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Tian X, Russo SJ, Li L. Behavioral Animal Models and Neural-Circuit Framework of Depressive Disorder. Neurosci Bull 2024:10.1007/s12264-024-01270-7. [PMID: 39120643 DOI: 10.1007/s12264-024-01270-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 04/26/2024] [Indexed: 08/10/2024] Open
Abstract
Depressive disorder is a chronic, recurring, and potentially life-endangering neuropsychiatric disease. According to a report by the World Health Organization, the global population suffering from depression is experiencing a significant annual increase. Despite its prevalence and considerable impact on people, little is known about its pathogenesis. One major reason is the scarcity of reliable animal models due to the absence of consensus on the pathology and etiology of depression. Furthermore, the neural circuit mechanism of depression induced by various factors is particularly complex. Considering the variability in depressive behavior patterns and neurobiological mechanisms among different animal models of depression, a comparison between the neural circuits of depression induced by various factors is essential for its treatment. In this review, we mainly summarize the most widely used behavioral animal models and neural circuits under different triggers of depression, aiming to provide a theoretical basis for depression prevention.
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Affiliation(s)
- Xiangyun Tian
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
- University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Scott J Russo
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
| | - Long Li
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.
- University of the Chinese Academy of Sciences, Beijing, 100049, China.
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Sałaciak K, Koszałka A, Lustyk K, Żmudzka E, Jagielska A, Pytka K. Memory impairments in rodent depression models: A link with depression theories. Prog Neuropsychopharmacol Biol Psychiatry 2023; 125:110774. [PMID: 37088171 DOI: 10.1016/j.pnpbp.2023.110774] [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: 01/13/2023] [Revised: 04/11/2023] [Accepted: 04/20/2023] [Indexed: 04/25/2023]
Abstract
More than 80% of depressed patients struggle with learning new tasks, remembering positive events, or concentrating on a single topic. These neurocognitive deficits accompanying depression may be linked to functional and structural changes in the prefrontal cortex and hippocampus. However, their mechanisms are not yet completely understood. We conducted a narrative review of articles regarding animal studies to assess the state of knowledge. First, we argue the contribution of changes in neurotransmitters and hormone levels in the pathomechanism of cognitive dysfunction in animal depression models. Then, we used numerous neuroinflammation studies to explore its possible implication in cognitive decline. Encouragingly, we also observed a positive correlation between increased oxidative stress and a depressive-like state with concomitant memory deficits. Finally, we discuss the undeniable role of neurotrophin deficits in developing cognitive decline in animal models of depression. This review reveals the complexity of depression-related memory impairments and highlights the potential clinical importance of gathered findings for developing more reliable animal models and designing novel antidepressants with procognitive properties.
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Affiliation(s)
- Kinga Sałaciak
- Department of Pharmacodynamics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, Krakow 30-688, Poland
| | - Aleksandra Koszałka
- Department of Pharmacodynamics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, Krakow 30-688, Poland
| | - Klaudia Lustyk
- Department of Pharmacodynamics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, Krakow 30-688, Poland
| | - Elżbieta Żmudzka
- Department of Social Pharmacy, Faculty of Pharmacy, Jagiellonian University Medical College Medyczna, 9 Street, Kraków 30-688, Poland
| | - Angelika Jagielska
- Department of Pharmacodynamics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, Krakow 30-688, Poland
| | - Karolina Pytka
- Department of Pharmacodynamics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, Krakow 30-688, Poland.
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Flores AE, Pascotini ET, Kegler A, Broetto N, Gabbi P, Duarte T, Prado ALC, Duarte MMMF, da Cruz IBM, Dos Santos ARS, Royes LFF, Fighera MR. Worst spasticity in patients post-stroke associated with MNSOD ALA16VAL polymorphism and interleukin-1β. Gene X 2022; 847:146880. [PMID: 36100117 DOI: 10.1016/j.gene.2022.146880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 08/23/2022] [Accepted: 09/05/2022] [Indexed: 11/04/2022] Open
Abstract
The MnSOD Ala16Val single nucleotide polymorphism (SNP) has shown to be associated to risk factors of several metabolic and vascular diseases. However, little is known about interaction between MnSOD Ala16Val SNP in stroke, a frequent neurologic disease that involves clinic manifestations such as motor deficits and spasticity. In this sense, we decided to investigate the relationship between MnSOD Ala16Val SNP with spasticity in stroke and also its influence on interleukin levels, BDNF, and glycolipid parameters. Eighty post-stroke subjects and 80 healthy controls were investigated. We showed a higher spasticity, levels of total cholesterol, LDL, IL-1β, IL-6, and INF-γ in VV post-stroke group. Interesting, we found a correlation between IL-1β levels and spasticity in VV post-stroke. Triglycerides, glucose levels and caspases (1 and 3) activation were significantly higher, as well as BDNF levels were lower in VV and AV post-stroke. DNA damage was higher in post-stroke group. Thus, we can suggest that the V allele has a worse glycolipid profile, which would facilitate changes in neurovascular homeostasis. These events associated with an increase in inflammatory markers and a reduction in BDNF can contribute with the stroke and a worse clinical evolution in relation to spasticity in patients with VV genotype.
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Affiliation(s)
- Ariane Ethur Flores
- Centro de Ciências da Saúde, Departamento de Neuropsiquiatria, Universidade Federal de Santa Maria, RS, Brazil; Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, RS, Brazil
| | - Eduardo Tanuri Pascotini
- Centro de Ciências da Saúde, Departamento de Neuropsiquiatria, Universidade Federal de Santa Maria, RS, Brazil; Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, RS, Brazil
| | - Aline Kegler
- Centro de Ciências da Saúde, Departamento de Neuropsiquiatria, Universidade Federal de Santa Maria, RS, Brazil; Centro de Ciências Naturais e Exatas, Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, RS, Brazil
| | - Núbia Broetto
- Curso de Fisioterapia, Departamento de Ginástica e Saúde, Universidade Federal de Pelotas, RS, Brazil
| | - Patricia Gabbi
- Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, RS, Brazil
| | - Thiago Duarte
- Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, RS, Brazil
| | | | - Marta M M F Duarte
- Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, RS, Brazil
| | - Ivana B M da Cruz
- Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, RS, Brazil
| | | | - Luiz Fernando Freire Royes
- Centro de Ciências Naturais e Exatas, Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, RS, Brazil; Centro de Educação Física e Desportos, Laboratório de Bioquímica do Exercício (BIOEX), Universidade Federal de Santa Maria, RS, Brazil; Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, RS, Brazil
| | - Michele Rechia Fighera
- Centro de Ciências da Saúde, Departamento de Neuropsiquiatria, Universidade Federal de Santa Maria, RS, Brazil; Centro de Ciências Naturais e Exatas, Programa de Pós-graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, RS, Brazil; Centro de Educação Física e Desportos, Laboratório de Bioquímica do Exercício (BIOEX), Universidade Federal de Santa Maria, RS, Brazil; Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria, RS, Brazil.
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Chen X, Shen J, Zhou Q, Jin X, Liu H, Gao R. Astragaloside VI Ameliorates Post-Stroke Depression via Upregulating the NRG-1-Mediated MEK/ERK Pathway. Pharmaceuticals (Basel) 2022; 15:ph15121551. [PMID: 36559001 PMCID: PMC9784132 DOI: 10.3390/ph15121551] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 12/06/2022] [Accepted: 12/10/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Post-stroke depression (PSD) has been identified as one of the most commonly occurring complications attributed to stroke. Astragaloside VI (AsVI), which is an active Radix Astragali (AR)-derived compound, has been reported to be a potential drug for post-stroke therapy, but its effects on PSD and the underlying mechanisms remain uncovered. METHODS In this study, healthy male SD rats underwent a middle cerebral artery occlusion (MCAO) stroke model. To create a PSD model, these rats were then kept in isolated houses and subjected to chronic unpredictable mild stress. The rats were examined every five days for a series of behavioral tests of depression. The antidepressant properties of AsVI were also investigated in vitro in a corticosterone (CORT)-induced major depression model using a CCK-8 assay. The release of neurotransmitters dopamine (DA)/5-hydroxytryptamine (5-HT) was measured using HPLC. The expression of the neurotrophic factor Neuregulin 1 (NRG-1) in rat brain tissues was detected by immunostaining. The protein expression of NRG-1, p-MEK1, and p-ERK1/2 was analyzed utilizing western blotting. RESULTS AsVI treatment significantly reduced depression-like behaviors in PSD rats and attenuated the CORT-induced apoptotic cell death in neuronal PC-12 cells. Besides, AsVI treatment remarkably prevented the decrease of the levels of DA and 5-HT in the PSD rat brains and in CORT-induced PC-12 cells. Furthermore, AsVI treatment upregulated the NRG-1-mediated MEK/ERK pathway, which is associated with the improvement of PSD. CONCLUSIONS These findings suggest that AsVI could improve PSD at least partially by upregulating NRG-1-mediated MEK/ERK pathway. AsVI could be a novel therapeutic option for treating PSD.
