1
|
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.
Collapse
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.
| |
Collapse
|
2
|
Zhang Z, Lu Y, Zhang H, Dong S, Wu Y, Wang S, Huang A, Jiang Q, Yin S. Enriched environment ameliorates fear memory impairments induced by sleep deprivation via inhibiting PIEZO1/calpain/autophagy signaling pathway in the basal forebrain. CNS Neurosci Ther 2024; 30:e14365. [PMID: 37485782 PMCID: PMC10848088 DOI: 10.1111/cns.14365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/25/2023] Open
Abstract
AIMS To verify the hypothesis that an enriched environment (EE) alleviates sleep deprivation-induced fear memory impairment by modulating the basal forebrain (BF) PIEZO1/calpain/autophagy pathway. METHODS Eight-week-old male mice were housed in a closed, isolated environment (CE) or an EE, before 6-h total sleep deprivation. Changes in fear memory after sleep deprivation were observed using an inhibitory avoidance test. Alterations in BF PIEZO1/calpain/autophagy signaling were detected. The PIEZO1 agonist Yoda1 or inhibitor GsMTx4, the calpain inhibitor PD151746, and the autophagy inducer rapamycin or inhibitor 3-MA were injected into the bilateral BF to investigate the pathways involved in the memory-maintaining role of EE in sleep-deprived mice. RESULTS Mice housed in EE performed better than CE mice in short- and long-term fear memory tests after sleep deprivation. Sleep deprivation resulted in increased PIEZO1 expression, full-length tropomyosin receptor kinase B (TrkB-FL) degradation, and autophagy, as reflected by increased LC3 II/I ratio, enhanced p62 degradation, increased TFEB expression and nuclear translocation, and decreased TFEB phosphorylation. These molecular changes were partially reversed by EE treatment. Microinjection of Yoda1 or rapamycin into the bilateral basal forebrain induced excessive autophagy and eliminated the cognition-protective effects of EE. Bilateral basal forebrain microinjection of GsMTx4, PD151746, or 3-MA mimicked the cognitive protective and autophagy inhibitory effects of EE in sleep-deprived mice. CONCLUSIONS EE combats sleep deprivation-induced fear memory impairments by inhibiting the BF PIEZO1/calpain/autophagy pathway.
Collapse
Affiliation(s)
- Zi‐qing Zhang
- The Postgraduate Training Base of Jinzhou Medical University (The PLA Rocket Force Characteristic Medical Center)BeijingChina
- Department of NeurologyThe PLA Rocket Force Characteristic Medical CenterBeijingChina
| | - Yan Lu
- Department of NeurologyThe PLA Rocket Force Characteristic Medical CenterBeijingChina
| | - Hao Zhang
- Department of AnesthesiologyThe PLA Rocket Force Characteristic Medical CenterBeijingChina
| | - Su‐he Dong
- Department of Nuclear Radiation Injury and MonitoringThe PLA Rocket Force Characteristic Medical CenterBeijingChina
| | - Ya‐tong Wu
- The Postgraduate Training Base of Jinzhou Medical University (The PLA Rocket Force Characteristic Medical Center)BeijingChina
- Department of NeurologyThe PLA Rocket Force Characteristic Medical CenterBeijingChina
| | - Si‐nian Wang
- Department of Nuclear Radiation Injury and MonitoringThe PLA Rocket Force Characteristic Medical CenterBeijingChina
| | - Ai‐hua Huang
- Department of NeurologyThe PLA Rocket Force Characteristic Medical CenterBeijingChina
| | - Qi‐sheng Jiang
- Department of Nuclear Radiation Injury and MonitoringThe PLA Rocket Force Characteristic Medical CenterBeijingChina
| | - Shi‐min Yin
- The Postgraduate Training Base of Jinzhou Medical University (The PLA Rocket Force Characteristic Medical Center)BeijingChina
- Department of NeurologyThe PLA Rocket Force Characteristic Medical CenterBeijingChina
| |
Collapse
|
3
|
Bangar A, Khan H, Kaur A, Dua K, Singh TG. Understanding mechanistic aspect of the therapeutic role of herbal agents on neuroplasticity in cerebral ischemic-reperfusion injury. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117153. [PMID: 37717842 DOI: 10.1016/j.jep.2023.117153] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 08/10/2023] [Accepted: 09/06/2023] [Indexed: 09/19/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Stroke is one of the leading causes of death and disability. The only FDA-approved therapy for treating stroke is tissue plasminogen activator (tPA), exhibiting a short therapeutic window. Due to this reason, only a small number of patients can be benefitted in this critical period. In addition, the use of endovascular interventions may reverse vessel occlusion more effectively and thus help further improve outcomes in experimental stroke. During recovery of blood flow after ischemia, patients experience cognitive, behavioral, affective, emotional, and electrophysiological changes. Therefore, it became the need for an hour to discover a novel strategy for managing stroke. The drug discovery process has focused on developing herbal medicines with neuroprotective effects via modulating neuroplasticity. AIM OF THE STUDY We gather and highlight the most essential traditional understanding of therapeutic plants and their efficacy in cerebral ischemia-reperfusion injury. In addition, we provide a concise summary and explanation of herbal drugs and their role in improving neuroplasticity. We review the pharmacological activity of polyherbal formulations produced from some of the most frequently referenced botanicals for the treatment of cerebral ischemia damage. MATERIALS AND METHODS A systematic literature review of bentham, scopus, pubmed, medline, and embase (elsevier) databases was carried out with the help of the keywords like neuroplasticity, herbal drugs, neural progenitor cells, neuroprotection, stem cells. The review was conducted using the above keywords to understand the therapeutic and mechanistic role of herbal neuroprotective agents on neuroplasticity in cerebral ischemic-reperfusion injury. RESULTS Neuroplasticity emerged as an alternative to improve recovery and management after cerebral ischemic reperfusion injury. Neuroplasticity is a physiological process throughout one's life in response to any stimuli and environment. Traditional herbal medicines have been established as an adjuvant to stroke therapy since they were used from ancient times and provided promising effects as an adjuvant to experimental stroke. The plants and phytochemicals such as Curcuma longa L., Moringa oliefera Lam, Panax ginseng C.A. Mey., and Rehmannia glutinosa (Gaertn.) DC., etc., have shown promising effects in improving neuroplasticity after experimental stroke. Such effects occur by modulation of various molecular signalling pathways, including PI3K/Akt, BDNF/CREB, JAK/STAT, HIF-1α/VEGF, etc. CONCLUSIONS: Here, we gave a perspective on plant species that have shown neuroprotective effects and can show promising results in promoting neuroplasticity with specific targets after cerebral ischemic reperfusion injury. In this review, we provide the complete detail of studies conducted on the role of herbal drugs in improving neuroplasticity and the signaling pathway involved in the recovery and management of experimental stroke.
Collapse
Affiliation(s)
- Annu Bangar
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India.
| | - Heena Khan
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India.
| | - Amarjot Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India.
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW, 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia.
| | | |
Collapse
|
4
|
Nie L, He J, Wang J, Wang R, Huang L, Jia L, Kim YT, Bhawal UK, Fan X, Zille M, Jiang C, Chen X, Wang J. Environmental Enrichment for Stroke and Traumatic Brain Injury: Mechanisms and Translational Implications. Compr Physiol 2023; 14:5291-5323. [PMID: 38158368 DOI: 10.1002/cphy.c230007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Acquired brain injuries, such as ischemic stroke, intracerebral hemorrhage (ICH), and traumatic brain injury (TBI), can cause severe neurologic damage and even death. Unfortunately, currently, there are no effective and safe treatments to reduce the high disability and mortality rates associated with these brain injuries. However, environmental enrichment (EE) is an emerging approach to treating and rehabilitating acquired brain injuries by promoting motor, sensory, and social stimulation. Multiple preclinical studies have shown that EE benefits functional recovery, including improved motor and cognitive function and psychological benefits mediated by complex protective signaling pathways. This article provides an overview of the enriched environment protocols used in animal models of ischemic stroke, ICH, and TBI, as well as relevant clinical studies, with a particular focus on ischemic stroke. Additionally, we explored studies of animals with stroke and TBI exposed to EE alone or in combination with multiple drugs and other rehabilitation modalities. Finally, we discuss the potential clinical applications of EE in future brain rehabilitation therapy and the molecular and cellular changes caused by EE in rodents with stroke or TBI. This article aims to advance preclinical and clinical research on EE rehabilitation therapy for acquired brain injury. © 2024 American Physiological Society. Compr Physiol 14:5291-5323, 2024.
