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Liu G, Xie C, Li J, Jiang X, Tang H, Li C, Zhang K. Enriched environment treatment promotes neurofunctional recovery by regulating the ALK5/Smad2/3/Gadd45β signaling pathway in rats with cerebral ischemia /reperfusion injury. Neurochem Int 2024; 178:105806. [PMID: 39025366 DOI: 10.1016/j.neuint.2024.105806] [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: 02/18/2024] [Revised: 07/03/2024] [Accepted: 07/15/2024] [Indexed: 07/20/2024]
Abstract
It has been demonstrated that an enriched environment (EE) treatment can alter neuroplasticity in neurodegenerative diseases. However, the role of EE treatment in ischemic stroke remains unclear. Previous findings have revealed that EE treatment can promote cerebral activin-receptor-like-kinase-5 (ALK5) expression after cerebral ischemia/reperfusion (I/R) injury. ALK5 has been identified as a potential mediator of neuroplasticity through its modulation of Smad2/3 and Gadd45β. Therefore, the aim of this study was to investigate whether EE treatment could promote neurofunctional recovery by regulating the ALK5/Smad2/3/Gadd45β pathway. The study utilized the rat model of middle cerebral artery occlusion/reperfusion (MCAO/R). The ALK5/Smad2/3/Gadd45β signaling pathway changes were evaluated using western blotting (WB). Brain injury was assessed by infarct volume and neurobehavioral scores. The effect of EE treatment on neurogenesis was evaluated using Doublecortin (DCX) and Nestin, axonal plasticity with biotinylated dextran amine (BDA) nerve tracing, and dendritic plasticity was assessed using Golgi-Cox staining. EE treatment has been demonstrated to modulate the Smad2/3/Gadd45β pathway by regulating the expression of ALK5. The protective effects of EE treatment on brain infarct volume, neurological function, newborn neurons, dendritic and axonal plasticity following cerebral I/R injury were counteracted by ALK5 silencing. EE treatment can enhance neurofunctional recovery after cerebral I/R injury, which is achieved by regulating the ALK5/Smad2/3/Gadd45β signaling pathway to promote neuroplasticity.
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Affiliation(s)
- Gang Liu
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China; Chongqing Key Laboratory of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Chenchen Xie
- Department of Neurology, Affiliated Hospital & Clinical Medical College of Chengdu University, Chengdu, Sichuan Province, China; Chongqing Key Laboratory of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Jiani Li
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Xia Jiang
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China; Chongqing Key Laboratory of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Hao Tang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Changqing Li
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Keming Zhang
- School of Clinical Medicine, Chongqing Medical and Pharmaceutical College, Chongqing, China.
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Li MC, Jia JT, Wang YX, Zhuang YM, Wang HY, Lin ZY, Lu Y, Li MZ, Wang ZJ, Zhao H. Astragaloside IV promotes cerebral tissue restoration through activating AMPK- mediated microglia polarization in ischemic stroke rats. JOURNAL OF ETHNOPHARMACOLOGY 2024; 334:118532. [PMID: 38972527 DOI: 10.1016/j.jep.2024.118532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 06/13/2024] [Accepted: 07/04/2024] [Indexed: 07/09/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Astragaloside IV (AS), a key active ingredient obtained from Chinese herb Astragalus mongholicus Bunge, exerts potent neuroprotective and anti-inflammatory effects for treating neurodegenerative diseases. However, mechanisms of AS on improvement of ischemic brain tissue repair remain unclear. AIM OF THE STUDY This research aims at using magnetic resonance imaging (MRI) to noninvasively determine whether AS facilitates brain tissue repair, and investigating whether AS exerts brain remodeling through adenosine monophosphate-activated protein kinase (AMPK) metabolic signaling regulating key glycolytic enzymes and energy transporters, thereby impacting microglia polarization. MATERIALS AND METHODS Ischemic stroke model in male Sprague-Dawley rats were induced through permanent occlusion of the middle cerebral artery (MCAO). Infarct volume, the alterations of brain microstructure and nerve fibers reorganization were examined by multi-parametric MRI. The pathological damages of myelinated axons and microglia polarization surrounding infarct tissue were detected using pathological techniques. Furthermore, M1/M2 microglia polarization associated protein, glycolytic rate-limiting enzymes, energy transporters and AMPK/mammalian target of rapamycin (mTOR)/hypoxia inducible factor-1α (HIF-1α) signal were examined both in ischemic stroke rats and BV2 microglia treated with lipopolysaccharide (LPS) + interferon-γ (IFN-γ) by western blotting. RESULTS MRI revealed that AS obviously decreased infarct volume, relieved brain microstructure damage and improved nerve fibers reorganization in ischemic stroke rats. Histological tests supported MRI findings. Notably, AS promoted microglia M2 and reduced M1 polarization, induced the AMPK activation accompanied with decreased levels of phosphorylated mTOR and HIF-1α. Moreover, AS suppressed the expression of glycolytic rate-limiting enzymes and energy transporters in ischemic stroke rats and BV2 microglia. In contrast, these beneficial effects were greatly blocked by AMPK inhibitor compound C. CONCLUSION Overall, these results collectively suggested that AS facilitated tissue remodeling that may be partially through modulating polarization of microglia in AMPK- dependent metabolic pathways after ischemic stroke.
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Affiliation(s)
- Ming-Cong Li
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China; Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China
| | - Jing-Ting Jia
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China; Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China
| | - Yu-Xuan Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China; Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China
| | - Yu-Ming Zhuang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China; Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China
| | - Han-Yu Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China; Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China
| | - Zi-Yue Lin
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China; Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China
| | - Yun Lu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China; Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China
| | - Man-Zhong Li
- Department of Pharmacy, Beijing Shijitan Hospital, Capital Medical University, Beijing, 100038, China; Beijing Key Laboratory of Bio-characteristic Profiling for Evaluation of Rational Drug Use, Beijing, 100038, China
| | - Zhan-Jing Wang
- Medical Imaging Laboratory of Core Facility Center, Capital Medical University, Beijing, 100069, China
| | - Hui Zhao
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China; Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China.
