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Reyes-Corral M, Gil-González L, González-Díaz Á, Tovar-Luzón J, Ayuso MI, Lao-Pérez M, Montaner J, de la Puerta R, Fernández-Torres R, Ybot-González P. Pretreatment with oleuropein protects the neonatal brain from hypoxia-ischemia by inhibiting apoptosis and neuroinflammation. J Cereb Blood Flow Metab 2024:271678X241270237. [PMID: 39157939 DOI: 10.1177/0271678x241270237] [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: 08/20/2024]
Abstract
Hypoxic-ischemic (HI) encephalopathy is a cerebrovascular injury caused by oxygen deprivation to the brain and remains a major cause of neonatal mortality and morbidity worldwide. Therapeutic hypothermia is the current standard of care but it does not provide complete neuroprotection. Our aim was to investigate the neuroprotective effect of oleuropein (Ole) in a neonatal (seven-day-old) mouse model of HI. Ole, a secoiridoid found in olive leaves, has previously shown to reduce damage against cerebral and other ischemia/reperfusion injuries. Here, we administered Ole as a pretreatment prior to HI induction at 20 or 100 mg/kg. A week after HI, Ole significantly reduced the infarct area and the histological damage as well as white matter injury, by preserving myelination, microglial activation and the astroglial reactive response. Twenty-four hours after HI, Ole reduced the overexpression of caspase-3 and the proinflammatory cytokines IL-6 and TNF-α. Moreover, using UPLC-MS/MS we found that maternal supplementation with Ole during pregnancy and/or lactation led to the accumulation of its metabolite hydroxytyrosol in the brains of the offspring. Overall, our results indicate that pretreatment with Ole confers neuroprotection and can prevent HI-induced brain damage by modulating apoptosis and neuroinflammation.
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Affiliation(s)
- Marta Reyes-Corral
- Institute of Biomedicine of Seville (IBiS), CSIC-US-Junta de Andalucía (SAS), Seville, Spain
| | - Laura Gil-González
- Institute of Biomedicine of Seville (IBiS), CSIC-US-Junta de Andalucía (SAS), Seville, Spain
| | - Ángela González-Díaz
- Institute of Biomedicine of Seville (IBiS), CSIC-US-Junta de Andalucía (SAS), Seville, Spain
| | - Javier Tovar-Luzón
- Institute of Biomedicine of Seville (IBiS), CSIC-US-Junta de Andalucía (SAS), Seville, Spain
| | - María Irene Ayuso
- Institute of Biomedicine of Seville (IBiS), CSIC-US-Junta de Andalucía (SAS), Seville, Spain
- CIBERSAM, ISCIII (Spanish Network for Research in Mental Health), Seville, Spain
| | - Miguel Lao-Pérez
- Institute of Biomedicine of Seville (IBiS), CSIC-US-Junta de Andalucía (SAS), Seville, Spain
| | - Joan Montaner
- Institute of Biomedicine of Seville (IBiS), CSIC-US-Junta de Andalucía (SAS), Seville, Spain
- Department of Neurology, Virgen Macarena University Hospital, Seville, Spain
| | - Rocío de la Puerta
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Seville, Spain
| | - Rut Fernández-Torres
- Departamento de Química Analítica, Facultad de Química, Universidad de Sevilla, Seville, Spain
| | - Patricia Ybot-González
- Institute of Biomedicine of Seville (IBiS), CSIC-US-Junta de Andalucía (SAS), Seville, Spain
- Spanish National Research Council (CSIC), Spain
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Owjfard M, Rahimian Z, Karimi F, Borhani-Haghighi A, Mallahzadeh A. A comprehensive review on the neuroprotective potential of resveratrol in ischemic stroke. Heliyon 2024; 10:e34121. [PMID: 39082038 PMCID: PMC11284444 DOI: 10.1016/j.heliyon.2024.e34121] [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: 10/09/2023] [Revised: 06/07/2024] [Accepted: 07/03/2024] [Indexed: 08/02/2024] Open
Abstract
Stroke is the second leading cause of death and the third leading cause of disability worldwide. Globally, 68 % of all strokes are ischemic, with 32 % being hemorrhagic. Ischemic stroke (IS) poses significant challenges globally, necessitating the development of effective therapeutic strategies. IS is among the deadliest illnesses. Major functions are played by neuroimmunity, inflammation, and oxidative stress in the multiple intricate pathways of IS. Secondary brain damage is specifically caused by the early pro-inflammatory activity that follows cerebral ischemia, which is brought on by excessive activation of local microglia and the infiltration of circulating monocytes and macrophages. Resveratrol, a natural polyphenol found in grapes and berries, has shown promise as a neuroprotective agent in IS. This review offers a comprehensive overview of resveratrol's neuroprotective role in IS, focusing on its mechanisms of action and therapeutic potential. Resveratrol exerts neuroprotective effects by activating nuclear factor erythroid 2-related factor 2 (NRF2) and sirtuin 1 (SIRT1) pathways. SIRT1 activation by resveratrol triggers the deacetylation and activation of downstream targets like peroxisome proliferator-activated receptor-gamma coactivator 1 alpha (PGC-1α) and forkhead box protein O (FOXO), regulating mitochondrial biogenesis, antioxidant defense, and cellular stress response. Consequently, resveratrol promotes cellular survival and inhibits apoptosis in IS. Moreover, resveratrol activates the NRF2 pathway, a key mediator of the cellular antioxidant response. Activation of NRF2 through resveratrol enhances the expression of antioxidant enzymes, like heme oxygenase-1 (HO-1) and NAD(P)H quinone oxidoreductase 1 (NQO1), which neutralize reactive oxygen species and mitigate oxidative stress in the ischemic brain. Combined, the activation of SIRT1 and NRF2 pathways contributes to resveratrol's neuroprotective effects by reducing oxidative stress, inflammation, and apoptosis in IS. Preclinical studies demonstrate that resveratrol improves functional outcomes, reduces infarct size, regulates cerebral blood flow and preserves neuronal integrity. Gaining a comprehensive understanding of these mechanisms holds promise for the development of targeted therapeutic interventions aimed at promoting neuronal survival and facilitating functional recovery in IS patients and to aid future studies in this matter.
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Affiliation(s)
- Maryam Owjfard
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Rahimian
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | | | - Arashk Mallahzadeh
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Owjfard M, Rahimian Z, Ghaderpanah R, Rafiei E, Sadrian S, Sabaghan M, Karimi F. Therapeutic Effects of Intranasal Administration of Resveratrol on the Rat Model of Brain Ischemia. Heliyon 2024; 10:e32592. [PMID: 38952360 PMCID: PMC11215267 DOI: 10.1016/j.heliyon.2024.e32592] [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: 04/27/2023] [Revised: 05/16/2024] [Accepted: 06/05/2024] [Indexed: 07/03/2024] Open
Abstract
Background Resveratrol is a natural phenolic compound widely found in plants. Previous studies have suggested its neuroprotective role in cerebral ischemia due to its anti-oxidative, anti-inflammatory, and anti-apoptotic effects. Intranasal administration of resveratrol enhances its capacity to penetrate the blood-brain barrier, increasing therapeutic efficacy and safety. Objective We aimed to examine the therapeutic potential of intranasal administration of resveratrol treatment in rats exposed to cerebral ischemia. Methods Sixty-four male rats were divided into three groups: the sham group, which was exposed to only surgical stress; the vehicle and resveratrol groups, which received intranasal vehicle or 50 mg/kg resveratrol for 7 days following middle cerebral artery occlusion, respectively. We assessed the modified neurologic severity scores, wire hanging tests, blood-brain barrier disruption, brain water content, and infarct volume. Levels of matrix metalloproteinase-9, nuclear factor-kappa B, B-cell lymphoma protein 2, and B-cell lymphoma protein 2-associated X messenger RNA expression were examined. Results At 3- and 7-days post-ischemia, rats receiving intranasal resveratrol had lower modified neurological severity scores and a smaller brain infarct volume than the rats receiving vehicle. Additionally, the intranasal resveratrol-treated rats showed significantly prolonged wire-hanging performance at the 7-day mark post-ischemia compared to the vehicle group. The blood-brain barrier disruption and brain water content were significantly lower in the resveratrol group than in the vehicle group. Furthermore, the resveratrol-treated group displayed lower expression of Matrix Metalloproteinase-9 and Nuclear Factor-Kappa B in contrast to the vehicle group, while the difference in expression levels of B-cell lymphoma protein 2-associated X and B-cell lymphoma protein 2 were not significant. Conclusion Intranasal administration of resveratrol showed neuroprotective effects on ischemic stroke by improving neurobehavioral function, reducing blood-brain barrier disruption, cerebral edema, and infarct volume. This treatment also downregulated Matrix Metalloproteinase-9 and Nuclear Factor-Kappa B expression, indicating its potential as a therapeutic option for ischemic stroke.
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Affiliation(s)
- Maryam Owjfard
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Shiraz University of Applied Science and Technology (UAST), Shiraz, Iran
| | - Zahra Rahimian
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Rezvan Ghaderpanah
- Students Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Elahe Rafiei
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyedhassan Sadrian
- Students Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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Karafoulidou E, Kesidou E, Theotokis P, Konstantinou C, Nella MK, Michailidou I, Touloumi O, Polyzoidou E, Salamotas I, Einstein O, Chatzisotiriou A, Boziki MK, Grigoriadis N. Systemic LPS Administration Stimulates the Activation of Non-Neuronal Cells in an Experimental Model of Spinal Muscular Atrophy. Cells 2024; 13:785. [PMID: 38727321 PMCID: PMC11083572 DOI: 10.3390/cells13090785] [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: 02/29/2024] [Revised: 04/27/2024] [Accepted: 05/02/2024] [Indexed: 05/13/2024] Open
Abstract
Spinal muscular atrophy (SMA) is a neurodegenerative disease caused by deficiency of the survival motor neuron (SMN) protein. Although SMA is a genetic disease, environmental factors contribute to disease progression. Common pathogen components such as lipopolysaccharides (LPS) are considered significant contributors to inflammation and have been associated with muscle atrophy, which is considered a hallmark of SMA. In this study, we used the SMNΔ7 experimental mouse model of SMA to scrutinize the effect of systemic LPS administration, a strong pro-inflammatory stimulus, on disease outcome. Systemic LPS administration promoted a reduction in SMN expression levels in CNS, peripheral lymphoid organs, and skeletal muscles. Moreover, peripheral tissues were more vulnerable to LPS-induced damage compared to CNS tissues. Furthermore, systemic LPS administration resulted in a profound increase in microglia and astrocytes with reactive phenotypes in the CNS of SMNΔ7 mice. In conclusion, we hereby show for the first time that systemic LPS administration, although it may not precipitate alterations in terms of deficits of motor functions in a mouse model of SMA, it may, however, lead to a reduction in the SMN protein expression levels in the skeletal muscles and the CNS, thus promoting synapse damage and glial cells' reactive phenotype.
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Affiliation(s)
- Eleni Karafoulidou
- Laboratory of Experimental Neurology and Neuroimmunology, 2nd Neurological University Department, AHEPA General Hospital of Thessaloniki, Faculty of Health Science, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; (E.K.); (E.K.); (P.T.); (C.K.); (M.-K.N.); (I.M.); (O.T.); (E.P.); (I.S.)
| | - Evangelia Kesidou
- Laboratory of Experimental Neurology and Neuroimmunology, 2nd Neurological University Department, AHEPA General Hospital of Thessaloniki, Faculty of Health Science, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; (E.K.); (E.K.); (P.T.); (C.K.); (M.-K.N.); (I.M.); (O.T.); (E.P.); (I.S.)
| | - Paschalis Theotokis
- Laboratory of Experimental Neurology and Neuroimmunology, 2nd Neurological University Department, AHEPA General Hospital of Thessaloniki, Faculty of Health Science, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; (E.K.); (E.K.); (P.T.); (C.K.); (M.-K.N.); (I.M.); (O.T.); (E.P.); (I.S.)
| | - Chrystalla Konstantinou
- Laboratory of Experimental Neurology and Neuroimmunology, 2nd Neurological University Department, AHEPA General Hospital of Thessaloniki, Faculty of Health Science, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; (E.K.); (E.K.); (P.T.); (C.K.); (M.-K.N.); (I.M.); (O.T.); (E.P.); (I.S.)
| | - Maria-Konstantina Nella
- Laboratory of Experimental Neurology and Neuroimmunology, 2nd Neurological University Department, AHEPA General Hospital of Thessaloniki, Faculty of Health Science, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; (E.K.); (E.K.); (P.T.); (C.K.); (M.-K.N.); (I.M.); (O.T.); (E.P.); (I.S.)
| | - Iliana Michailidou
- Laboratory of Experimental Neurology and Neuroimmunology, 2nd Neurological University Department, AHEPA General Hospital of Thessaloniki, Faculty of Health Science, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; (E.K.); (E.K.); (P.T.); (C.K.); (M.-K.N.); (I.M.); (O.T.); (E.P.); (I.S.)
| | - Olga Touloumi
- Laboratory of Experimental Neurology and Neuroimmunology, 2nd Neurological University Department, AHEPA General Hospital of Thessaloniki, Faculty of Health Science, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; (E.K.); (E.K.); (P.T.); (C.K.); (M.-K.N.); (I.M.); (O.T.); (E.P.); (I.S.)
| | - Eleni Polyzoidou
- Laboratory of Experimental Neurology and Neuroimmunology, 2nd Neurological University Department, AHEPA General Hospital of Thessaloniki, Faculty of Health Science, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; (E.K.); (E.K.); (P.T.); (C.K.); (M.-K.N.); (I.M.); (O.T.); (E.P.); (I.S.)
| | - Ilias Salamotas
- Laboratory of Experimental Neurology and Neuroimmunology, 2nd Neurological University Department, AHEPA General Hospital of Thessaloniki, Faculty of Health Science, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; (E.K.); (E.K.); (P.T.); (C.K.); (M.-K.N.); (I.M.); (O.T.); (E.P.); (I.S.)
| | - Ofira Einstein
- Department of Physical Therapy, Faculty of Health Sciences, Ariel University, Ariel 40700, Israel;
| | - Athanasios Chatzisotiriou
- Department of Physiology, Medical School, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece;
| | - Marina-Kleopatra Boziki
- Laboratory of Experimental Neurology and Neuroimmunology, 2nd Neurological University Department, AHEPA General Hospital of Thessaloniki, Faculty of Health Science, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; (E.K.); (E.K.); (P.T.); (C.K.); (M.-K.N.); (I.M.); (O.T.); (E.P.); (I.S.)
| | - Nikolaos Grigoriadis
- Laboratory of Experimental Neurology and Neuroimmunology, 2nd Neurological University Department, AHEPA General Hospital of Thessaloniki, Faculty of Health Science, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece; (E.K.); (E.K.); (P.T.); (C.K.); (M.-K.N.); (I.M.); (O.T.); (E.P.); (I.S.)
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Pei MQ, Xu LM, Yang YS, Chen WC, Chen XL, Fang YM, Lin S, He HF. Latest advances and clinical application prospects of resveratrol therapy for neurocognitive disorders. Brain Res 2024; 1830:148821. [PMID: 38401770 DOI: 10.1016/j.brainres.2024.148821] [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: 09/11/2023] [Revised: 01/13/2024] [Accepted: 02/21/2024] [Indexed: 02/26/2024]
Abstract
Neurocognitive disorders, such as Alzheimer's disease, vascular dementia, and postoperative cognitive dysfunction, are non-psychiatric brain syndromes in which a significant decline in cognitive function causes great trauma to the mental status of the patient. The lack of effective treatments for neurocognitive disorders imposes a considerable burden on society, including a substantial economic impact. Over the past few decades, the identification of resveratrol, a natural plant compound, has provided researchers with an opportunity to formulate novel strategies for the treatment of neurocognitive disorders. This is because resveratrol effectively protects the brain of those with neurocognitive disorders by targeting some mechanisms such as inflammation and oxidative stress. This article reviews the status of recent research investigating the use of resveratrol for the treatment of different neurocognitive disorders. By examining the possible mechanisms of action of resveratrol and the shared mechanisms of different neurocognitive disorders, treatments for neurocognitive disorders may be further clarified.
