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Shen Y, Zhou T, Liu X, Liu Y, Li Y, Zeng D, Zhong W, Zhang M. Sevoflurane-Induced miR-211-5p Promotes Neuronal Apoptosis by Inhibiting Efemp2. ASN Neuro 2021; 13:17590914211035036. [PMID: 34730432 PMCID: PMC8819752 DOI: 10.1177/17590914211035036] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Sevoflurane exposure can result in serious neurological side effects including neuronal
apoptosis and cognitive impairment. Although the microRNA miR-211-5p is profoundly
upregulated following sevoflurane exposure in neonatal rodent models, the impact of
miR-211-5p on neuronal apoptosis and cognitive impairment postsevoflurane exposure has not
yet been elucidated. Here, we found that sevoflurane upregulated miR-211-5p and
downregulated EGF-Containing Fibulin Extracellular Matrix Protein 2 (Efemp2, Fibulin-4)
levels in vitro and in vivo. Sevoflurane's effect on miR-211-5p expression was based on
enhancing primary miR-211 transcription. miR-211-5p targets Efemp2's mRNA 3′-untranslated
region, reducing Efemp2 expression. RNA immunoprecipitation revealed significant
enrichment of the miR-211-5p:Efemp2 mRNA dyad in the RNA-induced silencing complex.
miR-211-5p mimics downregulated Efemp2, leading to phosphorylation of Smad2 and Smad3,
upregulation of pro-apoptotic Bim, and mitochondrial release of allograft inflammatory
factor 1 and cytochrome C. In contrast, miR-211-5p hairpin inhibitor (AntimiR-211-5p)
negatively regulated this apoptotic pathway and reduced neuronal apoptosis in an
Efemp2-dependent manner. Sevoflurane-exposed mice administered AntimiR-211-5p displayed
reduced cortical apoptosis levels and near-term cognitive impairment. In conclusion,
sevoflurane-induced miR-211-5p promotes neuronal apoptosis via Efemp2 inhibition. Summary
statement: This study revealed the significance of sevoflurane-induced increases in
miR-211-5p on the promotion of neuronal apoptosis via inhibition of Efemp2 and its
downstream targets.
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Affiliation(s)
- Yousu Shen
- Department of Anaesthesiology, 159384Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Jiangxi, China
| | - Tao Zhou
- Department of Anaesthesiology, 159384Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Jiangxi, China
| | - Xiaobing Liu
- Department of Anaesthesiology, 159384Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Jiangxi, China
| | - Yanlong Liu
- Department of Anaesthesiology, 159384Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Jiangxi, China
| | - Yaqi Li
- Department of Anaesthesiology, 159384Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Jiangxi, China
| | - Dewu Zeng
- Department of Anaesthesiology, 159384Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Jiangxi, China
| | - Wensheng Zhong
- Department of Anaesthesiology, 159384Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Jiangxi, China
| | - Mingsheng Zhang
- Department of Anaesthesiology, 159384Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Jiangxi, China
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Arzua T, Jiang C, Yan Y, Bai X. The importance of non-coding RNAs in environmental stress-related developmental brain disorders: A systematic review of evidence associated with exposure to alcohol, anesthetic drugs, nicotine, and viral infections. Neurosci Biobehav Rev 2021; 128:633-647. [PMID: 34186153 PMCID: PMC8357057 DOI: 10.1016/j.neubiorev.2021.06.033] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 05/23/2021] [Accepted: 06/23/2021] [Indexed: 12/11/2022]
Abstract
Brain development is a dynamic and lengthy process that includes cell proliferation, migration, neurogenesis, gliogenesis, synaptogenesis, and pruning. Disruption of any of these developmental events can result in long-term outcomes ranging from brain structural changes, to cognitive and behavioral abnormality, with the mechanisms largely unknown. Emerging evidence suggests non-coding RNAs (ncRNAs) as pivotal molecules that participate in normal brain development and neurodevelopmental disorders. NcRNAs such as long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) are transcribed from the genome but not translated into proteins. Many ncRNAs have been implicated as tuners of cell fate. In this review, we started with an introduction of the current knowledge of lncRNAs and miRNAs, and their potential roles in brain development in health and disorders. We then reviewed and discussed the evidence of ncRNA involvement in abnormal brain development resulted from alcohol, anesthetic drugs, nicotine, and viral infections. The complex connections among these ncRNAs were also discussed, along with potential overlapping ncRNA mechanisms, possible pharmacological targets for therapeutic/neuroprotective interventions, and potential biomarkers for brain developmental disorders.
