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Wei C. The Role of Glutathione Peroxidase 4 in Neuronal Ferroptosis and Its Therapeutic Potential in Ischemic and Hemorrhagic Stroke. Brain Res Bull 2024:111065. [PMID: 39243947 DOI: 10.1016/j.brainresbull.2024.111065] [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: 05/09/2024] [Revised: 08/22/2024] [Accepted: 08/31/2024] [Indexed: 09/09/2024]
Abstract
Ferroptosis is a type of cell death that depends on iron and is driven by lipid peroxidation, playing a crucial role in neuronal death during stroke. A central element in this process is the inactivation of glutathione peroxidase 4 (GPx4), an antioxidant enzyme that helps maintain redox balance by reducing lipid hydroperoxides. This review examines the critical function of GPx4 in controlling neuronal ferroptosis following ischemic and hemorrhagic stroke. We explore the mechanisms through which GPx4 becomes inactivated in various stroke subtypes. In ischemic strokes, excess glutamate depletes glutathione (GSH) and products of hemoglobin breakdown overwhelm GPx4. Studies using genetic models with GPx4 deficiency underscore its vital role in maintaining neuronal survival and function. We also consider new therapeutic approaches to enhance GPx4 activity, including novel small molecule activators, adjustments in GSH metabolism, and selenium supplementation. Additionally, we outline the potential benefits of combining these GPx4-focused strategies with other anti-ferroptotic methods like iron chelation and lipoxygenase inhibition for enhanced neuroprotection. Furthermore, we highlight the significance of understanding the timing of GPx4 inactivation during stroke progression to design effective therapeutic interventions.
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Affiliation(s)
- Chao Wei
- Feinberg school of medicine, Northwestern University, Illinois, 60611, USA
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Wu Z, Jiao M, Wang T, Zhang B, Dong H, Du Y, Yao J, Zou W. Efficacy of acupuncture in experimental intracerebral hemorrhage: a systematic review and meta-analysis. Front Neurol 2024; 15:1402129. [PMID: 38938782 PMCID: PMC11208702 DOI: 10.3389/fneur.2024.1402129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 05/31/2024] [Indexed: 06/29/2024] Open
Abstract
Objective There is currently a lack of evidence in evidence-based medicine regarding acupuncture treatment for experimental intracerebral hemorrhage (ICH). The aim of this study was to systematically evaluate the efficacy of acupuncture treatment for experimental ICH based on neurological function scores and brain water content (BWC). Methods Eight mainstream Chinese and English databases were searched. Outcome measures included neurological function scores and BWC, and subgroup analysis was conducted based on study characteristics. Results A total of 32 studies were included. Meta-analysis results indicated that compared to the control group, the acupuncture group showed significant reductions in mNSS (MD = -3.16, p < 0.00001), Bederson score (MD = -0.99, p < 0.00001), Longa score (MD = -0.54, p < 0.0001), and brain water content (MD = -5.39, p < 0.00001). Subgroup analysis revealed that for mNSS, the autologous blood model (MD = -3.36) yielded better results than the collagenase model (MD = -0.92, p < 0.00001), and simple fixation (MD = -3.38) or no fixation (MD = -3.39) was superior to sham acupuncture (MD = -0.92, p < 0.00001). For BWC, the autologous blood model (MD = -7.73) outperformed the collagenase model (MD = -2.76, p < 0.00001), and GV20-GB7 (MD = -7.27) was more effective than other acupuncture points (MD = -2.92, p = 0.0006). Conclusion Acupuncture significantly improves neurological deficits and brain edema in experimental ICH. Acupuncture at GV20 - GB7 is more effective than at other points. These findings support further studies to translate acupuncture into clinical treatment for human ICH. Systematic review registration https://www.crd.york.ac.uk/prospero/, identifier CRD42023435584.
