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Koma R, Shibaguchi T, Yamada T, Nonaka Y, Jue T, Yamazaki A, Masuda K. Endurance training increases mitochondrial myoglobin and enhances its interaction with complex IV in rat plantaris muscle. Acta Physiol (Oxf) 2024; 240:e14139. [PMID: 38509816 DOI: 10.1111/apha.14139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 03/02/2024] [Accepted: 03/11/2024] [Indexed: 03/22/2024]
Abstract
AIM Endurance exercise training is known to increase mitochondrial respiration in skeletal muscle. However, the molecular mechanisms behind this are not fully understood. Myoglobin (Mb) is a member of the globin family, which is highly expressed in skeletal and cardiac muscles. We recently found that Mb localizes inside mitochondria in skeletal muscle and interacts with cytochrome c oxidase subunit IV (COXIV), a subunit of mitochondrial complex IV, which regulates respiration by augmenting complex IV activity. In the present study, we investigated the effect of endurance training on Mb-COXIV interaction within mitochondria in rat skeletal muscle. METHODS Eight-week-old male Wistar rats were subjected to 6-week treadmill running training. Forty-eight hours after the last training session, the plantaris muscle was removed under anesthesia and used for biochemical analysis. RESULTS The endurance training increased mitochondrial content in the skeletal muscle. It also augmented complex IV-dependent oxygen consumption and complex IV activity in isolated mitochondria from skeletal muscle. Furthermore, endurance training increased Mb expression at the whole muscle level. Importantly, mitochondrial Mb content and Mb-COXIV binding were increased by endurance training. CONCLUSION These findings suggest that an increase in mitochondrial Mb and the concomitant enhancement of Mb interaction with COXIV may contribute to the endurance training-induced upregulation of mitochondrial respiration by augmenting complex IV activity.
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Affiliation(s)
- Rikuhide Koma
- Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa, Japan
- Research Fellowship for Young Scientists, Japan Society for the Promotion of Science, Tokyo, Japan
| | - Tsubasa Shibaguchi
- Institute of Liberal Arts and Science, Kanazawa University, Kanazawa, Japan
| | - Tatsuya Yamada
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Yudai Nonaka
- Institute of Liberal Arts and Science, Kanazawa University, Kanazawa, Japan
| | - Thomas Jue
- Department of Biochemistry and Molecular Medicine, University of California Davis, Davis, California, USA
| | - Ayaka Yamazaki
- Graduate School of Frontier Science Initiative, Kanazawa University, Kanazawa, Japan
| | - Kazumi Masuda
- Institute of Human and Social Sciences, Kanazawa University, Kanazawa, Japan
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Zhang L, Li D, Yin L, Zhang C, Qu H, Xu J. Neuroglobin protects against cerebral ischemia/reperfusion injury in rats by suppressing mitochondrial dysfunction and endoplasmic reticulum stress-mediated neuronal apoptosis through synaptotagmin-1. ENVIRONMENTAL TOXICOLOGY 2023. [PMID: 37195900 DOI: 10.1002/tox.23815] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 03/22/2023] [Accepted: 04/16/2023] [Indexed: 05/19/2023]
Abstract
Cerebral ischemia/reperfusion (I/R) injury remains a grievous health threat, and herein effective therapy is urgently needed. This study explored the protection of neuroglobin (Ngb) in rats with cerebral I/R injury. The focal cerebral I/R rat models were established by middle cerebral artery occlusion (MCAO) and neuronal injury models were established by oxygen-glucose deprivation/reoxygenation (OGD/R) treatment. The brain injury of rats was assessed. Levels of Ngb, Bcl-2, Bax, endoplasmic reticulum stress (ERS)-related markers, and Syt1 were measured by immunofluorescence staining and Western blotting. The cytotoxicity in neurons was assessed by lactate dehydrogenase (LDH) release assay. Levels of intracellular Ca2+ and mitochondrial function-related indicators were determined. The binding between Ngb and Syt1 was detected by co-immunoprecipitation. Ngb was upregulated in cerebral I/R rats and its overexpression alleviated brain injury. In OGD/R-induced neurons, Ngb overexpression decreased LDH level and neuronal apoptosis, decreased Ca2+ content, and mitigated mitochondrial dysfunction and ERS-related apoptosis. However, Ngb silencing imposed the opposite effects. Importantly, Ngb could bind to Syt1. Syt1 knockdown partially counteracted the alleviation of Ngb on OGD/R-induced injury in neurons and cerebral I/R injury in rats. Briefly, Ngb extenuated cerebral I/R injury by repressing mitochondrial dysfunction and endoplasmic reticulum stress-mediated neuronal apoptosis through Syt1.
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Affiliation(s)
- Lihong Zhang
- Department of Neurointervention and Neurocritical Care, Dalian Central Hospital Affiliated to Dalian University of Technology, Dalian, China
| | - Di Li
- Department of Neurointervention and Neurocritical Care, Dalian Central Hospital Affiliated to Dalian University of Technology, Dalian, China
| | - Lin Yin
- Department of Neurology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Ce Zhang
- Director's Office, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Hong Qu
- Bidding and Procurement Office, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Jianping Xu
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhouy, China
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Gao Y, Dong J, Chen M, Wang T, Yang Z, He K, Li Y, Wang K, Jiang J, Zhang S. Protective effect of low-dose radiation on doxorubicin-induced brain injury in mice. Arch Biochem Biophys 2022; 729:109390. [PMID: 36067878 DOI: 10.1016/j.abb.2022.109390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 08/11/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND To investigate the protective effect of low-dose radiation (LDR) on brain injury in mice induced by doxorubicin (DOX). METHODS Sixty female BALB/C mice were randomly divided into the control (CTR) group, low-dose radiation (LDR) group, doxorubicin treatment (DOX) group and low-dose radiation before doxorubicin treatment (COM) group. After 72 h of exposure to 75 mGy, the mice were intraperitoneally injected with 7.5 mg/kg of doxorubicin and sacrificed 5 days later. Neuron-specific enolase (NSE), lactate dehydrogenase (LDH), adenosine triphosphate (ATP), neurotransmitters, inflammatory mediators, apoptosis- and oxidative stress-related mediators as well as mitochondrial dysfunction were examined. RESULTS Compared to the DOX group, the concentrations of DA, 5-HT, EPI and GABA in the COM group were significantly decreased, and the number of TUNEL-positive cells was decreased. In addition, the expression of proapoptotic proteins was downregulated in the COM group compared to the DOX group. Low-dose radiation in advance reduced reactive oxygen species and activated the SOD antioxidant defense system as indicated by significantly reduced GSH expression, increased GSSG expression, increased GPx expression and activation of the Nrf2 redox pathway. After low-dose radiation, the expression levels of ATP5f1, NDUFV1 and CYC1 were close to normal, and the mitochondrial respiratory control rate (RCR) and activity of respiratory chain complex enzymes also tended to be normal. Low-dose radiation upregulated the expression levels of IL-2 and IL-4 but downregulated the expression levels of IL-10 and TGF-β. CONCLUSION LDR has a protective effect on brain injury in mice treated with DOX. The mechanism is related to LDR alleviating mitochondrial dysfunction and oxidative stress, which promotes the production of antioxidant damage proteins, thus exerting an adaptive protective effect on cells.
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Affiliation(s)
- Yan Gao
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, 130021, China
| | - Jingyao Dong
- Department of Thoracic Surgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Mengmeng Chen
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, 130021, China
| | - Taiwei Wang
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, 130021, China
| | - Zhaoyun Yang
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, 130021, China
| | - Kang He
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, 130021, China
| | - Yuewei Li
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, 130021, China
| | - Kai Wang
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, 130021, China
| | - Jian Jiang
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, 130021, China.
| | - Shuang Zhang
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, 130021, China.
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Blanco S, Martínez-Lara E, Siles E, Peinado MÁ. New Strategies for Stroke Therapy: Nanoencapsulated Neuroglobin. Pharmaceutics 2022; 14:pharmaceutics14081737. [PMID: 36015363 PMCID: PMC9412405 DOI: 10.3390/pharmaceutics14081737] [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: 07/06/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 01/12/2023] Open
Abstract
Stroke is a global health and socio-economic problem. However, no efficient preventive and/or palliative treatments have yet been found. Neuroglobin (Ngb) is an endogen neuroprotective protein, but it only exerts its beneficial action against stroke after increasing its basal levels. Therefore, its systemic administration appears to be an efficient therapy applicable to stroke and other neurodegenerative pathologies. Unfortunately, Ngb cannot cross the blood-brain barrier (BBB), making its direct pharmacological use unfeasible. Thus, the association of Ngb with a drug delivery system (DDS), such as nanoparticles (NPs), appears to be a good strategy for overcoming this handicap. NPs are a type of DDS which efficiently transport Ngb and increase its bioavailability in the infarcted area. Hence, we previously built hyaluronate NPS linked to Ngb (Ngb-NPs) as a therapeutic tool against stroke. This nanoformulation induced an improvement of the cerebral infarct prognosis. However, this innovative therapy is still in development, and a more in-depth study focusing on its long-lasting neuroprotectant and neuroregenerative capabilities is needed. In short, this review aims to update the state-of-the-art of stroke therapies based on Ngb, paying special attention to the use of nanotechnological drug-delivering tools.
