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Morén C, Treder N, Martínez-Pinteño A, Rodríguez N, Arbelo N, Madero S, Gómez M, Mas S, Gassó P, Parellada E. Systematic Review of the Therapeutic Role of Apoptotic Inhibitors in Neurodegeneration and Their Potential Use in Schizophrenia. Antioxidants (Basel) 2022; 11:2275. [PMID: 36421461 PMCID: PMC9686909 DOI: 10.3390/antiox11112275] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 09/15/2023] Open
Abstract
Schizophrenia (SZ) is a deleterious brain disorder affecting cognition, emotion and reality perception. The most widely accepted neurochemical-hypothesis is the imbalance of neurotransmitter-systems. Depleted GABAergic-inhibitory function might produce a regionally-located dopaminergic and glutamatergic-storm in the brain. The dopaminergic-release may underlie the positive psychotic-symptoms while the glutamatergic-release could prompt the primary negative symptoms/cognitive deficits. This may occur due to excessive synaptic-pruning during the neurodevelopmental stages of adolescence/early adulthood. Thus, although SZ is not a neurodegenerative disease, it has been suggested that exaggerated dendritic-apoptosis could explain the limited neuroprogression around its onset. This apoptotic nature of SZ highlights the potential therapeutic action of anti-apoptotic drugs, especially at prodromal stages. If dysregulation of apoptotic mechanisms underlies the molecular basis of SZ, then anti-apoptotic molecules could be a prodromal therapeutic option to halt or prevent SZ. In fact, risk alleles related in apoptotic genes have been recently associated to SZ and shared molecular apoptotic changes are common in the main neurodegenerative disorders and SZ. PRISMA-guidelines were considered. Anti-apoptotic drugs are commonly applied in classic neurodegenerative disorders with promising results. Despite both the apoptotic-hallmarks of SZ and the widespread use of anti-apoptotic targets in neurodegeneration, there is a strikingly scarce number of studies investigating anti-apoptotic approaches in SZ. We analyzed the anti-apoptotic approaches conducted in neurodegeneration and the potential applications of such anti-apoptotic therapies as a promising novel therapeutic strategy, especially during early stages.
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Affiliation(s)
- Constanza Morén
- Barcelona Clínic Schizophrenia Unit (BCSU), Institute of Neuroscience, Psychiatry and Psychology Service, Hospital Clínic of Barcelona, University of Barcelona, 08036 Barcelona, Spain
- Clinical and Experimental Neuroscience Area, The August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- U722 Group, Centro de Investigación Biomédica en Red de Enfermedades Raras, CIBERER, Carlos III Health Institute, 28029 Madrid, Spain
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
| | - Nina Treder
- Faculty of Psychology and Neuroscience, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Albert Martínez-Pinteño
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
| | - Natàlia Rodríguez
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
| | - Néstor Arbelo
- Barcelona Clínic Schizophrenia Unit (BCSU), Institute of Neuroscience, Psychiatry and Psychology Service, Hospital Clínic of Barcelona, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
| | - Santiago Madero
- Barcelona Clínic Schizophrenia Unit (BCSU), Institute of Neuroscience, Psychiatry and Psychology Service, Hospital Clínic of Barcelona, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
| | - Marta Gómez
- Barcelona Clínic Schizophrenia Unit (BCSU), Institute of Neuroscience, Psychiatry and Psychology Service, Hospital Clínic of Barcelona, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
- Department of Psychiatry, Servizo Galego de Saúde (SERGAS), 36001 Pontevedra, Spain
| | - Sergi Mas
- Clinical and Experimental Neuroscience Area, The August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
| | - Patricia Gassó
- Clinical and Experimental Neuroscience Area, The August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
| | - Eduard Parellada
- Barcelona Clínic Schizophrenia Unit (BCSU), Institute of Neuroscience, Psychiatry and Psychology Service, Hospital Clínic of Barcelona, University of Barcelona, 08036 Barcelona, Spain
- Clinical and Experimental Neuroscience Area, The August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
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Beeraka NM, Avila-Rodriguez MF, Aliev G. Recent Reports on Redox Stress-Induced Mitochondrial DNA Variations, Neuroglial Interactions, and NMDA Receptor System in Pathophysiology of Schizophrenia. Mol Neurobiol 2022; 59:2472-2496. [PMID: 35083660 DOI: 10.1007/s12035-021-02703-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 12/14/2021] [Indexed: 10/19/2022]
Abstract