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Affiliation(s)
- Thiago Arzua
- Department of Cell Biology, Neurobiology & Anatomy, Medical College of Wisconsin, Milwaukee, WI, 53226, USA; Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Congshan Jiang
- Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Yasheng Yan
- Department of Cell Biology, Neurobiology & Anatomy, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Xiaowen Bai
- Department of Cell Biology, Neurobiology & Anatomy, Medical College of Wisconsin, Milwaukee, WI, 53226, USA; Center of Systems Molecular Medicine, Medical College of Wisconsin, Milwaukee, WI, 53226, USA.
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Yang M, Tan H, Zhang K, Lian N, Yu Y, Yu Y. Protective effects of Coenzyme Q10 against sevoflurane-induced cognitive impairment through regulating apolipoprotein E and phosphorylated Tau expression in young mice. Int J Dev Neurosci 2020; 80:418-428. [PMID: 32473608 DOI: 10.1002/jdn.10041] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/17/2020] [Accepted: 05/22/2020] [Indexed: 01/24/2023] Open
Abstract
Children with multiple exposures to anesthesia and surgery may be more likely to develop the learning disability. Coenzyme Q10 (CoQ10) was reported to reduce the multiple sevoflurane treatment-induced cognitive deficiency in 6-day-old young mice. However, its specific mechanisms have not yet been found. This research aimed to reveal the role of ApoE in the pathogenesis of cognitive deficiency caused by sevoflurane anesthesia and the protective mechanism of CoQ10 in a multiple sevoflurane treatment model of young mice. The mice were randomly divided into four groups: Control + corn oil, Sevoflurane + corn oil, Control + CoQ10, and Sevoflurane + CoQ10. Sevoflurane group mice were anesthetized with 3% sevoflurane and 60% oxygen 2 hr a day for 3 days, while control group mice received only 60% oxygen. Mice received an intraperitoneal injection of 50 mg/kg CoQ10 or the same volume of corn oil 30 min before the inhalation of oxygen or sevoflurane for 3 days. Mice received sevoflurane anesthesia or control treatment from the 6th to 8th day after birth. The cortex and hippocampus were harvested on the 8th day. The ATP, MMP, ApoE mRNA, total ApoE, ApoE fragments, Aβ1-40, Aβ1-42, Tau5, AT8, and PHF levels were detected. The Morris water maze (MWM) tests were performed from P30 to p36 after anesthesia or control treatment. The results indicated that the injection of CoQ10 ahead of sevoflurane treatment could reverse the anesthesia-induced energy deficiency, mitochondrial dysfunction, ApoE, and its fragments expression, Aβ1-42 generation, Tau phosphorylation, and cognitive impairment in young mice. These data reveal that the ApoE and its fragments enhancement may play an important role in the pathogenesis of cognitive deficiency caused by sevoflurane anesthesia. CoQ10 could reduce ApoE expression by improving energy replenishment and mitochondrial functions, thereby alleviating sevoflurane-induced brain damage and cognitive impairment.