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Cai SC, Li XP, Li X, Tang GY, Yi LM, Hu XS. Oleanolic Acid Inhibits Neuronal Pyroptosis in Ischaemic Stroke by Inhibiting miR-186-5p Expression. Exp Neurobiol 2021; 30:401-414. [PMID: 34983881 PMCID: PMC8752321 DOI: 10.5607/en21006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 11/26/2021] [Accepted: 12/02/2021] [Indexed: 11/19/2022] Open
Abstract
Ischaemic stroke is a common condition leading to human disability and death. Previous studies have shown that oleanolic acid (OA) ameliorates oxidative injury and cerebral ischaemic damage, and miR-186-5p is verified to be elevated in serum from ischaemic stroke patients. Herein, we investigated whether OA regulates miR-186-5p expression to control neuroglobin (Ngb) levels, thereby inhibiting neuronal pyroptosis in ischaemic stroke. Three concentrations of OA (0.5, 2, or 8 μM) were added to primary hippocampal neurons subjected to oxygen–glucose deprivation/reperfusion (OGD/R), a cell model of ischaemic stroke. We found that OA treatment markedly inhibited pyroptosis. qRT–PCR and western blot revealed that OA suppressed the expression of pyroptosis-associated genes. Furthermore, OA inhibited LDH and proinflammatory cytokine release. In addition, miR-186-5p was downregulated while Ngb was upregulated in OA-treated OGD/R neurons. MiR-186-5p knockdown repressed OGD/R-induced pyroptosis and suppressed LDH and inflammatory cytokine release. In addition, a dual luciferase reporter assay confirmed that miR-186-5p directly targeted Ngb. OA reduced miR-186-5p to regulate Ngb levels, thereby inhibiting pyroptosis in both OGD/R-treated neurons and MCAO mice. In conclusion, OA alleviates pyroptosis in vivo and in vitro by downregulating miR-186-5p and upregulating Ngb expression, which provides a novel theoretical basis illustrating that OA can be considered a drug for ischaemic stroke.
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Affiliation(s)
- Shi-Chang Cai
- Department of Human Anatomy, School of Basic Medical Sciences, Hunan University of Medicine, Huaihua 418000, P.R. China
| | - Xiu-Ping Li
- School of Public Health and Laboratory Medicine, Hunan University of Medicine, Huaihua 418000, P.R. China
| | - Xing Li
- School of Basic Medical Sciences, Shaoyang University, Shaoyang 422000, P.R. China
| | - Gen-Yun Tang
- Department of Cell Biology and Genetics, School of Basic Medical Sciences, Hunan University of Medicine, Huaihua 418000, Hunan Province, P.R. China
| | - Li-Ming Yi
- Department of Human Anatomy, School of Basic Medical Sciences, Hunan University of Medicine, Huaihua 418000, P.R. China
| | - Xiang-Shang Hu
- Department of Human Anatomy, School of Basic Medical Sciences, Hunan University of Medicine, Huaihua 418000, P.R. China
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Dias-Pedroso D, Ramalho JS, Sardão VA, Jones JG, Romão CC, Oliveira PJ, Vieira HLA. Carbon Monoxide-Neuroglobin Axis Targeting Metabolism Against Inflammation in BV-2 Microglial Cells. Mol Neurobiol 2021; 59:916-931. [PMID: 34797521 DOI: 10.1007/s12035-021-02630-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 10/29/2021] [Indexed: 01/06/2023]
Abstract
Microglia are the immune competent cell of the central nervous system (CNS), promoting brain homeostasis and regulating inflammatory response against infection and injury. Chronic or exacerbated neuroinflammation is a cause of damage in several brain pathologies. Endogenous carbon monoxide (CO), produced from the degradation of heme, is described as anti-apoptotic and anti-inflammatory in several contexts, including in the CNS. Neuroglobin (Ngb) is a haemoglobin-homologous protein, which upregulation triggers antioxidant defence and prevents neuronal apoptosis. Thus, we hypothesised a crosstalk between CO and Ngb, in particular, that the anti-neuroinflammatory role of CO in microglia depends on Ngb. A novel CO-releasing molecule (ALF826) based on molybdenum was used for delivering CO in microglial culture.BV-2 mouse microglial cell line was challenged with lipopolysaccharide (LPS) for triggering inflammation, and after 6 h ALF826 was added. CO exposure limited inflammation by decreasing inducible nitric oxide synthase (iNOS) expression and the production of nitric oxide (NO) and tumour necrosis factor-α (TNF-α), and by increasing interleukine-10 (IL-10) release. CO-induced Ngb upregulation correlated in time with CO's anti-inflammatory effect. Moreover, knocking down Ngb reversed the anti-inflammatory effect of CO, suggesting that dependents on Ngb expression. CO-induced Ngb upregulation was independent on ROS signalling, but partially dependent on the transcriptional factor SP1. Finally, microglial cell metabolism is also involved in the inflammatory response. In fact, LPS treatment decreased oxygen consumption in microglia, indicating a switch to glycolysis, which is associated with a proinflammatory. While CO treatment increased oxygen consumption, reverting LPS effect and indicating a metabolic shift into a more oxidative metabolism. Moreover, in the absence of Ngb, this phenotype was no longer observed, indicating Ngb is needed for CO's modulation of microglial metabolism. Finally, the metabolic shift induced by CO did not depend on alteration of mitochondrial population. In conclusion, neuroglobin emerges for the first time as a key player for CO signalling against exacerbated inflammation in microglia.
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Affiliation(s)
| | - José S Ramalho
- CEDOC, NOVA Medical School, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Vilma A Sardão
- CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - John G Jones
- CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Carlos C Romão
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
| | - Paulo J Oliveira
- CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Helena L A Vieira
- CEDOC, NOVA Medical School, Universidade Nova de Lisboa, Lisbon, Portugal. .,UCIBIO, Applied Molecular Biosciences Unit, Department of Chemistry, Faculdade de Ciências e Tecnologia, NOVA School of Science and Technology, Universidade Nova de Lisboa, Campus de Caparica, 2829-526, Caparica, Portugal. .,Associate Laboratory i4HB - Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade Nova de Lisboa, Caparica, Portugal.
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7
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Zhang H, Li Y, Xun Y, Liu H, Wei C, Wang H, Yang X, Yuan S, Liu N, Xiang S. Polydatin protects neuronal cells from hydrogen peroxide damage by activating CREB/Ngb signaling. Mol Med Rep 2021; 25:9. [PMID: 34751416 PMCID: PMC8600421 DOI: 10.3892/mmr.2021.12525] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 10/15/2021] [Indexed: 11/06/2022] Open
Abstract
Oxidative stress‑induced neuronal cell death contributes significantly to the physiological processes of a number of neurological disorders. Polydatin (PD) has been reported to protect against Alzheimer's disease (AD), ischemic stroke and traumatic brain injury. However, the underlying neuroprotective mechanisms remain to be elucidated. The current study suggested that PD activates AKT/cAMP response element‑binding protein (CREB) signaling and induces neuroglobin (Ngb) to protect neuronal cells from hydrogen peroxide (H2O2) in vitro. PD inhibited the H2O2‑induced neuronal cell death of primary mouse cortical neurons and N2a cells. Functional studies showed that PD attenuated H2O2‑induced mitochondrial dysfunction and mitochondrial reactive oxygen species production. Mechanistically, PD was verified to induce the phosphorylation of AKT and CREB and increase the protein level of Ngb. The luciferase assay results showed that Ngb transcriptional activity was activated by CREB, especially after PD treatment. It was further indicated that PD increased the transcription of Ngb by enhancing the binding of CREB to the promoter region of Ngb. Finally, Ngb knockdown largely attenuated the neuroprotective role of PD against H2O2. The results indicated that PD protected neuronal cells from H2O2 by activating CREB/Ngb signaling in neuronal cells, indicating that PD has a neuroprotective effect against neurodegenerative diseases.