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3
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Huang D, Fan Y, Zhang J, Wang Q, Ding M, Hou R, Yu K, Xiao X, Wu Y, Wu J. Dorsal dentate gyrus mediated enriched environment-induced anxiolytic and antidepressant effects in cortical infarcted mice. Exp Neurol 2024; 377:114801. [PMID: 38685308 DOI: 10.1016/j.expneurol.2024.114801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 04/18/2024] [Accepted: 04/25/2024] [Indexed: 05/02/2024]
Abstract
Anxiety and depression are the most common mental health disorders worldwide, each affecting around 30% stroke survivors. These complications not only affect the functional recovery and quality of life in stroke patients, but also are distressing for caregivers. However, effective treatments are still lacking. Enriched environment (EE), characterized with novel and multi-dimensional stimulation, has been reported to exert therapeutic effects on physical and cognitive function. In addition, EE also had potential positive effects on emotional disorders after ischemic stroke; however, the underling mechanisms have not been well elucidated. This study aimed to explore the effectiveness of EE on emotional disorders after cerebral ischemia and its underling mechanism. Sensorimotor cortical infarction was induced by photothrombosis with stable infarct location and volume, resulting in motor dysfunction, anxiety and depression-like behaviors in mice, with decreased ALFF and ReHo values and decreased c-fos expression in the infarction area and adjacent regions. Seven days' EE treatment significantly improved motor function of contralateral forelimb and exhibited anxiolytic and antidepressant effects in infarcted mice. Compared to the mice housing in a standard environment, those subjected to acute EE stimulation had significantly increased ALFF and ReHo values in the bilateral somatosensory cortex (S1, S2), dorsal dentate gyrus (dDG), dorsal CA1 of hippocampus (dCA1), lateral habenular nucleus (LHb), periaqueductal gray (PAG), ipsilateral primary motor cortex (M1), retrosplenial cortex (RSC), parietal association cortex (PtA), dorsal CA3 of hippocampus (dCA3), claustrum (Cl), ventral pallidum (VP), amygdala (Amy), and contralateral auditory cortex (Au). Some of, but not all, the ipsilateral brain regions mentioned above showed accompanying increases in c-fos expression with the most significant changes in the dDG. The number of FosB positive cells in the dDG, decreased in infarcted mice, was significantly increased after chronic EE treatment. Chemogenetic activation of dDG neurons reduced anxiety and depressive-like behaviors in infarcted mice, while neuronal inhibition resulted in void of the anxiolytic and antidepressant effects of EE. Altogether, these findings indicated that dDG neurons may mediate EE-triggered anxiolytic and antidepressant effects in cortical infarcted mice.
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Affiliation(s)
- Dan Huang
- Department of Rehabilitation Medicine, Huashan Hospital, Fundan University, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China; National Center for Neurological Disorders, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China
| | - Yunhui Fan
- Department of Rehabilitation Medicine, Huashan Hospital, Fundan University, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China; National Center for Neurological Disorders, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China
| | - Jingjun Zhang
- Department of Rehabilitation Medicine, The Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, No. 600 Yishan Road, Xu'hui District, Shanghai 200233, China
| | - Qianfeng Wang
- Zhangjiang Brain Imaging Center, Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, No. 1159 Cailun Road, Pudong New Area, Shanghai 200433, China
| | - Ming Ding
- Department of Rehabilitation Medicine, Huashan Hospital, Fundan University, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China; National Center for Neurological Disorders, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China; Behavioral and Cognitive Neuroscience Center, Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, No. 1159 Cailun Road, Pudong New Area, Shanghai 200433, China
| | - Ruiqing Hou
- Behavioral and Cognitive Neuroscience Center, Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, No. 1159 Cailun Road, Pudong New Area, Shanghai 200433, China
| | - Kewei Yu
- Department of Rehabilitation Medicine, Huashan Hospital, Fundan University, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China; National Center for Neurological Disorders, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China
| | - Xiao Xiao
- Behavioral and Cognitive Neuroscience Center, Institute of Science and Technology for Brain-Inspired Intelligence, Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence, MOE Frontiers Center for Brain Science, Fudan University, No. 1159 Cailun Road, Pudong New Area, Shanghai 200433, China; Department of Anesthesiology, Huashan Hospital, Fundan University, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China.
| | - Yi Wu
- Department of Rehabilitation Medicine, Huashan Hospital, Fundan University, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China; National Center for Neurological Disorders, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China.
| | - Junfa Wu
- Department of Rehabilitation Medicine, Huashan Hospital, Fundan University, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China; National Center for Neurological Disorders, No. 12 Middle Urumqi Road, Jing 'an District, Shanghai 200040, China.
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Zhou J, Zhang L, Peng J, Zhang X, Zhang F, Wu Y, Huang A, Du F, Liao Y, He Y, Xie Y, Gu L, Kuang C, Ou W, Xie M, Tu T, Pang J, Zhang D, Guo K, Feng Y, Yin S, Cao Y, Li T, Jiang Y. Astrocytic LRP1 enables mitochondria transfer to neurons and mitigates brain ischemic stroke by suppressing ARF1 lactylation. Cell Metab 2024:S1550-4131(24)00192-X. [PMID: 38906140 DOI: 10.1016/j.cmet.2024.05.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 09/11/2023] [Accepted: 05/23/2024] [Indexed: 06/23/2024]
Abstract
Low-density lipoprotein receptor-related protein-1 (LRP1) is an endocytic/signaling cell-surface receptor that regulates diverse cellular functions, including cell survival, differentiation, and proliferation. LRP1 has been previously implicated in the pathogenesis of neurodegenerative disorders, but there are inconsistencies in its functions. Therefore, whether and how LRP1 maintains brain homeostasis remains to be clarified. Here, we report that astrocytic LRP1 promotes astrocyte-to-neuron mitochondria transfer by reducing lactate production and ADP-ribosylation factor 1 (ARF1) lactylation. In astrocytes, LRP1 suppressed glucose uptake, glycolysis, and lactate production, leading to reduced lactylation of ARF1. Suppression of astrocytic LRP1 reduced mitochondria transfer into damaged neurons and worsened ischemia-reperfusion injury in a mouse model of ischemic stroke. Furthermore, we examined lactate levels in human patients with stroke. Cerebrospinal fluid (CSF) lactate was elevated in stroke patients and inversely correlated with astrocytic mitochondria. These findings reveal a protective role of LRP1 in brain ischemic stroke by enabling mitochondria-mediated astrocyte-neuron crosstalk.
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Affiliation(s)
- Jian Zhou
- Department of Neurosurgery, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China; Sichuan Clinical Research Center for Neurosurgery, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Lifang Zhang
- Department of Neurosurgery, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China; Sichuan Clinical Research Center for Neurosurgery, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Jianhua Peng
- Department of Neurosurgery, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China; Institute of Epigenetics and Brain Science, Southwest Medical University, Luzhou 646000, China; Academician (Expert) Workstation of Sichuan Province, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Xianhui Zhang
- Laboratory of Neurological Diseases and Brain Function, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Fan Zhang
- Department of Neurosurgery, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China; Sichuan Clinical Research Center for Neurosurgery, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Yuanyuan Wu
- Laboratory of Neurological Diseases and Brain Function, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - An Huang
- Laboratory of Neurological Diseases and Brain Function, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Fengling Du
- Department of Neonatology, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Yuyan Liao
- Department of Neurosurgery, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Yijing He
- Laboratory of Neurological Diseases and Brain Function, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Yuke Xie
- Laboratory of Neurological Diseases and Brain Function, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Long Gu
- Laboratory of Neurological Diseases and Brain Function, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Chenghao Kuang
- Laboratory of Neurological Diseases and Brain Function, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Wei Ou
- Department of Anesthesiology, Laboratory of Mitochondrial Metabolism and Perioperative Medicine, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Maodi Xie
- Department of Anesthesiology, Laboratory of Mitochondrial Metabolism and Perioperative Medicine, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Tianqi Tu
- Department of Neurosurgery, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Jinwei Pang
- Department of Neurosurgery, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Dingkun Zhang
- Laboratory of Clinical Proteomics and Metabolomics, Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Kecheng Guo
- Laboratory of Neurological Diseases and Brain Function, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Yue Feng
- Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Department of Nuclear Medicine, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Shigang Yin
- Institute of Epigenetics and Brain Science, Southwest Medical University, Luzhou 646000, China; Laboratory of Neurological Diseases and Brain Function, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Yang Cao
- Department of Cardiology, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China; School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230027, China.
| | - Tao Li
- Department of Anesthesiology, Laboratory of Mitochondrial Metabolism and Perioperative Medicine, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Yong Jiang
- Department of Neurosurgery, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China; Institute of Epigenetics and Brain Science, Southwest Medical University, Luzhou 646000, China; Laboratory of Neurological Diseases and Brain Function, the Affiliated Hospital, Southwest Medical University, Luzhou 646000, China.