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Affiliation(s)
- Man Yang
- Department of Anesthesia, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Institute of Anesthesiology, Tianjin, China
| | - Hong Tan
- Department of Anesthesia, Huashan Hospital, Fudan University, Shanghai, China
| | - Kai Zhang
- Department of Anesthesia, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Institute of Anesthesiology, Tianjin, China
| | - Naqi Lian
- Department of Anesthesia, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Institute of Anesthesiology, Tianjin, China
| | - Yang Yu
- Department of Anesthesia, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Institute of Anesthesiology, Tianjin, China
| | - Yonghao Yu
- Department of Anesthesia, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Institute of Anesthesiology, Tianjin, China
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Zhao X, Jin Y, Li H, Jia Y, Wang Y. Sevoflurane impairs learning and memory of the developing brain through post-transcriptional inhibition of CCNA2 via microRNA-19-3p. Aging (Albany NY) 2019; 10:3794-3805. [PMID: 30540563 PMCID: PMC6326694 DOI: 10.18632/aging.101673] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 11/15/2018] [Indexed: 12/04/2022]
Abstract
The molecular mechanisms underlying sevoflurane (SEVO)-induced impairment of learning and memory remain unclear. Specifically, a role of microRNAs (miRNAs) in the control of the neuron proliferation in the developing brain exposed to SEVO has not been reported previously. Here, we studied the effects of SEVO exposure on the neural cell proliferation, and on the learning and memory of neonatal rats. We found that SEVO exposure significantly decreased neuron cell proliferation, reduced BDNF levels in brain, and impaired learning and memory of neonatal rats in Morris water maze test and Plus-Maze discriminative avoidance task (PM-DAT), likely through downregulation of CCNA2 protein. Next, we used bioinformatic tools to predict CCNA2-binding microRNAs (miRNAs), and found that miR-19-3p was upregulated in neurons exposed to SEVO. Moreover, miR-19-3p functionally inhibited the protein translation of CCNA2 in a human neural cell line, HCN-2. Furthermore, intracranial injection of adeno-associated virus carrying antisense of miR-19-3p under a CMV promoter into the neonatal rats significantly alleviated SEVO exposure-induced impairment of neuron cell proliferation, as well as the learning and memory of the rats. Together, our data suggest that SEVO-induced upregulation of miR-19-3p post-transcriptionally inhibits CCNA2, which contributes to the SEVO-associated impairment of learning and memory of the neonatal rats.
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Affiliation(s)
- Xin Zhao
- Department of Anesthesiology, the Second Hospital of Shandong University, Jinan 250033, China
| | - Yanwu Jin
- Department of Anesthesiology, the Second Hospital of Shandong University, Jinan 250033, China
| | - Haibo Li
- Operating Room, Jinan Central Hospital, Affiliated to Shandong University, Jinan 250013, China
| | - Yuxiu Jia
- Department of Research, the Second Hospital of Shandong University, Jinan 250033, China
| | - Yuelan Wang
- Department of Anesthesiology, Qianfoshan Hospital of Shandong Province, Affiliated to Shandong University, Jinan 250014, China
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Zhang Y, Shan Z, Zhao Y, Ai Y. Sevoflurane prevents miR-181a-induced cerebral ischemia/reperfusion injury. Chem Biol Interact 2019; 308:332-338. [PMID: 31170386 DOI: 10.1016/j.cbi.2019.06.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/19/2019] [Accepted: 06/03/2019] [Indexed: 11/27/2022]
Abstract
BACKGROUND Sevoflurane (sevo) has been reported to be an effective neuroprotective agent in cerebral ischemia/reperfusion injury (CIRI). However, the precise molecular mechanism underlying sevo preconditioning in CIRI remains largely unknown. METHODS A middle cerebral artery occlusion (MCAO) rat model and primary cortical neurons after oxygen-glucose deprivation and reoxygenation (OGDR) were used as the in vivo and in vitro models of CIRI. The expression profiles of miR-181a and X chromosome-linked inhibitor-of-apoptosis protein (XIAP) in the cerebral cortex of rats and in cortical neurons were examined by qRT-PCR and Western blot, respectively. The infarct volumes were measured by TTC staining and neurological deficits in rats was determined by Zea-Longa scoring criteria. The cell viability, lactate dehydrogenase (LDH) release and apoptotic rate were detected in cortical neurons by MTT assay, LDH analysis and flow cytometry. Western blot analysis was performed to assess the expression of apoptosis-related protein. Luciferase reporter assay was used to confirm the interaction between miR-181a and XIAP. RESULTS miR-181a was upregulated and XIAP was downregulated in rats after MCAO. Sevo preconditioning attenuated miR-181a expression and promoted XIAP level in a rat model of CIRI. Sevo preconditioning ameliorated anti-miR-181a-mediated protective effects on cerebral ischemia in rat model of CIRI, presented as the decrease of infarct volume, neurological deficit and apoptosis. Moreover, sevo pretreatment abated miR-181a-induced cellular injury in primary cortical neurons after OGD, embodied by the increase of cell viability, the reduction of LDH release and the decline of apoptosis. Furthermore, miR-181a suppressed XIAP expression by binding to its 3'UTR in cortical neurons, and sevo-mediated increase on XIAP expression was counteracted by miR-181 overexpression in OGDR-treated neurons. CONCLUSION Sevo preconditioning protected against CIRI in vitro and in vivo possibly by inhibiting miR-181a and facilitating XIAP.
