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Atella TC, Medina JM, Atella GC, Allodi S, Kluck GEG. Neuroprotective Effects of Metformin Through AMPK Activation in a Neurotoxin-Based Model of Cerebellar Ataxia. Mol Neurobiol 2024; 61:5102-5116. [PMID: 38165584 DOI: 10.1007/s12035-023-03892-w] [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: 08/08/2023] [Accepted: 12/19/2023] [Indexed: 01/04/2024]
Abstract
Cerebellar ataxia is a heterogeneous group of neural disorders clinically characterized by cerebellar dysfunction. The diagnosis of patients with progressive cerebellar ataxia is complex due to the direct correlation with other neuron diseases. Although there is still no cure for this pathological condition, some metabolic, hereditary, inflammatory, and immunological factors affecting cerebellar ataxia are being studied and may become therapeutic targets. Advances in studying the neuroanatomy, pathophysiology, and molecular biology of the cerebellum (CE) contribute to a better understanding of the mechanisms behind the development of this disorder. In this study, Wistar rats aged 30 to 35 days were injected intraperitoneally with 3-acetylpyridine (3-AP) and/or metformin (for AMP-activated protein kinase (AMPK) enzyme activation) and euthanized in 24 hours and 4 days after injection. We analyzed the neuromodulatory role of the AMPK on cerebellar ataxia induced by the neurotoxin 3-AP in the brain stem (BS) and CE, after pre-treatment for 7 and 15 days with metformin, a pharmacological indirect activator of AMPK. The results shown here suggest that AMPK activation in the BS and CE leads to a significant reduction in neuroinflammation in these regions. AMPK was able to restore the changes in fatty acid composition and pro-inflammatory cytokines caused by 3-AP, suggesting that the action of AMPK seems to result in a possible neuroprotection on the cerebellar ataxia model.
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Affiliation(s)
- Tainá C Atella
- Laboratório de Neurobiologia Comparativa e do Desenvolvimento, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jorge M Medina
- Laboratório de Bioquímica de Lipídios e Lipoproteínas, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Georgia C Atella
- Laboratório de Bioquímica de Lipídios e Lipoproteínas, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Silvana Allodi
- Laboratório de Neurobiologia Comparativa e do Desenvolvimento, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - George E G Kluck
- Laboratório de Bioquímica de Lipídios e Lipoproteínas, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
- Department of Biochemistry and Biomedical Sciences, Thrombosis and Atherosclerosis Research Institute, McMaster University and Hamilton Health Sciences, Hamilton General Hospital Campus, 237 Barton St E, Hamilton, Ontario, L8L 2X2, Canada.
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2
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Zhang J, Wang S, Zhang H, Yang Y, Yuan M, Yang X, Wen Y. The role of the AMPK/ERK1/2 signaling pathway in neuronal oxidative stress damage following cerebral ischemia-reperfusion. Tissue Cell 2024; 89:102472. [PMID: 39003914 DOI: 10.1016/j.tice.2024.102472] [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: 03/27/2024] [Revised: 07/10/2024] [Accepted: 07/10/2024] [Indexed: 07/16/2024]
Abstract
Cerebral ischemia-reperfusion injury involves a series of pathophysiological processes that occur when blood supply is restored after cerebral vascular obstruction, leading to neuronal damage. The AMPK/ERK1/2 signaling pathway has been identified as crucial in this process, although the exact mechanisms underlying the induction of ischemia-reperfusion injury remain unclear. In this study, we investigated the involvement of the AMPK/ERK1/2 signaling pathway in neuronal oxidative stress damage following cerebral ischemia-reperfusion by establishing animal and cell models. Our experimental results demonstrated that cerebral ischemia-reperfusion leads to oxidative stress damage, including cell apoptosis and mitochondrial dysfunction. Moreover, further experiments showed that inhibition of AMPK and ERK1/2 activity, using U0126 and Compound C respectively, could alleviate oxidative stress-induced cellular injury, improve mitochondrial morphology and function, reduce reactive oxygen species levels, increase superoxide dismutase levels, and suppress apoptosis. These findings clearly indicate the critical role of the AMPK/ERK1/2 signaling pathway in regulating oxidative stress damage and cerebral ischemia-reperfusion injury. The discoveries in this study provide a theoretical basis for further research and development of neuroprotective therapeutic strategies targeting the AMPK/ERK1/2 signaling pathway.
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Affiliation(s)
- Jiejie Zhang
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China; Neurological Laboratory of Hebei Province, Shijiazhuang, Hebei, China; Key Laboratory of Clinical Neurology Ministry of Education, Shijiazhuang, Hebei, China
| | - Shan Wang
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China; Neurological Laboratory of Hebei Province, Shijiazhuang, Hebei, China; Key Laboratory of Clinical Neurology Ministry of Education, Shijiazhuang, Hebei, China
| | - Haitao Zhang
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China; Neurological Laboratory of Hebei Province, Shijiazhuang, Hebei, China; Key Laboratory of Clinical Neurology Ministry of Education, Shijiazhuang, Hebei, China
| | - Yihan Yang
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China; Neurological Laboratory of Hebei Province, Shijiazhuang, Hebei, China; Key Laboratory of Clinical Neurology Ministry of Education, Shijiazhuang, Hebei, China
| | - Mu Yuan
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China; Neurological Laboratory of Hebei Province, Shijiazhuang, Hebei, China; Key Laboratory of Clinical Neurology Ministry of Education, Shijiazhuang, Hebei, China
| | - Xiaotong Yang
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China; Neurological Laboratory of Hebei Province, Shijiazhuang, Hebei, China; Key Laboratory of Clinical Neurology Ministry of Education, Shijiazhuang, Hebei, China
| | - Ya Wen
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China; Neurological Laboratory of Hebei Province, Shijiazhuang, Hebei, China; Key Laboratory of Clinical Neurology Ministry of Education, Shijiazhuang, Hebei, China.
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3
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Fu L, Du J, Furkert D, Shipton ML, Liu X, Aguirre T, Chin AC, Riley AM, Potter BVL, Fiedler D, Zhang X, Zhu Y, Fu C. Depleting inositol pyrophosphate 5-InsP7 protected the heart against ischaemia-reperfusion injury by elevating plasma adiponectin. Cardiovasc Res 2024; 120:954-970. [PMID: 38252884 PMCID: PMC11218692 DOI: 10.1093/cvr/cvae017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 11/20/2023] [Accepted: 11/30/2023] [Indexed: 01/24/2024] Open
Abstract
AIMS Adiponectin is an adipocyte-derived circulating protein that exerts cardiovascular and metabolic protection. Due to the futile degradation of endogenous adiponectin and the challenges of exogenous administration, regulatory mechanisms of adiponectin biosynthesis are of significant pharmacological interest. METHODS AND RESULTS Here, we report that 5-diphosphoinositol 1,2,3,4,6-pentakisphosphate (5-InsP7) generated by inositol hexakisphosphate kinase 1 (IP6K1) governed circulating adiponectin levels via thiol-mediated protein quality control in the secretory pathway. IP6K1 bound to adiponectin and DsbA-L and generated 5-InsP7 to stabilize adiponectin/ERp44 and DsbA-L/Ero1-Lα interactions, driving adiponectin intracellular degradation. Depleting 5-InsP7 by either IP6K1 deletion or pharmacological inhibition blocked intracellular adiponectin degradation. Whole-body and adipocyte-specific deletion of IP6K1 boosted plasma adiponectin levels, especially its high molecular weight forms, and activated AMPK-mediated protection against myocardial ischaemia-reperfusion injury. Pharmacological inhibition of 5-InsP7 biosynthesis in wild-type but not adiponectin knockout mice attenuated myocardial ischaemia-reperfusion injury. CONCLUSION Our findings revealed that 5-InsP7 is a physiological regulator of adiponectin biosynthesis that is amenable to pharmacological intervention for cardioprotection.
