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Tsolaki M, Sia E, Giannouli V. Anesthesia and dementia: An up-to-date review of the existing literature. APPLIED NEUROPSYCHOLOGY. ADULT 2024; 31:181-190. [PMID: 35981552 DOI: 10.1080/23279095.2022.2110871] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Concerns around the impact of anesthesia on cognitive decline and dementia, including Alzheimer's Disease (AD), have been increasing and recently attracting considerable attention in the research community. One unanswered question is whether anesthesia is a risk factor of dementia, specifically AD type dementia. A large body of evidence, coming from in vivo and in vitro models, suggests that exposure to anesthetic agents may increase the risk of AD through mechanisms of action similar to AD's neuropathology. In terms of clinical studies, our knowledge of the relationship between anesthesia and dementia is based on limited data, with most studies suggesting that there is no association. The aim of this paper was therefore to outline recent clinical studies exploring this controversial relationship and discuss future directions in terms of study design and potential areas of study. As the aging population and the prevalence of dementia and AD increases, we need a better understanding of anesthesia as a risk factor for neurodegeneration through well-designed studies. Despite the controversy, there seems to be little evidence to support that anesthesia itself or other surgical and patient factors can cause or accelerate AD.
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Affiliation(s)
- Magda Tsolaki
- 1st Department of Neurology, Medical School, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Greek Association of Alzheimer's Disease and Related Disorders, Thessaloniki, Greece
- Laboratory of Neurodegenerative Diseases, Center for Interdisciplinary Research and Innovation (CIRI - AUTh), Thessaloniki, Greece
| | - Eleni Sia
- Greek Association of Alzheimer's Disease and Related Disorders, Thessaloniki, Greece
- Laboratory of Neurodegenerative Diseases, Center for Interdisciplinary Research and Innovation (CIRI - AUTh), Thessaloniki, Greece
| | - Vaitsa Giannouli
- 1st Department of Neurology, Medical School, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Greek Association of Alzheimer's Disease and Related Disorders, Thessaloniki, Greece
- Laboratory of Neurodegenerative Diseases, Center for Interdisciplinary Research and Innovation (CIRI - AUTh), Thessaloniki, Greece
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Cutuli D, Petrosini L, Gelfo F. Advance in Neurotoxicity Research from Development to Aging. Int J Mol Sci 2023; 24:15112. [PMID: 37894793 PMCID: PMC10606676 DOI: 10.3390/ijms242015112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
A substance capable of inducing a consistent pattern of neural dysfunction in the chemistry or structure of the nervous system may be defined as neurotoxic [...].
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Affiliation(s)
- Debora Cutuli
- IRCCS Fondazione Santa Lucia, Via Ardeatina 306, 00179 Rome, Italy
- Department of Psychology, Sapienza University of Rome, Via dei Marsi 78, 00185 Rome, Italy
| | - Laura Petrosini
- IRCCS Fondazione Santa Lucia, Via Ardeatina 306, 00179 Rome, Italy
| | - Francesca Gelfo
- IRCCS Fondazione Santa Lucia, Via Ardeatina 306, 00179 Rome, Italy
- Department of Human Sciences, Guglielmo Marconi University, Via Plinio 44, 00193 Rome, Italy
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Liu P, Zhao S, Qiao H, Li T, Mi W, Xu Z, Xue X. Does propofol definitely improve postoperative cognitive dysfunction?-a review of propofol-related cognitive impairment. Acta Biochim Biophys Sin (Shanghai) 2022; 54:875-881. [PMID: 35713318 PMCID: PMC9828335 DOI: 10.3724/abbs.2022067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Postoperative cognitive dysfunction (POCD) is a common brain function-related complication after surgery. In addition to old age being an independent risk factor, anesthetics are also important predisposing factors. Among them, propofol is the most commonly used intravenous anesthetic in clinical practice. It has a rapid onset, short half-life, and high recovery quality. Many studies report that propofol can attenuate surgery-induced cognitive impairment, however, some other studies reveal that propofol also induces cognitive dysfunction. Therefore, this review summarizes the effects of propofol on the cognition, and discusses possible related mechanisms, which aims to provide some evidence for the follow-up studies.