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Affiliation(s)
- Meng-Qin Pei
- Department of Anesthesiology, the Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, Fujian Province, China
| | - Li-Ming Xu
- Department of Anesthesiology, the Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, Fujian Province, China
| | - Yu-Shen Yang
- Department of Anesthesiology, the Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, Fujian Province, China
| | - Wei-Can Chen
- Department of Anesthesiology, the Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, Fujian Province, China
| | - Xin-Li Chen
- Department of Anesthesiology, the Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, Fujian Province, China
| | - Yu-Ming Fang
- Department of Anesthesiology, the Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, Fujian Province, China
| | - Shu Lin
- Center of Neurological and Metabolic Research, the Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, Fujian Province, China; Neuroendocrinology Group, Garvan Institute of Medical Research, 384 Victoria St, Sydney, Australia.
| | - He-Fan He
- Department of Anesthesiology, the Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, Fujian Province, China.
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Li J, Long Q, Ding H, Wang Y, Luo D, Li Z, Zhang W. Progress in the Treatment of Central Nervous System Diseases Based on Nanosized Traditional Chinese Medicine. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308677. [PMID: 38419366 PMCID: PMC11040388 DOI: 10.1002/advs.202308677] [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: 11/13/2023] [Revised: 02/07/2024] [Indexed: 03/02/2024]
Abstract
Traditional Chinese Medicine (TCM) is widely used in clinical practice to treat diseases related to central nervous system (CNS) damage. However, the blood-brain barrier (BBB) constitutes a significant impediment to the effective delivery of TCM, thus substantially diminishing its efficacy. Advances in nanotechnology and its applications in TCM (also known as nano-TCM) can deliver active ingredients or components of TCM across the BBB to the targeted brain region. This review provides an overview of the physiological and pathological mechanisms of the BBB and systematically classifies the common TCM used to treat CNS diseases and types of nanocarriers that effectively deliver TCM to the brain. Additionally, drug delivery strategies for nano-TCMs that utilize in vivo physiological properties or in vitro devices to bypass or cross the BBB are discussed. This review further focuses on the application of nano-TCMs in the treatment of various CNS diseases. Finally, this article anticipates a design strategy for nano-TCMs with higher delivery efficiency and probes their application potential in treating a wider range of CNS diseases.
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Affiliation(s)
- Jing Li
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio‐Cerebral Diseases, School of Integrated Chinese and Western MedicineHunan University of Chinese MedicineChangshaHunan410208China
- Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing101400China
| | - Qingyin Long
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio‐Cerebral Diseases, School of Integrated Chinese and Western MedicineHunan University of Chinese MedicineChangshaHunan410208China
| | - Huang Ding
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio‐Cerebral Diseases, School of Integrated Chinese and Western MedicineHunan University of Chinese MedicineChangshaHunan410208China
| | - Yang Wang
- Institute of Integrative MedicineDepartment of Integrated Traditional Chinese and Western MedicineXiangya HospitalCentral South University ChangshaChangsha410008China
| | - Dan Luo
- Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing101400China
| | - Zhou Li
- Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing101400China
| | - Wei Zhang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio‐Cerebral Diseases, School of Integrated Chinese and Western MedicineHunan University of Chinese MedicineChangshaHunan410208China
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Bai Y, Sui R, Zhang L, Bai B, Zhu Y, Jiang H. Resveratrol Improves Cognitive Function in Post-stroke Depression Rats by Repressing Inflammatory Reactions and Oxidative Stress via the Nrf2/HO-1 Pathway. Neuroscience 2024; 541:50-63. [PMID: 38278473 DOI: 10.1016/j.neuroscience.2024.01.017] [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: 05/07/2023] [Revised: 01/17/2024] [Accepted: 01/22/2024] [Indexed: 01/28/2024]
Abstract
Post-stroke depression (PSD) is a prevalent mental health issue, and resveratrol (RES) has been implicated in its management. This study aimed to elucidate the impact of RES on PSD. A PSD rat model was established through middle cerebral artery occlusion and chronic unpredictable mild stress. Rats received RES via gavage, and depressive behaviors were evaluated through various measures. Cerebral infarction areas and brain tissue pathology were assessed using TTC and H&E staining. Levels of inflammatory factors (TNF-α/IL-1β/IL-6/IL-10), neurotransmitters (ACH/DA/5-HT/BDNF), and oxidative stress-related indicators (SOD/GSH-Px/MDA), along with the total Nrf2/C-Nrf2/N-Nrf2/HO-1 proteins, were analyzed. The role of the Nrf2/HO-1 pathway was investigated by co-treating rats with RES and either an Nrf2 pathway specific inhibitor (ML385) or activator (dimethyl fumarate). PSD rats exhibited depressive behaviors, disrupted neurotransmitter levels, and oxidative stress markers. RES treatment effectively alleviated these symptoms and activated the Nrf2/HO-1 pathway in PSD rat brain tissues. Co-administration of ML385 attenuated the beneficial effects of RES in PSD rats. Altogether, RES mitigates depressive behaviors, improves cognitive dysfunction, and reduces oxidative stress and inflammatory response in PSD rats. These effects are mediated through the activation of the Nrf2/HO-1 pathway, suggesting RES as a potential therapeutic agent for PSD-related cognitive impairment.
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Affiliation(s)
- Yanjuan Bai
- Department of Neurology, First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, Liaoning, People's Republic of China
| | - Rubo Sui
- Department of Neurology, First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, Liaoning, People's Republic of China.
| | - Lei Zhang
- School of Nursing, Jinzhou Medical University, Jinzhou 121000, Liaoning, People's Republic of China
| | - Bing Bai
- Academic Affairs Office of Liaoning University of Technology, Jinzhou 121000, Liaoning, People's Republic of China
| | - Yue Zhu
- Department of Neurology, First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, Liaoning, People's Republic of China
| | - Hongxin Jiang
- Department of Radiology, Gucheng County Hospital of Hebei Province, Hengshui 253800, Hebei, People's Republic of China
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Mendonça ELSS, Xavier JA, Fragoso MBT, Silva MO, Escodro PB, Oliveira ACM, Tucci P, Saso L, Goulart MOF. E-Stilbenes: General Chemical and Biological Aspects, Potential Pharmacological Activity Based on the Nrf2 Pathway. Pharmaceuticals (Basel) 2024; 17:232. [PMID: 38399446 PMCID: PMC10891666 DOI: 10.3390/ph17020232] [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: 01/08/2024] [Revised: 01/27/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Stilbenes are phytoalexins, and their biosynthesis can occur through a natural route (shikimate precursor) or an alternative route (in microorganism cultures). The latter is a metabolic engineering strategy to enhance production due to stilbenes recognized pharmacological and medicinal potential. It is believed that in the human body, these potential activities can be modulated by the regulation of the nuclear factor erythroid derived 2 (Nrf2), which increases the expression of antioxidant enzymes. Given this, our review aims to critically analyze evidence regarding E-stilbenes in human metabolism and the Nrf2 activation pathway, with an emphasis on inflammatory and oxidative stress aspects related to the pathophysiology of chronic and metabolic diseases. In this comprehensive literature review, it can be observed that despite the broad number of stilbenes, those most frequently explored in clinical trials and preclinical studies (in vitro and in vivo) were resveratrol, piceatannol, pterostilbene, polydatin, stilbestrol, and pinosylvin. In some cases, depending on the dose/concentration and chemical nature of the stilbene, it was possible to identify activation of the Nrf2 pathway. Furthermore, the use of some experimental models presented a challenge in comparing results. In view of the above, it can be suggested that E-stilbenes have a relationship with the Nrf2 pathway, whether directly or indirectly, through different biological pathways, and in different diseases or conditions that are mainly related to inflammation and oxidative stress.
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Affiliation(s)
- Elaine L. S. S. Mendonça
- Program of the Northeast Biotechnology Network (RENORBIO), Institute of Chemistry and Biotechnology, Federal University of Alagoas (UFAL), Maceió 57072-900, Brazil; (E.L.S.S.M.); (M.O.S.)
| | - Jadriane A. Xavier
- Institute of Chemistry and Biotechnology, UFAL, Maceió 57072-900, Brazil; (J.A.X.); (M.B.T.F.)
| | - Marilene B. T. Fragoso
- Institute of Chemistry and Biotechnology, UFAL, Maceió 57072-900, Brazil; (J.A.X.); (M.B.T.F.)
| | - Messias O. Silva
- Program of the Northeast Biotechnology Network (RENORBIO), Institute of Chemistry and Biotechnology, Federal University of Alagoas (UFAL), Maceió 57072-900, Brazil; (E.L.S.S.M.); (M.O.S.)
| | | | | | - Paolo Tucci
- Department of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy;
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University, 00185 Rome, Italy
| | - Marília O. F. Goulart
- Program of the Northeast Biotechnology Network (RENORBIO), Institute of Chemistry and Biotechnology, Federal University of Alagoas (UFAL), Maceió 57072-900, Brazil; (E.L.S.S.M.); (M.O.S.)
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Orellana-Urzúa S, Briones-Valdivieso C, Chichiarelli S, Saso L, Rodrigo R. Potential Role of Natural Antioxidants in Countering Reperfusion Injury in Acute Myocardial Infarction and Ischemic Stroke. Antioxidants (Basel) 2023; 12:1760. [PMID: 37760064 PMCID: PMC10525378 DOI: 10.3390/antiox12091760] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 09/07/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Stroke and acute myocardial infarction are leading causes of mortality worldwide. The latter accounts for approximately 9 million deaths annually. In turn, ischemic stroke is a significant contributor to adult physical disability globally. While reperfusion is crucial for tissue recovery, it can paradoxically exacerbate damage through oxidative stress (OS), inflammation, and cell death. Therefore, it is imperative to explore diverse approaches aimed at minimizing ischemia/reperfusion injury to enhance clinical outcomes. OS primarily arises from an excessive generation of reactive oxygen species (ROS) and/or decreased endogenous antioxidant potential. Natural antioxidant compounds can counteract the injury mechanisms linked to ROS. While promising preclinical results, based on monotherapies, account for protective effects against tissue injury by ROS, translating these models into human applications has yielded controversial evidence. However, since the wide spectrum of antioxidants having diverse chemical characteristics offers varied biological actions on cell signaling pathways, multitherapy has emerged as a valuable therapeutic resource. Moreover, the combination of antioxidants in multitherapy holds significant potential for synergistic effects. This study was designed with the aim of providing an updated overview of natural antioxidants suitable for preventing myocardial and cerebral ischemia/reperfusion injuries.
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Affiliation(s)
- Sofía Orellana-Urzúa
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago 8380000, Chile;
| | | | - Silvia Chichiarelli
- Department of Biochemical Sciences “A. Rossi-Fanelli”, Sapienza University of Rome, 00185 Rome, Italy;
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Faculty of Pharmacy and Medicine, Sapienza University, P.le Aldo Moro 5, 00185 Rome, Italy;
| | - Ramón Rodrigo
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago 8380000, Chile;
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10
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Vajdi M, Sefidmooye Azar P, Mahmoodpoor A, Dashti F, Sanaie S, Kiani Chalmardi F, Karimi A. A comprehensive insight into the molecular and cellular mechanisms of action of resveratrol on complications of sepsis a systematic review. Phytother Res 2023; 37:3780-3808. [PMID: 37405908 DOI: 10.1002/ptr.7917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 02/08/2023] [Accepted: 05/27/2023] [Indexed: 07/07/2023]
Abstract
Sepsis and septic shock are still one of the most important medical challenges. Sepsis is an extreme and uncontrolled response of the innate immune system to invading pathogenesis. Resveratrol (3,5,4'-trihydroxytrans-stilbene), is a phenolic and non-flavonoid compound naturally produced by some plants and fruits. The object of the current study is to systematically review the impacts of resveratrol and its mechanisms of function in the management of sepsis and its related complications. The guidelines of the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) statements were applied to perform the study (PROSPERO: CRD42021289357). We searched Embase, Web of Science, Google Scholar, Science Direct, PubMed, ProQuest, and Scopus databases up to January 2023 by using the relevant keywords. Study criteria were met by 72 out of 1415 articles screened. The results of this systematic review depict that resveratrol can reduces the complications of sepsis by affecting inflammatory pathways, oxidative stress, and modulating immune responses. Future human randomized clinical trials are necessary due to the promising therapeutic effects of resveratrol on sepsis complications and the lack of clinical trials in this regard.
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Affiliation(s)
- Mahdi Vajdi
- Department of Clinical Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Pouria Sefidmooye Azar
- Department of Nutrition and Hospitality Management, School of Applied Sciences, The University of Mississippi, Oxford, Mississippi, USA
| | - Ata Mahmoodpoor
- Department of Anesthesiology and Intensive Care, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Farzaneh Dashti
- Department of Anatomical Sciences, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - Sarvin Sanaie
- Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Arash Karimi
- Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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11
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da Silva Souza V, Manhães-de-Castro R, Pereira SDC, Calado CMSDS, Souza de Silveira B, Araújo ERDS, Silva SCDA, Junior OHDS, Lagranha CJ, da Silva LKTM, Toscano AE. Neonatal treatment with resveratrol decreases postural and strength impairments and improves mitochondrial function in the somatosensory cortex rats submitted to cerebral palsy. Neurochem Int 2023:105568. [PMID: 37385449 DOI: 10.1016/j.neuint.2023.105568] [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: 03/16/2023] [Revised: 06/08/2023] [Accepted: 06/26/2023] [Indexed: 07/01/2023]
Abstract
Cerebral palsy is a neurodevelopmental disease characterized by postural, motor, and cognitive disorders, being one of the main causes of physical and intellectual disability in childhood. To minimize functional impairments, the use of resveratrol as a therapeutic strategy is highlighted due to its neuroprotective and antioxidant effects in different regions of the brain. Thus, this study aimed to investigate the effects of neonatal treatment with resveratrol on postural development, motor function, oxidative balance, and mitochondrial biogenesis in the brain of rats submitted to a cerebral palsy model. Neonatal treatment with resveratrol attenuated deficits in somatic growth, postural development, and muscle strength in rats submitted to cerebral palsy. Related to oxidative balance, resveratrol in cerebral palsy decreased the levels of MDA and carbonyls. Related to mitochondrial biogenesis, was observed in animals with cerebral palsy treated with resveratrol, an increase in mRNA levels of TFAM, in association with the increase of citrate synthase activity. The data demonstrated a promising effect of neonatal resveratrol treatment, improving postural and muscle deficits induced by cerebral palsy. These findings were associated with improvements in oxidative balance and mitochondrial biogenesis in the brain of rats submitted to cerebral palsy.
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Affiliation(s)
- Vanessa da Silva Souza
- Studies in Nutrition and Phenotypic Plasticity Unit, Center for Health Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-420, Brazil; Graduate Program in Neuropsychiatry and Behavioral Sciences, Center for Medical Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-901, Brazil
| | - Raul Manhães-de-Castro
- Studies in Nutrition and Phenotypic Plasticity Unit, Center for Health Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-420, Brazil; Graduate Program in Neuropsychiatry and Behavioral Sciences, Center for Medical Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-901, Brazil; Graduate Program in Nutrition, Center for Health Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-420, Brazil
| | - Sabrina da Conceição Pereira
- Studies in Nutrition and Phenotypic Plasticity Unit, Center for Health Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-420, Brazil; Graduate Program in Neuropsychiatry and Behavioral Sciences, Center for Medical Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-901, Brazil
| | - Caio Matheus Santos da Silva Calado
- Studies in Nutrition and Phenotypic Plasticity Unit, Center for Health Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-420, Brazil; Graduate Program in Neuropsychiatry and Behavioral Sciences, Center for Medical Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-901, Brazil
| | - Beatriz Souza de Silveira
- Studies in Nutrition and Phenotypic Plasticity Unit, Center for Health Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-420, Brazil; Graduate Program in Neuropsychiatry and Behavioral Sciences, Center for Medical Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-901, Brazil
| | - Eulália Rebeca da Silva Araújo
- Studies in Nutrition and Phenotypic Plasticity Unit, Center for Health Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-420, Brazil; Graduate Program in Neuropsychiatry and Behavioral Sciences, Center for Medical Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-901, Brazil
| | - Severina Cassia de Andrade Silva
- Graduate Program in Neuropsychiatry and Behavioral Sciences, Center for Medical Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-901, Brazil
| | - Osmar Henrique Dos Santos Junior
- Graduate Program in Neuropsychiatry and Behavioral Sciences, Center for Medical Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-901, Brazil
| | - Claudia Jacques Lagranha
- Graduate Program in Neuropsychiatry and Behavioral Sciences, Center for Medical Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-901, Brazil; Graduate Program in Biochemistry and Physiology, Center for Biosciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-420, Brazil
| | - Luan Kelwyny Thaywã Marques da Silva
- Studies in Nutrition and Phenotypic Plasticity Unit, Center for Health Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-420, Brazil; Graduate Program in Nutrition, Physical Activity and Phenotypic Plasticity, Vitória Academic Center, Federal University of Pernambuco, Vitória de Santo Antão, Pernambuco, 55608-680, Brazil
| | - Ana Elisa Toscano
- Studies in Nutrition and Phenotypic Plasticity Unit, Center for Health Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-420, Brazil; Graduate Program in Neuropsychiatry and Behavioral Sciences, Center for Medical Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-901, Brazil; Graduate Program in Nutrition, Center for Health Sciences, Federal University of Pernambuco, Recife, Pernambuco, 50670-420, Brazil; Nursing Unit, Vitória Academic Center, Federal University of Pernambuco, Vitória de Santo Antão, Pernambuco, 55608-680, Brazil.
