosclerosis and cardiovascular diseases is also described. Iron overload and ferroptosis are potential secondary causes of death in metabolic diseases. Moreover,
this review also provides potential novel approaches against ferroptosis based on recent research advances.
Conclusion:
Several controversies exist concerning mechanisms underlying ferroptotic cell death in metabolic diseases, particularly in atherosclerosis. Since ferroptosis participates in the progression of metabolic diseases such as non-alcoholic steatohepatitis (NASH), there is a need to develop new drugs targeting ferroptosis to alleviate such diseases.
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Affiliation(s)
- Yifei Le
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhijie Zhang
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Cui Wang
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Dezhao Lu
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
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10
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Qiao Y, Wang L, Hu T, Yin D, He H, He M. Capsaicin protects cardiomyocytes against lipopolysaccharide-induced damage via 14-3-3γ-mediated autophagy augmentation. Front Pharmacol 2021; 12:659015. [PMID: 33986684 PMCID: PMC8111444 DOI: 10.3389/fphar.2021.659015] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/30/2021] [Indexed: 12/16/2022] Open
Abstract
Background: The myocardium is susceptible to lipopolysaccharide (LPS)-induced damage in sepsis, and cardiac dysfunction is a leading cause of mortality in patients with sepsis. The changes in cardiomyocyte autophagy in sepsis and the effects and mechanism of action of capsaicin (Cap) remain unclear. Methods and Results: The potential pathway of 14-3-3γ-dependent autophagy and the effects and mechanisms of Cap were studied in LPS-induced injury to primary cultured neonatal rat cardiomyocytes. The results showed that cardiomyocyte viability decreased, lactate dehydrogenase and creatine kinase activities increased, 14-3-3γ expression was downregulated, and autophagy was inhibited after LPS challenge. Cap pretreatment augmented autophagy by upregulating 14-3-3γ expression and activating AMP-activated protein kinase (AMPK) and unc-51 like autophagy-activating kinase 1 (ULK1), suppressing mammalian target of rapamycin (mTOR), alleviating cardiac dysfunction and improving the inflammation response, whereas pAD/14-3-3γ-shRNA nullified the above effects. Cap pretreatment also decreased the levels of IL-1β, TNF-α, IL-6, and IL-10; suppressed intracellular oxidative stress; reduced the intracellular/mitochondrial reactive oxygen species (ROS); balanced GSH/GSSG; increased GSH-Px, catalase, and SOD activities; and decreased MDA contents. It also increased ATP content, activated complex Ⅰ and complex Ⅲ, stabilized the mitochondrial membrane potential, and decreased the mitochondrial permeability transition pore opening, thereby improving mitochondrial function. Conclusion: Pretreatment with Cap can regulate autophagy by upregulating 14-3-3γ expression, inhibiting oxidative stress and inflammation, maintaining mitochondrial function, and protecting cardiomyocytes against LPS-induced injury.
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Affiliation(s)
- Yang Qiao
- Institute of Cardiovascular Diseases, Jiangxi Academy of Clinical Medical Sciences, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Liang Wang
- Department of Rehabilitation, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Tianhong Hu
- Jiangxi Provincial Key Laboratory of Basic Pharmacology, Nanchang University School of Pharmaceutical Science, Nanchang, China
| | - Dong Yin
- Jiangxi Provincial Key Laboratory of Molecular Medicine, The Second Affiliated Hospital, Nanchang University, Nanchang, China
| | - Huan He
- Jiangxi Provincial Key Laboratory of Basic Pharmacology, Nanchang University School of Pharmaceutical Science, Nanchang, China
| | - Ming He
- Institute of Cardiovascular Diseases, Jiangxi Academy of Clinical Medical Sciences, The First Affiliated Hospital of Nanchang University, Nanchang, China
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11
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Investigating the Thioredoxin and Glutathione Systems' Response in Lymphoma Cells after Treatment with [Au(d2pype)2]CL. Antioxidants (Basel) 2021; 10:antiox10010104. [PMID: 33451071 PMCID: PMC7828567 DOI: 10.3390/antiox10010104] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/06/2021] [Accepted: 01/08/2021] [Indexed: 01/19/2023] Open
Abstract
Lymphoma is a blood cancer comprising various subtypes. Although effective therapies are available, some patients fail to respond to treatment and can suffer from side effects. Antioxidant systems, especially the thioredoxin (Trx) and glutathione (GSH) systems, are known to enhance cancer cell survival, with thioredoxin reductase (TrxR) recently reported as a potential anticancer target. Since the GSH system can compensate for some Trx system functions, we investigated its response in three lymphoma cell lines after inhibiting TrxR activity with [Au(d2pype)2]Cl, a known TrxR inhibitor. [Au(d2pype)2]Cl increased intracellular reactive oxygen species (ROS) levels and induced caspase-3 activity leading to cell apoptosis through inhibiting both TrxR and glutathione peroxidase (Gpx) activity. Expression of the tumour suppresser gene TXNIP increased, while GPX1 and GPX4 expression, which are related to poor prognosis of lymphoma patients, decreased. Unlike SUDHL2 and SUDHL4 cells, which exhibited a decreased GSH/GSSG ratio after treatment, in KMH2 cells the ratio remained unchanged, while glutathione reductase and glutaredoxin expression increased. Since KMH2 cells were less sensitive to treatment with [Au(d2pype)2]Cl, the GSH system may play a role in protecting cells from apoptosis after TrxR inhibition. Overall, our study demonstrates that inhibition of TrxR represents a valid therapeutic approach for lymphoma.
