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Chen Z, Ding Y, Zeng Y, Zhang XP, Chen JY. Dexmedetomidine reduces propofol-induced hippocampal neuron injury by modulating the miR-377-5p/Arc pathway. BMC Pharmacol Toxicol 2022; 23:18. [PMID: 35337381 PMCID: PMC8957152 DOI: 10.1186/s40360-022-00555-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 03/08/2022] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Propofol and dexmedetomidine (DEX) are widely used in general anesthesia, and exert toxic and protective effects on hippocampal neurons, respectively. The study sought to investigate the molecular mechanisms of DEX-mediated neuroprotection against propofol-induced hippocampal neuron injury in mouse brains. METHODS Hippocampal neurons of mice and HT22 cells were treated with propofol, DEX, and propofol+DEX. In addition, transfection of miR-377-5p mimics or inhibitors was performed in HT22 cells. Neuronal apoptosis was evaluated by a means of terminal deoxynucleotidyl transferase (TdT)-mediated dUTP nick end labeling (TUNEL) or Hochest 33,258 staining; Arc positive expression in hippocampus tissues was detected using a microscope in immunohistochemistry assays; miRNA-377-5p expression was quantified by RT-qPCR; the protein levels of Arc, DNMT3A, and DNMT3B were determined using western blot; Cell Counting Kit-8 (CCK-8) assay was used to detect the viability and apoptotic rate of the neurons; methylation analysis in the miR-377-5p promoter was performed through methylated DNA immunoprecipitation (MeDIP) assay; dual luciferase reporter assay was performed to confirm whether Arc was under targeted regulation of miR-377-5p. RESULTS In the current study, both in vitro and in vivo, propofol treatment induced hippocampal neuron apoptosis and suppressed cell viability. DNMT3A and DNMT3B expression levels were decreased following propofol treatment, resulting in lowered methylation in the miR-377-5p promoter region and then enhanced expression of miR-377-5p, leading to a decrease in the expression of downstream Arc. Conversely, the expression levels of DNMT3A and DNMT3B were increased following DEX treatment, thus methylation in miR-377-5p promoter region was improved, and miR-377-5p expression was decreased, leading to an increase in the expression of downstream Arc. Eventually, DEX pretreatment protected hippocampal neurons against propofol-induced neurotoxicity by recovering the expression levels of DNMT3A, miR-377-5p, and Arc to the normal levels. Additionally, DNMT3A knockdown improved miR-377-5p expression but reduced Arc expression, and DNMT3A overexpression exerted the opposite effects. Dual luciferase reporter assay revealed a binding target between miR-377-5p and Arc 3'UTR. The neuroprotective effect of DEX against propofol-induced neuronal apoptosis was diminished after Arc knockdown. Silencing Arc independently triggered the apoptosis of HT22 cells, which was alleviated through transfection of miR-377-5p inhibitors. CONCLUSIONS DEX reduced propofol-induced hippocampal neuron injury via the miR-377-5p/Arc signaling pathway.
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Affiliation(s)
- Zong Chen
- Department of Anesthesiology, The First Affiliated Hospital of Guangdong Pharmaceutical University, NO.19 Nonglin Road, Yuexiu District, Guangzhou, Guangdong Province, China
| | - Yong Ding
- Department of Anesthesiology, The First Affiliated Hospital of Guangdong Pharmaceutical University, NO.19 Nonglin Road, Yuexiu District, Guangzhou, Guangdong Province, China
| | - Ying Zeng
- Department of Anesthesiology, Shenzhen Shajin Hospital Affiliated to Guangzhou Medical University, Shenzhen, China
| | - Xue-Ping Zhang
- Department of Anesthesiology, Shenzhen People's Hospital, Shenzhen Anesthesiology Engineering Center, The Second Clinical Medical College of Jinan University, NO. 1017 Dongmen North Road, Luohu District, Shenzhen, Guangdong Province, China.
| | - Jian-Yan Chen
- Department of Anesthesiology, The First Affiliated Hospital of Guangdong Pharmaceutical University, NO.19 Nonglin Road, Yuexiu District, Guangzhou, Guangdong Province, China.