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12
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Pontes PB, Toscano AE, Lacerda DC, da Silva Araújo ER, Costa PCTD, Alves SM, Brito Alves JLD, Manhães-de-Castro R. Effectiveness of Polyphenols on Perinatal Brain Damage: A Systematic Review of Preclinical Studies. Foods 2023; 12:2278. [PMID: 37372488 DOI: 10.3390/foods12122278] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 04/06/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
Polyphenol supplementation during early life has been associated with a reduction of oxidative stress and neuroinflammation in diseases caused by oxygen deprivation, including cerebral palsy, hydrocephaly, blindness, and deafness. Evidence has shown that perinatal polyphenols supplementation may alleviate brain injury in embryonic, fetal, neonatal, and offspring subjects, highlighting its role in modulating adaptative responses involving phenotypical plasticity. Therefore, it is reasonable to infer that the administration of polyphenols during the early life period may be considered a potential intervention to modulate the inflammatory and oxidative stress that cause impairments in locomotion, cognitive, and behavioral functions throughout life. The beneficial effects of polyphenols are linked with several mechanisms, including epigenetic alterations, involving the AMP-activated protein kinase (AMPK), nuclear factor kappa B (NF-κB), and phosphoinositide 3-kinase (PI3K) pathways. To highlight these new perspectives, the objective of this systematic review was to summarize the understanding emerging from preclinical studies about polyphenol supplementation, its capacity to minimize brain injury caused by hypoxia-ischemia in terms of morphological, inflammatory, and oxidative parameters and its repercussions for motor and behavioral functions.
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Affiliation(s)
- Paula Brielle Pontes
- Postgraduate Program of Neuropsychiatry and Behavioral Sciences, Federal University of Pernambuco, Recife 50670-901, Pernambuco, Brazil
- Studies in Nutrition and Phenotypic Plasticity Unit, Federal University of Pernambuco, Recife 50670-901, Pernambuco, Brazil
| | - Ana Elisa Toscano
- Studies in Nutrition and Phenotypic Plasticity Unit, Federal University of Pernambuco, Recife 50670-901, Pernambuco, Brazil
- Department of Nursing, CAV, Federal University of Pernambuco, Vitória de Santo Antão 55608-680, Pernambuco, Brazil
| | - Diego Cabral Lacerda
- Studies in Nutrition and Phenotypic Plasticity Unit, Federal University of Pernambuco, Recife 50670-901, Pernambuco, Brazil
- Department of Nursing, CAV, Federal University of Pernambuco, Vitória de Santo Antão 55608-680, Pernambuco, Brazil
| | - Eulália Rebeca da Silva Araújo
- Postgraduate Program of Neuropsychiatry and Behavioral Sciences, Federal University of Pernambuco, Recife 50670-901, Pernambuco, Brazil
- Studies in Nutrition and Phenotypic Plasticity Unit, Federal University of Pernambuco, Recife 50670-901, Pernambuco, Brazil
| | - Paulo César Trindade da Costa
- Department of Nutrition, Health Sciences Center, Federal University of Paraíba, João Pessoa 58051-900, Paraíba, Brazil
| | - Swane Miranda Alves
- Postgraduate Program of Neuropsychiatry and Behavioral Sciences, Federal University of Pernambuco, Recife 50670-901, Pernambuco, Brazil
- Studies in Nutrition and Phenotypic Plasticity Unit, Federal University of Pernambuco, Recife 50670-901, Pernambuco, Brazil
| | - José Luiz de Brito Alves
- Department of Nutrition, Health Sciences Center, Federal University of Paraíba, João Pessoa 58051-900, Paraíba, Brazil
| | - Raul Manhães-de-Castro
- Postgraduate Program of Neuropsychiatry and Behavioral Sciences, Federal University of Pernambuco, Recife 50670-901, Pernambuco, Brazil
- Studies in Nutrition and Phenotypic Plasticity Unit, Federal University of Pernambuco, Recife 50670-901, Pernambuco, Brazil
- Department of Nutrition, Federal University of Pernambuco, Recife 50670-901, Pernambuco, Brazil
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13
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De Luca I, Di Cristo F, Conte R, Peluso G, Cerruti P, Calarco A. In-Situ Thermoresponsive Hydrogel Containing Resveratrol-Loaded Nanoparticles as a Localized Drug Delivery Platform for Dry Eye Disease. Antioxidants (Basel) 2023; 12:antiox12050993. [PMID: 37237859 DOI: 10.3390/antiox12050993] [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: 03/24/2023] [Revised: 04/22/2023] [Accepted: 04/23/2023] [Indexed: 05/28/2023] Open
Abstract
Dry eye disease (DED) is a dynamic and complex disease that can cause significant damage to the ocular surface and discomfort, compromising the patient's quality of life. Phytochemicals such as resveratrol have received increasing attention due to their ability to interfere with multiple pathways related to these diseases. However, the low bioavailability and the poor therapeutic response of resveratrol hinder its clinical applications. Cationic polymeric nanoparticles, in combination with in situ gelling polymers, could represent a promising strategy to prolong drug corneal residence time reducing the frequency of administration and increasing the therapeutic response. Eyedrop formulations, based on acetylated polyethyleneimine-modified polylactic-co-glicolyc acid- (PLGA-PEI) nanoparticles loaded with resveratrol (RSV-NPs) were dispersed into poloxamer 407 hydrogel and characterized in terms of pH, gelation time, rheological properties, in vitro drugs release, and biocompatibility. Moreover, the antioxidant and anti-inflammatory effects of RSV were assessed in vitro by mimicking a DED condition through the exposition of epithelial corneal cells to a hyperosmotic state. This formulation exhibited sustained release of RSV for up to 3 days, exerting potent antioxidant and anti-inflammatory effects on corneal epithelial cells. In addition, RSV reversed the mitochondrial dysfunction mediated by high osmotic pressure, leading to upregulated sirtuin-1 (SIRT1) expression, an essential regulator of mitochondrial function. These results suggest the potential of eyedrop formulation as a platform to overcome the rapid clearance of current solutions for treating various inflammation- and oxidative stress-related diseases such as DED.
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Affiliation(s)
- Ilenia De Luca
- Research Institute on Terrestrial Ecosystems (IRET)-CNR, Via Pietro Castellino 111, 80131 Napoli, Italy
| | | | - Raffaele Conte
- Elleva Pharma s.r.l., Via P. Castellino 111, 80131 Napoli, Italy
| | - Gianfranco Peluso
- Research Institute on Terrestrial Ecosystems (IRET)-CNR, Via Pietro Castellino 111, 80131 Napoli, Italy
- Faculty of Medicine and Surgery, UniCamillus-Saint Camillus International University of Health Sciences, Via di Sant'Alessandro 8, 00131 Rome, Italy
| | - Pierfrancesco Cerruti
- Institute for Polymers, Composites and Biomaterials (IPCB-CNR), Via Campi Flegrei 34, 80078 Pozzuoli, Italy
| | - Anna Calarco
- Research Institute on Terrestrial Ecosystems (IRET)-CNR, Via Pietro Castellino 111, 80131 Napoli, Italy
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14
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Butterfield DA, Boyd-Kimball D, Reed TT. Cellular Stress Response (Hormesis) in Response to Bioactive Nutraceuticals with Relevance to Alzheimer Disease. Antioxid Redox Signal 2023; 38:643-669. [PMID: 36656673 PMCID: PMC10025851 DOI: 10.1089/ars.2022.0214] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 01/08/2023] [Indexed: 01/20/2023]
Abstract
Significance: Alzheimer's disease (AD) is the most common form of dementia associated with aging. As the large Baby Boomer population ages, risk of developing AD increases significantly, and this portion of the population will increase significantly over the next several decades. Recent Advances: Research suggests that a delay in the age of onset by 5 years can dramatically decrease both the incidence and cost of AD. In this review, the role of nuclear factor erythroid 2-related factor 2 (Nrf2) in AD is examined in the context of heme oxygenase-1 (HO-1) and biliverdin reductase-A (BVR-A) and the beneficial potential of selected bioactive nutraceuticals. Critical Issues: Nrf2, a transcription factor that binds to enhancer sequences in antioxidant response elements (ARE) of DNA, is significantly decreased in AD brain. Downstream targets of Nrf2 include, among other proteins, HO-1. BVR-A is activated when biliverdin is produced. Both HO-1 and BVR-A also are oxidatively or nitrosatively modified in AD brain and in its earlier stage, amnestic mild cognitive impairment (MCI), contributing to the oxidative stress, altered insulin signaling, and cellular damage observed in the pathogenesis and progression of AD. Bioactive nutraceuticals exhibit anti-inflammatory, antioxidant, and neuroprotective properties and are potential topics of future clinical research. Specifically, ferulic acid ethyl ester, sulforaphane, epigallocatechin-3-gallate, and resveratrol target Nrf2 and have shown potential to delay the progression of AD in animal models and in some studies involving MCI patients. Future Directions: Understanding the regulation of Nrf2 and its downstream targets can potentially elucidate therapeutic options for delaying the progression of AD. Antioxid. Redox Signal. 38, 643-669.
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Affiliation(s)
- D. Allan Butterfield
- Department of Chemistry, University of Kentucky, Lexington, Kentucky, USA
- Sanders-Brown Center on Aging, University of Kentucky, Lexington, Kentucky, USA
| | - Debra Boyd-Kimball
- Department of Biochemistry, Chemistry, and Physics, University of Mount Union, Alliance, Ohio, USA
| | - Tanea T. Reed
- Department of Chemistry, Eastern Kentucky University, Richmond, Kentucky, USA
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15
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Abdelsalam SA, Renu K, Zahra HA, Abdallah BM, Ali EM, Veeraraghavan VP, Sivalingam K, Ronsard L, Ammar RB, Vidya DS, Karuppaiya P, Al-Ramadan SY, Rajendran P. Polyphenols Mediate Neuroprotection in Cerebral Ischemic Stroke-An Update. Nutrients 2023; 15:nu15051107. [PMID: 36904106 PMCID: PMC10005012 DOI: 10.3390/nu15051107] [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: 01/23/2023] [Revised: 02/18/2023] [Accepted: 02/21/2023] [Indexed: 02/25/2023] Open
Abstract
Stroke is one of the main causes of mortality and disability, and it is due to be included in monetary implications on wellbeing frameworks around the world. Ischemic stroke is caused by interference in cerebral blood flow, leading to a deficit in the supply of oxygen to the affected region. It accounts for nearly 80-85% of all cases of stroke. Oxidative stress has a significant impact on the pathophysiologic cascade in brain damage leading to stroke. In the acute phase, oxidative stress mediates severe toxicity, and it initiates and contributes to late-stage apoptosis and inflammation. Oxidative stress conditions occur when the antioxidant defense in the body is unable to counteract the production and aggregation of reactive oxygen species (ROS). The previous literature has shown that phytochemicals and other natural products not only scavenge oxygen free radicals but also improve the expressions of cellular antioxidant enzymes and molecules. Consequently, these products protect against ROS-mediated cellular injury. This review aims to give an overview of the most relevant data reported in the literature on polyphenolic compounds, namely, gallic acid, resveratrol, quercetin, kaempferol, mangiferin, epigallocatechin, and pinocembrin, in terms of their antioxidant effects and potential protective activity against ischemic stroke.
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Affiliation(s)
- Salaheldin Abdelraouf Abdelsalam
- Department of Biological Sciences, College of Science, King Faisal University, Chennai 31982, Saudi Arabia
- Department of Zoology, Faculty of Science, Assiut University, Assiut 71515, Egypt
| | - Kaviyarasi Renu
- Centre of Molecular Medicine and Diagnostics (COMManD), Department of Biochemistry, Saveetha Institute of Medical and Technical Sciences, Saveetha Dental College & Hospitals, Saveetha University, Chennai 600077, India
| | - Hamad Abu Zahra
- Department of Biological Sciences, College of Science, King Faisal University, Chennai 31982, Saudi Arabia
| | - Basem M. Abdallah
- Department of Biological Sciences, College of Science, King Faisal University, Chennai 31982, Saudi Arabia
| | - Enas M. Ali
- Department of Biological Sciences, College of Science, King Faisal University, Chennai 31982, Saudi Arabia
- Department of Botany and Microbiology, Faculty of Science, Cairo University, Cairo 12613, Egypt
| | - Vishnu Priya Veeraraghavan
- Centre of Molecular Medicine and Diagnostics (COMManD), Department of Biochemistry, Saveetha Institute of Medical and Technical Sciences, Saveetha Dental College & Hospitals, Saveetha University, Chennai 600077, India
| | - Kalaiselvi Sivalingam
- Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Larance Ronsard
- The Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Rebai Ben Ammar
- Department of Biological Sciences, College of Science, King Faisal University, Chennai 31982, Saudi Arabia
- Laboratory of Aromatic and Medicinal Plants, Center of Biotechnology of Borj-Cedria, Technopole of Borj-Cedria, P.O. Box 901, Hammam-Lif 2050, Tunisia
| | - Devanathadesikan Seshadri Vidya
- Department of Pharmacology & Toxicology, College of Pharmacy, Prince Sattam Bin Abdul Aziz University, Al-Kharj 11942, Saudi Arabia
| | - Palaniyandi Karuppaiya
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning 530004, China
| | - S. Y. Al-Ramadan
- Department of Anatomy, College of Veterinary Medicine, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Peramaiyan Rajendran
- Department of Biological Sciences, College of Science, King Faisal University, Chennai 31982, Saudi Arabia
- Centre of Molecular Medicine and Diagnostics (COMManD), Department of Biochemistry, Saveetha Institute of Medical and Technical Sciences, Saveetha Dental College & Hospitals, Saveetha University, Chennai 600077, India
- Correspondence: ; Tel.: +966-0135899543
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16
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Kanemaru E, Miyazaki Y, Marutani E, Ezaka M, Goto S, Ohshima E, Bloch DB, Ichinose F. Intranasal administration of polysulfide prevents neurodegeneration in spinal cord and rescues mice from delayed paraplegia after spinal cord ischemia. Redox Biol 2023; 60:102620. [PMID: 36753926 PMCID: PMC9932672 DOI: 10.1016/j.redox.2023.102620] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/25/2023] [Accepted: 01/29/2023] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Delayed paraplegia is a devastating complication of thoracoabdominal aortic surgery. Hydrogen sulfide (H2S) was reported to be protective in a mouse model of spinal cord ischemia and the beneficial effect of H2S has been attributed to polysulfides. The objective of this study was to investigate the effects of polysulfides on delayed paraplegia after spinal cord ischemia. METHODS AND RESULTS Spinal cord ischemia was induced in male and female C57BL/6J mice by clamping the aortic arch and the left subclavian artery. Glutathione trisulfide (GSSSG), glutathione (GSH), glutathione disulfide (GSSG), or vehicle alone was administered intranasally at 0, 8, 23, and 32 h after surgery. All mice treated with vehicle alone developed paraplegia within 48 h after surgery. GSSSG, but not GSH or GSSG, prevented paraplegia in 8 of 11 male mice (73%) and 6 of 8 female mice (75%). Intranasal administration of 34S-labeled GSSSG rapidly increased 34S-labeled sulfane sulfur species in the lumbar spinal cord. In mice treated with intranasal GSSSG, there were increased sulfane sulfur levels, and decreased neurodegeneration, microglia activation, and caspase-3 activation in the lumbar spinal cord. In vitro studies using murine primary cortical neurons showed that GSSSG increased intracellular levels of sulfane sulfur. GSSSG, but not GSH or GSSG, dose-dependently improved cell viability after oxygen and glucose deprivation/reoxygenation (OGD/R). Pantethine trisulfide (PTN-SSS) also increased intracellular sulfane sulfur and improved cell viability after OGD/R. Intranasal administration of PTN-SSS, but not pantethine, prevented paraplegia in 6 of 9 male mice (66%). CONCLUSIONS Intranasal administration of polysulfides rescued mice from delayed paraplegia after transient spinal cord ischemia. The neuroprotective effects of GSSSG were associated with increased levels of polysulfides and sulfane sulfur in the lumbar spinal cord. Targeted delivery of sulfane sulfur by polysulfides may prove to be a novel approach to the treatment of neurodegenerative diseases.