Schizophrenia (SZ) is a chronic psychiatric disorder affecting several people worldwide. Mitochondrial DNA (mtDNA) variations could invoke changes in the OXPHOS system, calcium buffering, and ROS production, which have significant implications for glial cell survival during SZ. Oxidative stress has been implicated in glial cells-mediated pathogenesis of SZ; the brain comparatively more prone to oxidative damage through NMDAR. A confluence of scientific evidence points to mtDNA alterations, Nrf2 signaling, dynamic alterations in dorsolateral prefrontal cortex (DLPFC), and provocation of oxidative stress that enhance pathophysiology of SZ. Furthermore, the alterations in excitatory signaling related to NMDAR signaling were particularly reported for SZ pathophysiology. Current review reported the recent evidence for the role of mtDNA variations and oxidative stress in relation to pathophysiology of SZ, NMDAR hypofunction, and glutathione deficiency. NMDAR system is influenced by redox dysregulation in oxidative stress, inflammation, and antioxidant mediators. Several studies have demonstrated the relationship of these variables on severity of pathophysiology in SZ. An extensive literature search was conducted using Medline, PubMed, PsycINFO, CINAHL PLUS, BIOSIS Preview, Google scholar, and Cochrane databases. We summarize consistent evidence pointing out a plausible model that may elucidate the crosstalk between mtDNA alterations in glial cells and redox dysregulation during oxidative stress and the perturbation of NMDA neurotransmitter system during current therapeutic modalities for the SZ treatment. This review can be beneficial for the development of promising novel diagnostics, and therapeutic modalities by ascertaining the mtDNA variations, redox state, and efficacy of pharmacological agents to mitigate redox dysregulation and augment NMDAR function to treat cognitive and behavioral symptoms in SZ.
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Affiliation(s)
- Narasimha M Beeraka
- Department of Human Anatomy, I M Sechenov First Moscow State Medical University (Sechenov University), St. Trubetskaya, 8, bld. 2, Moscow, 119991, Russia.
| | - Marco F Avila-Rodriguez
- Faculty of Health Sciences, Department of Clinical Sciences, Barrio Santa Helena, University of Tolima, 730006, Ibagué, Colombia
| | - Gjumrakch Aliev
- Department of Human Anatomy, I M Sechenov First Moscow State Medical University (Sechenov University), St. Trubetskaya, 8, bld. 2, Moscow, 119991, Russia.,Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka, Moscow Region, 142432, Russia.,Research Institute of Human Morphology, 3 Tsyurupy Street, Moscow, 117418, Russia.,GALLY International Research Institute, 7733 Louis Pasteur Drive, #330, San Antonio, TX, 78229, USA
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Guo B, Chen C, Yang L, Zhu R. Effects of dexmedetomidine on postoperative cognitive function of sleep deprivation rats based on changes in inflammatory response. Bioengineered 2021; 12:7920-7928. [PMID: 34622713 PMCID: PMC8806679 DOI: 10.1080/21655979.2021.1981757] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
We aimed to assess the effects of dexmedetomidine (DEX) on postoperative cognitive function of sleep deprivation (SD) rats based on changes in inflammatory response. Male rats were randomly divided into blank control (C), SD, DEX, and SD+DEX groups. The SD model was established through intraperitoneal injection of DEX. The escape latency was detected through Morris water maze test daily, and the mechanical withdrawal threshold and thermal withdrawal latency were detected for 8 d. The content of malondialdehyde (MDA) and activity of superoxide dismutase (SOD) in hippocampus homogenate were determined, and the morphological changes in neurons were detected through Nissl staining. The concentration of interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), and IL-6 in the hippocampus was detected by enzyme-linked immunosorbent assay, and the Rac1/protein kinase B (AKT)/nuclear factor-κB (NF-κB) expressions were detected by Western blotting. The changes in immunofluorescence localization of NF-κB were observed by confocal microscopy. Compared with SD group, the escape latency was shortened, original platform-crossing times increased, MDA content declined, SOD activity rose, neurons were arranged orderly and number of Nissl bodies increased in the hippocampal CA1 region, levels of IL-1β, TNF-α, and IL-6 in the hippocampus decreased, Rac1/AKT/NF-κB expressions were down-regulated, and proportion of NF-κB entering the nucleus declined in SD+DEX group (P < 0.05). DEX can effectively alleviate postoperative hippocampal inflammation and improve cognitive function of SD rats. The ability of DEX to relieve oxidative stress of hippocampal neurons, restore damaged cells, and reduce hippocampal inflammation in SD rats may be related to the Rac1/AKT/NF-κB pathway.