- Department of Anesthesiology, Shenzhen Shajin Hospital Affiliated to Guangzhou Medical University, Shenzhen, China.
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Yi Q, Xie W, Sun W, Sun W, Liao Y. A Concise Review of MicroRNA-383: Exploring the Insights of Its Function in Tumorigenesis. J Cancer 2022; 13:313-324. [PMID: 34976192 PMCID: PMC8692686 DOI: 10.7150/jca.64846] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 11/10/2021] [Indexed: 12/15/2022] Open
Abstract
MicroRNAs (miRNAs) are small noncoding RNAs that commonly have 18-22 nucleotides and play important roles in the regulation of gene expression via directly binding to the 3'-UTR of target mRNAs. Approximately 50% of human genes are regulated by miRNAs and they are involved in many human diseases, including various types of cancers. Recently, microRNA-383 (miR-383) has been identified as being aberrantly expressed in multiple cancers, such as malignant melanoma, colorectal cancer, hepatocellular cancer, and glioma. Increasing evidence suggests that miR-383 participates in tumorigenic events including proliferation, apoptosis, invasion, and metastasis as well as drug resistance. Although downstream targets including CCND1, LDHA, VEGF, and IGF are illustrated to be regulated by miR-383, its roles in carcinogenesis are still ambiguous and the underlying mechanisms are still unclear. Herein, we review the latest studies on miR-383 and summarize its functions in human cancers and other diseases. The goal of this review is to provide new strategies for targeted therapy and further investigations.
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Affiliation(s)
- Qian Yi
- The Central Laboratory, Shenzhen Second People's Hospital/First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518035, P.R. China.,Department of Physiology, School of Basic Medical Science, Southwest Medical University, Luzhou, Sichuan province 646099, P.R. China.,Laboratory of Anesthesia and Organ Protection, Southwest Medical University, Luzhou, Sichuan province 646099, P.R. China
| | - Wei Xie
- Department of Orthopedics, Shenzhen Second People's Hospital/First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518035, P.R. China
| | - Wei Sun
- Department of Orthopedics, Shenzhen Second People's Hospital/First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518035, P.R. China
| | - Weichao Sun
- The Central Laboratory, Shenzhen Second People's Hospital/First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518035, P.R. China.,Department of Orthopedics, Shenzhen Second People's Hospital/First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518035, P.R. China
| | - Yi Liao
- The Central Laboratory, Shenzhen Second People's Hospital/First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518035, P.R. China
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Zhang L, Zhang L, Guo F. MiRNA-494-3p Regulates Bupivacaine-Induced Neurotoxicity by the CDK6-PI3K/AKT Signaling. Neurotox Res 2021; 39:2007-2017. [PMID: 34652691 DOI: 10.1007/s12640-021-00427-w] [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: 07/21/2021] [Revised: 09/29/2021] [Accepted: 10/01/2021] [Indexed: 12/28/2022]
Abstract
Bupivacaine (BUP) is a long-acting amide local anesthetic that may induce strong neurotoxicity and neurological complications. In this study, we elucidate the influence of microRNA-494-3p (miR-494-3p) in BUP-induced neurotoxicity in primary mouse hippocampal neuronal cells. In this study, primary hippocampal neurons were isolated from neonatal C57BL/6 mice. The isolated neurons were treated with various doses of BUP. MTT assay was conducted to analyze neuronal viability. Gene expression measurement was done by RT-qPCR. The impact of miR-494-3p in BUP-mediated neural injury was examined using TUNEL, flow cytometry, western blotting, and ROS activity detection. The regulatory relationship between miR-494-3p and cyclin-dependent kinases 4 and 6 (CDK6) was identified using a luciferase reporter assay. BUP treatment led to neurotoxicity and miR-494-3p upregulation in primary cultured hippocampal neurons. Functionally, miR-494-3p depletion alleviated neuronal apoptosis and oxidative damage induced by BUP. We verified that miR-494-3p targeted and negatively modulated CDK6. MiR-494-3p depletion also activated PI3K/AKT signaling by elevating CDK6 expression in BUP-treated neurons. Furthermore, CDK6 knockdown or PI3K/AKT inactivation attenuated the neuroprotective role of miR-494-3p depletion. Silencing miR-494-3p exerts neuroprotective function in hippocampal neuronal cells against BUP-induced injury by the CDK6-PI3K/AKT pathway.