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Affiliation(s)
- Yanan Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China
| | - Zhengzheng Shan
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China
| | - Yanling Zhao
- Department of Anesthesiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China
| | - Yanqiu Ai
- Department of Anesthesiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China.
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Yang L, Shen Q, Xia Y, Lei X, Peng J. Sevoflurane‑induced neurotoxicity is driven by OXR1 post‑transcriptional downregulation involving hsa‑miR‑302e. Mol Med Rep 2018; 18:4657-4665. [PMID: 30221705 DOI: 10.3892/mmr.2018.9442] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Accepted: 04/13/2018] [Indexed: 11/05/2022] Open
Abstract
Sevoflurane is a common anesthetic agent used in surgical settings and previous studies have indicated that it exerts a neurotoxic effect. However, the molecular mechanism underlying this side effect is unknown. In addition, the human microRNA‑302 (hsa‑miR‑302) family members have been reported to be involved in neuronal cell development and biology. Thus, the present study aimed to investigate the potential implication of hsa‑miR‑302e in the sevoflurane‑induced cytotoxicity on human hippocampal cells (HN‑h). HN‑h cells were transfected with hsa‑miR‑302e mimic, hsa‑miR‑302e inhibitor or negative controls and subsequently exposed to different concentrations of sevoflurane. An MTT assay was used to assess the cytotoxicity of sevoflurane on HN‑h cells. Cell apoptosis was determined by flow cytometry. The levels of lactate dehydrogenase release, reactive oxygen species, lipid peroxidation and intracellular calcium (Ca2+) were additionally detected. Reverse transcription‑quantitative polymerase chain reaction and western blotting were conducted to determine mRNA and protein expression, respectively. A luciferase assay was performed for validating the targeting of OXR1 by hsa‑miR‑302e. The results indicated that sevoflurane induced a decrease in cell viability, malondialdehyde and reactive oxygen species production, lactate dehydrogenase release, intracellular Ca2+ production, calcium/calmodulin‑dependent protein kinase II phosphorylation and apoptosis. In addition, treatment with sevoflurane induced the expression of hsa‑miR‑302e while the expression of its target, oxidation resistance gene 1 (OXR1), was significantly downregulated. Inhibition of hsa‑miR‑302e expression protected neuronal cells from sevoflurane cytotoxicity. Mechanistic studies demonstrated that OXR1 was a direct target of hsa‑miR‑302e. Furthermore, the overexpression of OXR1 abolished the effect of sevoflurane on neuronal cells. The results of the present study indicated that sevoflurane exerts its neurotoxic effect by regulating the hsa‑miR‑302e/OXR1 axis. Therefore, the manipulation of the hsa‑miR‑302e/OXR1 pathway will be useful for preventing sevoflurane‑induced neurotoxicity.