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Affiliation(s)
- Eiki Kanemaru
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA.
| | - Yusuke Miyazaki
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA.
| | - Eizo Marutani
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA.
| | - Mariko Ezaka
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA.
| | - Shunsaku Goto
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA.
| | - Etsuo Ohshima
- Corporate Strategy Department, Kyowa Hakko Bio Co., Ltd., Tokyo, 164-0001, Japan.
| | - Donald B. Bloch
- Department of Medicine, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Fumito Ichinose
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA.
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Zuo C, Cao H, Song Y, Gu Z, Huang Y, Yang Y, Miao J, Zhu L, Chen J, Jiang Y, Wang F. Nrf2: An all-rounder in depression. Redox Biol 2022; 58:102522. [PMID: 36335763 PMCID: PMC9641011 DOI: 10.1016/j.redox.2022.102522] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/19/2022] [Accepted: 10/23/2022] [Indexed: 11/06/2022] Open
Abstract
The balance between oxidation and antioxidant is crucial for maintaining homeostasis. Once disrupted, it can lead to various pathological outcomes and diseases, such as depression. Oxidative stress can result in or aggravate a battery of pathological processes including mitochondrial dysfunction, neuroinflammation, autophagical disorder and ferroptosis, which have been found to be involved in the development of depression. Inhibition of oxidative stress and related pathological processes can help improve depression. In this regard, the nuclear factor erythroid 2-related factor 2 (Nrf2) in the antioxidant defense system may play a pivotal role. Nrf2 activation can not only regulate the expression of a series of antioxidant genes that reduce oxidative stress and its damages, but also directly regulate the genes related to the above pathological processes to combat the corresponding alterations. Therefore, targeting Nrf2 has great potential for the treatment of depression. Activation of Nrf2 has antidepressant effect, but the specific mechanism remains to be elucidated. This article reviews the key role of Nrf2 in depression, focusing on the possible mechanisms of Nrf2 regulating oxidative stress and related pathological processes in depression treatment. Meanwhile, we summarize some natural and synthetic compounds targeting Nrf2 in depression therapy. All the above may provide new insights into targeting Nrf2 for the treatment of depression and provide a broad basis for clinical transformation.
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Cheng S, Chen C, Wang L. Gelsemine Exerts Neuroprotective Effects on Neonatal Mice with Hypoxic-Ischemic Brain Injury by Suppressing Inflammation and Oxidative Stress via Nrf2/HO-1 Pathway. Neurochem Res 2022; 48:1305-1319. [PMID: 36449197 DOI: 10.1007/s11064-022-03815-6] [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: 01/04/2022] [Revised: 08/26/2022] [Accepted: 09/02/2022] [Indexed: 12/02/2022]
Abstract
Given that the role of Gelsemine in neuroinflammation has been demonstrated, this research aimed to investigate the effect of Gelsemine on neonatal hypoxic-ischemic (HI) brain injury. An in vivo HI brain injury neonatal mouse model and an in vitro oxygen-glucose deprivation (OGD) cell model were established and pretreated with Gelsemine. The brain infarct volume, neuronal loss and apoptosis, as well as spatial learning and memory were examined by TTC staining, Nissl's staining, TUNEL staining and Morris water maze test. Immunohistochemical staining was applied to detect the microglia cells and astrocytes in the mouse brain tissue. The cell viability was analyzed by CCK-8 assay. The levels of malondialdehyde (MDA), superoxide dismutase (SOD), TNF-α, IL-1β, and IL-6 were determined via ELISA. The lactate dehydrogenase (LDH) release and reactive oxygen species (ROS) level in OGD-treated cells were detected by colorimetry and DCFH-DA staining. Nrf2, HO-1, and inflammation-related factors were analyzed by immunofluorescence, qRT-PCR, or western blot. Gelsemine reduced the infarct volume and neuronal loss and apoptosis, yet improved spatial learning and memory impairment of HI-injured mice. Gelsemine inhibited the elevated MDA, TNF-α, IL-1β, IL-6, LDH and ROS levels, promoted the reduced SOD level and viability, and strengthened the up-regulation of HO-1 and Nrf2 in brain tissues and OGD-treated cells. However, Nrf2 silencing reversed the effects of Gelsemine on the Nrf2/HO-1 pathway, inflammation, and oxidative stress in OGD-treated cells. Gelsemine produces neuroprotective effects on neonatal mice with HI brain injury by suppressing inflammation and oxidative stress via Nrf2/HO-1 pathway.
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Affiliation(s)
- Shen Cheng
- Department of Paediatrics, First Affiliated Hospital of Zhejiang, University of Traditional Chinese Medicine, 54 Youdian Road, Hangzhou, 310006, Zhejiang, China
| | - Chen Chen
- Department of Paediatrics, First Affiliated Hospital of Zhejiang, University of Traditional Chinese Medicine, 54 Youdian Road, Hangzhou, 310006, Zhejiang, China
| | - Liling Wang
- Department of Paediatrics, First Affiliated Hospital of Zhejiang, University of Traditional Chinese Medicine, 54 Youdian Road, Hangzhou, 310006, Zhejiang, China.
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Choudhary N, Tewari D, Nabavi SF, Kashani HRK, Lorigooini Z, Filosa R, Khan FB, Masoudian N, Nabavi SM. Plant based food bioactives: A boon or bane for neurological disorders. Crit Rev Food Sci Nutr 2022; 64:3279-3325. [PMID: 36369694 DOI: 10.1080/10408398.2022.2131729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Neurological disorders are the foremost occurring diseases across the globe resulting in progressive dysfunction, loss of neuronal structure ultimately cell death. Therefore, attention has been drawn toward the natural resources for the search of neuroprotective agents. Plant-based food bioactives have emerged as potential neuroprotective agents for the treatment of neurodegenerative disorders. This comprehensive review primarily focuses on various plant food bioactive, mechanisms, therapeutic targets, in vitro and in vivo studies in the treatment of neurological disorders to explore whether they are boon or bane for neurological disorders. In addition, the clinical perspective of plant food bioactives in neurological disorders are also highlighted. Scientific evidences point toward the enormous therapeutic efficacy of plant food bioactives in the prevention or treatment of neurological disorders. Nevertheless, identification of food bioactive components accountable for the neuroprotective effects, mechanism, clinical trials, and consolidation of information flow are warranted. Plant food bioactives primarily act by mediating through various pathways including oxidative stress, neuroinflammation, apoptosis, excitotoxicity, specific proteins, mitochondrial dysfunction, and reversing neurodegeneration and can be used for the prevention and therapy of neurodegenerative disorders. In conclusion, the plant based food bioactives are boon for neurological disorders.
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Affiliation(s)
- Neeraj Choudhary
- Department of Pharmacognosy, Adesh Institute of Pharmacy and Biomedical Sciences, Adesh University, Bathinda, Punjab, India
| | - Devesh Tewari
- Department of Pharmacognosy and Phytochemistry, School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, New Delhi, India
| | - Seyed Fazel Nabavi
- Advanced Medical Pharma (AMP-Biotec), Biopharmaceutical Innovation Centre Via Cortenocera, 82030, San Salvatore Telesino, (BN), Italy
- Nutringredientes Research Center, Federal Institute of Education, Science and Technology (IFCE), Baturite, Ceara, Brazil
| | - Hamid Reza Khayat Kashani
- Department of Neurosurgery, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Lorigooini
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Rosanna Filosa
- Advanced Medical Pharma (AMP-Biotec), Biopharmaceutical Innovation Centre Via Cortenocera, 82030, San Salvatore Telesino, (BN), Italy
- Department of Science and Technology, University of Sannio, 82100, Benevento, Italy
| | - Farheen Badrealam Khan
- Department of Biology, College of Science, The United Arab Emirates University, Al Ain, 15551 United Arab Emirates
| | - Nooshin Masoudian
- Advanced Medical Pharma (AMP-Biotec), Biopharmaceutical Innovation Centre Via Cortenocera, 82030, San Salvatore Telesino, (BN), Italy
| | - Seyed Mohammad Nabavi
- Advanced Medical Pharma (AMP-Biotec), Biopharmaceutical Innovation Centre Via Cortenocera, 82030, San Salvatore Telesino, (BN), Italy
- Nutringredientes Research Center, Federal Institute of Education, Science and Technology (IFCE), Baturite, Ceara, Brazil
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Visco DB, Manhães de Castro R, Guzman-Quevedo O, Toscano AE. Could polyphenols be used as a neuroprotector therapeutic agent in perinatal brain disorders? Nutr Neurosci 2022; 25:2458-2460. [PMID: 34404336 DOI: 10.1080/1028415x.2021.1968104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Diego Bulcão Visco
- Postgraduate Program in Nutrition (Posnutri), Federal University of Pernambuco, Pernambuco, Recife, Brazil.,Studies in Nutrition and Phenotypic Plasticity Unit, Department of Nutrition, Federal University of Pernambuco, Recife, Brazil
| | - Raul Manhães de Castro
- Postgraduate Program in Nutrition (Posnutri), Federal University of Pernambuco, Pernambuco, Recife, Brazil.,Studies in Nutrition and Phenotypic Plasticity Unit, Department of Nutrition, Federal University of Pernambuco, Recife, Brazil
| | - Omar Guzman-Quevedo
- Instituto Tecnológico Superior de Tacámbaro, Tacámbaro, México.,Postgraduate Program in Neuropsychiatry and Behavioral Sciences (Posneuro), Federal University of Pernambuco, Recife, Brazil
| | - Ana Elisa Toscano
- Studies in Nutrition and Phenotypic Plasticity Unit, Department of Nutrition, Federal University of Pernambuco, Recife, Brazil.,Nursing Unit, Vitória Academic Center, Federal University of Pernambuco, Vitória de Santo Antão, Brazil.,Postgraduate Program in Neuropsychiatry and Behavioral Sciences (Posneuro), Federal University of Pernambuco, Recife, Brazil
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Chiang MC, Nicol CJB, Lo SS, Hung SW, Wang CJ, Lin CH. Resveratrol Mitigates Oxygen and Glucose Deprivation-Induced Inflammation, NLRP3 Inflammasome, and Oxidative Stress in 3D Neuronal Culture. Int J Mol Sci 2022; 23:ijms231911678. [PMID: 36232980 PMCID: PMC9570351 DOI: 10.3390/ijms231911678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/16/2022] [Accepted: 09/26/2022] [Indexed: 11/21/2022] Open
Abstract
Oxygen glucose deprivation (OGD) can produce hypoxia-induced neurotoxicity and is a mature in vitro model of hypoxic cell damage. Activated AMP-activated protein kinase (AMPK) regulates a downstream pathway that substantially increases bioenergy production, which may be a key player in physiological energy and has also been shown to play a role in regulating neuroprotective processes. Resveratrol is an effective activator of AMPK, indicating that it may have therapeutic potential as a neuroprotective agent. However, the mechanism by which resveratrol achieves these beneficial effects in SH-SY5Y cells exposed to OGD-induced inflammation and oxidative stress in a 3D gelatin scaffold remains unclear. Therefore, in the present study, we investigated the effect of resveratrol in 3D gelatin scaffold cells to understand its neuroprotective effects on NF-κB signaling, NLRP3 inflammasome, and oxidative stress under OGD conditions. Here, we show that resveratrol improves the expression levels of cell viability, inflammatory cytokines (TNF-α, IL-1β, and IL-18), NF-κB signaling, and NLRP3 inflammasome, that OGD increases. In addition, resveratrol rescued oxidative stress, nuclear factor-erythroid 2 related factor 2 (Nrf2), and Nrf2 downstream antioxidant target genes (e.g., SOD, Gpx GSH, catalase, and HO-1). Treatment with resveratrol can significantly normalize OGD-induced changes in SH-SY5Y cell inflammation, oxidative stress, and oxidative defense gene expression; however, these resveratrol protective effects are affected by AMPK antagonists (Compounds C) blocking. These findings improve our understanding of the mechanism of the AMPK-dependent protective effect of resveratrol under 3D OGD-induced inflammation and oxidative stress-mediated cerebral ischemic stroke conditions.
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Affiliation(s)
- Ming-Chang Chiang
- Department of Life Science, College of Science and Engineering, Fu Jen Catholic University, New Taipei 242304, Taiwan
| | - Christopher J. B. Nicol
- Departments of Pathology and Molecular Medicine, Queen’s University, Kingston, ON K7L 3N6, Canada
- Departments of Biomedical and Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada
- Cancer Biology and Genetics Division, Cancer Research Institute, Queen’s University, Kingston, ON K7L 3N6, Canada
| | - Shy-Shyong Lo
- Department of Life Science, College of Science and Engineering, Fu Jen Catholic University, New Taipei 242304, Taiwan
| | - Shiang-Wei Hung
- Department of Life Science, College of Science and Engineering, Fu Jen Catholic University, New Taipei 242304, Taiwan
| | - Chieh-Ju Wang
- Department of Life Science, College of Science and Engineering, Fu Jen Catholic University, New Taipei 242304, Taiwan
| | - Chien-Hung Lin
- Division of Pediatric Immunology and Nephrology, Department of Pediatrics, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- Department of Pediatrics, Zhongxing Branch, Taipei City Hospital, Taipei 10341, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- College of Science and Engineering, Fu Jen Catholic University, New Taipei 242304, Taiwan
- Correspondence:
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22
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Cai Y, Li X, Tan X, Wang P, Zhao X, Zhang H, Song Y. Vitamin D suppresses ferroptosis and protects against neonatal hypoxic-ischemic encephalopathy by activating the Nrf2/HO-1 pathway. Transl Pediatr 2022; 11:1633-1644. [PMID: 36345441 PMCID: PMC9636464 DOI: 10.21037/tp-22-397] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 09/02/2022] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Hypoxic-ischemic encephalopathy (HIE) is a major cause of neonatal death, and vitamin D (VD) is a neuroprotection nutrition whose deficiency is associated with its risk. However, the mechanism of VD involved in neonatal HIE is not well known. METHODS In this experiment a hypoxic-ischemic brain damage (HIBD) model was established by using the Rice-Vannucci method, rats were intraperitoneally injected with 0.1 µg/kg VD every day for two weeks. The brain damage and mitochondria injury were examined by hematoxylin-eosin (HE) staining and transmission electron microscope (TEM), respectively. The oxidation response and inflammatory factors were determined by enzyme-linked immunosorbent assay (ELISA), and the cell viability was determined by Cell Counting Kit-8 (CCK-8). mRNA and protein expression were detected by quantitative real real-time PCR (qRT-PCR), Western blot, and immunofluorescence. RESULTS The results showed VD effectively ameliorated brain histologic damage and mitochondria injury induced by hypoxic ischemia (HI). VD elevated the expression of Nrf2 and HO-1, which resulted in increased levels of GPX4, superoxide dismutase (SOD), and glutathione (GSH) and reduced content of malondialdehyde (MDA) and reactive oxygen species (ROS), resulting in decreased ferroptosis in HI-treated rats. Moreover, VD reduced the secretion of inflammatory factors, tumor necrosis factor-α (TNF-α), interleukin (IL)-6, and IL-1β. CONCLUSIONS VD suppresses ferroptosis through activation of the Nrf2/HO-1 signaling pathway and exerts a protective role in neonatal HIE.