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Affiliation(s)
- Licheng Zhang
- Deparment of Anesthesia Resuscitation Room, Zhongshan Hospital Xiamen University, Xiamen, Fujian, 361004, China
| | - Lifeng Zhang
- Deparment of Surgical Anesthesiology, Zhongshan Hospital Xiamen University, Xiamen, Fujian, 361004, China
| | - Fengying Guo
- Department of Tumor Radiotherapy, Zhongshan Hospital Xiamen University, Siming District, 1854 Xinjing Garden, Luling Road, Xiamen, 361004, Fujian, China.
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Tao S, Gu J, Wang Q, Zheng L. Translational control of Bcl-2 promotes apoptosis of gastric carcinoma cells. BMC Cancer 2021; 21:12. [PMID: 33402109 PMCID: PMC7786514 DOI: 10.1186/s12885-020-07711-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 12/03/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Anti-apoptotic protein Bcl-2 plays a substantial role in the carcinogenesis, whereas the regulation for Bcl-2 in gastric carcinoma (GC) is poorly understood. Specifically, a role of microRNA (miR)-383 in the control of Bcl-2 has not been shown in GC and thus addressed in the current study. METHODS We investigated the levels of miR-383 and Bcl-2 in 50 GC specimens, and compared them with patients' clinical characteristics. Bioinformatics analyses and luciferase-reporter assay were applied for analyzing the relationship between Bcl-2 and miR-383. An CCK assay was used to determine the survival of Fluorouracil-treated GC cells, and apoptosis of GC cells was assessed by flow cytometric FITC Annexin V apoptosis detection assay and expression of apoptosis-associated proteins. RESULTS The levels of miR-383 were lower while the levels of Bcl-2 levels were higher in GC specimens, compared to tissue from the adjacent non-tumor region. Low miR-383 and high Bcl-2 seemed to be associated with high malignancy and metastasis. In GC specimens, the levels of Bcl-2 and miR-383 inversely correlated. The overall survival of miR-383-low cases was poorer. Mechanistically, miR-383 targeted the 3'-UTR of Bcl-2 mRNA to inhibit its protein translation. Overexpression of miR-383 downregulated Bcl-2, resulting in reduced survival of Fluorouracil-treated GC cells. Similar conclusion was drawn through analysis of published database. CONCLUSION MiR-383 reduces survival of Fluorouracil-treated GC cells through downregulating of Bcl-2.
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Affiliation(s)
- Shuangfen Tao
- Oncology Department, Xin Hua Hospital affiliated To Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, China
| | - Jianchun Gu
- Oncology Department, Xin Hua Hospital affiliated To Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, China
| | - Qing Wang
- Oncology Department, Xin Hua Hospital affiliated To Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, China
| | - Leizhen Zheng
- Oncology Department, Xin Hua Hospital affiliated To Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, China.