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Affiliation(s)
- Leilei Yang
- Department of Anesthesiology, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, Hubei 430060, P.R. China
| | - Qian Shen
- Department of Anesthesiology, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, Hubei 430060, P.R. China
| | - Yanqiong Xia
- Department of Anesthesiology, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, Hubei 430060, P.R. China
| | - Xueheng Lei
- Department of Anesthesiology, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, Hubei 430060, P.R. China
| | - Jian Peng
- Department of Anesthesiology, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, Hubei 430060, P.R. China
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Ma L, Zhao J, Xie X. Sevoflurane induces liver injury by modulating the expression of insulin-like growth factor 1 via miR-214. J Cell Physiol 2018; 233:6742-6749. [PMID: 29226348 DOI: 10.1002/jcp.26382] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 12/04/2017] [Indexed: 12/14/2022]
Abstract
This study aimed to detect the effect of sevoflurane anesthesia on liver injury through modulating IGF-1. The expression of IGF-1 and IGF-1R in liver tissues of sevoflurane-exposed rats was examined by qRT-PCR and Western blot. The expression levels of miR-214 in liver cells treated with different concentration of sevoflurane at different time points were detected by qRT-PCR. Enzyme-linked immunosorbent (ELISA) assay was used to analyze serum IGF-1 concentration in cell culture media. After pre-treatment with 100 nM miR-214 inhibitor followed by exposure to sevoflurane, the expression level of miR-214 and IGF-1 protein in liver cells was examined. Hematoxylin-Eosin (HE) staining and TUNEL assay was performed to analyze liver tissue necrosis and apoptosis. The expression levels of apoptosis-related proteins (caspase 3 and Bcl-xL) were examined using Western blot. The mRNA and protein expression level of IGF-1 and IGF-1R in rats was significantly down-regulated after 90 min exposure to sevoflurane. QRT-PCR results suggested that exposure to sevoflurane upregulated the expression level of miR-214 and decreased the concentration of IGF-1 in a dose and time dependent manner. Sevoflurane inhibited the expression of IGF-1 through up-regulating miR-214. IGF-1 inhibited the positive effect of sevoflurane on cell necrosis and apoptosis. Sevoflurane could induce liver injury by modulating IGF-1 expression via miR-214.
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Affiliation(s)
- Ligang Ma
- Department of Anesthesia, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology, Luoyang, Henan, China
| | - Jingjing Zhao
- Department of Outpatient, Luoyang DongFang Hospital, The Third Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan, China
| | - Xiaojuan Xie
- Department of Anesthesia, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology, Luoyang, Henan, China
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Effect of multiple neonatal sevoflurane exposures on hippocampal apolipoprotein E levels and learning and memory abilities. Pediatr Neonatol 2018; 59:154-160. [PMID: 28890046 DOI: 10.1016/j.pedneo.2017.08.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 04/21/2017] [Accepted: 08/22/2017] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Sevoflurane anesthesia is widely used in pediatric patients. In this study, we investigated whether early multiple exposures to sevoflurane induced cognitive dysfunction by altering the hippocampal expression of ApoE later in development. METHODS Sprague-Dawley rats were exposed to 2.6% sevoflurane at postnatal day 7 (P7), P14, and P21 for 2 h. The ability of learning and memory was assessed using the Morris water maze at P37 and P97. The hippocampal volume was measured by magnetic resonance imaging (MRI) at P37 and P97. The hippocampal expression of ApoE was assessed by immunohistochemical analyses and real-time polymerase chain reaction (PCR). RESULTS Behavioral testing revealed that the ability of learning and memory in the sevoflurane-exposed rats was decreased compared with the control animals; however, there was no significant difference (P > 0.05). The MRI results showed a significant decrease in the left hippocampal volume, left maximum hippocampal length, and right maximum hippocampal length in the sevoflurane young group compared with the control young group (P < 0.05). The brain volume, left maximum hippocampal length, right hippocampal volume, and maximum brain length were significantly lower in the sevoflurane adult group than in the control adult group (P < 0.05). In young animals, the ApoE expression in the hippocampal CA1 and CA3 regions and the ApoE mRNA level were significantly higher compared with the control group (P < 0.05), but not in the dentate gyrus region (P > 0.05). Among the adult animals, there was no significant difference between the groups in any parameter tested (P > 0.05). CONCLUSION Multiple exposures to sevoflurane during the neonatal period decreased the volume of the hippocampus and increased the hippocampal expression of ApoE. The differential expression level of ApoE in different hippocampal subdivisions suggested that the expression of ApoE was regionally specific and reversible.