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Affiliation(s)
- Xi Chen
- Department of Core Facility, The People’s Hospital of Bao-an, Shenzhen 518000, China
- The Second Affiliated Hospital of Shenzhen University, Shenzhen 518000, China
- Correspondence: ; Tel.: +86-139-0247-5452; Fax: +86-2778-8311
| | - Jiangang Shen
- School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 10 Sassoon Road, Pokfulam, Hong Kong SAR 999077, China
| | - Qing Zhou
- Department of Core Facility, The People’s Hospital of Bao-an, Shenzhen 518000, China
- The Second Affiliated Hospital of Shenzhen University, Shenzhen 518000, China
| | - Xinchun Jin
- Department of Human Anatomy, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Haosheng Liu
- Department of Core Facility, The People’s Hospital of Bao-an, Shenzhen 518000, China
- The Second Affiliated Hospital of Shenzhen University, Shenzhen 518000, China
| | - Ran Gao
- Department of Core Facility, The People’s Hospital of Bao-an, Shenzhen 518000, China
- The Second Affiliated Hospital of Shenzhen University, Shenzhen 518000, China
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Distinct association of plasma BDNF concentration and cognitive function in depressed patients treated with vortioxetine or escitalopram. Psychopharmacology (Berl) 2021; 238:1575-1584. [PMID: 33560444 DOI: 10.1007/s00213-021-05790-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 02/04/2021] [Indexed: 10/22/2022]
Abstract
RATIONALE Cognitive dysfunction is frequent in major depressive disorder (MDD), and brain-derived neurotrophic factor (BDNF) is involved both in regulation of cognition and in therapeutic response in MDD. OBJECTIVES The aim of this study was to determine if baseline plasma BDNF might predict change in cognitive function in MDD patients treated with vortioxetine or escitalopram, and whether the alterations in BDNF levels correlate with changes in cognitive performance during treatment. METHODS Drug-naive or drug-free patients with MDD (N=121) were sampled and evaluated at baseline and 4 weeks after treatment initiation with vortioxetine or escitalopram. Cognitive function was evaluated using the F-A-S test, Digit Span test, and Digit Symbol Coding test. Plasma BDNF was determined using ELISA. RESULTS The results of the study indicate that both vortioxetine (V) and escitalopram (E) improved cognitive functions evaluated with F-A-S test (V: p<0.001; r=-0.427, E: p<0.001; r=-0.370), Digit Symbol Coding test (V: p<0.001; r=-0.706, E: p<0.001; r=-0.435), and Digit Span test-backward span (V: p=0.001; r=-0.311, E: p=0.042; r=-0.185), while only vortioxetine (p<0.001; r=-0.325) improved cognition evaluated with the Digit Span test-forward span. A moderate positive correlation between pretreatment plasma BDNF levels and improvement in cognitive performance was only detected in patients treated with vortioxetine (delta F-A-S test: p=0.011; r=0.325, delta Digit Span test-forward span: p=0.010, r=0.326). CONCLUSIONS These results suggest that higher baseline plasma BDNF levels might be associated with improvements in verbal fluency and working memory in vortioxetine, but not escitalopram treated patients. Vortioxetine treatment was superior in simple attention efficiency.
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Wijeratne T, Sales C. Understanding Why Post-Stroke Depression May Be the Norm Rather Than the Exception: The Anatomical and Neuroinflammatory Correlates of Post-Stroke Depression. J Clin Med 2021; 10:jcm10081674. [PMID: 33919670 PMCID: PMC8069768 DOI: 10.3390/jcm10081674] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/30/2021] [Accepted: 04/07/2021] [Indexed: 12/13/2022] Open
Abstract
Ischemic Stroke precedes depression. Post-stroke depression (PSD) is a major driver for poor recovery, negative quality of life, poor rehabilitation outcomes and poor functional ability. In this systematic review, we analysed the inflammatory basis of post-stroke depression, which involves bioenergetic failure, deranged iron homeostasis (calcium influx, Na influx, potassium efflux etc), excitotoxicity, acidotoxicity, disruption of the blood brain barrier, cytokine-mediated cytotoxicity, reactive oxygen mediated toxicity, activation of cyclooxygenase pathway and generation of toxic products. This process subsequently results in cell death, maladapted, persistent neuro-inflammation and deranged neuronal networks in mood-related brain regions. Furthermore, an in-depth review likewise reveals that anatomic structures related to post-stroke depression may be localized to complex circuitries involving the cortical and subcortical regions.
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Affiliation(s)
- Tissa Wijeratne
- School of Psychology and Public Health, La Trobe University, Melbourne 3000, Australia
- Department of Neurology, Western Health & University Melbourne, AIMSS, Level Three, WHCRE, Sunshine Hospital, St Albans 3021, Australia;
- Department of Medicine, Faculty of Medicine, University of Rajarata, Saliyapura, Anuradhapura 50000, Sri Lanka
- Correspondence:
| | - Carmela Sales
- Department of Neurology, Western Health & University Melbourne, AIMSS, Level Three, WHCRE, Sunshine Hospital, St Albans 3021, Australia;
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Dong H, Qin YQ, Sun YC, Yao HJ, Cheng XK, Yu Y, Lu SS. Electroacupuncture Ameliorates Depressive-Like Behaviors in Poststroke Rats via Activating the tPA/BDNF/TrkB Pathway. Neuropsychiatr Dis Treat 2021; 17:1057-1067. [PMID: 33880028 PMCID: PMC8053498 DOI: 10.2147/ndt.s298540] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 03/22/2021] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Electroacupuncture (EA) is a form of physical therapy that has been widely used in clinical practice in China. Post-stroke depression (PSD) is the most common neuropsychiatric complication after stroke. EA has been shown to have beneficial effects on PSD patients. However, the potential mechanism underlying the protective effects of EA on PSD remains unclear. Here, we investigated whether tissue plasminogen activator (tPA)/brain-derived neurotrophic factor (BDNF)/tyrosine kinase receptor B (TrkB) signaling pathway participates in the therapeutic effects of EA in a rat PSD model. METHODS Experimental PSD was induced by combining middle cerebral artery occlusion (MCAO) with chronic unpredictable mild stimulation (CUMS) in adult male rats. Bodyweight gain, neurological score, sucrose preference, and open field test were determined at 0, 7, 14, and 35 days after completing MCAO. The protein expressions of tPA, precursor BDNF (proBDNF), mature BDNF (mBDNF), and TrkB were measured by immunofluorescence and Western blot analysis. The tPA inhibitor plasminogen inhibitor-1 (PAI-1) was used to explore whether tPA plays a crucial role in the protective effects of EA on PSD. RESULTS Compared with the sham rats, the PSD rats showed decreased bodyweight, deteriorated neurological score, and significant depressive-like behaviors. EA remarkably reversed bodyweight loss, neurological deficit, and depressive-like behaviors in PSD rats. Immunofluorescence staining and Western blot analysis showed that PSD-induced decreased expression of tPA, mBDNF, and TrkB were prevented by EA. Furthermore, we found that the effects of EA against PSD-induced depressive-like behaviors were abolished by PAI-1, the specific inhibitor of tPA. CONCLUSION Our results suggest that the improvement in depressive-like behaviors induced by EA is likely achieved via activation of the tPA/BDNF/TrkB pathway.