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Affiliation(s)
- Lin Fu
- Tianjin Key Laboratory of Metabolic Diseases, Department of Physiology and Pathophysiology, The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, Tianjin Medical University, 22 Qixiangtai Road, Heping District, Tianjin 300070, China
| | - Jimin Du
- Tianjin Key Laboratory of Metabolic Diseases, Department of Physiology and Pathophysiology, The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, Tianjin Medical University, 22 Qixiangtai Road, Heping District, Tianjin 300070, China
| | - David Furkert
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Berlin, Germany
| | - Megan L Shipton
- Medicinal Chemistry and Drug Discovery, Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, UK
| | - Xiaoqi Liu
- Tianjin Key Laboratory of Metabolic Diseases, Department of Physiology and Pathophysiology, The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, Tianjin Medical University, 22 Qixiangtai Road, Heping District, Tianjin 300070, China
| | - Tim Aguirre
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Berlin, Germany
| | - Alfred C Chin
- Weill Cornell/Rockefeller/Sloan Kettering Tri-Institutional MD-PhD Program, New York, NY, USA
| | - Andrew M Riley
- Medicinal Chemistry and Drug Discovery, Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, UK
| | - Barry V L Potter
- Medicinal Chemistry and Drug Discovery, Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, UK
| | - Dorothea Fiedler
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Berlin, Germany
| | - Xu Zhang
- Tianjin Key Laboratory of Metabolic Diseases, Department of Physiology and Pathophysiology, The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, Tianjin Medical University, 22 Qixiangtai Road, Heping District, Tianjin 300070, China
| | - Yi Zhu
- Tianjin Key Laboratory of Metabolic Diseases, Department of Physiology and Pathophysiology, The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, Tianjin Medical University, 22 Qixiangtai Road, Heping District, Tianjin 300070, China
| | - Chenglai Fu
- Tianjin Key Laboratory of Metabolic Diseases, Department of Physiology and Pathophysiology, The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, Tianjin Medical University, 22 Qixiangtai Road, Heping District, Tianjin 300070, China
- Institute for Developmental and Regenerative Cardiovascular Medicine, Xinhua Hospital affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Yangpu District, Shanghai 200092, China
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Wang H, Li Y, Cao X, Niu H, Li X, Wang J, Yang J, Xu C, Wang H, Wan S, Li K, Fu S, Yang L. MELATONIN ATTENUATES RENAL ISCHEMIA-REPERFUSION INJURY BY REGULATING MITOCHONDRIAL DYNAMICS AND AUTOPHAGY THROUGH AMPK/DRP1. Shock 2024; 62:74-84. [PMID: 38713551 DOI: 10.1097/shk.0000000000002330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/09/2024]
Abstract
ABSTRACT Ischemia-reperfusion injury (IRI) often stems from an imbalance between mitochondrial dynamics and autophagy. Melatonin mitigates IRI by regulating mitochondrial dynamics. However, the precise molecular mechanism underlying the role of melatonin in reducing IRI through modulating mitochondrial dynamics remains elusive. The objective of this study was to investigate whether pretreatment with melatonin before IRI confers protective effects by modulating mitochondrial dynamics and mitophagy. Melatonin pretreatment was administered to HK-2 cells and live rats before subjecting them to hypoxia-reoxygenation or IRI, respectively. Cells and rat kidney models were evaluated for markers of oxidative stress, autophagy, mitochondrial dynamics, and the expression of adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) and phospho-AMPKα (P-AMPK). After renal IRI, increased mitochondrial fission and autophagy were observed, accompanied by exacerbated cellular oxidative stress injury and aggravated mitochondrial dysfunction. Nevertheless, melatonin pretreatment inhibited mitochondrial fission, promoted mitochondrial fusion, and attenuated autophagy levels. This intervention was correlated with a notable reduction in oxidative stress injury and remarkable restoration of mitochondrial functionality. Ischemia-reperfusion injury led to a decline in P-AMPK levels, whereas melatonin pretreatment increased the level of P-AMPK levels. Silencing AMPK with small interfering RNA exacerbated mitochondrial damage, and in this context, melatonin pretreatment did not alleviate mitochondrial fission or autophagy levels but resulted in sustained oxidative stress damage. Collectively, these findings indicate that melatonin pretreatment shields the kidneys from IRI by mitigating excessive mitochondrial fission, moderating autophagy levels, and preserving appropriate mitochondrial fission, all in an AMPK-dependent manner.
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Affiliation(s)
- Huabin Wang
- Department of Urology, Institute of Urology, Gansu Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Yi Li
- Department of Anesthesiology, Lanzhou University Second Hospital, Lanzhou, China
| | - Xichao Cao
- The Second Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Heping Niu
- Department of Urology, Institute of Urology, Gansu Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Xiaoran Li
- Department of Urology, Institute of Urology, Gansu Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Jirong Wang
- Department of Urology, Institute of Urology, Gansu Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Jianwei Yang
- Department of Urology, Institute of Urology, Gansu Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Changhong Xu
- Department of Urology, Institute of Urology, Gansu Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Hailong Wang
- Department of Urology, Institute of Urology, Gansu Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Shun Wan
- Department of Urology, Institute of Urology, Gansu Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Kunpeng Li
- Department of Urology, Institute of Urology, Gansu Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Shengjun Fu
- Department of Urology, Institute of Urology, Gansu Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Li Yang
- Department of Urology, Institute of Urology, Gansu Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, China
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5
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Liu N, Liang H, Hong Y, Lu X, Jin X, Li Y, Tang S, Li Y, Cao W. Gallic acid pretreatment mitigates parathyroid ischemia-reperfusion injury through signaling pathway modulation. Sci Rep 2024; 14:12971. [PMID: 38839854 PMCID: PMC11153493 DOI: 10.1038/s41598-024-63470-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Accepted: 05/29/2024] [Indexed: 06/07/2024] Open
Abstract
Thyroid surgery often results in ischemia-reperfusion injury (IRI) to the parathyroid glands, yet the mechanisms underlying this and how to ameliorate IRI remain incompletely explored. Our study identifies a polyphenolic herbal extract-gallic acid (GA)-with antioxidative properties against IRI. Through flow cytometry and CCK8 assays, we investigate the protective effects of GA pretreatment on a parathyroid IRI model and decode its potential mechanisms via RNA-seq and bioinformatics analysis. Results reveal increased apoptosis, pronounced G1 phase arrest, and significantly reduced cell proliferation in the hypoxia/reoxygenation group compared to the hypoxia group, which GA pretreatment mitigates. RNA-seq and bioinformatics analysis indicate GA's modulation of various signaling pathways, including IL-17, AMPK, MAPK, transient receptor potential channels, cAMP, and Rap1. In summary, GA pretreatment demonstrates potential in protecting parathyroid cells from IRI by influencing various genes and signaling pathways. These findings offer a promising therapeutic strategy for hypoparathyroidism treatment.