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Affiliation(s)
- Yueju Cai
- Department of Neonatology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Xiaolan Li
- Department of Children Healthcare, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Xuying Tan
- Department of Children Healthcare, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Ping Wang
- Department of Neonatology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Xiaopeng Zhao
- Department of Neonatology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Huayan Zhang
- Department of Neonatology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yanyan Song
- Department of Children Healthcare, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
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23
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Roumes H, Goudeneche P, Pellerin L, Bouzier-Sore AK. Resveratrol and Some of Its Derivatives as Promising Prophylactic Treatments for Neonatal Hypoxia-Ischemia. Nutrients 2022; 14:nu14183793. [PMID: 36145168 PMCID: PMC9501144 DOI: 10.3390/nu14183793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 11/16/2022] Open
Abstract
Due to the rate of occurrence of neonatal hypoxia-ischemia, its neuronal sequelae, and the lack of effective therapies, the development of new neuroprotective strategies is required. Polyphenols (including resveratrol) are molecules whose anti-apoptotic, anti-inflammatory, and anti-oxidative properties could be effective against the damage induced by neonatal hypoxia-ischemia. In this review article, very recent data concerning the neuroprotective role of polyphenols and the mechanisms at play are detailed, including a boost in brain energy metabolism. The results obtained with innovative approaches, such as maternal supplementation at nutritional doses, suggest that polyphenols could be a promising prophylactic treatment for neonatal hypoxia-ischemia.
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Affiliation(s)
- Hélène Roumes
- Centre de Résonance Magnétique des Sysytèmes Biologiques (CRMSB), UMR 5536, University of Bordeaux and CNRS, F-33000 Bordeaux, France
- Correspondence:
| | - Pierre Goudeneche
- Centre de Résonance Magnétique des Sysytèmes Biologiques (CRMSB), UMR 5536, University of Bordeaux and CNRS, F-33000 Bordeaux, France
| | - Luc Pellerin
- Ischémie Reperfusion, Métabolisme et Inflammation Stérile en Transplantation (IRMETIST), Inserm U1313, University of Poitiers and CHU Poitiers, F-86021 Poitiers, France
| | - Anne-Karine Bouzier-Sore
- Centre de Résonance Magnétique des Sysytèmes Biologiques (CRMSB), UMR 5536, University of Bordeaux and CNRS, F-33000 Bordeaux, France
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24
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Singh P, Barman B, Thakur MK. Oxidative stress-mediated memory impairment during aging and its therapeutic intervention by natural bioactive compounds. Front Aging Neurosci 2022; 14:944697. [PMID: 35959291 PMCID: PMC9357995 DOI: 10.3389/fnagi.2022.944697] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
Aging and associated neurodegenerative diseases are accompanied by the decline of several brain functions including cognitive abilities. Progressive deleterious changes at biochemical and physiological levels lead to the generation of oxidative stress, accumulation of protein aggregates, mitochondrial dysfunctions, loss of synaptic connections, and ultimately neurodegeneration and cognitive decline during aging. Oxidative stress that arises due to an imbalance between the rates of production and elimination of free radicles is the key factor for age-associated neurodegeneration and cognitive decline. Due to high energy demand, the brain is more susceptible to free radicals-mediated damages as they oxidize lipids, proteins, and nucleic acids, thereby causing an imbalance in the homeostasis of the aging brain. Animal, as well as human subject studies, showed that with almost no or few side effects, dietary interventions and plant-derived bioactive compounds could be beneficial to recovering the memory or delaying the onset of memory impairment. As the plant-derived bioactive compounds have antioxidative properties, several of them were used to recover the oxidative stress-mediated changes in the aging brain. In the present article, we review different aspects of oxidative stress-mediated cognitive change during aging and its therapeutic intervention by natural bioactive compounds.
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Affiliation(s)
- Padmanabh Singh
- Department of Zoology, Banaras Hindu University, Varanasi, India
- Department of Zoology, Indira Gandhi National Tribal University, Amarkantak, India
| | - Bhabotosh Barman
- Department of Zoology, Banaras Hindu University, Varanasi, India
| | - Mahendra Kumar Thakur
- Department of Zoology, Banaras Hindu University, Varanasi, India
- *Correspondence: Mahendra Kumar Thakur,
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25
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The Role of Resveratrol in Eye Diseases—A Review of the Literature. Nutrients 2022; 14:nu14142974. [PMID: 35889930 PMCID: PMC9317487 DOI: 10.3390/nu14142974] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/11/2022] [Accepted: 07/18/2022] [Indexed: 02/01/2023] Open
Abstract
Resveratrol (3,5,4′-trans-trihydroxystilbene) is a polyphenolic phytoalexin belonging to the stilbene family. It is commonly found in grape skins and seeds, as well as other plant-based foods. Oxidative stress and inflammation play a key role in the initiation and progression of age-related eye disorders (glaucoma, cataracts, diabetic retinopathy, and macular degeneration) that lead to a progressive loss of vision and blindness. Even though the way resveratrol affects the human body and the course of many diseases is still the subject of ongoing scientific research, it has been shown that the broad spectrum of anti-inflammatory and neuroprotective properties of resveratrol has a beneficial effect on eye tissues. In our research, we decided to analyze the current scientific literature on resveratrol, its possible mechanisms of action, and its therapeutic application in order to assess its effectiveness in eye diseases.
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26
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Wang Y, Wu Y, Peng S. Resveratrol inhibits the inflammatory response and oxidative stress induced by uterine ischemia reperfusion injury by activating PI3K-AKT pathway. PLoS One 2022; 17:e0266961. [PMID: 35749345 PMCID: PMC9231784 DOI: 10.1371/journal.pone.0266961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 03/30/2022] [Indexed: 11/18/2022] Open
Abstract
Uterus transplantation is a complex surgical procedure. Uterine ischemia reperfusion (I/R) injury that occurs during this process may cause a loss of function of the uterus and the failure of transplantation. Resveratrol (RSV) is a naturally occurring polyphenol found abundantly in the skin of grapes and red wine, and it has also been used as a dietary supplement in clinical practice. RSV possesses strong anti-inflammatory and anti-oxidative effects, and exhibits a role in immune system regulation. However, the role of RSV in protecting the uterus against I/R-induced injury is yet to be fully elucidated. The aim of the present study was to investigate the effects and mechanisms underlying RSV in I/R-induced uterus injury. A total of 48 Sprague-Dawley rats were randomly divided into four groups: Control (sham operation) group, the uterus I/R group, the 20 mg/kg RSV-pre-treated I/R (I/R+RSV/20) group and the 40 mg/kg RSV-pre-treated I/R (I/R+ RSV/40) group. A regular I/R model was established to induce uterus injury in rats. RSV at 20 or 40 mg/kg was intraperitoneally administrated into rats in both I/R+ RSV groups once per day for five consecutive days prior to ischemia. The control and I/R only groups received an intraperitoneal injection of the vehicle (ethanol) for the same period prior to ischemia. Samples from blood and uterine horns were collected 3 h after reperfusion. Changes in the levels of malondialdehyde, interleukin (IL)-6, tumor necrosis factor-α, IL-10 and IL-37 were determined using ELISA, the activity levels of myeloperoxidase, catalase, and superoxidase dismutase were also determined using ELISA, the protein expression levels of PI3K, phosphorylated (p)-PI3K, AKT and p-AKT were determined using western blot analysis, and the uterine histology was investigated using H&E staining. Results of the present study demonstrated that treatment with RSV increased the capacity of antioxidants and suppressed uterine oxidative injury induced by I/R. Moreover, treatment with RSV decreased the levels of pro-inflammatory cytokines and increased the levels of anti-inflammatory cytokines. In addition, RSV promoted the phosphorylation of PI3K and AKT, thus activating the PI3K-AKT signaling pathway. Therefore, administration of RSV prior to uterine I/R effectively alleviated inflammatory response and oxidative stress via activation of the PI3K-AKT pathway, suggesting that RSV may play a protective role in I/R-induced uterus injury.
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Affiliation(s)
- Ying Wang
- Reproductive Medicine Center, Jingzhou Hospital Affiliated to Yangtze University, Jingzhou, Hubei, China
| | - Yong Wu
- Reproductive Medicine Center, Jingzhou Hospital Affiliated to Yangtze University, Jingzhou, Hubei, China
| | - Shu Peng
- Reproductive Medicine, Maternal and Child Health Hospital of Hubei Province, Wuhan, Hubei, China
- * E-mail:
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27
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Chlorogenic acid exerts neuroprotective effect against hypoxia-ischemia brain injury in neonatal rats by activating Sirt1 to regulate the Nrf2-NF-κB signaling pathway. Cell Commun Signal 2022; 20:84. [PMID: 35689269 PMCID: PMC9185968 DOI: 10.1186/s12964-022-00860-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 03/06/2022] [Indexed: 12/22/2022] Open
Abstract
Background Neonatal hypoxic-ischemic brain injury (HIE) is caused by perinatal asphyxia, which is associated with various confounding factors. Although studies on the pathogenesis and treatment of HIE have matured, sub-hypothermia is the only clinical treatment available for HIE. Previous evidence indicates that chlorogenic acid (CGA) exerts a potential neuroprotective effect on brain injury. However, the role of CGA on neonatal HI brain damage and the exact mechanism remains elusive. Here, we investigate the effects of CGA on HI models in vivo and in vitro and explore the underlying mechanism. Methods In the in vivo experiment, we ligated the left common carotid artery of 7-day-old rats and placed the rats in a hypoxic box for 2 h. We did not ligate the common carotid artery of the pups in the sham group since they did not have hypoxia. Brain atrophy and infarct size were evaluated by Nissl staining, HE staining and 2,3,5-triphenyltetrazolium chloride monohydrate (TTC) staining. Morris Water Maze test (MWM) was used to evaluate neurobehavioral disorders. Western-blotting and immunofluorescence were used to detect the cell signaling pathway. Malondialdehyde (MDA) content test, catalase (CAT) activity detection and Elisa Assay was used to detect levels of inflammation and oxidative stress. in vitro experiments were performed on isolated primary neurons. Result In our study, pretreatment with CGA significantly decreased the infarct volume of neonatal rats after HI, alleviated brain edema, and improved tissue structure in vivo. Moreover, we used the Morris water maze to verify CGA’s effects on enhancing the learning and cognitive ability and helping to maintain the long-term spatial memory after HI injury. However, Sirt1 inhibitor EX-527 partially reversed these therapeutic effects. CGA pretreatment inhibited neuronal apoptosis induced by HI by reducing inflammation and oxidative stress. The findings suggest that CGA potentially activates Sirt1 to regulate the Nrf2-NF-κB signaling pathway by forming complexes thereby protecting primary neurons from oxygen-glucose deprivation (OGD) damage. Also, CGA treatment significantly suppresses HI-induced proliferation of glial. Conclusion Collectively, this study uncovered the underlying mechanism of CGA on neonatal HI brain damage. CGA holds promise as an effective neuroprotective agent to promote neonatal brain recovery from HI-induced injury. Graphical Abstract ![]()
Video Abstract
Supplementary Information The online version contains supplementary material available at 10.1186/s12964-022-00860-0.
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28
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Weinzierl A, Ampofo E, Menger MD, Laschke MW. Tissue-Protective Mechanisms of Bioactive Phytochemicals in Flap Surgery. Front Pharmacol 2022; 13:864351. [PMID: 35548348 PMCID: PMC9081973 DOI: 10.3389/fphar.2022.864351] [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: 01/31/2022] [Accepted: 03/24/2022] [Indexed: 11/21/2022] Open
Abstract
Despite careful preoperative planning, surgical flaps are prone to ischemic tissue damage and ischemia–reperfusion injury. The resulting wound breakdown and flap necrosis increase both treatment costs and patient morbidity. Hence, there is a need for strategies to promote flap survival and prevent ischemia-induced tissue damage. Phytochemicals, defined as non-essential, bioactive, and plant-derived molecules, are attractive candidates for perioperative treatment as they have little to no side effects and are well tolerated by most patients. Furthermore, they have been shown to exert beneficial combinations of pro-angiogenic, anti-inflammatory, anti-oxidant, and anti-apoptotic effects. This review provides an overview of bioactive phytochemicals that have been used to increase flap survival in preclinical animal models and discusses the underlying molecular and cellular mechanisms.
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Affiliation(s)
- Andrea Weinzierl
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg, Germany
| | - Emmanuel Ampofo
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg, Germany
| | - Michael D Menger
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg, Germany
| | - Matthias W Laschke
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg, Germany
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Li Y, Zhang JJ, Chen RJ, Chen L, Chen S, Yang XF, Min JW. Genistein mitigates oxidative stress and inflammation by regulating Nrf2/HO-1 and NF-κB signaling pathways in hypoxic-ischemic brain damage in neonatal mice. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:32. [PMID: 35282070 PMCID: PMC8848430 DOI: 10.21037/atm-21-4958] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 11/26/2021] [Indexed: 01/26/2023]
Abstract
Background Oxidative stress and neuroinflammation play crucial roles in the progression of neonatal hypoxic-ischemic brain damage (HIBD). Genistein, a natural phytoestrogen, has been found to protect against ischemic brain injury. However, its effects and potential mechanisms in HIBD have not yet been explored. Methods A neonatal mouse model of hypoxia-ischemia (HI) and a cell model of oxygen-glucose deprivation/reperfusion (OGD/R) were employed. In the in vivo study, genistein (10 mg/kg; ip) was administered in mice once daily for 3 consecutive days before the operation and once immediately after HI. The effects of genistein treatment on acute brain damage and long-term responses were evaluated. Neuronal injury and apoptosis were estimated using hematoxylin and eosin (H&E) and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining, respectively. The expression of apoptosis-related proteins were also measured by Western blot analysis. Dihydroethidium (DHE) staining and glutathione (GSH) and malondialdehyde (MDA) production were determined to assess the extent of oxidative stress. The messenger RNA (mRNA) levels of proinflammatory cytokines were detected using real-time quantitative polymerase chain reaction (RT-qPCR) to evaluate the extent of neuroinflammation. In the in vitro study, cell counting kit-8 (CCK-8) and lactate dehydrogenase (LDH) assays, as well as propidium iodide (PI) staining, were performed to analyse the neuroprotective effects of genistein on primary cortical neurons. Western blot assays were used to detect the levels of nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), phosphorylated inhibitor kappa B-α (p-IκB-α) and phosphorylated nuclear factor-kappa B (p-NF-κB) both in vivo and in vitro. Results Our results showed that genistein treatment effectively reduced cerebral infarction, attenuated neuronal injury and apoptosis, and contributed to the long-term recovery of neurological outcomes and brain atrophy in neonatal HIBD mice. Moreover, genistein ameliorated HIBD-induced oxidative stress and neuroinflammation. Meanwhile, genistein significantly increased cell viability, reversed neuronal injury and decreased cell apoptosis after OGD/R injury. Finally, the activation of the Nrf2/HO-1 pathway and inhibition of the NF-κB pathway by genistein were verified in the brain tissues of neonatal mice subjected to HIBD and in primary cortical neurons exposed to OGD/R. Conclusions Genistein exerted neuroprotective effects on HIBD by attenuating oxidative stress and neuroinflammation through the Nrf2/HO-1 and NF-κB signalling pathways.