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Affiliation(s)
- Hao Dong
- Beijing Bo'ai Hospital, China Rehabilitation Research Center, China Rehabilitation Science Institute, Beijing, People's Republic of China
| | - Yan-Qiang Qin
- Treatment Center of TCM, Beijing Bo'ai Hospital, China Rehabilitation Research Center, China Rehabilitation Science Institute, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Ying-Chun Sun
- Treatment Center of TCM, Beijing Bo'ai Hospital, China Rehabilitation Research Center, China Rehabilitation Science Institute, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Hai-Jiang Yao
- Treatment Center of TCM, Beijing Bo'ai Hospital, China Rehabilitation Research Center, China Rehabilitation Science Institute, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Xian-Kuan Cheng
- Treatment Center of TCM, Beijing Bo'ai Hospital, China Rehabilitation Research Center, China Rehabilitation Science Institute, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Yan Yu
- Beijing Bo'ai Hospital, China Rehabilitation Research Center, China Rehabilitation Science Institute, Beijing, People's Republic of China
| | - Shou-Si Lu
- Beijing Bo'ai Hospital, China Rehabilitation Research Center, China Rehabilitation Science Institute, Beijing, People's Republic of China
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Myricitrin ameliorates cognitive deficits in MCAO cerebral stroke rats via histone acetylation-induced alterations of brain-derived neurotrophic factor. Mol Cell Biochem 2020; 476:609-617. [PMID: 33074446 DOI: 10.1007/s11010-020-03930-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 09/26/2020] [Indexed: 10/23/2022]
Abstract
The present study screened the effect of Myricitrin on cognitive deficits post-cerebral ischemic stroke and the involved mechanism. The rats were submitted to middle cerebral artery occlusion (MCAO) and were treated with sodium butyrate or Myricitrin (15 and 30 mg/kg) for 28 days. The spatial memory was studied by Morris water maze (MWM). After 4 weeks, the rats were euthanized and hippocampus region was utilized for neurochemical and biochemical changes. The extent of histone acetylation was studied by ELISA. Protein levels were analyzed by Western blot analysis. The mRNA levels were analyzed by polymerase chain reaction (PCR). In silico bioinformatics docking studies were done for target confirmation of Myricitrin. The treatment of Myricitrin showed improved memory in MWM compared to rats treated with vehicle, and the effects of Myricitrin were similar to sodium butyrate-treated rats. At a dose of 30 mg/kg Myricitrin, the histone deacetylase content was decreased, the expression levels of BDNF were increased, the levels of acetylated H3 and H4 along with Syn-I in the hippocampus region were over-expressed compared to control vehicle-treated rats. However, at low dose, i.e., 15 mg/kg Myricitrin failed to show alterations in biochemical as well as neurochemical markers. Docking studies suggested the BDNF and Sun-I as potential target proteins of Myricitrin. The cognitive ameliorating effect of Myricitrin post-cerebral ischemia stroke can be attributed to increased expression of BDNF and Syn-I and modulation of histone acetylation.
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Ling Y, Gu Q, Zhang J, Gong T, Weng X, Liu J, Sun J. Structural Change of Gut Microbiota in Patients with Post-Stroke Comorbid Cognitive Impairment and Depression and Its Correlation with Clinical Features. J Alzheimers Dis 2020; 77:1595-1608. [PMID: 32925035 DOI: 10.3233/jad-200315] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Background: Post-stroke comorbid cognitive impairment and depression (PSCCID) is a severe neuropsychiatric complication after acute stroke. Gut microbiota dysbiosis is associated with many psychiatric disorders. Alterations in the composition of gut microbiota may serve as a critical role in patients with PSCCID. Objective: We aimed to characterize the microbial profiles of patients with PSCCID. Method: A total of 175 stroke patients were recruited in the study. The composition of gut bacterial communities of patients was determined by 16S ribosomal RNA Miseq sequencing, and Phylogenetic Investigation of Communities by Reconstruction of Unobserved States was used to demonstrate the functional alterations of gut microbiota. We further identified the characteristic gut microbiota of PSCCID using linear discriminant analysis effect size. Results: Patients with PSCCID exhibited an increased abundance of Proteobacteria, including Gammaproteobacteria, Enterobacteriales, and Enterobacteriaceae, and a decreased abundance of several short-chain fatty acids-producing bacteria compared with non-PSCCID patients. The abundance of Gammaproteobacteria and Enterobacteriaceae showed negative correlations with the MoCA score. Moreover, the Kyoto Encyclopedia of Genes and Genomes results demonstrated the enriched orthologs of glycan biosynthesis and metabolism and decreased orthologs of amino acid metabolism in PSCCID patients. Importantly, the characteristic gut microbiota was identified and achieved an area under the curve of 0.847 between the two groups. Conclusion: In this study, we characterized the gut microbiota of PSCCID patients, and revealed the correlations of the altered gut microbiota with clinical parameters, which took a further step towards non-invasive diagnostic biomarkers for PSCCID from fecal samples.
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Affiliation(s)
- Yi Ling
- Department of Neurology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Qilu Gu
- Department of Neurology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Junmei Zhang
- Department of Neurology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Tianyu Gong
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiongpeng Weng
- Department of Neurology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jiaming Liu
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jing Sun
- Department of Neurology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
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Steliga A, Kowiański P, Czuba E, Waśkow M, Moryś J, Lietzau G. Neurovascular Unit as a Source of Ischemic Stroke Biomarkers-Limitations of Experimental Studies and Perspectives for Clinical Application. Transl Stroke Res 2020; 11:553-579. [PMID: 31701356 PMCID: PMC7340668 DOI: 10.1007/s12975-019-00744-5] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 09/23/2019] [Accepted: 09/24/2019] [Indexed: 01/13/2023]
Abstract
Cerebral stroke, which is one of the most frequent causes of mortality and leading cause of disability in developed countries, often leads to devastating and irreversible brain damage. Neurological and neuroradiological diagnosis of stroke, especially in its acute phase, is frequently uncertain or inconclusive. This results in difficulties in identification of patients with poor prognosis or being at high risk for complications. It also makes difficult identification of these stroke patients who could benefit from more aggressive therapies. In contrary to the cardiovascular disease, no single biomarker is available for the ischemic stroke, addressing the abovementioned issues. This justifies the need for identifying of effective diagnostic measures characterized by high specificity and sensitivity. One of the promising avenues in this area is studies on the panels of biomarkers characteristic for processes which occur in different types and phases of ischemic stroke and represent all morphological constituents of the brains' neurovascular unit (NVU). In this review, we present the current state of knowledge concerning already-used or potentially applicable biomarkers of the ischemic stroke. We also discuss the perspectives for identification of biomarkers representative for different types and phases of the ischemic stroke, as well as for different constituents of NVU, which concentration levels correlate with extent of brain damage and patients' neurological status. Finally, a critical analysis of perspectives on further improvement of the ischemic stroke diagnosis is presented.
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Affiliation(s)
- Aleksandra Steliga
- Faculty of Health Sciences, Pomeranian University of Slupsk, 64 Bohaterów Westerplatte St., 76-200, Slupsk, Poland
| | - Przemysław Kowiański
- Faculty of Health Sciences, Pomeranian University of Slupsk, 64 Bohaterów Westerplatte St., 76-200, Slupsk, Poland.
