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Magalhães RC, Filha RDS, Vieira ÉLM, Teixeira AL, Moreira JM, Simões E Silva AC. Rehabilitation Intervention Is Associated With Improved Neurodevelopment and Modulation of Inflammatory Molecules in Children With Cerebral Palsy. J Child Neurol 2024:8830738241273436. [PMID: 39196287 DOI: 10.1177/08830738241273436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/29/2024]
Abstract
AIM To evaluate the effects of systematic rehabilitation on both the neuropsychomotor development, and on the peripheral response from immunological and neuroplastic mediators in children with cerebral palsy. METHODS This is a prospective cohort study with 90 children with cerebral palsy at 18 months of age. Sixty children received rehabilitation for 6 months, and they were compared to 30 children that were placed in the waiting list. Peripheral biomarkers and neuropsychomotor parameters were compared between the Rehab vs the Nonrehab groups at baseline and at 6 months. RESULTS Results showed higher Bayley III scores in the Rehab group, with significant differences in inflammatory and neurotrophic biomarkers between groups. Rehabilitation was associated to decreased levels of IL-12p70, IL-6, IL-1β, CXCL8 IL-8, and CXCL9/MIG and increased levels of BDNF and GDNF. Nonrehab children had stable immune molecule levels but decreased BDNF levels over time. CONCLUSION Rehabilitation improved neurodevelopment parameters and modulated levels of inflammatory (↓) and neurotrophic (↑) biomarkers.
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Affiliation(s)
- Rafael Coelho Magalhães
- Department of Occupational Therapy, School of Physical Education, Physiotherapy and Occupational Therapy, Federal University of Minas Gerais (UFMG), Belo Horizonte, Minas Gerais, Brazil
| | - Roberta da Silva Filha
- Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, UFMG, Belo Horizonte, Minas Gerais, Brazil
| | | | - Antônio Lúcio Teixeira
- Neuropsychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Janaina Matos Moreira
- Department of Pediatrics, Faculty of Medicine, UFMG, Belo Horizonte, Minas Gerais, Brazil
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Zhang Z, Xue P, Bendlin BB, Zetterberg H, De Felice F, Tan X, Benedict C. Melatonin: A potential nighttime guardian against Alzheimer's. Mol Psychiatry 2024:10.1038/s41380-024-02691-6. [PMID: 39128995 DOI: 10.1038/s41380-024-02691-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 07/31/2024] [Accepted: 08/01/2024] [Indexed: 08/13/2024]
Abstract
In the context of the escalating global health challenge posed by Alzheimer's disease (AD), this comprehensive review considers the potential of melatonin in both preventive and therapeutic capacities. As a naturally occurring hormone and robust antioxidant, accumulating evidence suggests melatonin is a compelling candidate to consider in the context of AD-related pathologies. The review considers several mechanisms, including potential effects on amyloid-beta and pathologic tau burden, antioxidant defense, immune modulation, and regulation of circadian rhythms. Despite its promise, several gaps need to be addressed prior to clinical translation. These include conducting additional randomized clinical trials in patients with or at risk for AD dementia, determining optimal dosage and timing, and further determining potential side effects, particularly of long-term use. This review consolidates existing knowledge, identifies gaps, and suggests directions for future research to better understand the potential of melatonin for neuroprotection and disease mitigation within the landscape of AD.
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Affiliation(s)
- Zefan Zhang
- Department of Big Data in Health Science, Zhejiang University School of Public Health and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- The Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Hangzhou, China
| | - Pei Xue
- Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
| | - Barbara B Bendlin
- School of Medicine and Public Health, University of Wisconsin, Madison, WI, USA
- Wisconsin Alzheimer's Disease Research Center, Madison, WI, USA
- Wisconsin Alzheimer's Institute, Madison, WI, USA
| | - Henrik Zetterberg
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden
- Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden
- Department of Neurodegenerative Disease, UCL Institute of Neurology, Queen Square, London, UK
- UK Dementia Research Institute at UCL, London, UK
- Hong Kong Center for Neurodegenerative Diseases, Clear Water Bay, Hong Kong, China
- Wisconsin Alzheimer's Disease Research Center, School of Medicine and Public Health, University of Wisconsin, University of Wisconsin-Madison, Madison, WI, USA
| | - Fernanda De Felice
- Centre for Neurosciences Studies, Departments of Biomedical and Molecular Sciences, and Psychiatry, Queen's University, Kingston, ON, K7L 3N6, Canada
- D'Or Institute for Research and Education, Rio de Janeiro RJ, 22281-100, Brazil
- Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, 21941-902, Rio de Janeiro RJ, Brazil
| | - Xiao Tan
- Department of Big Data in Health Science, Zhejiang University School of Public Health and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- The Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Hangzhou, China.
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
| | - Christian Benedict
- Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden.
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Khafaji AWM, Al-Zubaidy AAK, Farhood IG, Salman HR. Ameliorative effects of topical ramelteon on imiquimod-induced psoriasiform inflammation in mice. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:6231-6248. [PMID: 38446218 DOI: 10.1007/s00210-024-03017-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/19/2024] [Indexed: 03/07/2024]
Abstract
Psoriasis is a long-lasting, immune-related inflammatory skin disease that affects 2-3% of the global population. It is distinguished by erythematous, silvery, and scaly patches. Ramelteon is a type of melatonin agonist that is used to treat insomnia. It has enhanced non-classical immunomodulatory and anti-inflammatory activities. The aim of the study is to assess the ameliorative effects of topical ramelteon on imiquimod (IMQ)-aggravated psoriasiform-like dermatosis in mice. The 32 albino mouse males were placed into six groups of eight animals, all of them. With the exception of the control group, all groups gained a once-a-day regimen of topical imiquimod 5% cream at a dose of 62.5 mg for eight uninterrupted days, while mice in the control group gained vaseline-based ointment alternately. Immediately after an 8-day induction period in the imiquimod group, mice in the clobetasol and ramelteon treatment groups obtained a twice-daily regimen of topical clobetasol propionate 0.05% ointment and 0.1% ointment, respectively, for a further 8 days. This extends the total duration of the experimental study to 16 continuous days. The findings of our study found that ramelteon significantly mitigated the concentrations of inflammatory cytokines in the skin tissue, including interleukin (IL)-6, IL-17A, IL-23, tumor necrosis factor-α (TNF-α), and vascular endothelial growth factor (VEGF), as well as the scores associated with psoriatic lesions, including erythema, scaling, skin thickening, ear thickness, and overall cumulative PASI scores. Additionally, the anti-inflammatory impact of ramelteon was achieved by markedly increasing IL-10 levels in the skin tissue and correcting cutaneous histopathological alterations. Ramelteon ointment (0.1%) was comparable to that of clobetasol (0.05%) ointment in alleviating a mouse model of imiquimod-induced psoriasiform inflammation; this is probably due to its potential anti-inflammatory and immunomodulatory activities. Therefore, ramelteon could be a good additive option for therapeutic management of immune-triggered inflammatory conditions such as psoriasis.
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Affiliation(s)
| | | | - Iqbal Ghalib Farhood
- Section of Dermatology and Venereology, Department of Medicine, College of Medicine, Al-Nahrain University, Baghdad, Iraq
| | - Hayder Ridha Salman
- Department of Pharmacology, College of Pharmacy, Al-Mustaqbal University, 510001, Hillah, Iraq
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El-Gazar AA, Soubh AA, Abdallah DM, Ragab GM, El-Abhar HS. Elucidating PAR1 as a therapeutic target for delayed traumatic brain injury: Unveiling the PPAR-γ/Nrf2/HO-1/GPX4 axis to suppress ferroptosis and alleviate NLRP3 inflammasome activation in rats. Int Immunopharmacol 2024; 139:112774. [PMID: 39067398 DOI: 10.1016/j.intimp.2024.112774] [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: 03/16/2024] [Revised: 07/15/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024]
Abstract
Repetitive traumatic brain injury (RTBI) is acknowledged as a silent overlooked public health crisis, with an incomplete understanding of its pathomechanistic signaling pathways. Mounting evidence suggests the involvement of thrombin and its receptor, the protease-activated receptor (PAR)1, in the development of secondary injury in TBI; however, the consequences of PAR1 modulation and its impact on ferroptosis-redox signaling, and NLRP3 inflammasome activation in RTBI, remain unclear. Further, the utilitarian function of PAR1 as a therapeutic target in RTBI has not been elucidated. To study this crosstalk, RTBI was induced in Wistar rats by daily weight drops on the right frontal region for five days. Three groups were included: normal control, untreated RTBI, and RTBI+SCH79797 (a PAR1 inhibitor administered post-trauma at 25 μg/kg/day). The concomitant treatment of PAR1 antagonism improved altered behavior function, cortical histoarchitecture, and neuronal cell survival. Moreover, the receptor blockade downregulated mRNA expression of PAR1 but upregulatedthat of the neuroprotective receptor PPAR-γ. The anti-inflammatory impact of SCH79797 was signified by the low immune expression/levels of NF-κB p65,TNF-α, IL-1β, and IL-18. Consequently, the PAR1 blocker hindered the formation of inflammasome components NLRP3, ASC, and activated caspase-1. Ultimately, SCH79797 treatment abated ferroptosis-dependent iron redox signaling through the activation of the antioxidant Nrf2/HO-1 axis and its subsequent antioxidant machinery (GPX4, SOD) to limit lipid peroxidation, iron accumulation, and transferrin serum increment. Collectively, SCH79797 offered putative preventive mechanisms against secondary RTBI consequences in rats by impeding ferroptosis and NLRP3 inflammasome through activating the PPAR-γ/Nrf2 antioxidant cue.
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Affiliation(s)
- Amira A El-Gazar
- Department of Pharmacology & Toxicology, October 6 University, Giza, Egypt
| | - Ayman A Soubh
- Department of Pharmacology & Toxicology, Ahram Canadian University, Giza, Egypt
| | - Dalaal M Abdallah
- Department of Pharmacology & Toxicology, Cairo University, Cairo, Egypt.
| | - Ghada M Ragab
- Department of Pharmacology & Toxicology, Misr University for Science and Technology, Giza, Egypt
| | - Hanan S El-Abhar
- Department of Pharmacology, Toxicology & Biochemistry, Future University in Egypt, Cairo, Egypt
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5
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Yavuz Türel G, Aslan Koşar P. Protective efficacy of ramelteon on methotrexate-induced DNA damage. Drug Chem Toxicol 2024:1-7. [PMID: 38984403 DOI: 10.1080/01480545.2024.2375300] [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: 04/06/2024] [Accepted: 06/26/2024] [Indexed: 07/11/2024]
Abstract
Ramelteon (RMLT) is a melatonin receptor agonist that it has antioxidative and anti-inflammatory effects associated with DNA damage through different mechanisms of action. In this regard, we investigated the potential usefulness of RMLT as a protective agent against methotrexate (MTX)-induced DNA damage. Four groups were constituted from 32 Wistar albino rats: Negative control, RMLT, MTX, and MTX + RMLT. Twenty mg/kg MTX (i.p., single dose) and RMLT 10 mg/kg (oral, 7 days) was administered. Comet assay was used and the parameter %TailDNA was used to detect DNA damage. %TailDNA was 4.90 ± 0.19 in the control group, 7.85 ± 0.33 in the MTX group, 5.49 ± 0.24 in the RMLT group, and 5.86 ± 0.23 in the MTX + RMLT group. While there was a significant increase in DNA damage in the MTX-treated group compared to the control group, there was a significant reduction in DNA damage in the MTX + RMLT group, compared to the MTX group (p < 0.001). In conclusion, it was observed that combined treatment with RMLT significantly reduced MTX-induced DNA damage.
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Affiliation(s)
- Gülçin Yavuz Türel
- Faculty of Medicine, Department of Medical Biology, Süleyman Demirel University, Isparta, Turkey
| | - Pınar Aslan Koşar
- Faculty of Medicine, Department of Medical Biology, Süleyman Demirel University, Isparta, Turkey
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Torres-Torres J, Espino-y-Sosa S, Martinez-Portilla R, Borboa-Olivares H, Estrada-Gutierrez G, Acevedo-Gallegos S, Ruiz-Ramirez E, Velasco-Espin M, Cerda-Flores P, Ramirez-Gonzalez A, Rojas-Zepeda L. A Narrative Review on the Pathophysiology of Preeclampsia. Int J Mol Sci 2024; 25:7569. [PMID: 39062815 PMCID: PMC11277207 DOI: 10.3390/ijms25147569] [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: 06/15/2024] [Revised: 07/06/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024] Open
Abstract
Preeclampsia (PE) is a multifactorial pregnancy disorder characterized by hypertension and proteinuria, posing significant risks to both maternal and fetal health. Despite extensive research, its complex pathophysiology remains incompletely understood. This narrative review aims to elucidate the intricate mechanisms contributing to PE, focusing on abnormal placentation, maternal systemic response, oxidative stress, inflammation, and genetic and epigenetic factors. This review synthesizes findings from recent studies, clinical trials, and meta-analyses, highlighting key molecular and cellular pathways involved in PE. The review integrates data on oxidative stress biomarkers, angiogenic factors, immune interactions, and mitochondrial dysfunction. PE is initiated by poor placentation due to inadequate trophoblast invasion and improper spiral artery remodeling, leading to placental hypoxia. This triggers the release of anti-angiogenic factors such as soluble fms-like tyrosine kinase-1 (sFlt-1) and soluble endoglin (sEng), causing widespread endothelial dysfunction and systemic inflammation. Oxidative stress, mitochondrial abnormalities, and immune dysregulation further exacerbate the condition. Genetic and epigenetic modifications, including polymorphisms in the Fms-like tyrosine kinase 1 (FLT1) gene and altered microRNA (miRNA) expression, play critical roles. Emerging therapeutic strategies targeting oxidative stress, inflammation, angiogenesis, and specific molecular pathways like the heme oxygenase-1/carbon monoxide (HO-1/CO) and cystathionine gamma-lyase/hydrogen sulfide (CSE/H2S) pathways show promise in mitigating preeclampsia's effects. PE is a complex disorder with multifactorial origins involving abnormal placentation, endothelial dysfunction, systemic inflammation, and oxidative stress. Despite advances in understanding its pathophysiology, effective prevention and treatment strategies remain limited. Continued research is essential to develop targeted therapies that can improve outcomes for both mothers and their babies.
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Affiliation(s)
- Johnatan Torres-Torres
- Clinical Research Branch, Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Mexico City 11000, Mexico; (R.M.-P.)
- Obstetric and Gynecology Department, Hospital General de México Dr. Eduardo Liceaga, Mexico City 06720, Mexico (P.C.-F.)
| | - Salvador Espino-y-Sosa
- Clinical Research Branch, Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Mexico City 11000, Mexico; (R.M.-P.)
| | - Raigam Martinez-Portilla
- Clinical Research Branch, Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Mexico City 11000, Mexico; (R.M.-P.)
| | - Hector Borboa-Olivares
- Clinical Research Branch, Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Mexico City 11000, Mexico; (R.M.-P.)
| | - Guadalupe Estrada-Gutierrez
- Clinical Research Branch, Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Mexico City 11000, Mexico; (R.M.-P.)
| | - Sandra Acevedo-Gallegos
- Clinical Research Branch, Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Mexico City 11000, Mexico; (R.M.-P.)
| | - Erika Ruiz-Ramirez
- Obstetric and Gynecology Department, Hospital General de México Dr. Eduardo Liceaga, Mexico City 06720, Mexico (P.C.-F.)
| | - Martha Velasco-Espin
- Obstetric and Gynecology Department, Hospital General de México Dr. Eduardo Liceaga, Mexico City 06720, Mexico (P.C.-F.)
| | - Pablo Cerda-Flores
- Obstetric and Gynecology Department, Hospital General de México Dr. Eduardo Liceaga, Mexico City 06720, Mexico (P.C.-F.)
| | - Andrea Ramirez-Gonzalez
- Obstetric and Gynecology Department, Hospital General de México Dr. Eduardo Liceaga, Mexico City 06720, Mexico (P.C.-F.)
| | - Lourdes Rojas-Zepeda
- Maternal-Fetal Medicine Department, Instituto Materno Infantil del Estado de Mexico, Toluca 50170, Mexico
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Yang Y, Li Z, Fan X, Jiang C, Wang J, Rastegar-Kashkooli Y, Wang TJ, Wang J, Wang M, Cheng N, Yuan X, Chen X, Jiang B, Wang J. Nanozymes: Potential Therapies for Reactive Oxygen Species Overproduction and Inflammation in Ischemic Stroke and Traumatic Brain Injury. ACS NANO 2024; 18:16450-16467. [PMID: 38897929 DOI: 10.1021/acsnano.4c03425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Nanozymes, which can selectively scavenge reactive oxygen species (ROS), have recently emerged as promising candidates for treating ischemic stroke and traumatic brain injury (TBI) in preclinical models. ROS overproduction during the early phase of these diseases leads to oxidative brain damage, which has been a major cause of mortality worldwide. However, the clinical application of ROS-scavenging enzymes is limited by their short in vivo half-life and inability to cross the blood-brain barrier. Nanozymes, which mimic the catalytic function of natural enzymes, have several advantages, including cost-effectiveness, high stability, and easy storage. These advantages render them superior to natural enzymes for disease diagnosis and therapeutic interventions. This review highlights recent advancements in nanozyme applications for ischemic stroke and TBI, emphasizing their potential to mitigate the detrimental effect of ROS overproduction, oxidative brain damage, inflammation, and blood-brain barrier compromise. Therefore, nanozymes represent a promising treatment modality for ROS overproduction conditions in future medical practices.