Collapse
Affiliation(s)
- Luwei Nie
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinxin He
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Key Laboratory for Brain Science Research and Transformation in the Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Ruike Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Leo Huang
- Department of Psychology, University of Toronto, Toronto, Ontario, Canada
| | - Lin Jia
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yun Tai Kim
- Division of Functional Food Research, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
- Department of Food Biotechnology, Korea University of Science & Technology, Daejeon, Republic of Korea
| | - Ujjal K Bhawal
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Chiba, Japan
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
| | - Xiaochong Fan
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Marietta Zille
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Vienna, Austria
| | - Chao Jiang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Xuemei Chen
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jian Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| |
Collapse
|
5
|
Ren Y, Qu S. Constituent isoflavones of Puerariae radix as a potential neuroprotector in cognitive impairment: Evidence from preclinical studies. Ageing Res Rev 2023; 90:102040. [PMID: 37619620 DOI: 10.1016/j.arr.2023.102040] [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: 08/03/2023] [Revised: 08/21/2023] [Accepted: 08/21/2023] [Indexed: 08/26/2023]
Abstract
With the increasing aging population worldwide, the incidence of senile cognitive impairment (CI) is increasing, posing a serious threat to the health of elderly persons. Despite developing new drugs aimed at improving CI, progress in this regard has been insufficient. Natural preparations derived from plants have become an unparalleled resource for developing new drugs. Puerariae radix (PR) has a long history as Chinese herbal medicine. PR is rich in various chemical components such as isoflavones, triterpenes, and saponins. The isoflavones (puerarin, daidzein, formononetin, and genistein) exhibit potential therapeutic effects on CI through multiple mechanisms. Relevant literature was organized from major scientific databases such as PubMed, Elsevier, SpringerLink, ScienceDirect, and Web of Science. Using "Puerariae radix," "Pueraria lobata," "isoflavones," "puerarin," "antioxidant," "daidzein," "formononetin," "genistein," "Alzheimer"s disease," and "vascular cognitive impairment" as keywords, the relevant literature was extracted from the databases mentioned above. We found that isoflavones from PR have neuroprotective effects on multiple models of CI via multiple targets and mechanisms. These isoflavones prevent Aβ aggregation, inhibit tau hyperphosphorylation, increase cholinergic neurotransmitter levels, reduce neuroinflammation and oxidative stress, improve synaptic plasticity, promote nerve regeneration, and prevent apoptosis. PR has been used as traditional Chinese herbal medicine for a long time, and its constituent isoflavones exert significant therapeutic effects on CI through various neuroprotective mechanisms. This review will contribute to the future development of isoflavones present in PR as novel drug candidates for the clinical treatment of CI.
Collapse
Affiliation(s)
- Yaoyao Ren
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, 110004 Shenyang, Liaoning, PR China
| | - Shengtao Qu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, No. 36 Sanhao St, Shenyang 110004, PR China.
| |
Collapse
|
6
|
Zhang Y, Wei R, Ni M, Wu Q, Li Y, Ge Y, Kong X, Li X, Chen G. An enriched environment improves maternal sleep deprivation-induced cognitive deficits and synaptic plasticity via hippocampal histone acetylation. Brain Behav 2023; 13:e3018. [PMID: 37073496 PMCID: PMC10275536 DOI: 10.1002/brb3.3018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 03/20/2023] [Accepted: 04/02/2023] [Indexed: 04/20/2023] Open
Abstract
INTRODUCTION Growing evidence clearly demonstrates that maternal rodents exposure to sleep deprivation (SD) during late pregnancy impairs learning and memory in their offspring. Epigenetic mechanisms, particularly histone acetylation, are known to be involved in synaptic plasticity, learning, and memory. We hypothesize that the cognitive decline induced by SD during late pregnancy is associated with histone acetylation dysfunction, and this effect could be reversed by an enriched environment (EE). METHODS In the present study, pregnant CD-1 mice were exposed to SD during the third trimester of pregnancy. After weaning, all offspring were randomly assigned to two subgroups in either a standard environment or an EE. When offspring were 3 months old, the Morris water maze was used to evaluate hippocampal-dependent learning and memory ability. Molecular biological techniques, including western blot and real-time fluorescence quantitative polymerase chain reaction, were used to examine the histone acetylation pathway and synaptic plasticity markers in the hippocampus of offspring. RESULTS The results showed that the following were all reversed by EE treatment: maternal SD (MSD)-induced cognitive deficits including spatial learning and memory; histone acetylation dysfunction including increased histone deacetylase 2 (HDAC2) and decreased histone acetyltransferase (CBP), and the acetylation levels of H3K9 and H4K12; synaptic plasticity dysfunction including decreased brain-derived neurotrophic factor; and postsynaptic density protein-95. CONCLUSIONS Our findings suggested that MSD could damage learning ability and memory in offspring via the histone acetylation pathway. This effect could be reversed by EE treatment.
Collapse
Affiliation(s)
- Yue‐Ming Zhang
- Department of Neurology (Sleep Disorders)the Affiliated Chaohu Hospital of Anhui Medical UniversityHefeiAnhuiP. R. China
| | - Ru‐Meng Wei
- Department of Neurology (Sleep Disorders)the Affiliated Chaohu Hospital of Anhui Medical UniversityHefeiAnhuiP. R. China
| | - Ming‐Zhu Ni
- Department of Neurology (Sleep Disorders)the Affiliated Chaohu Hospital of Anhui Medical UniversityHefeiAnhuiP. R. China
| | - Qi‐Tao Wu
- Department of Neurology (Sleep Disorders)the Affiliated Chaohu Hospital of Anhui Medical UniversityHefeiAnhuiP. R. China
| | - Yun Li
- Department of Neurology (Sleep Disorders)the Affiliated Chaohu Hospital of Anhui Medical UniversityHefeiAnhuiP. R. China
| | - Yi‐Jun Ge
- Department of Neurology (Sleep Disorders)the Affiliated Chaohu Hospital of Anhui Medical UniversityHefeiAnhuiP. R. China
| | - Xiao‐Yi Kong
- Department of Neurology (Sleep Disorders)the Affiliated Chaohu Hospital of Anhui Medical UniversityHefeiAnhuiP. R. China
| | - Xue‐Yan Li
- Department of Neurology (Sleep Disorders)the Affiliated Chaohu Hospital of Anhui Medical UniversityHefeiAnhuiP. R. China
| | - Gui‐Hai Chen
- Department of Neurology (Sleep Disorders)the Affiliated Chaohu Hospital of Anhui Medical UniversityHefeiAnhuiP. R. China
| |
Collapse
|
7
|
Zheng J, Peng S, Cui L, Liu X, Li T, Zhao Z, Li Y, Hu Y, Zhang M, Xu L, Zhang J. Enriched environment attenuates hippocampal theta and gamma rhythms dysfunction in chronic cerebral hypoperfusion via improving imbalanced neural afferent levels. Front Cell Neurosci 2023; 17:985246. [PMID: 37265581 PMCID: PMC10231328 DOI: 10.3389/fncel.2023.985246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 02/27/2023] [Indexed: 06/03/2023] Open
Abstract
Chronic cerebral hypoperfusion (CCH) is increasingly recognized as a common cognitive impairment-causing mechanism. However, no clinically effective drugs to treat cognitive impairment due to CCH have been identified. An abnormal distribution of neural oscillations was found in the hippocampus of CCH rats. By releasing various neurotransmitters, distinct afferent fibers in the hippocampus influence neuronal oscillations in the hippocampus. Enriched environments (EE) are known to improve cognitive levels by modulating neurotransmitter homeostasis. Using EE as an intervention, we examined the levels of three classical neurotransmitters and the dynamics of neural oscillations in the hippocampus of the CCH rat model. The results showed that EE significantly improved the balance of three classical neurotransmitters (acetylcholine, glutamate, and GABA) in the hippocampus, enhanced the strength of theta and slow-gamma (SG) rhythms, and dramatically improved neural coupling across frequency bands in CCH rats. Furthermore, the expression of the three neurotransmitter vesicular transporters-vesicular acetylcholine transporters (VAChT) and vesicular GABA transporters (VGAT)-was significantly reduced in CCH rats, whereas the expression of vesicular glutamate transporter 1 (VGLUT1) was abnormally elevated. EE partially restored the expression of the three protein levels to maintain the balance of hippocampal afferent neurotransmitters. More importantly, causal mediation analysis showed EE increased the power of theta rhythm by increasing the level of VAChT and VGAT, which then enhanced the phase amplitude coupling of theta-SG and finally led to an improvement in the cognitive level of CCH. These findings shed light on the role of CCH in the disruption of hippocampal afferent neurotransmitter balance and neural oscillations. This study has implications for our knowledge of disease pathways.