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Lu Y, Lin Z, Li M, Zhuang Y, Nie B, Lei J, Zhao Y, Zhao H. Three-phase Enriched Environment Improves Post-stroke Gait Dysfunction via Facilitating Neuronal Plasticity in the Bilateral Sensorimotor Cortex: A Multimodal MRI/PET Analysis in Rats. Neurosci Bull 2024; 40:719-731. [PMID: 38055107 PMCID: PMC11178725 DOI: 10.1007/s12264-023-01155-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 08/22/2023] [Indexed: 12/07/2023] Open
Abstract
The three-phase Enriched Environment (EE) paradigm has been shown to promote post-stroke functional improvement, but the neuronal mechanisms are still unclear. In this study, we applied a multimodal neuroimaging protocol combining magnetic resonance imaging (MRI) and positron emission tomography (PET) to examine the effects of post-ischemic EE treatment on structural and functional neuroplasticity in the bilateral sensorimotor cortex. Rats were subjected to permanent middle cerebral artery occlusion. The motor function of the rats was examined using the DigiGait test. MRI was applied to investigate the EE-induced structural modifications of the bilateral sensorimotor cortex. [18F]-fluorodeoxyglucose PET was used to detect glucose metabolism. Blood oxygen level-dependent (BOLD)-functional MRI (fMRI) was used to identify the regional brain activity and functional connectivity (FC). In addition, the expression of neuroplasticity-related signaling pathways including neurotrophic factors (BDNF/CREB), axonal guidance proteins (Robo1/Slit2), and axonal growth-inhibitory proteins (NogoA/NgR) as well as downstream proteins (RhoA/ROCK) in the bilateral sensorimotor cortex were measured by Western blots. Our results showed the three-phase EE improved the walking ability. Structural T2 mapping imaging and diffusion tensor imaging demonstrated that EE benefited structure integrity in the bilateral sensorimotor cortex. PET-MRI fused images showed improved glucose metabolism in the corresponding regions after EE intervention. Specifically, the BOLD-based amplitude of low-frequency fluctuations showed that EE increased spontaneous activity in the bilateral motor cortex and ipsilateral sensory cortex. In addition, FC results showed increased sensorimotor connectivity in the ipsilateral hemisphere and increased interhemispheric motor cortical connectivity and motor cortical-thalamic connectivity following EE intervention. In addition, a strong correlation was found between increased functional connectivity and improved motor performance of limbs. Specifically, EE regulated the expression of neuroplasticity-related signaling, involving BDNF/CREB, Slit2/Robo1, as well as the axonal growth-inhibitory pathways Nogo-A/Nogo receptor and RhoA/ROCK in the bilateral sensorimotor cortex. Our results indicated that the three-phase enriched environment paradigm enhances neuronal plasticity of the bilateral sensorimotor cortex and consequently ameliorates post-stroke gait deficits. These findings might provide some new clues for the development of EE and thus facilitate the clinical translation of EE.
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Affiliation(s)
- Yun Lu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China
- Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China
| | - Ziyue Lin
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China
- Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China
| | - Mingcong Li
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China
- Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China
| | - Yuming Zhuang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China
- Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China
| | - Binbin Nie
- Beijing Engineering Research Center of Radiographic Techniques and Equipment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Jianfeng Lei
- Medical Imaging Laboratory of Core Facility Center, Capital Medical University, Beijing, 100069, China
| | - Yuanyuan Zhao
- Medical Imaging Laboratory of Core Facility Center, Capital Medical University, Beijing, 100069, China
| | - Hui Zhao
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China.
- Beijing Key Lab of TCM Collateral Disease Theory Research, Beijing, 100069, China.
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6
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Durán-Carabali LE, Odorcyk FK, Grun LK, Schmitz F, Ramires Junior OV, de Oliveria MR, Campos KF, Hoeper E, Carvalho AVS, Greggio S, Venturine GT, Zimmer ER, Barbé-Tuana F, Wyse ATS, Netto CA. Maternal environmental enrichment protects neonatal brains from hypoxic-ischemic challenge by mitigating brain energetic dysfunction and modulating glial cell responses. Exp Neurol 2024; 374:114713. [PMID: 38325654 DOI: 10.1016/j.expneurol.2024.114713] [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: 10/03/2023] [Revised: 01/31/2024] [Accepted: 02/03/2024] [Indexed: 02/09/2024]
Abstract
There is evidence that maternal milieu and changes in environmental factors during the prenatal period may exert a lasting impact on the brain health of the newborn, even in case of neonatal brain hypoxia-ischemia (HI). The present study aimed to investigate the effects of maternal environmental enrichment (EE) on HI-induced energetic and metabolic failure, along with subsequent neural cell responses in the early postnatal period. Male Wistar pups born to dams exposed to maternal EE or standard conditions (SC) were randomly divided into Sham-SC, HI-SC, Sham-EE, and HI-EE groups. Neonatal HI was induced on postnatal day (PND) 3. The Na+,K+-ATPase activity, mitochondrial function and neuroinflammatory related-proteins were assessed at 24 h and 48 h after HI. MicroPET-FDG scans were used to measure glucose uptake at three time points: 24 h post-HI, PND18, and PND24. Moreover, neuronal preservation and glial cell responses were evaluated at PND18. After HI, animals exposed to maternal EE showed an increase in Na+,K+-ATPase activity, preservation of mitochondrial potential/mass ratio, and a reduction in mitochondrial swelling. Glucose uptake was preserved in HI-EE animals from PND18 onwards. Maternal EE attenuated HI-induced cell degeneration, white matter injury, and reduced astrocyte immunofluorescence. Moreover, the HI-EE group exhibited elevated levels of IL-10 and a reduction in Iba-1 positive cells. Data suggested that the regulation of AKT/ERK1/2 signaling pathways could be involved in the effects of maternal EE. This study evidenced that antenatal environmental stimuli could promote bioenergetic and neural resilience in the offspring against early HI damage, supporting the translational value of pregnancy-focused environmental treatments.