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Affiliation(s)
- Yuan Li
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
| | - Jin-Jia Zhang
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
| | - Ru-Jia Chen
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
| | - Ling Chen
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
| | - Su Chen
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
| | - Xiao-Fei Yang
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
| | - Jia-Wei Min
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, China
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Maharjan CK, Mo J, Wang L, Kim MC, Wang S, Borcherding N, Vikas P, Zhang W. Natural and Synthetic Estrogens in Chronic Inflammation and Breast Cancer. Cancers (Basel) 2021; 14:cancers14010206. [PMID: 35008370 PMCID: PMC8744660 DOI: 10.3390/cancers14010206] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/17/2021] [Accepted: 12/19/2021] [Indexed: 12/17/2022] Open
Abstract
The oncogenic role of estrogen receptor (ER) signaling in breast cancer has long been established. Interaction of estrogen with estrogen receptor (ER) in the nucleus activates genomic pathways of estrogen signaling. In contrast, estrogen interaction with the cell membrane-bound G-protein-coupled estrogen receptor (GPER) activates the rapid receptor-mediated signaling transduction cascades. Aberrant estrogen signaling enhances mammary epithelial cell proliferation, survival, and angiogenesis, hence is an important step towards breast cancer initiation and progression. Meanwhile, a growing number of studies also provide evidence for estrogen's pro- or anti-inflammatory roles. As other articles in this issue cover classic ER and GPER signaling mediated by estrogen, this review will discuss the crucial mechanisms by which estrogen signaling influences chronic inflammation and how that is involved in breast cancer. Xenoestrogens acquired from plant diet or exposure to industrial products constantly interact with and alter innate estrogen signaling at various levels. As such, they can modulate chronic inflammation and breast cancer development. Natural xenoestrogens generally have anti-inflammatory properties, which is consistent with their chemoprotective role in breast cancer. In contrast, synthetic xenoestrogens are proinflammatory and carcinogenic compounds that can increase the risk of breast cancer. This article also highlights important xenoestrogens with a particular focus on their role in inflammation and breast cancer. Improved understanding of the complex relationship between estrogens, inflammation, and breast cancer will guide clinical research on agents that could advance breast cancer prevention and therapy.
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Affiliation(s)
- Chandra K. Maharjan
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32610, USA; (C.K.M.); (J.M.); (L.W.); (M.-C.K.)
| | - Jiao Mo
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32610, USA; (C.K.M.); (J.M.); (L.W.); (M.-C.K.)
| | - Lei Wang
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32610, USA; (C.K.M.); (J.M.); (L.W.); (M.-C.K.)
| | - Myung-Chul Kim
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32610, USA; (C.K.M.); (J.M.); (L.W.); (M.-C.K.)
| | - Sameul Wang
- Canyonoak Consulting LLC, San Diego, CA 92127, USA;
| | - Nicholas Borcherding
- Department of Pathology and Immunology, School of Medicine, Washington University, St. Louis, MO 63110, USA;
| | - Praveen Vikas
- Department of Internal Medicine, Carver College of Medicine, Iowa City, IA 52242, USA;
| | - Weizhou Zhang
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32610, USA; (C.K.M.); (J.M.); (L.W.); (M.-C.K.)
- Mechanism of Oncogenesis Program, University of Florida Health Cancer Center, University of Florida, Gainesville, FL 32610, USA
- Correspondence: to: ; Tel.: +1-352-273-6748
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Sun L. F-box and WD repeat domain-containing 7 (FBXW7) mediates the hypoxia inducible factor-1α (HIF-1α)/vascular endothelial growth factor (VEGF) signaling pathway to affect hypoxic-ischemic brain damage in neonatal rats. Bioengineered 2021; 13:560-572. [PMID: 34951343 PMCID: PMC8805906 DOI: 10.1080/21655979.2021.2011635] [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] [Indexed: 11/06/2022] Open
Abstract
The aim of this study was to determine whether F-box and WD repeat domain-containing 7 (FBXW7) can mediate the hypoxia inducible factor-1α (HIF-1α)/vascular endothelial growth factor (VEGF) signaling pathway to affect neonatal hypoxic-ischemic brain damage (HIBD) in neonatal rats. HIBD rats were treated with LV-shFBXW7. Cerebral infarct size was determined by 2,3,5-triphenyltetrazolium chloride (TTC) staining, while microvessel density (MVD) was evaluated by immunohistochemistry. Learning and memory were tested using the Morris water maze (MWM) test. FBXW7 and HIF-1α/VEGF signaling pathway proteins were measured by Western blotting. Brain microvascular endothelial cells (BMECs) were isolated to establish an oxygen-glucose deprivation (OGD) model to evaluate treatment with FBXW7 siRNA. Cell viability was detected using a 3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide (MTT) assay, while cell migration was evaluated using a wound healing assay. The tube formation of BMECs was also assessed. The results demonstrated that HIBD rats exhibited increased protein expression of FBXW7, HIF-1α, and VEGF. HIBD rats also displayed increased cerebral infarct size, prolonged escape latency and a decreased number of platform crossings. However, HIBD rats treated with LV-shFBXW7 exhibited reversal of these changes. In vitro experiments showed that BMECs in the OGD group had significantly decreased cell viability, shorter vascular lumen length, and shorter migration distance than cells in the control group. Moreover, silencing FBXW7 promoted proliferation, tube formation and migration of BMECs. Taken together, silencing FBXW7 upregulates the HIF-1α/VEGF signaling pathway to promote the angiogenesis of neonatal HIBD rats after brain injury, reducing infarct volume and improving recovery of nerve function in HIBD rats.
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Affiliation(s)
- Ling Sun
- Neonatal Intensive Care Unit, Yantaishan Hospital, Yantai, China
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32
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Xie S, Jiang X, Doycheva DM, Shi H, Jin P, Gao L, Liu R, Xiao J, Hu X, Tang J, Zhang L, Zhang JH. Activation of GPR39 with TC-G 1008 attenuates neuroinflammation via SIRT1/PGC-1α/Nrf2 pathway post-neonatal hypoxic-ischemic injury in rats. J Neuroinflammation 2021; 18:226. [PMID: 34645465 PMCID: PMC8513331 DOI: 10.1186/s12974-021-02289-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 10/04/2021] [Indexed: 11/10/2022] Open
Abstract
Background Hypoxic–ischemic encephalopathy (HIE) is a severe anoxic brain injury that leads to premature mortality or long-term disabilities in infants. Neuroinflammation is a vital contributor to the pathogenic cascade post-HIE and a mediator to secondary neuronal death. As a plasma membrane G-protein-coupled receptor, GPR39, exhibits anti-inflammatory activity in several diseases. This study aimed to explore the neuroprotective function of GPR39 through inhibition of inflammation post-hypoxic–ischemic (HI) injury and to elaborate the contribution of sirtuin 1(SIRT1)/peroxisome proliferator-activated receptor-γ coactivator 1α (PGC-1α)/nuclear factor, erythroid 2 like 2(Nrf2) in G-protein-coupled receptor 39 (GPR39)-mediated protection. Methods A total of 206 10-day-old Sprague Dawley rat pups were subjected to HIE or sham surgery. TC-G 1008 was administered intranasally at 1 h, 25 h, 49 h, and 73 h post-HIE induction. SIRT1 inhibitor EX527, GPR39 CRISPR, and PGC-1α CRISPR were administered to elucidate the underlying mechanisms. Brain infarct area, short-term and long-term neurobehavioral tests, Nissl staining, western blot, and immunofluorescence staining were performed post-HIE. Results The expression of GPR39 and pathway-related proteins, SIRT1, PGC-1α and Nrf2 were increased in a time-dependent manner, peaking at 24 h or 48-h post-HIE. Intranasal administration of TC-G 1008 reduced the percent infarcted area and improved short-term and long-term neurological deficits. Moreover, TC-G 1008 treatment significantly increased the expression of SIRT1, PGC-1α and Nrf2, but downregulated the expressions of IL-6, IL-1β, and TNF-α. GPR39 CRISPR EX527 and PGC-1α CRISPR abolished GPR39’s neuroprotective effects post-HIE.
Conclusions TC-G 1008 attenuated neuroinflammation in part via the SIRT1/PGC-1α/Nrf2 pathway in a neonatal rat model of HIE. TC-G 1008 may be a novel therapeutic target for treatment post-neonatal HIE injury. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-021-02289-7.
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Affiliation(s)
- Shucai Xie
- Department of Critical Care Medicine, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.,Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA
| | - Xili Jiang
- Department of Radiology, The Second People's Hospital of Hunan Province/Brain Hospital of Hunan Province, Changsha, 410007, Hunan, China
| | - Desislava Met Doycheva
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA
| | - Hui Shi
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA.,Department of Neurosurgery, Chongqing Medical University, Yongchuan Hospital, Yongchuan, Chongqing, 402160, China
| | - Peng Jin
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA.,Department of Intensive Care Unit, HuaShan Hospital, Fudan University, Shanghai, 200040, China
| | - Ling Gao
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA.,Department of Neurosurgery, Affiliated Haikou Hospital, Xiangya School of Medicine, Central South University, Haikou, 570208, China
| | - Rui Liu
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA.,Department of Neurology, Guizhou Provincial People's Hospital, Guiyang, 550002, Guizhou, China
| | - Jie Xiao
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA.,Department of Emergency, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Xiao Hu
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA.,Department of Neurology, Guizhou Provincial People's Hospital, Guiyang, 550002, Guizhou, China
| | - Jiping Tang
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA
| | - Lina Zhang
- Department of Critical Care Medicine, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
| | - John H Zhang
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA. .,Department of Neurosurgery and Anesthesiology, Loma Linda University Medical Center, Loma Linda, CA, 92354, USA.
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Miguel CA, Noya-Riobó MV, Mazzone GL, Villar MJ, Coronel MF. Antioxidant, anti-inflammatory and neuroprotective actions of resveratrol after experimental nervous system insults. Special focus on the molecular mechanisms involved. Neurochem Int 2021; 150:105188. [PMID: 34536545 DOI: 10.1016/j.neuint.2021.105188] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/11/2021] [Accepted: 09/13/2021] [Indexed: 11/19/2022]
Abstract
After different types of acute central nervous system insults, including stroke, subarachnoid haemorrhage and traumatic brain and spinal cord injuries, secondary damage plays a central role in the induction of cell death, neurodegeneration and functional deficits. Interestingly, secondary cell death presents an attractive target for clinical intervention because the temporal lag between injury and cell loss provides a potential window for effective treatment. While primary injuries are the direct result of the precipitating insult, secondary damage involves the activation of pathological cascades through which endogenous factors can exacerbate initial tissue damage. Secondary processes, usually interactive and overlapping, include oxidative stress, neuroinflammation and dysregulation of autophagy, ultimately leading to cell death. Resveratrol, a natural stilbene present at relatively high concentrations in grape skin and red wine, exerts a wide range of beneficial health effects. Within the central nervous system, in addition to its inherent free radical scavenging role, resveratrol increases endogenous cellular antioxidant defences thus modulating multiple synergistic pathways responsible for its antioxidant, anti-inflammatory and anti-apoptotic properties. During the last years, a growing body of in vitro and in vivo evidence has been built, indicating that resveratrol can induce a neuroprotective state and attenuate functional deficits when administered acutely after an experimental injury to the central nervous system. In this review, we summarize the most recent findings on the molecular pathways involved in the neuroprotective effects of this multi target polyphenol, and discuss its neuroprotective potential after brain or spinal cord injuries.
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Affiliation(s)
- C A Miguel
- Laboratorio de Dolor en Cáncer, Instituto de Investigaciones en Medicina Traslacional CONICET - Universidad Austral, Av. Pte. Perón 1500, B1629AHJ, Pilar, Buenos Aires, Argentina
| | - M V Noya-Riobó
- Laboratorio de Dolor en Cáncer, Instituto de Investigaciones en Medicina Traslacional CONICET - Universidad Austral, Av. Pte. Perón 1500, B1629AHJ, Pilar, Buenos Aires, Argentina
| | - G L Mazzone
- Laboratorio de Dolor en Cáncer, Instituto de Investigaciones en Medicina Traslacional CONICET - Universidad Austral, Av. Pte. Perón 1500, B1629AHJ, Pilar, Buenos Aires, Argentina; Facultad de Ciencias Biomédicas, Universidad Austral, Av. Pte. Perón 1500, B1629AHJ, Pilar, Buenos Aires, Argentina
| | - M J Villar
- Laboratorio de Dolor en Cáncer, Instituto de Investigaciones en Medicina Traslacional CONICET - Universidad Austral, Av. Pte. Perón 1500, B1629AHJ, Pilar, Buenos Aires, Argentina; Facultad de Ciencias Biomédicas, Universidad Austral, Av. Pte. Perón 1500, B1629AHJ, Pilar, Buenos Aires, Argentina
| | - M F Coronel
- Laboratorio de Dolor en Cáncer, Instituto de Investigaciones en Medicina Traslacional CONICET - Universidad Austral, Av. Pte. Perón 1500, B1629AHJ, Pilar, Buenos Aires, Argentina; Facultad de Ciencias Biomédicas, Universidad Austral, Av. Pte. Perón 1500, B1629AHJ, Pilar, Buenos Aires, Argentina.
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Tetorou K, Sisa C, Iqbal A, Dhillon K, Hristova M. Current Therapies for Neonatal Hypoxic-Ischaemic and Infection-Sensitised Hypoxic-Ischaemic Brain Damage. Front Synaptic Neurosci 2021; 13:709301. [PMID: 34504417 PMCID: PMC8421799 DOI: 10.3389/fnsyn.2021.709301] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 07/19/2021] [Indexed: 12/15/2022] Open
Abstract
Neonatal hypoxic-ischaemic brain damage is a leading cause of child mortality and morbidity, including cerebral palsy, epilepsy, and cognitive disabilities. The majority of neonatal hypoxic-ischaemic cases arise as a result of impaired cerebral perfusion to the foetus attributed to uterine, placental, or umbilical cord compromise prior to or during delivery. Bacterial infection is a factor contributing to the damage and is recorded in more than half of preterm births. Exposure to infection exacerbates neuronal hypoxic-ischaemic damage thus leading to a phenomenon called infection-sensitised hypoxic-ischaemic brain injury. Models of neonatal hypoxia-ischaemia (HI) have been developed in different animals. Both human and animal studies show that the developmental stage and the severity of the HI insult affect the selective regional vulnerability of the brain to damage, as well as the subsequent clinical manifestations. Therapeutic hypothermia (TH) is the only clinically approved treatment for neonatal HI. However, the number of HI infants needed to treat with TH for one to be saved from death or disability at age of 18-22 months, is approximately 6-7, which highlights the need for additional or alternative treatments to replace TH or increase its efficiency. In this review we discuss the mechanisms of HI injury to the immature brain and the new experimental treatments studied for neonatal HI and infection-sensitised neonatal HI.
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Affiliation(s)
| | | | | | | | - Mariya Hristova
- Perinatal Brain Repair Group, Department of Maternal and Fetal Medicine, UCL Institute for Women’s Health, London, United Kingdom
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35
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Resveratrol activates PI3K/AKT to reduce myocardial cell apoptosis and mitochondrial oxidative damage caused by myocardial ischemia/reperfusion injury. Acta Histochem 2021; 123:151739. [PMID: 34107386 DOI: 10.1016/j.acthis.2021.151739] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 06/02/2021] [Accepted: 06/03/2021] [Indexed: 12/13/2022]
Abstract
Resveratrol is a kind of iPolyphenols widely existing in herbal medicine. Here we aim to investigate whether resveratrol can reduce the degree of myocardial ischemia/reperfusion (IR) injury and inhibit the development of oxidative stress, and elucidate the molecular mechanism of resveratrol in protecting myocardial cells. The primary rat cardiomyocytes were used to establish an ischemia/reperfusion model in vitro, and a series of routine biochemical experiments were conducted to explore the antioxidant and anti-apoptotic effects of resveratrol in myocardial ischemia-reperfusion injury. Compared with that of the simulated ischemia-refusion (SIR) group, cell viability in the SIR and resveratrol co-treatment groups increased significantly (P < 0.001), the release of lactate dehydrogenase (LDH) and creatine kinase MB (CKMB) decreased, the positive rate of reactive oxygen species (ROS) in cardiomyocytes decreased, and the concentration of catalase and glutathione peroxidase increased significantly (P < 0.001). Besides, resveratrol can activate PI3K/AKT signaling pathway. PI3K siRNA can inhibit the PI3K/AKT signaling mediated by resveratrol. The addition of resveratrol can significantly increase the activity of mitochondrial superoxide dismutase (SOD) and reduce the malondialdehyde (MDA), which indicates that the oxidative damage of mitochondria induced by resveratrol was significantly weakened. The mitochondrial functional changes induced by resveratrol can be reversed by PI3K siRNA. In conclusion, our study shows that resveratrol can reduce ROS in cardiomyocytes by PI3K/AKT signaling pathway activation, and effectively inhibit the apoptosis of cardiomyocytes, thus having a direct protective effect on cardiomyocytes under SR.