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Affiliation(s)
- Yunfan Yang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, Henan, P. R. China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Zixiang Li
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, Henan, P. R. China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Xiaochong Fan
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, Henan, P. R. China
| | - Chao Jiang
- Department of Neurology, People's Hospital of Zhengzhou University, Zhengzhou 450000, Henan, P. R. China
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Yousef Rastegar-Kashkooli
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
- School of International Education, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Tom J Wang
- Program in Behavioral Biology, The Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Junyang Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Menglu Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Nannan Cheng
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Xiqian Yuan
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Xuemei Chen
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Bing Jiang
- Nanozyme Laboratory in Zhongyuan, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Jian Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, Henan, P. R. China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
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Xu W, Yu P, Shao S, Xie Z, Wu Y, Liu J, Xu T, Cai G, Yang H. Oligosaccharides from black ginseng innovatively prepared by low-temperature steam-heating process ameliorate cognitive impairment in Alzheimer's disease mice via the Keap-1/Nrf2 pathway. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:5625-5638. [PMID: 38372395 DOI: 10.1002/jsfa.13394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 01/04/2024] [Accepted: 02/19/2024] [Indexed: 02/20/2024]
Abstract
BACKGROUND Our objective in this study was to evaluate the effectiveness of oligosaccharides extracted from black ginseng (OSBG), innovatively prepared by a low-temperature steam-heating process, in the improvement of learning and memory impairment in mice, as well as the mechanism(s). RESULTS Eight carbohydrates involving isomaltose and maltotetraose were detected in black gensing; monosaccharide residues including mannose and rhamnose were also discovered. OSBG-treated mice showed significant amelioration in recognition and spatial memory deficits compared to the scopolamine group. OSBG could decrease acetylcholinesterase activity in a tissue-dependent fashion but not in a dose-dependent manner. Furthermore, in contrast, OSBG administration resulted in significant upregulation superoxide dismutase, glutathione, glutathione peroxidase (GPx), and Kelch-like ECH-associated protein 1, downregulation of malondialdehyde and nuclear factor erythroid 2-related factor 2 in the tissues. Finally, at the genus level, we observed that the OSBG interventions increased the relative abundance of probiotics (e.g., Barnesiella, Staphylococcus, Clostridium_XlVb) and decreased pernicious bacteria such as Eisenbergiella and Intestinimonas, compared to the Alzheimer's disease mouse model group. Herein, our results demonstrate that OSBG restores the composition of the scopolamine-induced intestinal microbiota in mice, providing homeostasis of gut microbiota and providing evidence for microbiota-regulated therapeutic potential. CONCLUSION Our results showed for the first time a clear role for OSBG in improving scopolamine-induced memory impairment by inhibiting cholinergic dysfunction in a tissue-dependent manner. Additionally, OSBG administration relieved oxidative stress by activating the Keap-1/Nrf2 pathway and modulating the gut microbiota. Collectively, OSBG may be a promising target for neuroprotective antioxidants for improving memory and cognition in Alzheimer's disease patients. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Weiyin Xu
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Peng Yu
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Simeng Shao
- The Public Experimental Center, Changchun University of Chinese Medicine, Changchun, China
| | - Zhaoyang Xie
- The Public Experimental Center, Changchun University of Chinese Medicine, Changchun, China
| | - Yi Wu
- The Public Experimental Center, Changchun University of Chinese Medicine, Changchun, China
| | - Jianing Liu
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Tianyang Xu
- Innovation Practice Center, Changchun University of Chinese Medicine, Changchun, China
| | - Guangzhi Cai
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun, China
| | - Hongmei Yang
- The Public Experimental Center, Changchun University of Chinese Medicine, Changchun, China
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Wang G, Xie W, Deng L, Huang X, Sun M, Liu W, Tang S. Nrf2 mediates the effects of shionone on silica-induced pulmonary fibrosis. Chin Med 2024; 19:88. [PMID: 38898509 PMCID: PMC11188511 DOI: 10.1186/s13020-024-00947-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 05/19/2024] [Indexed: 06/21/2024] Open
Abstract
BACKGROUND Extended contact with silica particles can lead to Silicosis, a chronic lung condition lacking established treatment protocols or clear mechanisms of development. The urgency for innovative treatments arises from the unavailability of effective treatment methodologies. The origin of silica-induced pulmonary fibrosis includes essential processes such as macrophage activation and the conversion of fibroblasts into myofibroblasts, with oxidative stress playing a pivotal role. Shionone (SHI), a triterpenoid extracted from the Aster tataricus plant, is recognized for its extensive health benefits. This study explores the capability of SHI to alleviate the effects of silica-induced lung fibrosis in mice. METHODS This investigation explored the impact of SHI on lung inflammation and fibrosis at different stages (early and late) triggered by silica in mice, focusing specifically on the initial and more developed phases. It comprised an analysis of isolated peritoneal macrophages and fibroblasts extracted from mice to elucidate SHI's therapeutic potential and its underlying mechanism. The methodology employed encompassed quantitative PCR, immunofluorescence, flow cytometry, and western blotting to examine macrophage activity and their transition into myofibroblasts. The activation of the nuclear factor erythroid 2-related factor 2 (Nrf2) pathway by SHI was confirmed via immunofluorescence and western blot studies. SHI's antioxidative properties were evidenced by the measurement of reactive oxygen species (ROS) and mitochondrial ROS within both macrophages and fibroblasts, using 2', 7'-dichlorodihydrofluorescein diacetate and MitoSOX, respectively. The relevance of SHI was further underscored by applying ML385 and Nrf2 siRNA to gauge its effectiveness. RESULTS Starting SHI treatment early countered the harmful effects of lung inflammation and fibrosis caused by silica, while initiating SHI at a later phase decelerated the advancement of fibrosis. SHI's action was linked to the activation of the Nrf2 signaling pathway, a boost in antioxidant enzyme levels, and a decrease in oxidative stress and inflammation in macrophages affected by silica. Furthermore, SHI prevented the conversion of fibroblasts into myofibroblasts prompted by TGF-β, along with the resultant oxidative stress. The beneficial outcomes of SHI were negated when ML385 and Nrf2 siRNA were applied, highlighting the pivotal role of the Nrf2 pathway in SHI's efficacy. CONCLUSION SHI plays a significant role in stimulating the Nrf2 pathway, thereby defending against silica-induced oxidative stress and inflammatory reactions in macrophages, and inhibiting the conversion of fibroblasts to myofibroblasts due to TGF-β. This suggests that SHI is a viable option for treating lung inflammation and fibrosis in mice suffering from silicosis.
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Affiliation(s)
- Guiyun Wang
- Shandong Xiehe University, Jinan, Shandong, China
| | - Weixi Xie
- Xiangya Nursing School, Central South University, Changsha, Hunan, China
| | - Lang Deng
- Xiangya Nursing School, Central South University, Changsha, Hunan, China
| | - Xiaoting Huang
- Xiangya Nursing School, Central South University, Changsha, Hunan, China
| | - Mei Sun
- Xiangya Nursing School, Central South University, Changsha, Hunan, China
| | - Wei Liu
- Xiangya Nursing School, Central South University, Changsha, Hunan, China.
| | - Siyuan Tang
- Xiangya Nursing School, Central South University, Changsha, Hunan, China.
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Wang S, Li C, Kang X, Su X, Liu Y, Wang Y, Liu S, Deng X, Huang H, Li T, Lu D, Cai W, Lu Z, Wei L, Lu T. Agomelatine promotes differentiation of oligodendrocyte precursor cells and preserves white matter integrity after cerebral ischemic stroke. J Cereb Blood Flow Metab 2024:271678X241260100. [PMID: 38853430 DOI: 10.1177/0271678x241260100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
White matter injury contributes to neurological disorders after acute ischemic stroke (AIS). The repair of white matter injury is dependent on the re-myelination by oligodendrocytes. Both melatonin and serotonin antagonist have been proved to protect against post-stroke white matter injury. Agomelatine (AGM) is a multi-functional treatment which is both a melatonin receptor agonist and selective serotonin receptor antagonist. Whether AGM protects against white matter injury after stroke and the underlying mechanisms remain elusive. Here, using the transient middle cerebral artery occlusion (tMCAO) model, we evaluated the therapeutic effects of AGM in stroke mice. Sensorimotor and cognitive functions, white matter integrity, oligodendroglial regeneration and re-myelination in stroke hemisphere after AGM treatment were analyzed. We found that AGM efficiently preserved white matter integrity, reduced brain tissue loss, attenuated long-term sensorimotor and cognitive deficits in tMCAO models. AGM treatment promoted OPC differentiation and enhanced re-myelination both in vitro, ex vivo and in vivo, although OPC proliferation was unaffected. Mechanistically, AGM activated low density lipoprotein receptor related protein 1 (LRP1), peroxisome proliferator-activated receptor γ (PPARγ) signaling thus promoted OPC differentiation and re-myelination after stroke. Inhibition of PPARγ or knock-down of LRP1 in OPCs reversed the beneficial effects of AGM. Altogether, our data indicate that AGM represents a novel therapy against white matter injury after cerebral ischemia.
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Affiliation(s)
- Shisi Wang
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Chunyi Li
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xinmei Kang
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xiaotao Su
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yuxin Liu
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yuge Wang
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Sanxin Liu
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xiaohui Deng
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Huipeng Huang
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Tiemei Li
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Danli Lu
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Wei Cai
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Brain Function and Disease, Guangzhou, China
| | - Zhengqi Lu
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Lei Wei
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Tingting Lu
- Department of Neurology, Mental and Neurological Disease Research Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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Zhang M, Han X, Yan L, Fu Y, Kou H, Shang C, Wang J, Liu H, Jiang C, Wang J, Cheng T. Inflammatory response in traumatic brain and spinal cord injury: The role of XCL1-XCR1 axis and T cells. CNS Neurosci Ther 2024; 30:e14781. [PMID: 38887195 PMCID: PMC11183917 DOI: 10.1111/cns.14781] [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: 01/12/2024] [Revised: 04/29/2024] [Accepted: 05/11/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Traumatic brain injury (TBI) and spinal cord injury (SCI) are acquired injuries to the central nervous system (CNS) caused by external forces that cause temporary or permanent sensory and motor impairments and the potential for long-term disability or even death. These conditions currently lack effective treatments and impose substantial physical, social, and economic burdens on millions of people and families worldwide. TBI and SCI involve intricate pathological mechanisms, and the inflammatory response contributes significantly to secondary injury in TBI and SCI. It plays a crucial role in prolonging the post-CNS trauma period and becomes a focal point for a potential therapeutic intervention. Previous research on the inflammatory response has traditionally concentrated on glial cells, such as astrocytes and microglia. However, increasing evidence highlights the crucial involvement of lymphocytes in the inflammatory response to CNS injury, particularly CD8+ T cells and NK cells, along with their downstream XCL1-XCR1 axis. OBJECTIVE This review aims to provide an overview of the role of the XCL1-XCR1 axis and the T-cell response in inflammation caused by TBI and SCI and identify potential targets for therapy. METHODS We conducted a comprehensive search of PubMed and Web of Science using relevant keywords related to the XCL1-XCR1 axis, T-cell response, TBI, and SCI. RESULTS This study examines the upstream and downstream pathways involved in inflammation caused by TBI and SCI, including interleukin-15 (IL-15), interleukin-12 (IL-12), CD8+ T cells, CD4+ T cells, NK cells, XCL1, XCR1+ dendritic cells, interferon-gamma (IFN-γ), helper T0 cells (Th0 cells), helper T1 cells (Th1 cells), and helper T17 cells (Th17 cells). We describe their proinflammatory effect in TBI and SCI. CONCLUSIONS The findings suggest that the XCL1-XCR1 axis and the T-cell response have great potential for preclinical investigations and treatments for TBI and SCI.
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Affiliation(s)
- Mingkang Zhang
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Xiaonan Han
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Liyan Yan
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Yikun Fu
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Hongwei Kou
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Chunfeng Shang
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical SciencesZhengzhou UniversityZhengzhouHenanChina
| | - Hongjian Liu
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Chao Jiang
- Department of NeurologyPeople's Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Jian Wang
- Department of Human Anatomy, School of Basic Medical SciencesZhengzhou UniversityZhengzhouHenanChina
| | - Tian Cheng
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
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12
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Tao Y, Zhao Q, Lu C, Yong W, Xu M, Wang Z, Leng X. Melatonin suppresses atherosclerosis by ferroptosis inhibition via activating NRF2 pathway. FASEB J 2024; 38:e23678. [PMID: 38780199 DOI: 10.1096/fj.202400427rr] [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: 02/26/2024] [Revised: 05/02/2024] [Accepted: 05/07/2024] [Indexed: 05/25/2024]
Abstract
Melatonin (MLT), a conserved small indole compound, exhibits anti-inflammatory and antioxidant properties, contributing to its cardioprotective effects. Lipoprotein-associated phospholipase A2 (Lp-PLA2) is associated with atherosclerosis disease risk, and is known as an atherosclerosis risk biomarker. This study aimed to investigate the impact of MLT on Lp-PLA2 expression in the atherosclerotic process and explore the underlying mechanisms involved. In vivo, ApoE-/- mice were fed a high-fat diet, with or without MLT administration, after which the plaque area and collagen content were assessed. Macrophages were pretreated with MLT combined with ox-LDL, and the levels of ferroptosis-related proteins, NRF2 activation, mitochondrial function, and oxidative stress were measured. MLT administration significantly attenuated atherosclerotic plaque progression, as evidenced by decreased plaque area and increased collagen. Compared with those in the high-fat diet (HD) group, the levels of glutathione peroxidase 4 (GPX4) and SLC7A11 (xCT, a cystine/glutamate transporter) in atherosclerotic root macrophages were significantly increased in the MLT group. In vitro, MLT activated the nuclear factor-E2-related Factor 2 (NRF2)/SLC7A11/GPX4 signaling pathway, enhancing antioxidant capacity while reducing lipid peroxidation and suppressing Lp-PLA2 expression in macrophages. Moreover, MLT reversed ox-LDL-induced ferroptosis, through the use of ferrostatin-1 (a ferroptosis inhibitor) and/or erastin (a ferroptosis activator). Furthermore, the protective effects of MLT on Lp-PLA2 expression, antioxidant capacity, lipid peroxidation, and ferroptosis were decreased in ML385 (a specific NRF2 inhibitor)-treated macrophages and in AAV-sh-NRF2 treated ApoE-/- mice. MLT suppresses Lp-PLA2 expression and atherosclerosis processes by inhibiting macrophage ferroptosis and partially activating the NRF2 pathway.