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Zhang L, Zhou Q, Zhou CL. RTA-408 protects against propofol-induced cognitive impairment in neonatal mice via the activation of Nrf2 and the inhibition of NF-κB p65 nuclear translocation. Brain Behav 2021; 11:e01918. [PMID: 33295701 PMCID: PMC7821557 DOI: 10.1002/brb3.1918] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 10/08/2020] [Accepted: 10/12/2020] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE To explore the effect of RTA-408 on the propofol-induced cognitive impairment of neonatal mice via regulating Nrf2 and NF-κB p65 nuclear translocation. METHODS C57BL/6 neonatal mice were randomized into intralipid, propofol, vehicle + propofol, and RTA-408 + propofol groups. The learning and memory ability was inspected by Morries water maze (MWM) test. TUNEL staining was performed to examine the apoptosis of neurons in hippocampus. The gene and protein expressions in hippocampus were detected by immunohistochemistry, qRT-PCR, or Western blotting. The activities of glutathione peroxidase (GPx), superoxide dismutase (SOD), and catalase (CAT) were tested by the corresponding kits. RESULTS Propofol prolonged escape latency of mice, decreased the times of crossing the platform, and shortened the time of staying in the target quadrant, while RTA-408 treatment improved the above-mentioned situation. Besides, Nrf2 protein in hippocampus of mice induced by propofol was decreased with the increased NF-κB p65 nuclear translocation, which was reversed by RTA-408. Meanwhile, RTA-408 decreased the apoptosis of neurons accompanying with the down-regulation of Caspase-3 and the up-regulations of neuronal-specific nuclear protein (NeuN), microtubule-associated protein 2 (Map2), Ca2+ /Calmodulin-dependent Protein Kinase II (CaMKII), and parvalbumin (PV) immunostaining in hippocampus. Besides, propofol-induced high levels of proinflammatory cytokines and antioxidase activities in hippocampus were reduced by RTA-408. CONCLUSION RTA-408 improved propofol-induced cognitive impairment in neonatal mice via enhancing survival of neurons, reducing the apoptosis of hippocampal neurons, mitigating the inflammation and oxidative stress, which may be correlated with the activation of Nrf2 and the inhibition of NF-κB p65 nuclear translocation.
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Affiliation(s)
- Ling Zhang
- Department of Anesthesiology, Jingzhou Central Hospital, The Second Clinical Medical College, Yangtze University, Jingzhou, China
| | - Qian Zhou
- Department of Anesthesiology, Jingzhou Central Hospital, The Second Clinical Medical College, Yangtze University, Jingzhou, China
| | - Chun-Li Zhou
- Department of Anesthesiology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
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Tang F, Zhao L, Yu Q, Liu T, Gong H, Liu Z, Li Q. Upregulation of miR-215 attenuates propofol-induced apoptosis and oxidative stress in developing neurons by targeting LATS2. Mol Med 2020; 26:38. [PMID: 32375631 PMCID: PMC7202001 DOI: 10.1186/s10020-020-00170-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 04/23/2020] [Indexed: 01/06/2023] Open
Abstract
Background Propofol is an intravenous anesthetic agent that commonly induces significant neuroapoptosis. MicroRNAs (miRNAs) have been reported to participate in the regulation of propofol exposure-mediated neurotoxicity. MiR-215, as one of miRNAs, was found to regulate nerve cell survival. However, the mechanism through which miRNAs regulate propofol exposure-mediated neurotoxicity is still unclear. Methods Real-time PCR was used to detect miR-215 expression level. Cell viability was measured using MTT assay. Cell apoptosis was examined via flow cytometry analysis. ROS, MDA, LDH and SOD levels were assayed through ELISA kits. Dual luciferase reporter assay identified the interaction between miR-215 and large tumor suppressor 2 (LATS2). Protein level was detected using western blot analysis. Results MiR-215 expression was downregulated in propofol-treated rat hippocampal neurons. MiR-215 mimics promoted cell viability and reduced apoptosis in propofol-treated neonatal rat hippocampal neuron. MiR-215 mimics also caused inhibition of oxidative stress as evidenced by suppression of ROS, MDA and LDH levels as well as increase of SOD level. In addition, we found that large tumor suppressor 2 (LATS2) is a target of miR-215 and miR-215 mimics decreased LATS2 level in propofol-treated neonatal rat hippocampal neuron. Further, LATS2 overexpression suppressed the effect of miR-215 on propofol-induced apoptosis and oxidative stress in neonatal rat hippocampal neuron. Conclusion Taken together, we demonstrate that miR-215 attenuates propofol-induced apoptosis and oxidative stress in neonatal rat hippocampal neuron by targeting LATS2, suggesting that miR-215 may provide a new candidate for the treatment of propofol exposure-induced neurotoxicity.