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Xie Q, Li H, Lu D, Yuan J, Ma R, Li J, Ren M, Li Y, Chen H, Wang J, Gong D. Neuroprotective Effect for Cerebral Ischemia by Natural Products: A Review. Front Pharmacol 2021; 12:607412. [PMID: 33967750 PMCID: PMC8102015 DOI: 10.3389/fphar.2021.607412] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 03/08/2021] [Indexed: 12/12/2022] Open
Abstract
Natural products have a significant role in the prevention of disease and boosting of health in humans and animals. Stroke is a disease with high prevalence and incidence, the pathogenesis is a complex cascade reaction. In recent years, it’s reported that a vast number of natural products have demonstrated beneficial effects on stroke worldwide. Natural products have been discovered to modulate activities with multiple targets and signaling pathways to exert neuroprotection via direct or indirect effects on enzymes, such as kinases, regulatory receptors, and proteins. This review provides a comprehensive summary of the established pharmacological effects and multiple target mechanisms of natural products for cerebral ischemic injury in vitro and in vivo preclinical models, and their potential neuro-therapeutic applications. In addition, the biological activity of natural products is closely related to their structure, and the structure-activity relationship of most natural products in neuroprotection is lacking, which should be further explored in future. Overall, we stress on natural products for their role in neuroprotection, and this wide band of pharmacological or biological activities has made them suitable candidates for the treatment of stroke.
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Affiliation(s)
- Qian Xie
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hongyan Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Danni Lu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jianmei Yuan
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Rong Ma
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jinxiu Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Mihong Ren
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yong Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hai Chen
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jian Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Daoyin Gong
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
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The Keap1-Nrf2 System: A Mediator between Oxidative Stress and Aging. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6635460. [PMID: 34012501 PMCID: PMC8106771 DOI: 10.1155/2021/6635460] [Citation(s) in RCA: 162] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 04/05/2021] [Accepted: 04/11/2021] [Indexed: 02/06/2023]
Abstract
Oxidative stress, a term that describes the imbalance between oxidants and antioxidants, leads to the disruption of redox signals and causes molecular damage. Increased oxidative stress from diverse sources has been implicated in most senescence-related diseases and in aging itself. The Kelch-like ECH-associated protein 1- (Keap1-) nuclear factor-erythroid 2-related factor 2 (Nrf2) system can be used to monitor oxidative stress; Keap1-Nrf2 is closely associated with aging and controls the transcription of multiple antioxidant enzymes. Simultaneously, Keap1-Nrf2 signaling is also modulated by a more complex regulatory network, including phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt), protein kinase C, and mitogen-activated protein kinase. This review presents more information on aging-related molecular mechanisms involving Keap1-Nrf2. Furthermore, we highlight several major signals involved in Nrf2 unbinding from Keap1, including cysteine modification of Keap1 and phosphorylation of Nrf2, PI3K/Akt/glycogen synthase kinase 3β, sequestosome 1, Bach1, and c-Myc. Additionally, we discuss the direct interaction between Keap1-Nrf2 and the mammalian target of rapamycin pathway. In summary, we focus on recent progress in research on the Keap1-Nrf2 system involving oxidative stress and aging, providing an empirical basis for the development of antiaging drugs.
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Reyes-Corral M, Sola-Idígora N, de la Puerta R, Montaner J, Ybot-González P. Nutraceuticals in the Prevention of Neonatal Hypoxia-Ischemia: A Comprehensive Review of their Neuroprotective Properties, Mechanisms of Action and Future Directions. Int J Mol Sci 2021; 22:2524. [PMID: 33802413 PMCID: PMC7959318 DOI: 10.3390/ijms22052524] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 02/25/2021] [Accepted: 02/26/2021] [Indexed: 12/22/2022] Open
Abstract
Neonatal hypoxia-ischemia (HI) is a brain injury caused by oxygen deprivation to the brain due to birth asphyxia or reduced cerebral blood perfusion, and it often leads to lifelong limiting sequelae such as cerebral palsy, seizures, or mental retardation. HI remains one of the leading causes of neonatal mortality and morbidity worldwide, and current therapies are limited. Hypothermia has been successful in reducing mortality and some disabilities, but it is only applied to a subset of newborns that meet strict inclusion criteria. Given the unpredictable nature of the obstetric complications that contribute to neonatal HI, prophylactic treatments that prevent, rather than rescue, HI brain injury are emerging as a therapeutic alternative. Nutraceuticals are natural compounds present in the diet or used as dietary supplements that have antioxidant, anti-inflammatory, or antiapoptotic properties. This review summarizes the preclinical in vivo studies, mostly conducted on rodent models, that have investigated the neuroprotective properties of nutraceuticals in preventing and reducing HI-induced brain damage and cognitive impairments. The natural products reviewed include polyphenols, omega-3 fatty acids, vitamins, plant-derived compounds (tanshinones, sulforaphane, and capsaicin), and endogenous compounds (melatonin, carnitine, creatine, and lactate). These nutraceuticals were administered before the damage occurred, either to the mothers as a dietary supplement during pregnancy and/or lactation or to the pups prior to HI induction. To date, very few of these nutritional interventions have been investigated in humans, but we refer to those that have been successful in reducing ischemic stroke in adults. Overall, there is a robust body of preclinical evidence that supports the neuroprotective properties of nutraceuticals, and these may represent a safe and inexpensive nutritional strategy for the prevention of neonatal HI encephalopathy.
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Affiliation(s)
- Marta Reyes-Corral
- Neurodevelopment Research Group, Institute of Biomedicine of Seville, IBIS/HUVR/CSIC/US, 41013 Seville, Spain; (M.R.-C.); (N.S.-I.); (P.Y.-G.)
| | - Noelia Sola-Idígora
- Neurodevelopment Research Group, Institute of Biomedicine of Seville, IBIS/HUVR/CSIC/US, 41013 Seville, Spain; (M.R.-C.); (N.S.-I.); (P.Y.-G.)
| | - Rocío de la Puerta
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain;
| | - Joan Montaner
- Neurovascular Research Lab, Institute of Biomedicine of Seville, IBIS/HUVR/CSIC/US, 41013 Seville, Spain
- Department of Neurology and Neurophysiology, Hospital Universitario Virgen Macarena, 41009 Seville, Spain
| | - Patricia Ybot-González
- Neurodevelopment Research Group, Institute of Biomedicine of Seville, IBIS/HUVR/CSIC/US, 41013 Seville, Spain; (M.R.-C.); (N.S.-I.); (P.Y.-G.)
- Department of Neurology and Neurophysiology, Hospital Universitario Virgen Macarena, 41009 Seville, Spain
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Betulinic Acid Alleviates Spleen Oxidative Damage Induced by Acute Intraperitoneal Exposure to T-2 Toxin by Activating Nrf2 and Inhibiting MAPK Signaling Pathways. Antioxidants (Basel) 2021; 10:antiox10020158. [PMID: 33499152 PMCID: PMC7912660 DOI: 10.3390/antiox10020158] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 01/17/2021] [Accepted: 01/18/2021] [Indexed: 12/17/2022] Open
Abstract
T-2 toxin, which is mainly produced by specific strains of Fusarium in nature, can induce immunotoxicity and oxidative stress, resulting in immune organ dysfunction and apoptosis. Betulinic acid (BA), a pentacyclic triterpenoids from nature plants, has been demonstrated to possess immunomodulating and antioxidative bioactivities. The purpose of the study was to explore the effect of BA on T-2 toxin-challenged spleen oxidative damage and further elucidate the underlying mechanism. We found that BA not only ameliorated the contents of serum total cholesterol (TC) and triglyceride (TG) but also restored the number of lymphocytes in T-2 toxin-induced mice. BA dose-dependently reduced the accumulation of reactive oxygen species (ROS), enhanced superoxide dismutase (SOD) activity, and decreased malondialdehyde (MDA) content, as well as increased the total antioxidant capacity (T-AOC) in the spleen of T-2-toxin-exposed mice. Moreover, BA reduced inflammatory cell infiltration in the spleen, improved the morphology of mitochondria and enriched the number of organelles in splenocytes, and dramatically attenuated T-2 toxin-triggered splenocyte apoptosis. Furthermore, administration of BA alleviated the protein phosphorylation of p38, c-Jun N-terminal kinase (JNK), and extracellular signal-regulated kinases (ERK); decreased the protein expression of kelch-like erythroid cell-derived protein with CNC homology [ECH]-associated protein1 (Keap1); and increased the protein expression of nuclear factor erythroid 2 [NF-E2]-related factor (Nrf2) and heme oxygenase-1 (HO-1) in the spleen. These findings demonstrate that BA defends against spleen oxidative damage associated with T-2 toxin injection by decreasing ROS accumulation and activating the Nrf2 signaling pathway, as well as inhibiting the mitogen-activated protein kinase (MAPK) signaling pathway.
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Dumont U, Sanchez S, Repond C, Beauvieux MC, Chateil JF, Pellerin L, Bouzier-Sore AK, Roumes H. Neuroprotective Effect of Maternal Resveratrol Supplementation in a Rat Model of Neonatal Hypoxia-Ischemia. Front Neurosci 2021; 14:616824. [PMID: 33519368 PMCID: PMC7844160 DOI: 10.3389/fnins.2020.616824] [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: 10/13/2020] [Accepted: 12/23/2020] [Indexed: 02/04/2023] Open
Abstract
Neonatal hypoxia-ischemia (nHI) is a major cause of death or subsequent disabilities in infants. Hypoxia-ischemia causes brain lesions, which are induced by a strong reduction in oxygen and nutrient supply. Hypothermia is the only validated beneficial intervention, but not all newborns respond to it and today no pharmacological treatment exists. Among possible therapeutic agents to test, trans-resveratrol is an interesting candidate as it has been reported to exhibit neuroprotective effects in some neurodegenerative diseases. This experimental study aimed to investigate a possible neuroprotection by resveratrol in rat nHI, when administered to the pregnant rat female, at a nutritional dose. Several groups of pregnant female rats were studied in which resveratrol was added to drinking water either during the last week of pregnancy, the first week of lactation, or both. Then, 7-day old pups underwent a hypoxic-ischemic event. Pups were followed longitudinally, using both MRI and behavioral testing. Finally, a last group was studied in which breastfeeding females were supplemented 1 week with resveratrol just after the hypoxic-ischemic event of the pups (to test the curative rather than the preventive effect). To decipher the molecular mechanisms of this neuroprotection, RT-qPCR and Western blots were also performed on pup brain samples. Data clearly indicated that when pregnant and/or breastfeeding females were supplemented with resveratrol, hypoxic-ischemic offspring brain lesions were significantly reduced. Moreover, maternal resveratrol supplementation allowed to reverse sensorimotor and cognitive deficits caused by the insult. The best recoveries were observed when resveratrol was administered during both gestation and lactation (2 weeks before the hypoxic-ischemic event in pups). Furthermore, neuroprotection was also observed in the curative group, but only at the latest stages examined. Our hypothesis is that resveratrol, in addition to the well-known neuroprotective benefits via the sirtuin’s pathway (antioxidant properties, inhibition of apoptosis), has an impact on brain metabolism, and more specifically on the astrocyte-neuron lactate shuttle (ANLS) as suggested by RT-qPCR and Western blot data, that contributes to the neuroprotective effects.
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Affiliation(s)
- Ursule Dumont
- CRMSB, UMR 5536, CNRS/University of Bordeaux, Bordeaux, France.,Département de Physiologie, University of Lausanne, Lausanne, Switzerland
| | | | - Cendrine Repond
- Département de Physiologie, University of Lausanne, Lausanne, Switzerland
| | - Marie-Christine Beauvieux
- CRMSB, UMR 5536, CNRS/University of Bordeaux, Bordeaux, France.,CHU de Bordeaux, Place Amélie Raba Léon, Bordeaux, France
| | - Jean-François Chateil
- CRMSB, UMR 5536, CNRS/University of Bordeaux, Bordeaux, France.,CHU de Bordeaux, Place Amélie Raba Léon, Bordeaux, France
| | - Luc Pellerin
- Département de Physiologie, University of Lausanne, Lausanne, Switzerland.,IRTOMIT, Inserm U1082, University of Poitiers, Poitiers, France
| | | | - Hélène Roumes
- CRMSB, UMR 5536, CNRS/University of Bordeaux, Bordeaux, France
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Meng T, Xiao D, Muhammed A, Deng J, Chen L, He J. Anti-Inflammatory Action and Mechanisms of Resveratrol. Molecules 2021; 26:molecules26010229. [PMID: 33466247 PMCID: PMC7796143 DOI: 10.3390/molecules26010229] [Citation(s) in RCA: 246] [Impact Index Per Article: 82.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 12/31/2020] [Accepted: 12/31/2020] [Indexed: 02/07/2023] Open
Abstract
Resveratrol (3,4',5-trihy- droxystilbene), a natural phytoalexin polyphenol, exhibits anti-oxidant, anti-inflammatory, and anti-carcinogenic properties. This phytoalexin is well-absorbed and rapidly and extensively metabolized in the body. Inflammation is an adaptive response, which could be triggered by various danger signals, such as invasion by microorganisms or tissue injury. In this review, the anti-inflammatory activity and the mechanism of resveratrol modulates the inflammatory response are examined. Multiple experimental studies that illustrate regulatory mechanisms and the immunomodulatory function of resveratrol both in vivo and in vitro. The data acquired from those studies are discussed.
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Affiliation(s)
- Tiantian Meng
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (T.M.); (A.M.); (J.D.)
| | - Dingfu Xiao
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (T.M.); (A.M.); (J.D.)
- Correspondence: (D.X.); (J.H.)
| | - Arowolo Muhammed
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (T.M.); (A.M.); (J.D.)
| | - Juying Deng
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (T.M.); (A.M.); (J.D.)
| | - Liang Chen
- Huaihua Institute of Agricultural Sciences, No.140 Yingfeng East Road, Hecheng District, Huaihua 418000, China;
| | - Jianhua He
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (T.M.); (A.M.); (J.D.)
- Correspondence: (D.X.); (J.H.)
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Jia J, Zeng X, Xu G, Wang Z. The Potential Roles of Redox Enzymes in Alzheimer's Disease: Focus on Thioredoxin. ASN Neuro 2021; 13:1759091421994351. [PMID: 33557592 PMCID: PMC7876756 DOI: 10.1177/1759091421994351] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 01/19/2021] [Accepted: 01/21/2021] [Indexed: 12/18/2022] Open
Abstract
Alzheimer's disease (AD) is the most common neurodegenerative diseases. Increasing studies have demonstrated the critical importance for redox proteins mediating neuronal protection in models of AD. This review briefly describes some of the risk factors contributing to AD, specifically highlighting the important roles of oxidative stress in the pathology of AD. Then this article concisely introduces the dysregulation and functions of two main redox enzymes, peroxiredoxins and glutaredoxins, in AD models. This review emphasizes the neuroprotective role of the third redox enzyme thioredoxin (Trx), an important multifunctional protein regulating cellular redox status. This commentary not only summarizes the alterations of Trx expression in AD patients and models, but also reviews the potential effects and mechanisms of Trx, Trx-related molecules and Trx-inducing compounds against AD. In conclusion, Trx has a potential neuroprotection in AD and may be very promising for clinical therapy of AD in the future.