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Affiliation(s)
- Nianqiu Liu
- Departments of Breast Surgery, Yunnan Cancer Center, The Third Affiliated Hospital of Kunming Medical University, Kunming, 650000, Yunnan, People's Republic of China
| | - Hongmin Liang
- Department of Ultrasound, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650000, Yunnan, People's Republic of China
| | - Yuan Hong
- Departments of Laboratory, Yunnan Cancer Center, The Third Affiliated Hospital of Kunming Medical University, Kunming, 650000, Yunnan, People's Republic of China
| | - Xiaokai Lu
- Departments of Ultrasound, Yunnan Cancer Center, The Third Affiliated Hospital of Kunming Medical University, Kunming, 650000, Yunnan, People's Republic of China
| | - Xin Jin
- Department of Ultrasound, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650000, Yunnan, People's Republic of China
| | - Yuting Li
- Department of Ultrasound, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650000, Yunnan, People's Republic of China
| | - Shiying Tang
- Department of Ultrasound, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650000, Yunnan, People's Republic of China
| | - Yihang Li
- Department of Ultrasound, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650000, Yunnan, People's Republic of China
| | - Weihan Cao
- Department of Ultrasound, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Kunming, 650000, Yunnan, People's Republic of China.
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6
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Wang H, Han J, Dmitrii G, Zhang XA. Potential Targets of Natural Products for Improving Cardiac Ischemic Injury: The Role of Nrf2 Signaling Transduction. Molecules 2024; 29:2005. [PMID: 38731496 PMCID: PMC11085255 DOI: 10.3390/molecules29092005] [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: 03/22/2024] [Revised: 04/18/2024] [Accepted: 04/22/2024] [Indexed: 05/13/2024] Open
Abstract
Myocardial ischemia is the leading cause of health loss from cardiovascular disease worldwide. Myocardial ischemia and hypoxia during exercise trigger the risk of sudden exercise death which, in severe cases, will further lead to myocardial infarction. The Nrf2 transcription factor is an important antioxidant regulator that is extensively engaged in biological processes such as oxidative stress, inflammatory response, apoptosis, and mitochondrial malfunction. It has a significant role in the prevention and treatment of several cardiovascular illnesses, since it can control not only the expression of several antioxidant genes, but also the target genes of associated pathological processes. Therefore, targeting Nrf2 will have great potential in the treatment of myocardial ischemic injury. Natural products are widely used to treat myocardial ischemic diseases because of their few side effects. A large number of studies have shown that the Nrf2 transcription factor can be used as an important way for natural products to alleviate myocardial ischemia. However, the specific role and related mechanism of Nrf2 in mediating natural products in the treatment of myocardial ischemia is still unclear. Therefore, this review combs the key role and possible mechanism of Nrf2 in myocardial ischemic injury, and emphatically summarizes the significant role of natural products in treating myocardial ischemic symptoms, thus providing a broad foundation for clinical transformation.
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Affiliation(s)
- Haixia Wang
- College of Exercise and Health, Shenyang Sport University, Shenyang 110102, China; (H.W.); (J.H.)
| | - Juanjuan Han
- College of Exercise and Health, Shenyang Sport University, Shenyang 110102, China; (H.W.); (J.H.)
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai 200438, China
| | - Gorbachev Dmitrii
- General Hygiene Department, Samara State Medical University, Samara 443000, Russia;
| | - Xin-an Zhang
- College of Exercise and Health, Shenyang Sport University, Shenyang 110102, China; (H.W.); (J.H.)
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7
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Zhang XY, Han PP, Zhao YN, Shen XY, Bi X. Crosstalk between autophagy and ferroptosis mediate injury in ischemic stroke by generating reactive oxygen species. Heliyon 2024; 10:e28959. [PMID: 38601542 PMCID: PMC11004216 DOI: 10.1016/j.heliyon.2024.e28959] [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: 09/14/2023] [Revised: 03/26/2024] [Accepted: 03/27/2024] [Indexed: 04/12/2024] Open
Abstract
Stroke represents a significant threat to global human health, characterized by high rates of morbidity, disability, and mortality. Predominantly, strokes are ischemic in nature. Ischemic stroke (IS) is influenced by various cell death pathways, notably autophagy and ferroptosis. Recent studies have increasingly highlighted the interplay between autophagy and ferroptosis, a process likely driven by the accumulation of reactive oxygen species (ROS). Post-IS, either the inhibition of autophagy or its excessive activation can escalate ROS levels. Concurrently, the interaction between ROS and lipids during ferroptosis further augments ROS accumulation. Elevated ROS levels can provoke endoplasmic reticulum stress-induced autophagy and, in conjunction with free iron (Fe2+), can trigger ferroptosis. Moreover, ROS contribute to protein and lipid oxidation, endothelial dysfunction, and an inflammatory response, all of which mediate secondary brain injury following IS. This review succinctly explores the mechanisms of ROS-mediated crosstalk between autophagy and ferroptosis and the detrimental impact of increased ROS on IS. It also offers novel perspectives for IS treatment strategies.
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Affiliation(s)
- Xing-Yu Zhang
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
- Graduate School of Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ping-Ping Han
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Yi-Ning Zhao
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Xin-Ya Shen
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Xia Bi
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
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8
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Wang P, Li C, Peng T, Ruan L, Wu A, Zhu J, Shi W, Chen M, Zhang T. Tolerogenic CD11c +dendritic cells regulate CD4 +Tregs in replacing delayed ischemic preconditioning to alleviate ischemia-reperfusion acute kidney injury. FASEB J 2024; 38:e23575. [PMID: 38530256 DOI: 10.1096/fj.202302299rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/25/2024] [Accepted: 03/11/2024] [Indexed: 03/27/2024]
Abstract
Ischemia-reperfusion injury (IRI) is one of the primary clinical causes of acute kidney injury (AKI). The key to IRI lies in immune-inflammatory damage, where dendritic cells (DCs) play a central role in eliciting immune responses within the context of inflammation induced by ischemia-reperfusion. Our previous study has confirmed that delayed ischemic preconditioning (DIPC) can reduce the kidney injury by mediating DCs to regulate T-cells. However, the clinical feasibility of DIPC is limited, as pre-clamping of the renal artery is not applicable for the prevention and treatment of ischemia-reperfusion acute kidney injury (I/R-AKI) in clinical patients. Therefore, the infusion of DCs as a substitute for DIPC presents a more viable strategy for preventing renal IRI. In this study, we further evaluated the impact and mechanism of infused tolerogenic CD11c+DCs on the kidneys following IRI by isolating bone marrow-derived dendritic cells and establishing an I/R-AKI model after pre-infusion of DCs. Renal function was significantly improved in the I/R-AKI mouse model after pre-infused with CD11c+DCs. The pro-inflammatory response and oxidative damage were reduced, and the levels of T helper 2 (Th2) cells and related anti-inflammatory cytokines were increased, which was associated with the reduction of autologous DCs maturation mediated by CD11c+DCs and the increase of regulatory T-cells (Tregs). Next, knocking out CD11c+DCs, we found that the reduced immune protection of tolerogenic CD11c+DCs reinfusion was related to the absence of own DCs. Together, pre-infusion of tolerogenic CD11c+DCs can replace the regulatory of DIPC on DCs and T-cells to alleviate I/R-AKI. DC vaccine is expected to be a novel avenue to prevent and treat I/R-AKI.