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12
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Wang B, Li Y, You C. miR-129-3p Targeting of MCU Protects Against Glucose Fluctuation-Mediated Neuronal Damage via a Mitochondrial-Dependent Intrinsic Apoptotic Pathway. Diabetes Metab Syndr Obes 2021; 14:153-163. [PMID: 33488104 PMCID: PMC7815084 DOI: 10.2147/dmso.s285179] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 12/12/2020] [Indexed: 02/05/2023] Open
Abstract
INTRODUCTION Glucose fluctuations have an adverse effect on several diabetes-related complications, especially for the nervous system, but the underlying mechanisms are not clear. MicroRNAs are critical regulators of posttranscription in many physiological processes, such as apoptosis. Our study clarified the neuroprotective effects of miR-129-3p targeting mitochondrial calcium uniporter (MCU) in glucose fluctuation-mediated neuronal damage and the specific mechanisms involved. METHODS The expression of MCU and miR-129-3p was examined by real-time PCR and Western blot in the glucose fluctuation cell model. Dual-luciferase reporter assay was performed to confirm the transcriptional regulation of miR-129-3p by MCU. Fluorescent probe and assay kit assay was used to determine oxidative stress condition. Mitochondrial-dependent intrinsic apoptotic factors were examined by flow cytometry assay, enzyme-linked immunosorbent assay (ELISA), and gene and protein expression assays. RESULTS We found an upregulation of MCU and downregulation of miR-129-3p in glucose fluctuation-treated primary hippocampal neuronal cells, and miR-129-3p directly targeted MCU. miR-129-3p overexpression produced a dramatic reduction in calcium overload, reactive oxygen species (ROS) generation, GSH-to-GSSG ratio, MMP-2 expression in the mitochondrial-dependent intrinsic apoptosis pathway and an increase in MnSOD activity. Increasing MCU expression rescued the effects of miR-129-3p overexpression. miR-129-3p downregulation produced a significant increase in calcium overload, reactive oxygen species (ROS) generation, MMP-2 expression, cytochrome c release and cell apoptosis, and antioxidant N-acetyl cysteine (NAC) rescued the effects of miR-129-3p downregulation. CONCLUSION Therefore, miR-129-3p suppressed glucose fluctuation-mediated neuronal damage by targeting MCU via a mitochondrial-dependent intrinsic apoptotic pathway. The miR-129-3p/MCU axis may be a promising therapeutic target for glucose fluctuation-mediated neuronal damage.