- Department of Anatomy and Neurobiology, Medical University of Gdansk, 1 Debinki St., 80-211, Gdansk, Poland.
| | - Ewelina Czuba
- Department of Anatomy and Neurobiology, Medical University of Gdansk, 1 Debinki St., 80-211, Gdansk, Poland
| | - Monika Waśkow
- Faculty of Health Sciences, Pomeranian University of Slupsk, 64 Bohaterów Westerplatte St., 76-200, Slupsk, Poland
| | - Janusz Moryś
- Department of Anatomy and Neurobiology, Medical University of Gdansk, 1 Debinki St., 80-211, Gdansk, Poland
| | - Grażyna Lietzau
- Department of Anatomy and Neurobiology, Medical University of Gdansk, 1 Debinki St., 80-211, Gdansk, Poland
- Department of Clinical Science and Education, Södersjukhuset, Internal Medicine, Karolinska Institutet, Stockholm, Sweden
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Ghasemi E, Afkhami Aghda F, Rezvani ME, Shahrokhi Raeini A, Hafizibarjin Z, Zare Mehrjerdi F. Effect of endogenous sulfur dioxide on spatial learning and memory and hippocampal damages in the experimental model of chronic cerebral hypoperfusion. J Basic Clin Physiol Pharmacol 2020; 31:/j/jbcpp.ahead-of-print/jbcpp-2019-0227/jbcpp-2019-0227.xml. [PMID: 32004146 DOI: 10.1515/jbcpp-2019-0227] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 11/15/2019] [Indexed: 12/27/2022]
Abstract
Background The vascular changes due to cerebrovascular damage, especially on the capillaries, play a vital role in causing vascular dementia. Increasing oxidative stress can lead to tissue damage while reducing brain blood flow. The use of factors reducing the oxidative stress level can decrease the brain damages. Sulfur dioxide (SO2) is one of the most important air pollutants that lead to the development of severe brain damage in large quantities. However, studies have recently confirmed the protective effect of SO2 in cardiac ischemic injury, atherosclerosis and pulmonary infections. Methods The permanent bilateral common carotid artery occlusion (BCAO) method was used to induce chronic cerebral hypoperfusion (CCH). Two treatment groups of SO2 were studied. The animal cognitive performance was evaluated using the Morris water maze. Hippocampal tissue damage was examined after 2 months of BCAO. In the biochemical analysis, the activity of catalase and lipid peroxidation of the hippocampus was studied. Results Neuronal damage in hippocampus, as well as cognitive impairment in ischemia groups treated with SO2 showed a significant improvement. Catalase activity was also significantly increased in the hippocampus of treated groups. Conclusions According to the results, SO2 is likely to be effective in reducing the CCH-caused damages by increasing the antioxidant capacity of the hippocampus.
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Affiliation(s)
- Elaheh Ghasemi
- International Campus, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Faezeh Afkhami Aghda
- Neurobiomedical Research Center, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran
| | - Mohammad Ebrahim Rezvani
- Neurobiomedical Research Center, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran
| | - Azadeh Shahrokhi Raeini
- Neurobiomedical Research Center, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran
| | - Zeynab Hafizibarjin
- Neurobiomedical Research Center, School of Medicine, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran
| | - Fatemeh Zare Mehrjerdi
- Department of Physiology, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran, Phone: +98-35-38203412, Fax: +98-35-38203412
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12
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Syafrita Y, Amir D, Susanti R, Fadhilah I. Relationship of brain-derived neurotrophic factor, malondialdehyde, and 8-Hydroxy 2-Deoxyguanosine with post-ischemic stroke depression. Dement Neuropsychol 2020; 14:41-46. [PMID: 32206197 PMCID: PMC7077855 DOI: 10.1590/1980-57642020dn14-010007] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 12/21/2019] [Indexed: 12/22/2022] Open
Abstract
A few studies have shown that serum brain-derived neurotrophic factor (BDNF) level in post-stroke depression is highly correlated with memory and neuropsychiatric disturbances. OBJECTIVE This study aimed to elucidate the relationship of serum BDNF, malondialdehyde (MDA), and 8-Hydroxy 2-Deoxyguanosine (8-OhdG) levels in acute stroke cases with one-month post-stroke depression. METHODS An observational study was conducted of 72 post-ischemic stroke patients in the Neurology ward of the Dr. M. Djamil Hospital, Padang, West Sumatra, Indonesia. Acute stroke (< 48 hours) serum BDNF, MDA, and 8-OhdG levels were measured using ELISA. Based on observations using the Hamilton Depression Rating Scale conducted one month after stroke, respondents were divided into two groups: with and without depression. The mean serum level was analyzed using the t-test and Mann-Whitney test, while differences in basic characteristics were analyzed using the Chi-square test. Multivariate analysis was conducted to determine the most significant factor associated with post-stroke depression. The error rate was set at 5%. RESULTS BDNF levels in acute stroke were significantly lower in the depression group than in the non-depression group (p < 0.05). MDA and 8-OhdG levels in acute stroke were higher in the depression group (p < 0.05). BDNF level during acute stroke was negatively correlated with post-stroke depression, while, conversely, acute stroke MDA and 8-OhdG levels were positively correlated with depression. CONCLUSION BDNF had a negative correlation, while MDA and 8-OhdG had a positive correlation, with depression one-month post-stroke. 8-OhdG was the most influential factor in post-stroke depression.
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Affiliation(s)
- Yuliarni Syafrita
- Neurology Department, Faculty of Medicine, Andalas University,
Indonesia
| | - Darwin Amir
- Hospital, Perintis Kemerdekaan Street, Padang, West Sumatra,
Indonesia
| | - Restu Susanti
- Neurology Department, Faculty of Medicine, Andalas University,
Indonesia
| | - I Fadhilah
- Neurology Department, Faculty of Medicine, Andalas University,
Indonesia
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13
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Chen C, Dong Y, Liu F, Gao C, Ji C, Dang Y, Ma X, Liu Y. A Study of Antidepressant Effect and Mechanism on Intranasal Delivery of BDNF-HA2TAT/AAV to Rats with Post-Stroke Depression. Neuropsychiatr Dis Treat 2020; 16:637-649. [PMID: 32184603 PMCID: PMC7061423 DOI: 10.2147/ndt.s227598] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 01/21/2020] [Indexed: 11/23/2022] Open
Abstract
AIM Post-stroke depression (PSD) is one of the most frequent neuropsychiatric disorders associated with stroke characterized by depression. The neuroplasticity hypothesis postulates that loss of brain-derived neurotrophic factor (BDNF) plays a major role in pathophysiology of PSD, and restoration of it may represent a critical mechanism underlying antidepressant efficacy. METHODS In previous studies, we designed a new fusion gene, HA2TAT-BDNF, and cloned it into adenovirus associated virus (AAV) to construct the BDNF-HA2TAT/AAV for the delivery of BDNF to central nervous system (CNS) via nose-brain pathway. In this study, we used it to explore the antidepressant effects on PSD rats through behavioral and various histological methods, and try to find out its specific mechanism. RESULTS Compared with the control group, the PSD+AAV group showed decreased sucrose consumption percentage in the sucrose preference test (SPT) (P < 0.001) and prolonged immobility in the forced swimming test (FST) (P=0.000). However, the nasal administration of BDNF-HA2TAT/AAV reversed results of these two behavioral tests (P>0.05, P >0.05), showing an adequate antidepressant effect. Compared with the control group, the concentrations of BDNF mRNA and protein in the hippocampus (P< 0.05, P < 0.01) and prefrontal cortex (P < 0.01, P < 0.01) of PSD rats both decreased. Increased BDNF mRNA and protein expression was observed in the prefrontal cortex (P > 0.05, P < 0.05), without notable change in the hippocampus (P < 0.05, P < 0.001) of PSD+BDNF rats. CONCLUSION These results suggest that BDNF reductions in the prefrontal cortex and hippocampus are associated with the development of post-stroke depression, and that increased levels of BDNF in the prefrontal cortex could be used as a therapeutic target to treat PSD. However, the exact mechanism of BDNF action remains unclear in this regard, hindering the wider application of our method. We expect that our research could facilitate the exploration of pathogenesis and the new treatment method of PSD.