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Wenlan L, Zhongyuan X, Shaoqing L, Liying Z, Bo Z, Min L. MiR-34a-5p mediates sevoflurane preconditioning induced inhibition of hypoxia/reoxygenation injury through STX1A in cardiomyocytes. Biomed Pharmacother 2018; 102:153-159. [PMID: 29554593 DOI: 10.1016/j.biopha.2018.03.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 02/27/2018] [Accepted: 03/02/2018] [Indexed: 01/11/2023] Open
Abstract
Anesthetic preconditioning is a cellular protective approach whereby exposure to a volatile anesthetic renders cardio injury. Sevoflurane preconditioning has been shown to exhibit cardio protective effect on hypoxia/reoxygenation (H/R) injury, but the underlying mechanism is unclear. Syntaxin 1A (STX1A), an important regulator in cardio disease, was predicted to be the target gene of microRNA-34a-5p (miR-34a-5p). The current research was designed to delineate the role of miR-34a-5p in regulating sevoflurane preconditioning in cardiomyocytes injury. In this study, the results demonstrated that the expression of STX1A was significantly increased, while miR-34a-5p was dramatically decreased in sev-preconditioning H9c2 cells as compared with cells only under H/R stimulation. Moreover, miR-34a-5p regulated the protective effect of sev-preconditioning in injured H9c2 cells by mediating cell proliferation and cell apoptosis. Additionally, the luciferase report confirmed the targeting reaction between STX1A and miR-34a-5p. Taken together, our study suggested that miR-34a-5p regulated sev-preconditioning induced inhibition of hypoxia/reoxygenation injury through mediating STX1A, provided a potential therapeutic target for anesthetic protection in cardio disease.
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Affiliation(s)
- Li Wenlan
- Department of Anesthesia, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Xia Zhongyuan
- Department of Anesthesia, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China.
| | - Lei Shaoqing
- Department of Anesthesia, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Zhan Liying
- Department of Anesthesia, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Zhao Bo
- Department of Anesthesia, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Liu Min
- Department of Anesthesia, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
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Lv X, Yan J, Jiang J, Zhou X, Lu Y, Jiang H. MicroRNA-27a-3p suppression of peroxisome proliferator-activated receptor-γ contributes to cognitive impairments resulting from sevoflurane treatment. J Neurochem 2017; 143:306-319. [PMID: 28881034 DOI: 10.1111/jnc.14208] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 08/29/2017] [Accepted: 08/31/2017] [Indexed: 12/11/2022]
Abstract
Sevoflurane is the most widely used anaesthetic administered by inhalation. Exposure to sevoflurane in neonatal mice can induce learning deficits and abnormal social behaviours. MicroRNA (miR)-27a-3p, a short, non-coding RNA that functions as a tumour suppressor, is up-regulated after inhalation of anaesthetic, and peroxisome proliferator-activated receptor γ (PPAR-γ) is one of its target genes. The objective of this study was to investigate how the miR-27a-3p-PPAR-γ interaction affects sevoflurane-induced neurotoxicity. A luciferase reporter assay was employed to identify the interaction between miR-27a-3p and PPAR-γ. Primary hippocampal neuron cultures prepared from embryonic day 0 C57BL/6 mice were treated with miR-27a-3p inhibitor or a PPAR-γ agonist to determine the effect of miR-27a-3p and PPAR-γ on sevoflurane-induced cellular damage. Cellular damage was assessed by a flow cytometry assay to detect apoptotic cells, immunofluorescence to detect reactive oxygen species, western blotting to detect NADPH oxidase 1/4 and ELISA to measure inflammatory cytokine levels. In vivo experiments were performed using a sevoflurane-induced anaesthetic mouse model to analyse the effects of miR-27a-3p on neurotoxicity by measuring the number of apoptotic neurons using the Terminal-deoxynucleoitidyl Transferase Mediated Nick End Labeling (TUNEL) method and learning and memory function by employing the Morris water maze test. Our results revealed that PPAR-γ expression was down-regulated by miR-27a-3p following sevoflurane treatment