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Affiliation(s)
- Bo Wang
- Department of Neurosurgery, West China School of Medicine/West China Hospital of Sichuan University, Chengdu, Sichuan610041, People’s Republic of China
- Department of Neurosurgery, Kunming Medical University First Affiliated Hospital, Kunming, Yunnan650032, People’s Republic of China
| | - Yang Li
- Intensive Care Unit, West China School of Medicine/West China Hospital of Sichuan University, Chengdu, Sichuan610041, People’s Republic of China
| | - Chao You
- Department of Neurosurgery, West China School of Medicine/West China Hospital of Sichuan University, Chengdu, Sichuan610041, People’s Republic of China
- Correspondence: Chao You Department of Neurosurgery, West China School of Medicine/West China Hospital of Sichuan University, Chengdu, Sichuan610041, People’s Republic of ChinaTel +86 28-85422026 Email
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13
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Rashdan NA, Shrestha B, Pattillo CB. S-glutathionylation, friend or foe in cardiovascular health and disease. Redox Biol 2020; 37:101693. [PMID: 32912836 PMCID: PMC7767732 DOI: 10.1016/j.redox.2020.101693] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 08/12/2020] [Accepted: 08/16/2020] [Indexed: 12/27/2022] Open
Abstract
Glutathione is a low molecular weight thiol that is present at high levels in the cell. The high levels of glutathione in the cell make it one of the most abundant antioxidants contributing to cellular redox homeostasis. As a general rule, throughout cardiovascular disease and progression there is an imbalance in redox homeostasis characterized by reactive oxygen species overproduction and glutathione underproduction. As research into these imbalances continues, glutathione concentrations are increasingly being observed to drive various physiological and pathological signaling responses. Interestingly in addition to acting directly as an antioxidant, glutathione is capable of post translational modifications (S-glutathionylation) of proteins through both chemical interactions and enzyme mediated events. This review will discuss both the chemical and enzyme-based S-glutathionylation of proteins involved in cardiovascular pathologies and angiogenesis.
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Affiliation(s)
- N A Rashdan
- Department of Cellular and Molecular Physiology, Louisiana State Health Science Center, Shreveport, LA, USA
| | - B Shrestha
- Department of Cellular and Molecular Physiology, Louisiana State Health Science Center, Shreveport, LA, USA
| | - C B Pattillo
- Department of Cellular and Molecular Physiology, Louisiana State Health Science Center, Shreveport, LA, USA.
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14
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Margaritelis NV, Paschalis V, Theodorou AA, Kyparos A, Nikolaidis MG. Redox basis of exercise physiology. Redox Biol 2020; 35:101499. [PMID: 32192916 PMCID: PMC7284946 DOI: 10.1016/j.redox.2020.101499] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/20/2020] [Accepted: 03/05/2020] [Indexed: 12/15/2022] Open
Abstract
Redox reactions control fundamental processes of human biology. Therefore, it is safe to assume that the responses and adaptations to exercise are, at least in part, mediated by redox reactions. In this review, we are trying to show that redox reactions are the basis of exercise physiology by outlining the redox signaling pathways that regulate four characteristic acute exercise-induced responses (muscle contractile function, glucose uptake, blood flow and bioenergetics) and four chronic exercise-induced adaptations (mitochondrial biogenesis, muscle hypertrophy, angiogenesis and redox homeostasis). Based on our analysis, we argue that redox regulation should be acknowledged as central to exercise physiology.
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Affiliation(s)
- N V Margaritelis
- Department of Physical Education and Sport Science at Serres, Aristotle University of Thessaloniki, Thessaloniki, Greece; Dialysis Unit, 424 General Military Hospital of Thessaloniki, Thessaloniki, Greece.
| | - V Paschalis
- School of Physical Education and Sport Science, National and Kapodistrian University of Athens, Athens, Greece
| | - A A Theodorou
- Department of Life Sciences, School of Sciences, European University Cyprus, Nicosia, Cyprus
| | - A Kyparos
- Department of Physical Education and Sport Science at Serres, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - M G Nikolaidis
- Department of Physical Education and Sport Science at Serres, Aristotle University of Thessaloniki, Thessaloniki, Greece.