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Affiliation(s)
- Bin Guo
- Department of Anesthesiology, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Chan Chen
- Department of Anesthesiology, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lin Yang
- Department of Anesthesiology, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Rong Zhu
- Department of Anesthesiology, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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Okechukwu C. Deciphering and manipulating the epigenome for the treatment of Parkinson’s and Alzheimer’s disease. MGM JOURNAL OF MEDICAL SCIENCES 2021. [DOI: 10.4103/mgmj.mgmj_90_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Hayashida M, Hashioka S, Hayashida K, Miura S, Tsuchie K, Araki T, Izuhara M, Kanayama M, Otsuki K, Nagahama M, Jaya MA, Arauchi R, Wake R, Oh-Nishi A, Horiguchi J, Miyaoka T, Inagaki M, Morita E. Low Serum Levels of Fibroblast Growth Factor 2 in Gunn Rats: A Hyperbilirubinemia Animal Model of Schizophrenic Symptoms. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2020; 19:503-508. [PMID: 32729434 DOI: 10.2174/1871527319999200729153907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 06/06/2020] [Accepted: 06/07/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Fibroblast Growth Factor (FGF) 2 (also referred to as basic FGF) is a multifunctional growth factor that plays a pivotal role in the pro-survival, pro-migration and prodifferentiation of neurons. METHOD Because alterations in FGF2 levels are suggested to contribute to the pathogenesis of schizophrenia, we investigated serum levels of FGF2 in the Gunn rat, a hyperbilirubinemia animal model of schizophrenic symptoms. RESULTS The enzyme-linked immunosorbent assay showed that the serum levels of FGF2 in Gunn rats were 5.09 ± 0.236 pg/mL, while those in the normal strain Wistar rats, serum levels were 11.90 ± 2.142 pg/mL. The serum FGF2 levels in Gunn rats were significantly lower than those in Wistar rats. We also measured serum levels of Unconjugated Bilirubin (UCB) and found a significant negative correlation between UCB and FGF2 in terms of serum levels in all the rats studied. CONCLUSION Since it is known that FGF2 regulates dopaminergic neurons and have antineuroinflammatory effects, our finding suggests that low FGF2 levels may contribute to the pathogenesis of schizophrenia, in which imbalanced dopamin-ergic signaling and neuroinflammation are supposed to play certain roles.