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Affiliation(s)
- Pingping Wang
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Stem Cell and Regenerative Medicine, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Chunyao Li
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Stem Cell and Regenerative Medicine, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Tao Peng
- Department of Basic Medicine, Ningxia Medical University, Yinchuan, China
| | - Longzhu Ruan
- Department of Basic Medicine, Ningxia Medical University, Yinchuan, China
| | - Aijie Wu
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
| | - Jiaojiao Zhu
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
| | - Wenlu Shi
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
| | - Menghua Chen
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
| | - Ting Zhang
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Stem Cell and Regenerative Medicine, General Hospital of Ningxia Medical University, Yinchuan, China
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9
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Li W, Cheng X, Zhu G, Hu Y, Wang Y, Niu Y, Li H, Aierken A, Li J, Feng L, Liu G. A review of chemotherapeutic drugs-induced arrhythmia and potential intervention with traditional Chinese medicines. Front Pharmacol 2024; 15:1340855. [PMID: 38572424 PMCID: PMC10987752 DOI: 10.3389/fphar.2024.1340855] [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: 11/19/2023] [Accepted: 03/05/2024] [Indexed: 04/05/2024] Open
Abstract
Significant advances in chemotherapy drugs have reduced mortality in patients with malignant tumors. However, chemotherapy-related cardiotoxicity increases the morbidity and mortality of patients, and has become the second leading cause of death after tumor recurrence, which has received more and more attention in recent years. Arrhythmia is one of the common types of chemotherapy-induced cardiotoxicity, and has become a new risk related to chemotherapy treatment, which seriously affects the therapeutic outcome in patients. Traditional Chinese medicine has experienced thousands of years of clinical practice in China, and has accumulated a wealth of medical theories and treatment formulas, which has unique advantages in the prevention and treatment of malignant diseases. Traditional Chinese medicine may reduce the arrhythmic toxicity caused by chemotherapy without affecting the anti-cancer effect. This paper mainly discussed the types and pathogenesis of secondary chemotherapeutic drug-induced arrhythmia (CDIA), and summarized the studies on Chinese medicine compounds, Chinese medicine Combination Formula and Chinese medicine injection that may be beneficial in intervention with secondary CDIA including atrial fibrillation, ventricular arrhythmia and sinus bradycardia, in order to provide reference for clinical prevention and treatment of chemotherapy-induced arrhythmias.
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Affiliation(s)
- Weina Li
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaozhen Cheng
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Guanghui Zhu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ying Hu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine (National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion), Tianjin, China
| | - Yunhan Wang
- Henan Province Hospital of Traditional Chinese Medicine (The Second Affiliated Hospital of Henan University of Traditional Chinese Medicine), Zhengzhou, Henan, China
| | - Yueyue Niu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Hongping Li
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Aikeremu Aierken
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jie Li
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ling Feng
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Guifang Liu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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10
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Zhang Y, Zhao H, Fu X, Wang K, Yang J, Zhang X, Wang H. The role of hydrogen sulfide regulation of pyroptosis in different pathological processes. Eur J Med Chem 2024; 268:116254. [PMID: 38377826 DOI: 10.1016/j.ejmech.2024.116254] [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: 10/03/2023] [Revised: 01/31/2024] [Accepted: 02/15/2024] [Indexed: 02/22/2024]
Abstract
Pyroptosis is one kind of programmed cell death in which the cell membrane ruptures and subsequently releases cell contents and pro-inflammatory cytokines including IL-1β and IL-18. Pyroptosis is caused by many types of pathological stimuli, such as hyperglycemia (HG), oxidative stress, and inflammation, and is mediated by gasdermin (GSDM) protein family. Increasing evidence indicates that pyroptosis plays an important role in multiple diseases, such as cancer, kidney diseases, inflammatory diseases, and cardiovascular diseases. Therefore, the regulation of pyroptosis is crucial for the occurrence, development, and treatment of many diseases. Hydrogen sulfide (H2S) is a biologically active gasotransmitter following carbon monoxide (CO) and nitrogen oxide (NO) in mammalian tissues. So far, three enzymes, including 3-mercaptopyruvate sulphurtransferase (3-MST), cystathionine γ- Lyase (CSE), and Cystine β-synthesis enzyme (CBS), have been found to catalyze the production of endogenous H2S in mammals. H2S has been reported to have multiple biological functions including anti-inflammation, anti-oxidative stress, anti-apoptosis and so on. Hence, H2S is involved in various physiological and pathological processes. In recent years, many studies have demonstrated that H2S plays a critical role by regulating pyroptosis in various pathological processes, such as ischemia-reperfusion injury, alcoholic liver disease, and diabetes cardiomyopathy. However, the relevant mechanism has not been completely understood. Therefore, elucidating the mechanism by which H2S regulates pyroptosis in diseases will help understand the pathogenesis of multiple diseases and provide important new avenues for the treatment of many diseases. Here, we reviewed the progress of H2S regulation of pyroptosis in different pathological processes, and analyzed the molecular mechanism in detail to provide a theoretical reference for future related research.
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Affiliation(s)
- Yanting Zhang
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China; School of Clinical Medicine, Henan University, Kaifeng, Henan, 475004, China
| | - Huijie Zhao
- Institute of Chronic Disease Risks Assessment, Henan University, Jinming Avenue, Kaifeng, 475004, China
| | - Xiaodi Fu
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Kexiao Wang
- School of Clinical Medicine, Henan University, Kaifeng, Henan, 475004, China
| | - Jiahao Yang
- School of Clinical Medicine, Henan University, Kaifeng, Henan, 475004, China
| | | | - Honggang Wang
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan, 475004, China.
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11
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Shen XY, Zhang XY, Han PP, Zhao YN, Xu GH, Bi X. Mechanisms of intermittent theta-burst stimulation attenuating nerve injury after ischemic reperfusion in rats through endoplasmic reticulum stress and ferroptosis. Mol Biol Rep 2024; 51:377. [PMID: 38427114 PMCID: PMC10907498 DOI: 10.1007/s11033-024-09241-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 01/11/2024] [Indexed: 03/02/2024]
Abstract
BACKGROUND Repetitive transcranial magnetic stimulation (rTMS) exerts neuroprotective effects early in cerebral ischemia/reperfusion (I/R) injury. Intermittent theta-brust stimulation (iTBS), a more time-efficient modality of rTMS, improves the efficiency without at least decreasing the efficacy of the therapy. iTBS elevates cortical excitability, and in recent years it has become increasingly common to apply iTBS to patients in the early post-IS period. However, little is known about the neuroprotective mechanisms of iTBS. Endoplasmic reticulum stress (ERS), and ferroptosis have been shown to be involved in the development of I/R injury. We aimed to investigate the potential regulatory mechanisms by which iTBS attenuates neurological injury after I/R in rats. METHODS Rats were randomly divided into three groups: sham-operated group, MCAO/R group, and MCAO/R + iTBS group, and were stimulated with iTBS 36 h after undergoing middle cerebral artery occlusion (MCAO) or sham-operated. The expression of ERS, ferroptosis, and apoptosis-related markers was subsequently detected by western blot assays. We also investigated the mechanism by which iTBS attenuates nerve injury after ischemic reperfusion in rats by using the modified Neurological Severity Score (mNSS) and the balance beam test to measure nerve function. RESULTS iTBS performed early in I/R injury attenuated the levels of ERS, ferroptosis, and apoptosis, and improved neurological function, including mNSS and balance beam experiments. It is suggested that this mode of stimulation reduces the cost per treatment by several times without compromising the efficacy of the treatment and could be a practical and less costly intervention.
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Affiliation(s)
- Xin-Ya Shen
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Xing-Yu Zhang
- Graduate School of Shanghai, University of Traditional Chinese Medicine, Shanghai, China
| | - Ping-Ping Han
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Yi-Ning Zhao
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Guo-Hui Xu
- Huadong Hospital, Affiliated to Fudan University, 221 West Yan'an Road, Jing'an District, 200040, Shanghai, China.
| | - Xia Bi
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.