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Affiliation(s)
- Ce Chen
- Department of Psychiatry, First Affiliated Hospital of Medical College Xi'an Jiaotong University, Xi'an 710061, Shaanxi, People's Republic of China
| | - Yingying Dong
- Department of Psychiatry, First Affiliated Hospital of Medical College Xi'an Jiaotong University, Xi'an 710061, Shaanxi, People's Republic of China
| | - Fei Liu
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, College of Stomatology, Xi'an Jiaotong University, Xi'an 710004, Shaanxi, People's Republic of China
| | - Chengge Gao
- Department of Psychiatry, First Affiliated Hospital of Medical College Xi'an Jiaotong University, Xi'an 710061, Shaanxi, People's Republic of China
| | - Cui Ji
- The Hospital of Xidian University, Xi'an 710071, Shaanxi, People's Republic of China
| | - Yonghui Dang
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi, People's Republic of China
| | - Xiancang Ma
- Department of Psychiatry, First Affiliated Hospital of Medical College Xi'an Jiaotong University, Xi'an 710061, Shaanxi, People's Republic of China
| | - Yong Liu
- The Institute of Neurobiology, Xi'an Jiaotong University, Xi'an 710061, Shaanxi, People's Republic of China
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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
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15
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Pei CD, Zhang LL, Fei PG, Gu SN, Li WQ, Mu JL, Wang XS, Wang WS, Zhang XY, Zhang ZH, Song JG. Upregulation of aryl hydrocarbon receptor nuclear translocator 2 in the hippocampi of post-stroke depression rats. Biomed Rep 2019; 11:51-58. [PMID: 31338190 PMCID: PMC6610214 DOI: 10.3892/br.2019.1225] [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: 05/03/2019] [Accepted: 06/11/2019] [Indexed: 11/11/2022] Open
Abstract
Aryl hydrocarbon receptor nuclear translocator protein 2 (ARNT2), a member of the basic helix-loop-helix superfamily of transcription factors, may serve a vital role in neuronal survival and cell proliferation via formation of heterodimers with hypoxia-inducible factor-1α. Previous studies indicated that ARNT2 levels were elevated in the brains of ischemic rats; however, the involvement of ARNT2 in post-stroke depression (PSD) rats is not well understood. Therefore, the present study aimed to investigate the levels of ARNT2 in the hippocampi of PSD rats, and to clarify the potential association between ARNT2 and behavioral performance. A PSD rat model was established by middle cerebral artery occlusion (MCAO) followed by a 4-week chronic unpredictable mild stress (CUMS) regimen. A sucrose preference test and open field test (OFT) were conducted, and body weight was measured. In addition, reverse transcription-polymerase chain reaction and immunohistochemistry were performed to measure ARNT expression. Results indicated that MCAO+CUMS rats had lower weight gain, consumed less sucrose and moved less compared with controls. Furthermore, the mRNA and protein levels of ARNT in MCAO+CUMS rats were increased compared with in controls. The sucrose preference index and horizontal movement distance in the OFT were positively correlated with ARNT mRNA level. Thus, from these findings it was suggested that ARNT2 may be positively associated with improvement of cognitive impairment, and therefore may be a potential target in PSD treatment.
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Affiliation(s)
- Chen-Di Pei
- Department of Neurology, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China.,Department of Neurology, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Lu-Lu Zhang
- Department of Neurology, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China.,Department of Neurology, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Peng-Ge Fei
- Department of Neurology, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China.,Henan Key Laboratory of Biological Psychiatry, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Shi-Na Gu
- Department of General Medicine, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan 453100, P.R. China
| | - Wen-Qiang Li
- Henan Key Laboratory of Biological Psychiatry, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China.,Department of Psychosomatic Medicine, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China
| | - Jun-Lin Mu
- Henan Key Laboratory of Biological Psychiatry, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China.,Department of Psychosomatic Medicine, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China
| | - Xu-Sheng Wang
- Department of Neurology, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Wen-Sheng Wang
- Department of Neurology, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan 453100, P.R. China.,Tuberculosis Research Institute of Xinxiang Medical University, Weihui, Henan 453002, P.R. China
| | - Xiang-Yang Zhang
- Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Zhao-Hui Zhang
- Department of Psychosomatic Medicine, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China
| | - Jing-Gui Song
- Department of Neurology, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan 453100, P.R. China
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16
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The Alteration of Hippocampal BDNF Expression Is Associated with Anxiety-Like Behavior Following the Injury to the Sciatic Nerve. ARCHIVES OF NEUROSCIENCE 2018. [DOI: 10.5812/ans.74029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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17
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Villa RF, Ferrari F, Moretti A. Post-stroke depression: Mechanisms and pharmacological treatment. Pharmacol Ther 2018; 184:131-144. [DOI: 10.1016/j.pharmthera.2017.11.005] [Citation(s) in RCA: 158] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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18
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Ghorbani S, Tiraihi T, Soleimani M. Differentiation of mesenchymal stem cells into neuron-like cells using composite 3D scaffold combined with valproic acid induction. J Biomater Appl 2017; 32:702-715. [PMID: 29169271 DOI: 10.1177/0885328217741903] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The nervous system has little capacity for self-repair after injury because neurons cannot proliferate owing to lack of suitable microenvironment. Therefore, neural tissue engineering that combines neural stem, scaffolds, and growth factors may improve the chance of restoration of damaged neural tissues. A favorable niche for neural regeneration would be both fibrous and electrically conductive scaffolds. Human Wharton jelly-derived mesenchymal stem cells were seeded on wet-electrospun 3D scaffolds composed of poly lactic acid coated with natural polymers including alginate and gelatin, followed by a multi-wall carbon nanotube coating. The results show that a wet-electrospun poly lactic acid scaffold at a concentration of 15% w/v had higher porosity (above 80%) than other concentrations. Moreover, the coated scaffold supported the growth of human Wharton jelly-derived mesenchymal stem cells in 3D culture, and were incubated for 21 days with 1 mM valproic acid as the inducer resulted in improvement in human Wharton jelly-derived mesenchymal stem cells differentiation into neuron-like cells immunoreactivity to nestin, Map2, and neuron specific enolase (NSE), which were also consistent with reverse transcription polymerase chain reaction (RT-PCR) and quantitive Reverse transcription polymerase chain reaction (qRT-PCR) results. The conclusion is that the 3D composite nanofiber poly lactic acid scaffold improved the transdifferentiation of human Wharton jelly-derived mesenchymal stem cells into neuron-like cells.
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Affiliation(s)
- Sadegh Ghorbani
- 1 Department of Anatomical Sciences, 48503 School of Medical Sciences, Tarbiat Modares University , Tehran, Islamic Republic of Iran
| | - Taki Tiraihi
- 1 Department of Anatomical Sciences, 48503 School of Medical Sciences, Tarbiat Modares University , Tehran, Islamic Republic of Iran
| | - Masoud Soleimani
- 2 Department of Hematology, 48503 School of Medical Sciences, Tarbiat Modares University , Tehran, Islamic Republic of Iran
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Tu F, Pang Q, Huang T, Zhao Y, Liu M, Chen X. Apigenin Ameliorates Post-Stroke Cognitive Deficits in Rats Through Histone Acetylation-Mediated Neurochemical Alterations. Med Sci Monit 2017; 23:4004-4013. [PMID: 28821706 PMCID: PMC5572783 DOI: 10.12659/msm.902770] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Background To identify the effect of apigenin on cognitive deficits of rats after cerebral ischemia and reperfusion injury, and to investigate the potential molecular mechanisms. Material/Methods The rats were given sodium butyrate (NaB) or apigenin (20 or 40 mg/kg) for 28 days. Cognition was investigated by the Morris water maze (MWM) test. On day 28, the rats were euthanized and their hippocampal brain regions were used to identify biochemical and neurochemical alterations. The content of histone deacetylase (HDAC) was measured by enzyme-linked immunosorbent assay (ELISA). Western blot analysis was performed to determine the levels of BDNF, phosphorylated cAMP response element-binding protein (pCREB), acetylated H3, and acetylated H4. The mRNA expressions of brain-derived neurotrophic factor (BDNF) and synapsin-I (Syn-I) were examined by polymerase chain reaction (PCR). Results The rats with chronic administration of apigenin (20 and 40 mg/kg) showed better performance in the MWM task than the model rats; there was no significant difference between the apigenin-treated and NaB-treated rats. At the higher apigenin dose of 40 mg/kg, the HDAC content was decreased, the BDNF level was markedly increased, and acetylated H3 and acetylated H4 expressions and Syn-I expressions in the hippocampus was upregulated compared with the model group. Apigenin at 20 mg/kg did not show reversal of the neurochemical alterations. Conclusions The improvement effect of apigenin on cognitive impairments after cerebral ischemia and reperfusion injury may involve multiple mechanisms, such as the inhibition of HDAC, induction of BDNF and Syn-I expression, and regulation of histone acetylation.
