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Apoptosis and anesthesia

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https://www.readbyqxmd.com/read/29347949/effects-of-surgery-and-anesthetic-choice-on-immunosuppression-and-cancer-recurrence
#1
REVIEW
Ryungsa Kim
BACKGROUND: The relationship between surgery and anesthetic-induced immunosuppression and cancer recurrence remains unresolved. Surgery and anesthesia stimulate the hypothalamic-pituitary-adrenal (HPA) axis and sympathetic nervous system (SNS) to cause immunosuppression through several tumor-derived soluble factors. The potential impact of surgery and anesthesia on cancer recurrence was reviewed to provide guidance for cancer surgical treatment. METHODS: PubMed was searched up to December 31, 2016 using search terms such as, "anesthetic technique and cancer recurrence," "regional anesthesia and cancer recurrence," "local anesthesia and cancer recurrence," "anesthetic technique and immunosuppression," and "anesthetic technique and oncologic surgery...
January 18, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29246852/lin28b-and-sox2-regulate-anesthesia-induced-neural-degeneration-in-neural-stem-cell-derived-neurons
#2
Fangfang Zhang, Shiping Wang, Chen Lv, Mei Zhang, Liuying Yang, Xiaowen Guo
Ketamine, a commonly used anesthetic compound, may cause neurotoxicity in immature or developing brains. In this study, we indented to understand the molecular expression and functional role of Lin-28 Homolog B (lin28b) in regulating ketamine-induced neurotoxicity in neural stem cells (NSCs)-differentiated neurons. NSCs from embryonic rat brains were cultured in vitro, and induced toward neuronal differentiation. NSCs-differentiated neurons were treated with various concentrations of ketamine for 24h to evaluate the concentration-dependent effect of ketamine on endogenous lin28b mRNA level...
December 12, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29233043/topical-dimethyl-sulfoxide-inhibits-corneal-neovascularization-and-stimulates-corneal-repair-in-rabbits-following-acid-burn
#3
S Altan, H Sağsöz, Z Oğurtan
Neovascularization of the cornea is characterized by the growth of blood vessels caused by imbalances between angiogenic and anti-angiogenic factors. We investigated whether the expression of Vascular endothelial growth factor (VEGF), Vascular endothelial growth factor receptor (VEGF), Vascular endothelial growth inhibitor (VEGI) receptors, as well as topical drug treatments, participate in regulating corneal neovascularization after corneal damage and remodeling. We used 72 mature male New Zealand rabbits...
December 13, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29226348/sevo%C3%AF-urane-induces-liver-injury-by-modulating-the-expression-of-insulin-like-growth-factor-1-via-mir-214
#4
Ligang Ma, Jingjing Zhao, Xiaojuan Xie
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...
December 11, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29206300/effects-of-mtor-nf-%C3%AE%C2%BAb-signaling-pathway-and-high-thoracic-epidural-anesthesia-on-myocardial-ischemia-reperfusion-injury-via-autophagy-in-rats
#5
Wei-Qiang Huang, Jian-Lin Wen, Ri-Qi Lin, Peng Wei, Feng Huang
We investigated the role of mammalian target of rapamycin/nuclear factor-kappa B (mTOR/NF-κB) signaling pathway in high thoracic epidural anesthesia (HTEA) against myocardial ischemia-reperfusion (I/R) injury in rats. The rat model of myocardial I/R injury was established. Ninety rats were divided into the normal, sham, I/R, eHTEA, the PDTC and HTEA + PDTC groups. ELISA was applied to detect cardiac function indexes. HE staining was conducted to observe histopathological changes of myocardial tissues, and TTC staining was performed to detect the myocardial infarction size...