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Affiliation(s)
- Huihui Zhang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha, Hunan 410081, P.R. China
| | - Yadan Li
- Department of Environmental Science, Changsha Environmental Protection College, Changsha, Hunan 410004, P.R. China
| | - Yu Xun
- State Key Laboratory of Developmental Biology of Freshwater Fish, School of Life Sciences, Hunan Normal University, Changsha, Hunan 410081, P.R. China
| | - Hui Liu
- Department of Environmental Science, Changsha Environmental Protection College, Changsha, Hunan 410004, P.R. China
| | - Chenxi Wei
- State Key Laboratory of Developmental Biology of Freshwater Fish, School of Life Sciences, Hunan Normal University, Changsha, Hunan 410081, P.R. China
| | - Hao Wang
- Department of Neurosurgery, Southern Medical University Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Guangzhou, Guangdong 510020, P.R. China
| | - Xiaoping Yang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha, Hunan 410081, P.R. China
| | - Shishan Yuan
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha, Hunan 410081, P.R. China
| | - Ning Liu
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha, Hunan 410081, P.R. China
| | - Shuanglin Xiang
- State Key Laboratory of Developmental Biology of Freshwater Fish, School of Life Sciences, Hunan Normal University, Changsha, Hunan 410081, P.R. China
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Yu Z, Li W, Lan J, Hayakawa K, Ji X, Lo EH, Wang X. EphrinB2-EphB2 signaling for dendrite protection after neuronal ischemia in vivo and oxygen-glucose deprivation in vitro. J Cereb Blood Flow Metab 2021; 41:1744-1755. [PMID: 33325764 PMCID: PMC8221775 DOI: 10.1177/0271678x20973119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
In order to rescue neuronal function, neuroprotection should be required not only for the neuron soma but also the dendrites. Here, we propose the hypothesis that ephrin-B2-EphB2 signaling may be involved in dendritic degeneration after ischemic injury. A mouse model of focal cerebral ischemia with middle cerebral artery occlusion (MCAO) method was used for EphB2 signaling test in vivo. Primary cortical neuron culture and oxygen-glucose deprivation were used to assess EphB2 signaling in vitro. siRNA and soluble ephrin-B2 ectodomain were used to block ephrin-B2-Ephb2 signaling. In the mouse model of focal cerebral ischemia and in neurons subjected to oxygen-glucose deprivation, clustering of ephrin-B2 with its receptor EphB2 was detected. Phosphorylation of EphB2 suggested activation of this signaling pathway. RNA silencing of EphB2 prevented neuronal death and preserved dendritic length. To assess therapeutic potential, we compared the soluble EphB2 ectodomain with the NMDA antagonist MK801 in neurons after oxygen-glucose deprivation. Both agents equally reduced lactate dehydrogenase release as a general marker of neurotoxicity. However, only soluble EphB2 ectodomain protected the dendrites. These findings provide a proof of concept that ephrin-B2-EphB2 signaling may represent a novel therapeutic target to protect both the neuron soma as well as dendrites against ischemic injury.
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Affiliation(s)
- Zhanyang Yu
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Wenlu Li
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Jing Lan
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorders, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, China.,Cerebrovascular Research Institute, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Kazuhide Hayakawa
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Xunming Ji
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorders, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, China.,Cerebrovascular Research Institute, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Eng H Lo
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Xiaoying Wang
- Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA.,Clinical Neuroscience Research Center, Department of Neurosurgery, Tulane University School of Medicine, New Orleans, LA, USA
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Fiocchetti M, Cracco P, Montalesi E, Solar Fernandez V, Stuart JA, Marino M. Neuroglobin and mitochondria: The impact on neurodegenerative diseases. Arch Biochem Biophys 2021; 701:108823. [PMID: 33675812 DOI: 10.1016/j.abb.2021.108823] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/22/2021] [Accepted: 02/25/2021] [Indexed: 12/12/2022]
Abstract
Dysfunctional mitochondria have severe consequences on cell functions including Reactive Oxygen Specie (ROS) generation, alteration of mitochondrial signaling, Ca2+ buffering, and activation of apoptotic pathway. These dysfunctions are closely linked with degenerative diseases including neurodegeneration. The discovery of neuroglobin (NGB) as an endogenous neuroprotective protein, which effects seem to depend on its mitochondrial localization, could drive new therapeutic strategies against aged-related neurodegenerative diseases. Indeed, high levels of NGB are active against several brain injuries, including neurodegeneration, hypoxia, ischemia, toxicity, and nutrient deprivation opening a new scenario in the comprehension of the relationship between neural pathologies and mitochondrial homeostasis. In this review, we provide the current understanding of the role of mitochondria in neurodegeneration and discuss structural and functional connection between NGB and mitochondria with the purpose of defining a novel mitochondrial-based neuroprotective mechanism(s).
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Affiliation(s)
- Marco Fiocchetti
- Department of Science, University Roma Tre, Viale G. Marconi, 446 -00146, Rome, Italy; Neuroendocrinology, Metabolism, and Neuropharmacology Unit, IRCCS Santa Lucia Foundation, 00143, Rome, Italy
| | - Patrizio Cracco
- Department of Science, University Roma Tre, Viale G. Marconi, 446 -00146, Rome, Italy
| | - Emiliano Montalesi
- Department of Science, University Roma Tre, Viale G. Marconi, 446 -00146, Rome, Italy
| | | | - Jeffrey A Stuart
- Department of Biological Science, Faculty of Mathematics and Science, Brock University, St. Catharines L2S 3A1, Ontario, Canada
| | - Maria Marino
- Department of Science, University Roma Tre, Viale G. Marconi, 446 -00146, Rome, Italy; Neuroendocrinology, Metabolism, and Neuropharmacology Unit, IRCCS Santa Lucia Foundation, 00143, Rome, Italy.
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10
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Gorabi AM, Aslani S, Barreto GE, Báez-Jurado E, Kiaie N, Jamialahmadi T, Sahebkar A. The potential of mitochondrial modulation by neuroglobin in treatment of neurological disorders. Free Radic Biol Med 2021; 162:471-477. [PMID: 33166649 DOI: 10.1016/j.freeradbiomed.2020.11.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/20/2020] [Accepted: 11/02/2020] [Indexed: 01/18/2023]
Abstract
Neuroglobin is the third member of the globin family to be identified in 2000 in neurons of both human and mouse nervous systems. Neuroglobin is an oxygen-binding globin found in neurons within the central nervous system as well as in peripheral neurons, that produces a protective effect against hypoxic/ischemic damage induced by promoting oxygen availability within the mitochondria. Numerous investigations have demonstrated that impaired neuroglobin functioning is implicated in the pathogenesis of multiple neurodegenerative disorders. Several in vitro and animal studies have reported the potential of neuroglobin upregulation in improving the neuroprotection through modulation of mitochondrial functions, such as ATP production, clearing reactive oxygen species (ROS), promoting the dynamics of mitochondria, and controlling apoptosis. Neuroglobin acts as a stress-inducible globin, which has been associated hypoxic/ischemic insults where it acts to protect the heart and brain, providing a wide range of applicability in the treatment of human disorders. This review article discusses normal physiological functions of neuroglobin in mitochondria-associated pathways, as well as outlining how dysregulation of neuroglobin is associated with the pathogenesis of neurodegenerative disorders.
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Affiliation(s)
- Armita Mahdavi Gorabi
- Research Center for Advanced Technologies in Cardiovascular Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeed Aslani
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - George E Barreto
- Department of Biological Sciences, University of Limerick, Limerick, Ireland; Health Research Institute, University of Limerick, Limerick, Ireland
| | - Eliana Báez-Jurado
- Departamento de Química, Facultad de Ciencias, Universidad Antonio Nariño, Bogotá D.C., Colombia
| | - Nasim Kiaie
- Research Center for Advanced Technologies in Cardiovascular Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Tannaz Jamialahmadi
- Department of Food Science and Technology, Quchan Branch, Islamic Azad University, Quchan, Iran; Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland; Halal Research Center of IRI, FDA, Tehran, Iran.