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Affiliation(s)
- Fengxia Tu
- Department of Physical Medicine and Rehabilitation, The 2nd Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China (mainland)
| | - Qiongyi Pang
- Department of Physical Medicine and Rehabilitation, The 2nd Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China (mainland)
| | - Tingting Huang
- Department of Physical Medicine and Rehabilitation, The 2nd Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China (mainland)
| | - Yun Zhao
- Department of Physical Medicine and Rehabilitation, The 2nd Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China (mainland)
| | - Meixia Liu
- Department of Physical Medicine and Rehabilitation, The 2nd Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China (mainland)
| | - Xiang Chen
- Department of Physical Medicine and Rehabilitation, The 2nd Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China (mainland)
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20
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Yan T, He B, Wan S, Xu M, Yang H, Xiao F, Bi K, Jia Y. Antidepressant-like effects and cognitive enhancement of Schisandra chinensis in chronic unpredictable mild stress mice and its related mechanism. Sci Rep 2017; 7:6903. [PMID: 28761074 PMCID: PMC5537344 DOI: 10.1038/s41598-017-07407-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 06/28/2017] [Indexed: 02/07/2023] Open
Abstract
The aim of this study was to evaluate whether Schisandra chinensis extract (SCE) administration influences chronic unpredictable mild stress (CUMS)-induced depression and cognitive impairment, and explores underlying mechanisms. Sucrose preference test (SPT) and forced swimming test (FST) were used for assessing depressive symptoms, and Y-maze, Morris water maze were used for evaluating cognition processes. The results showed that CUMS (4 weeks) was effective in producing both depression and memory deficits in mice. Additionally, CUMS exposure significantly decreased brain derived neurotrophic factor (BDNF) levels in hippocampus as indicated by ELISA, immunohistochemistry and immunofluorescence assays, accompanied by down-regulated tyrosine kinase receptor B (TrkB)/cAMP-response element binding protein (CREB)/extracellular signal-regulated kinase (ERK) and phosphatidylinositol 3 kinase (PI3K)/ protein kinase B (AKT)/ glycogen synthase kinase-3β (GSK-3β) signaling pathways. Chronic administration of SCE (600 or 1200 mg/kg, i.g.) significantly prevented all these CUMS-induced behavioral and biochemical alterations. It suggested that SCE could improve the depression-like emotional status and associated cognitive deficits in CUMS mice, which might be mediated by regulation of BDNF levels in hippocampus, as well as up-regulating of TrkB/CREB/ERK and PI3K/AKT/GSK-3β pathways.
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Affiliation(s)
- Tingxu Yan
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, China
| | - Bosai He
- School of Pharmacy, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, China
| | - Shutong Wan
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, China
| | - Mengjie Xu
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, China
| | - Huilin Yang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, China
| | - Feng Xiao
- School of Functional Food and Wine, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, China
| | - Kaishun Bi
- School of Pharmacy, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, China
| | - Ying Jia
- School of Functional Food and Wine, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, China.
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21
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Buyang Huanwu Decoction Ameliorates Poststroke Depression via Promoting Neurotrophic Pathway Mediated Neuroprotection and Neurogenesis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 2017:4072658. [PMID: 28373887 PMCID: PMC5360955 DOI: 10.1155/2017/4072658] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 11/20/2016] [Indexed: 01/22/2023]
Abstract
Objective. The aim of the present research is to investigate the therapeutic effect of Buyang Huanwu Decoction (BHD) in poststroke depression (PSD) animal model and illustrate its underlying mechanism via promoting neurotrophic pathway mediated neuroprotection and neurogenesis. Methods. To induce PSD rat model, isolation housed rats that received middle cerebral artery occlusion (MCAO) surgery successively suffered from chronic mild stress (CMS) treatment for consecutive twenty-one days. Meanwhile, rats were correspondingly given vehicle, BHD, and fluoxetine. Then, neurologic function was scored and depressive-like behaviors were assessed by sucrose preference test, locomotor activity, novelty-suppressed feeding test, and forced swim test. Thereafter, the neuroprotection and neurogenesis related molecular markers and signaling were detected. Results. We firstly observed a significant neurological function recovery and antidepressants effect of BHD after MCAO together with CMS treatment. Our study also found that treatment with BHD and fluoxetine can significantly rescue neurons from apoptosis and promote neurogenesis in the CA3 and DG regions in the hippocampus. Notably, BHD and fluoxetine treatment can activate BDNF/ERK/CREB signaling. Conclusion. The results suggest that BHD is a promising candidate for treating PSD. Its curative effects can be attributed to neurotrophic pathway mediated neuroprotection and neurogenesis.
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Himi N, Takahashi H, Okabe N, Nakamura E, Shiromoto T, Narita K, Koga T, Miyamoto O. Exercise in the Early Stage after Stroke Enhances Hippocampal Brain-Derived Neurotrophic Factor Expression and Memory Function Recovery. J Stroke Cerebrovasc Dis 2016; 25:2987-2994. [PMID: 27639585 DOI: 10.1016/j.jstrokecerebrovasdis.2016.08.017] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 07/13/2016] [Accepted: 08/11/2016] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Exercise in the early stage after stroke onset has been shown to facilitate the recovery from physical dysfunction. However, the mechanism of recovery has not been clarified. In this study, the effect of exercise on spatial memory function recovery in the early stage was shown, and the mechanism of recovery was discussed using a rat model of brain embolism. METHODS Intra-arterial microsphere (MS) injection induced small emboli in the rat brain. Treadmill exercise was started at 24 hours (early group) or 8 days (late group) after MS injection. The non-exercise (NE) and sham-operated groups were included as controls. Memory function was evaluated by the Morris water maze test, and hippocampal levels of brain-derived neurotrophic factor (BDNF) were measured by enzyme-linked immunosorbent assays. To further investigate the effect of BDNF on memory function, BDNF was continuously infused into the hippocampus via implantable osmotic pumps in the early or late stage after stroke. RESULTS Memory function significantly improved only in the early group compared with the late and the NE groups, although hippocampal BDNF concentrations were temporarily elevated after exercise in both the early and the late groups. Rats infused with BDNF in the early stage exhibited significant memory function recovery; however, rats that received BDNF infusion in the late stage showed no improvement. CONCLUSION Exercise elevates hippocampal BDNF levels in the early stage after cerebral embolism, and this event facilitates memory function recovery.
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Affiliation(s)
- Naoyuki Himi
- Second Department of Physiology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - Hisashi Takahashi
- Department of Rehabilitation, Kawasaki University of Medical Welfare, Kurashiki, Okayama, Japan
| | - Naohiko Okabe
- Second Department of Physiology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - Emi Nakamura
- Second Department of Physiology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - Takashi Shiromoto
- Department of Stroke, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - Kazuhiko Narita
- Second Department of Physiology, Kawasaki Medical School, Kurashiki, Okayama, Japan
| | - Tomoshige Koga
- Department of Rehabilitation, Kawasaki University of Medical Welfare, Kurashiki, Okayama, Japan
| | - Osamu Miyamoto
- Second Department of Physiology, Kawasaki Medical School, Kurashiki, Okayama, Japan.