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Affiliation(s)
- Maiko Hayashida
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Sadayuki Hashioka
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Kenji Hayashida
- Division of Plastic Surgery, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Shoko Miura
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Keiko Tsuchie
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Tomoko Araki
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Muneto Izuhara
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Misako Kanayama
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Koji Otsuki
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Michiharu Nagahama
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Muhammad Alim Jaya
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Ryosuke Arauchi
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Rei Wake
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Arata Oh-Nishi
- Department of Immuno-Neuropsychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Jun Horiguchi
- Department of Immuno-Neuropsychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Tsuyoshi Miyaoka
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Masatoshi Inagaki
- Department of Psychiatry, Faculty of Medicine, Shimane University, Matsue, Japan
| | - Eishin Morita
- Department of Dermatology, Faculty of Medicine, Shimane University, Matsue, Japan
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Chronic administration of quetiapine attenuates the phencyclidine-induced recognition memory impairment and hippocampal oxidative stress in rats. Neuroreport 2019; 29:1099-1103. [PMID: 30036204 DOI: 10.1097/wnr.0000000000001078] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The underlying mechanism of atypical antipsychotics in treating cognitive impairment in schizophrenia is unclear. The aim of the present study was to evaluate the effects of quetiapine, an atypical antipsychotic drug, on object recognition memory and hippocampal oxidative stress in a phencyclidine (PCP) rat model of schizophrenia. Rats were treated with chronic quetiapine (10 mg/kg/day, intraperitoneally) for 16 days or acute quetiapine (10 mg/kg/day, intraperitoneally) on day 16. On day 16, 1 h after the administration of quetiapine, the rats were administered PCP (50 mg/kg, subcutaneously). After the last object recognition behavioral test on day 18, the rats were killed for the measurement of hippocampal protein expression of nitrotyrosine, a protein marker of oxidative stress. The results showed that chronic quetiapine significantly attenuated object recognition memory impairment and hippocampal oxidative stress in the PCP-injected rats. These suggest that the attenuating effect of chronic quetiapine on hippocampal oxidative stress may be related to quetiapine's beneficial effects on object recognition memory in PCP rats, and further suggest that neuroprotective mechanisms are involved in chronic quetiapine treatment.
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Gu YY, Shi L, Zhang DD, Huang X, Chen DZ. Metabonomics delineates allergic reactions induced by Shuang-huang-lian injection in rats using ultra performance liquid chromatography-mass spectrometry. Chin J Nat Med 2018; 16:628-640. [PMID: 30197129 DOI: 10.1016/s1875-5364(18)30101-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Indexed: 12/19/2022]
Abstract
Shuang-huang-lian Injection (SHLI) is the first successfully developed drug from traditional Chinese medicine (TCM) powder for injection, since its use for the treatment of acute respiratory tract infection, pneumonia, influenza, etc. At the same time, its allergic reactions have also emerged, which limits clinical applications. However, few scholars pay attention to the mechanism of allergic reactions. In this present study, metabonomics technology was used to explore the changes in endogenous metabolites in urine of the rat model of SHLI induced allergic reaction; we and analyzed the metabolites, metabolic pathway, and the mechanism which were closely related to the allergic reactions. The levels of serum histamine and tryptase were examined and changes in histomorphology were also observed. Based on the UPLC-Q-TOF/MS metabonomics, we carried out the pattern recognition analysis, selected potential biomarkers associated with allergic reactions, and explored the pathological mechanism for SHLI induced allergic reaction, which laid the foundation for the safety research of SHLI. Our results showed that SHLI increased the levels of serum histamine and tryptase in rats with allergic reaction; we determined 15 biomarkers in rat allergic reaction model induced by SHLI and found multiple metabolic pathways involved, such as metabolism of linolenic acid, phenylalanine, amino acid, 2-oxo acid, and purine and other metabolic pathways.
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Affiliation(s)
- Yuan-Yuan Gu
- Research Institute of Traditional Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Lang Shi
- First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Dan-Dan Zhang
- Research Institute of Traditional Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Xin Huang
- First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Da-Zhong Chen
- Research Institute of Traditional Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin 150040, China.
