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Neves LT, Paz LV, Wieck A, Mestriner RG, de Miranda Monteiro VAC, Xavier LL. Environmental Enrichment in Stroke Research: an Update. Transl Stroke Res 2024; 15:339-351. [PMID: 36717476 DOI: 10.1007/s12975-023-01132-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 01/25/2023] [Accepted: 01/25/2023] [Indexed: 02/01/2023]
Abstract
Environmental enrichment (EE) refers to different forms of stimulation, where the environment is designed to improve the levels of sensory, cognitive, and motor stimuli, inducing stroke recovery in animal models. Stroke is a leading cause of mortality and neurological disability among older adults, hence the importance of developing strategies to improve recovery for such patients. This review provides an update on recent findings, compiling information regarding the parameters affected by EE exposure in both preclinical and clinical studies. During stroke recovery, EE exposure has been shown to improve both the cognitive and locomotor aspects, inducing important neuroplastic alterations, increased angiogenesis and neurogenesis, and modified gene expression, among other effects. There is a need for further research in this field, particularly in those aspects where the evidence is inconclusive. Moreover, it is necessary refine and adapt the EE paradigms for application in human patients.
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Affiliation(s)
- Laura Tartari Neves
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil
| | - Lisiê Valéria Paz
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil
| | - Andréa Wieck
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil
- Brain Institute of Rio Grande do Sul (BraIns), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690 - Jardim Botânico, Porto Alegre, RS, 90610-000, Brazil
| | - Régis Gemerasca Mestriner
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil
| | - Valentina Aguiar Cardozo de Miranda Monteiro
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil
| | - Léder Leal Xavier
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil.
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Alsbrook DL, Di Napoli M, Bhatia K, Biller J, Andalib S, Hinduja A, Rodrigues R, Rodriguez M, Sabbagh SY, Selim M, Farahabadi MH, Jafarli A, Divani AA. Neuroinflammation in Acute Ischemic and Hemorrhagic Stroke. Curr Neurol Neurosci Rep 2023; 23:407-431. [PMID: 37395873 PMCID: PMC10544736 DOI: 10.1007/s11910-023-01282-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2023] [Indexed: 07/04/2023]
Abstract
PURPOSE OF REVIEW This review aims to provide an overview of neuroinflammation in ischemic and hemorrhagic stroke, including recent findings on the mechanisms and cellular players involved in the inflammatory response to brain injury. RECENT FINDINGS Neuroinflammation is a crucial process following acute ischemic stroke (AIS) and hemorrhagic stroke (HS). In AIS, neuroinflammation is initiated within minutes of the ischemia onset and continues for several days. In HS, neuroinflammation is initiated by blood byproducts in the subarachnoid space and/or brain parenchyma. In both cases, neuroinflammation is characterized by the activation of resident immune cells, such as microglia and astrocytes, and infiltration of peripheral immune cells, leading to the release of pro-inflammatory cytokines, chemokines, and reactive oxygen species. These inflammatory mediators contribute to blood-brain barrier disruption, neuronal damage, and cerebral edema, promoting neuronal apoptosis and impairing neuroplasticity, ultimately exacerbating the neurologic deficit. However, neuroinflammation can also have beneficial effects by clearing cellular debris and promoting tissue repair. The role of neuroinflammation in AIS and ICH is complex and multifaceted, and further research is necessary to develop effective therapies that target this process. Intracerebral hemorrhage (ICH) will be the HS subtype addressed in this review. Neuroinflammation is a significant contributor to brain tissue damage following AIS and HS. Understanding the mechanisms and cellular players involved in neuroinflammation is essential for developing effective therapies to reduce secondary injury and improve stroke outcomes. Recent findings have provided new insights into the pathophysiology of neuroinflammation, highlighting the potential for targeting specific cytokines, chemokines, and glial cells as therapeutic strategies.
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Affiliation(s)
- Diana L Alsbrook
- Department of Neurology, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Mario Di Napoli
- Neurological Service, SS Annunziata Hospital, Sulmona, L'Aquila, Italy
| | - Kunal Bhatia
- Department of Neurology, University of Mississippi Medical Center, Jackson, MS, USA
| | - José Biller
- Department of Neurology, Loyola University Chicago, Stritch School of Medicine, Maywood, IL, USA
| | - Sasan Andalib
- Research Unit of Neurology, Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Archana Hinduja
- Department of Neurology, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Roysten Rodrigues
- Department of Neurology, University of Louisville, Louisville, KY, USA
| | - Miguel Rodriguez
- College of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Sara Y Sabbagh
- Department of Neurology, University of New Mexico, Albuquerque, NM, USA
| | - Magdy Selim
- Stroke Division, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | | | - Alibay Jafarli
- Department of Neurology, Tufts Medical Center, Boston, MA, USA
| | - Afshin A Divani
- Department of Neurology, University of New Mexico, Albuquerque, NM, USA.