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Xie F, Zhao Y, Ma J, Gong JB, Wang SD, Zhang L, Gao XJ, Qian LJ. The involvement of homocysteine in stress-induced Aβ precursor protein misprocessing and related cognitive decline in rats. Cell Stress Chaperones 2016; 21:915-26. [PMID: 27435080 PMCID: PMC5003809 DOI: 10.1007/s12192-016-0718-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 07/01/2016] [Accepted: 07/01/2016] [Indexed: 12/15/2022] Open
Abstract
Chronic stress is a risk factor in the development of cognitive decline and even Alzheimer's disease (AD), although its underlying mechanism is not fully understood. Our previous data demonstrated that the level of homocysteine (Hcy) was significantly elevated in the plasma of stressed animals, which suggests the possibility that Hcy is a link between stress and cognitive decline. To test this hypothesis, we compared the cognitive function, plasma concentrations of Hcy, and the brain beta-amyloid (Aβ) level between rats with or without chronic unexpected mild stress (CUMS). A lower performance by rats in behavioral tests indicated that a significant cognitive decline was induced by CUMS. Stress also disturbed the normal processing of Aβ precursor protein (APP) and resulted in the accumulation of Aβ in the brains of rats, which showed a positive correlation with the hyperhomocysteinemia (HHcy) that appeared in stressed rats. Hcy-targeting intervention experiments were used to verify further the involvement of Hcy in stress-induced APP misprocessing and related cognitive decline. The results showed that diet-induced HHcy could mimic the cognitive impairment and APP misprocessing in the same manner as CUMS, while Hcy reduction by means of vitamin B complex supplements and betaine could alleviate the cognitive deficits and dysregulation of Aβ metabolism in CUMS rats. Taken together, the novel evidence from our present study suggests that Hcy is likely to be involved in chronic stress-evoked APP misprocessing and related cognitive deficits. Our results also suggested the possibility of Hcy as a target for therapy and the potential value of vitamin B and betaine intake in the prevention of stress-induced cognitive decline.
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Affiliation(s)
- Fang Xie
- Department of Stress Medicine, Institute of Basic Medical Sciences, #27 Taiping Road, Haidian, Beijing, 100039, People's Republic of China
| | - Yun Zhao
- Department of Stress Medicine, Institute of Basic Medical Sciences, #27 Taiping Road, Haidian, Beijing, 100039, People's Republic of China
| | - Jing Ma
- Department of Stress Medicine, Institute of Basic Medical Sciences, #27 Taiping Road, Haidian, Beijing, 100039, People's Republic of China
| | - Jing-Bo Gong
- Department of Stress Medicine, Institute of Basic Medical Sciences, #27 Taiping Road, Haidian, Beijing, 100039, People's Republic of China
| | - Shi-Da Wang
- Department of Stress Medicine, Institute of Basic Medical Sciences, #27 Taiping Road, Haidian, Beijing, 100039, People's Republic of China
| | - Liang Zhang
- Department of Stress Medicine, Institute of Basic Medical Sciences, #27 Taiping Road, Haidian, Beijing, 100039, People's Republic of China
| | - Xiu-Jie Gao
- Institute of Health and Environmental Medicine, Tianjin, 300050, People's Republic of China
| | - Ling-Jia Qian
- Department of Stress Medicine, Institute of Basic Medical Sciences, #27 Taiping Road, Haidian, Beijing, 100039, People's Republic of China.
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Rezaei S, Asgari Mobarake K, Saberi A, Keshavarz P, Leili EK. Brain-derived neurotrophic factor (BDNF) Val66Met polymorphism and post-stroke dementia: a hospital-based study from northern Iran. Neurol Sci 2016; 37:935-42. [DOI: 10.1007/s10072-016-2520-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2015] [Accepted: 02/13/2016] [Indexed: 12/31/2022]
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25
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Chen HH, Zhang N, Li WY, Fang MR, Zhang H, Fang YS, Ding MX, Fu XY. Overexpression of brain-derived neurotrophic factor in the hippocampus protects against post-stroke depression. Neural Regen Res 2015; 10:1427-32. [PMID: 26604903 PMCID: PMC4625508 DOI: 10.4103/1673-5374.165510] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Post-stroke depression is associated with reduced expression of brain-derived neurotrophic factor (BDNF). In this study, we evaluated whether BDNF overexpression affects depression-like behavior in a rat model of post-stroke depression. The middle cerebral artery was occluded to produce a model of focal cerebral ischemia. These rats were then subjected to isolation-housing combined with chronic unpredictable mild stress to generate a model of post-stroke depression. A BDNF gene lentiviral vector was injected into the hippocampus. At 7 days after injection, western blot assay and real-time quantitative PCR revealed that BDNF expression in the hippocampus was increased in depressive rats injected with BDNF lentivirus compared with depressive rats injected with control vector. Furthermore, sucrose solution consumption was higher, and horizontal and vertical movement scores were increased in the open field test in these rats as well. These findings suggest that BDNF overexpression in the hippocampus of post-stroke depressive rats alleviates depression-like behaviors.
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Affiliation(s)
- Hao-Hao Chen
- Medical Molecular Biology Laboratory, School of Medicine, Jinhua Polytechnic, Jinhua, Zhejiang Province, China
| | - Ning Zhang
- Medical Molecular Biology Laboratory, School of Medicine, Jinhua Polytechnic, Jinhua, Zhejiang Province, China
| | - Wei-Yun Li
- Institute of Neuroscience, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Ma-Rong Fang
- Institute of Neuroscience, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Hui Zhang
- Center of Experimental Animals, Jinhua Food and Drug Administration, Jinhua, Zhejiang Province, China
| | - Yuan-Shu Fang
- Center of Experimental Animals, Jinhua Food and Drug Administration, Jinhua, Zhejiang Province, China
| | - Ming-Xing Ding
- Medical Molecular Biology Laboratory, School of Medicine, Jinhua Polytechnic, Jinhua, Zhejiang Province, China
| | - Xiao-Yan Fu
- Medical Molecular Biology Laboratory, School of Medicine, Jinhua Polytechnic, Jinhua, Zhejiang Province, China
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26
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Şahin TD, Karson A, Balcı F, Yazır Y, Bayramgürler D, Utkan T. TNF-alpha inhibition prevents cognitive decline and maintains hippocampal BDNF levels in the unpredictable chronic mild stress rat model of depression. Behav Brain Res 2015; 292:233-40. [DOI: 10.1016/j.bbr.2015.05.062] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Revised: 05/18/2015] [Accepted: 05/20/2015] [Indexed: 01/08/2023]
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27
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Lee CH, Park JH, Cho JH, Ahn JH, Bae EJ, Won MH. Differences in the protein expression levels of Trx2 and Prx3 in the hippocampal CA1 region between adult and aged gerbils following transient global cerebral ischemia. Mol Med Rep 2015; 12:2555-62. [PMID: 25955690 PMCID: PMC4464438 DOI: 10.3892/mmr.2015.3760] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Accepted: 04/15/2015] [Indexed: 11/25/2022] Open
Abstract
The thioredoxin (Trx) and peroxiredoxin (Prx) redox system is associated with neuronal damage and neuroprotective effects via the regulation of oxidative stress in brain ischemia. In the present study, ischemia-induced changes in the protein expression levels of Trx2 and Prx3 in the stratum pyramidale (SP) of the hippocampal CA1 region were investigated in adult and aged gerbils, subjected to 5 min of transient global cerebral ischemia, using immunohistochemistry and western blot analysis. In the adult ischemia-group, minimal Trx2 immunoreactivity was detected in the SP 2 days after ischemia-reperfusion. In the aged animals, the Trx2 immunoreactivity in the sham-group was marginally lower compared with that in the adult sham-group. In the aged ischemia-group, Trx2 immunoreactivity in the SP was significantly higher 1, 2 and 4 days post-ischemia, compared with that in the adult ischemia-group and, in the 5 days post-ischemia group, Trx2 immunoreactivity was significantly decreased in the SP. Prx3 immunoreactivity in the SP of the adult ischemia-group was significantly decreased from 4 days after ischemia-reperfusion. In the aged animals, Prx3 immunoreactivity in the sham-group was also marginally lower compared with that in the adult sham-group. Prx3 immunoreactivity in the aged ischemia-group was also significantly higher 1, 2 and 4 days post-ischemia, compared with the adult ischemia-group; however, the Prx3 immunoreactivity was significantly decreased 5 days post-ischemia. The western blot analyses revealed that the pattern of changes in the protein levels of Trx2 and Prx3 in the adult and aged hippocampal CA1 region following ischemic damage were similar to the results obtained in the immunohistochemical data. These findings indicated that cerebral ischemia lead to different protein expression levels of Trx2 and Prx3 in the hippocampal CA1 region between adult and aged gerbils, and these differences may be associated with more delayed neuronal death in the aged gerbil hippocampus following transient global cerebral ischemia.