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Liu W, Mu F, Liu T, Xu H, Chen J, Jia N, Zhang Y, Dou F, Shi L, Li Y, Wen A, Ding Y. Ultra Performance Liquid Chromatography/Quadrupole Time-of-Flight Mass Spectrometry-Based Metabonomics Reveal Protective Effect of Terminalia chebula Extract on Ischemic Stroke Rats. Rejuvenation Res 2018; 21:541-552. [PMID: 29804491 DOI: 10.1089/rej.2018.2082] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Terminalia chebula (TC), a kind of Combretaceae, is a widely used herb in India and East Asia to treat cerebrovascular diseases. However, the potential mechanism of the neuroprotective effects of TC at the metabonomics level is still not clear. The present study focused on the effects of TC on metabonomics in a stroke model. Rats were divided randomly into sham, model, and TC groups. Rats in the TC group were intragastrically administered with TC for 7 days after a middle cerebral artery occlusion (MCAO) operation. The sham and the model groups received vehicle for the same length of time. Subsequently, the neuroprotective effects of TC were examined by evaluation of neurological defects, assessment of infarct volume, and identification of biochemical indicators for antioxidant and anti-inflammatory activities. Further, metabonomics technology was employed to evaluate the endogenous metabolites profiling systematically. Consist with the results of biochemical and histopathological assays, pattern recognition analysis showed a clear separation of the model group and the sham group, indicating the recovery impact of TC on the MCAO rats. Moreover, 12 potential biomarkers were identified in the MCAO model group, involving energy (lactic acid, succinic acid, and fumarate), amino acids (leucine, alanine, and phenylalanine), and glycerophospholipid (PC [16:0/20:4], PC [20:4/20:4], LysoPC [18:0], and LysoPC [16:0]) metabolism, as well as other types of metabolism (arachidonic acid and palmitoylcarnitine). Notably, it was found that metabolite levels of TC group were partially reversed to normal. In conclusion, TC could ameliorate MCAO in rats by affecting energy metabolism (glycolysis and the TCA cycle), amino acid metabolism, glycerophospholipid metabolism, and other types of metabolism.
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Affiliation(s)
- Wenxing Liu
- 1 Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Fei Mu
- 1 Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Tianlong Liu
- 1 Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Hang Xu
- 1 Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Jianzong Chen
- 2 Research Center of Traditional Chinese Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Na Jia
- 1 Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Yikai Zhang
- 1 Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China.,3 Department of Biochemistry, Shaanxi Institute of Medical Device Quality Supervision and Inspection, Xi'an, China
| | - Fang Dou
- 1 Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Lei Shi
- 4 Department of Pharmacy, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, China
| | - Yuwen Li
- 1 Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - AiDong Wen
- 1 Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Yi Ding
- 1 Department of Pharmacy, Xijing Hospital, the Fourth Military Medical University, Xi'an, China.,4 Department of Pharmacy, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, China
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Zhang Y, Yuan S, Pu J, Yang L, Zhou X, Liu L, Jiang X, Zhang H, Teng T, Tian L, Xie P. Integrated Metabolomics and Proteomics Analysis of Hippocampus in a Rat Model of Depression. Neuroscience 2018; 371:207-220. [DOI: 10.1016/j.neuroscience.2017.12.001] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 11/29/2017] [Accepted: 12/02/2017] [Indexed: 02/06/2023]
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Wesseling H, Elgersma Y, Bahn S. A brain proteomic investigation of rapamycin effects in the Tsc1+/- mouse model. Mol Autism 2017; 8:41. [PMID: 28775826 PMCID: PMC5540199 DOI: 10.1186/s13229-017-0151-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Accepted: 06/14/2017] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Tuberous sclerosis complex (TSC) is a rare monogenic disorder characterized by benign tumors in multiple organs as well as a high prevalence of epilepsy, intellectual disability and autism. TSC is caused by inactivating mutations in the TSC1 or TSC2 genes. Heterozygocity induces hyperactivation of mTOR which can be inhibited by mTOR inhibitors, such as rapamycin, which have proven efficacy in the treatment of TSC-associated symptoms. The aim of the present study was (1) to identify molecular changes associated with social and cognitive deficits in the brain tissue of Tsc1+/- mice and (2) to investigate the molecular effects of rapamycin treatment, which has been shown to ameliorate genotype-related behavioural deficits. METHODS Molecular alterations in the frontal cortex and hippocampus of Tsc1+/- and control mice, with or without rapamycin treatment, were investigated. A quantitative mass spectrometry-based shotgun proteomic approach (LC-MSE) was employed as an