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15
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Protective Effect of Coconut Oil Meal Phenolic Antioxidants against Macromolecular Damage: In Vitro and In Vivo Study. J CHEM-NY 2020. [DOI: 10.1155/2020/3503165] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Coconut oil meal, a cheap by-product of coconut oil production, is a rich source of phenolic antioxidants. Many age-related diseases are caused by reactive oxygen species- (ROS-) induced damage to macromolecules such as lipids, proteins, and DNA. In the present study, the protective effect of the phenolic extract of coconut oil meal (CMPE) against macromolecular oxidative damage was evaluated using in vitro and in vivo models. Sunflower oil, bovine serum albumin (BSA), and plasmid DNA were used in the in vitro study, and thiobarbituric acid reactive substances (TBARS), protein carbonyl, and nicked DNA were evaluated as oxidation products. The inhibitory effect of CMPE against H2O2-induced macromolecular damage was evaluated using cultured HEp-2 cells. The results indicate that CMPE inhibits macromolecular damage both in vitro and in vivo. In addition, CMPE regulates redox status of HEp-2 cells under oxidative stress conditions by maintaining higher reduced glutathione levels. There was no significant difference in the expression of glutathione peroxidase in stressed and unstressed cells suggesting that CMPE regulates the cellular oxidative stress responses without affecting the expression of oxidative stress response genes. Oral feeding of Wistar rats with CMPE improves the serum and plasma antioxidant status without causing any toxic effects.
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16
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Sezgin B, Pirinççi F, Camuzcuoğlu A, Erel Ö, Neşelioğlu S, Camuzcuoğlu H. Assessment of thiol disulfide balance in early‐stage endometrial cancer. J Obstet Gynaecol Res 2020; 46:1140-1147. [DOI: 10.1111/jog.14301] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/06/2020] [Accepted: 04/29/2020] [Indexed: 01/31/2023]
Affiliation(s)
- Burak Sezgin
- Department of Obstetrics and Gynecology, Faculty of Medicine Muğla Sıtkı Koçman University Muğla Turkey
| | - Fatih Pirinççi
- Department of Obstetrics and Gynecology, Faculty of Medicine Muğla Sıtkı Koçman University Muğla Turkey
| | - Aysun Camuzcuoğlu
- Department of Obstetrics and Gynecology Private Adatıp Sakarya Hospital Sakarya Turkey
| | - Özcan Erel
- Department of Clinical Biochemistry, Faculty of Medicine Yıldırım Beyazit University Ankara Turkey
| | - Salim Neşelioğlu
- Department of Clinical Biochemistry, Faculty of Medicine Yıldırım Beyazit University Ankara Turkey
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Primer KR, Psaltis PJ, Tan JT, Bursill CA. The Role of High-Density Lipoproteins in Endothelial Cell Metabolism and Diabetes-Impaired Angiogenesis. Int J Mol Sci 2020; 21:E3633. [PMID: 32455604 PMCID: PMC7279383 DOI: 10.3390/ijms21103633] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/13/2020] [Accepted: 05/18/2020] [Indexed: 12/14/2022] Open
Abstract
Diabetes mellitus affects millions of people worldwide and is associated with devastating vascular complications. A number of these complications, such as impaired wound healing and poor coronary collateral circulation, are characterised by impaired ischaemia-driven angiogenesis. There is increasing evidence that high-density lipoproteins (HDL) can rescue diabetes-impaired angiogenesis through a number of mechanisms, including the modulation of endothelial cell metabolic reprogramming. Endothelial cell metabolic reprogramming in response to tissue ischaemia is a driver of angiogenesis and is dysregulated by diabetes. Specifically, diabetes impairs pathways that allow endothelial cells to upregulate glycolysis in response to hypoxia adequately and impairs suppression of mitochondrial respiration. HDL rescues the impairment of the central hypoxia signalling pathway, which regulates these metabolic changes, and this may underpin several of its known pro-angiogenic effects. This review discusses the current understanding of endothelial cell metabolism and how diabetes leads to its dysregulation whilst examining the various positive effects of HDL on endothelial cell function.
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Affiliation(s)
- Khalia R. Primer
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia 5000, Australia; (K.R.P.); (P.J.P.); (J.T.M.T.)
- Vascular Research Centre, South Australian Health and Medical Research Centre, Adelaide, South Australia 5000, Australia
- Centre for Nanoscale Biophotonics, Adelaide, South Australia 5000, Australia
| | - Peter J. Psaltis
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia 5000, Australia; (K.R.P.); (P.J.P.); (J.T.M.T.)
- Vascular Research Centre, South Australian Health and Medical Research Centre, Adelaide, South Australia 5000, Australia
| | - Joanne T.M. Tan
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia 5000, Australia; (K.R.P.); (P.J.P.); (J.T.M.T.)
- Vascular Research Centre, South Australian Health and Medical Research Centre, Adelaide, South Australia 5000, Australia
| | - Christina A. Bursill
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia 5000, Australia; (K.R.P.); (P.J.P.); (J.T.M.T.)