Collapse
Affiliation(s)
- Jiaxin Zheng
- Department of Neurology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Sisi Peng
- Department of Neurology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Lingling Cui
- Department of Anesthesiology, Tongren Hospital of Wuhan University, Wuhan, China
| | - Xi Liu
- Department of Neurology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Tian Li
- Clinical Medical Research Center for Dementia and Cognitive Impairment in Hubei Province, Wuhan, China
| | - Zhenyu Zhao
- Clinical Medical Research Center for Dementia and Cognitive Impairment in Hubei Province, Wuhan, China
| | - Yaqing Li
- Clinical Medical Research Center for Dementia and Cognitive Impairment in Hubei Province, Wuhan, China
| | - Yuan Hu
- Department of Neurology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Miao Zhang
- Department of Neurology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Linling Xu
- Clinical Medical Research Center for Dementia and Cognitive Impairment in Hubei Province, Wuhan, China
| | - JunJian Zhang
- Department of Neurology, Zhongnan Hospital of Wuhan University, Wuhan, China
| |
Collapse
|
8
|
Li Z, Chen L, Xu C, Chen Z, Wang Y. Non-invasive sensory neuromodulation in epilepsy: Updates and future perspectives. Neurobiol Dis 2023; 179:106049. [PMID: 36813206 DOI: 10.1016/j.nbd.2023.106049] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/15/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Epilepsy, one of the most common neurological disorders, often is not well controlled by current pharmacological and surgical treatments. Sensory neuromodulation, including multi-sensory stimulation, auditory stimulation, olfactory stimulation, is a kind of novel noninvasive mind-body intervention and receives continued attention as complementary safe treatment of epilepsy. In this review, we summarize the recent advances of sensory neuromodulation, including enriched environment therapy, music therapy, olfactory therapy, other mind-body interventions, for the treatment of epilepsy based on the evidence from both clinical and preclinical studies. We also discuss their possible anti-epileptic mechanisms on neural circuit level and propose perspectives on possible research directions for future studies.
Collapse
Affiliation(s)
- Zhongxia Li
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China; Zhejiang Rehabilitation Medical Center Department, The Third Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Liying Chen
- Department of Pharmacy, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Cenglin Xu
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Zhong Chen
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Yi Wang
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China; Zhejiang Rehabilitation Medical Center Department, The Third Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China.
| |
Collapse
|
9
|
Zhou HY, Huai YP, Jin X, Yan P, Tang XJ, Wang JY, Shi N, Niu M, Meng ZX, Wang X. An enriched environment reduces hippocampal inflammatory response and improves cognitive function in a mouse model of stroke. Neural Regen Res 2022; 17:2497-2503. [PMID: 35535902 PMCID: PMC9120675 DOI: 10.4103/1673-5374.338999] [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] [Indexed: 11/04/2022] Open
Abstract
An enriched environment is used as a behavioral intervention therapy that applies sensory, motor, and social stimulation, and has been used in basic and clinical research of various neurological diseases. In this study, we established mouse models of photothrombotic stroke and, 24 hours later, raised them in a standard, enriched, or isolated environment for 4 weeks. Compared with the mice raised in a standard environment, the cognitive function of mice raised in an enriched environment was better and the pathological damage in the hippocampal CA1 region was remarkably alleviated. Furthermore, protein expression levels of tumor necrosis factor receptor-associated factor 6, nuclear factor κB p65, interleukin-6, and tumor necrosis factor α, and the mRNA expression level of tumor necrosis factor receptor-associated factor 6 were greatly lower, while the expression level of miR-146a-5p was higher. Compared with the mice raised in a standard environment, changes in these indices in mice raised in an isolated environment were opposite to mice raised in an enriched environment. These findings suggest that different living environments affect the hippocampal inflammatory response and cognitive function in a mouse model of stroke. An enriched environment can improve cognitive function following stroke through up-regulation of miR-146a-5p expression and a reduction in the inflammatory response.
Collapse
Affiliation(s)
- Hong-Yu Zhou
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
| | - Ya-Ping Huai
- Department of Rehabilitation Medicine, Shenzhen Longhua District Central Hospital, Shenzhen, Guangdong Province, China
| | - Xing Jin
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
| | - Ping Yan
- School of Nursing, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Xiao-Jia Tang
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
| | - Jun-Ya Wang
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
| | - Nan Shi
- School of Nursing, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Meng Niu
- Dalian Medical University, Dalian, Liaoning Province, China
| | - Zhao-Xiang Meng
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
| | - Xin Wang
- Department of Rehabilitation Medicine, Northern Jiangsu People's Hospital Affiliated to Yangzhou University (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu Province, China
| |
Collapse
|
10
|
Kim HY, Back DB, Choi BR, Choi DH, Kwon KJ. Rodent Models of Post-Stroke Dementia. Int J Mol Sci 2022; 23:ijms231810750. [PMID: 36142661 PMCID: PMC9501431 DOI: 10.3390/ijms231810750] [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: 06/30/2022] [Revised: 09/12/2022] [Accepted: 09/13/2022] [Indexed: 11/16/2022] Open
Abstract
Post-stroke cognitive impairment is one of the most common complications in stroke survivors. Concomitant vascular risk factors, including aging, diabetes mellitus, hypertension, dyslipidemia, or underlying pathologic conditions, such as chronic cerebral hypoperfusion, white matter hyperintensities, or Alzheimer’s disease pathology, can predispose patients to develop post-stroke dementia (PSD). Given the various clinical conditions associated with PSD, a single animal model for PSD is not possible. Animal models of PSD that consider these diverse clinical situations have not been well-studied. In this literature review, diverse rodent models that simulate the various clinical conditions of PSD have been evaluated. Heterogeneous rodent models of PSD are classified into the following categories: surgical technique, special structure, and comorbid condition. The characteristics of individual models and their clinical significance are discussed in detail. Diverse rodent models mimicking the specific pathomechanisms of PSD could provide effective animal platforms for future studies investigating the characteristics and pathophysiology of PSD.
Collapse
Affiliation(s)
- Hahn Young Kim
- Department of Neurology, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Korea
- Correspondence: ; Tel.: +82-2-2030-7563; Fax: +82-2-2030-5169
| | - Dong Bin Back
- Department of Neurology, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Korea
| | - Bo-Ryoung Choi
- Department of Neurology, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Korea
| | - Dong-Hee Choi
- Department of Medicine, Konkuk University School of Medicine, Seoul 05030, Korea
| | - Kyoung Ja Kwon
- Department of Medicine, Konkuk University School of Medicine, Seoul 05030, Korea
| |
Collapse
|
11
|
Zhu D, Zhang M, He B, Wan Y, Wang L, Gao F. The role of sex and ovarian hormones in hippocampal damage and cognitive deficits induced by chronic exposure to hypobaric hypoxia. Front Neurosci 2022; 16:953417. [PMID: 36003965 PMCID: PMC9393425 DOI: 10.3389/fnins.2022.953417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 07/15/2022] [Indexed: 11/13/2022] Open
Abstract
Purpose This study aims to investigate the role of sex and ovarian hormones in hippocampal damage and cognitive deficits and behavioral dysfunction in rats induced by chronic exposure to hypobaric hypoxia. Methods Six-week-old male and female SD rats were housed for 3 months either in a real altitude (4,250 m) environment as the model of chronic hypobaric-hypoxia (CHH) or in a plain as controls. The animal behavioral and hippocampal neurons at subcellular, molecular, and ultrastructural levels were characterized after CHH exposure. Results After 3 months of CHH exposure, (1) male CHH rats’ serum testosterone level was lower than male controls’ whereas female CHH rats’ serum estradiol level was higher than female controls’; (2) Morris water maze test finds that male rats showed more learning and spatial memory deficits than female rats; (3) male rats showed more severe hippocampal damage, hippocampal inflammation, oxidative stress and decreased hippocampal integrity (neurogenesis and dendritic spine density) than female rats; (4) Western blot analysis shows that, compared with the male control group, in male CHH group’s hippocampus, expression of nNOS, HO-1, and Bax protein increased whereas that of Bcl-2 protein decreased; (5) Expression of PON2 protein in male rats (CHH and controls) was lower than female rats (CHH and controls). In addition, CHH exposure decreased the expression of PON2 protein in both male and female rats; (6) qPCR analysis reveals that CHH exposure reduced the gene expression of N-methyl-D-aspartate receptor NR2A and NR2B subunits in male rats’ hippocampus. In addition, compared with the sham CHH group, the expression level of PON2 protein decreased in the OVX-CHH group’s hippocampus whereas oxidative stress, neuroinflammation, and degeneration of hippocampal neurons increased in the OVX-CHH group’s hippocampus. Conclusion After CHH exposure, male rats were significantly more likely than female rats to develop hippocampal damage, hippocampal neuroinflammation, and cognitive decline and deficits, suggesting that sex and ovarian hormones were significantly involved in regulating the rats’ susceptibility to CHH exposure-induced hippocampal damage.