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12
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Zhao X, Wang Z, Wu G, Yin L, Xu L, Wang N, Peng J. Apigenin-7-glucoside-loaded nanoparticle alleviates intestinal ischemia-reperfusion by ATF3/SLC7A11-mediated ferroptosis. J Control Release 2024; 366:182-193. [PMID: 38145659 DOI: 10.1016/j.jconrel.2023.12.038] [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: 10/04/2023] [Revised: 11/16/2023] [Accepted: 12/20/2023] [Indexed: 12/27/2023]
Abstract
Intestinal ischemia reperfusion injury (II/R injury) is a common and intractable pathophysiological process in critical patients, for which exploring new treatments and mechanisms is of great importance to improve treatment outcomes. Apigenin-7-O-Glucoside (AGL) is a sugar derivative of apigenin natural product with various pharmacological activities to protect against intestinal diseases. In this study, we synthesized two amphiphilic molecules, namely DTPA-N10-10 and mPEG-TK-DA, which can scavenge free radicals and reactive oxygen species (ROS). They were successfully encapsulated AGL through self-assembly, resulting in the formation of multi-site ROS scavenging nanoparticles called PDN@AGL. In vitro and in vivo experiments demonstrated that PDN@AGL could protect intestinal tissues by reducing lipid peroxidation, lowering ROS levels and inhibiting ferroptosis during II/R injury. Furthermore, our study revealed, for the first time, that the regulation of the ATF3/SLC7A11 pathway by PDN@AGL may play a crucial role in mitigating II/R injury. In conclusion, our study confirmed the beneficial effects of PDN@AGL in combating II/R injury through the ATF3/SLC7A11-mediated regulation of ferroptosis and oxidative stress. These findings lay the groundwork for the potential application of PDN@AGL in the treatment of II/R injury.
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Affiliation(s)
- Xuerong Zhao
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Zhuoya Wang
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Guanlin Wu
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Lianhong Yin
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Lina Xu
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Ning Wang
- College of Pharmacy, Dalian Medical University, Dalian 116044, China.
| | - Jinyong Peng
- College of Pharmacy, Dalian Medical University, Dalian 116044, China; College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China; Department of Pharmacology and Laboratory of Applied Pharmacology, College of Pharmacy, Weifang Medical University, Weifang 261053, China.
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13
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Zizi V, Becatti M, Bani D, Nistri S. Serelaxin Protects H9c2 Cardiac Myoblasts against Hypoxia and Reoxygenation-Induced Damage through Activation of AMP Kinase/Sirtuin1: Further Insight into the Molecular Mechanisms of the Cardioprotection of This Hormone. Antioxidants (Basel) 2024; 13:163. [PMID: 38397761 PMCID: PMC10886064 DOI: 10.3390/antiox13020163] [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: 12/15/2023] [Revised: 01/16/2024] [Accepted: 01/24/2024] [Indexed: 02/25/2024] Open
Abstract
Serelaxin (RLX), namely the human recombinant Relaxin-2 hormone, protects the heart from ischemia/reperfusion (I/R)-induced damage due to its anti-inflammatory, anti-apoptotic and antioxidant properties. RLX acts by binding to its specific RXFP1 receptor whereby it regulates multiple transduction pathways. In this in vitro study, we offer the first evidence for the involvement of the AMP kinase/Sirtuin1 (AMPK/SIRT1) pathway in the protection by RLX against hypoxia/reoxygenation (H/R)-induced damage in H9c2 cells. The treatment of the H/R-exposed cells with RLX (17 nmol L-1) enhanced SIRT1 expression and activity. The inhibition of SIRT1 signaling with EX527 (10 µmol L-1) reduced the beneficial effect of the hormone on mitochondrial efficiency and cell apoptosis. Moreover, RLX upregulated the AMPK pathway, as shown by the increase in the expression of phospho-AMPK-activated protein. Finally, AMPK pathway inhibition by Compound C (10 and 20 μmol L-1) abrogated the increase in SIRT1 expression induced by RLX, thus suggesting the involvement of the AMPK pathway in this effect of RLX. These results strengthen the concept that RLX exerts its cardioprotective effects against H/R-induced injury through multiple pathways which also include AMPK/SIRT1. These new findings support the use of RLX or RLX-derived molecules as a promising therapeutic for those diseases in which I/R and oxidative stress play a pathogenic role.
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Affiliation(s)
- Virginia Zizi
- Department of Experimental & Clinical Medicine, Research Unit of Histology & Embryology, University of Florence, Viale G. Pieraccini 6, 50139 Florence, Italy; (V.Z.); (D.B.)
| | - Matteo Becatti
- Department of Experimental & Clinical Biomedical Sciences “Mario Serio”, Section of Biochemical Sciences, University of Florence, Viale G.B. Morgagni 50, 50134 Florence, Italy;
| | - Daniele Bani
- Department of Experimental & Clinical Medicine, Research Unit of Histology & Embryology, University of Florence, Viale G. Pieraccini 6, 50139 Florence, Italy; (V.Z.); (D.B.)
| | - Silvia Nistri
- Department of Experimental & Clinical Medicine, Research Unit of Histology & Embryology, University of Florence, Viale G. Pieraccini 6, 50139 Florence, Italy; (V.Z.); (D.B.)
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14
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Shi Y, Jiang B, Zhao J. Induction mechanisms of autophagy and endoplasmic reticulum stress in intestinal ischemia-reperfusion injury, inflammatory bowel disease, and colorectal cancer. Biomed Pharmacother 2024; 170:115984. [PMID: 38070244 DOI: 10.1016/j.biopha.2023.115984] [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: 09/03/2023] [Revised: 11/19/2023] [Accepted: 12/02/2023] [Indexed: 01/10/2024] Open
Abstract
In recent years, the incidence of intestinal ischemia-reperfusion injury (II/RI), inflammatory bowel disease (IBD), and colorectal cancer (CRC) has been gradually increasing, posing significant threats to human health. Autophagy and endoplasmic reticulum stress (ERS) play important roles in II/RI. Damage caused by ischemia and cellular stress can activate ERS, which in turn initiates autophagy to clear damaged organelles and abnormal proteins, thereby alleviating ERS and maintaining the intestinal environment. In IBD, chronic inflammation damages intestinal tissues and activates autophagy and ERS. Autophagy is initiated by upregulating ATG genes and downregulating factors that inhibit autophagy, thereby clearing abnormal proteins, damaged organelles, and bacteria. Simultaneously, persistent inflammatory stimulation can also trigger ERS, leading to protein imbalance and abnormal folding in the ER lumen. The activation of ERS can maintain cellular homeostasis by initiating the autophagy process, thereby reducing inflammatory responses and cell apoptosis in the intestine. In CRC, excessive cell proliferation and protein synthesis lead to increased ERS. The activation of ERS, regulated by signaling pathways such as IRE1α and PERK, can initiate autophagy to clear abnormal proteins and damaged organelles, thereby reducing the negative effects of ERS. It can be seen that autophagy and ERS play a crucial regulatory role in the development of intestinal diseases. Therefore, the progress in targeted therapy for intestinal diseases based on autophagy and ERS provides novel strategies for managing intestinal diseases. In this paper, we review the advances in regulation of autophagy and ERS in intestinal diseases, emphasizing the potential molecular mechanisms for therapeutic applications.