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Affiliation(s)
- Fang Tang
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang City, 330006, Jiangxi Province, China
| | - Lili Zhao
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang City, 330006, Jiangxi Province, China
| | - Qi Yu
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang City, 330006, Jiangxi Province, China
| | - Tianyin Liu
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang City, 330006, Jiangxi Province, China
| | - Hongyan Gong
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang City, 330006, Jiangxi Province, China
| | - Zhiyi Liu
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang City, 330006, Jiangxi Province, China.
| | - Qing Li
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, No. 17 Yongwaizheng Street, Nanchang City, 330006, Jiangxi Province, China
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Zhang Z, Xu Y, Chi S, Cui L. MicroRNA-582-5p Reduces Propofol-induced Apoptosis in Developing Neurons by Targeting ROCK1. Curr Neurovasc Res 2020; 17:140-146. [PMID: 32031069 DOI: 10.2174/1567202617666200207124817] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/14/2020] [Accepted: 01/16/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND Propofol is an intravenous drug commonly used in anesthesia procedures and intensive care in children. However, it also has neurotoxic effects on children. MicroRNA plays an important role in neurological diseases and neurotoxicity. METHODS In this study, primary rat hippocampal neurons were used to investigate the role of miR- 582-5p in propofol-induced neurotoxicity. Cell viability was monitored by 3-(4,5-dimethylthiazolyl)- 2,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, while the expression of proteins was monitored by real-time quantitation polymerase chain reaction (RT-qPCR) and western blot. TargetScan and double luciferase report assay were used to predict the targeting relationship between miR-582-5p and Rho-associated serine-threonine protein kinase 1 (ROCK1). RESULTS In the present study, the viability of neurons and the expression of miR-582-5p were decreased in a time-dependent manner after propofol treatment. Besides, miR-582-5p overexpression significantly reduced the toxicity of propofol on neuron cells but had no significant effect on normal nerve cells. In addition, miR-582-5p overexpression significantly reversed the expression of apoptosis-related proteins (cleaved caspase 3 and cleaved caspase 9) induced by propofol but had no significant effect in normal nerve cells. TargetScan and Dual-luciferase report assay revealed that ROCK1 was a targeted regulatory gene for miR-582-5p, and propofol treatment up-regulated ROCK1 expression by inhibiting miR-582-5p expression. Notably, miR-582-5p overexpression significantly increased cell viability, while ROCK1 overexpression reversed the effect of miR-582- 5p. CONCLUSION Taken together, these findings suggest that miR-582-5p alleviated propofol-induced apoptosis of newborn rat neurons by inhibiting ROCK1.
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Affiliation(s)
- Zhongjie Zhang
- Department of Anesthesiology, The Affiliated Hospital of Beihua University, Jilin City, Jilin Province, 132000, China
| | - Yan Xu
- Department of Endocrinology, The Affiliated Hospital of Beihua University, Jilin City, Jilin Province, 132000, China
| | - Songyuan Chi
- Department of Anesthesiology, The Affiliated Hospital of Beihua University, Jilin City, Jilin Province, 132000, China
| | - Longji Cui
- Department of Anesthesiology, The Affiliated Hospital of Beihua University, Jilin City, Jilin Province, 132000, China
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Leptin Modulates the Expression of miRNAs-Targeting POMC mRNA by the JAK2-STAT3 and PI3K-Akt Pathways. J Clin Med 2019; 8:jcm8122213. [PMID: 31847355 PMCID: PMC6947463 DOI: 10.3390/jcm8122213] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/05/2019] [Accepted: 12/12/2019] [Indexed: 12/17/2022] Open
Abstract
The central control of energy balance involves a strongly regulated neuronal network within the hypothalamus and the brainstem. In these structures, pro-opiomelanocortin (POMC) neurons are known to decrease food intake and to increase energy expenditure. Thus, leptin, a peripheral signal that relays information regarding body fat content, modulates the activity of POMC neurons. MicroRNAs (miRNAs) are short non-coding RNAs of 22–26 nucleotides that post-transcriptionally interfere with target gene expression by binding to their mRNAs. It has been demonstrated that leptin is able to modulate the expression of miRNAs (miR-383, miR-384-3p, and miR-488) that potentially target POMC mRNA. However, no study has identified the transduction pathways involved in this effect of leptin on miRNA expression. In addition, miRNAs targeting POMC mRNAs are not clearly identified. In this work, using in vitro models, we have identified and confirmed that miR-383, miR-384-3p, and miR-488 physically binds to the 3′ untranslated (3′UTR) regions of POMC mRNA. Importantly, we show that leptin inhibits these miRNAs expression by different transduction pathways. Taken together, these results allowed us to highlight the miRNA involvement in the regulation of POMC expression downstream of the leptin signaling and satiety signal integration.