Collapse
|
12
|
Han Y, Yuan M, Guo YS, Shen XY, Gao ZK, Bi X. The role of enriched environment in neural development and repair. Front Cell Neurosci 2022; 16:890666. [PMID: 35936498 PMCID: PMC9350910 DOI: 10.3389/fncel.2022.890666] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 06/29/2022] [Indexed: 12/01/2022] Open
Abstract
In addition to genetic information, environmental factors play an important role in the structure and function of nervous system and the occurrence and development of some nervous system diseases. Enriched environment (EE) can not only promote normal neural development through enhancing neuroplasticity but also play a nerve repair role in restoring functional activities during CNS injury by morphological and cellular and molecular adaptations in the brain. Different stages of development after birth respond to the environment to varying degrees. Therefore, we systematically review the pro-developmental and anti-stress value of EE during pregnancy, pre-weaning, and “adolescence” and analyze the difference in the effects of EE and its sub-components, especially with physical exercise. In our exploration of potential mechanisms that promote neurodevelopment, we have found that not all sub-components exert maximum value throughout the developmental phase, such as animals that do not respond to physical activity before weaning, and that EE is not superior to its sub-components in all respects. EE affects the developing and adult brain, resulting in some neuroplastic changes in the microscopic and macroscopic anatomy, finally contributing to enhanced learning and memory capacity. These positive promoting influences are particularly prominent regarding neural repair after neurobiological disorders. Taking cerebral ischemia as an example, we analyzed the molecular mediators of EE promoting repair from various dimensions. We found that EE does not always lead to positive effects on nerve repair, such as infarct size. In view of the classic issues such as standardization and relativity of EE have been thoroughly discussed, we finally focus on analyzing the essentiality of the time window of EE action and clinical translation in order to devote to the future research direction of EE and rapid and reasonable clinical application.
Collapse
Affiliation(s)
- Yu Han
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Mei Yuan
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Yi-Sha Guo
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Xin-Ya Shen
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
- Department of Graduate School, Shanghai University of Medicine and Health Sciences Affiliated Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhen-Kun Gao
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
- Department of Graduate School, Shanghai University of Medicine and Health Sciences Affiliated Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xia Bi
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
- *Correspondence: Xia Bi
| |
Collapse
|
13
|
Wang X, Peng Y, Zhou H, Du W, Wang J, Wang J, Wu T, Tang X, Lv Y, Gong J. The Effects of Enriched Rehabilitation on Cognitive Function and Serum Glutamate Levels Post-stroke. Front Neurol 2022; 13:829090. [PMID: 35370905 PMCID: PMC8967952 DOI: 10.3389/fneur.2022.829090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 02/15/2022] [Indexed: 11/30/2022] Open
Abstract
Aim This study aimed to explore the effect of enriched rehabilitation (ER) on cognitive function and serum glutamate levels in patients with stroke. Methods Forty patients diagnosed with post-stroke cognitive impairment (PSCI), according to the inclusion criteria, and undergoing inpatient rehabilitation were enrolled in the study. Patients were randomly assigned to receive 8 weeks of ER treatment (ER group; n = 20) or conventional medical treatment (CM group; n = 20). In addition, 20 age-matched healthy subjects who were outpatients in our hospital during the same period formed the healthy control (HC) group. In- and between-group differences in cognitive function were assessed during pre-intervention and post-intervention based on the Montreal Cognitive Assessment (MoCA), the Symbol Digit Modalities Test (SDMT), and the Trail Making Test (TMT). The serum levels of glutamate, tumor necrosis factor (TNF), and malondialdehyde (MDA) levels were also detected pre-intervention and post-intervention. Results Pre-intervention cognitive function and the levels of all the serum parameters assessed significant difference between the HC group and the PSCI group (both ER and CM groups) (p < 0.05), but not between the two groups of patients with PSCI (p > 0.05). Significant improvements were observed in cognitive function in both the ER and the CM groups post-intervention compared with pre-intervention, as evidenced by the measured improvement in MoCA, SDMT, and TMT scores. Similar improvements were seen for serum glutamate, the degree of oxidative damage, and the level of inflammation in both the treatment groups (p < 0.05). More enhancements in cognitive function, including MoCA, SDMT, TMT scores, and the serum levels of glutamate, the degree of oxidative damage, and the level of inflammation were shown in the ER group compared with the CM group post-intervention (p < 0.05). Conclusions ER can improve cognitive function in patients with PSCI. The associated mechanism may be related to the negative regulatory effect of ER on serum glutamate, TNF, and MDA levels, which is likely to enhance synaptic plasticity and alleviate oxidative stress- and inflammation-related damage, at least to some extent.
Collapse
Affiliation(s)
- Xin Wang
- Department of Rehabilitation Medicine, Clinical Medical College, Yangzhou University, Yangzhou, China
- Xin Wang
| | - Yuan Peng
- Department of Rehabilitation Medicine, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Hongyu Zhou
- Department of Rehabilitation Medicine, Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Wanchun Du
- Medical College, Yangzhou University, Yangzhou, China
| | - Junya Wang
- Medical College, Yangzhou University, Yangzhou, China
| | - JiaJin Wang
- Department of Rehabilitation Medicine, Yangzhou Clinical Medical College of Dalian Medical University, Yangzhou, China
| | - Tong Wu
- Department of Rehabilitation Medicine, Yangzhou Clinical Medical College of Dalian Medical University, Yangzhou, China
| | - Xiaojia Tang
- Department of Rehabilitation Medicine, Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Yichen Lv
- School of Rehabilitation Medicine, Binzhou Medical University, Yantai, China
| | - Jianwei Gong
- School of Rehabilitation Medicine, Binzhou Medical University, Yantai, China
- *Correspondence: Jianwei Gong
| |
Collapse
|
14
|
Durán-Carabali LE, Odorcyk FK, Sanches EF, de Mattos MM, Anschau F, Netto CA. Effect of environmental enrichment on behavioral and morphological outcomes following neonatal hypoxia-ischemia in rodent models: A systematic review and meta-analysis. Mol Neurobiol 2022; 59:1970-1991. [PMID: 35040041 DOI: 10.1007/s12035-022-02730-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 01/02/2022] [Indexed: 02/06/2023]
Abstract
Neonatal hypoxia-ischemia (HI) is a major cause of mortality and morbidity in newborns and, despite recent advances in neonatal intensive care, there is no definitive treatment for this pathology. Once preclinical studies have shown that environmental enrichment (EE) seems to be a promising therapy for children with HI, the present study conducts a systematic review and meta-analysis of articles with EE in HI rodent models focusing on neurodevelopmental reflexes, motor and cognitive function as well as brain damage. The protocol was registered a priori at PROSPERO. The search was conducted in PubMed, Embase and PsycINFO databases, resulting in the inclusion of 22 articles. Interestingly, EE showed a beneficial impact on neurodevelopmental reflexes (SMD= -0.73, CI= [-0.98; -0.47], p< 0.001, I2= 0.0%), motor function (SMD= -0.55, CI= [-0.81; -0.28], p< 0.001, I2= 62.6%), cognitive function (SMD= -0.93, CI= [-1.14; -0.72], p< 0.001, I2= 27.8%) and brain damage (SMD= -0.80, CI= [-1.03; -0.58], p< 0.001, I2= 10.7%). The main factors that potentiate EE positive effects were enhanced study quality, earlier age at injury as well as earlier start and longer duration of EE exposure. Overall, EE was able to counteract the behavioral and histological damage induced by the lesion, being a promising therapeutic strategy for HI.
