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Sevoflurane induces cognitive impairments via the MiR-27b/LIMK1-signaling pathway in developing rats.
Inhal Toxicol. 2016 12; 28(14):731-738.IT

Abstract

Exposure to sevoflurane in neonatal rats could induce learning deficits and abnormal social behaviors, but the specific molecular mechanism is unknown. Postnatal day-7 SD rats were treated with 3% sevoflurane plus 30% oxygen/air or 30% oxygen/air. As the rats grew, the Morris water maze (MWM) and fear conditioning tests were performed to evaluate cognitive function, while the expression of LIMK1 was analyzed by western blot. Luciferase reporter assay was performed to investigate the interaction between LIMK1 and miR-27b. The expression of miR-27b was measured by real-time polymerase chain reaction (PCR) after exposure to sevoflurane. Once the miR-27b inhibitor was transfected into the neurons, the expression of LIMK1 was analyzed by real-time PCR and western blot. Exposure to sevoflurane in neonatal rats induced memory and learning impairments according to the MWM and fear conditioning tests. Sevoflurane increased the expression of miR-27b and reduced the expression of LIMK1 in the brain tissues of rats compared to the control group. The results of the luciferase reporter assay showed that LIMK1 was a direct target of miR-27b. In the primary neurons, the inhibition of miR-27b could reverse the down-regulating effects of sevoflurane on LIMK1 expression. We suggest that sevoflurane-induced learning and memory impairments in rats might be mediated via the miR-27b-LIMK1-signaling pathway.

Authors+Show Affiliations

a Department of Anaesthesiology , Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China.a Department of Anaesthesiology , Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China.a Department of Anaesthesiology , Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China.a Department of Anaesthesiology , Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China.a Department of Anaesthesiology , Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China.a Department of Anaesthesiology , Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China.a Department of Anaesthesiology , Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China.a Department of Anaesthesiology , Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China.a Department of Anaesthesiology , Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China.a Department of Anaesthesiology , Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai , China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27973945

Citation

Yu, Yue, et al. "Sevoflurane Induces Cognitive Impairments Via the MiR-27b/LIMK1-signaling Pathway in Developing Rats." Inhalation Toxicology, vol. 28, no. 14, 2016, pp. 731-738.
Yu Y, Zhang P, Yan J, et al. Sevoflurane induces cognitive impairments via the MiR-27b/LIMK1-signaling pathway in developing rats. Inhal Toxicol. 2016;28(14):731-738.
Yu, Y., Zhang, P., Yan, J., Sun, Y., Wu, X., Xi, S., Zhang, L., Sun, Y., Hu, R., & Jiang, H. (2016). Sevoflurane induces cognitive impairments via the MiR-27b/LIMK1-signaling pathway in developing rats. Inhalation Toxicology, 28(14), 731-738.
Yu Y, et al. Sevoflurane Induces Cognitive Impairments Via the MiR-27b/LIMK1-signaling Pathway in Developing Rats. Inhal Toxicol. 2016;28(14):731-738. PubMed PMID: 27973945.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Sevoflurane induces cognitive impairments via the MiR-27b/LIMK1-signaling pathway in developing rats. AU - Yu,Yue, AU - Zhang,Peihong, AU - Yan,Jia, AU - Sun,Yuanqing, AU - Wu,Xiaoyang, AU - Xi,Siwei, AU - Zhang,Lei, AU - Sun,Yu, AU - Hu,Rong, AU - Jiang,Hong, PY - 2016/12/16/entrez PY - 2016/12/16/pubmed PY - 2017/12/26/medline KW - LIMK1 KW - Learning and memory impairments KW - miR-27b KW - neonatal rats KW - sevoflurane SP - 731 EP - 738 JF - Inhalation toxicology JO - Inhal Toxicol VL - 28 IS - 14 N2 - Exposure to sevoflurane in neonatal rats could induce learning deficits and abnormal social behaviors, but the specific molecular mechanism is unknown. Postnatal day-7 SD rats were treated with 3% sevoflurane plus 30% oxygen/air or 30% oxygen/air. As the rats grew, the Morris water maze (MWM) and fear conditioning tests were performed to evaluate cognitive function, while the expression of LIMK1 was analyzed by western blot. Luciferase reporter assay was performed to investigate the interaction between LIMK1 and miR-27b. The expression of miR-27b was measured by real-time polymerase chain reaction (PCR) after exposure to sevoflurane. Once the miR-27b inhibitor was transfected into the neurons, the expression of LIMK1 was analyzed by real-time PCR and western blot. Exposure to sevoflurane in neonatal rats induced memory and learning impairments according to the MWM and fear conditioning tests. Sevoflurane increased the expression of miR-27b and reduced the expression of LIMK1 in the brain tissues of rats compared to the control group. The results of the luciferase reporter assay showed that LIMK1 was a direct target of miR-27b. In the primary neurons, the inhibition of miR-27b could reverse the down-regulating effects of sevoflurane on LIMK1 expression. We suggest that sevoflurane-induced learning and memory impairments in rats might be mediated via the miR-27b-LIMK1-signaling pathway. SN - 1091-7691 UR - https://www.unboundmedicine.com/medline/citation/27973945/Sevoflurane_induces_cognitive_impairments_via_the_MiR_27b/LIMK1_signaling_pathway_in_developing_rats_ L2 - http://www.tandfonline.com/doi/full/10.1080/08958378.2016.1266532 DB - PRIME DP - Unbound Medicine ER -