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11
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Lessons from the post-genomic era: Globin diversity beyond oxygen binding and transport. Redox Biol 2020; 37:101687. [PMID: 32863222 PMCID: PMC7475203 DOI: 10.1016/j.redox.2020.101687] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/11/2020] [Accepted: 08/11/2020] [Indexed: 12/16/2022] Open
Abstract
Vertebrate hemoglobin (Hb) and myoglobin (Mb) were among the first proteins whose structures and sequences were determined over 50 years ago. In the subsequent pregenomic period, numerous related proteins came to light in plants, invertebrates and bacteria, that shared the myoglobin fold, a signature sequence motif characteristic of a 3-on-3 α-helical sandwich. Concomitantly, eukaryote and bacterial globins with a truncated 2-on-2 α-helical fold were discovered. Genomic information over the last 20 years has dramatically expanded the list of known globins, demonstrating their existence in a limited number of archaeal genomes, a majority of bacterial genomes and an overwhelming majority of eukaryote genomes. In vertebrates, 6 additional globin types were identified, namely neuroglobin (Ngb), cytoglobin (Cygb), globin E (GbE), globin X (GbX), globin Y (GbY) and androglobin (Adgb). Furthermore, functions beyond the familiar oxygen transport and storage have been discovered within the vertebrate globin family, including NO metabolism, peroxidase activity, scavenging of free radicals, and signaling functions. The extension of the knowledge on globin functions suggests that the original roles of bacterial globins must have been enzymatic, involved in defense against NO toxicity, and perhaps also as sensors of O2, regulating taxis away or towards high O2 concentrations. In this review, we aimed to discuss the evolution and remarkable functional diversity of vertebrate globins with particular focus on the variety of non-canonical expression sites of mammalian globins and their according impressive variability of atypical functions.
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Mehrpour S, Rodrigues CR, Ferreira RC, Briones MRDS, Oliveira ASB. Hardy-Weinberg Equilibrium in different mitochondrial haplogroups of four genes associated with neuroprotection and neurodegeneration. ARQUIVOS DE NEURO-PSIQUIATRIA 2020; 78:269-276. [PMID: 32490968 DOI: 10.1590/0004-282x20200002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 12/09/2019] [Indexed: 11/21/2022]
Abstract
BACKGROUND Malfunctioning or damaged mitochondria result in altered energy metabolism, redox equilibrium, and cellular dynamics and is a central point in the pathogenesis of neurological disorders such as Alzheimer's disease, Parkinson's disease, Huntington's disease and Amyotrophic Lateral Sclerosis. Therefore, it is of utmost importance to identify mitochondrial genetic susceptibility markers for neurodegenerative diseases. Potential markers include the respiratory chain enzymes Riboflavin kinase (RFK), Flavin adenine dinucleotide synthetase (FAD), Succinate dehydrogenase B subunit (SDHB), and Cytochrome C1 (CYC1). These enzymes are associated with neuroprotection and neurodegeneration. OBJECTIVE To test if variants in genes RFK, FAD, SDHB and CYC1 deviate from Hardy-Weinberg Equilibrium (HWE) in different human mitochondrial haplogroups. METHODS Sequence variants in genes RFK, FAD, SDHB and CYC1 of 2,504 non-affected individuals of the 1,000 genomes project were used for mitochondrial haplogroup assessment and HWE calculations in different mitochondrial haplogroups. RESULTS We show that RFK variants deviate from HWE in haplogroups G, H, L, V and W, variants of FAD in haplogroups B, J, L, U, and C, variants of SDHB in relation to the C, W, and A and CYC1 variants in B, L, U, D, and T. HWE deviation indicates action of selective pressures and genetic drift. CONCLUSIONS HWE deviation of particular variants in relation to global populational HWE, could be, at least in part, associated with the differential susceptibility of specific populations and ethnicities to neurodegenerative diseases. Our data might contribute to the epidemiology and diagnostic/prognostic methods for neurodegenerative diseases.
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Affiliation(s)
- Sheida Mehrpour
- Departamento de Neurologia e Neurocirurgia, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Camila Ronqui Rodrigues
- Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Renata Carmona Ferreira
- Departamento de Neurologia e Neurocirurgia, Universidade Federal de São Paulo, São Paulo, SP, Brazil.,Bridges Genomics, São Paulo SP, Brazil
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Solar Fernandez V, Cipolletti M, Ascenzi P, Marino M, Fiocchetti M. Neuroglobin As Key Mediator in the 17β-Estradiol-Induced Antioxidant Cell Response to Oxidative Stress. Antioxid Redox Signal 2020; 32:217-227. [PMID: 31686530 DOI: 10.1089/ars.2019.7870] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Aims: Nuclear factor (erythroid-derived 2)-like-2 factor (NRF-2) is a transcription factor well known to provide an advantage for cancer growth and survival regulating the cellular redox pathway. In breast cancer cells, we recently identified the monomeric heme-globin neuroglobin (NGB) as part of a new mechanism induced by the steroid hormone 17β-estradiol (E2) against oxidative stress. While there is mounting evidence suggesting a critical role of NGB as a sensor of oxidative stress, scarce information is available about its involvement in NRF-2 pathway activation in breast cancer cells. Results: Although NGB is not involved in the rapid E2-induced NRF-2 stability, E2 loses the capacity to regulate the expression of NRF-2-dependent genes in NGB-depleted MCF-7 cells. These data strongly sustain a role of NGB as a compensatory protein in the E2-activated intracellular pathway devoted to the increase of cancer cells tolerance to reactive oxygen species (ROS) generation in stressing conditions acting as key regulator of NRF-2 pathway activity in a time-dependent manner. Innovation: In this study, we identified a new role of NGB in the cell response to oxidative stress. Conclusion: Altogether, reported results open new insights on the NGB effect in regulating intracellular pathways related to cell adaptive response to stress and, as consequence, to cell survival, beyond its direct effect as ROS scavenger, opening new prospective in cancer therapeutic intervention.
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Affiliation(s)
| | | | - Paolo Ascenzi
- Interdepartmental Laboratory for Electron Microscopy, University Roma Tre, Roma, Italy
| | - Maria Marino
- Department of Science, University Roma Tre, Roma, Italy
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14
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Liu N, Yu Z, Xun Y, Shu P, Yue Y, Yuan S, Jiang Y, Huang Z, Yang X, Feng X, Xiang S, Wang X. Amyloid-β25-35 Upregulates Endogenous Neuroprotectant Neuroglobin via NFκB Activation in vitro. J Alzheimers Dis 2019; 64:1163-1174. [PMID: 30010125 DOI: 10.3233/jad-180163] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Neuroglobin (Ngb) has been reported to be increased in early and moderately advanced Alzheimer's disease (AD) stages but declined in the severe stage. However, its regulatory mechanisms and pathophysiological roles in the disease remain to be defined. In this study, we found that Ngb expression was significantly upregulated by low dose Aβ25-35, the neurotoxic fragment of Aβ1 - 40 and Aβ1 - 42, but was not further increased by a higher dose of Aβ25-35. Mutation analysis and supershift assay demonstrated that transcription factor Nuclear Factor κB (NFκB), κB2 and κB3 sites located in mouse Ngb promoter region were involved in dynamic regulation of Ngb expression in response to different doses of Aβ25-35 stimulation. In addition, we found that suppression of endogenous Ngb expression exacerbated Aβ25-35-induced neuronal cell death and mitochondrial dysfunction. Our results indicate that endogenous Ngb expression may be upregulated by low dose Aβ25-35, which is responsible for protecting against Aβ25-35-mediated neurotoxicity. These experimental findings suggest that upregulation of endogenous Ngb expression might be an effective intervention approach for AD.