Collapse
Affiliation(s)
- L E Durán-Carabali
- Graduate Program in Biological Sciences: Physiology, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
| | - F K Odorcyk
- Graduate Program in Biological Sciences: Biochemistry, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - E F Sanches
- Division of Child Development and Growth, Department of Pediatrics, Gynecology and Obstetrics, School of Medicine, University of Geneva, Geneva, Switzerland
| | - M M de Mattos
- Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos 2600, anexo, Porto Alegre, RS, CEP 90035-003, Brazil
| | - F Anschau
- Medicine school, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Graduation Program on Evaluation and Production of Technologies for the Brazilian National Health System, Porto Alegre, Brazil
| | - C A Netto
- Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos 2600, anexo, Porto Alegre, RS, CEP 90035-003, Brazil. .,Department of Physiology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
| |
Collapse
|
15
|
Wang X, Chen L, Zhou H, Xu Y, Zhang H, Yang W, Tang X, Wang J, Lv Y, Yan P, Peng Y. Enriched Rehabilitation Improves Gait Disorder and Cognitive Function in Parkinson's Disease: A Randomized Clinical Trial. Front Neurosci 2021; 15:733311. [PMID: 34924926 PMCID: PMC8674725 DOI: 10.3389/fnins.2021.733311] [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: 06/30/2021] [Accepted: 11/03/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Studies on non-pharmacological strategies for improving gait performance and cognition in Parkinson's disease (PD) are of great significance. We aimed to investigate the effect of and mechanism underlying enriched rehabilitation as a potentially effective strategy for improving gait performance and cognition in early-stage PD. Methods: Forty participants with early-stage PD were randomly assigned to receive 12 weeks (2 h/day, 6 days/week) of enriched rehabilitation (ER; n = 20; mean age, 66.14 ± 4.15 years; 45% men) or conventional rehabilitation (CR; n = 20; mean age 65.32 ± 4.23 years; 50% men). In addition, 20 age-matched healthy volunteers were enrolled as a control (HC) group. We assessed the general motor function using the Unified PD Rating Scale-Part III (UPDRS-III) and gait performance during single-task (ST) and dual-task (DT) conditions pre- and post-intervention. Cognitive function assessments included the Montreal Cognitive Assessment (MoCA), the Symbol Digit Modalities Test (SDMT), and the Trail Making Test (TMT), which were conducted pre- and post-intervention. We also investigated alteration in positive resting-state functional connectivity (RSFC) of the left dorsolateral prefrontal cortex (DLPFC) in participants with PD, mediated by ER, using functional magnetic resonance imaging (fMRI). Results: Compared with the HC group, PD participants in both ER and CR groups performed consistently poorer on cognitive and motor assessments. Significant improvements were observed in general motor function as assessed by the UPDRS-III in both ER and CR groups post-intervention. However, only the ER group showed improvements in gait parameters under ST and DT conditions post-intervention. Moreover, ER had a significant effect on cognition, which was reflected in increased MoCA, SDMT, and TMT scores post-intervention. MoCA, SDMT, and TMT scores were significantly different between ER and CR groups post-intervention. The RSFC analysis showed strengthened positive functional connectivity between the left DLPFC and other brain areas including the left insula and left inferior frontal gyrus (LIFG) post-ER. Conclusion: Our findings indicated that ER could serve as a potentially effective therapy for early-stage PD for improving gait performance and cognitive function. The underlying mechanism based on fMRI involved strengthened RSFC between the left DLPFC and other brain areas (e.g., the left insula and LIFG).
Collapse
Affiliation(s)
- Xin Wang
- Department of Rehabilitation Medicine, Clinical Medical College, Yangzhou University, Yangzhou, China
| | - LanLan Chen
- Department of Neurology, Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Hongyu Zhou
- Department of Rehabilitation Medicine, Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Yao Xu
- Department of Neurology, Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Hongying Zhang
- Department of Medical Imaging, Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Wenrui Yang
- Graduate School, Dalian Medical University, Dalian, China
| | - XiaoJia Tang
- Department of Rehabilitation Medicine, Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Junya Wang
- Medical College, Yangzhou University, Yangzhou, China
| | - Yichen Lv
- School of Rehabilitation Medicine, Binzhou Medical University, Yantai, China
| | - Ping Yan
- School of Nursing, Yangzhou University, Yangzhou, China
| | - Yuan Peng
- Department of Rehabilitation Medicine, Guangzhou First People's Hospital, Guangzhou, China
| |
Collapse
|
16
|
de Boer A, Storm A, Gomez-Soler M, Smolders S, Rué L, Poppe L, B Pasquale E, Robberecht W, Lemmens R. Environmental enrichment during the chronic phase after experimental stroke promotes functional recovery without synergistic effects of EphA4 targeted therapy. Hum Mol Genet 2021; 29:605-617. [PMID: 31814004 PMCID: PMC7068116 DOI: 10.1093/hmg/ddz288] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 11/14/2019] [Accepted: 12/04/2019] [Indexed: 12/31/2022] Open
Abstract
Worldwide, stroke is the main cause of long-term adult disability. After the initial insult, most patients undergo a subacute period with intense plasticity and rapid functional improvements. This period is followed by a chronic phase where recovery reaches a plateau that is only partially modifiable by rehabilitation. After experimental stroke, various subacute rehabilitation paradigms improve recovery. However, in order to reach the best possible outcome, a combination of plasticity-promoting strategies and rehabilitation might be necessary. EphA4 is a negative axonal guidance regulator during development. After experimental stroke, reduced EphA4 levels improve functional outcome with similar beneficial effects upon the inhibition of EphA4 downstream targets. In this study, we assessed the effectiveness of a basic enriched environment in the chronic phase after photothrombotic stroke in mice as well as the therapeutic potential of EphA4 targeted therapy followed by rehabilitation. Our findings show that environmental enrichment in the chronic phase improves functional outcome up to 2 months post-stroke. Although EphA4 levels increase after experimental stroke, subacute EphA4 inhibition followed by environmental enrichment does not further increase recovery. In conclusion, we show that environmental enrichment during the chronic phase of stroke improves functional outcome in mice with no synergistic effects of the used EphA4 targeted therapy.
Collapse
Affiliation(s)
- Antina de Boer
- Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), KU Leuven-University of Leuven, Leuven 3000, Belgium.,VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven 3000, Belgium
| | - Annet Storm
- Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), KU Leuven-University of Leuven, Leuven 3000, Belgium.,VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven 3000, Belgium
| | - Maricel Gomez-Soler
- Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Silke Smolders
- Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), KU Leuven-University of Leuven, Leuven 3000, Belgium.,VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven 3000, Belgium
| | - Laura Rué
- Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), KU Leuven-University of Leuven, Leuven 3000, Belgium.,VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven 3000, Belgium
| | - Lindsay Poppe
- Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), KU Leuven-University of Leuven, Leuven 3000, Belgium.,VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven 3000, Belgium
| | - Elena B Pasquale
- Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Wim Robberecht
- Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), KU Leuven-University of Leuven, Leuven 3000, Belgium.,Department of Neurology, University Hospitals Leuven, Leuven 3000, Belgium
| | - Robin Lemmens
- Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), KU Leuven-University of Leuven, Leuven 3000, Belgium.,VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven 3000, Belgium.,Department of Neurology, University Hospitals Leuven, Leuven 3000, Belgium
| |
Collapse
|
17
|
Yuan M, Guo YS, Han Y, Gao ZK, Shen XY, Bi X. Effectiveness and mechanisms of enriched environment in post-stroke cognitive impairment. Behav Brain Res 2021; 410:113357. [PMID: 33989729 DOI: 10.1016/j.bbr.2021.113357] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/19/2021] [Accepted: 05/08/2021] [Indexed: 12/27/2022]
Abstract
Post-stroke cognitive impairment (PSCI) is one of the most common complications of stroke, it is also an important reason for the poor prognosis in stroke patients with motor and speech dysfunction. Enriched Environment (EE), a novel and easy-to-implement rehabilitation treatment strategy, is thought to be a potential intervention for PSCI recently. In this paper, we review the therapeutic effects and related mechanisms of EE in PSCI from the level of animal research and clinical application. Besides, we further discuss the application prospects and limitations of EE in PSCI patients.
Collapse
Affiliation(s)
- Mei Yuan
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, 201318, China.
| | - Yi-Sha Guo
- Shanghai University of Sport, Shanghai, 200438, China.
| | - Yu Han
- Shanghai University of Sport, Shanghai, 200438, China.
| | - Zhen-Kun Gao
- Shanghai University of Traditionary Chinese Medicine, Shanghai, 201203, China.
| | - Xin-Ya Shen
- Shanghai University of Traditionary Chinese Medicine, Shanghai, 201203, China.
| | - Xia Bi
- Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, 201318, China.
| |
Collapse
|
18
|
Wang X, Meng ZX, Chen YZ, Li YP, Zhou HY, Yang M, Zhao TT, Gong YL, Wu Y, Liu T. Enriched environment enhances histone acetylation of NMDA receptor in the hippocampus and improves cognitive dysfunction in aged mice. Neural Regen Res 2020; 15:2327-2334. [PMID: 32594057 PMCID: PMC7749489 DOI: 10.4103/1673-5374.285005] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 12/25/2019] [Accepted: 03/04/2020] [Indexed: 01/11/2023] Open
Abstract
The mechanisms of age-associated memory impairment may be associated with glutamate receptor function and chromatin modification. To observe the effect of an enriched environment on the cognitive function of mice with age-associated memory impairment, 3-month-old C57BL/6 male mice ("young" mice) were raised in a standard environment, while 24-month-old C57BL/6 male mice with memory impairment ("age-associated memory impairment" mice) were raised in either a standard environment or an enriched environment. The enriched environment included a variety of stimuli involving movement and sensation. A water maze test was then used to measure cognitive function in the mice. Furthermore, quantitative real-time polymerase chain reaction and western blot assays were used to detect right hippocampal GluN2B mRNA as well as protein expression of GluN2B and CREB binding protein in all mice. In addition, chromatin immunoprecipitation was used to measure the extent of histone acetylation of the hippocampal GluN2B gene promoters. Compared with the young mice, the water maze performance of age-associated memory impairment mice in the standard environment was significantly decreased. In addition, there were significantly lower levels of total histone acetylation and expression of CREB binding protein in the hippocampus of age-associated memory impairment mice in the standard environment compared with the young mice. There were also significantly lower levels of histone acetylation, protein expression, and mRNA expression of GluN2B in the hippocampus of these mice. In contrast, in the age-associated memory impairment mice with the enriched environment intervention, the water maze performance and molecular biological indexes were significantly improved. These data confirm that an enriched environment can improve cognitive dysfunction in age-associated memory impairment mice, and suggest that the mechanisms may be related to the increased expression of CREB binding protein and the increased degree of total histone acetylation in the hippocampus of age-associated memory impairment mice, which may cause the increase of histone acetylation of GluN2B gene promoter and the enhancement of GluN2B mRNA transcription and protein expression in hippocampus. The animal experiment was approved by the Animal Ethics Committee of Yangzhou University, China (approval No. 20170312001) in March 2017.