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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
| | - L K Grun
- Group of Inflammation and Cellular Senescence, Graduate Program in Cellular and Molecular Biology, School of Sciences, Pontificia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - F Schmitz
- Graduate Program in Biological Sciences: Biochemistry, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Neuroprotection and Neurometabolic Diseases Laboratory (Wyse's Lab.), Brazil
| | - O V Ramires Junior
- Graduate Program in Biological Sciences: Biochemistry, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Neuroprotection and Neurometabolic Diseases Laboratory (Wyse's Lab.), Brazil
| | - M R de Oliveria
- Department of Morphology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - K F Campos
- Graduate Program in Biological Sciences: Physiology, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - E Hoeper
- Graduate Program in Biological Sciences: Neuroscience, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - A V S Carvalho
- Graduate Program in Biological Sciences: Biochemistry, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - S Greggio
- Undergraduate Program in Biomedicine, School of Health and Life Sciences, Pontificia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil; Preclinical Research Center, Brain Institute (BraIns) of Rio Grande do Sul, Porto Alegre, Brazil
| | - G T Venturine
- Preclinical Research Center, Brain Institute (BraIns) of Rio Grande do Sul, Porto Alegre, Brazil
| | - E R Zimmer
- Graduate Program in Biological Sciences: Pharmacology and Therapeutics, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Department of Pharmacology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - F Barbé-Tuana
- Group of Inflammation and Cellular Senescence, Graduate Program in Cellular and Molecular Biology, School of Sciences, Pontificia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - A T S Wyse
- Neuroprotection and Neurometabolic Diseases Laboratory (Wyse's Lab.), Brazil; Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - C A Netto
- Graduate Program in Biological Sciences: Physiology, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
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7
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Neves LT, Paz LV, Wieck A, Mestriner RG, de Miranda Monteiro VAC, Xavier LL. Environmental Enrichment in Stroke Research: an Update. Transl Stroke Res 2024; 15:339-351. [PMID: 36717476 DOI: 10.1007/s12975-023-01132-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 01/25/2023] [Accepted: 01/25/2023] [Indexed: 02/01/2023]
Abstract
Environmental enrichment (EE) refers to different forms of stimulation, where the environment is designed to improve the levels of sensory, cognitive, and motor stimuli, inducing stroke recovery in animal models. Stroke is a leading cause of mortality and neurological disability among older adults, hence the importance of developing strategies to improve recovery for such patients. This review provides an update on recent findings, compiling information regarding the parameters affected by EE exposure in both preclinical and clinical studies. During stroke recovery, EE exposure has been shown to improve both the cognitive and locomotor aspects, inducing important neuroplastic alterations, increased angiogenesis and neurogenesis, and modified gene expression, among other effects. There is a need for further research in this field, particularly in those aspects where the evidence is inconclusive. Moreover, it is necessary refine and adapt the EE paradigms for application in human patients.
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Affiliation(s)
- Laura Tartari Neves
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil
| | - Lisiê Valéria Paz
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil
| | - Andréa Wieck
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil
- Brain Institute of Rio Grande do Sul (BraIns), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Av. Ipiranga, 6690 - Jardim Botânico, Porto Alegre, RS, 90610-000, Brazil
| | - Régis Gemerasca Mestriner
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil
| | - Valentina Aguiar Cardozo de Miranda Monteiro
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil
| | - Léder Leal Xavier
- Programa de Pós-Graduação Em Biologia Celular E Molecular, Laboratório deBiologiaCelular ETecidual, Pontifical Catholic University of Rio Grande Do Sul, PUCRS. Escola de Ciências da Saúde E da Vida, Av. Ipiranga 6681, Prédio 12C, Sala 104, Porto Alegre, Rio Grande Do Sul, CEP, 90619-900, Brazil.
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8
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Lu Y, Li M, Zhuang Y, Lin Z, Nie B, Lei J, Zhao Y, Zhao H. Combination of fMRI and PET reveals the beneficial effect of three-phase enriched environment on post-stroke memory deficits by enhancing plasticity of brain connectivity between hippocampus and peri-hippocampal cortex. CNS Neurosci Ther 2024; 30:e14466. [PMID: 37752881 PMCID: PMC10916434 DOI: 10.1111/cns.14466] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 08/16/2023] [Accepted: 08/25/2023] [Indexed: 09/28/2023] Open
Abstract
AIM The three-phase enriched environment (EE) intervention paradigm has been shown to improve learning and memory function after cerebral ischemia, but the neuronal mechanisms are still unclear. This study aimed to investigate the hippocampal-cortical connectivity and the metabolic interactions between neurons and astrocytes to elucidate the underlying mechanisms of EE-induced memory improvement after stroke. METHODS Rats were subjected to permanent middle cerebral artery occlusion (pMCAO) or sham surgery and housed in standard environment or EE for 30 days. Memory function was examined by Morris water maze (MWM) test. Magnetic resonance imaging (MRI) was conducted to detect the structural and functional changes. [18 F]-fluorodeoxyglucose (FDG) positron emission tomography (PET) was conducted to detect brain energy metabolism. PET-based brain connectivity and network analysis was performed to study the changes of hippocampal-cortical connectivity. Astrocyte-neuron metabolic coupling, including gap junction protein connexin 43 (Cx43), glucose transporters (GLUTs), and monocarboxylate transporters (MCTs), was detected by histological studies. RESULTS Our results showed EE promoted memory function improvement, protected structure integrity, and benefited energy metabolism after stroke. More importantly, EE intervention significantly increased functional connectivity between the hippocampus and peri-hippocampal cortical regions, and specifically regulated the level of Cx43, GLUTs and MCTs in the hippocampus and cortex. CONCLUSIONS Our results revealed the three-phase enriched environment paradigm enhanced hippocampal-cortical connectivity plasticity and ameliorated post-stroke memory deficits. These findings might provide some new clues for the development of EE and thus facilitate the clinical transformation of EE.