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Affiliation(s)
- Zhe Wu
- First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Mingyuan Jiao
- Research and Teaching Department, Jinhua Maternal and Child Health Hospital, Jinhua, China
| | - Tianqi Wang
- First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Baiwen Zhang
- Integrated Chinese and Western Medicine Clinical Key Laboratory, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Hao Dong
- First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Yunpeng Du
- First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jiayong Yao
- First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Wei Zou
- First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
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Chen Y, Li Y, Wu M, Li Z. Electroacupuncture improves cognitive function in APP/PS1 mice by inhibiting oxidative stress related hippocampal neuronal ferroptosis. Brain Res 2024; 1831:148744. [PMID: 38163562 DOI: 10.1016/j.brainres.2023.148744] [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: 09/22/2023] [Revised: 12/03/2023] [Accepted: 12/29/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Electroacupuncture, recognized as a crucial non-pharmacological therapeutic approach, has demonstrated notable efficacy in enhancing cognitive function among Alzheimer's disease (AD) patients. This study aimed to investigate the neuroprotective properties of electroacupuncture in APP/PS1 mice with AD. METHODS A total of thirty APP/PS1 mice were randomly assigned to three groups: the Alzheimer's disease group (AD), the electroacupuncture treatment group (EA), and the ferroptosis inhibitor deferasirox treatment group (DFX). Additionally, ten C57BL/6 mice were included as a control group (Control). In the EA group, mice underwent flat needling at Baihui and Yintang, as well as point needling at Renzhong, once daily for 15 min each time. In the DFX group, mice received intraperitoneal injections of deferasirox at a dosage of 100 mg/kg/day. Following the 28-day treatment period, behavioral evaluation, morphological observation of neurons, and detection of neuronal ferroptosis were conducted. RESULTS The electroacupuncture treatment demonstrated a significant improvement in spatial learning, memory ability, and neuronal damage in mice with AD. Analysis of neuronal ferroptosis markers indicated that electroacupuncture interventions reduced the elevated levels of malondialdehyde, iron, and ptgs2 expression, while also increasing superoxide dismutase activity, Ferroportin 1 and glutathione peroxidase 4 expression. Moreover, the regulatory impact of electroacupuncture on ferroptosis may be attributed to its ability to enhance the expression and nuclear translocation of Nrf2. CONCLUSIONS This study suggested that electroacupuncture could inhibit the neuronal ferroptosis by activating the antioxidant function in neurons through p62/Keap1/Nrf2 signal pathway, thereby improve the cognitive function of AD mice by the neuronal protection effect.
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Affiliation(s)
- Yu Chen
- School of Acupuncture, Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Yitong Li
- School of Acupuncture, Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Meng Wu
- School of Acupuncture, Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Zhigang Li
- School of Acupuncture, Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China.
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Zhang C, Zheng J, Yu X, Kuang B, Dai X, Zheng L, Yu W, Teng W, Cao H, Li M, Yao J, Liu X, Zou W. "Baihui" (DU20)-penetrating "Qubin" (GB7) acupuncture on blood-brain barrier integrity in rat intracerebral hemorrhage models via the RhoA/ROCK II/MLC 2 signaling pathway. Animal Model Exp Med 2024. [PMID: 38379356 DOI: 10.1002/ame2.12374] [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: 10/28/2023] [Accepted: 11/21/2023] [Indexed: 02/22/2024] Open
Abstract
BACKGROUND Blocking the RhoA/ROCK II/MLC 2 (Ras homolog gene family member A/Rho kinase II/myosin light chain 2) signaling pathway can initiate neuroprotective mechanisms against neurological diseases such as stroke, cerebral ischemia, and subarachnoid hemorrhage. Nevertheless, it is not clear whether and how disrupting the RhoA/ROCK II/MLC 2 signaling pathway changes the pathogenic processes of the blood-brain barrier (BBB) after intracerebral hemorrhage (ICH). The present investigation included the injection of rat caudal vein blood into the basal ganglia area to replicate the pathophysiological conditions caused by ICH. METHODS Scalp acupuncture (SA) therapy was performed on rats with ICH at the acupuncture point "Baihui"-penetrating "Qubin," and the ROCK selective inhibitor fasudil was used as a positive control to evaluate the inhibitory effect of acupuncture on the RhoA/ROCK II/MLC 2 signaling pathway. Post-assessments included neurological deficits, brain edema, Evans blue extravasation, Western blot, quantitative polymerase chain reaction, and transmission electron microscope imaging. RESULTS We found that ROCK II acts as a promoter of the RhoA/ROCK II/MLC 2 signaling pathway, and its expression increased at 6 h after ICH, peaked at 3 days, and then decreased at 7 days after ICH, but was still higher than the pre-intervention level. According to some experimental results, although 3 days is the peak, 7 days is the best time point for acupuncture treatment. Starting from 6 h after ICH, the neurovascular structure and endothelial cell morphology around the hematoma began to change. Based on the changes in the promoter ROCK II, a 7-day time point was selected as the breakthrough point for treating ICH model rats in the main experiment. The results of this experiment showed that both SA at "Baihui"-penetrating "Qubin" and treatment with fasudil could improve the expression of endothelial-related proteins by inhibiting the RhoA/ROCK II/MLC 2 signaling pathway and reduce neurological dysfunction, brain edema, and BBB permeability in rats. CONCLUSION This study found that these experimental data indicated that SA at "Baihui"-penetrating "Qubin" could preserve BBB integrity and neurological function recovery after ICH by inhibiting RhoA/ROCK II/MLC 2 signaling pathway activation and by regulating endothelial cell-related proteins.