- Vascular Research Centre, South Australian Health and Medical Research Centre, Adelaide, South Australia 5000, Australia
- Centre for Nanoscale Biophotonics, Adelaide, South Australia 5000, Australia
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Panday S, Talreja R, Kavdia M. The role of glutathione and glutathione peroxidase in regulating cellular level of reactive oxygen and nitrogen species. Microvasc Res 2020; 131:104010. [PMID: 32335268 DOI: 10.1016/j.mvr.2020.104010] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 04/20/2020] [Accepted: 04/20/2020] [Indexed: 12/23/2022]
Abstract
Glutathione (GSH) and GSH/glutathione peroxidase (GPX) enzyme system is essential for normal intracellular homeostasis and gets disturbed under pathophysiologic conditions including endothelial dysfunction. Overproduction of reactive oxidative species (ROS) and reactive nitrogen species (RNS) including superoxide (O2•-), and the loss of nitric oxide (NO) bioavailability is a characteristic of endothelial dysfunction. The GSH/GPX system play an important role in eliminating ROS/RNS. Studies have provided important information regarding the interactions of ROS/RNS with the GSH/GPX in biological systems; however, it is not clear how this cross talk affect these reactive species and GSH/GPX enzyme system, under physiologic and oxidative/nitrosative stress conditions. In the present study, we developed a detailed endothelial cell kinetic model to understand the relationship amongst the key enzyme systems including GSH, GPX, peroxiredoxin (Prx) and reactive species, such as hydrogen peroxide (H2O2), peroxynitrite (ONOO-), and dinitrogen trioxide (N2O3). Our simulation results showed that the alterations in the generation rates of O2•- and NO led to the formation of a wide range of ROS and RNS. Simulations performed by varying the ratio of O2•- to NO generation rates as well as GSH and GPX concentrations showed that the GPX reducing capacity was dependent on GSH availability, level of oxidative/nitrosative stress, and can be attributed to N2O3 levels, but not to H2O2 and ONOO-. Our results showed that N2O3 mediated switch-like depletion in GSH and the incorporation of Prx had no considerable effect on the ROS/RNS species other than ONOO- and H2O2. The analysis presented in this study will improve our understanding of vascular diseases in which the levels and oxidation states of GSH, GPX and/or Prx are significantly altered and pharmacological interventions show limited benefits.
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Affiliation(s)
- Sheetal Panday
- Department of Biomedical Engineering, Wayne State University, Detroit, MI 48202, United States of America
| | - Raghav Talreja
- Department of Biomedical Engineering, Wayne State University, Detroit, MI 48202, United States of America
| | - Mahendra Kavdia
- Department of Biomedical Engineering, Wayne State University, Detroit, MI 48202, United States of America.
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Wang J, Toan S, Zhou H. New insights into the role of mitochondria in cardiac microvascular ischemia/reperfusion injury. Angiogenesis 2020; 23:299-314. [PMID: 32246225 DOI: 10.1007/s10456-020-09720-2] [Citation(s) in RCA: 188] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 03/30/2020] [Indexed: 12/19/2022]
Abstract
As reperfusion therapies have become more widely used in acute myocardial infarction patients, ischemia-induced myocardial damage has been markedly reduced, but reperfusion-induced cardiac injury has become increasingly evident. The features of cardiac ischemia-reperfusion (I/R) injury include microvascular perfusion defects, platelet activation and sequential cardiomyocyte death due to additional ischemic events at the reperfusion stage. Microvascular obstruction, defined as a no-reflow phenomenon, determines the infarct zone, myocardial function and peri-operative mortality. Cardiac microvascular endothelial cell injury may occur much earlier and with much greater severity than cardiomyocyte injury. Endothelial cells contain fewer mitochondria than other cardiac cells, and several of the pathological alterations during cardiac microvascular I/R injury involve mitochondria, such as increased mitochondrial reactive oxygen species (mROS) levels and disturbed mitochondrial dynamics. Although mROS are necessary physiological second messengers, high mROS levels induce oxidative stress, endothelial senescence and apoptosis. Mitochondrial dynamics, including fission, fusion and mitophagy, determine the shape, distribution, size and function of mitochondria. These adaptive responses modify extracellular signals and orchestrate intracellular processes such as cell proliferation, migration, metabolism, angiogenesis, permeability transition, adhesive molecule expression, endothelial barrier function and anticoagulation. In this review, we discuss the involvement of mROS and mitochondrial morphofunction in cardiac microvascular I/R injury.