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Bahmad HF, Darwish B, Dargham KB, Machmouchi R, Dargham BB, Osman M, Khechen ZA, El Housheimi N, Abou-Kheir W, Chamaa F. Role of MicroRNAs in Anesthesia-Induced Neurotoxicity in Animal Models and Neuronal Cultures: a Systematic Review. Neurotox Res 2019; 37:479-490. [PMID: 31707631 DOI: 10.1007/s12640-019-00135-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 10/15/2019] [Accepted: 10/28/2019] [Indexed: 12/27/2022]
Abstract
Exposure to anesthetic agents in early childhood or late intrauterine life might be associated with neurotoxicity and long-term neurocognitive decline in adulthood. This could be attributed to induction of neuroapoptosis and inhibition of neurogenesis by several mechanisms, with a pivotal role of microRNAs in this milieu. MicroRNAs are critical regulators of gene expression that are differentially expressed in response to internal and external environmental stimuli, including general anesthetics. Through this systematic review, we aimed at summarizing the current knowledge apropos of the roles and implications of deregulated microRNAs pertaining to anesthesia-induced neurotoxicity in animal models and derived neuronal cultures. OVID/Medline and PubMed databases were lastly searched on April 1st, 2019, using the Medical Subject Heading (MeSH) or Title/Abstract words ("microRNA" and "anesthesia"), to identify all published research studies on microRNAs and anesthesia. During the review process, data abstraction and methodological assessment was done by independent groups of reviewers. In total, 29 studies were recognized to be eligible and were thus involved in this systematic review. Anesthetic agents studied included sevoflurane, isoflurane, propofol, bupivacaine, and ketamine. More than 40 microRNAs were identified to have regulatory roles in anesthesia-induced neurotoxicity. This field of study still comprises several gaps that should be filled by conducting basic, clinical, and translational research in the future to decipher the exact role of microRNAs and their functions in the context of anesthesia-induced neurotoxicity.
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Affiliation(s)
- Hisham F Bahmad
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon.,Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Batoul Darwish
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Karem Bou Dargham
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon.,Department of Anesthesiology, Hammoud Hospital University Medical Center, Sidon, Lebanon
| | - Rabih Machmouchi
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon.,Department of Anesthesiology, Hammoud Hospital University Medical Center, Sidon, Lebanon
| | - Bahaa Bou Dargham
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon.,Department of Anesthesiology, Hammoud Hospital University Medical Center, Sidon, Lebanon
| | - Maarouf Osman
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon.,Department of Anesthesiology, Hammoud Hospital University Medical Center, Sidon, Lebanon
| | - Zonaida Al Khechen
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon.,Department of Anesthesiology, Hammoud Hospital University Medical Center, Sidon, Lebanon
| | - Nour El Housheimi
- Department of Anesthesiology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Wassim Abou-Kheir
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon.
| | - Farah Chamaa
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon.
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