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Affiliation(s)
- Yangyang Tao
- Department of Ultrasound, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Qinglong Zhao
- Department of Interventional Radiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Chengbo Lu
- Department of Cardiology, The First Affiliated Hospital of Jiamusi University, jiamusi, China
| | - Weilin Yong
- Department of Medical Services, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Mingyuan Xu
- Department of Ultrasound, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhuo Wang
- Department of Ultrasound, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xiaoping Leng
- Department of Ultrasound, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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Lin P, Lin C, Diao L. RBM3 Ameliorates Acute Brain Injury-induced Inflammation and Oxidative Stress by Stabilizing GAS6 mRNA Through Nrf2 Signaling Pathway. Neuroscience 2024; 547:74-87. [PMID: 38555015 DOI: 10.1016/j.neuroscience.2024.03.028] [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: 01/22/2024] [Revised: 03/21/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
RNA-binding motif protein 3 (RBM3), as a cold-inducible protein, exhibits neuroprotective function in brain disorders. This study was conducted to investigate the effects of RBM3 on acute brain injury (ABI) and its underlying mechanism. The cerebral injury (CI) rat model and oxygen-glucose deprivation (OGD) cell model were established. The neurological severity score, wire-grip score, morris water maze test, and Y-maze test were used to detect the neurological damage, vestibular motor, learning, and memory functions. Cerebral injury, apoptosis, oxidative stress, and inflammatory level were evaluated by hematoxylin-eosin and TUNEL staining and specific kits. Flow cytometry was used to analyze the apoptosis rate. The relationship between RBM3 and growth arrest specific (GAS) 6 was analyzed by RNA immunoprecipitation assay. The results indicated that RBM3 recovered of neurological function and behaviour impairment of CI rats. Additionally, RBM3 reversed the increased oxidative stress, inflammatory level, and apoptosis induced by CI and OGD. RBM3 interacted with GAS6 to activate the Nrf2 signaling pathway, thus playing neuroprotection on ABI. Besides, the results of RBM3 treatment were similar to those of mild hypothermia treatment. In summary, RBM3 exerted neuroprotection and ameliorated inflammatory levels and oxidative stress by stabilizing GAS6 mRNA through the Nrf2 signaling pathway, suggesting that RBM3 might be a potential therapeutic candidate for treating ABI.
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Affiliation(s)
- Pingqing Lin
- Department Of Emergency, Fuzhou Second General Hospital, Fuzhou City, Fujian Province 350007, China.
| | - Chengshi Lin
- Department Of Emergency, Fuzhou Second General Hospital, Fuzhou City, Fujian Province 350007, China
| | - Liangbiao Diao
- Department Of Nephrology, Fuzhou Second General Hospital, Fuzhou City, Fujian Province 350007, China
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14
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Sun M, Rong J, Zhou M, Liu Y, Sun S, Liu L, Cai D, Liang F, Zhao L. Astrocyte-Microglia Crosstalk: A Novel Target for the Treatment of Migraine. Aging Dis 2024; 15:1277-1288. [PMID: 37450927 PMCID: PMC11081170 DOI: 10.14336/ad.2023.0623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 06/23/2023] [Indexed: 07/18/2023] Open
Abstract
Migraine is a pervasive neurologic disease closely related to neurogenic inflammation. The astrocytes and microglia in the central nervous system are vital in inducing neurogenic inflammation in migraine. Recently, it has been found that there may be a crosstalk phenomenon between microglia and astrocytes, which plays a crucial part in the pathology and treatment of Alzheimer's disease and other central nervous system diseases closely related to inflammation, thus becoming a novel hotspot in neuroimmune research. However, the role of the crosstalk between microglia and astrocytes in the pathogenesis and treatment of migraine is yet to be discussed. Based on the preliminary literature reports, we have reviewed relevant evidence of the crosstalk between microglia and astrocytes in the pathogenesis of migraine and summarized the crosstalk pathways, thereby hoping to provide novel ideas for future research and treatment.
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Affiliation(s)
- Mingsheng Sun
- College of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jing Rong
- College of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Mengdi Zhou
- College of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yi Liu
- College of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Shiqi Sun
- College of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lu Liu
- College of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Dingjun Cai
- College of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fanrong Liang
- College of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ling Zhao
- College of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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15
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Zhao J, Chen C, Ge L, Jiang Z, Hu Z, Yin L. TAK1 inhibition mitigates intracerebral hemorrhage-induced brain injury through reduction of oxidative stress and neuronal pyroptosis via the NRF2 signaling pathway. Front Immunol 2024; 15:1386780. [PMID: 38756773 PMCID: PMC11096530 DOI: 10.3389/fimmu.2024.1386780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 04/18/2024] [Indexed: 05/18/2024] Open
Abstract
Introduction Intracerebral hemorrhage (ICH) often triggers oxidative stress through reactive oxygen species (ROS). Transforming growth factor-β-activated kinase 1 (TAK1) plays a pivotal role in regulating oxidative stress and inflammation across various diseases. 5Z-7-Oxozeaenol (OZ), a specific inhibitor of TAK1, has exhibited therapeutic effects in various conditions. However, the impact of OZ following ICH and its underlying molecular mechanisms remain elusive. This study aimed to explore the possible role of OZ in ICH and its underlying mechanisms by inhibiting oxidative stress-mediated pyroptosis. Methods Adult male Sprague-Dawley rats were subjected to an ICH model, followed by treatment with OZ. Neurobehavioral function, blood-brain barrier integrity, neuronal pyroptosis, and oxidative stress markers were assessed using various techniques including behavioral tests, immunofluorescence staining, western blotting, transmission electron microscopy, and biochemical assays. Results Our study revealed that OZ administration significantly inhibited phosphorylated TAK1 expression post-ICH. Furthermore, TAK1 blockade by OZ attenuated blood-brain barrier (BBB) disruption, neuroinflammation, and oxidative damage while enhancing neurobehavioral function. Mechanistically, OZ administration markedly reduced ROS production and oxidative stress by facilitating nuclear factor-erythroid 2-related factor 2 (NRF2) nuclear translocation. This was accompanied by a subsequent suppression of the NOD-like receptor protein 3 (NLRP3) activation-mediated inflammatory cascade and neuronal pyroptosis. Discussion Our findings highlight that OZ alleviates brain injury and oxidative stress-mediated pyroptosis via the NRF2 pathway. Inhibition of TAK1 emerges as a promising approach for managing ICH.
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Affiliation(s)
- Jing Zhao
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
- Clinical Medical Research Center for Stroke Prevention and Treatment of Hunan Province, Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
| | - Chunli Chen
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
- Clinical Medical Research Center for Stroke Prevention and Treatment of Hunan Province, Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
| | - Lite Ge
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
- Clinical Medical Research Center for Stroke Prevention and Treatment of Hunan Province, Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
| | - Zheng Jiang
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
- Clinical Medical Research Center for Stroke Prevention and Treatment of Hunan Province, Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
| | - Zhiping Hu
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
- Clinical Medical Research Center for Stroke Prevention and Treatment of Hunan Province, Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
| | - Lihong Yin
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
- Clinical Medical Research Center for Stroke Prevention and Treatment of Hunan Province, Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, China
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Liu Z, Lee H, Dong L, Cheong SH, Lee DS. Fatsia japonica extract exerts antioxidant and anti-neuroinflammatory effects on neuronal cells and a zebrafish model. JOURNAL OF ETHNOPHARMACOLOGY 2024; 324:117813. [PMID: 38281691 DOI: 10.1016/j.jep.2024.117813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/19/2024] [Accepted: 01/20/2024] [Indexed: 01/30/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Fatsia japonica is a traditional medicine used to treat various diseases, including inflammation-related disorders. However, its antineuroinflammatory and neuroprotective effects remain unclear. AIM OF THE STUDY We aimed to evaluate the anti-neuroinflammatory and neuroprotective effects of F. japonica extract to identify the underlying mechanisms. MATERIALS AND METHODS The components of F. japonica extract were profiled using ultra-high-performance liquid chromatography-mass spectrometry. The effects of F. japonica extract were investigated in BV2 microglia and HT22 hippocampal cells. Furthermore, in vivo effects of F. japonica extract were assessed using zebrafish models treated with H2O2 and LPS to evaluate the effects of in vivo. RESULTS We identified 27 compounds in the F. japonica extract. F. japonica extract demonstrated anti-inflammatory properties by suppressing LPS-induced inflammatory responses in both BV2 cells and zebrafish, along with inhibiting the activation of the nuclear factor (NF)-κB (p65) pathway. The protective effects of this extract were also observed on glutamate-treated HT22 cells and in H2O2-induced zebrafish. Furthermore, F. japonica extract upregulated nuclear factor E2-related (Nrf) 2/heme oxygenase (HO)-1 expression in BV2 and HT22 cells. CONCLUSIONS F. japonica extract exerted anti-neuroinflammatory and neuroprotective effects through Nrf2/HO-1 and the NF-κB pathway.
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Affiliation(s)
- Zhiming Liu
- College of Pharmacy, Chosun University, Dong-gu, Gwangju, 61452, Republic of Korea.
| | - Hwan Lee
- College of Pharmacy, Chosun University, Dong-gu, Gwangju, 61452, Republic of Korea.
| | - Linsha Dong
- College of Pharmacy, Chosun University, Dong-gu, Gwangju, 61452, Republic of Korea.
| | - Sun Hee Cheong
- Department of Marine Bio-Food Sciences, Chonnam National University, Yeosu, 59626, Republic of Korea.
| | - Dong-Sung Lee
- College of Pharmacy, Chosun University, Dong-gu, Gwangju, 61452, Republic of Korea.
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Guo SN, Jiang XQ, Chen N, Song SM, Fang Y, Xie QM, Fei GH, Wu HM. Melatonin regulates circadian clock proteins expression in allergic airway inflammation. Heliyon 2024; 10:e27471. [PMID: 38496876 PMCID: PMC10944242 DOI: 10.1016/j.heliyon.2024.e27471] [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: 11/16/2023] [Revised: 02/20/2024] [Accepted: 02/29/2024] [Indexed: 03/19/2024] Open
Abstract
Asthma demonstrates a strong circadian rhythm with disrupted molecular clock. Melatonin which can directly regulate circadian rhythm has been reported to alleviate asthma, but whether this effect is related to its regulation on circadian clock has not yet been known. Here, female C57BL/6 mice were challenged with ovalbumin (OVA) to establish allergic airway inflammation, and were treated with melatonin or Luzindole to investigate whether the expressions of circadian clock proteins were changed in response to OVA and were affected by exogenous/endogenous melatonin. Airway inflammation, mucus secretion, protein expressions of circadian proteins (Bmal1, Per1, Clock, Timeless, Cry1 and Cry2), melatonin biosynthetase (ASMT, AANAT) and melatonin receptor (Mel-1A/B-R) were analyzed accordingly. The results showed that in the successfully established allergic airway inflammation model, inflammatory cells infiltration, expressions of circadian clock proteins in the lung tissues of OVA-challenged mice were all notably up-regulated as compared to that of the vehicle mice. Meanwhile, the protein expression of ASMT and the level of melatonin in the lung tissues were reduced in allergic mice, while the expression of melatonin receptor Mel-1A/B-R was markedly increased. After addition of exogenous melatonin, the OVA-induced airway inflammation was pronouncedly ameliorated, while simultaneously the OVA-induced expressions of Per1 and Clock were further increased. However, a melatonin receptor antagonist Luzindole further augmented the OVA-induced airway inflammation, accompanied with remarkably decreased expressions of Per1, Bmal1, Cry1 and Cry2 but notably increased expression of Timeless. Collectively, our results demonstrated that the expression of circadian clock proteins was increased in the lungs during allergic airway inflammation, and Per1 was a clock protein that can be regulated by both exogenous and endogenous melatonin, suggesting Per1 may be an important potential circadian clock target for melatonin as a negative regulatory factor against Th2-type airway inflammation.
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Affiliation(s)
- Si-Nuo Guo
- Anhui Geriatric Institute, Department of Geriatric Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
- Key Laboratory of Respiratory Disease research and Medical Transformation of Anhui Province, Hefei, 230022, China
| | - Xu-Qin Jiang
- Key Laboratory of Respiratory Disease research and Medical Transformation of Anhui Province, Hefei, 230022, China
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Ning Chen
- Anhui Geriatric Institute, Department of Geriatric Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
- Key Laboratory of Respiratory Disease research and Medical Transformation of Anhui Province, Hefei, 230022, China
| | - Si-Ming Song
- Anhui Geriatric Institute, Department of Geriatric Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
- Key Laboratory of Respiratory Disease research and Medical Transformation of Anhui Province, Hefei, 230022, China
| | - Yu Fang
- Anhui Geriatric Institute, Department of Geriatric Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
- Key Laboratory of Respiratory Disease research and Medical Transformation of Anhui Province, Hefei, 230022, China
| | - Qiu-Meng Xie
- Key Laboratory of Respiratory Disease research and Medical Transformation of Anhui Province, Hefei, 230022, China
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
| | - Guang-He Fei
- Key Laboratory of Respiratory Disease research and Medical Transformation of Anhui Province, Hefei, 230022, China
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
| | - Hui-Mei Wu
- Anhui Geriatric Institute, Department of Geriatric Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
- Key Laboratory of Respiratory Disease research and Medical Transformation of Anhui Province, Hefei, 230022, China
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He L, Zhang R, Yang M, Lu M. The role of astrocyte in neuroinflammation in traumatic brain injury. Biochim Biophys Acta Mol Basis Dis 2024; 1870:166992. [PMID: 38128844 DOI: 10.1016/j.bbadis.2023.166992] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/30/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
Traumatic brain injury (TBI), a significant contributor to mortality and morbidity worldwide, is a devastating condition characterized by initial mechanical damage followed by subsequent biochemical processes, including neuroinflammation. Astrocytes, the predominant glial cells in the central nervous system, play a vital role in maintaining brain homeostasis and supporting neuronal function. Nevertheless, in response to TBI, astrocytes undergo substantial phenotypic alternations and actively contribute to the neuroinflammatory response. This article explores the multifaceted involvement of astrocytes in neuroinflammation subsequent to TBI, with a particular emphasis on their activation, release of inflammatory mediators, modulation of the blood-brain barrier, and interactions with other immune cells. A comprehensive understanding the dynamic interplay between astrocytes and neuroinflammation in the condition of TBI can provide valuable insights into the development of innovative therapeutic approaches aimed at mitigating secondary damage and fostering neuroregeneration.
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Affiliation(s)
- Liang He
- Department of Anesthesiology, Yan'an Hospital of Kunming City, Kunming 650051, China.
| | - Ruqiang Zhang
- Department of Anesthesiology, Yan'an Hospital of Kunming City, Kunming 650051, China
| | - Maiqiao Yang
- Department of Anesthesiology, Yan'an Hospital of Kunming City, Kunming 650051, China
| | - Meilin Lu
- Department of Anesthesiology, First Affiliated Hospital of Kunming Medical University, Kunming 650032, China.
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Khassafi N, Azami Tameh A, Mirzaei H, Rafat A, Barati S, Khassafi N, Vahidinia Z. Crosstalk between Nrf2 signaling pathway and inflammation in ischemic stroke: Mechanisms of action and therapeutic implications. Exp Neurol 2024; 373:114655. [PMID: 38110142 DOI: 10.1016/j.expneurol.2023.114655] [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: 09/14/2023] [Revised: 12/03/2023] [Accepted: 12/12/2023] [Indexed: 12/20/2023]
Abstract
One of the major causes of long-term disability and mortality is ischemic stroke that enjoys limited treatment approaches. On the one hand, oxidative stress, induced by excessive generation of reactive oxygen species (ROS), plays a critical role in post-stroke inflammatory response. Increased ROS generation is one of the basic factors in the progression of stroke-induced neuroinflammation. Moreover, intravenous (IV) thrombolysis using recombinant tissue plasminogen activator (rtPA) as the only medication approved for patients with acute ischemic stroke who suffer from some clinical restrictions it could not cover the complicated episodes that happen after stroke. Thus, identifying novel therapeutic targets is crucial for successful preparation of new medicines. Recent evidence indicates that the transcription factor Nuclear factor erythroid 2-related factor 2 (Nrf2) contributes significantly to regulating the antioxidant production in cytosol, which causes antiinflammatory effects on neurons. New findings have shown a relationship between activation of the Nrf2 and glial cells, nuclear factor kappa B (NF-κB) pathway, the nucleotide-binding domain (NOD)-like receptor family pyrin domain containing 3 (NLRP3) inflammasome signaling, and expression of inflammatory markers, suggesting induction of Nrf2 activation can represent a promising therapeutic alternative as the modulators of Nrf2 dependent pathways for targeting inflammatory responses in neural tissue. Hence, this review addresses the relationship of Nrf2 signaling with inflammation and Nrf2 activators' potential as therapeutic agents. This review helps to improve required knowledge for focused therapy and the creation of modern and improved treatment choices for patients with ischemic stroke.