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Affiliation(s)
- Yan Shi
- Department of Basic Medicine, Gansu University of Traditional Chinese Medicine, Lanzhou 730000, Gansu, PR China
| | - Bing Jiang
- Department of Integrated Chinese and Western Medicine, Gansu University of Traditional Chinese Medicine, Lanzhou 730000, Gansu, PR China
| | - Jingwen Zhao
- Department of Proctology, Baoji Traditional Chinese Medicine Hospital, Baoji 721001, Shanxi, PR China.
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15
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Cui Z, Amevor FK, Zhao X, Mou C, Pang J, Peng X, Liu A, Lan X, Liu L. Potential therapeutic effects of milk-derived exosomes on intestinal diseases. J Nanobiotechnology 2023; 21:496. [PMID: 38115131 PMCID: PMC10731872 DOI: 10.1186/s12951-023-02176-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 10/25/2023] [Indexed: 12/21/2023] Open
Abstract
Exosomes are extracellular vesicles with the diameter of 30 ~ 150 nm, and are widely involved in intercellular communication, disease diagnosis and drug delivery carriers for targeted disease therapy. Therapeutic application of exosomes as drug carriers is limited due to the lack of sources and methods for obtaining adequate exosomes. Milk contains abundant exosomes, several studies have shown that milk-derived exosomes play crucial roles in preventing and treating intestinal diseases. In this review, we summarized the biogenesis, secretion and structure, current novel methods used for the extraction and identification of exosomes, as well as discussed the role of milk-derived exosomes in treating intestinal diseases, such as inflammatory bowel disease, necrotizing enterocolitis, colorectal cancer, and intestinal ischemia and reperfusion injury by regulating intestinal immune homeostasis, restoring gut microbiota composition and improving intestinal structure and integrity, alleviating conditions such as oxidative stress, cell apoptosis and inflammation, and reducing mitochondrial reactive oxygen species (ROS) and lysosome accumulation in both humans and animals. In addition, we discussed future prospects for the standardization of milk exosome production platform to obtain higher concentration and purity, and complete exosomes derived from milk. Several in vivo clinical studies are needed to establish milk-derived exosomes as an effective and efficient drug delivery system, and promote its application in the treatment of various diseases in both humans and animals.
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Affiliation(s)
- Zhifu Cui
- College of Animal Science and Technology, Southwest University, Chongqing, P. R. China
| | - Felix Kwame Amevor
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Sichuan, P. R. China
| | - Xingtao Zhao
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Sichuan, P. R. China
| | - Chunyan Mou
- College of Animal Science and Technology, Southwest University, Chongqing, P. R. China
| | - Jiaman Pang
- College of Animal Science and Technology, Southwest University, Chongqing, P. R. China
| | - Xie Peng
- College of Animal Science and Technology, Southwest University, Chongqing, P. R. China
| | - Anfang Liu
- College of Animal Science and Technology, Southwest University, Chongqing, P. R. China
| | - Xi Lan
- College of Animal Science and Technology, Southwest University, Chongqing, P. R. China.
| | - Lingbin Liu
- College of Animal Science and Technology, Southwest University, Chongqing, P. R. China.
- College of Animal Science and Technology, Chongqing Key Laboratory of Forage & Herbivore, Chongqing Engineering Research Center for Herbivores Resource Protection and Utilization, Southwest University, Beibei, Chongqing, 400715, P. R. China.
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16
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Qiu Z, Li Y, Fu Y, Yang Y. Research progress of AMP-activated protein kinase and cardiac aging. Open Life Sci 2023; 18:20220710. [PMID: 37671091 PMCID: PMC10476487 DOI: 10.1515/biol-2022-0710] [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: 02/27/2023] [Revised: 07/27/2023] [Accepted: 08/05/2023] [Indexed: 09/07/2023] Open
Abstract
The process of aging is marked by a gradual deterioration in the physiological functions and functional reserves of various tissues and organs, leading to an increased susceptibility to diseases and even death. Aging manifests in a tissue- and organ-specific manner, and is characterized by varying rates and direct and indirect interactions among different tissues and organs. Cardiovascular disease (CVD) is the leading cause of death globally, with older adults (aged >70 years) accounting for approximately two-thirds of CVD-related deaths. The prevalence of CVD increases exponentially with an individual's age. Aging is a critical independent risk factor for the development of CVD. AMP-activated protein kinase (AMPK) activation exerts cardioprotective effects in the heart and restores cellular metabolic functions by modulating gene expression and regulating protein levels through its interaction with multiple target proteins. Additionally, AMPK enhances mitochondrial function and cellular energy status by facilitating the utilization of energy substrates. This review focuses on the role of AMPK in the process of cardiac aging and maintaining normal metabolic levels and redox homeostasis in the heart, particularly in the presence of oxidative stress and the invasion of inflammatory factors.
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Affiliation(s)
- Zhengqi Qiu
- Faculty of Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, China
| | - Yufei Li
- Faculty of Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, China
| | - Yancheng Fu
- Guangdong Key Laboratory of Genome Stability and Human Disease Prevention, Carson International Cancer Center, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Health Science Center, Shenzhen University, Shenzhen518060, China
| | - Yanru Yang
- Guangdong Key Laboratory of Genome Stability and Human Disease Prevention, Carson International Cancer Center, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Health Science Center, Shenzhen University, Shenzhen518060, China
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17
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Clarysse M, Accarie A, Panisello-Roselló A, Farré R, Canovai E, Monbaliu D, De Hertogh G, Vanuytsel T, Pirenne J, Ceulemans LJ. Intravenous Polyethylene Glycol Alleviates Intestinal Ischemia-Reperfusion Injury in a Rodent Model. Int J Mol Sci 2023; 24:10775. [PMID: 37445954 DOI: 10.3390/ijms241310775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 06/17/2023] [Accepted: 06/23/2023] [Indexed: 07/15/2023] Open
Abstract
Intestinal ischemia-reperfusion injury (IRI) is a common clinical entity, and its outcome is unpredictable due to the triad of inflammation, increased permeability and bacterial translocation. Polyethylene glycol (PEG) is a polyether compound that is extensively used in pharmacology as an excipient in various products. More recently, this class of products have shown to have potent anti-inflammatory, anti-apoptotic, immunosuppressive and cell-membrane-stabilizing properties. However, its effects on the outcome after intestinal IRI have not yet been investigated. We hypothesized that PEG administration would reduce the effects of intestinal IRI in rodents. In a previously described rat model of severe IRI (45 min of ischemia followed by 60 min of reperfusion), we evaluated the effect of IV PEG administration at different doses (50 and 100 mg/kg) before and after the onset of ischemia. In comparison to control animals, PEG administration stabilized the endothelial glycocalyx, leading to reduced reperfusion edema, bacterial translocation and inflammatory reaction as well as improved 7-day survival. These effects were seen both in a pretreatment and in a treatment setting. The fact that this product is readily available and safe should encourage further clinical investigations in settings of intestinal IRI, organ preservation and transplantation.