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Affiliation(s)
- Jin Wang
- Chinese PLA General Hospital, Medical School of Chinese PLA, Beijing, 100853, China
| | - Sam Toan
- Department of Chemical Engineering, University of Minnesota-Duluth, Duluth, MN, 55812, USA
| | - Hao Zhou
- Chinese PLA General Hospital, Medical School of Chinese PLA, Beijing, 100853, China. .,Department of Cardiology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
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20
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Capsaicin Alleviates the Deteriorative Mitochondrial Function by Upregulating 14-3-3 η in Anoxic or Anoxic/Reoxygenated Cardiomyocytes. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1750289. [PMID: 32190168 PMCID: PMC7073486 DOI: 10.1155/2020/1750289] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 01/14/2020] [Accepted: 02/03/2020] [Indexed: 12/18/2022]
Abstract
Reactive oxygen species (ROS) are byproducts of a defective electron transport chain (ETC). The redox couples, GSH/GSSG and NAD+/NADH, play an essential role in physiology as internal defenses against excessive ROS generation by facilitating intracellular/mitochondrial (mt) redox homeostasis. Anoxia alone and anoxia/reoxygenation (A/R) are dissimilar pathological processes. In this study, we measured the impact of capsaicin (Cap) on these pathological processes using a primary cultured neonatal rat cardiomyocyte in vitro model. The results showed that overproduction of ROS was tightly associated with disturbed GSH/GSSG and NAD+/NADH suppressed mt complex I and III activities, decreased oxygen consumption rates, and elevated extracellular acidification rates. During anoxia or A/R period, these indices interact with each other causing the mitochondrial function to worsen. Cap protected cardiomyocytes against the different stages of A/R injury by rescuing NAD+/NADH, GSH/GSSG, and mt complex I/III activities and cellular energy metabolism. Importantly, Cap-mediated upregulation of 14-3-3η, a protective phosphoserine-binding protein in cardiomyocytes, ameliorated mt function caused by a disruptive redox status and an impaired ETC. In conclusion, redox pair, mt complex I/III, and metabolic equilibrium were significantly different in anoxia alone and A/R injury; Cap through upregulating 14-3-3η plays a protection against the above injury in cardiomyocyte.
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Liu X, Li K, Zhang F, Zhang Y, Deng C, Guo C. Ablation of glutaredoxin 1 promotes pulmonary angiogenesis and alveolar formation in hyperoxia-injured lungs by modifying HIF-1α stability and inhibiting the NF-κB pathway. Biochem Biophys Res Commun 2020; 525:528-535. [PMID: 32113683 DOI: 10.1016/j.bbrc.2020.02.129] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 02/19/2020] [Indexed: 10/24/2022]
Abstract
Glutaredoxin 1 (Grx1) is an important thiol transferase that catalyses the deglutathionylation of proteins through its active site. Deletion of Grx1 increases levels of glutathione-protein adducts and improves ischaemic revascularization. In this study, we investigated whether the absence of Grx1 ameliorates pathological changes in blood vessels and alveoli in a mouse model exposed to hyperoxic conditions. High oxygen exposure for three consecutive weeks increased the levels of Grx1 in the lungs of hyperoxic mice from control levels, while Grx1 levels in Grx1 knockout (KO) mice were significantly reduced under high oxygen conditions. Exposure to 85% oxygen for 21 days reduced alveolarization in wild-type (WT) mice but increased the numbers of alveoli and the survival rate of Grx1 KO littermates. Importantly, vascular endothelial growth factor receptor 2 (VEGFR2) and vascular endothelial growth factor A (VEGFA) expressions were increased in Grx1 KO mice after hyperoxia treatment, and these effects were probably attributable to increased hypoxia-inducible factor (HIF)-1α expression. On the other hand, in response to nuclear factor (NF)-κB inhibition by Grx1 ablation, chemokine and caspase-3 levels were reduced, although the Bcl-2:Bax ratio was increased. Here, we provide evidence that Grx1 plays an important role in regulating pathological damage under hyperoxic conditions by promoting HIF-1α stability and inhibiting the NF-κB pathway in vivo. Our study highlights the functional importance of the Grx1/protein S-glutathionylation (PSSG) redox module in the regulation of ischaemic revascularization, indicating potential clinical and therapeutic applications.