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Chen C, Yu LT, Cheng BR, Xu JL, Cai Y, Jin JL, Feng RL, Xie L, Qu XY, Li D, Liu J, Li Y, Cui XY, Lu JJ, Zhou K, Lin Q, Wan J. Promising Therapeutic Candidate for Myocardial Ischemia/Reperfusion Injury: What Are the Possible Mechanisms and Roles of Phytochemicals? Front Cardiovasc Med 2022; 8:792592. [PMID: 35252368 PMCID: PMC8893235 DOI: 10.3389/fcvm.2021.792592] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 12/29/2021] [Indexed: 12/12/2022] Open
Abstract
Percutaneous coronary intervention (PCI) is one of the most effective reperfusion strategies for acute myocardial infarction (AMI) despite myocardial ischemia/reperfusion (I/R) injury, causing one of the causes of most cardiomyocyte injuries and deaths. The pathological processes of myocardial I/R injury include apoptosis, autophagy, and irreversible cell death caused by calcium overload, oxidative stress, and inflammation. Eventually, myocardial I/R injury causes a spike of further cardiomyocyte injury that contributes to final infarct size (IS) and bound with hospitalization of heart failure as well as all-cause mortality within the following 12 months. Therefore, the addition of adjuvant intervention to improve myocardial salvage and cardiac function calls for further investigation. Phytochemicals are non-nutritive bioactive secondary compounds abundantly found in Chinese herbal medicine. Great effort has been put into phytochemicals because they are often in line with the expectations to improve myocardial I/R injury without compromising the clinical efficacy or to even produce synergy. We summarized the previous efforts, briefly outlined the mechanism of myocardial I/R injury, and focused on exploring the cardioprotective effects and potential mechanisms of all phytochemical types that have been investigated under myocardial I/R injury. Phytochemicals deserve to be utilized as promising therapeutic candidates for further development and research on combating myocardial I/R injury. Nevertheless, more studies are needed to provide a better understanding of the mechanism of myocardial I/R injury treatment using phytochemicals and possible side effects associated with this approach.
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Affiliation(s)
- Cong Chen
- Department of Cardiology, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Lin-Tong Yu
- Department of Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Bai-Ru Cheng
- Department of Cardiology, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Jiang-Lin Xu
- Department of Cardiology, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Yun Cai
- Department of Cardiology, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Jia-Lin Jin
- Department of Cardiology, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Ru-Li Feng
- Department of Cardiology, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Long Xie
- Department of Cardiology, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Xin-Yan Qu
- Department of Cardiology, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Dong Li
- Department of Cardiology, Dongfang Hospital Beijing University of Chinese Medicine, Beijing, China
| | - Jing Liu
- Department of Cardiology, Dongfang Hospital Beijing University of Chinese Medicine, Beijing, China
| | - Yan Li
- Department of Cardiology, Dongfang Hospital Beijing University of Chinese Medicine, Beijing, China
| | - Xiao-Yun Cui
- Department of Cardiology, Dongfang Hospital Beijing University of Chinese Medicine, Beijing, China
| | - Jin-Jin Lu
- Department of Cardiology, Dongfang Hospital Beijing University of Chinese Medicine, Beijing, China
| | - Kun Zhou
- Department of Cardiology, Dongfang Hospital Beijing University of Chinese Medicine, Beijing, China
| | - Qian Lin
- Department of Cardiology, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Qian Lin
| | - Jie Wan
- Department of Cardiology, Dongfang Hospital Beijing University of Chinese Medicine, Beijing, China
- Jie Wan
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Morland C, Nordengen K. N-Acetyl-Aspartyl-Glutamate in Brain Health and Disease. Int J Mol Sci 2022; 23:ijms23031268. [PMID: 35163193 PMCID: PMC8836185 DOI: 10.3390/ijms23031268] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 02/04/2023] Open
Abstract
N-acetyl-aspartyl-glutamate (NAAG) is the most abundant dipeptide in the brain, where it acts as a neuromodulator of glutamatergic synapses by activating presynaptic metabotropic glutamate receptor 3 (mGluR3). Recent data suggest that NAAG is selectively localized to postsynaptic dendrites in glutamatergic synapses and that it works as a retrograde neurotransmitter. NAAG is released in response to glutamate and provides the postsynaptic neuron with a feedback mechanisms to inhibit excessive glutamate signaling. A key regulator of synaptically available NAAG is rapid degradation by the extracellular enzyme glutamate carboxypeptidase II (GCPII). Increasing endogenous NAAG—for instance by inhibiting GCPII—is a promising treatment option for many brain disorders where glutamatergic excitotoxicity plays a role. The main effect of NAAG occurs through increased mGluR3 activation and thereby reduced glutamate release. In the present review, we summarize the transmitter role of NAAG and discuss the involvement of NAAG in normal brain physiology. We further present the suggested roles of NAAG in various neurological and psychiatric diseases and discuss the therapeutic potential of strategies aiming to enhance NAAG levels.
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Affiliation(s)
- Cecilie Morland
- Section for Pharmacology and Pharmaceutical Biosciences, Department of Pharmacy, The Faculty of Mathematics and Natural Sciences, University of Oslo, 1068 Oslo, Norway
- Correspondence: (C.M.); (K.N.); Tel.: +47-22844937; (C.M.); +47-23073580 (K.N.)
| | - Kaja Nordengen
- Department of Neurology, Oslo University Hospital, 0424 Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, 0318 Oslo, Norway
- Correspondence: (C.M.); (K.N.); Tel.: +47-22844937; (C.M.); +47-23073580 (K.N.)
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