December 5, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29200900/genistein-attenuates-isoflurane-induced-neurotoxicity-and-improves-impaired-spatial-learning-and-memory-by-regulating-camp-creb-and-bdnf-trkb-pi3k-akt-signaling
#6
Tao Jiang, Xiu-Qin Wang, Chuan Ding, Xue-Lian Du
Anesthetics are used extensively in surgeries and related procedures to prevent pain. However, there is some concern regarding neuronal degeneration and cognitive deficits arising from regular anesthetic exposure. Recent studies have indicated that brain-derived neurotrophic factor (BDNF) and cyclic AMP response element-binding protein (CREB) are involved in learning and memory processes. Genistein, a plant-derived isoflavone, has been shown to exhibit neuroprotective effects. The present study was performed to examine the protective effect of genistein against isoflurane-induced neurotoxicity in rats...
November 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/29180196/laparotomy-causes-loss-of-peritoneal-mesothelium-prevented-by-humidified-co2-insufflation-in-rats
#7
Jean K Marshall, Noel Tait, Jan van der Linden
INTRODUCTION: Avoiding tissue desiccation is a common recommendation to reduce postoperative complications following open abdominal surgery, although difficult to achieve delicately without damaging the peritoneal mesothelium. Insufflation of humidified-warm CO2 into the abdomen during open abdominal surgery is proposed as an invisible, effortless way to prevent desiccation. We hypothesized that desiccation during open abdominal surgery would cause loss of peritoneal mesothelium that would be prevented by insufflation of humidified-warm CO2...
December 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/29158975/assessment-of-perioperative-stress-in-colorectal-cancer-by-use-of-in-vitro-cell-models-a-systematic-review
#8
Tove Kirkegaard, Mikail Gögenur, Ismail Gögenur
Background: The perioperative period is important for patient outcome. Colorectal cancer surgery can lead to metastatic disease due to release of disseminated tumor cells and the induction of surgical stress response. To explore the overall effects on surgically-induced changes in serum composition, in vitro model systems are useful. Methods: A systematic search in PubMed and EMBASE was performed to identify studies describing in vitro models used to investigate cancer cell growth/proliferation, cell migration, cell invasion and cell death of serum taken pre- and postoperatively from patients undergoing colorectal tumor resection...
2017: PeerJ
https://www.readbyqxmd.com/read/29091891/hispidulin-prevents-sevoflurane-induced-memory-dysfunction-in-aged-rats
#9
Lubin Huang, Kejing Huang, Hong Ning
AIM: As a widely used general anesthetic, sevoflurane has been found to induce cognitive and memory defectsin the elderly. This may increase the risk of Alzheimer's disease. This study explores the neuroprotective effect of hispidulin, a natural flavone compound, against sevoflurane-induced memory dysfunction. METHODS: The effect of sevoflurane exposure on memory function was evaluated by novel object recognition and Y-maze testing using an aged rat model. The apoptotic cell death in the hippocampus of rats was assessed using a TUNEL assay...
October 27, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29071560/sevoflurane-affects-oxidative-stress-and-alters-apoptosis-status-in-children-and-cultured-neural-stem-cells
#10
Xue Zhou, Dihan Lu, Wen-da Li, Xiao-Hui Chen, Xiao-Yu Yang, Xi Chen, Zhi-Bin Zhou, Jiang-Hong Ye, Xia Feng
Anesthesia-induced neurotoxicity in immature animals has raised concerns about similar effects occurring in young children. Our study investigated two commonly used anesthetics-sevoflurane and propofol-for neurotoxicity in young children. Forty-seven children (aged 12-36 months) undergoing hypospadias repair surgery were randomized to receive sevoflurane (SG, n = 24) or propofol (PG, n = 23) general anesthesia. Venous blood was collected at three different times-immediately after induction, 2 h, and 3 days after surgery...