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Affiliation(s)
- Choong Hyun Lee
- Department of Pharmacy, College of Pharmacy, Dankook University, Cheonan, South Chungcheong 330‑714, Republic of Korea
| | - Joon Ha Park
- Department of Neurobiology, School of Medicine, Kangwon National University, Chuncheon, Gangwon 200-701, Republic of Korea
| | - Jeong-Hwi Cho
- Department of Neurobiology, School of Medicine, Kangwon National University, Chuncheon, Gangwon 200-701, Republic of Korea
| | - Ji Hyeon Ahn
- Department of Neurobiology, School of Medicine, Kangwon National University, Chuncheon, Gangwon 200-701, Republic of Korea
| | - Eun Joo Bae
- Department of Pediatrics, Chuncheon Sacred Heart Hospital, College of Medicine, Hallym University, Chuncheon, Gangwon 200-702, Republic of Korea
| | - Moo-Ho Won
- Department of Neurobiology, School of Medicine, Kangwon National University, Chuncheon, Gangwon 200-701, Republic of Korea
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28
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Lyons DN, Kniffin TC, Zhang LP, Danaher RJ, Miller CS, Bocanegra JL, Carlson CR, Westlund KN. Trigeminal Inflammatory Compression (TIC) injury induces chronic facial pain and susceptibility to anxiety-related behaviors. Neuroscience 2015; 295:126-38. [PMID: 25818051 DOI: 10.1016/j.neuroscience.2015.03.051] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 03/19/2015] [Accepted: 03/20/2015] [Indexed: 11/26/2022]
Abstract
Our laboratory previously developed a novel neuropathic and inflammatory facial pain model for mice referred to as the Trigeminal Inflammatory Compression (TIC) model. Rather than inducing whole nerve ischemia and neuronal loss, this injury induces only slight peripheral nerve demyelination triggering long-term mechanical allodynia and cold hypersensitivity on the ipsilateral whisker pad. The aim of the present study is to further characterize the phenotype of the TIC injury model using specific behavioral assays (i.e. light-dark box, open field exploratory activity, and elevated plus maze) to explore pain- and anxiety-like behaviors associated with this model. Our findings determined that the TIC injury produces hypersensitivity 100% of the time after surgery that persists at least 21 weeks post injury (until the animals are euthanized). Three receptive field sensitivity pattern variations in mice with TIC injury are specified. Animals with TIC injury begin displaying anxiety-like behavior in the light-dark box preference and open field exploratory tests at week eight post injury as compared to sham and naïve animals. Panic anxiety-like behavior was shown in the elevated plus maze in mice with TIC injury if the test was preceded with acoustic startle. Thus, in addition to mechanical and cold hypersensitivity, the present study identified significant anxiety-like behaviors in mice with TIC injury resembling the clinical symptomatology and psychosocial impairments of patients with chronic facial pain. Overall, the TIC injury model's chronicity, reproducibility, and reliability in producing pain- and anxiety-like behaviors demonstrate its usefulness as a chronic neuropathic facial pain model.
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Affiliation(s)
- D N Lyons
- Department of Physiology, University of Kentucky, United States
| | - T C Kniffin
- Department of Psychology, University of Kentucky, United States
| | - L P Zhang
- Department of Physiology, University of Kentucky, United States
| | - R J Danaher
- Departmentof Oral Health Practice, University of Kentucky, United States
| | - C S Miller
- Departmentof Oral Health Practice, University of Kentucky, United States
| | - J L Bocanegra
- Departmentof Oral Health Practice, University of Kentucky, United States
| | - C R Carlson
- Department of Psychology, University of Kentucky, United States
| | - K N Westlund
- Department of Physiology, University of Kentucky, United States.
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29
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Zhang Z, Fei P, Mu J, Wang H, Li W, Song J. Decreased expression of neuronal Per-Arnt-Sim domain protein 4 gene in the hippocampus of a post-stroke depression rat model. Exp Ther Med 2014; 7:1045-1049. [PMID: 24669275 PMCID: PMC3964933 DOI: 10.3892/etm.2014.1537] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Accepted: 02/07/2014] [Indexed: 11/29/2022] Open
Abstract
Neuronal Per-Arnt-Sim domain protein 4 (NPAS4) is important in regulating transcription and function in the limbic system and in brain development. Post-stroke depression (PSD) is a common complication following a stroke. Furthermore, organic damage as a result of a stroke affects the restoration of nerve function and indicates that hippocampal neural activity may be associated with PSD. A PSD rat model was established via a middle cerebral artery occlusion procedure, which was combined with isolation and chronic unexpected mild stress, and was used to investigate the expression of the NPAS4 gene in the hippocampus. The neurological deficit and behavior were evaluated and NPAS4 mRNA expression was measured by semi-quantitative reverse transcription-polymerase chain reaction; furthermore, the association with cognitive impairment was analyzed. The PSD rats displayed neuropsychopathic disorders and the NPAS4 mRNA expression levels in the hippocampus were significantly lower in the depression and PSD groups compared with the control group. Therefore, the present study identified that NPAS4 expression was decreased in the hippocampus of PSD rats.
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Affiliation(s)
- Zhaohui Zhang
- Department of Psychosomatic Medicine, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China ; Department of Neurology, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China
| | - Pengge Fei
- Department of Neurology, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China ; The Henan Key Lab of Biological Psychiatry, Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China
| | - Junlin Mu
- Department of Psychosomatic Medicine, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China ; The Henan Key Lab of Biological Psychiatry, Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China
| | - Haoliang Wang
- Department of Neurology, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China ; The Henan Key Lab of Biological Psychiatry, Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China
| | - Wenqiang Li
- The Henan Key Lab of Biological Psychiatry, Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China
| | - Jinggui Song
- Department of Neurology, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China ; The Henan Key Lab of Biological Psychiatry, Xinxiang Medical University, Xinxiang, Henan 453002, P.R. China
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30
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Ito K, Hirooka Y, Sunagawa K. Brain sigma-1 receptor stimulation improves mental disorder and cardiac function in mice with myocardial infarction. J Cardiovasc Pharmacol 2013; 62:222-8. [PMID: 23615161 DOI: 10.1097/fjc.0b013e3182970b15] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Mental disorder after myocardial infarction (MI) is reported by many epidemiological studies and is associated with a poor prognosis. The reduction of brain sigma-1 receptor (S1R) plays an important role in the pathogenesis of mental disorder, and we recently demonstrated that the reduction of brain S1R causes sympathoexcitation. However, the role of brain S1R in the association between MI and mental disorder, such as depression or cognitive impairment, remains unclear. To investigate this, we performed left coronary artery ligation on mice to produce an MI model (MI-mice). Compared with sham-operated controls (Sham-mice), MI-mice showed augmented sympathetic activity, decreased cardiac function, and lower S1R expression in both the hypothalamus and hippocampus. Furthermore, MI-mice displayed decreased Y-maze spontaneous alternation (a maker of spatial working memory), decreased circadian variation in locomotor activity, and increased immobility time in the tail suspension test (markers of depression-like behavior). Intracerebroventricular infusion of the S1R agonist PRE084 in MI-mice improved both mental disorder and cardiac function with lowered sympathetic activity and the recovery of the S1R expression in both the hypothalamus and hippocampus. These results indicate that brain S1R is decreased in MI-mice and that this plays an important role in the coexistence of increased heart failure via sympathoexcitation and mental disorders, such as depression or cognitive impairment.
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Affiliation(s)
- Koji Ito
- Department of Cardiovascular Medicine, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan.
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31
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Zhang Z, Fei P, Mu J, Li W, Song J. Hippocampal expression of aryl hydrocarbon receptor nuclear translocator 2 and neuronal PAS domain protein 4 in a rat model of depression. Neurol Sci 2013; 35:277-82. [DOI: 10.1007/s10072-013-1505-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Accepted: 07/08/2013] [Indexed: 11/27/2022]
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