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Affiliation(s)
- Xuwei Liu
- Department of Neonatology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, PR China; Chongqing Key Laboratory of Pediatrics, PR China
| | - Kexin Li
- Laboratory Animal Center, Chongqing Medical University, Chongqing, PR China
| | - Fengmei Zhang
- Laboratory Animal Center, Chongqing Medical University, Chongqing, PR China
| | - Yunfei Zhang
- Department of Hepatology and Liver Transplantation Center, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, PR China; Chongqing Key Laboratory of Pediatrics, PR China
| | - Chun Deng
- Yongchuan Hospital of Chongqing Medical University, Chongqing, PR China.
| | - Chunbao Guo
- Department of Hepatology and Liver Transplantation Center, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, PR China; Chongqing Key Laboratory of Pediatrics, PR China.
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22
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Wang Y, Tang J, Yang Y, Song H, Fu J, Gu Z, Yu C. Functional Nanoparticles with a Reducible Tetrasulfide Motif to Upregulate mRNA Translation and Enhance Transfection in Hard‐to‐Transfect Cells. Angew Chem Int Ed Engl 2020; 59:2695-2699. [DOI: 10.1002/anie.201914264] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Indexed: 12/25/2022]
Affiliation(s)
- Yue Wang
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Jie Tang
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Yannan Yang
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Hao Song
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Jianye Fu
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Zhengying Gu
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Chengzhong Yu
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
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23
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Wang Y, Tang J, Yang Y, Song H, Fu J, Gu Z, Yu C. Functional Nanoparticles with a Reducible Tetrasulfide Motif to Upregulate mRNA Translation and Enhance Transfection in Hard‐to‐Transfect Cells. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201914264] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yue Wang
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Jie Tang
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Yannan Yang
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Hao Song
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Jianye Fu
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Zhengying Gu
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
| | - Chengzhong Yu
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane QLD 4072 Australia
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Pathological Roles of Mitochondrial Oxidative Stress and Mitochondrial Dynamics in Cardiac Microvascular Ischemia/Reperfusion Injury. Biomolecules 2020; 10:biom10010085. [PMID: 31948043 PMCID: PMC7023463 DOI: 10.3390/biom10010085] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 01/03/2020] [Accepted: 01/03/2020] [Indexed: 12/12/2022] Open
Abstract
Mitochondria are key regulators of cell fate through controlling ATP generation and releasing pro-apoptotic factors. Cardiac ischemia/reperfusion (I/R) injury to the coronary microcirculation has manifestations ranging in severity from reversible edema to interstitial hemorrhage. A number of mechanisms have been proposed to explain the cardiac microvascular I/R injury including edema, impaired vasomotion, coronary microembolization, and capillary destruction. In contrast to their role in cell types with higher energy demands, mitochondria in endothelial cells primarily function in signaling cellular responses to environmental cues. It is clear that abnormal mitochondrial signatures, including mitochondrial oxidative stress, mitochondrial fission, mitochondrial fusion, and mitophagy, play a substantial role in endothelial cell function. While the pathogenic role of each of these mitochondrial alterations in the endothelial cells I/R injury remains complex, profiling of mitochondrial oxidative stress and mitochondrial dynamics in endothelial cell dysfunction may offer promising potential targets in the search for novel diagnostics and therapeutics in cardiac microvascular I/R injury. The objective of this review is to discuss the role of mitochondrial oxidative stress on cardiac microvascular endothelial cells dysfunction. Mitochondrial dynamics, including mitochondrial fission and fusion, are critically discussed to understand their roles in endothelial cell survival. Finally, mitophagy, as a degradative mechanism for damaged mitochondria, is summarized to figure out its contribution to the progression of microvascular I/R injury.