unbiased method to detect changes in protein levels. Changes identified in the initial profiling stage were validated using selected reaction monitoring (SRM). Protein Set Enrichment Analysis was employed to identify dysregulated pathways. RESULTS LC-MSE analysis of Tsc1+/- mice and controls (n = 30) identified 51 proteins changed in frontal cortex and 108 in the hippocampus. Bioinformatic analysis combined with targeted proteomic validation revealed several dysregulated molecular pathways. Using targeted assays, proteomic alterations in the hippocampus validated the pathways "myelination", "dendrite," and "oxidative stress", an upregulation of ribosomal proteins and the mTOR kinase. LC-MSE analysis was also employed on Tsc1+/- and wildtype mice (n = 34) treated with rapamycin or vehicle. Rapamycin treatment exerted a stronger proteomic effect in Tsc1+/- mice with significant changes (mainly decreased expression) in 231 and 106 proteins, respectively. The cellular pathways "oxidative stress" and "apoptosis" were found to be affected in Tsc1+/- mice and the cellular compartments "myelin sheet" and "neurofilaments" were affected by rapamycin treatment. Thirty-three proteins which were altered in Tsc1+/- mice were normalized following rapamycin treatment, amongst them oxidative stress related proteins, myelin-specific and ribosomal proteins. CONCLUSIONS Molecular changes in the Tsc1+/- mouse brain were more prominent in the hippocampus compared to the frontal cortex. Pathways linked to myelination and oxidative stress response were prominently affected and, at least in part, normalized following rapamycin treatment. The results could aid in the identification of novel drug targets for the treatment of cognitive, social and psychiatric symptoms in autism spectrum disorders. Similar pathways have also been implicated in other psychiatric and neurodegenerative disorders and could imply similar disease processes. Thus, the potential efficacy of mTOR inhibitors warrants further investigation not only for autism spectrum disorders but also for other neuropsychiatric and neurodegenerative diseases.
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Affiliation(s)
- Hendrik Wesseling
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QT UK
| | - Ype Elgersma
- Department of Neuroscience, Erasmus Medical Center, Rotterdam, 3000 CA The Netherlands
| | - Sabine Bahn
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QT UK
- Department of Neuroscience, Erasmus Medical Center, Rotterdam, 3000 CA The Netherlands
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Generation of the Acute Phencyclidine Rat Model for Proteomic Studies of Schizophrenia. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 974:257-261. [DOI: 10.1007/978-3-319-52479-5_23] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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12
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Cox DA, Gottschalk MG, Wesseling H, Ernst A, Cooper JD, Bahn S. Proteomic systems evaluation of the molecular validity of preclinical psychosis models compared to schizophrenia brain pathology. Schizophr Res 2016; 177:98-107. [PMID: 27335180 DOI: 10.1016/j.schres.2016.06.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 06/06/2016] [Accepted: 06/09/2016] [Indexed: 12/16/2022]
Abstract
Pharmacological and genetic rodent models of schizophrenia play an important role in the drug discovery pipeline, but quantifying the molecular similarity of such models with the underlying human pathophysiology has proved difficult. We developed a novel systems biology methodology for the direct comparison of anterior prefrontal cortex tissue from four established glutamatergic rodent models and schizophrenia patients, enabling the evaluation of which model displays the greatest similarity to schizophrenia across different pathophysiological characteristics of the disease. Liquid chromatography coupled tandem mass spectrometry (LC-MSE) proteomic profiling was applied comparing healthy and "disease state" in human post-mortem samples and rodent brain tissue samples derived from models based on acute and chronic phencyclidine (PCP) treatment, ketamine treatment or NMDA receptor knockdown. Protein-protein interaction networks were constructed from significant abundance changes and enrichment analyses enabled the identification of five functional domains of the disease such as "development and differentiation", which were represented across all four rodent models and were thus subsequently used for cross-species comparison. Kernel-based machine learning techniques quantified that the chronic PCP model represented schizophrenia brain changes most closely for four of these functional domains. This is the first study aiming to quantify which rodent model recapitulates the neuropathological features of schizophrenia most closely, providing an indication of face validity as well as potential guidance in the refinement of construct and predictive validity. The methodology and findings presented here support recent efforts to overcome translational hurdles of preclinical psychiatric research by associating functional dimensions of behaviour with distinct biological processes.