Collapse
Affiliation(s)
- Xin Wang
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
- Department of Rehabilitation, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Zhao-Xiang Meng
- Department of Rehabilitation, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Ying-Zhu Chen
- Department of Rehabilitation, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Yu-Ping Li
- Department of Rehabilitation, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Hong-Yu Zhou
- Department of Rehabilitation, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu Province, China
| | - Man Yang
- Department of Rehabilitation, First Affiliated Hospital, Dalian Medical University, Dalian, Liaoning Province, China
| | - Ting-Ting Zhao
- Department of Rehabilitation, First Affiliated Hospital, Dalian Medical University, Dalian, Liaoning Province, China
| | - Yu-Lai Gong
- Department of Rehabilitation Medicine, Sichuan Provincial Rehabilitation Hospital Affiliated to Chengdu University of TCM, Chengdu, Sichuan Province, China
| | - Yi Wu
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Tao Liu
- South China Research Center for Acupuncture and Moxibustion, Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong Province, China
| |
Collapse
|
19
|
YUAN M, ZHANG XX, FU XC, BI X. Enriched environment alleviates post-stroke cognitive impairment through enhancing α7-nAChR expression in rats. ARQUIVOS DE NEURO-PSIQUIATRIA 2020; 78:603-610. [DOI: 10.1590/0004-282x20200081] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 03/03/2020] [Indexed: 12/31/2022]
Abstract
ABSTRACT Background: Enriched environment (EE) is a simple and effective intervention to improve cognitive function in post-stroke cognitive impairment (PSCI), partly due to the rebalancing of the cholinergic signaling pathway in the hippocampus. α7-nicotinic acetylcholine receptor (α7-nAChR) is a cholinergic receptor whose activation inhibits inflammation and promotes the recovery of neurological function in PSCI patients. However, it is still unclear whether EE can regulate α7-nAChR and activate the cholinergic anti-inflammatory pathway (CAP) in PSCI. Objective: To investigate the effects of EE on cognitive impairment, and the role of α7-nAChR in PSCI. Methods: A PSCI rat model was induced by middle cerebral artery occlusion and reperfusion (MCAO/R) and were reared in standard environment (SE) or EE for 28d, control group with sham surgery. Cognitive function was determined by Morris water maze test. The long-term potentiation (LTP) was assessed by Electrophysiology. Histopathological methods were used to determine infarct volume, α7-nAChR expression and the cytokines and cholinergic proteins expression. Results: Compared with SE group, rats in EE group had better cognitive function, higher expression of α7-nAChR positive neurons in hippocampal CA1 region. In addition, EE attenuated unfavorable changes induced by MCAO/R in cytokines and cholinergic proteins, and also enhanced LTP promoted by nicotine and attenuated by α-BGT; but showed no significantly difference in infarct volume. Conclusions: EE markedly improves cognitive impairment and enhances neuroplasticity in PSCI rats, which may be closely related to enhancement of α7-nAChR expression.
Collapse
Affiliation(s)
- Mei YUAN
- Shanghai University of Sport, China
| | | | | | - Xia BI
- Shanghai University of Medicine & Health Sciences, China
| |
Collapse
|
20
|
Yu Z, Wang J, Zhang P, Wang J, Cui J, Wang H. Enriched environment improves sevoflurane-induced cognitive impairment during late-pregnancy via hippocampal histone acetylation. ACTA ACUST UNITED AC 2020; 53:e9861. [PMID: 32813852 PMCID: PMC7433840 DOI: 10.1590/1414-431x20209861] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 06/08/2020] [Indexed: 12/28/2022]
Abstract
Fetal exposure to sevoflurane induces long-term cognitive impairment. Histone acetylation regulates the transcription of genes involved in memory formation. We investigated whether sevoflurane exposure during late-pregnancy induces neurocognitive impairment in offspring, and if this is related to histone acetylation dysfunction. We determined whether the effects could be reversed by an enriched environment (EE). Pregnant rats were exposed to 2.5% sevoflurane or control for 1, 3, or 6 h on gestational day 18 (G18). Sevoflurane reduced brain-derived neurotrophic factor (BDNF), acetyl histone H3 (Ac-H3), and Ac-H4 levels and increased histone deacetylases-2 (HDAC2) and HDAC3 levels in the hippocampus of the offspring on postnatal day 1 (P1) and P35. Long-term potentiation was inhibited, and spatial learning and memory were impaired in the 6-h sevoflurane group at P35. EE alleviated sevoflurane-induced cognitive dysfunction and increased hippocampal BDNF, Ac-H3, and Ac-H4. Exposure to 2.5% sevoflurane for 3 h during late-pregnancy decreased hippocampal BDNF, Ac-H3, and Ac-H4 in the offspring but had no effect on cognitive function. However, when the exposure time was 6 h, impaired spatial learning and memory were linked to reduced BDNF, Ac-H3, and Ac-H4, which could be reversed by EE.
Collapse
Affiliation(s)
- Zhiqiang Yu
- Department of Anesthesiology, Tianjin Central Hospital of Gynecology and Obstetrics, Tianjin Key Laboratory of Human Development and Reproductive Regulation, Tianjin, China
| | - Jinxin Wang
- Department of Anesthesiology, The Third Central Clinical College of Tianjin Medical University, Tianjin Third Central Hospital, Nankai University Affinity the Third Central Hospital, Tianjin Institute of Hepatobiliary Disease, Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Tianjin, China
| | - Peijun Zhang
- Department of Anesthesiology, Tianjin Central Hospital of Gynecology and Obstetrics, Tianjin Key Laboratory of Human Development and Reproductive Regulation, Tianjin, China
| | - Jianbo Wang
- Department of Anesthesiology, Tianjin Central Hospital of Gynecology and Obstetrics, Tianjin Key Laboratory of Human Development and Reproductive Regulation, Tianjin, China
| | - Jian Cui
- Department of Anesthesiology, Tianjin Central Hospital of Gynecology and Obstetrics, Tianjin Key Laboratory of Human Development and Reproductive Regulation, Tianjin, China
| | - Haiyun Wang
- Department of Anesthesiology, The Third Central Clinical College of Tianjin Medical University, Tianjin Third Central Hospital, Nankai University Affinity the Third Central Hospital, Tianjin Institute of Hepatobiliary Disease, Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Tianjin, China
| |
Collapse
|
21
|
Protection of blood-brain barrier as a potential mechanism for enriched environments to improve cognitive impairment caused by chronic cerebral hypoperfusion. Behav Brain Res 2019; 379:112385. [PMID: 31778736 DOI: 10.1016/j.bbr.2019.112385] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 10/27/2019] [Accepted: 11/24/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Chronic cerebral hypoperfusion (CCH) is a common pathophysiological basis for Alzheimer's Disease and vascular dementia in the early stages. It has been confirmed that blood-brain barrier (BBB) destruction is a key factor in CCH-related cognitive impairment. Here we explored the effects of an enriched environment (EE) intervention on CCH-induced BBB destruction and cognitive impairment, and the underlying mechanism. METHODS Rats in the EE group were exposed to an EE, while the standard environment (SE) group was maintained in a standard cage with bedding but no other objects. On day 14, CCH was induced via permanent bilateral common carotid artery occlusion (2VO). Next, Evans blue (EB) leakage in the hippocampus was measured by chemical colorimetry to dynamically evaluate BBB permeability. On day 28, the BBB ultrastructure was observed using transmission electron microscopy. The expression levels of BBB integrity-related proteins, matrix metalloproteinases-2/-9 (MMP-2/-9), and the classical Wnt/β-catenin signaling pathway-related proteins were detected using western-blotting techniques. On day 43, cognitive function was assessed using the Morris water maze. RESULTS After 2VO, CCH rats exposed to the SE developed obvious cognitive impairment and BBB destruction. BBB damage was manifested through increased EB leakage, ultrastructural destruction, degradation of BBB integrity-related proteins, and up-regulation of MMP-2/-9. These changes were significantly alleviated after the EE intervention. In addition, EEs activated the Wnt/β-catenin signaling pathway in the hippocampus of rats. CONCLUSIONS These results suggest that protection of the BBB may be a novel mechanism by which EEs ameliorate CCH-induced cognitive impairment, and this effect may be related to the activation of the Wnt/β-catenin pathway.