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Affiliation(s)
- Yun Lu
- School of Traditional Chinese MedicineCapital Medical UniversityBeijingChina
- Beijing Key Lab of TCM Collateral Disease Theory ResearchBeijingChina
| | - Mingcong Li
- School of Traditional Chinese MedicineCapital Medical UniversityBeijingChina
- Beijing Key Lab of TCM Collateral Disease Theory ResearchBeijingChina
| | - Yuming Zhuang
- School of Traditional Chinese MedicineCapital Medical UniversityBeijingChina
- Beijing Key Lab of TCM Collateral Disease Theory ResearchBeijingChina
| | - Ziyue Lin
- School of Traditional Chinese MedicineCapital Medical UniversityBeijingChina
- Beijing Key Lab of TCM Collateral Disease Theory ResearchBeijingChina
| | - Binbin Nie
- Beijing Engineering Research Center of Radiographic Techniques and Equipment, Institute of High Energy PhysicsChinese Academy of SciencesBeijingChina
| | - Jianfeng Lei
- Core Facilities CenterCapital Medical UniversityBeijingChina
| | - Yuanyuan Zhao
- Core Facilities CenterCapital Medical UniversityBeijingChina
| | - Hui Zhao
- School of Traditional Chinese MedicineCapital Medical UniversityBeijingChina
- Beijing Key Lab of TCM Collateral Disease Theory ResearchBeijingChina
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9
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Chen H, Zhan L, Li Q, Meng C, Quan X, Chen X, Hao Z, Li J, Gao Y, Li H, Jia X, Li M, Liang Z. Frequency specific alterations of the degree centrality in patients with acute basal ganglia ischemic stroke: a resting-state fMRI study. Brain Imaging Behav 2024; 18:19-33. [PMID: 37821673 PMCID: PMC10844151 DOI: 10.1007/s11682-023-00806-1] [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] [Accepted: 09/14/2023] [Indexed: 10/13/2023]
Abstract
This study intended to investigate the frequency specific brain oscillation activity in patients with acute basal ganglia ischemic stroke (BGIS) by using the degree centrality (DC) method. A total of 34 acute BGIS patients and 44 healthy controls (HCs) underwent resting-state functional magnetic resonance imaging (rs-fMRI) scanning. The DC values in three frequency bands (conventional band: 0.01-0.08 Hz, slow‑4 band: 0.027-0.073 Hz, slow‑5 band: 0.01-0.027 Hz) were calculated. A two-sample t-test was used to explore the between-group differences in the conventional frequency band. A two-way repeated-measures analysis of variance (ANOVA) was used to analyze the DC differences between groups (BGIS patients, HCs) and bands (slow‑4, slow‑5). Moreover, correlations between DC values and clinical indicators were performed. In conventional band, the DC value in the right middle temporal gyrus was decreased in BGIS patients compared with HCs. Significant differences of DC were observed between the two bands mainly in the bilateral cortical brain regions. Compared with the HCs, the BGIS patients showed increased DC in the right superior temporal gyrus and the left precuneus, but decreased mainly in the right inferior temporal gyrus, right inferior occipital gyrus, right precentral, and right supplementary motor area. Furthermore, the decreased DC in the right rolandic operculum in slow-4 band and the right superior temporal gyrus in slow-5 band were found by post hoc two-sample t-test of main effect of group. There was no significant correlation between DC values and clinical scales after Bonferroni correction. Our findings showed that the DC changes in BGIS patients were frequency specific. Functional abnormalities in local brain regions may help us to understand the underlying pathogenesis mechanism of brain functional reorganization of BGIS patients.
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Affiliation(s)
- Hao Chen
- Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Linlin Zhan
- Faculty of Western Languages, Heilongjiang University, Heilongjiang, China
| | - Qianqian Li
- Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Chaoguo Meng
- Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xuemei Quan
- Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Department of Neurology, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Xiaoling Chen
- Department of Radiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zeqi Hao
- School of Teacher Education, Zhejiang Normal University, Jinhua, China
- Key Laboratory of Intelligent Education Technology and Application of Zhejiang Province, Zhejiang Normal University, Jinhua, China
| | - Jing Li
- School of Teacher Education, Zhejiang Normal University, Jinhua, China
- Key Laboratory of Intelligent Education Technology and Application of Zhejiang Province, Zhejiang Normal University, Jinhua, China
| | - Yanyan Gao
- School of Teacher Education, Zhejiang Normal University, Jinhua, China
- Key Laboratory of Intelligent Education Technology and Application of Zhejiang Province, Zhejiang Normal University, Jinhua, China
| | - Huayun Li
- School of Teacher Education, Zhejiang Normal University, Jinhua, China
- Key Laboratory of Intelligent Education Technology and Application of Zhejiang Province, Zhejiang Normal University, Jinhua, China
| | - Xize Jia
- School of Teacher Education, Zhejiang Normal University, Jinhua, China
- Key Laboratory of Intelligent Education Technology and Application of Zhejiang Province, Zhejiang Normal University, Jinhua, China
| | - Mengting Li
- School of Teacher Education, Zhejiang Normal University, Jinhua, China.
- Key Laboratory of Intelligent Education Technology and Application of Zhejiang Province, Zhejiang Normal University, Jinhua, China.
| | - Zhijian Liang
- Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.
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10
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Li Y, Lu J, Zhang J, Gui W, Xie W. Molecular insights into enriched environments and behavioral improvements in autism: a systematic review and meta-analysis. Front Psychiatry 2024; 15:1328240. [PMID: 38362032 PMCID: PMC10867156 DOI: 10.3389/fpsyt.2024.1328240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 01/09/2024] [Indexed: 02/17/2024] Open
Abstract
Aims Autism is a multifaceted developmental disorder of the nervous system, that necessitates novel therapeutic approaches beyond traditional medications and psychosomatic therapy, such as appropriate sensory integration training. This systematic mapping review aims to synthesize existing knowledge on enriching environmental interventions as an alternative avenue for improving autism, guiding future research and practice. Method A comprehensive search using the terms ASD and Enriched Environment was conducted across PubMed, EMBASE, ISI, Cochrane, and OVID databases. Most of the literature included in this review was derived from animal model experiments, with a particular focus on assessing the effect of EE on autism-like behavior, along with related pathways and molecular mechanisms. Following extensive group discussion and screening, a total of 19 studies were included for analysis. Results Enriched environmental interventions exhibited the potential to induce both behavioral and biochemical changes, ameliorating autism-like behaviors in animal models. These improvements were attributed to the targeting of BDNF-related pathways, enhanced neurogenesis, and the regulation of glial inflammation. Conclusion This paper underscores the positive impact of enriched environmental interventions on autism through a review of existing literature. The findings contribute to a deeper understanding of the underlying brain mechanisms associated with this intervention.
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Affiliation(s)
- Yutong Li
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Jing Lu
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Jing Zhang
- Department of Sports Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Wenxin Gui
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Weijie Xie
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
- Clinical Research Center for Mental Disorders, Shanghai Pudong New Area Mental Health Center, Tongji University School of Medicine, Shanghai, China
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11
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Nie L, He J, Wang J, Wang R, Huang L, Jia L, Kim YT, Bhawal UK, Fan X, Zille M, Jiang C, Chen X, Wang J. Environmental Enrichment for Stroke and Traumatic Brain Injury: Mechanisms and Translational Implications. Compr Physiol 2023; 14:5291-5323. [PMID: 38158368 DOI: 10.1002/cphy.c230007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Acquired brain injuries, such as ischemic stroke, intracerebral hemorrhage (ICH), and traumatic brain injury (TBI), can cause severe neurologic damage and even death. Unfortunately, currently, there are no effective and safe treatments to reduce the high disability and mortality rates associated with these brain injuries. However, environmental enrichment (EE) is an emerging approach to treating and rehabilitating acquired brain injuries by promoting motor, sensory, and social stimulation. Multiple preclinical studies have shown that EE benefits functional recovery, including improved motor and cognitive function and psychological benefits mediated by complex protective signaling pathways. This article provides an overview of the enriched environment protocols used in animal models of ischemic stroke, ICH, and TBI, as well as relevant clinical studies, with a particular focus on ischemic stroke. Additionally, we explored studies of animals with stroke and TBI exposed to EE alone or in combination with multiple drugs and other rehabilitation modalities. Finally, we discuss the potential clinical applications of EE in future brain rehabilitation therapy and the molecular and cellular changes caused by EE in rodents with stroke or TBI. This article aims to advance preclinical and clinical research on EE rehabilitation therapy for acquired brain injury. © 2024 American Physiological Society. Compr Physiol 14:5291-5323, 2024.