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Affiliation(s)
- Ning Liu
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha, China.,Neuroprotection Research Laboratory, Departments of Neurology and Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Zhanyang Yu
- Neuroprotection Research Laboratory, Departments of Neurology and Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Yu Xun
- Key Laboratory of Protein Chemistry and Development Biology of State Education Ministry of China, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Pan Shu
- Key Laboratory of Protein Chemistry and Development Biology of State Education Ministry of China, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Yiwei Yue
- School of Clinical Medicine, Zhengzhou University, Zhengzhou, China.,Neuroprotection Research Laboratory, Departments of Neurology and Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Shishan Yuan
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha, China
| | - Yinghua Jiang
- Neuroprotection Research Laboratory, Departments of Neurology and Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Zixuan Huang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha, China
| | - Xiaoping Yang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha, China
| | - Xing Feng
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine, Hunan Normal University, Changsha, China
| | - Shuanglin Xiang
- Key Laboratory of Protein Chemistry and Development Biology of State Education Ministry of China, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Xiaoying Wang
- Neuroprotection Research Laboratory, Departments of Neurology and Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
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15
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Fiocchetti M, Fernandez VS, Montalesi E, Marino M. Neuroglobin: A Novel Player in the Oxidative Stress Response of Cancer Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:6315034. [PMID: 31354909 PMCID: PMC6636438 DOI: 10.1155/2019/6315034] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 06/11/2019] [Indexed: 12/18/2022]
Abstract
Reactive oxygen species (ROS) result from intracellular aerobic metabolism and/or extracellular stimuli. Although endogenous antioxidant systems exquisitely balance ROS production, an excess of ROS production, commonly found in diverse human degenerative pathologies including cancer, gives rise to the oxidative stress. Increased oxidative stress in cancer is related to the sustained proliferation and metabolism of cancer cells. However, cancer cells show an intrinsic higher antioxidant capacity with respect to the normal counterpart as well as an ability to cope with oxidative stress-induced cell death by establishing mechanisms of adaptation, which define a selective advantage against the adverse oxidative stress environment. The identification of survival factors and adaptive pathways, set up by cancer cells against oxidative stress, provides multiple targets for the therapeutic intervention against cancer. Neuroglobin (NGB), a globin primarily described in neurons as an oxidative stress sensor and cytoprotective factor against redox imbalance, has been recently recognized as a novel tumor-associated protein. In this review, the involvement of NGB in the cancer cell adaptation and resistance to oxidative stress will be discussed highlighting the globin role in the regulation of both the stress-induced apoptotic pathway and antioxidant systems activated by cancer cells.
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Affiliation(s)
- Marco Fiocchetti
- Department of Science, University Roma Tre, Viale Guglielmo Marconi 446, I-00146 Roma, Italy
| | | | - Emiliano Montalesi
- Department of Science, University Roma Tre, Viale Guglielmo Marconi 446, I-00146 Roma, Italy
| | - Maria Marino
- Department of Science, University Roma Tre, Viale Guglielmo Marconi 446, I-00146 Roma, Italy
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16
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Yang F, Shan Y, Tang Z, Wu X, Bi C, Zhang Y, Gao Y, Liu H. The Neuroprotective Effect of Hemin and the Related Mechanism in Sevoflurane Exposed Neonatal Rats. Front Neurosci 2019; 13:537. [PMID: 31191229 PMCID: PMC6546893 DOI: 10.3389/fnins.2019.00537] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 05/08/2019] [Indexed: 01/05/2023] Open
Abstract
Background Many studies have reported that sevoflurane can increase neuronal apoptosis and result in cognitive deficits in rodents. Although neurotoxicity may be associated with mitochondrial dysfunction and oxidative stress, the exact mechanism remains unclear. In order to evaluate potential treatment therapies, we studied the effects of hemin on neurotoxicity of neonatal rat sevoflurane exposure. Methods Postnatal day (P) seven rats were assigned randomly to four groups; (1) group C: non-anesthesia, (2) group H: intraperitoneal hemin (50 mg kg-1) treatment on days 5 and 6, (3) group S: 3% sevoflurane exposure for 4 h, and (4) group SH: hemin treatment + sevoflurane exposure. The expression of neuroglobin in neonatal hippocampus was determined by western blot and immunohistochemistry. Neuroglobin was localized by immunofluorescence. Western blot for the expression of cleaved caspase-3 and TUNEL were used to detect neonatal hippocampal apoptosis, and cytochrome c was used to evaluate mitochondrial function. Drp-1 and Mfn-2 immunoblotting were used to assess mitochondrial dynamics. The Morris water maze test was performed to detect cognitive function in the rats on P30. Results Exposure to sevoflurane increased the expression of cleaved caspase-3, cytochrome c, and Drp1 in the neonatal hippocampus and resulted in cognitive deficiency but decreased expression of Mfn2. Hemin reduced apoptosis, improved mitochondrial dynamics and ameliorated the cognitive impairment caused by sevoflurane exposure. Conclusion Hemin reduced neuronal apoptosis, improved mitochondrial dynamics and protected against cognitive deficits induced by sevoflurane in neonatal rats. This neuroprotective effect may be achieved by increasing the expression of neuroglobin.
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Affiliation(s)
- Fan Yang
- Department of Anesthesiology, Shengjing Hospital, China Medical University, Shenyang, China
| | - Yangyang Shan
- Department of Anesthesiology, Shengjing Hospital, China Medical University, Shenyang, China
| | - Zhiyin Tang
- Department of Anesthesiology, Shengjing Hospital, China Medical University, Shenyang, China
| | - Xiuying Wu
- Department of Anesthesiology, Shengjing Hospital, China Medical University, Shenyang, China
| | - Congjie Bi
- Department of Anesthesiology, Dalian Central Hospital, Dalian, China
| | - Yongfang Zhang
- Department of Anesthesiology, Shengjing Hospital, China Medical University, Shenyang, China
| | - Yan Gao
- Department of Anesthesiology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, China
| | - Hongtao Liu
- Department of Anesthesiology, Shengjing Hospital, China Medical University, Shenyang, China.,Department of Anesthesiology, Dalian Central Hospital, Dalian, China.,Department of Anesthesiology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, China
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17
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Mitochondrial Neuroglobin Is Necessary for Protection Induced by Conditioned Medium from Human Adipose-Derived Mesenchymal Stem Cells in Astrocytic Cells Subjected to Scratch and Metabolic Injury. Mol Neurobiol 2018; 56:5167-5187. [PMID: 30536184 DOI: 10.1007/s12035-018-1442-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 11/29/2018] [Indexed: 12/27/2022]
Abstract
Astrocytes are specialized cells capable of regulating inflammatory responses in neurodegenerative diseases or traumatic brain injury. In addition to playing an important role in neuroinflammation, these cells regulate essential functions for the preservation of brain tissue. Therefore, the search for therapeutic alternatives to preserve these cells and maintain their functions contributes in some way to counteract the progress of the injury and maintain neuronal survival in various brain pathologies. Among these strategies, the conditioned medium from human adipose-derived mesenchymal stem cells (CM-hMSCA) has been reported with a potential beneficial effect against several neuropathologies. In this study, we evaluated the potential effect of CM-hMSCA in a model of human astrocytes (T98G cells) subjected to scratch injury. Our findings demonstrated that CM-hMSCA regulates the cytokines IL-2, IL-6, IL-8, IL-10, GM-CSF, and TNF-α, downregulates calcium at the cytoplasmic level, and regulates mitochondrial dynamics and the respiratory chain. These actions are accompanied by modulation of the expression of different proteins involved in signaling pathways such as AKT/pAKT and ERK1/2/pERK, and may mediate the localization of neuroglobin (Ngb) at the cellular level. We also confirmed that Ngb mediated the protective effects of CM-hMSCA through regulation of proteins involved in survival pathways and oxidative stress. In conclusion, regulation of brain inflammation combined with the recovery of fundamental cellular aspects in the face of injury makes CM-hMSCA a promising candidate for the protection of astrocytes in brain pathologies.
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18
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Gan SY, Wong LZ, Wong JW, Tan EL. Fucosterol exerts protection against amyloid β-induced neurotoxicity, reduces intracellular levels of amyloid β and enhances the mRNA expression of neuroglobin in amyloid β-induced SH-SY5Y cells. Int J Biol Macromol 2018; 121:207-213. [PMID: 30300695 DOI: 10.1016/j.ijbiomac.2018.10.021] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 10/01/2018] [Accepted: 10/05/2018] [Indexed: 02/06/2023]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease that leads to progressive loss of neurons which often results in deterioration of memory and cognitive function. The development of AD is highly associated with the formation of senile plaques and neurofibrillary tangles. Amyloid β (Aβ) induces neurotoxicity and contributes to the development of AD. Recent evidences also highlighted the importance of neuroglobin (Ngb) in ameliorating AD. This study assessed the ability of fucosterol, a phytosterol found in brown alga, in protecting SH-SY5Y cells against Aβ-induced neurotoxicity. Its effects on the mRNA levels of APP and Ngb as well as the intracellular Aβ levels were also determined in Aβ-induced SH-SY5Y cells. SH-SY5Y cells were exposed to fucosterol prior to Aβ treatment. The effect on apoptosis was determined using Annexin V FITC staining and mRNA expression was studied using RT-PCR. Flow cytometry confirmed the protective effects of fucosterol on SH-SY5Y cells against Aβ-induced apoptosis. Pretreatment with fucosterol increased the Ngb mRNA levels but reduced the levels of APP mRNA and intracellular Aβ in Aβ-induced SH-SY5Y cells. These observations demonstrated the protective properties of fucosterol against Aβ-induced neurotoxicity in neuronal cells.