October 25, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/29067100/the-protective-effects-of-ischemic-preconditioning-on-rats-with-renal-ischemia-reperfusion-injury-and-the-effects-on-the-expression-of-bcl-2-and-bax
#11
Sheng Shen, Jiexue Zhou, Shandong Meng, Jiaqing Wu, Juan Ma, Chunli Zhu, Gengguo Deng, Dong Liu
The aim of the present study was to investigate the protective effects of ischemic preconditioning on rats with renal ischemia-reperfusion injury and the effects on the expression of Bcl-2 and Bax. Thirty-six SD rats were randomly divided into three groups (n=12) including sham operation (S) group, ischemia-reperfusion group (I/R) group and ischemic preconditioning (IP) group. After anesthesia with intraperitoneal injection of chloral hydrate, bilateral renal pedicles were clipped for 45 min, followed by perfusion for 6 h to establish the I/R model...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29065194/nicotine-induced-neuroprotection-against-cognitive-dysfunction-after-partial-hepatectomy-involves-activation-of-bdnf-trkb-signaling-pathway-and-inhibition-of-nf-%C3%AE%C2%BAb-signaling-pathway-in-aged-rats
#12
Penghui Wei, Qiang Zheng, Hui Liu, Tiantian Wan, Jinfeng Zhou, Dong Li, Haipeng Zhou, Jing Li, Fucheng Ji, Wenxi Tang, Jianjun Li
Introduction: The main purpose of this study was to investigate the effects and possible mechanisms of nicotine pre-treatment on postoperative cognitive dysfunction (POCD) in aged rats. Methods: Nicotine (0.5 mg/kg) was given i.p. immediately after anesthesia induction. After the Morris water maze test was used to evaluate the rats' spatial learning and memory, serum and hippocampal tissues were harvested 1 and 3 days after intervention. Inflammatory cytokines in the serum were evaluated by Enzyme-linked Immunosorbent Assay (ELISA)...
July 27, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/29061366/long-duration-sevoflurane-exposure-with-the-normoxic-carrier-gas-increase-the-neural-apoptosis-and-impair-the-long-term-cognitive-function-in-neonatal-rats
#13
Toru Goyagi
The effects of short-term versus long-term anesthesia and the carrier gas used to deliver anesthesia on neuroapoptosis and cognitive impairments in the developing brain are not fully understood. This study shows that long-duration sevoflurane anesthesia with or without additional oxygen induces neuroapoptosis and long-term cognitive dysfunction in neonatal rats. Seven-day-old rats were exposed to sevoflurane anesthesia for 2, 4, and 6 h with 21% or 30% oxygen. The control group received 21% oxygen alone for 6 h...
October 20, 2017: Brain Research
https://www.readbyqxmd.com/read/29037999/protective-effect-of-silk-fibroin-in-burn-injury-in-rat-model
#14
Asli Aykac, Buse Karanlık, Ahmet Ozer Sehirli
Activation of pro-inflamatuar pathways play major role in formation of major complications as a result of burns. This study was planned to investigate the protective effect of Silk Fibroin in lung injury caused by burn in the experimental rat model. After rinsing the skin of rats under ether anesthesia, the exposed back region, covers 30% of the total body, was kept in the 90°C water bath for 10s. The control rats were kept in the 25°C water bath for 10s. Immediately after burning process, silk fibroin was administered orally at a dose of 600mg/kg...