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Affiliation(s)
- Pengfei Liu
- Department of AnesthesiologyBeijing Shijitan HospitalCapital Medical UniversityBeijing100038China,Anesthesia and Operation Centerthe First Medical CenterChinese PLA General HospitalBeijing100853China
| | - Sheng Zhao
- Department of CardiologyFuwai HospitalNational Center for Cardiovascular DiseaseChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100037China
| | - Hui Qiao
- Department of AnesthesiologyBeijing Shijitan HospitalCapital Medical UniversityBeijing100038China
| | - Tianzuo Li
- Department of AnesthesiologyBeijing Shijitan HospitalCapital Medical UniversityBeijing100038China
| | - Weidong Mi
- Anesthesia and Operation Centerthe First Medical CenterChinese PLA General HospitalBeijing100853China,Correspondence address. Tel: +86-13381082966; E-mail: (W.M.) / Tel: +86-15210319808; E-mail: (Z.X.) /Tel: +86-15210903118; E-mail: (X.X.) @
| | - Zhipeng Xu
- Anesthesia and Operation Centerthe First Medical CenterChinese PLA General HospitalBeijing100853China,Correspondence address. Tel: +86-13381082966; E-mail: (W.M.) / Tel: +86-15210319808; E-mail: (Z.X.) /Tel: +86-15210903118; E-mail: (X.X.) @
| | - Xinying Xue
- Department of Respiratory and Critical CareBeijing Shijitan HospitalCapital Medical UniversityBeijing100038China,Correspondence address. Tel: +86-13381082966; E-mail: (W.M.) / Tel: +86-15210319808; E-mail: (Z.X.) /Tel: +86-15210903118; E-mail: (X.X.) @
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Huang C, Chu JMT, Liu Y, Kwong VSW, Chang RCC, Wong GTC. Sevoflurane Induces Neurotoxicity in the Animal Model with Alzheimer's Disease Neuropathology via Modulating Glutamate Transporter and Neuronal Apoptosis. Int J Mol Sci 2022; 23:ijms23116250. [PMID: 35682930 PMCID: PMC9181124 DOI: 10.3390/ijms23116250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 05/30/2022] [Accepted: 05/30/2022] [Indexed: 11/16/2022] Open
Abstract
Perioperative neurocognitive disorders are frequently observed in postoperative patients and previous reports have shown that pre-existing mild cognitive impairment with accumulated neuropathology may be a risk factor. Sevoflurane is a general anesthetic agent which is commonly used in clinical practice. However, the effects of sevoflurane in postoperative subjects are still controversial, as both neurotoxic or neuroprotective effects were reported. The purpose of this study is to investigate the effects of sevoflurane in 3 × Tg mice, a specific animal model with pre-existing Alzheimer’s disease neuropathology. 3 × Tg mice and wild-type mice were exposed to 2 h of sevoflurane respectively. Cognitive function, glutamate transporter expression, MAPK kinase pathways, and neuronal apoptosis were accessed on day 7 post-exposure. Our findings indicate that sevoflurane-induced cognitive deterioration in 3 × Tg mice, which was accompanied with the modulation of glutamate transporter, MAPK signaling, and neuronal apoptosis in the cortical and hippocampal regions. Meanwhile, no significant impact was observed in wild-type mice. Our results demonstrated that prolonged inhaled sevoflurane results in the exacerbation of neuronal and cognitive dysfunction which depends on the neuropathology background.
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Affiliation(s)
- Chunxia Huang
- Department of Anaesthesiology, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China; (C.H.); (J.M.T.C.); (Y.L.); (V.S.W.K.)
| | - John Man Tak Chu
- Department of Anaesthesiology, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China; (C.H.); (J.M.T.C.); (Y.L.); (V.S.W.K.)
| | - Yan Liu
- Department of Anaesthesiology, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China; (C.H.); (J.M.T.C.); (Y.L.); (V.S.W.K.)
| | - Vivian Suk Wai Kwong
- Department of Anaesthesiology, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China; (C.H.); (J.M.T.C.); (Y.L.); (V.S.W.K.)
| | - Raymond Chuen Chung Chang
- Laboratory of Neurodegenerative Diseases, School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
- State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Hong Kong SAR, China
- Correspondence: (R.C.C.C.); (G.T.C.W.)
| | - Gordon Tin Chun Wong
- Department of Anaesthesiology, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China; (C.H.); (J.M.T.C.); (Y.L.); (V.S.W.K.)
- Correspondence: (R.C.C.C.); (G.T.C.W.)
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Liu PF, Gao T, Li TZ, Yang YT, Xu YX, Xu ZP, Mi WD. Repeated propofol exposure-induced neuronal damage and cognitive impairment in aged rats by activation of NF-κB pathway and NLRP3 inflammasome. Neurosci Lett 2020; 740:135461. [PMID: 33115643 DOI: 10.1016/j.neulet.2020.135461] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 09/25/2020] [Accepted: 10/20/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND Elderly patients receive propofol at regular intervals for sedation during gastrointestinal endoscopy. However, the link between cognition and intermittent propofol exposure remains unclear. Thus, we used aged rats to investigate the effect of propofol on cognition. METHODS The study included two parts. In the first part, aged (18-20 months old) male Sprague-Dawley rats underwent intermittent intraperitoneal injection of propofol (200 mg/kg) or intralipid, every 9 days or once a day. In the second part, some aged rats received intraperitoneal injection of Bay 11-7082 (1 mg/kg), a specific inhibitor of NF-κB, 30 min before propofol injection. Memory tests were performed to evaluate cognition 24 h after the entire treatment. The hippocampal neuronal damage was assessed by TUNEL staining. The hippocampal levels of p-NF-κB p65, NLRP3, caspase-1 p20, and cleaved caspase-3 were detected by western blotting. The hippocampal and serum levels of IL-1β, IL-6, and TNF-α were evaluated using ELISA. RESULTS There were no differences in the behavioral tests, hippocampal neuronal damage, and neuroinflammation between groups given intralipid and propofol treatment every 9 days. However, repeated propofol treatment once a day promoted activation of NF-κB and the NLRP3 inflammasome, inducing cognitive impairment and neuroinflammation. Interestingly, pretreatment with Bay-11-7082 not only inhibited NF-κB/NLRP3 inflammasome activation, but also attenuated neuronal damage and cognitive dysfunction in aged rats exposed to daily propofol treatment. CONCLUSIONS Intermittent propofol treatment every 9 days may be safe for aged rats. However, propofol treatment once a day could impair the cognition of aged rats, partly through the activation of the NF-κB pathway and NLRP3 inflammasome, which may be a potential targets for the treatment of cognitive impairment in elderly patients.