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Affiliation(s)
- Ce Zhang
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jia Zheng
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xueping Yu
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Binglin Kuang
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xiaohong Dai
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Lei Zheng
- Clinical Key Laboratory of Integrated Traditional Chinese and Western Medicine of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Weiwei Yu
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Wei Teng
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Hongtao Cao
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Mingyue Li
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jiayong Yao
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xiaoying Liu
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Wei Zou
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
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Huang Q, Yu X, Fu P, Wu M, Yin X, Chen Z, Zhang M. Mechanisms and therapeutic targets of mitophagy after intracerebral hemorrhage. Heliyon 2024; 10:e23941. [PMID: 38192843 PMCID: PMC10772251 DOI: 10.1016/j.heliyon.2023.e23941] [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: 06/25/2023] [Revised: 11/03/2023] [Accepted: 12/15/2023] [Indexed: 01/10/2024] Open
Abstract
Mitochondria are dynamic organelles responsible for cellular energy production. In addition to regulating energy homeostasis, mitochondria are responsible for calcium homeostasis, clearance of damaged organelles, signaling, and cell survival in the context of injury and pathology. In stroke, the mechanisms underlying brain injury secondary to intracerebral hemorrhage are complex and involve cellular hypoxia, oxidative stress, inflammatory responses, and apoptosis. Recent studies have shown that mitochondrial damage and autophagy are essential for neuronal metabolism and functional recovery after intracerebral hemorrhage, and are closely related to inflammatory responses, oxidative stress, apoptosis, and other pathological processes. Because hypoxia and inflammatory responses can cause secondary damage after intracerebral hemorrhage, the restoration of mitochondrial function and timely clearance of damaged mitochondria have neuroprotective effects. Based on studies on mitochondrial autophagy (mitophagy), cellular inflammation, apoptosis, ferroptosis, the BNIP3 autophagy gene, pharmacological and other regulatory approaches, and normobaric oxygen (NBO) therapy, this article further explores the neuroprotective role of mitophagy after intracerebral hemorrhage.
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Affiliation(s)
- Qinghua Huang
- Department of Neurology, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi 332000, China
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, 332000, China
| | - Xiaoqin Yu
- Department of Neurology, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi 332000, China
| | - Peijie Fu
- Department of Neurology, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi 332000, China
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, 332000, China
| | - Moxin Wu
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, 332000, China
- Department of Medical Laboratory, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi, 332000, China
| | - Xiaoping Yin
- Department of Neurology, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi 332000, China
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, 332000, China
| | - Zhiying Chen
- Department of Neurology, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi 332000, China
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, 332000, China
| | - Manqing Zhang
- School of Basic Medicine, Jiujiang University, Jiujiang, Jiangxi, 332000, China
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Li S, Wen P, Zhang D, Li D, Gao Q, Liu H, Di Y. PGAM5 expression levels in heart failure and protection ROS-induced oxidative stress and ferroptosis by Keap1/Nrf2. Clin Exp Hypertens 2023; 45:2162537. [PMID: 36780919 DOI: 10.1080/10641963.2022.2162537] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
OBJECTIVES As a common and frequently occurring disease, heart failure has been paid more and more attention, but the mechanism of its occurrence and development is still unclear. This study investigated that PGAM5 expression levels in heart failure and its underlying mechanisms in vivo and in vitro. METHODS The inhibition of PGAM5 mRNA expression levels in patients with heart failure was compared with the normal group. RESULTS The serum of PGAM5 mRNA expression was negative correlation with collagen I and collagen III in patients with heart failure. PGAM5 mRNA and protein expression in the heart tissue of mice with heart failure were down-regulated at a time-dependent rate. The inhibition of PGAM5 presented heart failure in the model. PGAM5 reduced inflammation and inhibited ROS-induced oxidative stress in models of heart failure. PGAM5 reduced Ferroptosis in models of heart failure. PGAM5 regulated Keap1/Nrf2 signaling pathway. IP also showed that PGAM5 protein combined with the Keap1 protein. PGAM5 could increase Keap1 protein ubiquitination. Keap1 inhibition affected the effects of PGAM5 in model of heart failure. CONCLUSIONS We conclude that the protection of PGAM5 reduced ROS-induced oxidative stress and ferroptosis by the Keap1/Nrf2 signaling pathway in heart failure, suggesting that targeting this mechanism of PGAM5 may be a feasible strategy to treat heart failure.