October 13, 2017: Gene
https://www.readbyqxmd.com/read/28979702/chikusetsu-saponin-iva-attenuates-isoflurane-induced-neurotoxicity-and-cognitive-deficits-via-sirt1-erk1-2-in-developmental-rats
#15
Xi Fang, Qiang Han, Shiyong Li, Yilin Zhao, Ailin Luo
Inhalation anesthetics isoflurane may increase the risk of neurotoxicity and cognitive deficiency at postnatal and childhood. Chikusetsu saponin IVa (chIV) is a plant extract compound, which could possessed extensive pharmacological actions of central nervous system, cardia-cerebrovascular system, immunologic system and treatment and prevention of tumor. In our study, we investigated the neuroprotective effect of chIV on isoflurane-induced hippocampal neurotoxicity and cognitive function impairment in neonatal rats...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28966677/effects-of-sevoflurane-on-rats-with-ischemic-brain-injury-and-the-role-of-the-trek-1-channel
#16
Lixiao Pan, Fengyun Yang, Caixia Lu, Changxin Jia, Qing Wang, Kexue Zeng
The purpose of this investigation was to determine the effects of sevoflurane on rats with ischemic brain injury and to determine the potential role of the TREK-1 channel in this process. Normal rats were randomly divided into three groups: Sham operation, sevoflurane anesthesia or chloral hydrate anesthesia group, an additional group of TREK-1 knockout rats were also studied. Semi-quantitative PCR and western blot analysis confirmed the lack of TREK-1 expression in the brain of TREK-1 knockout rats. The thread-tie method was used to establish middle cerebral artery occlusion (MCAO) model to induce cerebral ischemic brain injury...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28944861/panax-notoginseng-saponins-attenuates-sevoflurane%C3%A2-induced-nerve-cell-injury-by-modulating-akt-signaling-pathway
#17
Xu Yang, Sun Yang, Chen Hong, Wang Yu, Wang Guonian
General anesthesia in patients with or at risk for neuronal injury remains challenging due to the neurotoxic effects of volatile anesthetics. One inhalation anesthetic, sevoflurane, induces neuronal damage, including neuroapoptosis, and learning and memory impairment. Panax Notoginseng Saponins (PNS) is the active ingredient of Sanqui and has been reported to exert neuroprotective effects. In the current study, the protective effect of PNS on sevoflurane‑induced nerve cell injury was explored. Cell proliferation was significantly reduced in a dose‑dependent manner following stimulation with sevoflurane...
November 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28913662/effects-of-short-term-exposure-to-sevoflurane-on-the-survival-proliferation-apoptosis-and-differentiation-of-neural-precursor-cells-derived-from-human-embryonic-stem-cells
#18
Jin-Woo Park, Mi-Sun Lim, So Yeon Ji, Myung Soo Cho, Seong-Joo Park, Sung-Hee Han, Jin-Hee Kim
PURPOSE: Data from animal experiments suggest that exposure to general anesthetics in early life inhibits neurogenesis and causes long-term memory deficit. Considering short operating times and the popularity of sevoflurane in pediatric anesthesia, it is important to verify the effects of short-period exposure to sevoflurane on the developing brain. METHODS: We measured the effects of short-term exposure (2 h) to 3%, 6%, or 8% sevoflurane, the most commonly used anesthetic, on neural precursor cells derived from human embryonic stem cells, SNUhES32...
September 14, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28901262/novel-findings-of-anti-cancer-property-of-propofol
#19
Jiaqiang Wang, Chien-Shan Cheng, Yan Lu, Xiaowei Ding, Minmin Zhu, Changhong Miao, Jiawei Chen
Propofol, a widely used intravenous anesthetic agent, is traditionally applied for sedation and general anesthesia. Recent attention has been drawn to explore the role and mechanisms of Propofol against cancer progression in vitro and in vivo. Specifically, the proliferation-inhibiting and apoptosis-inducing properties of Propofol in cancer have been studied. However, the underlying mechanisms remain unclear. This review focuses on research advancements of the recent ten years and aims to provide a general overview of Propofol's malignance-modulating properties and the underlying molecular mechanisms...
September 12, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28893433/effects-of-remote-ischemic-preconditioning-in-patients-with-concentric-myocardial-hypertrophy-a-randomized-controlled-trial-with-molecular-insights
#20
Young Song, Jong Wook Song, Sak Lee, Ji-Hae Jun, Young-Lan Kwak, Jae-Kwang Shim
BACKGROUND: Efficacy of remote ischemic preconditioning (RIPC) for cardioprotection in cardiac surgery is controversial. We aimed to evaluate the clinical and molecular effects of RIPC on the concentrically hypertrophied myocardium. METHODS: Seventy-two aortic stenosis patients receiving aortic valve replacement (AVR) under sevoflurane anesthesia were randomly allocated to RIPC (3cycles of 5-min inflation [300mmHg] and deflation on the left arm) or control (deflated cuff placement) group...
December 15, 2017: International Journal of Cardiology
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