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Affiliation(s)
- David A Cox
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB2 1QT, United Kingdom
| | - Michael G Gottschalk
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB2 1QT, United Kingdom
| | - Hendrik Wesseling
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB2 1QT, United Kingdom
| | - Agnes Ernst
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB2 1QT, United Kingdom
| | - Jason D Cooper
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB2 1QT, United Kingdom
| | - Sabine Bahn
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB2 1QT, United Kingdom.
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Broek JAC, Lin Z, de Gruiter HM, van 't Spijker H, Haasdijk ED, Cox D, Ozcan S, van Cappellen GWA, Houtsmuller AB, Willemsen R, de Zeeuw CI, Bahn S. Synaptic vesicle dynamic changes in a model of fragile X. Mol Autism 2016; 7:17. [PMID: 26933487 PMCID: PMC4772588 DOI: 10.1186/s13229-016-0080-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 02/20/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Fragile X syndrome (FXS) is a single-gene disorder that is the most common heritable cause of intellectual disability and the most frequent monogenic cause of autism spectrum disorders (ASD). FXS is caused by an expansion of trinucleotide repeats in the promoter region of the fragile X mental retardation gene (Fmr1). This leads to a lack of fragile X mental retardation protein (FMRP), which regulates translation of a wide range of messenger RNAs (mRNAs). The extent of expression level alterations of synaptic proteins affected by FMRP loss and their consequences on synaptic dynamics in FXS has not been fully investigated. METHODS Here, we used an Fmr1 knockout (KO) mouse model to investigate the molecular mechanisms underlying FXS by monitoring protein expression changes using shotgun label-free liquid-chromatography mass spectrometry (LC-MS(E)) in brain tissue and synaptosome fractions. FXS-associated candidate proteins were validated using selected reaction monitoring (SRM) in synaptosome fractions for targeted protein quantification. Furthermore, functional alterations in synaptic release and dynamics were evaluated using live-cell imaging, and interpretation of synaptic dynamics differences was investigated using electron microscopy. RESULTS Key findings relate to altered levels of proteins involved in GABA-signalling, especially in the cerebellum. Further exploration using microscopy studies found reduced synaptic vesicle unloading of hippocampal neurons and increased vesicle unloading in cerebellar neurons, which suggests a general decrease of synaptic transmission. CONCLUSIONS Our findings suggest that FMRP is a regulator of synaptic vesicle dynamics, which supports the role of FMRP in presynaptic functions. Taken together, these studies provide novel insights into the molecular changes associated with FXS.
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Affiliation(s)
- Jantine A C Broek
- Cambridge Centre for Neuropsychiatric Research, Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Zhanmin Lin
- Department of Neurosciences, Erasmus MC, Rotterdam, The Netherlands
| | | | - Heleen van 't Spijker
- Cambridge Centre for Neuropsychiatric Research, Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Elize D Haasdijk
- Department of Neurosciences, Erasmus MC, Rotterdam, The Netherlands
| | - David Cox
- Cambridge Centre for Neuropsychiatric Research, Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Sureyya Ozcan
- Cambridge Centre for Neuropsychiatric Research, Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | | | | | - Rob Willemsen
- Department of Clinical Genetics, Erasmus MC, Rotterdam, The Netherlands
| | - Chris I de Zeeuw
- Department of Neurosciences, Erasmus MC, Rotterdam, The Netherlands.,Netherlands Institute for Neurosciences, Royal Academy for Arts and Sciences, Amsterdam, The Netherlands
| | - Sabine Bahn
- Cambridge Centre for Neuropsychiatric Research, Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK.,Department of Neurosciences, Erasmus MC, Rotterdam, The Netherlands
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