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Tian GE, Zhou JT, Liu XJ, Huang YC. Mechanoresponse of stem cells for vascular repair. World J Stem Cells 2019; 11:1104-1114. [PMID: 31875871 PMCID: PMC6904862 DOI: 10.4252/wjsc.v11.i12.1104] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 08/25/2019] [Accepted: 09/13/2019] [Indexed: 02/06/2023] Open
Abstract
Stem cells have shown great potential in vascular repair. Numerous evidence indicates that mechanical forces such as shear stress and cyclic strain can regulate the adhesion, proliferation, migration, and differentiation of stem cells via serious signaling pathways. The enrichment and differentiation of stem cells play an important role in the angiogenesis and maintenance of vascular homeostasis. In normal tissues, blood flow directly affects the microenvironment of vascular endothelial cells (ECs); in pathological status, the abnormal interactions between blood flow and vessels contribute to the injury of vessels. Next, the altered mechanical forces are transduced into cells by mechanosensors to trigger the reformation of vessels. This process occurs when signaling pathways related to EC differentiation are initiated. Hence, a deep understanding of the responses of stem cells to mechanical stresses and the underlying mechanisms involved in this process is essential for clinical translation. In this the review, we provide an overview of the role of stem cells in vascular repair, outline the performance of stem cells under the mechanical stress stimulation, and describe the related signaling pathways.
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Affiliation(s)
- Ge-Er Tian
- Regenerative Medicine Research Center of West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Jun-Teng Zhou
- Department of Cardiology of West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Xiao-Jing Liu
- Regenerative Medicine Research Center of West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Yong-Can Huang
- Shenzhen Engineering Laboratory of Orthopaedic Regenerative Technologies, National and Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen 518036, Guangdong Province, China
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Ma T, Shi YL, Wang YL. Forsythiaside A protects against focal cerebral ischemic injury by mediating the activation of the Nrf2 and endoplasmic reticulum stress pathways. Mol Med Rep 2019; 20:1313-1320. [PMID: 31173213 DOI: 10.3892/mmr.2019.10312] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 10/24/2018] [Indexed: 11/05/2022] Open
Abstract
Ischemic stroke is a common type of stroke with a high mortality and morbidity rate. Preventing and controlling cerebral ischemic injury is particularly important. Forsythiaside A (FA) has been reported to have anti‑inflammatory and antioxidant activities. The aim of the present study was to explore the impact of FA on middle cerebral artery occlusion (MCAO)‑induced cerebral ischemic injury in rats. The results indicated that FA markedly increased the percent survival and decreased the neurological deficit score in rats with cerebral ischemic injury. Furthermore, cell apoptosis was significantly inhibited by FA administration, which was accompanied by decreased caspase‑3 and caspase‑9 expression. A marked increase in the expression levels of nuclear factor‑erythroid 2‑related factor 2 (Nrf2), NAD(P)H quinone dehydrogenase 1 and glutathione‑s‑transferase was detected in FA‑treated rats. In addition, treatment with FA reduced malonaldehyde expression, and enhanced the expression of superoxide dismutase and glutathione. Furthermore, endoplasmic reticulum (ER) stress was vastly alleviated by FA treatment, as evidenced by the increased expression of B‑cell lymphoma 2, apoptosis regulator and the downregulated expression of phosphorylated (phospho)‑protein kinase RNA‑like ER kinase (PERK)/PERK, phospho‑inositol‑requiring enzyme 1 (IRE1α)/IRE1α and CCAAT‑enhancer‑binding proteins homologous protein. Taken together, the present study demonstrated that FA attenuated cerebral ischemic damage via mediation of the activation of Nrf2 and ER stress pathways. These data may provide ideas for novel treatment strategies of cerebral ischemic damage.
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Affiliation(s)
- Tao Ma
- Department of Neurology, Xintai Municipal People's Hospital, Xintai, Shandong 271200, P.R. China
| | - Ya-Ling Shi
- Department of Neurology, The First Hospital of Xi'an, Xi'an, Shaanxi 710002, P.R. China
| | - Yan-Ling Wang
- Department of Neurology, Cangzhou People's Hospital, Cangzhou, Hebei 061000, P.R. China
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Cui Q, Wang JQ, Assaraf YG, Ren L, Gupta P, Wei L, Ashby CR, Yang DH, Chen ZS. Modulating ROS to overcome multidrug resistance in cancer. Drug Resist Updat 2018; 41:1-25. [DOI: 10.1016/j.drup.2018.11.001] [Citation(s) in RCA: 273] [Impact Index Per Article: 45.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 10/26/2018] [Accepted: 11/02/2018] [Indexed: 02/07/2023]
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