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Affiliation(s)
- Sook Yee Gan
- Department of Life Science, School of Pharmacy, International Medical University, 126 Jalan Jalil Perkasa 19, Bukit Jalil, 57000 Kuala Lumpur, Malaysia.
| | - Li Zhe Wong
- School of Postgraduate Studies, International Medical University, Jalan Jalil Perkasa 19, 57000 Kuala Lumpur, Malaysia
| | - Jia Wun Wong
- BPharm, School of Pharmacy, International Medical University, 126 Jalan Jalil Perkasa 19, Bukit Jalil, 57000 Kuala Lumpur, Malaysia
| | - Eng Lai Tan
- Department of Life Science, School of Pharmacy, International Medical University, 126 Jalan Jalil Perkasa 19, Bukit Jalil, 57000 Kuala Lumpur, Malaysia
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19
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Neuroglobin promotes neurogenesis through Wnt signaling pathway. Cell Death Dis 2018; 9:945. [PMID: 30237546 PMCID: PMC6147998 DOI: 10.1038/s41419-018-1007-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 07/14/2018] [Accepted: 07/30/2018] [Indexed: 12/12/2022]
Abstract
Neuroglobin (Ngb) has been demonstrated by our lab and others to be neuroprotective against neurological disorders including stroke. However, the roles of Ngb in neurogenesis remain elusive. Neurogenesis can occur in adulthood and can be induced by pathological conditions in the brain such as stroke, and significantly contributes to functional recovery, thus enhancing endogenous neurogenesis may be a promising therapeutic strategy for neurodegenerative diseases. In this study we aimed to investigate the roles of Ngb in neurogenesis using Lentivirus overexpressing Ngb (Lv-Ngb). We show that Ngb overexpression promoted the proliferation of neural progenitor cells (NPC) marked by increased neurosphere number and size. Ngb overexpression also enhanced neuronal differentiation of cultured NPC under differentiation conditions. Moreover, subventricular injection of Lv-Ngb in mice after middle cerebral artery occlusion (MCAO) increased PSA-NCAM positive neuroblasts and Tuj1 positive immature neurons, suggesting that Ngb overexpression promotes neurogenesis in mice brain after stroke. We further show that the pro-neurogenesis effect of Ngb overexpression might be mediated through Dvl1 up-regulation, and subsequent activation of Wnt signaling, indicated by increased nuclear localization of beta-catenin. These results suggest that Ngb may play an important role in promoting neurogenesis in neurodegenerative diseases such as stroke, which may eventually benefit the development of stroke therapeutics targeting neurogenesis through Ngb upregulation.
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Tiwari PB, Chapagain PP, Üren A. Investigating molecular interactions between oxidized neuroglobin and cytochrome c. Sci Rep 2018; 8:10557. [PMID: 30002427 PMCID: PMC6043506 DOI: 10.1038/s41598-018-28836-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 07/02/2018] [Indexed: 11/17/2022] Open
Abstract
The formation of a complex between neuroglobin (Ngb) and cytochrome c (Cyt c) has an important biological role in preventing apoptosis. Binding of Ngb to Cyt c alone is sufficient to block the caspase 9 activation by ferric Cyt c that is released during ischemic insults. Therefore, a detailed information on the Ngb-Cyt c interactions is important for understanding apoptosis. However, the exact nature of the interactions between oxidized human neuroglobin (hNgb) and Cyt c is not well understood. In this work, we used a combination of computational modeling and surface plasmon resonance experiments to obtain and characterize the complex formation between oxidized hNgb and Cyt c. We identified important residues involved in the complex formation, including K72 in Cyt c, which is otherwise known to interact with the apoptotic protease-activation factor-1. Our computational results, together with an optimized structure of the hNgb-Cyt c complex, provide unique insights into how the hNgb-Cyt c complex can abate the apoptotic cascade without an hNgb-Cyt c redox reaction.
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Affiliation(s)
| | - Prem P Chapagain
- Department of Physics, Florida International University, Miami, FL, USA
- Biomolecular Sciences Institute, Florida International University, Miami, FL, USA
| | - Aykut Üren
- Department of Oncology, Georgetown University, Washington D.C., USA
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21
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Van Acker ZP, Luyckx E, Dewilde S. Neuroglobin Expression in the Brain: a Story of Tissue Homeostasis Preservation. Mol Neurobiol 2018; 56:2101-2122. [DOI: 10.1007/s12035-018-1212-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 06/26/2018] [Indexed: 12/19/2022]
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Novel Homozygous Variant in TTC19 Causing Mitochondrial Complex III Deficiency with Recurrent Stroke-Like Episodes: Expanding the Phenotype. Semin Pediatr Neurol 2018; 26:16-20. [PMID: 29961508 DOI: 10.1016/j.spen.2018.04.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A 7-year-old boy with family history of consanguinity presented with developmental delay and recurrent hemiplegia involving both sides of the body, with variable facial and ocular involvement. Brain MRI showed bilateral striatal necrosis with cystic degeneration and lactate peaks on spectroscopy. Biochemical testing demonstrated mildly elevated lactate and pyruvate. Whole-exome sequencing revealed a novel homozygous pathogenic frameshift mutation in gene TTC19, diagnostic of mitochondrial complex III deficiency.
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Nair D, Ramesh V, Gozal D. Cognitive Deficits Are Attenuated in Neuroglobin Overexpressing Mice Exposed to a Model of Obstructive Sleep Apnea. Front Neurol 2018; 9:426. [PMID: 29922222 PMCID: PMC5996123 DOI: 10.3389/fneur.2018.00426] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 05/22/2018] [Indexed: 12/11/2022] Open
Abstract
Background: Obstructive sleep apnea (OSA) is a highly prevalent disease manifesting as intermittent hypoxia during sleep (IH) and is increasingly recognized as being independently associated with neurobehavioral deficits. These deficits may be due to increased apoptosis in the hippocampus and cerebral cortex, as well as increased oxidative stress and inflammation. It has been reported that neuroglobin (Ngb) is upregulated in response to hypoxia-ischemia insults and exhibits a protective role in ischemia-reperfusion brain injury. We hypothesized that transgenic overexpression of Ngb would attenuate spatial learning deficits in a murine model of OSA. Methods:Wild-type mice and Ngb overexpressing male mice (Ngb-TG) were randomly assigned to either IH or room air (RA) exposures. The effects of IH during the light period on performance in a water maze spatial task were assessed, as well as anxiety and depressive-like behaviors using elevated plus maze (EPM) and forced swim tests. Cortical tissues from all the mice were extracted for biochemical studies for lipid peroxidation. Results:Ngb TG mice exhibited increased Ngb immunoreactivity in brain tissues and IH did not elicit significant changes in Ngb expression in either Ngb-TG mice or WT mice. On a standard place training task in the water maze, Ngb-TG mice displayed preserved spatial learning, and were protected from the reduced spatial learning performances observed in WT mice exposed to IH. Furthermore, anxiety and depression levels were enhanced in WT mice exposed to IH as compared to RA controls, while alterations emerged in Ngb-TG mice exposed to IH. Furthermore, WT mice, but not Ngb-TG mice had significantly elevated levels of malondialdehyde in cortical lysates following IH exposures. Conclusions:In a murine model of OSA, oxidative stress responses and neurocognitive and behavioral impairments induced by IH during sleep are attenuated by the neuroprotective effects of Ngb.