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Affiliation(s)
- Shuangfei Li
- Department of Cardiovascular Medicine, Sichuan Mianyang 404 Hospital, Mianyang, China
| | - Ping Wen
- Department of Cardiovascular Medicine, Sichuan Mianyang 404 Hospital, Mianyang, China
| | - Dayong Zhang
- Department of Cardiovascular Medicine, Sichuan Mianyang 404 Hospital, Mianyang, China
| | - Decai Li
- Department of Cardiovascular Medicine, Sichuan Mianyang 404 Hospital, Mianyang, China
| | - Qidong Gao
- Department of Cardiovascular Medicine, Sichuan Mianyang 404 Hospital, Mianyang, China
| | - Hong Liu
- Department of Cardiovascular Medicine, Sichuan Mianyang 404 Hospital, Mianyang, China
| | - Yunfeng Di
- Department of Cardiovascular Medicine, Sichuan Mianyang 404 Hospital, Mianyang, China
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Deng X, Chu W, Zhang H, Peng Y. Nrf2 and Ferroptosis: A New Research Direction for Ischemic Stroke. Cell Mol Neurobiol 2023; 43:3885-3896. [PMID: 37728817 DOI: 10.1007/s10571-023-01411-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Accepted: 09/04/2023] [Indexed: 09/21/2023]
Abstract
Ischemic stroke (IS) is one of the leading causes of death and morbidity worldwide. As a novel form of cell death, ferroptosis is an important mechanism of ischemic stroke. Nuclear factor E2-related factor 2 (Nrf2) is the primary regulator of cellular antioxidant response. In addition to alleviating ischemic stroke nerve damage by reducing oxidative stress, Nrf2 regulates genes associated with ferroptosis, suggesting that Nrf2 may inhibit ferroptosis after ischemic stroke. However, the specific pathway of Nrf2 on ferroptosis in the field of ischemic stroke remains unclear. Therefore, this paper provides a concise overview of the mechanisms underlying ferroptosis, with a particular focus on the regulatory role of Nrf2. The discussion highlights the potential connections between Nrf2 and the mitigation of oxidative stress, regulation of iron metabolism, modulation of the interplay between ferroptosis and inflammation, as well as apoptosis. This paper focuses on the specific pathway of Nrf2 regulation of ferroptosis after ischemic stroke, providing scientific research ideas for further research on the treatment of ischemic stroke.
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Affiliation(s)
- Xiaoman Deng
- Department of Acupuncture and Rehabilitation, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, Jiangsu Province, China
| | - Wenming Chu
- Henan University of Chinese Medicine, Zhengzhou, 450000, Henan Province, China
| | - Hanrui Zhang
- Department of Acupuncture and Rehabilitation, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, Jiangsu Province, China
| | - Yongjun Peng
- Department of Acupuncture and Rehabilitation, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, Jiangsu Province, China.
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Zhou Y, Wang Y, Wu X, Wu J, Yan J, Su W. Carthamin yellow attenuates brain injury in a neonatal rat model of ischemic-hypoxic encephalopathy by inhibiting neuronal ferroptosis in the hippocampus. Transl Neurosci 2023; 14:20220331. [PMID: 38239704 PMCID: PMC10795005 DOI: 10.1515/tnsci-2022-0331] [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: 06/22/2023] [Revised: 12/17/2023] [Accepted: 12/18/2023] [Indexed: 01/22/2024] Open
Abstract
Hypoxic-ischemic encephalopathy (HIE) is a common neurological disorder characterized by ischemia and hypoxia in the perinatal period, which seriously affects the growth and development of newborns. To date, there is no specific drug for the treatment of HIE. Previous studies have shown that ferroptosis plays an important role in the pathogenesis of HIE. Carthamin yellow (CY) is believed to have antioxidant and anti-inflammatory effects. However, no studies have reported the role of CY in ferroptosis in HIE in vivo until now. The aim of this study was to investigate the effect and mechanism of CY on HIE in vivo and to provide an experimental basis for the clinical treatment of HIE. The results demonstrated that CY increased the expression of NeuN in the neonatal rat hypoxic-ischemic brain damage (HIBD) model. Further exploration revealed that CY increased the expression of glutathione peroxidase 4 and ferritin heavy chain 1 while it decreased the expression of PTGS2 and ACSL2. Moreover, CY decreased malondialdehyde expression and increased superoxide dismutase and glutathione expression in vivo. The findings also indicated that CY downregulated the expression of Nrf2 and Keap-1. In conclusion, this study demonstrated that CY attenuated brain injury in an experimental HIBD model, potentially by alleviating hippocampal neuronal ferroptosis through inhibition of the Nrf2/Keap-1 signaling pathway. These findings provide a novel therapeutic strategy for the clinical treatment of HIE.