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Affiliation(s)
- Jinjing Jia
- Department of Physiology, Jiaxing University Medical
College, Jiaxing, China
- Forensic and Pathology Laboratory, Jiaxing University
Medical College, Jiaxing, China
| | - Xiansi Zeng
- Forensic and Pathology Laboratory, Jiaxing University
Medical College, Jiaxing, China
- Department of Biochemistry, Jiaxing University Medical
College, Jiaxing, China
| | - Guangtao Xu
- Forensic and Pathology Laboratory, Jiaxing University
Medical College, Jiaxing, China
| | - Zhanqi Wang
- College of Life Sciences, Huzhou University, Huzhou,
China
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43
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Ho P, Zheng JQ, Wu CC, Hou YC, Liu WC, Lu CL, Zheng CM, Lu KC, Chao YC. Perspective Adjunctive Therapies for COVID-19: Beyond Antiviral Therapy. Int J Med Sci 2021; 18:314-324. [PMID: 33390800 PMCID: PMC7757136 DOI: 10.7150/ijms.51935] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 11/02/2020] [Indexed: 12/12/2022] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic is the largest health crisis ever faced worldwide. It has resulted in great health and economic costs because no effective treatment is currently available. Since infected persons vary in presentation from healthy asymptomatic mild symptoms to those who need intensive care support and eventually succumb to the disease, this illness is considered to depend primarily on individual immunity. Demographic distribution and disease severity in several regions of the world vary; therefore, it is believed that natural inherent immunity provided through dietary sources and traditional medicines could play an important role in infection prevention and disease progression. People can boost their immunity to prevent them from infection after COVID-19 exposure and can reduce their inflammatory reactions to protect their organ deterioration in case suffering from the disease. Some drugs with in-situ immunomodulatory and anti-inflammatory activity are also identified as adjunctive therapy in the COVID-19 era. This review discusses the importance of COVID-19 interactions with immune cells and inflammatory cells; and further emphasizes the possible pathways related with traditional herbs, medications and nutritional products. We believe that such pathophysiological pathway approach treatment is rational and important for future development of new therapeutic agents for prevention or cure of COVID-19 infection.
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Affiliation(s)
- Ping Ho
- Division of General Surgery, Department of Surgery, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan
| | - Jing-Quan Zheng
- Division of Pulmonary Medicine, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.,Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan
| | - Chia-Chao Wu
- Division of Nephrology, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
| | - Yi-Chou Hou
- Division of Nephrology, Department of Medicine, Cardinal-Tien Hospital, School of Medicine, Fu-Jen Catholic University, New Taipei City 234, Taiwan
| | - Wen-Chih Liu
- Division of Nephrology, Department of Medicine, Taipei Hospital, Ministry of Health and Welfare, New Taipei City 242, Taiwan
| | - Chien-Lin Lu
- Division of Nephrology, Department of Medicine, Fu Jen Catholic University Hospital, School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Cai-Mei Zheng
- Division of Nephrology, Department of Internal Medicine, Taipei Medical University Shuang Ho Hospital, 235 New Taipei City, Taiwan.,Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, 110 Taipei, Taiwan.,Taipei Medical University-Research Center of Urology and Kidney (TMU-RCUK), Taipei Medical University, 110 Taipei, Taiwan
| | - Kuo-Cheng Lu
- Division of Nephrology, Department of Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan
| | - You-Chen Chao
- Division of Gastroenterology, Department of Internal Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan.,School of Medicine, Tzu Chi University, Hualien 970, Taiwan
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Frajewicki A, Laštůvka Z, Borbélyová V, Khan S, Jandová K, Janišová K, Otáhal J, Mysliveček J, Riljak V. Perinatal hypoxic-ischemic damage: review of the current treatment possibilities. Physiol Res 2020; 69:S379-S401. [PMID: 33464921 DOI: 10.33549/physiolres.934595] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Neonatal hypoxic-ischemic encephalopathy is a disorder with heterogeneous manifestation due to asphyxia during perinatal period. It affects approximately 3-12 children per 1000 live births and cause death of 1 million neonates worldwide per year. Besides, motor disabilities, seizures, impaired muscle tone and epilepsy are few of the consequences of hypoxic-ischemic encephalopathy. Despite an extensive research effort regarding various treatment strategies, therapeutic hypothermia with intensive care unit supportive treatment remains the only approved method for neonates who have suffered from moderate to severe hypoxic-ischemic encephalopathy. However, these protocols are only partially effective given that many infants still suffer from severe brain damage. Thus, further research to systematically test promising neuroprotective treatments in combination with hypothermia is essential. In this review, we discussed the pathophysiology of hypoxic-ischemic encephalopathy and delved into different promising treatment modalities, such as melatonin and erythropoietin. However, preclinical studies and clinical trials are still needed to further elucidate the mechanisms of action of these modalities.
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Affiliation(s)
- A Frajewicki
- Institute of Physiology, First Faculty of Medicine, Charles University, Prague, Czech Republic.
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45
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Bicker J, Fortuna A, Alves G, Falcão A. Nose-to-brain Delivery of Natural Compounds for the Treatment of Central Nervous System Disorders. Curr Pharm Des 2020; 26:594-619. [PMID: 31939728 DOI: 10.2174/1381612826666200115101544] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 12/11/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Several natural compounds have demonstrated potential for the treatment of central nervous system disorders such as ischemic cerebrovascular disease, glioblastoma, neuropathic pain, neurodegenerative diseases, multiple sclerosis and migraine. This is due to their well-known antioxidant, anti-inflammatory, neuroprotective, anti-tumor, anti-ischemic and analgesic properties. Nevertheless, many of these molecules have poor aqueous solubility, low bioavailability and extensive gastrointestinal and/or hepatic first-pass metabolism, leading to a quick elimination as well as low serum and tissue concentrations. Thus, the intranasal route emerged as a viable alternative to oral or parenteral administration, by enabling a direct transport into the brain through the olfactory and trigeminal nerves. With this approach, the blood-brain barrier is circumvented and peripheral exposure is reduced, thereby minimizing possible adverse effects. OBJECTIVE Herein, brain-targeting strategies for nose-to-brain delivery of natural compounds, including flavonoids, cannabinoids, essential oils and terpenes, will be reviewed and discussed. Brain and plasma pharmacokinetics of these molecules will be analyzed and related to their physicochemical characteristics and formulation properties. CONCLUSION Natural compounds constitute relevant alternatives for the treatment of brain diseases but often require loading into nanocarrier systems to reach the central nervous system in sufficient concentrations. Future challenges lie in a deeper characterization of their therapeutic mechanisms and in the development of effective, safe and brain-targeted delivery systems for their intranasal administration.
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Affiliation(s)
- Joana Bicker
- Laboratory of Pharmacology, Faculty of Pharmacy, University of Coimbra, Polo das Ciencias da Saude, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal.,CIBIT/ICNAS - Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
| | - Ana Fortuna
- Laboratory of Pharmacology, Faculty of Pharmacy, University of Coimbra, Polo das Ciencias da Saude, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal.,CIBIT/ICNAS - Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
| | - Gilberto Alves
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique, 6200-506 Covilha, Portugal
| | - Amílcar Falcão
- Laboratory of Pharmacology, Faculty of Pharmacy, University of Coimbra, Polo das Ciencias da Saude, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal.,CIBIT/ICNAS - Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
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Ghazavi H, Shirzad S, Forouzanfar F, Sahab Negah S, Riyahi Rad M, Vafaee F. The role of resveratrol as a natural modulator in glia activation in experimental models of stroke. AVICENNA JOURNAL OF PHYTOMEDICINE 2020; 10:557-573. [PMID: 33299813 PMCID: PMC7711292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/08/2020] [Accepted: 03/10/2020] [Indexed: 10/25/2022]
Abstract
OBJECTIVE Stroke is one of the most important causes of death and disability in modern and developing societies. In a stroke, both the glial cells and neurons develop apoptosis due to decreased cellular access to glucose and oxygen. Resveratrol (3, 5, 4'-trihydroxy-trans-stilbene) as a herbal compound shows neuroprotective and glioprotective effects. This article reviews how resveratrol can alleviate symptoms after stroke to help neurons to survive by modulating some signaling pathways in glia. MATERIALS AND METHODS Various databases such as ISI Web of Knowledge, Scopus, Medline, PubMed, and Google Scholar, were searched from 2000 to February 2020 to gather the required articles using appropriate keywords. RESULTS Resveratrol enhances anti-inflammatory and decreases inflammatory cytokines by affecting the signaling pathways in microglia such as AMP-activated protein kinase (5' adenosine monophosphate-activated protein kinase, AMPK), SIRT1 (sirtuin 1) and SOCS1 (suppressor of cytokine signaling 1). Furthermore, through miR-155 overexpressing in microglia, resveratrol promotes M2 phenotype polarization. Resveratrol also increases AMPK and inhibits GSK-3β (glycogen synthase kinase 3 beta) activity in astrocytes, which release energy, makes ATP available to neurons and reduces reactive oxygen species (ROS). Besides, resveratrol increases oligodendrocyte survival, which can lead to maintaining post-stroke brain homeostasis. CONCLUSION These results suggest that resveratrol can be considered a novel therapeutic agent for the reduction of stroke symptoms that can not only affect neuronal function but also play an important role in reducing neurotoxicity by altering glial activity and signaling.
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Affiliation(s)
- Hamed Ghazavi
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Neuroscience, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shima Shirzad
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Neuroscience, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fatemeh Forouzanfar
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Neuroscience, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sajad Sahab Negah
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Neuroscience, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Shefa Neuroscience Research Center, Khatam-Alanbia Hospital, Tehran, Iran
| | - Mona Riyahi Rad
- Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Farzaneh Vafaee
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Neuroscience, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Zhang L, Wang H, Liu Y, Wang L, Pan W, Yuan B. Morroniside protects HT-22 cells against oxygen-glucose deprivation/reperfusion through activating the Nrf2/HO-1 signaling pathway. J Recept Signal Transduct Res 2020; 42:9-15. [PMID: 33100110 DOI: 10.1080/10799893.2020.1837872] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Neonatal hypoxic-ischemic encephalopathy (HIE) is a devastating condition that affects neurodevelopment and results in brain injury in infants. Morroniside (MOR), a natural secoiridoid glycoside, has been found to possess neuroprotective effect. However, the effects of MOR on neonatal HIE are unclear. An in vitro HIE model was established in murine hippocampal neurons HT-22 cells using oxygen-glucose deprivation/reoxygenation (OGD/R) stimulation. Our results showed that MOR improved OGD/R-caused cell viability reduction in HT-22 cells. MOR suppressed the production of reactive oxygen species (ROS) and malondialdehyde (MDA) in OGD/R-induced HT-22 cells in a dose-dependent manner. The activities of superoxide dismutase (SOD) and glutathione peroxidase (GPX) were significantly elevated by MOR. Moreover, MOR treatment caused a significant increase in bcl-2 expression, and obvious decreases in the expression levels of bax, cleaved caspase-3, and cleaved caspase-9 expression. Furthermore, MOR significantly upregulated the expression levels of nuclear Nrf2 and HO-1 in OGD/R-treated HT-22 cells. Additionally, knockdown of Nrf2 or HO-1 abrogated the effects of MOR on OGD/R-induced oxidative stress and apoptosis in HT-22 cells. In conclusion, these findings suggested that MOR protects HT-22 cells against OGD/R via regulating the Nrf2/HO-1 signaling pathway.
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Affiliation(s)
- Lan Zhang
- Department of Neonatology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Huiping Wang
- Department of Neonatology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yan Liu
- Department of Neonatology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Li Wang
- Department of Neonatology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Weikang Pan
- Pediatric Surgery, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Bo Yuan
- Department of General Surgery, Xi'an Central Hospital, Xi'an, China
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Yang G, Zhao Y. Overexpression of miR-146b-5p Ameliorates Neonatal Hypoxic Ischemic Encephalopathy by Inhibiting IRAK1/TRAF6/TAK1/NF-αB Signaling. Yonsei Med J 2020; 61:660-669. [PMID: 32734729 PMCID: PMC7393297 DOI: 10.3349/ymj.2020.61.8.660] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/25/2020] [Accepted: 06/10/2020] [Indexed: 12/15/2022] Open
Abstract
PURPOSE Neonatal hypoxic ischemic encephalopathy (HIE) is an essential factor underlying neonatal death and disability. This study sought to explore the role of miR-146b-5p in regulating neonatal HIE. MATERIALS AND METHODS In vitro and in vivo HIE models were established in PC12 cells and 10-day neonatal Sprague Dawley rats, respectively. Quantitative reverse transcription polymerase chain reaction (qRT-PCR) was used to assess miR-146b-5p expression and inflammatory factors [interleukin (IL)-6 and tumor necrosis factor (TNF)-α] in brain lesions and PC12 cells, while enzyme-linked immunosorbent assay was employed to detect the expression of oxidative stress factors (SOD and GSH-Px). Gain- and loss-assays of miR-146b-5p were conducted to verify its role in modulating the viability and apoptosis of PC12 cells under oxygen-glucose deprivation (OGD) treatment. Expression of TLR4, IRAK1, TRAF6, TAK1, and NF-κB were examined by qRT-PCR and/or Western blot. Dual luciferase activity assay was conducted to identify relationships between miR-146b-5p and IRAK1. RESULTS In the HIE models, significant oxidative stress and inflammatory responses emerged upon upregulation of TLR4/IRAK1/TRAF6/TAK1/NF-κB signaling. Overexpression of miR-146b-5p greatly inhibited OGD-induced PC12 cell injury, inflammatory responses, and oxidative stress. Inhibiting miR-146b-5p, however, had the opposite effects. IRAK1 was found to be a target of miR-146b-5p, and miR-146b-5p overexpression suppressed the activation of IRAK1/TRAF6/TAK1/NF-κB signaling. CONCLUSION This study demonstrated that miR-146b-5p overexpression alleviates HIE-induced neuron injury by inhibiting the IRAK1/TRAF6/TAK1/NF-κB pathway.
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Affiliation(s)
- Guang Yang
- Department of Pediatrics, Shanxi Medical University, Taiyuan, China
- Neonatal Internal Medicine, Shanxi Children's Hospital, Taiyuan, China.
| | - Yuan Zhao
- Neonatal Internal Medicine, Shanxi Children's Hospital, Taiyuan, China
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Zhang W, Dong X, Dou S, Yang L. Neuroprotective role of Nrf2 on hypoxic-ischemic brain injury in neonatal mice. Synapse 2020; 74:e22174. [PMID: 32491225 DOI: 10.1002/syn.22174] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 05/05/2020] [Accepted: 05/11/2020] [Indexed: 01/23/2023]
Abstract
Inflammation and oxidative stress play a key role in mediating the pathophysiology of hypoxic-ischemic (HI) brain injury. Nrf2 is a transcriptional factor that contributes to the innate defense of the body against oxidative stress and inflammation. The current study investigated the effect of Nrf2 in neonatal HI brain injury using Nrf2-/- mice. Nrf2-/- and wild-type Nrf2+/+ mice on a C57BL/6J background at postnatal day 9 underwent unilateral common carotid artery ligation, followed by hypoxia. Brain damage was determined by infarct size measurement. Apoptosis was evaluated by measuring the expression of Bax and Bcl-2. The levels of inflammatory cytokines and mediators involved in oxidative stress were measured. Nrf2 knockout exacerbated HI injury-induced brain infarct and cell apoptosis in the brain. Nrf2-/- mice showed increased inflammatory cytokines and MDA, and reduced activities of antioxidant enzymes including CAT, GSH-Px, and SOD. Nrf2-/- mice showed reduced HO-1 expression after HI injury compared with wild-type mice. This study supported a protective effect of Nrf2 in neonatal HI brain injury.
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Affiliation(s)
- Wei Zhang
- Department of Emergency, Brain Academy District, Cangzhou Central Hospital, Cangzhou, China
| | - Xiujuan Dong
- Department of Two Obstetrics, Cangzhou Central Hospital, Cangzhou, China
| | - Sumian Dou
- Department of Emergency, Brain Academy District, Cangzhou Central Hospital, Cangzhou, China
| | - Long Yang
- Department of Emergency, Brain Academy District, Cangzhou Central Hospital, Cangzhou, China
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The therapeutic effect of resveratrol: Focusing on the Nrf2 signaling pathway. Biomed Pharmacother 2020; 127:110234. [PMID: 32559855 DOI: 10.1016/j.biopha.2020.110234] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 04/20/2020] [Accepted: 05/03/2020] [Indexed: 12/18/2022] Open
Abstract
Resveratrol is a natural polyphenol derived from grapes, berries, red wine, peanuts amongst other fruits and nuts. Beneficial effects such as anti-inflammatory, antioxidant, hepatoprotective, neuroprotective, cardioprotective, renoprotective, anti-obesity, anti-diabetic, and anti-cancer of resveratrol have been demonstrated by preclinical and clinical research. A possibility is that these therapeutical effects are associated with modulation of the Nrf2 signaling pathway in the following way: resveratrol may potentiate Nrf2 signaling through blockage of Keap1, by means of changing the Nrf2 mediators, its expression and its nuclear translocation. This article reviews the evidence of the Nrf2 modulating hypothesis as a possible molecular mechanism underlying the medicinal properties of resveratrol.
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