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Affiliation(s)
- Luwei Nie
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinxin He
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Key Laboratory for Brain Science Research and Transformation in the Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Ruike Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Leo Huang
- Department of Psychology, University of Toronto, Toronto, Ontario, Canada
| | - Lin Jia
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yun Tai Kim
- Division of Functional Food Research, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
- Department of Food Biotechnology, Korea University of Science & Technology, Daejeon, Republic of Korea
| | - Ujjal K Bhawal
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Chiba, Japan
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
| | - Xiaochong Fan
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Marietta Zille
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Vienna, Austria
| | - Chao Jiang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Xuemei Chen
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jian Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
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12
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Bozkurt S, Lannin NA, Mychasiuk R, Semple BD. Environmental modifications to rehabilitate social behavior deficits after acquired brain injury: What is the evidence? Neurosci Biobehav Rev 2023; 152:105278. [PMID: 37295762 DOI: 10.1016/j.neubiorev.2023.105278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 04/22/2023] [Accepted: 05/20/2023] [Indexed: 06/12/2023]
Abstract
Social behavior deficits are a common, debilitating consequence of traumatic brain injury and stroke, particularly when sustained during childhood. Numerous factors influence the manifestation of social problems after acquired brain injuries, raising the question of whether environmental manipulations can minimize or prevent such deficits. Here, we examine both clinical and preclinical evidence addressing this question, with a particular focus on environmental enrichment paradigms and differing housing conditions. We aimed to understand whether environmental manipulations can ameliorate injury-induced social behavior deficits. In summary, promising data from experimental models supports a beneficial role of environmental enrichment on social behavior. However, limited studies have considered social outcomes in the chronic setting, and few studies have addressed the social context specifically as an important component of the post-injury environment. Clinically, limited high-caliber evidence supports the use of specific interventions for social deficits after acquired brain injuries. An improved understanding of how the post-injury environment interacts with the injured brain, particularly during development, is needed to validate the implementation of rehabilitative interventions that involve manipulating an individuals' environment.
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Affiliation(s)
- Salome Bozkurt
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Natasha A Lannin
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia; Alfred Health, Melbourne, VIC, Australia; School of Allied Health (Occupational Therapy), La Trobe University, Melbourne, Australia
| | - Richelle Mychasiuk
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia; Alfred Health, Melbourne, VIC, Australia
| | - Bridgette D Semple
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia; Alfred Health, Melbourne, VIC, Australia; Department of Medicine (Royal Melbourne Hospital), The University of Melbourne, Parkville, VIC, Australia.
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13
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Li F, Ichinose K, Ishibashi S, Yamamoto S, Iwasawa E, Suzuki M, Yoshida-Tanaka K, Yoshioka K, Nagata T, Hirabayashi H, Mogushi K, Yokota T. Preferential delivery of lipid-ligand conjugated DNA/RNA heteroduplex oligonucleotide to ischemic brain in hyperacute stage. Mol Ther 2023; 31:1106-1122. [PMID: 36694463 PMCID: PMC10124084 DOI: 10.1016/j.ymthe.2023.01.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 11/21/2022] [Accepted: 01/19/2023] [Indexed: 01/25/2023] Open
Abstract
Antisense oligonucleotide (ASO) is a major tool used for silencing pathogenic genes. For stroke in the hyperacute stage, however, the ability of ASO to regulate genes is limited by its poor delivery to the ischemic brain owing to sudden occlusion of the supplying artery. Here we show that, in a mouse model of permanent ischemic stroke, lipid-ligand conjugated DNA/RNA heteroduplex oligonucleotide (lipid-HDO) was unexpectedly delivered 9.6 times more efficiently to the ischemic area of the brain than to the contralateral non-ischemic brain and achieved robust gene knockdown and change of stroke phenotype, despite a 90% decrease in cerebral blood flow in the 3 h after occlusion. This delivery to neurons was mediated via receptor-mediated transcytosis by lipoprotein receptors in brain endothelial cells, the expression of which was significantly upregulated after ischemia. This study provides proof-of-concept that lipid-HDO is a promising gene-silencing technology for stroke treatment in the hyperacute stage.
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Affiliation(s)
- Fuying Li
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan; Department of Pathology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Clinical Pathology, Shandong Lung Cancer Institute, Shandong Institute of Nephrology, Jinan, China
| | - Keiko Ichinose
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Satoru Ishibashi
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan; Department of Internal Medicine, Fukaya Red Cross Hospital, Saitama, Japan
| | - Syunsuke Yamamoto
- Drug Metabolism and Pharmacokinetics Research Laboratories, Takeda Pharmaceutical Company Limited, Fujisawa, Kanagawa, Japan
| | - Eri Iwasawa
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Motohiro Suzuki
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kie Yoshida-Tanaka
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan; Center for Brain Integration Research, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kotaro Yoshioka
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan; Center for Brain Integration Research, Tokyo Medical and Dental University, Tokyo, Japan
| | - Tetsuya Nagata
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan; Center for Brain Integration Research, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hideki Hirabayashi
- Drug Metabolism and Pharmacokinetics Research Laboratories, Takeda Pharmaceutical Company Limited, Fujisawa, Kanagawa, Japan
| | - Kaoru Mogushi
- Innovative Human Resource Development Division, Institute of Education, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takanori Yokota
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan; Center for Brain Integration Research, Tokyo Medical and Dental University, Tokyo, Japan.
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14
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Zhang S, Zhang Y, Liu H, Wu F, Wang Z, Li L, Huang H, Qiu S, Li Y. Enriched environment remodels the central immune environment and improves the prognosis of acute ischemic stroke in elderly mice with chronic ischemia. Front Immunol 2023; 14:1114596. [PMID: 36969204 PMCID: PMC10033834 DOI: 10.3389/fimmu.2023.1114596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 02/24/2023] [Indexed: 03/11/2023] Open
Abstract
With the aging of many populations, cognitive and motor dysfunction caused by ischemic stroke (IS) secondary to long-term chronic cerebral ischemia presents a global problem. Enriched environment (EE), a classic paradigm of environment response and genetic interaction, has shown tremendous influence on the brain. This research aimed to investigate the potential effect of EE on cognitive and motor function in mice with chronic cerebral ischemia and secondary IS. In the chronic cerebral hypoperfusion (CCH) phase, EE treatment improved behavior performance by alleviating neuronal loss and white matter myelin damage, promoting the expression of brain-derived neurotrophic factor (BDNF) and phosphor-cAMP response element binding protein (p-CREB). Furthermore, infiltration of microglia/macrophages and astrocytes was inhibited, and the levels of IL-1β and TNFα were decreased. In the IS phase, EE altered the neuronal outcome on day 21 but not on day one after IS. In addition, EE inhibited IS-induced infiltration of microglia/macrophages and astrocytes, mediated the polarization of microglia/macrophages, and reduced pro-inflammatory factors. Importantly, EE improved IS-induced cognitive and motor deficits on day 21. Collectively, our work demonstrates that EE protects mice from cognitive and motor dysfunction and inhibits neuroinflammation caused by CCH and IS.