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Affiliation(s)
- Yuanyu Zhou
- Department of Pediatrics, Affiliated Hospital of Xiangnan University, Chenzhou, 423000, Hunan, China
| | - Yuebin Wang
- Department of Pediatrics, Affiliated Hospital of Xiangnan University, Chenzhou, 423000, Hunan, China
| | - Xiaoqing Wu
- Department of Pediatrics, Affiliated Hospital of Xiangnan University, Chenzhou, 423000, Hunan, China
| | - Junjie Wu
- Clinical College of Xiangnan University, Affiliated Hospital of Xiangnan University, Chenzhou, 423000, Hunan, China
| | - Jianhui Yan
- Department of General Practice, Affiliated Hospital of Xiangnan University, Chenzhou, 423000, Hunan, China
| | - Wei Su
- Department of Pediatrics, Affiliated Hospital of Xiangnan University, Chenzhou, 423000, Hunan, China
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Wang Y, Zhang Z, Jiao W, Wang Y, Wang X, Zhao Y, Fan X, Tian L, Li X, Mi J. Ferroptosis and its role in skeletal muscle diseases. Front Mol Biosci 2022; 9:1051866. [PMID: 36406272 PMCID: PMC9669482 DOI: 10.3389/fmolb.2022.1051866] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022] Open
Abstract
Ferroptosis is characterized by the accumulation of iron and lipid peroxidation products, which regulates physiological and pathological processes in numerous organs and tissues. A growing body of research suggests that ferroptosis is a key causative factor in a variety of skeletal muscle diseases, including sarcopenia, rhabdomyolysis, rhabdomyosarcoma, and exhaustive exercise-induced fatigue. However, the relationship between ferroptosis and various skeletal muscle diseases has not been investigated systematically. This review’s objective is to provide a comprehensive summary of the mechanisms and signaling factors that regulate ferroptosis, including lipid peroxidation, iron/heme, amino acid metabolism, and autophagy. In addition, we tease out the role of ferroptosis in the progression of different skeletal muscle diseases and ferroptosis as a potential target for the treatment of multiple skeletal muscle diseases. This review can provide valuable reference for the research on the pathogenesis of skeletal muscle diseases, as well as for clinical prevention and treatment.
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Affiliation(s)
- Ying Wang
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Zepeng Zhang
- Research Center of Traditional Chinese Medicine, The First Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China
| | - Weikai Jiao
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Yanyan Wang
- Department of Endocrinology, The First Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China
| | - Xiuge Wang
- Department of Endocrinology, The First Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China
| | - Yunyun Zhao
- Department of Endocrinology, The First Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China
| | - Xuechun Fan
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Lulu Tian
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiangyan Li
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Changchun University of Chinese Medicine, Changchun, China
- *Correspondence: Xiangyan Li, ; Jia Mi,
| | - Jia Mi
- Department of Endocrinology, The First Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China
- *Correspondence: Xiangyan Li, ; Jia Mi,
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10
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Research progress of traditional Chinese medicine in ferroptosis-related diseases. MEDICINE IN NOVEL TECHNOLOGY AND DEVICES 2022. [DOI: 10.1016/j.medntd.2022.100193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Wang K, Wang Z, Wang Z, Xie X, Zang L, Wang L, Che F. Stellera chamaejasme L. extracts in the treatment of glioblastoma cell lines: Biological verification based on a network pharmacology approach. Front Oncol 2022; 12:962970. [PMID: 36059675 PMCID: PMC9428724 DOI: 10.3389/fonc.2022.962970] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 07/28/2022] [Indexed: 11/21/2022] Open
Abstract
Background Stellera chamaejasme L (RXLD) has been demonstrated with good clinical effects and medicinal value in the treatment of cancer in vivo and in vitro. Specifically, RXLD can eliminate aggregation accumulation, which is depicted as a vital characteristic feature of intracranial tumors. The potential pharmacological mechanisms of anti-glioblastoma (GBM) have not been adequately identified. Methods The 3D structures of the chemical ingredients in RXLD were imported into the PharmMapper database to construct the pharmacophore models. The gene targets of GBM were obtained from databases. The pharmacophore-targets network and the protein-protein interactions (PPI) were constructed using the String database and were visualized by using Cytoscape. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes pathway (KEGG) enrichment analyses were conducted using Bioconductor software. Cytoscape visualized the relationship of pathways and candidate genes to screen for key target genes. Software packages PyMOL, AutoDock, and Vina acquired the molecular docking results. In vitro experiments were undertaken to characterize RXLD extracts’ effects on A172 cell line proliferation, viability, apoptosis, cell cycle, cell wound healing, cell migration, reactive oxygen species generation, and mitochondrial membrane potential. The expression of core genes in the related pathways was detected by Western blotting. Results We identified 216 potential targets associated with GBM. The core components in RXLD were neochamaejasmin A, wikstrol A, isochamaejasmin, chamaejasmine, and subtoxin A. The undertaken GO enrichment analysis revealed that oxidative stress, cell proliferation, cell cycle, cell invasion, and cell migration were involved in the biological processes. The KEGG enrichment analysis revealed that the crucial pathway was MAPK pathway, while HRAS, PRKCB, MAPK9, CCND1, and TP53 were distributed in core locations. A total of seven RXLD pharmacophores demonstrated strong spontaneous docking activities with MAPK9. In vitro assays indicated that RXLD can induce apoptosis, block the cell cycle in the G2/M and S phases, inhibit cell migration via the Wnt/β-catenin pathway, and inhibited p62/Nrf2 pathway. Conclusions We speculate that the RAS/MAPK pathway might be an upstream pathway through which the RXLD exerts its anti-GBM effects and might be able to regulate further the Wnt/β-catenin, the oxidative stress, and the ferroptosis pathways.