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Affiliation(s)
- Negar Khassafi
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Abolfazl Azami Tameh
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Ali Rafat
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Shirin Barati
- Department of Anatomy, Saveh University of Medical Sciences, Saveh, Iran
| | - Negin Khassafi
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Zeinab Vahidinia
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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20
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Thapak P, Ying Z, Palafox-Sanchez V, Zhang G, Yang X, Gomez-Pinilla F. Humanin ameliorates TBI-related cognitive impairment by attenuating mitochondrial dysfunction and inflammation. Biochim Biophys Acta Mol Basis Dis 2024; 1870:166937. [PMID: 37926362 DOI: 10.1016/j.bbadis.2023.166937] [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: 05/26/2023] [Revised: 09/27/2023] [Accepted: 10/28/2023] [Indexed: 11/07/2023]
Abstract
Traumatic brain injury (TBI) often results in a reduction of the capacity of cells to sustain energy demands, thus, compromising neuronal function and plasticity. Here we show that the mitochondrial activator humanin (HN) counteracts a TBI-related reduction in mitochondrial bioenergetics, including oxygen consumption rate. HN normalized the disruptive action of TBI on memory function, and restored levels of synaptic proteins (synapsin 1 and p-CREB). HN also counteracted TBI-related elevations of pro-inflammatory cytokines in plasma (TNF-α, INF-y, IL 17, IL 5, MCP 5, GCSF, RANNETS, sTNFRI) as well as in the hippocampus (gp-130 and p-STAT3). Gp-130 is an integral part of cytokine receptor impinging on STAT3 (Tyr-705) signaling. Furthermore, HN reduced astrocyte proliferation in TBI. The overall evidence suggests that HN plays an integral role in normalizing fundamental aspects of TBI pathology which are central to energy balance, brain function, and plasticity.
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Affiliation(s)
- Pavan Thapak
- Depts. of Neurosurgery and Integrative Biology and Physiology, UCLA BIRC, University of California, Los Angeles 90064, USA
| | - Zhe Ying
- Depts. of Neurosurgery and Integrative Biology and Physiology, UCLA BIRC, University of California, Los Angeles 90064, USA
| | - Victoria Palafox-Sanchez
- Depts. of Neurosurgery and Integrative Biology and Physiology, UCLA BIRC, University of California, Los Angeles 90064, USA
| | - Guanglin Zhang
- Depts. of Neurosurgery and Integrative Biology and Physiology, UCLA BIRC, University of California, Los Angeles 90064, USA
| | - Xia Yang
- Depts. of Neurosurgery and Integrative Biology and Physiology, UCLA BIRC, University of California, Los Angeles 90064, USA
| | - Fernando Gomez-Pinilla
- Depts. of Neurosurgery and Integrative Biology and Physiology, UCLA BIRC, University of California, Los Angeles 90064, USA.
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21
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Zhi X, Lu H, Ma D, Liu J, Luo L, Wang L, Qin Y. Melatonin protects photoreceptor cells against ferroptosis in dry AMD disorder by inhibiting GSK-3B/Fyn-dependent Nrf2 nuclear translocation. Biochim Biophys Acta Mol Basis Dis 2024; 1870:166969. [PMID: 38008231 DOI: 10.1016/j.bbadis.2023.166969] [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: 03/21/2023] [Revised: 11/02/2023] [Accepted: 11/20/2023] [Indexed: 11/28/2023]
Abstract
BACKGROUND Ferroptosis is a type of non-apoptotic cell death that relies on iron ions and reactive oxygen species to induce lipid peroxidation. This study aimed to determine whether ferroptosis exists in the pathogenesis of dry age-related macular degeneration (AMD) and to confirm that melatonin (MLT) suppresses the photoreceptor cell ferroptosis signaling pathway. METHODS We exposed 661W cells to sodium iodate (NaIO3) in vitro and treated them with different concentrations of MLT. In vivo, C57BL/6 mice were given a single caudal vein injection of NaIO3, followed by an intraperitoneal injection of MLT, and eyeballs were taken for subsequent trials. RESULTS We found that NaIO3 could induce photoreceptor cell death and lipid peroxide accumulation, and result in changes in the expression of ferroptosis-related factors and iron maintenance proteins, which were treated by MLT. We further demonstrated that MLT can block Fyn-dependent Nrf2 nuclear translocation by suppressing the GSK-3β signaling pathway. In addition, the therapeutic effect of MLT was significantly inhibited when Nrf2 was silenced. CONCLUSIONS Our findings provide a novel insight that NaIO3 induces photoreceptor cell ferroptosis in dry AMD and suggest that MLT has therapeutic effects by suppressing GSK-3β/Fyn-dependent Nrf2 nuclear translocation.
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Affiliation(s)
- Xinyu Zhi
- Department of Ophthalmology, the Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China
| | - Haojie Lu
- Cooperation of Chinese and Western medicine branch, Jiangsu Rongjun Hospital, Wuxi, Jiangsu, PR China
| | - Dongyue Ma
- Department of Ophthalmology, the Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China
| | - Jinxia Liu
- Department of Ophthalmology, the Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China
| | - Li Luo
- Department of Ophthalmology, the Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China
| | - Ludi Wang
- Department of Ophthalmology, the Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China
| | - Yu Qin
- Department of Ophthalmology, the Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China.
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22
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Zhu L, Li Z, Sheng L, Zhang F, Ji W. Ginkgolide A attenuated apoptosis via inhibition of oxidative stress in mice with traumatic brain injury. Heliyon 2024; 10:e24759. [PMID: 38304806 PMCID: PMC10830544 DOI: 10.1016/j.heliyon.2024.e24759] [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: 09/26/2023] [Revised: 12/16/2023] [Accepted: 01/12/2024] [Indexed: 02/03/2024] Open
Abstract
Traumatic brain injury (TBI) is the main cause of death among young adults and the main cause of mortality and disability for all ages groups worldwide. Ginkgolides terpenoid compounds unique to Ginkgo biloba, which have protective effects on cardiovascular and cerebrovascular diseases. The aim of this study is to investigate whether ginkgolide A (GA) can improve TBI in mice and whether it can alleviate cell apoptosis in the brain of TBI mice by reducing oxidative stress. Mice received TBI and GA administration for 7 days. Neurological deficits were monitored and brain tissues were examined for molecular pathological markers. TBI mice had more severer neurobehavioral deficits compared with sham group, which could be improved by administration of GA. GA administration improveed Modified Neurological Severity Scale (mNSS) scores, Grid-Walking test and Rotarod test of TBI mice. The apoptosis increased in TBI mice, and reduced after GA treatment. The biomarkers of oxidative stress 8-OHdG and malondialdehyde (MDA) in the brain of TBI mice increased, while SOD reduced. These changes were reversed after GA administration. These outcomes showed that GA could raise neurobehavioral deficiency of TBI mice. GA treatment could attenuate apoptosis in TBI mice by reducing oxidative stress.
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Affiliation(s)
- Lei Zhu
- Department of Respiratory Disease, Children's Hospital of Soochow University, Suzhou, China
- Department of Intensive Care Unit, Xuzhou Children's Hospital, Xuzhou, China
| | - Zhengwei Li
- Department of Neurosurgery, Xuzhou Children's Hospital, Xuzhou, China
| | - Liping Sheng
- Department of Intensive Care Unit, Xuzhou Children's Hospital, Xuzhou, China
| | - Fengfei Zhang
- Department of Neurosurgery, Xuzhou Children's Hospital, Xuzhou, China
| | - Wei Ji
- Department of Respiratory Disease, Children's Hospital of Soochow University, Suzhou, China
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23
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Yan L, Han X, Zhang M, Kou H, Liu H, Cheng T. Melatonin exerts neuroprotective effects in mice with spinal cord injury by activating the Nrf2/Keap1 signaling pathway via the MT2 receptor. Exp Ther Med 2024; 27:37. [PMID: 38125360 PMCID: PMC10731399 DOI: 10.3892/etm.2023.12325] [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: 06/29/2023] [Accepted: 09/21/2023] [Indexed: 12/23/2023] Open
Abstract
Spinal cord injury (SCI) is a devastating event that often leads to severe disability, and effective treatments for SCI are currently limited. The present study investigated the potential effects and specific mechanisms of melatonin treatment in SCI. Mice were divided into Sham (Sham), Vehicle (Veh), Melatonin (Mel), and Melatonin + 4-phenyl-2-propionamidotetralin (4P-PDOT) (Mel + 4PP) groups based on randomized allocation. The expression of MT2 and the nuclear factor-erythroid 2-related factor 2 (Nrf2)/Keap1 signaling pathways were examined, along with oxidative stress indicators, inflammatory factors and GFAP-positive cells near the injury site. The polarization of microglial cells in different inflammatory microenvironments was also observed. Cell survival, motor function recovery and spinal cord tissue morphology were assessed using staining and Basso Mouse Scale scores. On day 7 after SCI, the results revealed that melatonin treatment increased MT2 protein expression and activated the Nrf2/Keap1 signaling pathway. It also reduced GFAP-positive cells, mitigated oxidative stress, and suppressed inflammatory responses around the injury site. Furthermore, melatonin treatment promoted the polarization of microglia toward the M2 type, increased the number of neutrophil-positive cells, and modulated the transcription of Bax and Bcl2 in the injured spinal cord. Melatonin treatment alleviated the severity of spinal injuries and facilitated functional recovery in mice with SCI. Notably, blocking MT2 with 4P-PDOT partially reversed the neuroprotective effects of melatonin in SCI, indicating that the activation of the MT2/Nrf2/Keap1 signaling pathway contributes to the neuroprotective properties of melatonin in SCI. The therapeutic and translational potentials of melatonin in SCI warrant further investigation.
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Affiliation(s)
- Liyan Yan
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Xiaonan Han
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Mingkang Zhang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Hongwei Kou
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Hongjian Liu
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Tian Cheng
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
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24
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Zhang X, Dai Y, Ma F, Ma Y, Wang J, Li X, Qin W. Effect of electroacupuncture on global cerebral ischemia-reperfusion injury in rats: A urine proteome analysis. Brain Behav 2024; 14:e3382. [PMID: 38376040 PMCID: PMC10772847 DOI: 10.1002/brb3.3382] [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: 08/06/2023] [Accepted: 12/20/2023] [Indexed: 02/21/2024] Open
Abstract
BACKGROUND This study aimed to investigate dynamic urinary proteome changes of electroacupuncture (EP) on cerebral ischemia-reperfusion (CI/R) injured rats and to explore the therapeutic biological mechanisms of EP. METHODS First, changed urinary proteins were found in EP stimulation in healthy rats. Then, we used a CI/R injury rat model induced by Pulsinelli's four-vessel occlusion (4-VO) method to explore the function of EP on urinary proteome in CI/R injury. Urine samples were collected for proteome analysis by liquid chromatography-tandem mass spectrometry (LC-MS/MS) and bioinformatics analysis. RESULTS In total, 384 proteins were identified, among which 47 proteins (23 upregulated, 24 downregulated) were differentially expressed with 0.6-log FC and p < .05. Gene ontology analysis revealed that the cell redox homeostasis, acute-phase response, response to lipopolysaccharide, and cellular response to glucocorticoid stimulus were significantly enriched. The partially biologically connected differential proteins were found by the Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis in the EP group. With the CI/R rat model, 80 proteins (27 upregulated, 53 downregulated) were significantly changed in the CI/R rats compared to the controls. Among these differentially expressed proteins (DEPs), 23 proteins (17 upregulated, six downregulated) showed significant changes after EP treatment (0.6-log FC change, p < .05). The main related biological processes were aging, immune response, acute-phase response, liver regeneration, protein catabolic process, and response to oxidative stress. Many metabolic pathways were enriched by KEGG analysis. CONCLUSION Our results indicate that the EP could alleviate cerebral damage induced by ischemia-reperfusion through an anti-inflammatory and metabolism regulation mechanism. The urinary proteome might reflect the pathophysiological changes in EP pretreatment in the treatment and prevention of CI/R injury.
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Affiliation(s)
- Xiao Zhang
- Department of AnesthesiologyQingdao HospitalUniversity of Health and Rehabilitation Sciences (Qingdao Municipal Hospital)QingdaoChina
| | - Yuting Dai
- Department of AnesthesiologyQingdao HospitalUniversity of Health and Rehabilitation Sciences (Qingdao Municipal Hospital)QingdaoChina
| | - Fuguo Ma
- Department of AnesthesiologyQingdao HospitalUniversity of Health and Rehabilitation Sciences (Qingdao Municipal Hospital)QingdaoChina
| | - Yuan Ma
- Department of AnesthesiologyQingdao HospitalUniversity of Health and Rehabilitation Sciences (Qingdao Municipal Hospital)QingdaoChina
| | - Jiajia Wang
- Department of AnesthesiologyQingdao HospitalUniversity of Health and Rehabilitation Sciences (Qingdao Municipal Hospital)QingdaoChina
| | - Xiaoxia Li
- Department of Genetics and Cell Biology, Basic Medical CollegeQingdao UniversityQingdaoChina
| | - Weiwei Qin
- Department of AnesthesiologyQingdao HospitalUniversity of Health and Rehabilitation Sciences (Qingdao Municipal Hospital)QingdaoChina
- Department of Genetics and Cell Biology, Basic Medical CollegeQingdao UniversityQingdaoChina
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25
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Park JH, Hwang Y, Nguyen YND, Kim HC, Shin EJ. Ramelteon attenuates hippocampal neuronal loss and memory impairment following kainate-induced seizures. J Pineal Res 2024; 76:e12921. [PMID: 37846173 DOI: 10.1111/jpi.12921] [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: 04/27/2023] [Revised: 09/18/2023] [Accepted: 09/26/2023] [Indexed: 10/18/2023]
Abstract
Evidence suggests that the neuroprotective effects of melatonin involve both receptor-dependent and -independent actions. However, little is known about the effects of melatonin receptor activation on the kainate (KA) neurotoxicity. This study examined the effects of repeated post-KA treatment with ramelteon, a selective agonist of melatonin receptors, on neuronal loss, cognitive impairment, and depression-like behaviors following KA-induced seizures. The expression of melatonin receptors decreased in neurons, whereas it was induced in astrocytes 3 and 7 days after seizures elicited by KA (0.12 μg/μL) in the hippocampus of mice. Ramelteon (3 or 10 mg/kg, i.p.) and melatonin (10 mg/kg, i.p.) mitigated KA-induced oxidative stress and impairment of glutathione homeostasis and promoted the nuclear translocation and DNA binding activity of Nrf2 in the hippocampus after KA treatment. Ramelteon and melatonin also attenuated microglial activation but did not significantly affect astroglial activation induced by KA, despite the astroglial induction of melatonin receptors after KA treatment. However, ramelteon attenuated KA-induced proinflammatory phenotypic changes in astrocytes. Considering the reciprocal regulation of astroglial and microglial activation, these results suggest ramelteon inhibits microglial activation by regulating astrocyte phenotypic changes. These effects were accompanied by the attenuation of the nuclear translocation and DNA binding activity of nuclear factor κB (NFκB) induced by KA. Consequently, ramelteon attenuated the KA-induced hippocampal neuronal loss, memory impairment, and depression-like behaviors; the effects were comparable to those of melatonin. These results suggest that ramelteon-mediated activation of melatonin receptors provides neuroprotection against KA-induced neurotoxicity in the mouse hippocampus by activating Nrf2 signaling to attenuate oxidative stress and restore glutathione homeostasis and by inhibiting NFκB signaling to attenuate neuroinflammatory changes.