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Affiliation(s)
- Shehong Zhang
- Department of Rehabilitation Medicine, Department of Neurosurgery, Huzhou Central Hospital, Affiliated Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, China
- Huzhou Key Laboratory of Basic Research and Clinical Translation for Neuromodulation, Huzhou, China
| | - Yonggang Zhang
- Huzhou Key Laboratory of Basic Research and Clinical Translation for Neuromodulation, Huzhou, China
- Department of Neurosurgery, Huzhou Central Hospital, Affiliated Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, China
| | - He Liu
- Huzhou Key Laboratory of Basic Research and Clinical Translation for Neuromodulation, Huzhou, China
- Department of Neurosurgery, Huzhou Central Hospital, Affiliated Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, China
| | - Fengfeng Wu
- Department of Rehabilitation Medicine, Department of Neurosurgery, Huzhou Central Hospital, Affiliated Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, China
| | - Zhihong Wang
- Huzhou Key Laboratory of Basic Research and Clinical Translation for Neuromodulation, Huzhou, China
| | - Liqin Li
- Huzhou Key Laboratory of Basic Research and Clinical Translation for Neuromodulation, Huzhou, China
- Department of Neurosurgery, Huzhou Central Hospital, Affiliated Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, China
| | - Huilian Huang
- Huzhou Key Laboratory of Basic Research and Clinical Translation for Neuromodulation, Huzhou, China
- Department of Neurosurgery, Huzhou Central Hospital, Affiliated Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, China
| | - Sheng Qiu
- Huzhou Key Laboratory of Basic Research and Clinical Translation for Neuromodulation, Huzhou, China
- *Correspondence: Sheng Qiu, ; Yuntao Li,
| | - Yuntao Li
- Huzhou Key Laboratory of Basic Research and Clinical Translation for Neuromodulation, Huzhou, China
- Department of Neurosurgery, Huzhou Central Hospital, Affiliated Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, China
- *Correspondence: Sheng Qiu, ; Yuntao Li,
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15
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Gualou Guizhi Decoction Improves Glucose Metabolism and Alleviates Microglia-Associated Inflammation after Cerebral Ischemia. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:9438250. [PMID: 36317102 PMCID: PMC9617704 DOI: 10.1155/2022/9438250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 09/24/2022] [Indexed: 11/06/2022]
Abstract
Background The classical prescription Gualou Guizhi decoction (GL), a mixture of Radix Trichosanthis, Ramulus Cinnamomi, Radix Paeoniae Alba, Radix Glycyrrhizae, Zingiberis Rhizoma Recens, and Fructus Ziziphus Jujuba, was clinically used in the treatment of limb spasms after stroke and has achieved remarkable therapeutic effects. However, the underlying mechanism still needs to be further explored. Methods Cerebral ischemia/reperfusion (CI/R) in Sprague-Dawley rats was induced by middle cerebral artery occlusion followed by filament removal. GL was intragastrically administered once daily for 7 or 14 consecutive days. The effect of GL on neurobehavioral impairment was evaluated. 18F-FDG micro-PET imaging was used to detect the effects of GL on glucose utilization in neural cells after CI/R. Immunohistochemical staining of glucose transporter 1 (Glut-1), glial fibrillary acidic protein (GFAP), and ionized calcium-binding adaptor molecule-1 (Iba-1) was further performed to show the effects of GL on cerebral glucose transport and the activation of inflammatory-related glial cells. Markers related to the microglial subtype were also assessed to investigate the effects of GL on microglia polarization. Results Neurological deficits induced by CI/R were significantly improved by GL administration. GL restored the glucose uptake in the ischemic hemisphere. Glut-1, the major glucose transporter in the brain, was significantly increased after GL treatment. Moreover, GL mitigated the activation of astrocytes and microglia after CI/R. Furthermore, GL significantly decreased proinflammatory M1-type microglial markers TNF-α and iNOS, while increasing anti-inflammatory M2 microglial markers CD206 and Arg-1. Conclusion GL enhanced the uptake and utilization of glucose in neural cells after CI/R. It exerted significant anti-inflammatory effects by regulating the polarization of microglia. These results provided further evidence supporting the clinical application of GL in the treatment of cerebral ischemic stroke.
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High-resolution micro-CT for 3D infarct characterization and segmentation in mice stroke models. Sci Rep 2022; 12:17471. [PMID: 36261475 PMCID: PMC9582034 DOI: 10.1038/s41598-022-21494-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 09/28/2022] [Indexed: 01/12/2023] Open
Abstract
Characterization of brain infarct lesions in rodent models of stroke is crucial to assess stroke pathophysiology and therapy outcome. Until recently, the analysis of brain lesions was performed using two techniques: (1) histological methods, such as TTC (Triphenyltetrazolium chloride), a time-consuming and inaccurate process; or (2) MRI imaging, a faster, 3D imaging method, that comes at a high cost. In the last decade, high-resolution micro-CT for 3D sample analysis turned into a simple, fast, and cheaper solution. Here, we successfully describe the application of brain contrasting agents (Osmium tetroxide and inorganic iodine) for high-resolution micro-CT imaging for fine location and quantification of ischemic lesion and edema in mouse preclinical stroke models. We used the intraluminal transient MCAO (Middle Cerebral Artery Occlusion) mouse stroke model to identify and quantify ischemic lesion and edema, and segment core and penumbra regions at different time points after ischemia, by manual and automatic methods. In the transient-ischemic-attack (TIA) mouse model, we can quantify striatal myelinated fibers degeneration. Of note, whole brain 3D reconstructions allow brain atlas co-registration, to identify the affected brain areas, and correlate them with functional impairment. This methodology proves to be a breakthrough in the field, by providing a precise and detailed assessment of stroke outcomes in preclinical animal studies.
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An J, Zhao L, Duan R, Sun K, Lu W, Yang J, Liang Y, Liu J, Zhang Z, Li L, Shi J. Potential nanotherapeutic strategies for perioperative stroke. CNS Neurosci Ther 2022; 28:510-520. [PMID: 35243774 PMCID: PMC8928924 DOI: 10.1111/cns.13819] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 01/24/2022] [Accepted: 02/04/2022] [Indexed: 12/12/2022] Open
Abstract
AIMS Based on the complex pathological environment of perioperative stroke, the development of targeted therapeutic strategies is important to control the development of perioperative stroke. DISCUSSIONS Recently, great progress has been made in nanotechnology, and nanodrug delivery systems have been developed for the treatment of ischemic stroke. CONCLUSION In this review, the pathological processes and mechanisms of ischemic stroke during perioperative stroke onset were systematically sorted. As a potential treatment strategy for perioperative stroke, the review also summarizes the multifunctional nanodelivery systems based on ischemic stroke, thus providing insight into the nanotherapeutic strategies for perioperative stroke.