in hippocampal neurons. Down-regulation of miR-27a-3p expression decreased sevoflurane-induced hippocampal neuron apoptosis by decreasing inflammation and oxidative stress-related protein expression through the up-regulation of PPAR-γ. In vivo tests further confirmed that inhibition of miR-27a-3p expression attenuated sevoflurane-induced neuronal apoptosis and learning and memory impairment. Our findings suggest that down-regulation of miR-27a-3p expression ameliorated sevoflurane-induced neurotoxicity and learning and memory impairment through the PPAR-γ signalling pathway. MicroRNA-27a-3p may, therefore, be a potential therapeutic target for preventing or treating sevoflurane-induced neurotoxicity.
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Affiliation(s)
- Xiang Lv
- Department of Anesthesiology and Critical Care Medicine, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jia Yan
- Department of Anesthesiology and Critical Care Medicine, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jue Jiang
- Department of Anesthesiology and Critical Care Medicine, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xuhui Zhou
- Department of Anesthesiology and Critical Care Medicine, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yi Lu
- Department of Anesthesiology and Critical Care Medicine, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hong Jiang
- Department of Anesthesiology and Critical Care Medicine, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Effects of short-term exposure to sevoflurane on the survival, proliferation, apoptosis, and differentiation of neural precursor cells derived from human embryonic stem cells. J Anesth 2017; 31:821-828. [DOI: 10.1007/s00540-017-2408-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 08/09/2017] [Indexed: 12/11/2022]
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12
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Fan J, Zhou Q, Qin Z, Tao T. Effect of propofol on microRNA expression in rat primary embryonic neural stem cells. BMC Anesthesiol 2016; 16:95. [PMID: 27737635 PMCID: PMC5064799 DOI: 10.1186/s12871-016-0259-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 09/29/2016] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Propofol is a widely used intravenous anesthetic that is well-known for its protective effect in various human and animal disease models. However, the effects of propofol on neurogenesis, especially on the development of neural stem cells (NSCs), remains unknown. Related microRNAs may act as important regulators in this process. METHODS Published Gene Expression Omnibus (GEO) DataSets related to propofol were selected and re-analyzed to screen neural development-related genes and predict microRNA (miRNA) expression using bioinformatic methods. Screening of the genes and miRNAs was then validated by qRT-PCR analysis of propofol-treated primary embryonic NSCs. RESULTS Four differentially expressed mRNAs were identified in the screen and 19 miRNAs were predicted based on a published GEO DataSet. Two of four mRNAs and four of 19 predicted miRNAs were validated by qRT-PCR analysis of propofol-treated NSCs. Rno-miR-19a (Rno, Rattus Norvegicus) and rno-miR-137, and their target gene EGR2, as well as rno-miR-19b-2 and rno-miR-214 and their target gene ARC were found to be closely related to neural developmental processes, including proliferation, differentiation, and maturation of NSCs. CONCLUSION Propofol influences miRNA expression; however, further studies are required to elucidate the mechanism underlying the effects of propofol on the four miRNAs and their target genes identified in this study. In particular, the influence of propofol on the entire development process of NSCs remains to be clarified.
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Affiliation(s)
- Jun Fan
- Department of Anesthesiology, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong China
| | - Quan Zhou
- Department of Anesthesiology, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong China
| | - Zaisheng Qin
- Department of Anesthesiology, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong China
| | - Tao Tao
- Department of Anesthesiology, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong China
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