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Affiliation(s)
- Jung Hoon Park
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chuncheon, Republic of Korea
| | - Yeonggwang Hwang
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chuncheon, Republic of Korea
| | - Yen Nhi Doan Nguyen
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chuncheon, Republic of Korea
| | - Hyoung-Chun Kim
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chuncheon, Republic of Korea
| | - Eun-Joo Shin
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chuncheon, Republic of Korea
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26
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Zhang X, Peng B, Zhang S, Wang J, Yuan X, Peled S, Chen W, Ding J, Li W, Zhang A, Wu Q, Stavrovskaya IG, Luo C, Sinha B, Tu Y, Yuan X, Li M, Liu S, Fu J, Aziz-Sultan A, Kristal BS, Alterovitz G, Du R, Zhou S, Wang X. The MT1 receptor as the target of ramelteon neuroprotection in ischemic stroke. J Pineal Res 2024; 76:e12925. [PMID: 37986632 PMCID: PMC10872556 DOI: 10.1111/jpi.12925] [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: 04/04/2023] [Revised: 10/31/2023] [Accepted: 11/02/2023] [Indexed: 11/22/2023]
Abstract
Stroke is the leading cause of death and disability worldwide. Novel and effective therapies for ischemic stroke are urgently needed. Here, we report that melatonin receptor 1A (MT1) agonist ramelteon is a neuroprotective drug candidate as demonstrated by comprehensive experimental models of ischemic stroke, including a middle cerebral artery occlusion (MCAO) mouse model of cerebral ischemia in vivo, organotypic hippocampal slice cultures ex vivo, and cultured neurons in vitro; the neuroprotective effects of ramelteon are diminished in MT1-knockout (KO) mice and MT1-KO cultured neurons. For the first time, we report that the MT1 receptor is significantly depleted in the brain of MCAO mice, and ramelteon treatment significantly recovers the brain MT1 losses in MCAO mice, which is further explained by the Connectivity Map L1000 bioinformatic analysis that shows gene-expression signatures of MCAO mice are negatively connected to melatonin receptor agonist like Ramelteon. We demonstrate that ramelteon improves the cerebral blood flow signals in ischemic stroke that is potentially mediated, at least, partly by mechanisms of activating endothelial nitric oxide synthase. Our results also show that the neuroprotection of ramelteon counteracts reactive oxygen species-induced oxidative stress and activates the nuclear factor erythroid 2-related factor 2/heme oxygenase-1 pathway. Ramelteon inhibits the mitochondrial and autophagic death pathways in MCAO mice and cultured neurons, consistent with gene set enrichment analysis from a bioinformatics perspective angle. Our data suggest that Ramelteon is a potential neuroprotective drug candidate, and MT1 is the neuroprotective target for ischemic stroke, which provides new insights into stroke therapy. MT1-KO mice and cultured neurons may provide animal and cellular models of accelerated ischemic damage and neuronal cell death.
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Affiliation(s)
- Xinmu Zhang
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
- Department of Biopharmaceutical Sciences, College of Pharmacy, Jilin University, Changchun, Jilin, China
| | - Bin Peng
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Shenqi Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Jian Wang
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Xiong Yuan
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
- Department of Orthopedic Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Sharon Peled
- Department of Radiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Wu Chen
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
- Department of Clinical Laboratory, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Jinyin Ding
- Department of Radiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Wei Li
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Andrew Zhang
- Biomedical Cybernetics Laboratory, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Qiaofeng Wu
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Irina G. Stavrovskaya
- Department of Medicine, Division of Sleep and Circadian Disorders, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Research Foundation of The City University of New York, New York, NY, USA
| | - Chengliang Luo
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Bharati Sinha
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Yanyang Tu
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Xiaojing Yuan
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Mingchang Li
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Shuqing Liu
- Acupuncture and Moxibustion College, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jianfang Fu
- Department of Endocrinology, Xijing Hospital, Xi'an, Shaanxi, China
- The Joslin Beth Israel Deaconess Foot Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Ali Aziz-Sultan
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Bruce S. Kristal
- Department of Medicine, Division of Sleep and Circadian Disorders, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts, USA
| | - Gil Alterovitz
- Biomedical Cybernetics Laboratory, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Rose Du
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Shuanhu Zhou
- Department of Orthopedic Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Xin Wang
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
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27
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Nie L, He J, Wang J, Wang R, Huang L, Jia L, Kim YT, Bhawal UK, Fan X, Zille M, Jiang C, Chen X, Wang J. Environmental Enrichment for Stroke and Traumatic Brain Injury: Mechanisms and Translational Implications. Compr Physiol 2023; 14:5291-5323. [PMID: 38158368 DOI: 10.1002/cphy.c230007] [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: 01/03/2024]
Abstract
Acquired brain injuries, such as ischemic stroke, intracerebral hemorrhage (ICH), and traumatic brain injury (TBI), can cause severe neurologic damage and even death. Unfortunately, currently, there are no effective and safe treatments to reduce the high disability and mortality rates associated with these brain injuries. However, environmental enrichment (EE) is an emerging approach to treating and rehabilitating acquired brain injuries by promoting motor, sensory, and social stimulation. Multiple preclinical studies have shown that EE benefits functional recovery, including improved motor and cognitive function and psychological benefits mediated by complex protective signaling pathways. This article provides an overview of the enriched environment protocols used in animal models of ischemic stroke, ICH, and TBI, as well as relevant clinical studies, with a particular focus on ischemic stroke. Additionally, we explored studies of animals with stroke and TBI exposed to EE alone or in combination with multiple drugs and other rehabilitation modalities. Finally, we discuss the potential clinical applications of EE in future brain rehabilitation therapy and the molecular and cellular changes caused by EE in rodents with stroke or TBI. This article aims to advance preclinical and clinical research on EE rehabilitation therapy for acquired brain injury. © 2024 American Physiological Society. Compr Physiol 14:5291-5323, 2024.
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Affiliation(s)
- Luwei Nie
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinxin He
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Key Laboratory for Brain Science Research and Transformation in the Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Ruike Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Leo Huang
- Department of Psychology, University of Toronto, Toronto, Ontario, Canada
| | - Lin Jia
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yun Tai Kim
- Division of Functional Food Research, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
- Department of Food Biotechnology, Korea University of Science & Technology, Daejeon, Republic of Korea
| | - Ujjal K Bhawal
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Chiba, Japan
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
| | - Xiaochong Fan
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Marietta Zille
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Vienna, Austria
| | - Chao Jiang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Xuemei Chen
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jian Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
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Chang XQ, Xu L, Zuo YX, Liu YG, Li J, Chi HT. Emerging trends and hotspots of Nuclear factor erythroid 2-related factor 2 in nervous system diseases. World J Clin Cases 2023; 11:7833-7851. [DOI: 10.12998/wjcc.v11.i32.7833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/04/2023] [Accepted: 10/30/2023] [Indexed: 11/16/2023] Open
Abstract
BACKGROUND The Nuclear factor erythroid 2-related factor 2 (NRF2) transcription factor has attracted much attention in the context of neurological diseases. However, none of the studies have systematically clarified this field's research hotspots and evolution rules.
AIM To investigate the research hotspots, evolution patterns, and future research trends in this field in recent years.
METHODS We conducted a comprehensive literature search in the Web of Science Core Collection database using the following methods: (((((TS=(NFE2 L2)) OR TS=(Nfe2 L2 protein, mouse)) OR TS=(NF-E2-Related Factor 2)) OR TS=(NRF2)) OR TS=(NFE2L2)) OR TS=(Nuclear factor erythroid2-related factor 2) AND (((((((TS=(neurological diseases)) OR TS=(neurological disorder)) OR TS=(brain disorder)) OR TS=(brain injury)) OR TS=(central nervous system disease)) OR TS=(CNS disease)) OR TS=(central nervous system disorder)) OR TS=(CNS disorder) AND Language = English from 2010 to 2022. There are just two forms of literature available: Articles and reviews. Data were processed with the software Cite-Space (version 6.1. R6).
RESULTS We analyzed 1884 articles from 200 schools in 72 countries/regions. Since 2015, the number of publications in this field has increased rapidly. China has the largest number of publications, but the articles published in the United States have better centrality and H-index. Among the top ten authors with the most published papers, five of them are from China, and the author with the most published papers is Wang Handong. The institution with the most articles was Nanjing University. To their credit, three of the top 10 most cited articles were written by Chinese scholars. The keyword co-occurrence map showed that "oxidative stress", "NRF2", "activation", "expression" and "brain" were the five most frequently used keywords.
CONCLUSION Research on the role of NRF2 in neurological diseases continues unabated. Researchers in developed countries published more influential papers, while Chinese scholars provided the largest number of articles. There have been numerous studies on the mechanism of NRF2 transcription factor in neurological diseases. NRF2 is also emerging as a potentially effective target for the treatment of neurological diseases. However, despite decades of research, our knowledge of NRF2 transcription factor in nervous system diseases is still limited. Further studies are needed in the future.
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Affiliation(s)
- Xue-Qin Chang
- Department of Neurology, Xinhua Hospital Affiliated with Dalian University, Dalian 116011, Liaoning Province, China
| | - Ling Xu
- Department of Neurology, Xinhua Hospital Affiliated with Dalian University, Dalian 116011, Liaoning Province, China
| | - Yi-Xuan Zuo
- Department of Neurology, Xinhua Hospital Affiliated with Dalian University, Dalian 116011, Liaoning Province, China
| | - Yi-Guo Liu
- Department of Neurology, Xinhua Hospital Affiliated with Dalian University, Dalian 116011, Liaoning Province, China
| | - Jia Li
- Department of Neurology, Xinhua Hospital Affiliated with Dalian University, Dalian 116011, Liaoning Province, China
| | - Hai-Tao Chi
- Department of Neurology, Xinhua Hospital Affiliated with Dalian University, Dalian 116011, Liaoning Province, China
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Zhou M, Xin J, Chen J, Sun C, Huo B, Zhang W, Liu X. Scientific Landscape of Oxidative Stress in Stroke: From a Bibliometric Analysis to an in-Depth Review. Neurochem Res 2023; 48:3327-3348. [PMID: 37505366 DOI: 10.1007/s11064-023-03999-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 07/16/2023] [Accepted: 07/18/2023] [Indexed: 07/29/2023]
Abstract
Stroke is an acute cerebrovascular disease resulting from either obstruction or rupture of a blood vessel in the brain. Oxidative stress (OS), referred to a status where cellular oxidative capacities overwhelm antioxidative defenses, is involved in the pathophysiology of stroke. The bibliometric analysis and in-depth review aim to depict the research trend of OS in stroke. Relevant scientific publications were acquired from the Web of Science Core Collection database. Scientific landscape of OS in stroke was illustrated by general quantitative trend, impactful journals, and co-authorship of various academic units (i.e., countries/regions, organizations, and authors). Furthermore, theme analysis predicting the hot research issues and frontiers was performed. 15,826 documents regarding OS in stroke were obtained over a time span of more than 20 years from 1992 to 2021. The overall tendency of publication counts was continuously on the rise. Bibliometric analysis indicated China and the United States were predominant in this study field, as reflected by their high publication counts and intensive collaboration with other countries. Current key research areas of OS in stroke may lie in the investigation of neuroinflammation, and interaction among multiple cell death mechanisms including apoptosis, autophagy, and ferroptosis to search for effective treatments. Moreover, another hot topic could be the association between air pollution and stroke, and its underlying mechanisms. As the exploration of OS in stroke is speculated to be a continuous hot spot in the future, this article may be helpful for researchers to conduct future studies with the understanding of influential academic forces and research highlights.
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Affiliation(s)
- Minqi Zhou
- Department of Histology and Embryology, School of Basic Medical Sciences, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hang Kong Road, Wuhan, 430030, China
| | - Jiayu Xin
- Department of Histology and Embryology, School of Basic Medical Sciences, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hang Kong Road, Wuhan, 430030, China
| | - Jinyu Chen
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Caiyun Sun
- Brain Science and Advanced Technology Institute, School of Medicine, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Bingyue Huo
- Department of Histology and Embryology, School of Basic Medical Sciences, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hang Kong Road, Wuhan, 430030, China
| | - Wenting Zhang
- Department of Histology and Embryology, School of Basic Medical Sciences, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hang Kong Road, Wuhan, 430030, China
| | - Xiangqian Liu
- Department of Histology and Embryology, School of Basic Medical Sciences, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hang Kong Road, Wuhan, 430030, China.
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Araújo ADO, Figueira-de-Oliveira ML, Noya AGAFDC, Oliveira E Silva VP, de Carvalho JM, Vieira Filho LD, Guedes RCA. Effect of neonatal melatonin administration on behavioral and brain electrophysiological and redox imbalance in rats. Front Neurosci 2023; 17:1269609. [PMID: 37901423 PMCID: PMC10603194 DOI: 10.3389/fnins.2023.1269609] [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: 07/30/2023] [Accepted: 09/18/2023] [Indexed: 10/31/2023] Open
Abstract
Introduction Melatonin (MLT) reportedly has beneficial effects in neurological disorders involving brain excitability (e.g., Epilepsy and Migraine) and behavioral patterns (e.g., Anxiety and Depression). This study was performed to investigate, in the developing rat brain, the effect of early-in-life administration of two different doses of exogenous MLT on behavioral (anxiety and memory) and electrophysiological (CSD analysis) aspects of brain function. Additionally, brain levels of malondialdehyde (MDA) and superoxide dismutase (SOD), both cellular indicators of redox balance status, were evaluated. We hypothesize that MLT differentially affects the behavioral and CSD parameters as a function of the MLT dose. Materials and methods Male Wistar rats received, from the 7th to the 27th postnatal day (PND), on alternate days, vehicle solution, or 10 mg/kg/or 40 mg/kg MLT (MLT-10 and MLT-40 groups), or no treatment (intact group). To perform behavioral and cognition analysis, from PND30 to PND32, they were tested in the open field apparatus, first for anxiety (PND30) and then for object recognition memory tasks: spatial position recognition (PND31) and shape recognition (PND32). On PND34, they were tested in the elevated plus maze. From PND36 to 42, the excitability-related phenomenon known as cortical spreading depression (CSD) was recorded, and its features were analyzed. Results Treatment with MLT did not change the animals' body weight or blood glucose levels. The MLT-10 treatment, but not the MLT-40 treatment, was associated with behaviors that suggest less anxiety and improved memory. MLT-10 and MLT-40 treatments, respectively, decelerated and accelerated CSD propagation (speed of 2.86 ± 0.14 mm/min and 3.96 ± 0.16 mm/min), compared with the control groups (3.3 ± 0.10 mm/min and 3.25 ± 0.11 mm/min, for the intact and vehicle groups, respectively; p < 0.01). Cerebral cortex levels of malondialdehyde and superoxide dismutase were, respectively, lower and higher in the MLT-10 group but not in the MLT40 group. Conclusion Our findings suggest that MLT intraperitoneal administration during brain development may differentially act as an antioxidant agent when administered at a low dose but not at a high dose, according to behavioral, electrophysiological, and biochemical parameters.
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Affiliation(s)
- Amanda de Oliveira Araújo
- Department of Physiology and Pharmacology, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | | | | | | | | | - Leucio Duarte Vieira Filho
- Department of Physiology and Pharmacology, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
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Carretero VJ, Ramos E, Segura-Chama P, Hernández A, Baraibar AM, Álvarez-Merz I, Muñoz FL, Egea J, Solís JM, Romero A, Hernández-Guijo JM. Non-Excitatory Amino Acids, Melatonin, and Free Radicals: Examining the Role in Stroke and Aging. Antioxidants (Basel) 2023; 12:1844. [PMID: 37891922 PMCID: PMC10603966 DOI: 10.3390/antiox12101844] [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: 09/05/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 10/29/2023] Open
Abstract
The aim of this review is to explore the relationship between melatonin, free radicals, and non-excitatory amino acids, and their role in stroke and aging. Melatonin has garnered significant attention in recent years due to its diverse physiological functions and potential therapeutic benefits by reducing oxidative stress, inflammation, and apoptosis. Melatonin has been found to mitigate ischemic brain damage caused by stroke. By scavenging free radicals and reducing oxidative damage, melatonin may help slow down the aging process and protect against age-related cognitive decline. Additionally, non-excitatory amino acids have been shown to possess neuroprotective properties, including antioxidant and anti-inflammatory in stroke and aging-related conditions. They can attenuate oxidative stress, modulate calcium homeostasis, and inhibit apoptosis, thereby safeguarding neurons against damage induced by stroke and aging processes. The intracellular accumulation of certain non-excitatory amino acids could promote harmful effects during hypoxia-ischemia episodes and thus, the blockade of the amino acid transporters involved in the process could be an alternative therapeutic strategy to reduce ischemic damage. On the other hand, the accumulation of free radicals, specifically mitochondrial reactive oxygen and nitrogen species, accelerates cellular senescence and contributes to age-related decline. Recent research suggests a complex interplay between melatonin, free radicals, and non-excitatory amino acids in stroke and aging. The neuroprotective actions of melatonin and non-excitatory amino acids converge on multiple pathways, including the regulation of calcium homeostasis, modulation of apoptosis, and reduction of inflammation. These mechanisms collectively contribute to the preservation of neuronal integrity and functions, making them promising targets for therapeutic interventions in stroke and age-related disorders.