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Affiliation(s)
- Kaiyue Wang
- Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Neurology, Linyi People’s Hospital, Shandong University, Linyi, China
| | - Zengyong Wang
- Central Laboratory, Linyi People’s Hospital, Shandong University, Linyi, China
- Key Laboratory of Neurophysiology, Linyi, China
- Key Laboratory of Tumor Biology, Linyi, China
| | - Zhiqiang Wang
- Central Laboratory, Linyi People’s Hospital, Shandong University, Linyi, China
- Key Laboratory of Neurophysiology, Linyi, China
- Key Laboratory of Tumor Biology, Linyi, China
| | - Xiaoli Xie
- Central Laboratory, Linyi People’s Hospital, Shandong University, Linyi, China
- Key Laboratory of Neurophysiology, Linyi, China
- Key Laboratory of Tumor Biology, Linyi, China
| | - Lanlan Zang
- Central Laboratory, Linyi People’s Hospital, Shandong University, Linyi, China
- Key Laboratory of Neurophysiology, Linyi, China
- Key Laboratory of Tumor Biology, Linyi, China
- Clinical Pharmacological Laboratory, Linyi People’s Hospital, Shandong University, Linyi, China
- *Correspondence: Lanlan Zang, ; Lijuan Wang, ; Fengyuan Che,
| | - Lijuan Wang
- Central Laboratory, Linyi People’s Hospital, Shandong University, Linyi, China
- Key Laboratory of Neurophysiology, Linyi, China
- Key Laboratory of Tumor Biology, Linyi, China
- Department of Hematology, Linyi People’s Hospital, Shandong University, Linyi, China
- *Correspondence: Lanlan Zang, ; Lijuan Wang, ; Fengyuan Che,
| | - Fengyuan Che
- Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Neurology, Linyi People’s Hospital, Shandong University, Linyi, China
- Central Laboratory, Linyi People’s Hospital, Shandong University, Linyi, China
- Key Laboratory of Neurophysiology, Linyi, China
- Key Laboratory of Tumor Biology, Linyi, China
- *Correspondence: Lanlan Zang, ; Lijuan Wang, ; Fengyuan Che,
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Electroacupuncture Reduces Cerebral Hemorrhage Injury in Rats by Improving Cerebral Iron Metabolism. Mediators Inflamm 2022; 2022:6943438. [PMID: 36016663 PMCID: PMC9398869 DOI: 10.1155/2022/6943438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/14/2022] [Accepted: 07/29/2022] [Indexed: 11/19/2022] Open
Abstract
Objective To study the effects of electroacupuncture at Baihui and Dazhui points on the expression of hepcidin (Hepc), transferrin (Tf), transferrin receptor (TfR), and ferritin (Ft) in rats with cerebral hemorrhage to provide a theoretical basis for the treatment of cerebral hemorrhage with acupuncture. Method The model of cerebral hemorrhage in rats was established by autologous blood injection method and treated by electroacupuncture (EA) at the acupoints of Baihui and Dazhui. Hepc siRNA was injected into the lateral ventricle 30 min before model preparation to produce the cerebral hemorrhage model. The modified neurological severity score (mNSS) was used to assess the neurological function, and the total iron content in brain tissue was determined using atomic absorption spectrometry; the expression of Hepc, Ft, Tf, and TfR in perihematoma tissue was detected using immunohistochemistry; the interference efficiency of Hepc siRNA was detected using western blot and reverse transcription polymerase chain reaction (RT-PCR). Results The degree of neurological deficit showed a downward trend at 3 days, 7 days, and 14 days, and electroacupuncture significantly reduced the neurological deficit score at each time point (P < 0.01). Regarding total iron content in brain tissue, on the 3rd day, the 7th day, and the 14th day, the iron content of the hematoma tissue after intracerebral hemorrhage was reduced by electroacupuncture (P < 0.01). Regarding immunohistochemical results. Hepc, Ft, Tf, and TfR protein expressions on day 14 were significantly higher after cerebral hemorrhage (P < 0.01). After electroacupuncture, the expression of Hepc, Ft, Tf, and TfR protein was significantly reduced (P < 0.01). Western blot and RT-PCR revealed that the interference efficiency of Hepc siRNA was statistically significant (P < 0.01). Conclusion Electroacupuncture can reduce neurological severity scores in rats with cerebral hemorrhage and may exert cerebral protective effects by reducing Hepc protein and gene expression; lowering Ft, Tf, and TfR protein expression; and promoting iron metabolism in the brain of rats with cerebral hemorrhage.