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Affiliation(s)
- Mathias Clarysse
- Department of Abdominal Transplant Surgery & Transplant Coordination, University Hospitals Leuven, 3000 Leuven, Belgium
- Abdominal Transplantation Laboratory, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Leuven Intestinal Failure and Transplantation Center (LIFT), University Hospitals Leuven, 3000 Leuven, Belgium
| | - Alison Accarie
- Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, 3000 Leuven, Belgium
| | - Arnau Panisello-Roselló
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Cientificas (CSIC)-Institut D'Investigacions Biomèdique August Pi I Sunyer (IDIBAPS), 08036 Barcelona, Spain
| | - Ricard Farré
- Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, 3000 Leuven, Belgium
| | - Emilio Canovai
- Department of Abdominal Transplant Surgery & Transplant Coordination, University Hospitals Leuven, 3000 Leuven, Belgium
- Abdominal Transplantation Laboratory, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Leuven Intestinal Failure and Transplantation Center (LIFT), University Hospitals Leuven, 3000 Leuven, Belgium
| | - Diethard Monbaliu
- Department of Abdominal Transplant Surgery & Transplant Coordination, University Hospitals Leuven, 3000 Leuven, Belgium
- Abdominal Transplantation Laboratory, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Leuven Intestinal Failure and Transplantation Center (LIFT), University Hospitals Leuven, 3000 Leuven, Belgium
| | - Gert De Hertogh
- Department of Pathology, University Hospitals Leuven, 3000 Leuven, Belgium
- Laboratory of Translational Cell & Tissue Research, KU Leuven, 3000 Leuven, Belgium
| | - Tim Vanuytsel
- Leuven Intestinal Failure and Transplantation Center (LIFT), University Hospitals Leuven, 3000 Leuven, Belgium
- Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, 3000 Leuven, Belgium
- Department of Gastroenterology and Hepatology, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Jacques Pirenne
- Department of Abdominal Transplant Surgery & Transplant Coordination, University Hospitals Leuven, 3000 Leuven, Belgium
- Abdominal Transplantation Laboratory, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Leuven Intestinal Failure and Transplantation Center (LIFT), University Hospitals Leuven, 3000 Leuven, Belgium
| | - Laurens J Ceulemans
- Leuven Intestinal Failure and Transplantation Center (LIFT), University Hospitals Leuven, 3000 Leuven, Belgium
- Department of Thoracic Surgery, University Hospitals Leuven, 3000 Leuven, Belgium
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, 3000 Leuven, Belgium
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18
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Sun M, Jiang W, Mu N, Zhang Z, Yu L, Ma H. Mitochondrial transplantation as a novel therapeutic strategy for cardiovascular diseases. J Transl Med 2023; 21:347. [PMID: 37231493 DOI: 10.1186/s12967-023-04203-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 05/13/2023] [Indexed: 05/27/2023] Open
Abstract
Cardiovascular disease (CVD) is the leading cause of noncommunicable disease-related death worldwide, and effective therapeutic strategies against CVD are urgently needed. Mitochondria dysfunction involves in the onset and development of CVD. Nowadays, mitochondrial transplantation, an alternative treatment aimed at increasing mitochondrial number and improving mitochondrial function, has been emerged with great therapeutic potential. Substantial evidence indicates that mitochondrial transplantation improves cardiac function and outcomes in patients with CVD. Therefore, mitochondrial transplantation has profound implications in the prevention and treatment of CVD. Here, we review the mitochondrial abnormalities that occur in CVD and summarize the therapeutic strategies of mitochondrial transplantation for CVD.
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Affiliation(s)
- Mingchu Sun
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, P.R. China
| | - Wenhua Jiang
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, P.R. China
| | - Nan Mu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, 710032, China
| | - Zihui Zhang
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, P.R. China.
| | - Lu Yu
- Department of Pathology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
| | - Heng Ma
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, 710032, China.
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19
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Fang X, Zhang J, Li Y, Song Y, Yu Y, Cai Z, Lian F, Yang J, Min J, Wang F. Malic Enzyme 1 as a Novel Anti-Ferroptotic Regulator in Hepatic Ischemia/Reperfusion Injury. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205436. [PMID: 36840630 PMCID: PMC10161122 DOI: 10.1002/advs.202205436] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 12/30/2022] [Indexed: 05/06/2023]
Abstract
Ferroptosis has been linked to the pathogenesis of hepatic injury induced by ischemia/reperfusion (I/R). However, the mechanistic basis remains unclear. In this study, by using a mouse model of hepatic I/R injury, it is observed that glutathione (GSH) and cysteine depletion are associated with deficiency of the reducing power of nicotinamide adenine dinucleotide phosphate (NADPH). Genes involved in maintaining NADPH homeostasis are screened, and it is identified that I/R-induced hepatic ferroptosis is significantly associated with reduced expression and activity of NADP+ -dependent malic enzyme 1 (Me1). Mice with hepatocyte-specific Me1 gene deletion exhibit aggravated ferroptosis and liver injury under I/R treatment; while supplementation with L-malate, the substrate of ME1, restores NADPH and GSH levels and eventually inhibits I/R-induced hepatic ferroptosis and injury. A mechanistic study further reveals that downregulation of hepatic Me1 expression is largely mediated by the phosphatase and tensin homologue (PTEN)-dependent suppression of the mechanistic target of rapamycin/sterol regulatory element-binding protein 1 (mTOR/SREBP1) signaling pathway in hepatic I/R model. Finally, PTEN inhibitor, mTOR activator, or SREBP1 over-expression all increase hepatic NADPH, block ferroptosis, and protect liver against I/R injury. Taken together, the findings suggest that targeting ME1 may provide new therapeutic opportunities for I/R injury and other ferroptosis-related hepatic conditions.
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Affiliation(s)
- Xuexian Fang
- Department of Nutrition and Toxicology, Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines of Zhejiang Province, School of Public Health, Hangzhou Normal University, Hangzhou, 311121, China
| | - Jiawei Zhang
- Department of Nutrition and Toxicology, Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines of Zhejiang Province, School of Public Health, Hangzhou Normal University, Hangzhou, 311121, China
| | - You Li
- Department of Nutrition and Toxicology, Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines of Zhejiang Province, School of Public Health, Hangzhou Normal University, Hangzhou, 311121, China
| | - Yijing Song
- Department of Nutrition and Toxicology, Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines of Zhejiang Province, School of Public Health, Hangzhou Normal University, Hangzhou, 311121, China
| | - Yingying Yu
- The Second Affiliated Hospital, The First Affiliated Hospital, School of Public Health, Institute of Translational Medicine, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Zhaoxian Cai
- The Second Affiliated Hospital, The First Affiliated Hospital, School of Public Health, Institute of Translational Medicine, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Fuzhi Lian
- Department of Nutrition and Toxicology, Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines of Zhejiang Province, School of Public Health, Hangzhou Normal University, Hangzhou, 311121, China
| | - Jun Yang
- Department of Nutrition and Toxicology, Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines of Zhejiang Province, School of Public Health, Hangzhou Normal University, Hangzhou, 311121, China
| | - Junxia Min
- The Second Affiliated Hospital, The First Affiliated Hospital, School of Public Health, Institute of Translational Medicine, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Fudi Wang
- The Second Affiliated Hospital, The First Affiliated Hospital, School of Public Health, Institute of Translational Medicine, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, 310058, China
- The First Affiliated Hospital, Basic Medical Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, China
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Machado IF, Palmeira CM, Rolo AP. Preservation of Mitochondrial Health in Liver Ischemia/Reperfusion Injury. Biomedicines 2023; 11:biomedicines11030948. [PMID: 36979927 PMCID: PMC10046671 DOI: 10.3390/biomedicines11030948] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/06/2023] [Accepted: 03/16/2023] [Indexed: 03/22/2023] Open
Abstract
Liver ischemia-reperfusion injury (LIRI) is a major cause of the development of complications in different clinical settings such as liver resection and liver transplantation. Damage arising from LIRI is a major risk factor for early graft rejection and is associated with higher morbidity and mortality after surgery. Although the mechanisms leading to the injury of parenchymal and non-parenchymal liver cells are not yet fully understood, mitochondrial dysfunction is recognized as a hallmark of LIRI that exacerbates cellular injury. Mitochondria play a major role in glucose metabolism, energy production, reactive oxygen species (ROS) signaling, calcium homeostasis and cell death. The diverse roles of mitochondria make it essential to preserve mitochondrial health in order to maintain cellular activity and liver integrity during liver ischemia/reperfusion (I/R). A growing body of studies suggest that protecting mitochondria by regulating mitochondrial biogenesis, fission/fusion and mitophagy during liver I/R ameliorates LIRI. Targeting mitochondria in conditions that exacerbate mitochondrial dysfunction, such as steatosis and aging, has been successful in decreasing their susceptibility to LIRI. Studying mitochondrial dysfunction will help understand the underlying mechanisms of cellular damage during LIRI which is important for the development of new therapeutic strategies aimed at improving patient outcomes. In this review, we highlight the progress made in recent years regarding the role of mitochondria in liver I/R and discuss the impact of liver conditions on LIRI.