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Affiliation(s)
- Victoria Jiménez Carretero
- Department of Pharmacology and Therapeutic, Teófilo Hernando Institute, Faculty of Medicine, Universidad Autónoma de Madrid, Av. Arzobispo Morcillo 4, 28029 Madrid, Spain
| | - Eva Ramos
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain
| | - Pedro Segura-Chama
- Investigador por México-CONAHCYT, Instituto Nacional de Psiquiatría "Ramón de la Fuente Muñiz", Calzada México-Xochimilco 101, Huipulco, Tlalpan, Mexico City 14370, Mexico
| | - Adan Hernández
- Institute of Neurobiology, Universidad Nacional Autónoma of México, Juriquilla, Santiago de Querétaro 76230, Querétaro, Mexico
| | - Andrés M Baraibar
- Department of Neurosciences, Universidad del País Vasco UPV/EHU, Achucarro Basque Center for Neuroscience, Barrio Sarriena, s/n, 48940 Leioa, Spain
| | - Iris Álvarez-Merz
- Department of Pharmacology and Therapeutic, Teófilo Hernando Institute, Faculty of Medicine, Universidad Autónoma de Madrid, Av. Arzobispo Morcillo 4, 28029 Madrid, Spain
| | - Francisco López Muñoz
- Faculty of Health Sciences, University Camilo José Cela, C/Castillo de Alarcón 49, Villanueva de la Cañada, 28692 Madrid, Spain
- Neuropsychopharmacology Unit, Hospital 12 de Octubre Research Institute (i + 12), Avda. Córdoba, s/n, 28041 Madrid, Spain
| | - Javier Egea
- Molecular Neuroinflammation and Neuronal Plasticity Research Laboratory, Hospital Universitario Santa Cristina, Health Research Institute, Hospital Universitario de la Princesa, 28006 Madrid, Spain
| | - José M Solís
- Neurobiology-Research Service, Hospital Ramón y Cajal, Carretera de Colmenar Viejo, Km. 9, 28029 Madrid, Spain
| | - Alejandro Romero
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain
| | - Jesús M Hernández-Guijo
- Department of Pharmacology and Therapeutic, Teófilo Hernando Institute, Faculty of Medicine, Universidad Autónoma de Madrid, Av. Arzobispo Morcillo 4, 28029 Madrid, Spain
- Ramón y Cajal Institute for Health Research (IRYCIS), Hospital Ramón y Cajal, Carretera de Colmenar Viejo, Km. 9, 28029 Madrid, Spain
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Aydin P, Aksakalli-Magden ZB, Civelek MS, Karabulut-Uzuncakmak S, Mokhtare B, Ozkaraca M, Alper F, Halici Z. The melatonin agonist ramelteon attenuates bleomycin-induced lung fibrosis by suppressing the NLRP3/TGF-Β1/HMGB1 signaling pathway. Adv Med Sci 2023; 68:322-331. [PMID: 37716182 DOI: 10.1016/j.advms.2023.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 03/10/2023] [Accepted: 09/06/2023] [Indexed: 09/18/2023]
Abstract
PURPOSE The possible effects of ramelteon, a melatonin receptor agonist on bleomycin-induced lung fibrosis were analyzed via transforming growth factor β1 (TGF-β1), the high mobility group box 1 (HMGB1) and Nod-like receptor pyrin domain-containing 3 (NLRP3) which are related to the fibrosis process. MATERIALS AND METHODS Bleomycin (0.1 mL of 5 mg/kg) was administered by intratracheal instillation to induce pulmonary fibrosis (PF). Starting 24 h after bleomycin administration, a single dose of ramelteon was administered by oral gavage to the healthy groups, i.e. PF + RM2 (pulmonary fibrosis model with bleomycin + ramelteon at 2 mg/kg) and PF + RM4 (pulmonary fibrosis model with bleomycin + ramelteon at 4 mg/kg) at 2 and 4 mg/kg doses, respectively. Real-time polymerase chain reaction (real-time PCR) analyses, histopathological, and immunohistochemical staining were performed on lung tissues. Lung tomography images of the rats were also examined. RESULTS The levels of TGF-β1, HMGB1, NLRP3, and interleukin 1 beta (IL-1β) mRNA expressions increased as a result of PF and subsequently decreased with both ramelteon doses (p < 0.0001). Both doses of ramelteon partially ameliorated the reduction in the peribronchovascular thickening, ground-glass appearances, and reticulations, and the loss of lung volume. CONCLUSIONS The severity of fibrosis decreased with ramelteon application. These effects of ramelteon may be associated with NLRP3 inflammation cascade.
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Affiliation(s)
- Pelin Aydin
- Department of Pharmacology, Faculty of Medicine, Ataturk University, Erzurum, Turkey.
| | | | - Maide S Civelek
- Department of Pharmacology, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | | | - Behzad Mokhtare
- Department of Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey
| | - Mustafa Ozkaraca
- Department of Pathology, Faculty of Veterinary Medicine, Cumhurıyet University, Sıvas, Turkey
| | - Fatih Alper
- Department of Radiology, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Zekai Halici
- Department of Pharmacology, Faculty of Medicine, Ataturk University, Erzurum, Turkey; Clinical Research, Development and Design Application and Research Center, Atatürk University, Erzurum, Turkey
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Duarte MB, Medeiros BZ, da Silva Lemos I, da Silva GL, Alano CG, Dondossola ER, Torres CA, Effting PS, Rico EP, Streck EL. Melatonin improves behavioral parameters and oxidative stress in zebrafish submitted to a leucine-induced MSUD protocol. Metab Brain Dis 2023; 38:2105-2114. [PMID: 37099078 DOI: 10.1007/s11011-023-01220-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 04/19/2023] [Indexed: 04/27/2023]
Abstract
Maple syrup urine disease (MSUD) is an inherited metabolic disorder caused by a deficiency in branched-chain alpha-ketoacid dehydrogenase complex (BCKAC). The treatment is a standard therapy based on a protein-restricted diet with low branched-chain amino acids (BCAA) content to reduce plasma levels and, consequently, the effects of accumulating their metabolites, mainly in the central nervous system. Although the benefits of dietary therapy for MSUD are undeniable, natural protein restriction may increase the risk of nutritional deficiencies, resulting in a low total antioxidant status that can predispose and contribute to oxidative stress. As MSUD is related to redox and energy imbalance, melatonin can be an important adjuvant treatment. Melatonin directly scavenges the hydroxy radical, peroxyl radical, nitrite anion, and singlet oxygen and indirectly induces antioxidant enzyme production. Therefore, this study assesses the role of melatonin treatment on oxidative stress in brain tissue and behavior parameters of zebrafish (Danio rerio) exposed to two concentrations of leucine-induced MSUD: leucine 2 mM and 5mM; and treated with 100 nM of melatonin. Oxidative stress was assessed through oxidative damage (TBARS, DCF, and sulfhydryl content) and antioxidant enzyme activity (SOD and CAT). Melatonin treatment improved redox imbalance with reduced TBARS levels, increased SOD activity, and normalized CAT activity to baseline. Behavior was analyzed with novel object recognition test. Animals exposed to leucine improved object recognition due to melatonin treatment. With the above, we can suggest that melatonin supplementation can protect neurologic oxidative stress, protecting leucine-induced behavior alterations such as memory impairment.
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Affiliation(s)
- Mariane Bernardo Duarte
- Laboratório de Doenças Neurometabólicas, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, 88806-000, Brasil
| | - Bianca Zampiroli Medeiros
- Laboratório de Doenças Neurometabólicas, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, 88806-000, Brasil
| | - Isabela da Silva Lemos
- Laboratório de Doenças Neurometabólicas, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, 88806-000, Brasil
| | - Guilherme Lodetti da Silva
- Laboratório de Psiquiatria Translacional, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, 88806-000, Brasil
| | - Carolina Giassi Alano
- Laboratório de Psiquiatria Translacional, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, 88806-000, Brasil
| | - Eduardo Ronconi Dondossola
- Laboratório de Psiquiatria Translacional, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, 88806-000, Brasil
| | - Carolina Antunes Torres
- Laboratório de Doenças Neurometabólicas, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, 88806-000, Brasil
| | - Pauline Souza Effting
- Laboratório de Doenças Neurometabólicas, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, 88806-000, Brasil
| | - Eduardo Pacheco Rico
- Laboratório de Psiquiatria Translacional, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, 88806-000, Brasil
| | - Emilio Luiz Streck
- Laboratório de Doenças Neurometabólicas, Programa de Pós-graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, 88806-000, Brasil.
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Wang S, Ren X, Wang J, Peng Q, Niu X, Song C, Li C, Jiang C, Zang W, Zille M, Fan X, Chen X, Wang J. Blocking autofluorescence in brain tissues affected by ischemic stroke, hemorrhagic stroke, or traumatic brain injury. Front Immunol 2023; 14:1168292. [PMID: 37313416 PMCID: PMC10258339 DOI: 10.3389/fimmu.2023.1168292] [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: 02/17/2023] [Accepted: 05/04/2023] [Indexed: 06/15/2023] Open
Abstract
Autofluorescence is frequently observed in animal tissues, interfering with an experimental analysis and leading to inaccurate results. Sudan black B (SBB) is a staining dye widely used in histological studies to eliminate autofluorescence. In this study, our objective was to characterize brain tissue autofluorescence present in three models of acute brain injury, including collagenase-induced intracerebral hemorrhage (ICH), traumatic brain injury (TBI), and middle cerebral artery occlusion, and to establish a simple method to block autofluorescence effectively. Using fluorescence microscopy, we examined autofluorescence in brain sections affected by ICH and TBI. In addition, we optimized a protocol to block autofluorescence with SBB pretreatment and evaluated the reduction in fluorescence intensity. Compared to untreated, pretreatment with SBB reduced brain tissue autofluorescence in the ICH model by 73.68% (FITC), 76.05% (Tx Red), and 71.88% (DAPI), respectively. In the TBI model, the ratio of pretreatment to untreated decreased by 56.85% (FITC), 44.28% (Tx Red), and 46.36% (DAPI), respectively. Furthermore, we tested the applicability of the protocol using immunofluorescence staining or Cyanine-5.5 labeling in the three models. SBB treatment is highly effective and can be applied to immunofluorescence and fluorescence label imaging techniques. SBB pretreatment effectively reduced background fluorescence but did not significantly reduce the specific fluorescence signal and greatly improved the signal-to-noise ratio of fluorescence imaging. In conclusion, the optimized SBB pretreatment protocol blocks brain section autofluorescence of the three acute brain injury models.
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Affiliation(s)
- Shaoshuai Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Xiuhua Ren
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Qinfeng Peng
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Xiaoyu Niu
- Department of Anesthesiology and Perioperative Medicine, Affiliated Cancer Hospital of Zhengzhou University, Henan, China
| | - Chunhua Song
- Department of Epidemiology and Statistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Changsheng Li
- Department of Anesthesiology and Perioperative Medicine, Affiliated Cancer Hospital of Zhengzhou University, Henan, China
| | - Chao Jiang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Henan, China
| | - Weidong Zang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Marietta Zille
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Vienna, Austria
| | - Xiaochong Fan
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xuemei Chen
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Jian Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China
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Qi X, Tang Z, Shao X, Wang Z, Li M, Zhang X, He L, Wang J, Yu X. Ramelteon improves blood-brain barrier of focal cerebral ischemia rats to prevent post-stroke depression via upregulating occludin. Behav Brain Res 2023; 449:114472. [PMID: 37146721 DOI: 10.1016/j.bbr.2023.114472] [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: 11/13/2022] [Revised: 03/13/2023] [Accepted: 03/20/2023] [Indexed: 05/07/2023]
Abstract
Post-stroke depression (PSD) negatively affects the prognosis of post-stroke animals. Ramelteon has neuroprotection for chronic ischemia animals, but the effect and the biological mechanism of it on PSD is still unclear. This study explored the effects of ramelteon with prophylactic administration on blood-brain barrier in rats with middle cerebral artery occlusion (MCAO) and the oxygen-glucose deprivation/reperfusion (OGD/R) bEnd.3 cells and found that ramelteon pretreatment improved the depressive-like behaviors and decreased infarct area in MCAO rats. Also, this study found ramelteon pretreatment improved viability and inhibited permeability in OGD/R cells. In addition, this study found that MCP-1, TNF-α, and IL-1 levels were raised in the MCAO rats and that occludin protein and mRNA levels were decreased in the MCAO and the OGD/R models, while the Egr-1 level was up-regulated. All of these were antagonized by ramelteon pretreatment. In addition, overexpression of Egr-1 could reverse the effect of 100nM ramelteon pretreatment on FITC and occludin levels in OGD/R cells. In short, this study has demonstrated that the protective effect on PSD of ramelteon pretreatment on MCAO rats is related to the development of BBB permeability and that ramelteon regulates occludin to protect the BBB by inhibiting Egr-1.
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Affiliation(s)
- Xuchen Qi
- Department of Neurosurgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ziqi Tang
- Department of Psychology, New York University, New York, The United States
| | - Xian Shao
- Medical Research Center, Shaoxing People's Hospital, Zhejiang University Shaoxing Hospital, Shaoxing, China
| | - Zhaowei Wang
- Department of Neurology, Shaoxing People's Hospital, Zhejiang University Shaoxing Hospital, Shaoxing, China
| | - Mengyun Li
- Medical Research Center, Shaoxing People's Hospital, Zhejiang University Shaoxing Hospital, Shaoxing, China
| | - Xiaobing Zhang
- Department of Neurosurgery, Shaoxing People's Hospital, Zhejiang University Shaoxing Hospital, Shaoxing, China
| | - Lingyan He
- Department of Traditional Chinese Medicine, Shaoxing People's Hospital, Zhejiang University Shaoxing Hospital, Shaoxing, China.
| | - Jianli Wang
- Department of Neurosurgery, Shaoxing People's Hospital, Zhejiang University Shaoxing Hospital, Shaoxing, China.
| | - Xuebin Yu
- Department of Neurosurgery, Shaoxing People's Hospital, Zhejiang University Shaoxing Hospital, Shaoxing, China.
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Jia P, Wang J, Ren X, He J, Wang S, Xing Y, Chen D, Zhang X, Zhou S, Liu X, Yu S, Li Z, Jiang C, Zang W, Chen X, Wang J. An enriched environment improves long-term functional outcomes in mice after intracerebral hemorrhage by mechanisms that involve the Nrf2/BDNF/glutaminase pathway. J Cereb Blood Flow Metab 2023; 43:694-711. [PMID: 36635875 PMCID: PMC10108193 DOI: 10.1177/0271678x221135419] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 09/22/2022] [Accepted: 09/23/2022] [Indexed: 01/14/2023]
Abstract
Post-stroke depression exacerbates neurologic deficits and quality of life. Depression after ischemic stroke is known to some extent. However, depression after intracerebral hemorrhage (ICH) is relatively unknown. Increasing evidence shows that exposure to an enriched environment (EE) after cerebral ischemia/reperfusion injury has neuroprotective effects in animal models, but its impact after ICH is unknown. In this study, we investigated the effect of EE on long-term functional outcomes in mice subjected to collagenase-induced striatal ICH. Mice were subjected to ICH with the standard environment (SE) or ICH with EE for 6 h/day (8:00 am-2:00 pm). Depressive, anxiety-like behaviors and cognitive tests were evaluated on day 28 with the sucrose preference test, tail suspension test, forced swim test, light-dark transition experiment, morris water maze, and novel object recognition test. Exposure to EE improved neurologic function, attenuated depressive and anxiety-like behaviors, and promoted spatial learning and memory. These changes were associated with increased expression of transcription factor Nrf2 and brain-derived neurotrophic factor (BDNF) and inhibited glutaminase activity in the perihematomal tissue. However, EE did not change the above behavioral outcomes in Nrf2-/- mice on day 28. Furthermore, exposure to EE did not increase BDNF expression compared to exposure to SE in Nrf2-/- mice on day 28 after ICH. These findings indicate that EE improves long-term outcomes in sensorimotor, emotional, and cognitive behavior after ICH and that the underlying mechanism involves the Nrf2/BDNF/glutaminase pathway.