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Targeting Ferroptosis in Colorectal Cancer. Metabolites 2022; 12:metabo12080745. [PMID: 36005616 PMCID: PMC9414109 DOI: 10.3390/metabo12080745] [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: 07/03/2022] [Revised: 08/09/2022] [Accepted: 08/10/2022] [Indexed: 12/24/2022] Open
Abstract
Ferroptosis is a unique way of regulating cell death (RCD), which is quite different from other programmed cell deaths such as autophagy. It presents iron overload, accumulation of reactive oxygen species (ROS), and lipid peroxidation. A ferroptotic cell usually has an intact cell structure as well as shrinking mitochondria with decreased or vanishing cristae, concentrated membrane density, and ruptured outer membrane. Recently, increasing investigations have discovered that tumor cells have a much greater iron demand than the normal ones, making them more sensitive to ferroptosis. In other words, ferroptosis may inhibit the progress of the tumor, which can be used in the therapy of tumor patients, especially for those with chemotherapy resistance. Therefore, ferroptosis has become one hot spot in the field of tumor research in recent years. Colorectal cancer (CRC) is one common type of gastrointestinal malignancy. The incidence of CRC appears to have an upward trend year by year since the enhancement of living standards. Although surgery and chemoradiotherapy have largely improved the prognosis of patients with CRC, some patients still appear to have severe adverse reactions and drug resistance. Moreover, much research has verified that ferroptosis has a necessary association with the occurrence and progression of gastrointestinal tumors. In this review, we provide a comprehensive evaluation of the main mechanisms of iron metabolism, lipid metabolism, and amino acid metabolism involved in the occurrence of ferroptosis, as well as the research progress of ferroptosis in CRC.
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Dexpramipexole Attenuates White Matter Injury to Facilitate Locomotion and Motor Coordination Recovery via Reducing Ferroptosis after Intracerebral Hemorrhage. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:6160701. [PMID: 35965685 PMCID: PMC9371846 DOI: 10.1155/2022/6160701] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/24/2022] [Accepted: 07/14/2022] [Indexed: 11/20/2022]
Abstract
Deciphering the factors causing damage to white matter fiber bundles and exploring new strategies to alleviate white matter injury (WMI) is a promising treatment to improve neurological impairments after intracerebral hemorrhage (ICH). Ferroptosis usually occurs at perihematomal region and contributes to neuronal death due to reactive oxygen species (ROS) production. Dexpramipexole (DPX) easily crosses the blood brain barrier (BBB) and exerts antioxidative properties by reducing ROS production, while the role of DPX in ferroptosis after ICH remains elusive. Here, our results indicated that ferroptosis played a significant role in WMI resulting from iron and ROS accumulation around hematoma. Further evidence demonstrated that the administration of DPX decreased iron and ROS deposition to inhibit ferroptosis at perihematomal site. With the inhibition of ferroptosis, WMI was alleviated at perihematomal site, thereafter promoting locomotion and motor coordination recovery in mice after ICH. Subsequently, the results showcased that the expression of glutathione peroxidase 4 (GPX4) and ferroptosis suppressing protein 1 (FSP1) was upregulated with the administration of DPX. Collectively, the present study uncovers the underlying mechanism and elucidates the therapeutic effect of DPX on ICH, and even in other central nervous system (CNS) diseases with the presence of ferroptosis.
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Jiang K, Sun Y, Chen X. Mechanism Underlying Acupuncture Therapy in Spinal Cord Injury: A Narrative Overview of Preclinical Studies. Front Pharmacol 2022; 13:875103. [PMID: 35462893 PMCID: PMC9021644 DOI: 10.3389/fphar.2022.875103] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 03/14/2022] [Indexed: 12/29/2022] Open
Abstract
Spinal cord injury (SCI) results from various pathogenic factors that destroy the normal structure and function of the spinal cord, subsequently causing sensory, motor, and autonomic nerve dysfunction. SCI is one of the most common causes of disability and death globally. It leads to severe physical and mental injury to patients and causes a substantial economic burden on families and the society. The pathological changes and underlying mechanisms within SCI involve oxidative stress, apoptosis, inflammation, etc. As a traditional therapy, acupuncture has a positive effect promoting the recovery of SCI. Acupuncture-induced neuroprotection includes several mechanisms such as reducing oxidative stress, inhibiting the inflammatory response and neuronal apoptosis, alleviating glial scar formation, promoting neural stem cell differentiation, and improving microcirculation within the injured area. Therefore, the recent studies exploring the mechanism of acupuncture therapy in SCI will help provide a theoretical basis for applying acupuncture and seeking a better treatment target and acupuncture approach for SCI patients.