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Affiliation(s)
- Peng-Fei Liu
- Anesthesia and Operation Center, the First Medical Center, Chinese PLA General Hospital, 28th Fuxing Road, Haidian District, Beijing 100853, China; Department of Anesthesiology, Beijing Shijitan Hospital, Capital Medical University, 10th Tieyi Road, Haidian District, Beijing, 100038, China
| | - Teng Gao
- Department of Anesthesiology, Beijing Shijitan Hospital, Capital Medical University, 10th Tieyi Road, Haidian District, Beijing, 100038, China
| | - Tian-Zuo Li
- Department of Anesthesiology, Beijing Shijitan Hospital, Capital Medical University, 10th Tieyi Road, Haidian District, Beijing, 100038, China
| | - Yi-Tian Yang
- Anesthesia and Operation Center, the First Medical Center, Chinese PLA General Hospital, 28th Fuxing Road, Haidian District, Beijing 100853, China
| | - Yong-Xing Xu
- Department of Nephrology, Chinese PLA Strategic Support Force Characteristic Medical Center, 9th AnXiangBeiLi Road, Beijing, 100101, China
| | - Zhi-Peng Xu
- Anesthesia and Operation Center, the First Medical Center, Chinese PLA General Hospital, 28th Fuxing Road, Haidian District, Beijing 100853, China.
| | - Wei-Dong Mi
- Anesthesia and Operation Center, the First Medical Center, Chinese PLA General Hospital, 28th Fuxing Road, Haidian District, Beijing 100853, China.
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Liu X, Wang W, Chen HL, Zhang HY, Zhang NX. Interplay between Alzheimer's disease and global glucose metabolism revealed by the metabolic profile alterations of pancreatic tissue and serum in APP/PS1 transgenic mice. Acta Pharmacol Sin 2019; 40:1259-1268. [PMID: 31089202 DOI: 10.1038/s41401-019-0239-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Accepted: 04/11/2019] [Indexed: 12/20/2022] Open
Abstract
Increasing evidence suggests that there is a correlation between type 2 diabetes mellitus (T2D) and Alzheimer's disease (AD). Increased Aβ polypeptide production in AD patients would promote metabolic abnormalities, insulin signaling dysfunction and perturbations in glucose utilization, thus leading to the onset of T2D. However, the metabolic mechanisms underlying the interplay between AD and its diabetes-promoting effects are not fully elucidated. Particularly, systematic metabolomics analysis has not been performed for the pancreas tissues of AD subjects, which play key roles in the glucose metabolism of living systems. In the current study, we characterized the dynamic metabolic profile alterations of the serum and the pancreas of APP/PS1 double-transgenic mice (an AD mouse model) using the untargeted metabolomics approaches. Serum and pancreatic tissues of APP/PS1 transgenic mice and wild-type mice were extracted and subjected to NMR analysis to evaluate the functional state of pancreas in the progress of AD. Multivariate analysis of principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS-DA) were conducted to define the global and the local (pancreas) metabolic features associated with the possible initiation of T2D in the progress of AD. Our results showed the onset of AD-induced global glucose metabolism disorders in AD mice. Hyperglycemia and its accompanying metabolic disorders including energy metabolism down-regulation and oxidative stress were observed in the serum of AD mice. Meanwhile, global disturbance of branched-chain amino acid (BCAA) metabolism was detected, and the change of BCAA (leucine) was positively correlated to the alteration of glucose. Moreover, increased level of glucose and enhanced energy metabolism were observed in the pancreas of AD mice. The results suggest that the diabetes-promoting effects accompanying the progress of AD are achieved by down-regulating the global utilization of glucose and interfering with the metabolic function of pancreas. Since T2D is a risk factor for the pathogenesis of AD, our findings suggest that targeting the glucose metabolism dysfunctions might serve as a supplementary therapeutic strategy for Alzheimer's disease.
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