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Affiliation(s)
- Jingyi An
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China.,Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou, China.,Key Laboratories of the Ministry of Education, Zhengzhou University, Zhengzhou, China
| | - Ling Zhao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Ranran Duan
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ke Sun
- Department of Urinary Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Wenxin Lu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Jiali Yang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Yan Liang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Junjie Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China.,Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou, China.,Key Laboratories of the Ministry of Education, Zhengzhou University, Zhengzhou, China
| | - Zhenzhong Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China.,Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou, China.,Key Laboratories of the Ministry of Education, Zhengzhou University, Zhengzhou, China
| | - Li Li
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Jinjin Shi
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China.,Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou, China.,Key Laboratories of the Ministry of Education, Zhengzhou University, Zhengzhou, China
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Song A, Cho GW, Vijayakumar KA, Moon C, Ang MJ, Kim J, Park I, Jang CH. Neuroprotective Effect of Valproic Acid on Salicylate-Induced Tinnitus. Int J Mol Sci 2021; 23:ijms23010023. [PMID: 35008469 PMCID: PMC8744959 DOI: 10.3390/ijms23010023] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/09/2021] [Accepted: 12/16/2021] [Indexed: 11/23/2022] Open
Abstract
High-dose salicylate induces temporary moderate hearing loss and the perception of a high-pitched tinnitus in humans and animals. Previous studies demonstrated that high doses of salicylate increase N-methyl-d-aspartate (NMDA) receptor levels, resulting in a rise in Ca2+ influx and induction of excitotoxicity. Glutamate excitotoxicity is associated with failure in the maintenance of calcium homeostasis, mitochondrial dysfunction, and production of reactive oxygen species (ROS). Valproic acid (VPA) is widely used for the management of bipolar disorder, epilepsy, and migraine headaches, and is known to regulate NMDA receptor activity. In this study, we examined the beneficial effects of VPA in a salicylate-induced tinnitus model in vitro and in vivo. Cells were pretreated with VPA followed by salicylate treatment. The expression levels of NMDA receptor subunit NR2B, phosphorylated cAMP response element-binding protein—an apoptosis marker, and intracellular levels of ROS were measured using several biochemical techniques. We observed increased expression of NR2B and its related genes TNFα and ARC, increased intracellular ROS levels, and induced expression of cleaved caspase-3. These salicylate-induced changes were attenuated in the neuronal cell line SH-SY5Y and rat cortical neurons after VPA pretreatment. Together, these results provide evidence of the beneficial effects of VPA in a salicylate-induced temporary hearing loss and tinnitus model.
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Affiliation(s)
- Anji Song
- Department of Biology, College of Natural Science, Chosun University, Gwangju 61452, Korea; (A.S.); (G.-W.C.); (K.A.V.)
- BK21 FOUR Education Research Group for Age-Associated Disorder Control Technology, Department of Integrative Biological Science, Chosun University, Gwangju 61452, Korea
| | - Gwang-Won Cho
- Department of Biology, College of Natural Science, Chosun University, Gwangju 61452, Korea; (A.S.); (G.-W.C.); (K.A.V.)
- BK21 FOUR Education Research Group for Age-Associated Disorder Control Technology, Department of Integrative Biological Science, Chosun University, Gwangju 61452, Korea
| | - Karthikeyan A. Vijayakumar
- Department of Biology, College of Natural Science, Chosun University, Gwangju 61452, Korea; (A.S.); (G.-W.C.); (K.A.V.)
- BK21 FOUR Education Research Group for Age-Associated Disorder Control Technology, Department of Integrative Biological Science, Chosun University, Gwangju 61452, Korea
| | - Changjong Moon
- Department of Veterinary Anatomy, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju 61186, Korea;
- Correspondence: (C.M.); (C.H.J.); Tel.: +82-62-220-6774 (C.H.J.)
| | - Mary Jasmin Ang
- Department of Veterinary Anatomy, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju 61186, Korea;
| | - Jahae Kim
- Department of Nuclear Medicine, Chonnam National University Hospital, Gwangju 61469, Korea;
| | - Ilyong Park
- Department of Biomedical Engineering, School of Medicine, Dankook University, Cheonan 31116, Korea;
| | - Chul Ho Jang
- Department of Otolaryngology, Chonnam National University Medical School, Gwangju 61469, Korea
- Correspondence: (C.M.); (C.H.J.); Tel.: +82-62-220-6774 (C.H.J.)
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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.
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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.
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Prospects of Therapeutic Target and Directions for Ischemic Stroke. Pharmaceuticals (Basel) 2021; 14:ph14040321. [PMID: 33916253 PMCID: PMC8065883 DOI: 10.3390/ph14040321] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/26/2021] [Accepted: 03/28/2021] [Indexed: 12/12/2022] Open
Abstract
Stroke is a serious, adverse neurological event and the third leading cause of death and disability worldwide. Most strokes are caused by a block in cerebral blood flow, resulting in neurological deficits through the death of brain tissue. Recombinant tissue plasminogen activator (rt-PA) is currently the only immediate treatment medication for stroke. The goal of rt-PA administration is to reduce the thrombus and/or embolism via thrombolysis; however, the administration of rt-PA must occur within a very short therapeutic timeframe (3 h to 6 h) after symptom onset. Components of the pathological mechanisms involved in ischemic stroke can be used as potential biomarkers in current treatment. However, none are currently under investigation in clinical trials; thus, further studies investigating biomarkers are needed. After ischemic stroke, microglial cells can be activated and release inflammatory cytokines. These cytokines lead to severe neurotoxicity via the overactivation of microglia in prolonged and lasting insults such as stroke. Thus, the balanced regulation of microglial activation may be necessary for therapy. Stem cell therapy is a promising clinical treatment strategy for ischemic stroke. Stem cells can increase the functional recovery of damaged tissue after post-ischemic stroke through various mechanisms including the secretion of neurotrophic factors, immunomodulation, the stimulation of endogenous neurogenesis, and neovascularization. To investigate the use of stem cell therapy for neurological diseases in preclinical studies, however, it is important to develop imaging technologies that are able to evaluate disease progression and to “chase” (i.e., track or monitor) transplanted stem cells in recipients. Imaging technology development is rapidly advancing, and more sensitive techniques, such as the invasive and non-invasive multimodal techniques, are under development. Here, we summarize the potential risk factors and biomarker treatment strategies, stem cell-based therapy and emerging multimodal imaging techniques in the context of stroke. This current review provides a conceptual framework for considering the therapeutic targets and directions for the treatment of brain dysfunctions, with a particular focus on ischemic stroke.
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