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Affiliation(s)
- Ivo F. Machado
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3000 Coimbra, Portugal
- IIIUC—Institute of Interdisciplinary Research, University of Coimbra, 3000 Coimbra, Portugal
| | - Carlos M. Palmeira
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3000 Coimbra, Portugal
- Department of Life Sciences, University of Coimbra, 3000 Coimbra, Portugal
| | - Anabela P. Rolo
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3000 Coimbra, Portugal
- Department of Life Sciences, University of Coimbra, 3000 Coimbra, Portugal
- Correspondence: ; Tel.: +351-239-240-700
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Protective Effect of Oxygen and Isoflurane in Rodent Model of Intestinal Ischemia-Reperfusion Injury. Int J Mol Sci 2023; 24:ijms24032587. [PMID: 36768910 PMCID: PMC9917127 DOI: 10.3390/ijms24032587] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 01/22/2023] [Accepted: 01/27/2023] [Indexed: 01/31/2023] Open
Abstract
Animal research in intestinal ischemia-reperfusion injury (IRI) is mainly performed in rodent models. Previously, intraperitoneal (I.P.) injections with ketamine-xylazine mixtures were used. Nowadays, volatile anesthetics (isoflurane) are more common. However, the impact of the anesthetic method on intestinal IRI has not been investigated. We aim to analyze the different anesthetic methods and their influence on the extent of intestinal IRI in a rat model. Male Sprague-Dawley rats were used to investigate the effect of I.P. anesthesia on 60 min of intestinal ischemia and 60 min of reperfusion in comparison to hyperoxygenation (100% O2) and volatile isoflurane anesthesia. In comparison to I.P. anesthesia with room air (21% O2), supplying 100% O2 improved 7-day survival by cardiovascular stabilization, reducing lactic acidosis and preventing vascular leakage. However, this had no effect on the intestinal epithelial damage, permeability, and inflammatory response observed after intestinal IRI. In contrast to I.P. + 100% O2, isoflurane anesthesia reduced intestinal IRI by preventing ongoing low-flow reperfusion hypotension, limiting intestinal epithelial damage and permeability, and by having anti-inflammatory effects. When translating the aforementioned results of this study to clinical situations, such as intestinal ischemia or transplantation, the potential protective effects of hyperoxygenation and volatile anesthetics require further research.
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Yang F, Shen C. Sodium Danshensu Cream Promotes the Healing of Pressure Ulcers in Mice through the Nrf2/HO-1 and NF-κB Pathways. Pharmaceuticals (Basel) 2022; 15:ph15121548. [PMID: 36558999 PMCID: PMC9783848 DOI: 10.3390/ph15121548] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/01/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022] Open
Abstract
On the basis of the mice pressure ulcers (PU) model, the protective effect and potential mechanism of sodium Danshensu (SDSS) cream against PU were investigated. The mice were randomly divided into three groups: the negative control group (cream without 0.5 g SDSS), the SDSS group (cream containing 0.5 g SDSS), and the positive group (0.5 g Hirudoid®). After 7 and 14 days of ointment application, the wound-healing rate of the SDSS and positive groups was significantly higher than that of the control group (p < 0.05). The results of hematoxylin−eosin staining also indicated that SDSS has the potential to promote the healing of PU. In addition, the serum IL-6, IL-1β, TNF-α, and MDA levels decreased significantly (p < 0.01) after 14 days of SDSS treatment, while the SOD, CAT, and GSH-Px activities increased significantly (p < 0.01). In addition, SDSS cream was able to significantly increase the expression of Nrf2, HO-1, GCLM, NQO1, NF-κB p65, NF-κB p50, IKKα, and IKKβ while decreasing the expression of Keap1 and IκBαin the Nrf2/HO-1 and NF-κB pathways. Our research will provide a foundation for the future clinical prevention and treatment of PU with SDSS cream.
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Affiliation(s)
- Fei Yang
- School of Nursing, Zhejiang Chinese Medical University, Hangzhou 310053, China
- Hangzhou Women’s Hospital (Hangzhou Maternity and Child Health Care Hospital), Hangzhou 310008, China
| | - Cuizhen Shen
- School of Nursing, Zhejiang Chinese Medical University, Hangzhou 310053, China
- Correspondence:
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Abdul Khaliq H, Alhouayek M, Quetin-Leclercq J, Muccioli GG. 5'AMP-activated protein kinase: an emerging target of phytochemicals to treat chronic inflammatory diseases. Crit Rev Food Sci Nutr 2022; 64:4763-4788. [PMID: 36450301 DOI: 10.1080/10408398.2022.2145264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Inflammation is a defensive response of the organism to traumatic, infectious, toxic, ischemic, and autoimmune injury. Inflammatory mediators are released to effectively eliminate the inflammatory trigger and restore homeostasis. However, failure of these processes can lead to chronic inflammatory conditions and diseases such as inflammatory bowel diseases, rheumatoid arthritis, inflammatory lung diseases, atherosclerosis, and neurodegenerative diseases. The cure of chronic inflammatory diseases remains challenging as current therapies have various limitations, such as pronounced side effects, progressive loss of efficacy, and high cost especially for biologics. In this context, phytochemicals (such as alkaloids, flavonoids, lignans, phenolic acids, saponins, terpenoids, and other classes) are considered as an interesting alternative approach. Among the numerous targets of phytochemicals, AMP-activated protein kinase (AMPK) can be considered as an interesting target in the context of inflammation. AMPK regulates inflammatory response by inhibiting inflammatory pathways (NF-κB, JAK/STAT, and MAPK) and regulating several other processes of the inflammatory response (oxidative stress, autophagy, and apoptosis). In this review, we summarize and discuss the studies focusing on phytochemicals that showed beneficial effects by blocking different inflammatory pathways implicating AMPK activation in chronic inflammatory disease models. We also highlight elements to consider when investigating AMPK in the context of phytochemicals.
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Affiliation(s)
- Hafiz Abdul Khaliq
- Pharmacognosy Research Group, Louvain Drug Research Institute, UCLouvain, Brussels, Belgium
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, UCLouvain, Brussels, Belgium
- Department of Pharmacognosy, Faculty of Pharmacy, Bahauddin Zakariya University, Multan, Pakistan
| | - Mireille Alhouayek
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, UCLouvain, Brussels, Belgium
| | - Joëlle Quetin-Leclercq
- Pharmacognosy Research Group, Louvain Drug Research Institute, UCLouvain, Brussels, Belgium
| | - Giulio G Muccioli
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, UCLouvain, Brussels, Belgium
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