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Affiliation(s)
- Peijun Jia
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
- School of Life Sciences,
Zhengzhou University, Zhengzhou, China
| | - Junmin Wang
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Xiuhua Ren
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Jinxin He
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Shaoshuai Wang
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Yinpei Xing
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Danyang Chen
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Xinling Zhang
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Siqi Zhou
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Xi Liu
- Department of Neurology,
The First Affiliated Hospital of Zhengzhou University, Zhengzhou,
China
| | - Shangchen Yu
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Zefu Li
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Chao Jiang
- Department of Neurology,
The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou,
China
| | - Weidong Zang
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Xuemei Chen
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
| | - Jian Wang
- Department of Anatomy,
School of Basic Medical Sciences, , Zhengzhou
University, Zhengzhou, China
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Gao Y, Wang T, Cheng Y, Wu Y, Zhu L, Gu Z, Wu Y, Cai L, Wu Y, Zhang Y, Gao C, Li L, Li J, Li Q, Wang Z, Wang Y, Wang F, Luo C, Tao L. Melatonin ameliorates neurological deficits through MT2/IL-33/ferritin H signaling-mediated inhibition of neuroinflammation and ferroptosis after traumatic brain injury. Free Radic Biol Med 2023; 199:97-112. [PMID: 36805045 DOI: 10.1016/j.freeradbiomed.2023.02.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 02/09/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023]
Abstract
Although traumatic brain injury (TBI) is a common cause of death and disability worldwide, there is currently a lack of effective therapeutic drugs and targets. To reveal the complex pathophysiologic mechanisms of TBI, we performed transcriptome analysis of the mouse cerebral cortex and immunohistochemical analysis of human cerebral tissues. The genes Mt1, Mt2, Il33, and Fth1 were upregulated post-TBI and enriched in pathways associated with the inflammatory response, oxidative phosphorylation, and ferroptosis. As an agonist of MT1/2, melatonin (MLT) confers anti-oxidant, anti-inflammatory, and anti-ferroptosis effects after TBI. However, whether these upregulated genes and their corresponding pathways are involved in the neuroprotective effect of MLT remains unclear. In this study, interventions to inhibit MT1/2, IL-33, and ferroptosis (i.e., ferritin H (Fth)-KO) were applied post-TBI. The results showed that MLT attenuated TBI-induced cerebral edema and neurological outcomes by inhibiting inflammation and ferroptosis. Mechanistically, MLT mainly suppressed inflammatory responses and ferroptosis via the activation of MT2 and IL-33 pathways. Building on the previous finding that Fth deletion increases susceptibility to ferroptosis post-TBI, we demonstrated that Fth depletion remarkably exacerbated the post-TBI inflammatory response, and abolished the anti-inflammatory effects of MLT both in vivo and in vitro. Furthermore, the post-TBI anti-inflammatory effect of MLT, which occurs by promoting the polarization of CD206+ macrophages, was dependent on Fth. Taken together, these results clarified that MLT alleviates inflammation- and ferroptosis-mediated brain edema and neurological deficits by activating the MT2/IL-33/Fth pathway, which provides a novel target and theoretical basis for MLT to treat TBI patients.
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Affiliation(s)
- Yuan Gao
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China; Department of Forensic Science, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Tao Wang
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Ying Cheng
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Yumin Wu
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Luwen Zhu
- Department of Forensic Science, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Zhiya Gu
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Youzhuang Wu
- Department of Forensic Science, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Luwei Cai
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Yimin Wu
- Department of Forensic Science, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Yidan Zhang
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Cheng Gao
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Lili Li
- Department of Child and Adolescent Healthcare, Children's Hospital of Soochow University, Suzhou, Jiangsu, 215021, China
| | - Jing Li
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Qianqian Li
- School of Forensic Medicine, Wannan Medical College, Wuhu, Anhui, 241002, China
| | - Zufeng Wang
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Ying Wang
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Fudi Wang
- The Second Affiliated Hospital, School of Public Health, 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.
| | - Chengliang Luo
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China.
| | - Luyang Tao
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China.
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Sivandzade F, Alqahtani F, Dhaibar H, Cruz-Topete D, Cucullo L. Antidiabetic Drugs Can Reduce the Harmful Impact of Chronic Smoking on Post-Traumatic Brain Injuries. Int J Mol Sci 2023; 24:6219. [PMID: 37047198 PMCID: PMC10093862 DOI: 10.3390/ijms24076219] [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: 03/04/2023] [Revised: 03/18/2023] [Accepted: 03/22/2023] [Indexed: 03/29/2023] Open
Abstract
Traumatic Brain Injury (TBI) is a primary cause of cerebrovascular and neurological disorders worldwide. The current scientific researchers believe that premorbid conditions such as tobacco smoking (TS) can exacerbate post-TBI brain injury and negatively affect recovery. This is related to vascular endothelial dysfunction resulting from the exposure to TS-released reactive oxygen species (ROS), nicotine, and oxidative stress (OS) stimuli impacting the blood-brain barrier (BBB) endothelium. Interestingly, these pathogenic modulators of BBB impairment are similar to those associated with hyperglycemia. Antidiabetic drugs such as metformin (MF) and rosiglitazone (RSG) were shown to prevent/reduce BBB damage promoted by chronic TS exposure. Thus, using in vivo approaches, we evaluated the effectiveness of post-TBI treatment with MF or RSG to reduce the TS-enhancement of BBB damage and brain injury after TBI. For this purpose, we employed an in vivo weight-drop TBI model using male C57BL/6J mice chronically exposed to TS with and without post-traumatic treatment with MF or RSG. Our results revealed that these antidiabetic drugs counteracted TS-promoted downregulation of nuclear factor erythroid 2-related factor 2 (NRF2) expression and concomitantly dampened TS-enhanced OS, inflammation, and loss of BBB integrity following TBI. In conclusion, our findings suggest that MF and RSG could reduce the harmful impact of chronic smoking on post-traumatic brain injuries.
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Affiliation(s)
- Farzane Sivandzade
- Department of Biological Sciences, Oakland University, Rochester, MI 48309, USA
- Department of Foundation Medical Studies, Oakland University William Beaumont School of Medicine, Rochester, MI 48309, USA
| | - Faleh Alqahtani
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11362, Saudi Arabia
| | - Hemangini Dhaibar
- Department of Molecular and Cellular Physiology, Louisiana State University Health Shreveport, Shreveport, LA 71103, USA
| | - Diana Cruz-Topete
- Department of Molecular and Cellular Physiology, Louisiana State University Health Shreveport, Shreveport, LA 71103, USA
| | - Luca Cucullo
- Department of Foundation Medical Studies, Oakland University William Beaumont School of Medicine, Rochester, MI 48309, USA
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Cai J, Yang Y, Han J, Gao Y, Li X, Ge X. KDM4A, involved in the inflammatory and oxidative stress caused by traumatic brain injury-hemorrhagic shock, partly through the regulation of the microglia M1 polarization. BMC Neurosci 2023; 24:17. [PMID: 36869312 PMCID: PMC9983262 DOI: 10.1186/s12868-023-00784-6] [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: 06/17/2022] [Accepted: 02/16/2023] [Indexed: 03/05/2023] Open
Abstract
BACKGROUND Microglial polarization and the subsequent neuroinflammatory response and oxidative stress are contributing factors for traumatic brain injury (TBI) plus hemorrhagic shock (HS) induced brain injury. In the present work, we have explored whether Lysine (K)-specific demethylase 4 A (KDM4A) modulates microglia M1 polarization in the TBI and HS mice. RESULTS Male C57BL/6J mice were used to investigate the microglia polarization in the TBI + HS model in vivo. Lipopolysaccharide (LPS)-induced BV2 cells were used to examine the mechanism of KDM4A in regulating microglia polarization in vitro. We found that TBI + HS resulted in neuronal loss and microglia M1 polarization in vivo, reflected by the increased level of Iba1, tumor necrosis factor (TNF)-α, interleukin (IL)-1β, malondialdehyde (MDA) and the decreased level of reduced glutathione (GSH). Additionally, KDM4A was upregulated in response to TBI + HS and microglia were among the cell types showing the increased level of KDM4A. Similar to the results in vivo, KDM4A also highly expressed in LPS-induced BV2 cells. LPS-induced BV2 cells exhibited enhanced microglia M1 polarization, and enhanced level of pro-inflammatory cytokines, oxidative stress and reactive oxygen species (ROS), while this enhancement was abolished by the suppression of KDM4A. CONCLUSION Accordingly, our findings indicated that KDM4A was upregulated in response to TBI + HS and microglia were among the cell types showing the increased level of KDM4A. The important role of KDM4A in TBI + HS-induced inflammatory response and oxidative stress was at least partially realized through regulating microglia M1 polarization.
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Affiliation(s)
- Jimin Cai
- Department of Critical Care Medicine, Wuxi 9th People's Hospital Affiliated to Soochow University, 214000, Wuxi, Jiangsu, P.R. China
| | - Yang Yang
- Department of Neurosurgery, Central Hospital of Jinzhou, 121001, Jinzhou, Liaoning, P.R. China
| | - Jiahui Han
- Department of Critical Care Medicine, Wuxi 9th People's Hospital Affiliated to Soochow University, 214000, Wuxi, Jiangsu, P.R. China
| | - Yu Gao
- Department of Critical Care Medicine, Wuxi 9th People's Hospital Affiliated to Soochow University, 214000, Wuxi, Jiangsu, P.R. China
| | - Xin Li
- Department of Anesthesiology, Wuxi 9th People's Hospital Affiliated to Soochow University, 214000, Wuxi, Jiangsu, P.R. China.
| | - Xin Ge
- Department of Critical Care Medicine, Wuxi 9th People's Hospital Affiliated to Soochow University, 214000, Wuxi, Jiangsu, P.R. China. .,Orthopedic Institution of Wuxi City, 214000, Wuxi, Jiangsu, P.R. China.
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40
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Armağan İ, Aşcı H, Erzurumlu Y, Özkula S, Hasseyid N, Kumbul Doğuç D, Okuyucu G, Varel A. Ramelteon and mechanism of its restorative effect in an experimental lung disease model. Toxicol Mech Methods 2023; 33:239-247. [PMID: 36482745 DOI: 10.1080/15376516.2022.2156006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Methotrexate (MTX) is an anticancer agent widely used in clinical practice for various oncological, rheumatological, autoimmune, and inflammatory diseases. However, the side effects of MTX limit its usage for treatment. In addition, diffuse alveolar damage, interstitial pneumonia, fibrosis, and pleural reactions may be encountered in MTX-induced pulmonary toxicity. Ramelteon (RML), a melatonin receptor agonist, has antioxidant, anti-inflammatory, and protective effects are shown by several studies. This study aimed to show the antioxidant, anti-inflammatory, and antiapoptotic effects of RML and its effect on the airway surface liquid volume homeostasis via aquaporins (AQP) in MTX-induced lung injury. Thirty-two female Wistar Albino rats were grouped into four groups as control, MTX (20 mg/kg, intraperitoneally, a single dose), MTX + RML, and RML (10 mg/kg, via oral gavage, for seven days) groups. Once the experiment ended, the rats' lung tissues were taken for biochemical, genetic, histopathological, and immunohistochemical examinations. MTX significantly increased oxidative stress index and total oxidative status, and decreased total antioxidant status levels by 202.0%, 141.4%, 20.2%, respectively, relative to the control (p ˂ 0.001 for all). AQP-1/5, which is an indicator of lung damage, was also found to decrease significantly (p ˂ 0.001). In addition, a significant increase was observed in interleukin-1β, interferon-beta, and caspase-8 expressions and histopathological changes as a result of immunohistochemical and histochemical examinations (p ˂ 0.001). RML treatment ameliorated all these changes and significantly regressed lung damage. Our results suggest that RML might be used as a lung-protective agent in various models of lung and tissue injury.
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Affiliation(s)
- İlkay Armağan
- Department of Histology and Embryology, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
| | - Halil Aşcı
- Department of Pharmacology, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
| | - Yalçın Erzurumlu
- Department of Biochemistry, Faculty of Pharmacy, Süleyman Demirel University, Isparta, Turkey
| | - Songül Özkula
- Department of Pharmacology, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
| | - Nursel Hasseyid
- Department of Pharmacology, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
| | - Duygu Kumbul Doğuç
- Department of Biochemistry, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
| | - Gözde Okuyucu
- Department of Pathology, Faculty of Veterinary Medicine, Burdur Mehmet Akif Ersoy University, Burdur, Turkey
| | - Ahmetcan Varel
- Department of Histology and Embryology, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey
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Gong M, Zhang H, Lou M, Wang Y, Ma R, Hu Z, Zheng G, Zhang Y. Melatonin reduces IL-33 and TSLP expression in human nasal epithelial cells by scavenging ROS directly. Immun Inflamm Dis 2023; 11:e788. [PMID: 36840497 PMCID: PMC9933203 DOI: 10.1002/iid3.788] [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: 09/14/2022] [Revised: 02/01/2023] [Accepted: 02/02/2023] [Indexed: 02/18/2023] Open
Abstract
BACKGROUND Chronic rhinosinusitis (CRS) is a chronic mucosal inflammation of the nasal cavity and sinuses. It is classified into CRS without nasal polyps and CRS with nasal polyps (CRSwNP). CRSwNP has high recurrence, especially CRSwNP with massive eosinophil infiltration which is mediated by type 2 inflammatory response. Melatonin is a hormone secreted by the pineal gland, it has powerful antioxidant and anti-inflammatory effects in addition to regulating biological rhythms. There are no studies on melatonin for the treatment of CRS, so we aimed to explore whether melatonin could be used for the treatment of CRS. MATERIALS AND METHODS In this study, we used melatonin to treat a cell model of CRS. Subsequently, MTT assay was performed to examine the cell viability of human nasal epithelial cells (HNEpCs), a reactive oxygen species (ROS) kit to detect ROS production, a malondialdehyde (MDA) kit to detect the MDA content in the cell culture supernatant, and an apoptosis kit and Western blot analysis to detect apoptosis. The expressions of Nrf2, HO-1, IL-33, TSLP, and IL-25 were detected by Western blot analysis. RESULTS Melatonin improved the viability of HNEpCs, reduced lipopolysaccharide-induced ROS, reduced the MDA content, and inhibited their apoptosis. More importantly, melatonin reduced the expression of IL-33 and TSLP, an important phenomenon for the treatment of CRSwNP. CONCLUSION Melatonin protects HNEpCs from damage in inflammation and reduces IL-33 and TSLP expression of HNEpCs.
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Affiliation(s)
- Min‐jie Gong
- Department of Otolaryngology Head and Neck SurgeryThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxiChina
| | - Hai‐bao Zhang
- Oncology Research Lab, Key Laboratory of Environment and Genes Related to Diseases, Ministry of EducationXi'an Jiaotong UniversityXi'anShaanxiChina
| | - Miao Lou
- Department of Otolaryngology Head and Neck SurgeryThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxiChina
| | - Yu‐sheng Wang
- Department of Otolaryngology Head and Neck SurgeryThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxiChina
| | - Rui‐ping Ma
- Department of Otolaryngology Head and Neck SurgeryThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxiChina
| | - Zhen‐zhen Hu
- Department of Otolaryngology Head and Neck SurgeryThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxiChina
| | - Guo‐xi Zheng
- Department of Otolaryngology Head and Neck SurgeryThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxiChina
| | - Ya Zhang
- Department of Otolaryngology Head and Neck SurgeryThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxiChina
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42
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Fan YH, He ZY, Zheng WX, Hu LT, Wang BY. Exosomal miR-23b from bone marrow mesenchymal stem cells alleviates oxidative stress and pyroptosis after intracerebral hemorrhage. Neural Regen Res 2023; 18:560-567. [DOI: 10.4103/1673-5374.346551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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43
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Cheng Y, Gao Y, Li J, Rui T, Li Q, Chen H, Jia B, Song Y, Gu Z, Wang T, Gao C, Wang Y, Wang Z, Wang F, Tao L, Luo C. TrkB agonist N-acetyl serotonin promotes functional recovery after traumatic brain injury by suppressing ferroptosis via the PI3K/Akt/Nrf2/Ferritin H pathway. Free Radic Biol Med 2023; 194:184-198. [PMID: 36493983 DOI: 10.1016/j.freeradbiomed.2022.12.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/19/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
Ferroptosis is a form of regulated cell death that is mainly triggered by iron-dependent lipid peroxidation. A growing body of evidence suggests that ferroptosis is involved in the pathophysiology of traumatic brain injury (TBI), and tropomyosin-related kinase B (TrkB) deficiency would mediate TBI pathologies. As an agonist of TrkB and an immediate precursor of melatonin, N-acetyl serotonin (NAS) exerts several beneficial effects on TBI, but there is no information regarding the role of NAS in ferroptosis after TBI. Here, we examined the effect of NAS treatment on TBI-induced functional outcomes and ferroptosis. Remarkably, the administration of NAS alleviated TBI-induced neurobehavioral deficits, lesion volume, and neurodegeneration. NAS also rescued TBI-induced mitochondrial shrinkage, the changes in ferroptosis-related molecule expression, and iron accumulation in the ipsilateral cortex. Similar results were obtained with a well-established ferroptosis inhibitor, liproxstatin-1. Furthermore, NAS activated the TrkB/PI3K/Akt/Nrf2 pathway in the mouse model of TBI, while inhibition of PI3K and Nrf2 weakened the protection of NAS against ferroptosis both in vitro and in vivo, suggesting that a possible pathway linking NAS to the action of anti-ferroptosis was TrkB/PI3K/Akt/Nrf2. Given that ferritin H (Fth) is a known transcription target of Nrf2, we then investigated the effects of NAS on neuron-specific Fth knockout (Fth-KO) mice. Strikingly, Fth deletion almost abolished the protective effects of NAS against TBI-induced ferroptosis and synaptic damage, although Fth deletion-induced susceptibility toward ferroptosis after TBI was reversed by an iron chelator, deferoxamine. Taken together, these data indicate that the TrkB agonist NAS treatment appears to improve brain function after TBI by suppressing ferroptosis, at least in part, through activation of the PI3K/Akt/Nrf2/Fth pathway, providing evidence that NAS is likely to be a promising anti-ferroptosis agent for further treatment for TBI.