Collapse
|
22
|
Farokhi-Sisakht F, Farhoudi M, Sadigh-Eteghad S, Mahmoudi J, Mohaddes G. Cognitive Rehabilitation Improves Ischemic Stroke-Induced Cognitive Impairment: Role of Growth Factors. J Stroke Cerebrovasc Dis 2019; 28:104299. [DOI: 10.1016/j.jstrokecerebrovasdis.2019.07.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 06/24/2019] [Accepted: 07/13/2019] [Indexed: 12/20/2022] Open
|
23
|
Zhan Y, Li MZ, Yang L, Feng XF, Zhang QX, Zhang N, Zhao YY, Zhao H. An MRI Study of Neurovascular Restorative After Combination Treatment With Xiaoshuan Enteric-Coated Capsule and Enriched Environment in Rats After Stroke. Front Neurosci 2019; 13:701. [PMID: 31354412 PMCID: PMC6630081 DOI: 10.3389/fnins.2019.00701] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 06/20/2019] [Indexed: 12/13/2022] Open
Abstract
Xiaoshuan enteric-coated capsule (XSEC) is a Chinese medicinal compound widely used for treatment of ischemic cerebrovascular diseases. Enriched environment (EE) is an effective rehabilitative protocol designed to enhance sensorimotor, cognitive and social stimulation. This study aimed to apply magnetic resonance imaging (MRI) to non-invasively assess whether EE could augment the therapeutic benefits of XSEC on post-ischemic neurovascular remodeling. Male Sprague–Dawley rats were subjected to permanent middle cerebral artery occlusion (MCAO) and treated with XSEC and EE alone or combination for 30 consecutive days. Beam walking test and Morris water maze (MWM) test were performed to evaluate motor and cognitive function, respectively. Multimodal MRI was applied to examine alterations to brain structures, intracranial vessels, and cerebral perfusion on the 31st day after MCAO. Double-immunofluorescent staining was used to evaluate neurogenesis and angiogenesis. Western blot and RT-PCR were used to detect the expressions of vascular endothelial growth factor (VEGF), angiopoietin-1 (Ang-1), angiopoietin-2 (Ang-2), and the axon guidance molecules. Combination therapy with XSEC and EE significantly reduced cystic volume compared with XSEC and EE monotherapies. In line with this, combination treated rats performed better in the beam walking test and exhibited improved spatial memory in the probe trial of the MWM. Moreover, XSEC and EE combination treatment improved cerebral blood flow (CBF), amplified angiogenesis and upregulated VEGF protein levels. This proangiogenic effect was consistent with the increased progenitor cell proliferation and neuronal differentiation in the peri-infarct cortex and striatum. Specifically, the combined therapy of XSEC and EE markedly increased the Netrin-1 and Robo-1 protein expression levels compared with vehicle group, while no difference was observed between XSEC or EE monotherapy and vehicle group. Together, these findings indicate that the combination of XSEC and EE benefits neurovascular reorganization. This correlates with restoration of CBF, promotion of neurogenesis and angiogenesis, and activation of the intrinsic axonal guidance molecules, thereby facilitating greater physical rehabilitation after ischemic stroke.
Collapse
Affiliation(s)
- Yu Zhan
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, China
| | - Man-Zhong Li
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, China
| | - Le Yang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, China
| | - Xue-Feng Feng
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, China
| | - Qiu-Xia Zhang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, China
| | - Nan Zhang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, China
| | - Yuan-Yuan Zhao
- Medical Imaging Laboratory of Core Facility Center, Capital Medical University, Beijing, China
| | - Hui Zhao
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, China
| |
Collapse
|
24
|
Wang X, Meng Z, Wang J, Zhou H, Wu Y, Wu J. Enriched environment improves working memory impairment of mice with traumatic brain injury by enhancing histone acetylation in the prefrontal cortex. PeerJ 2018; 6:e6113. [PMID: 30568864 PMCID: PMC6287579 DOI: 10.7717/peerj.6113] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 11/15/2018] [Indexed: 01/09/2023] Open
Abstract
Working memory impairment is a common cognitive dysfunction after traumatic brain injury (TBI), which severely affects the quality of life of patients. Acetylcholine is a neurotransmitter which is closely related to cognitive functions. In addition, epigenetic modifications are also related to cognitive functions. A neurorehabilitation strategy, enriched environment (EE) intervention, has been widely used to improve cognitive impairment. However, studies of the mechanism of EE on cholinergic system and epigenetic modifications in mouse with TBI have not been reported yet. In this paper, a mouse model with traumatic frontal lobe injury was established, and the mechanism on EE for the mice with TBI was explored. It was found that EE could improve Y-maze performance of mice with TBI, the function of cholinergic system, and the imbalance of acetylation homeostasis in the prefrontal cortex of contralateral side of TBI. In addition, EE also could increase the level of CREB binding protein and histones H3 acetylation at ChAT gene promoter region in the prefrontal cortex of contralateral side of TBI. These indicate that EE has an important effect on the improvement of working memory impairment and the underlying mechanism may involve in histones H3 acetylation at ChAT gene promoter regions in the prefrontal cortex.
Collapse
Affiliation(s)
- Xin Wang
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, PR China.,Department of Rehabilitation Medicine, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Zhaoxiang Meng
- Department of Rehabilitation Medicine, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Jibing Wang
- Department of Rehabilitation Medicine, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Hongyu Zhou
- Department of Rehabilitation Medicine, Clinical Medical College, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Yi Wu
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, PR China
| | - Junfa Wu
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, PR China
| |
Collapse
|
25
|
Yuan ZY, Yang J, Ma XW, Wang YY, Wang MW. Enriched environment elevates expression of growth associated protein-43 in the substantia nigra of SAMP8 mice. Neural Regen Res 2018; 13:1988-1994. [PMID: 30233074 PMCID: PMC6183044 DOI: 10.4103/1673-5374.239447] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
An enriched environment protects dopaminergic neurons from 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced neuronal injury, but the underlying mechanism for this is not clear. Growth associated protein-43 (GAP-43) is closely associated with neurite outgrowth and axon regeneration during neural development. We speculate that an enriched environment can reduce damage to dopaminergic neurons by affecting the expression of GAP-43. This study is designed to test this hypothesis. Three-month-old female senescence-accelerated mouse prone 8 (SAMP8) mice were housed for 3 months in an enriched environment or a standard environment. These mice were then subcutaneously injected in the abdomen with 14 mg/kg MPTP four times at 2-hour intervals. Morris water maze testing demonstrated that learning and memory abilities were better in the enriched environment group than in the standard environment group. Reverse-transcription polymerase chain reaction, immunohistochemistry and western blot assays showed that mRNA and protein levels of GAP-43 in the substantia nigra were higher after MPTP application in the enriched environment group compared with the standard environment group. These findings indicate that an enriched environment can increase GAP-43 expression in SAMP8 mice. The upregulation of GAP-43 may be a mechanism by which an enriched environment protects against MPTP-induced neuronal damage.