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Affiliation(s)
- Deepti Nair
- Section of Sleep Medicine, Biological Sciences Division, Department of Pediatrics, Pritzker School of Medicine, The University of Chicago, Chicago, IL, United States.,Atlantic Health System, Morristown, NJ, United States.,Biomedical Research Institute of New Jersey, Cedar Knolls, NJ, United States
| | - Vijay Ramesh
- Section of Sleep Medicine, Biological Sciences Division, Department of Pediatrics, Pritzker School of Medicine, The University of Chicago, Chicago, IL, United States
| | - David Gozal
- Section of Sleep Medicine, Biological Sciences Division, Department of Pediatrics, Pritzker School of Medicine, The University of Chicago, Chicago, IL, United States
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Neuroglobin mediates neuroprotection of hypoxic postconditioning against transient global cerebral ischemia in rats through preserving the activity of Na +/K + ATPases. Cell Death Dis 2018; 9:635. [PMID: 29802248 PMCID: PMC5970211 DOI: 10.1038/s41419-018-0656-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Revised: 04/09/2018] [Accepted: 05/02/2018] [Indexed: 01/11/2023]
Abstract
Hypoxic postconditioning (HPC) is an innovative neuroprotective strategy with cytoprotective effects on the hippocampal neurons against transient global cerebral ischemia (tGCI) in adult rats. However, its molecular mechanisms have not yet been adequately elucidated. Neuroglobin (Ngb) is an endogenous neuroprotectant with hypoxia-inducible property, and its role in experimental stroke has been increasingly attractive. Hence, the purpose of this study is to explore the involvement of Ngb in HPC-mediated neuroprotection and to further investigate its underlying molecular mechanism. We found that HPC increased Ngb expression in CA1 subregion after tGCI. Also, the inhibition of Ngb expression with Ngb antisense oligodeoxynucleotide (AS-ODNs) eliminated the neuroprotective effect mediated by HPC, whereas overexpression of Ngb ameliorated neuronal damage in CA1 after tGCI, indicating that HPC conferred neuroprotective effects via upregulation of Ngb. We further showed that HPC increased the membranous level of Na+/K+ ATPases β1 subunit (Atp1b1) in CA1 after tGCI. Furthermore, we demonstrated that Ngb upregulation in CA1 after HPC maintained the membranous level of Atp1b1 through Ngb-Atp1b1 interaction and reduced the glutathionylation of membranous Atp1b1 via suppression of reactive oxygen species (ROS), ultimately preserving the activity of NKA. Taken together, these data indicate that Ngb is involved in the neuroprotection of HPC against tGCI via maintenance of NKA activity in the hippocampal CA1.
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Seto SW, Chang D, Kiat H, Wang N, Bensoussan A. Chinese Herbal Medicine as a Potential Treatment of Abdominal Aortic Aneurysm. Front Cardiovasc Med 2018; 5:33. [PMID: 29732374 PMCID: PMC5919947 DOI: 10.3389/fcvm.2018.00033] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 03/20/2018] [Indexed: 12/19/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is an irreversible condition where the abdominal aorta is dilated leading to potentially fatal consequence of aortic rupture. Multiple mechanisms are involved in the development and progression of AAA, including chronic inflammation, oxidative stress, vascular smooth muscle (VSMC) apoptosis, immune cell infiltration and extracellular matrix (ECM) degradation. Currently surgical therapies, including minimally invasive endovascular aneurysm repair (EVAR), are the only viable interventions for AAAs. However, these treatments are not appropriate for the majority of AAAs, which measure <50 mm. Substantial effort has been invested to identify and develop pharmaceutical treatments such as statins and doxycycline for this potentially lethal condition but these interventions failed to offer a cure or to retard the progression of AAA. Chinese herbal medicine (CHM) has been used for the management of cardiovascular diseases for thousands of years in China and other Asian countries. The unique multi-component and multi-target property of CHMs makes it a potentially ideal therapy for multifactorial diseases such as AAA. In this review, we review the current scientific evidence to support the use of CHMs for the treatment of AAA. Mechanisms of action underlying the effects of CHMs on AAA are also discussed.
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Affiliation(s)
- Sai Wang Seto
- NICM Health Research Institute, Western Sydney University, Penrith, Australia
| | - Dennis Chang
- NICM Health Research Institute, Western Sydney University, Penrith, Australia
| | - Hosen Kiat
- Faculty of Medicine, University of New South Wales, Sydney, Australia.,School of Medicine, Western Sydney University, Penrith, Australia.,Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia
| | - Ning Wang
- NICM Health Research Institute, Western Sydney University, Penrith, Australia.,Key Laboratory of Xin'an Medicine, Ministry of Education, Hefei, China.,College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China.,Institute for Pharmacodynamics and Safety Evaluation of Chinese Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Alan Bensoussan
- NICM Health Research Institute, Western Sydney University, Penrith, Australia
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Bellei M, Bortolotti CA, Di Rocco G, Borsari M, Lancellotti L, Ranieri A, Sola M, Battistuzzi G. The influence of the Cys46/Cys55 disulfide bond on the redox and spectroscopic properties of human neuroglobin. J Inorg Biochem 2018; 178:70-86. [DOI: 10.1016/j.jinorgbio.2017.10.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 09/21/2017] [Accepted: 10/09/2017] [Indexed: 12/21/2022]
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Shao Z, Wang L, Liu S, Wang X. Tetramethylpyrazine Protects Neurons from Oxygen-Glucose Deprivation-Induced Death. Med Sci Monit 2017; 23:5277-5282. [PMID: 29104282 PMCID: PMC5685034 DOI: 10.12659/msm.904554] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Background To explore the theoretical basis for protecting the brain from ischemic stroke with tetramethylpyrazine, we studied whether and how tetramethylpyrazine could protect neurons against the oxygen-glucose deprivation (OGD)-induced death and whether transient receptor potential cation channel, subfamily C, member 6 (TRPC6) was involved. Material/Methods Primary rat cortical neurons were cultured and an OGD model was established in the presence or absence of tetramethylpyrazine. Neuronal death was assessed by measuring the uptake of membrane-impermeable PI. Western blot analysis was used to determine the protein expressions of TRPC6 and caspase-3. The involvement of TRPC6 was tested via RNAi against TRPC6. Results OGD-induced neuronal death was decreased by tetramethylpyrazine in a concentration-dependent manner. The expression of TRPC6 protein was decreased by OGD. Furthermore, downregulating TRPC6 by RNA interfering mimicked the effect of OGD in neuronal death. Tetramethylpyrazine attenuated OGD-induced TRPC6 downregulation in a tetramethylpyrazine concentration-dependent manner. However, these effects of tetramethylpyrazine on attenuating OGD-induced neuronal death were abolished by TRPC6 RNAi. Conclusions Tetramethylpyrazine can protect neurons from oxygen-glucose deprivation-induced death, possibly via TRPC6.
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Affiliation(s)
- Zhengkai Shao
- Department of Minimally Invasive Neurosurgery, Fourth Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China (mainland).,Heilongjiang Medical Science Institute, Harbin, Heilongjiang, China (mainland)
| | - Lijun Wang
- Department of Neurosurgery, Hongqi Hospital, Mudanjiang Medical University, Aimin District, Mudanjiang, Heilongjiang, China (mainland)
| | - Shuang Liu
- Department of Minimally Invasive Neurosurgery, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China (mainland)
| | - Xuefeng Wang
- Department of Minimally Invasive Neurosurgery, Fourth Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China (mainland)
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28
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Fiocchetti M, Cipolletti M, Brandi V, Polticelli F, Ascenzi P. Neuroglobin and friends. J Mol Recognit 2017; 30. [DOI: 10.1002/jmr.2654] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 06/05/2017] [Accepted: 06/14/2017] [Indexed: 01/02/2023]
Affiliation(s)
| | | | | | - Fabio Polticelli
- Dipartimento di Scienze; Università Roma Tre; Rome Italy
- Istituto Nazionale di Fisica Nucleare; Sezione dell'Università Roma Tre; Rome Italy
| | - Paolo Ascenzi
- Laboratorio Interdipartimentale di Microscopia Elettronica; Università Roma Tre; Rome Italy
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29
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Cwerman-Thibault H, Lechauve C, Augustin S, Roussel D, Reboussin É, Mohammad A, Degardin-Chicaud J, Simonutti M, Liang H, Brignole-Baudouin F, Maron A, Debeir T, Corral-Debrinski M. Neuroglobin Can Prevent or Reverse Glaucomatous Progression in DBA/2J Mice. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2017; 5:200-220. [PMID: 28540323 PMCID: PMC5430497 DOI: 10.1016/j.omtm.2017.04.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 04/21/2017] [Indexed: 01/12/2023]
Abstract
Mitochondrial dysfunction is responsible for hereditary optic neuropathies. We wished to determine whether preserving mitochondrial bioenergetics could prevent optic neuropathy in a reliable model of glaucoma. DBA/2J mice exhibit elevated intraocular pressure, progressive degeneration of their retinal ganglion cells, and optic neuropathy that resembles glaucoma. We established that glaucoma in these mice is directly associated with mitochondrial dysfunction: respiratory chain activity was compromised in optic nerves 5 months before neuronal loss began, and the amounts of some mitochondrial proteins were reduced in retinas of glaucomatous mice. One of these proteins is neuroglobin, which has a neuroprotective function. Therefore, we investigated whether gene therapy aimed at restoring neuroglobin levels in the retina via ocular administration of an adeno-associated viral vector could reduce neuronal degeneration. The approach of treating 2-month-old mice impeded glaucoma development: few neurons died and respiratory chain activity and visual cortex activity were comparable to those in young, asymptomatic mice. When the treatment was performed in 8-month-old mice, the surviving neurons acquired new morphologic and functional properties, leading to the preservation of visual cortex activity and respiratory chain activity. The beneficial effects of neuroglobin in DBA/2J retinas confirm this protein to be a promising candidate for treating glaucoma.