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Affiliation(s)
- Ying Cheng
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Yuan Gao
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Jing Li
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Tongyu Rui
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Qianqian Li
- School of Forensic Medicine, Wannan Medical College, Wuhu, 241002, China
| | - Huan Chen
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Bowen Jia
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Yiting Song
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Zhiya Gu
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Tao Wang
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Cheng Gao
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Ying Wang
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Zufeng Wang
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Fudi Wang
- The First Affiliated Hospital, School of Public Health, Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, 310058, China.
| | - Luyang Tao
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China.
| | - Chengliang Luo
- Department of Forensic Medicine, School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, 215123, China.
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Pterostilbene Attenuates Subarachnoid Hemorrhage-Induced Brain Injury through the SIRT1-Dependent Nrf2 Signaling Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3550204. [PMID: 36506933 PMCID: PMC9729048 DOI: 10.1155/2022/3550204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 08/10/2022] [Accepted: 10/06/2022] [Indexed: 12/05/2022]
Abstract
Neuroinflammatory injury, oxidative insults, and neuronal apoptosis are major causes of poor outcomes after subarachnoid hemorrhage (SAH). Pterostilbene (PTE), an analog of resveratrol, has been verified as a potent sirtuin 1 (SIRT1) activator. However, the beneficial actions of PTE on SAH-induced brain injury and whether PTE regulates SIRT1 signaling after SAH remain unknown. We first evaluated the dose-response influence of PTE on early brain impairment after SAH. In addition, EX527 was administered to suppress SIRT1 signaling. The results revealed that PTE significantly attenuated microglia activation, oxidative insults, neuronal damage, and early neurological deterioration. Mechanistically, PTE effectively enhanced SIRT1 expression and promoted nuclear factor-erythroid 2-related factor 2 (Nrf2) accumulation in nuclei. Furthermore, EX527 pretreatment distinctly repressed PTE-induced SIRT1 and Nrf2 activation and deteriorated these beneficial outcomes. In all, our study provides the evidence that PTE protects against SAH insults by activating SIRT1-dependent Nrf2 signaling pathway. PTE might be a therapeutic alternative for SAH.
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Smith AN, Shaughness M, Collier S, Hopkins D, Byrnes KR. Therapeutic targeting of microglia mediated oxidative stress after neurotrauma. Front Med (Lausanne) 2022; 9:1034692. [PMID: 36405593 PMCID: PMC9671221 DOI: 10.3389/fmed.2022.1034692] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 10/12/2022] [Indexed: 10/06/2023] Open
Abstract
Inflammation is a primary component of the central nervous system injury response. Traumatic brain and spinal cord injury are characterized by a pronounced microglial response to damage, including alterations in microglial morphology and increased production of reactive oxygen species (ROS). The acute activity of microglia may be beneficial to recovery, but continued inflammation and ROS production is deleterious to the health and function of other cells. Microglial nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (NOX), mitochondria, and changes in iron levels are three of the most common sources of ROS. All three play a significant role in post-traumatic brain and spinal cord injury ROS production and the resultant oxidative stress. This review will evaluate the current state of therapeutics used to target these avenues of microglia-mediated oxidative stress after injury and suggest avenues for future research.
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Affiliation(s)
- Austin N. Smith
- Neuroscience Program, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
| | - Michael Shaughness
- Neuroscience Program, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
| | - Sean Collier
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
- Department of Anatomy, Physiology and Genetics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Deanna Hopkins
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
- Department of Anatomy, Physiology and Genetics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
| | - Kimberly R. Byrnes
- Neuroscience Program, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
- Department of Anatomy, Physiology and Genetics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States
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Zhang D, Chang R, Ren Y, He Y, Guo S, Guan F, Yao M. Injectable and reactive oxygen species-scavenging gelatin hydrogel promotes neural repair in experimental traumatic brain injury. Int J Biol Macromol 2022; 219:844-863. [PMID: 35961554 DOI: 10.1016/j.ijbiomac.2022.08.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/27/2022] [Accepted: 08/06/2022] [Indexed: 12/26/2022]
Abstract
Oxidative stress caused by the overexpression of reactive oxygen species (ROS) plays an important role in the pathogenesis of traumatic brain injury (TBI). Accumulation of ROS can lead to cell death, neurodegeneration, and neurological deficit. Therefore, the design and application of functional materials with ROS scavenging ability is of great significance for neural repair. Herein, an injectable and antioxidant hydrogel was developed for TBI treatment based on the Schiff base reaction of gallic acid-conjugated gelatin (GGA) and oxidized dextran (Odex). The resulting GGA/Odex hydrogel could effectively scavenge DPPH and ABTS radicals, as well as protect cells from the oxidative damage in vitro. Moreover, GGA/Odex hydrogel possessed well biocompatible features. In a moderate TBI mouse model, in situ implantation of GGA6Odex hydrogel efficiently facilitated neurogenesis and promoted the motor, learning and memory abilities. Also, this composite hydrogel suppressed oxidative stress and inflammation via the activation of Nrf2/HO-1 pathway and the regulating of inflammatory factors secretion and macrophage/microglia polarization. Therefore, this injectable and ROS-scavenging GGA6Odex hydrogel is a promising biomaterial for tissue regenerative medicine, including TBI and other tissue repair relevant to raised ROS circumstance.
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Affiliation(s)
- Dan Zhang
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Rong Chang
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Yikun Ren
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Yuanmeng He
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Shen Guo
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China
| | - Fangxia Guan
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China.
| | - Minghao Yao
- School of Life Science, Zhengzhou University, 100 Science Road, Zhengzhou 450001, PR China.
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Ma Y, Chen J, Li H, Xu F, Chong T, Wang Z, Zhang L. Immature rat testis sustained long-term development using an integrative model. Biol Res 2022; 55:30. [PMID: 36195947 PMCID: PMC9531454 DOI: 10.1186/s40659-022-00398-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 09/27/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Xenotransplantation has been primarily performed using fresh donor tissue to study testicular development for about 20 years, and whether the cultured tissue would be a suitable donor is unclear. In this study, we combined testicular culture and xenotransplantation into an integrative model and explored whether immature testicular tissue would survive and continue to develop in this model. METHODS In the new integrative model group, the testes of neonatal rats on postnatal day 8 (PND 8) were cultured for 4 days ex vivo and then were transplanted under the dorsal skin of castrated nude mice. The xenografted testes were resected on the 57th day after xenotransplantation and the testes of rats in the control group were harvested on PND 69. The survival state of testicular tissue was evaluated from morphological and functional perspectives including H&E staining, immunohistochemical staining of 8-OH-dG, immunofluorescence staining, TUNEL assay, ultrastructural study, gene expression and protein analysis. RESULTS (a) We found that complete spermatogenesis was established in the testes in the new integrative model group. Compared with the control in the same stage, the seminiferous epithelium in some tubules was a bit thinner and there were vacuoles in part of the tubules. Immunofluorescence staining revealed some ACROSIN-positive spermatids were present in seminiferous tubule of xenografted testes. TUNEL detection showed apoptotic cells and most of them were germ cells in the new integrative model group. 8-OH-dG immunohistochemistry showed strongly positive-stained in the seminiferous epithelium after xenotransplantation in comparison with the control group; (b) Compared with the control group, the expressions of FOXA3, DAZL, GFRα1, BOLL, SYCP3, CDC25A, LDHC, CREM and MKI67 in the new integrative model group were significantly elevated (P < 0.05), indicating that the testicular tissue was in an active differentiated and proliferative state; (c) Antioxidant gene detection showed that the expression of Nrf2, Keap1, NQO1 and SOD1 in the new integrative model group was significantly higher than those in the control group (P < 0.05), and DNA methyltransferase gene detection showed that the expression of DNMT3B was significantly elevated as well (P < 0.05). CONCLUSION The new integrative model could maintain the viability of immature testicular tissue and sustain the long-term survival in vivo with complete spermatogenesis. However, testicular genes expression was altered, vacuolation and thin seminiferous epithelium were still apparent in this model, manifesting that oxidative damage may contribute to the testicular development lesion and it needs further study in order to optimize this model.
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Affiliation(s)
- Yubo Ma
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, China
| | - Juan Chen
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, China
| | - Hecheng Li
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, China
| | - Fangshi Xu
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, China
| | - Tie Chong
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, China
| | - Ziming Wang
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, China.
| | - Liandong Zhang
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, 710004, China.
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Bagri K, Deshmukh R. Vinpocetine restores cognitive and motor functions in Traumatic brain injury challenged rats. Inflammopharmacology 2022; 30:2243-2259. [PMID: 36190686 DOI: 10.1007/s10787-022-01059-y] [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: 03/06/2022] [Accepted: 08/14/2022] [Indexed: 11/28/2022]
Abstract
Traumatic brain damage is common worldwide and the treatments are not well-defined. Vinpocetine is a synthetic derivative of the vinca alkaloid vincamine and is clinically being used for various brain disorders. Here in the current study, we have investigated the neuroprotective potential of vinpocetine against traumatic brain injury. TBI was induced by the Marmarou weight drop method in rats. Brain damage was evaluated using cognitive and motor functions and the alterations in biomolecules. Injured rats were treated with different doses of vinpocetine (2.5, 5, and 10 mg/kg) for 4 weeks. Traumatic brain injury in rats produced significant deterioration of cognition and motor functions, which was accompanied by increased oxidative stress and significant alterations in brain monoamine levels as compared with the sham control group (p < 0.05). Vinpocetine alleviated TBI-induced oxidative burden, altered neurochemistry, and improved the cognitive and motor functions as compared with that of the TBI control group (p < 0.05). The observed neuroprotective potential of vinpocetine may be due to the observed antioxidant potential and its ability to restore the levels of brain neurochemicals under stressed conditions. The outcomes of the current study may help the repositioning of vinpocetine for preventing or treating traumatic brain injuries.
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Affiliation(s)
- Kajal Bagri
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda, 151001, Punjab, India
| | - Rahul Deshmukh
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda, 151001, Punjab, India.
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Chen YY, Hong H, Lei YT, Zou J, Yang YY, He LY. ACE2 deficiency exacerbates obesity-related glomerulopathy through its role in regulating lipid metabolism. Cell Death Discov 2022; 8:401. [PMID: 36180463 PMCID: PMC9523180 DOI: 10.1038/s41420-022-01191-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 06/22/2022] [Accepted: 09/15/2022] [Indexed: 11/09/2022] Open
Abstract
Obesity-related glomerulopathy is a secondary glomerular disease and its incidence has been increased globally in parallel with the obesity epidemic. ORG emerged as a growing cause of end-stage renal disease in recent years. Unbalanced production of adipokines at the adipose tissue as well as low-grade inflammatory processes play central roles in ORG progression. ORG mouse model with ACE2-knockout was generated and kidney injury was evaluated by biochemistry and histological staining assays. Protein and mRNA expressions were quantified by ELISA, western blot or qRT-PCR methods. ACE2 deficiency aggravated ORG-related renal injuries and stimulated both lipid accumulation and inflammatory responses. Further, Nrf2 pathway was deactivated upon ACE2-knockout. By contrast, ACE2 overexpression reactivated Nrf2 pathway and ameliorated ORG symptoms by decreasing fat deposition and reducing inflammatory responses. Our data demonstrated that ACE2 exerted the beneficial effects by acting through Nrf2 signaling pathway, suggesting the protective role of ACE2 against lipid accumulation and inflammatory responses in ORG pathogenesis.
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Affiliation(s)
- Yin-Yin Chen
- Department of Nephrology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha Clinical Research Center for Kidney Disease, Hunan Clinical Research Center for Chronic Kidney Disease, Changsha, 410000, Hunan Province, P. R. China
| | - Han Hong
- Department of Nephrology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha Clinical Research Center for Kidney Disease, Hunan Clinical Research Center for Chronic Kidney Disease, Changsha, 410000, Hunan Province, P. R. China
| | - Yu-Ting Lei
- Department of Nephrology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha Clinical Research Center for Kidney Disease, Hunan Clinical Research Center for Chronic Kidney Disease, Changsha, 410000, Hunan Province, P. R. China
| | - Jia Zou
- Department of Nephrology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha Clinical Research Center for Kidney Disease, Hunan Clinical Research Center for Chronic Kidney Disease, Changsha, 410000, Hunan Province, P. R. China
| | - Yi-Ya Yang
- Department of Nephrology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha Clinical Research Center for Kidney Disease, Hunan Clinical Research Center for Chronic Kidney Disease, Changsha, 410000, Hunan Province, P. R. China
| | - Li-Yu He
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, Hunan Province, P. R. China.
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50
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Jacquens A, Needham EJ, Zanier ER, Degos V, Gressens P, Menon D. Neuro-Inflammation Modulation and Post-Traumatic Brain Injury Lesions: From Bench to Bed-Side. Int J Mol Sci 2022; 23:11193. [PMID: 36232495 PMCID: PMC9570205 DOI: 10.3390/ijms231911193] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022] Open
Abstract
Head trauma is the most common cause of disability in young adults. Known as a silent epidemic, it can cause a mosaic of symptoms, whether neurological (sensory-motor deficits), psychiatric (depressive and anxiety symptoms), or somatic (vertigo, tinnitus, phosphenes). Furthermore, cranial trauma (CT) in children presents several particularities in terms of epidemiology, mechanism, and physiopathology-notably linked to the attack of an immature organ. As in adults, head trauma in children can have lifelong repercussions and can cause social and family isolation, difficulties at school, and, later, socio-professional adversity. Improving management of the pre-hospital and rehabilitation course of these patients reduces secondary morbidity and mortality, but often not without long-term disability. One hypothesized contributor to this process is chronic neuroinflammation, which could accompany primary lesions and facilitate their development into tertiary lesions. Neuroinflammation is a complex process involving different actors such as glial cells (astrocytes, microglia, oligodendrocytes), the permeability of the blood-brain barrier, excitotoxicity, production of oxygen derivatives, cytokine release, tissue damage, and neuronal death. Several studies have investigated the effect of various treatments on the neuroinflammatory response in traumatic brain injury in vitro and in animal and human models. The aim of this review is to examine the various anti-inflammatory therapies that have been implemented.
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Affiliation(s)
- Alice Jacquens
- Unité de Neuroanesthésie-Réanimation, Hôpital de la Pitié Salpêtrière 43-87, Boulevard de l’Hôpital, F-75013 Paris, France
- Inserm, Maladies Neurodéveloppementales et Neurovasculaires, Université Paris Cité, F-75019 Paris, France
| | - Edward J. Needham
- Division of Anaesthesia, Addenbrooke’s Hospital, University of Cambridge, Box 93, Hills Road, Cambridge CB2 2QQ, UK
| | - Elisa R. Zanier
- Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milan, Italy
| | - Vincent Degos
- Unité de Neuroanesthésie-Réanimation, Hôpital de la Pitié Salpêtrière 43-87, Boulevard de l’Hôpital, F-75013 Paris, France
- Inserm, Maladies Neurodéveloppementales et Neurovasculaires, Université Paris Cité, F-75019 Paris, France
| | - Pierre Gressens
- Inserm, Maladies Neurodéveloppementales et Neurovasculaires, Université Paris Cité, F-75019 Paris, France
| | - David Menon
- Division of Anaesthesia, Addenbrooke’s Hospital, University of Cambridge, Box 93, Hills Road, Cambridge CB2 2QQ, UK
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