Collapse
Affiliation(s)
- Zhen-Yun Yuan
- The First Hospital of Hebei Medical University; Brain Aging and Cognitive Neuroscience Laboratory of Hebei Province, Shijiazhuang, Hebei Province, China
| | - Jie Yang
- The First Hospital of Hebei Medical University; Brain Aging and Cognitive Neuroscience Laboratory of Hebei Province, Shijiazhuang, Hebei Province, China
| | - Xiao-Wei Ma
- The First Hospital of Hebei Medical University; Brain Aging and Cognitive Neuroscience Laboratory of Hebei Province, Shijiazhuang, Hebei Province, China
| | - Yan-Yong Wang
- The First Hospital of Hebei Medical University; Brain Aging and Cognitive Neuroscience Laboratory of Hebei Province, Shijiazhuang, Hebei Province, China
| | - Ming-Wei Wang
- The First Hospital of Hebei Medical University; Brain Aging and Cognitive Neuroscience Laboratory of Hebei Province, Shijiazhuang, Hebei Province, China
| |
Collapse
|
26
|
Marcheschi E, Von Koch L, Pessah-Rasmussen H, Elf M. Home setting after stroke, facilitators and barriers: A systematic literature review. HEALTH & SOCIAL CARE IN THE COMMUNITY 2018; 26:e451-e459. [PMID: 29210130 DOI: 10.1111/hsc.12518] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/06/2017] [Indexed: 06/07/2023]
Abstract
This paper seeks to improve the understanding of the interaction between patients with stroke and the physical environment in their home settings. Stroke care is increasingly performed in the patient's home. Therefore, a systematic review was conducted to identify the existing knowledge about facilitators and barriers in the physical environment of home settings for the stroke rehabilitation process. Based upon Arksey and O'Malley's framework, a Boolean search strategy was performed in the databases; CINAHL, Medline, Web of Science and Scopus. Fifteen articles were retained from the literature search conducted between August and November 2016, and two researchers independently assessed their quality based on the Swedish Council on Health Technology Assessment guidelines. The results suggest that despite the healthcare system's ongoing shift towards home-based rehabilitation, the role played by the physical environment of home settings is still considered a side finding. Moreover, the research appears to focus mainly on how this environment supports mobility and activities of daily living, whereas information regarding the psychosocial and emotional processes that mediate the interaction between stroke survivors and their home setting are missing. A lack of information was also found with regard to the influence of different geographic locations on the stroke rehabilitation process. Future investigations are therefore needed to advance the understanding of the role played by the physical environment of home settings in supporting stroke recovery.
Collapse
Affiliation(s)
- Elizabeth Marcheschi
- Department of Architecture and Building Design, Chalmers University, Gothenburg, Sweden
| | - Lena Von Koch
- Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | | | - Marie Elf
- Department of Architecture and Building Design, Chalmers University, Gothenburg, Sweden
- Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
- School of Education, Health and Social Studies, Dalarna University, Falun, Sweden
| |
Collapse
|
27
|
Stradecki-Cohan HM, Cohan CH, Raval AP, Dave KR, Reginensi D, Gittens RA, Youbi M, Perez-Pinzon MA. Cognitive Deficits after Cerebral Ischemia and Underlying Dysfunctional Plasticity: Potential Targets for Recovery of Cognition. J Alzheimers Dis 2018; 60:S87-S105. [PMID: 28453486 DOI: 10.3233/jad-170057] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Cerebral ischemia affects millions of people worldwide and survivors suffer from long-term functional and cognitive deficits. While stroke and cardiac arrest are typically considered when discussing ischemic brain injuries, there is much evidence that smaller ischemic insults underlie neurodegenerative diseases, including Alzheimer's disease. The "regenerative" capacity of the brain relies on several aspects of plasticity that are crucial for normal functioning; less affected brain areas may take over function previously performed by irreversibly damaged tissue. To harness the endogenous plasticity mechanisms of the brain to provide recovery of cognitive function, we must first understand how these mechanisms are altered after damage, such as cerebral ischemia. In this review, we discuss the long-term cognitive changes that result after cerebral ischemia and how ischemia alters several plasticity processes. We conclude with a discussion of how current and prospective therapies may restore brain plasticity and allow for recovery of cognitive function, which may be applicable to several disorders that have a disruption of cognitive processing, including traumatic brain injury and Alzheimer's disease.
Collapse
Affiliation(s)
- Holly M Stradecki-Cohan
- Department of Neurology Cerebral Vascular Disease Research Laboratories, Miami, FL, USA.,Neuroscience Program, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Charles H Cohan
- Department of Neurology Cerebral Vascular Disease Research Laboratories, Miami, FL, USA
| | - Ami P Raval
- Department of Neurology Cerebral Vascular Disease Research Laboratories, Miami, FL, USA
| | - Kunjan R Dave
- Department of Neurology Cerebral Vascular Disease Research Laboratories, Miami, FL, USA.,Neuroscience Program, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Diego Reginensi
- Centro de Neurociencias, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT AIP), City of Knowledge, Panama, Republic of Panama
| | - Rolando A Gittens
- Centro de Neurociencias, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT AIP), City of Knowledge, Panama, Republic of Panama
| | - Mehdi Youbi
- Department of Neurology Cerebral Vascular Disease Research Laboratories, Miami, FL, USA
| | - Miguel A Perez-Pinzon
- Department of Neurology Cerebral Vascular Disease Research Laboratories, Miami, FL, USA.,Neuroscience Program, University of Miami Miller School of Medicine, Miami, FL, USA
| |
Collapse
|
28
|
Kular L, Kular S. Epigenetics applied to psychiatry: Clinical opportunities and future challenges. Psychiatry Clin Neurosci 2018; 72:195-211. [PMID: 29292553 DOI: 10.1111/pcn.12634] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 12/12/2017] [Accepted: 12/26/2017] [Indexed: 12/11/2022]
Abstract
Psychiatric disorders are clinically heterogeneous and debilitating chronic diseases resulting from a complex interplay between gene variants and environmental factors. Epigenetic processes, such as DNA methylation and histone posttranslational modifications, instruct the cell/tissue to correctly interpret external signals and adjust its functions accordingly. Given that epigenetic modifications are sensitive to environment, stable, and reversible, epigenetic studies in psychiatry could represent a promising approach to better understanding and treating disease. In the present review, we aim to discuss the clinical opportunities and challenges arising from the epigenetic research in psychiatry. Using selected examples, we first recapitulate key findings supporting the role of adverse life events, alone or in combination with genetic risk, in epigenetic programming of neuropsychiatric systems. Epigenetic studies further report encouraging findings about the use of methylation changes as diagnostic markers of disease phenotype and predictive tools of progression and response to treatment. Then we discuss the potential of using targeted epigenetic pharmacotherapy, combined with psychosocial interventions, for future personalized medicine for patients. Finally, we review the methodological limitations that could hinder interpretation of epigenetic data in psychiatry. They mainly arise from heterogeneity at the individual and tissue level and require future strategies in order to reinforce the biological relevance of epigenetic data and its translational use in psychiatry. Overall, we suggest that epigenetics could provide new insights into a more comprehensive interpretation of mental illness and might eventually improve the nosology, treatment, and prevention of psychiatric disorders.
Collapse
Affiliation(s)
- Lara Kular
- Department of Clinical Neuroscience, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Sonia Kular
- Adult Psychiatry Unit of Laval Secteur Est, Laval, France
| |
Collapse
|
29
|
Sakata K, Overacre AE. Promoter IV-BDNF deficiency disturbs cholinergic gene expression of CHRNA5, CHRM2, and CHRM5: effects of drug and environmental treatments. J Neurochem 2017; 143:49-64. [PMID: 28722769 DOI: 10.1111/jnc.14129] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 07/05/2017] [Accepted: 07/13/2017] [Indexed: 11/29/2022]
Abstract
Brain-derived neurotrophic factor (BDNF) promotes maturation of cholinergic neurons. However, how activity-dependent BDNF expression affects specific cholinergic gene expression remains unclear. This study addressed this question by determining mRNA levels of 22 acetylcholine receptor subunits, the choline transporter (CHT), and the choline acetyltransferase (ChAT) in mice deficient in activity-dependent BDNF via promoter IV (KIV) and control wild-type mice. Quantitative RT-PCR revealed significant reductions in nicotinic acetylcholine receptor alpha 5 (CHRNA5) in the frontal cortex and hippocampus and M5 muscarinic acetylcholine receptor (CHRM5) in the hippocampus, but significant increases in M2 muscarinic acetylcholine receptor (CHRM2) in the frontal cortex of KIV mice compared to wild-type mice. Three-week treatments with fluoxetine, phenelzine, duloxetine, imipramine, or an enriched environment treatment (EET) did not affect the altered expression of these genes except that EET increased CHRNA5 levels only in KIV frontal cortex. EET also increased levels of CHRNA7, CHT, and ChAT, again only in the KIV frontal cortex. The imipramine treatment was most prominent among the four antidepressants; it up-regulated hippocampal CHRM2 and frontal cortex CHRM5 in both genotypes, and frontal cortex CHRNA7 only in KIV mice. To the best of our knowledge, this is the first evidence that BDNF deficiency disturbs expression of CHRNA5, CHRM2, and CHRM5. Our results suggest that promoter IV-BDNF deficiency - which occurs under chronic stress - causes cholinergic dysfunctions via these receptors. EET is effective on CHRNA5, while its compensatory induction of other cholinergic genes or drugs targeting CHRNA5, CHRM2, and CHRM5 may become an alternative strategy to reverse these BDNF-linked cholinergic dysfunctions.
Collapse
Affiliation(s)
- Kazuko Sakata
- Department of Pharmacology, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Abigail E Overacre
- Department of Pharmacology, University of Tennessee Health Science Center, Memphis, TN, USA
| |
Collapse
|