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Affiliation(s)
- Hélène Cwerman-Thibault
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
- PROTECT, INSERM, Université Paris Diderot, Sorbonne Paris Cité, 75019 Paris, France
| | - Christophe Lechauve
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
- Department of Hematology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Sébastien Augustin
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
| | - Delphine Roussel
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
- Institut du Cerveau et de la Moelle Épinière, Hôpital Pitié Salpêtrière, 75013 Paris, France
| | - Élodie Reboussin
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
| | - Ammara Mohammad
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
- Genomic Paris Centre, Institut de Biologie de l’Ecole normale supérieure, 46 rue d’Ulm, 75230 Paris, France
| | - Julie Degardin-Chicaud
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
| | - Manuel Simonutti
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
| | - Hong Liang
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
- CHNO des Quinze-Vingts, DHU Sight Restore, INSERM-DHOS CIC, 28 rue de Charenton, 75012 Paris, France
| | - Françoise Brignole-Baudouin
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
| | - Anne Maron
- Sanofi-Aventis, 94400 Vitry-sur-Seine, France
| | - Thomas Debeir
- Departments of Evaluation and Expertise Strategy, Science Policy and External Innovation, Sanofi, 75008 Paris, France
| | - Marisol Corral-Debrinski
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
- PROTECT, INSERM, Université Paris Diderot, Sorbonne Paris Cité, 75019 Paris, France
- Corresponding author: Marisol Corral-Debrinski, PROTECT, INSERM (UMR1141), Université Paris Diderot, Sorbonne Paris Cité, 48 Boulevard Sérurier, 75019 Paris, France.
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30
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Baez-Jurado E, Vega GG, Aliev G, Tarasov VV, Esquinas P, Echeverria V, Barreto GE. Blockade of Neuroglobin Reduces Protection of Conditioned Medium from Human Mesenchymal Stem Cells in Human Astrocyte Model (T98G) Under a Scratch Assay. Mol Neurobiol 2017; 55:2285-2300. [PMID: 28332151 DOI: 10.1007/s12035-017-0481-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 03/03/2017] [Indexed: 12/25/2022]
Abstract
Previous studies have indicated that paracrine factors (conditioned medium) increase wound closure and reduce reactive oxygen species in a traumatic brain injury in vitro model. Although the beneficial effects of conditioned medium from human adipose tissue-derived mesenchymal stem cells (hMSCA-CM) have been previously suggested for various neurological diseases, their actions on astrocytic cells are not well understood. In this study, we have explored the effect of hMSCA-CM on human astrocyte model (T98G cells) subjected to scratch assay. Our results indicated that hMSCA-CM improved cell viability, reduced nuclear fragmentation, attenuated the production of reactive oxygen species, and preserved mitochondrial membrane potential and ultrastructural parameters. In addition, hMSCA-CM upregulated neuroglobin in T98G cells and the genetic silencing of this protein prevented the protective action of hMSCA-CM on damaged cells, suggesting that neuroglobin is mediating, at least in part, the protective effect of hMSCA-CM. Overall, this evidence suggests that the use of hMSCA-CM is a promising therapeutic strategy for the protection of astrocytic cells in central nervous system (CNS) pathologies.
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Affiliation(s)
- Eliana Baez-Jurado
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, DC, Colombia
| | - Gina Guio Vega
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, DC, Colombia
| | - Gjumrakch Aliev
- Institute of Physiologically Active Compounds Russian Academy of Sciences, Chernogolovka, 142432, Russia
- GALLY International Biomedical Research Consulting LLC, San Antonio, TX, 78229, USA
- School of Health Science and Healthcare Administration, University of Atlanta, Johns Creek, GA, 30097, USA
| | - Vadim V Tarasov
- Institute of Pharmacy and Translational Medicine, Sechenov First Moscow State Medical University, 2-4 Bolshaya Pirogovskaya st., 119991, Moscow, Russia
| | - Paula Esquinas
- Facultad Medicina Veterinaria y Zootecnia, Universidad Nacional de Colombia, Bogotá, Colombia
| | - Valentina Echeverria
- Facultad Ciencias de la Salud, Universidad San Sebastián, Lientur 1457, 4030000, Concepción, Chile
| | - George E Barreto
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, DC, Colombia.
- Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Santiago, Chile.
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31
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Ascenzi P, di Masi A, Leboffe L, Fiocchetti M, Nuzzo MT, Brunori M, Marino M. Neuroglobin: From structure to function in health and disease. Mol Aspects Med 2016; 52:1-48. [DOI: 10.1016/j.mam.2016.10.004] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Revised: 10/27/2016] [Accepted: 10/27/2016] [Indexed: 01/01/2023]
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32
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Trashin S, de Jong M, Luyckx E, Dewilde S, De Wael K. Electrochemical Evidence for Neuroglobin Activity on NO at Physiological Concentrations. J Biol Chem 2016; 291:18959-66. [PMID: 27402851 DOI: 10.1074/jbc.m116.730176] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Indexed: 11/06/2022] Open
Abstract
The true function of neuroglobin (Ngb) and, particularly, human Ngb (NGB) has been under debate since its discovery 15 years ago. It has been expected to play a role in oxygen binding/supply, but a variety of other functions have been put forward, including NO dioxygenase activity. However, in vitro studies that could unravel these potential roles have been hampered by the lack of an Ngb-specific reductase. In this work, we used electrochemical measurements to investigate the role of an intermittent internal disulfide bridge in determining NO oxidation kinetics at physiological NO concentrations. The use of a polarized electrode to efficiently interconvert the ferric (Fe(3+)) and ferrous (Fe(2+)) forms of an immobilized NGB showed that the disulfide bridge both defines the kinetics of NO dioxygenase activity and regulates appearance of the free ferrous deoxy-NGB, which is the redox active form of the protein in contrast to oxy-NGB. Our studies further identified a role for the distal histidine, interacting with the hexacoordinated iron atom of the heme, in oxidation kinetics. These findings may be relevant in vivo, for example, in blocking apoptosis by reduction of ferric cytochrome c, and gentle tuning of NO concentration in the tissues.
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Affiliation(s)
| | | | - Evi Luyckx
- Biomedical Sciences, University of Antwerp, 2010 Antwerp, Belgium
| | - Sylvia Dewilde
- Biomedical Sciences, University of Antwerp, 2010 Antwerp, Belgium
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33
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Ragy M, Ali F, Ramzy MM. Effect of Hemin on Brain Alterations and Neuroglobin Expression in Water Immersion Restraint Stressed Rats. SCIENTIFICA 2016; 2016:7825396. [PMID: 27073715 PMCID: PMC4814697 DOI: 10.1155/2016/7825396] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 02/13/2016] [Accepted: 02/23/2016] [Indexed: 06/05/2023]
Abstract
In the brain, the heme oxygenase (HO) system has been reported to be very active and its modulation seems to play a crucial role in the pathophysiology of neurodegenerative disorders. Hemin as HO-1 inducer has been shown to attenuate neuronal injury so the goal of this study was to assess the effect of hemin therapy on the acute stress and how it would modulate neurological outcome. Thirty male albino rats were divided into three groups: control group and stressed group with six-hour water immersion restraint stress (WIRS) and stressed group, treated with hemin, in which each rat received a single intraperitoneal injection of hemin at a dose level of 50 mg/kg body weight at 12 hours before exposure to WIRS. Stress hormones, oxidative stress markers, malondialdehyde (MDA), and total antioxidant capacity (TAC) were measured and expressions of neuroglobin and S100B mRNA in brain tissue were assayed. Our results revealed that hemin significantly affects brain alterations induced by acute stress and this may be through increased expression of neuroglobin and through antioxidant effect. Hemin decreased blood-brain barrier damage as it significantly decreased the expression of S100B. These results suggest that hemin may be an effective therapy for being neuroprotective against acute stress.
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Affiliation(s)
- Merhan Ragy
- Physiology Department, Faculty of Medicine, Minia University, Misr-Aswan Road, El-Minia 61519, Egypt
| | - Fatma Ali
- Physiology Department, Faculty of Medicine, Minia University, Misr-Aswan Road, El-Minia 61519, Egypt
| | - Maggie M. Ramzy
- Biochemistry Department, Faculty of Medicine, Minia University, Misr-Aswan Road, El-Minia 61519, Egypt
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