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Affiliation(s)
- Kunpeng Jiang
- Department of Hand and Foot Surgery, Zhejiang Rongjun Hospital, Jiaxing, China
| | - Yulin Sun
- Department of Neurosurgery, Zhejiang Rongjun Hospital, Jiaxing, China
| | - Xinle Chen
- Department of Neurosurgery, Zhejiang Rongjun Hospital, Jiaxing, China
- *Correspondence: Xinle Chen,
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Xi YD, Chi YF, Han J, Li HR, Wang XY, Wang X, Li TT, Yu HY, Xiao R. Keap1 as Target of Genistein on Nrf2 Signaling Pathway Antagonizing Aβ induced Oxidative Damage of Cerebrovascular Endothelial Cells. Curr Neurovasc Res 2022; 19:73-82. [PMID: 35388754 DOI: 10.2174/1567202619666220406100320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 01/28/2022] [Accepted: 02/02/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND β-amyloid peptides (Aβ) induced oxidative damage contributes to the pathogenesis of neurodegenerative diseases and cerebrovascular system is more vulnerable to oxidative stress. Our earlier study showed a clue that Genistein (Gen) might activate Nf-E2 related factor 2 (Nrf2) pathway to protect cerebrovascular cells from oxidative damage induced by Aβ, but the specific mechanisms and regulation targets are unclear. OBJECTIVE In this study, the anti-oxidative effects and the possible targets of Gen on regulating Nrf2 pathway in bEnd.3 cells were investigated. Cells were divided into control, Aβ25-35, Gen and Gen+Aβ25-35 groups. METHODS Cell viability, levels of malondialdehyde (MDA), Superoxide Dismutase (SOD) activity and nitrotyrosine were evaluated. Moreover, mRNA and/or protein expressions of Nrf2 and kelch-like ECH-associated protein 1 (Keap1) were measured. Then we transfected Keap1 over-expressed plasmid into bEnd.3 cells and measured the protein expressions of Nrf2 pathway related factors. Data showed that Gen could inhibit the over-production of MDA and nitrotyrosine and activate SOD activity. Besides we got the phenomenon that Gen could up-regulate the mRNA and protein expressions of Nrf2 and down-regulate Keap1 protein expression, the Keap1 over-expressed plasmid study indicated that the up-regulation of Nrf2 protein expression induced by pretreatment of Gen could be blocked by the transfection of Keap1 over-expressed plasmid, and the same results also occurred in Nrf2 downstream factors. CONCLUSION Gen could alleviate the cerebrovascular cells oxidative damage induced by Aβ25-35 through regulating Nrf2 pathway, and Keap1 might be one of the targets of Gen on activating Nrf2 pathway.
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Affiliation(s)
- Yuan-Di Xi
- Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Ya-Fei Chi
- Laboratory Animal Center, Capital Medical University, No.10 Xitoutiao, You An Men Wai, Beijing, P.R.China
| | - Jing Han
- Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Hong-Rui Li
- Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Xian-Yun Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Xuan Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Tian-Tian Li
- Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Hui-Yan Yu
- Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, China
| | - Rong Xiao
- Department of Nutrition and Food Hygiene, School of Public Health, Capital Medical University, Beijing 100069, China
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Ni L, Yuan C, Wu X. Targeting ferroptosis in acute kidney injury. Cell Death Dis 2022; 13:182. [PMID: 35210424 PMCID: PMC8873203 DOI: 10.1038/s41419-022-04628-9] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 01/24/2022] [Accepted: 02/09/2022] [Indexed: 12/17/2022]
Abstract
AbstractAcute kidney injury (AKI) is a major public health problem with high incidence and mortality. As a form of programmed cell death (PCD), ferroptosis could be considered as a process of iron accumulation and enhanced lipid peroxidation. Recently, the fundamental roles of ferroptosis in AKI have attracted much attention. The network mechanism of ferroptosis in AKI and its roles in the AKI to chronic kidney disease (CKD) transition is complicated and multifactorial. Strategies targeting ferroptosis show great potential. Here, we review the research progress on ferroptosis and its participation in AKI. We hope that this work will provide clues for further studies of ferroptosis in AKI.
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