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Huang J, Qin TS, Bo Y, Li YJ, Liu RS, Yu Y, Li XD, He JC, Ma AX, Tao DP, Ren WJ, Peng J. The Role of the Intestinal Flora and Its Derivatives in Neurocognitive Disorders: A Narrative Review from Surgical Perspective. Mol Neurobiol 2024:10.1007/s12035-024-04322-1. [PMID: 38985257 DOI: 10.1007/s12035-024-04322-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Accepted: 06/19/2024] [Indexed: 07/11/2024]
Abstract
Perioperative neurocognitive dysfunction is a significant concern for population health, impacting postoperative recovery and increasing the financial burden on patients. With an increasing number of surgical procedures being performed, the prevention and management of perioperative neurocognitive dysfunction have garnered significant attention. While factors such as age, lifestyle, genetics, and education are known to influence the development of cognitive dysfunction, recent research has highlighted the role of the gut microbiota in neurological health. An increased abundance of pro-inflammatory gut microbiota can trigger and worsen neuroinflammation, neuronal cell damage, and impaired cellular autophagy. Moreover, the inflammation-promoting gut microbiota can disrupt immune function, impair neuroautophagy, and affect the production and circulation of extracellular vesicles and neurotransmitters. These factors collectively play a role in the onset and advancement of cognitive impairment. This narrative review delves into the molecular mechanisms through which gut microbiota and their derivatives contribute to cognitive impairment, focusing on the impact of anesthesia surgery, changes in gut microbial populations, and perioperative cognitive impairment associations. The study suggests that alterations in the abundance of various bacterial species and their metabolites pre- and post-surgery may be linked to postoperative cognitive impairment. Furthermore, the potential of probiotics or prebiotics in addressing cognitive impairment is discussed, offering a promising avenue for investigating the treatment of perioperative neurocognitive disorders.
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Affiliation(s)
- Jian Huang
- The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, People's Republic of China
| | - Tian-Shou Qin
- The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, People's Republic of China
| | - Yun Bo
- Department of Anesthesiology, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, China
| | - Yu-Jin Li
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, China
| | - Rong-Sheng Liu
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, China
| | - Yang Yu
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, China
| | - Xiao-Dong Li
- The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, People's Republic of China
| | - Jin-Can He
- The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, People's Republic of China
| | - Ai-Xin Ma
- The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, People's Republic of China
| | - Da-Peng Tao
- School of Information Science and Engineering, Yunnan University, Kunming, 650504, China
| | - Wen-Jun Ren
- Department of Cardiovascular Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, Yunnan, China.
| | - Jun Peng
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, China
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Yu W, Zhu Z, Tang F. Emerging Insights into Postoperative Neurocognitive Disorders: The Role of Signaling Across the Gut-Brain Axis. Mol Neurobiol 2024:10.1007/s12035-024-04228-y. [PMID: 38801630 DOI: 10.1007/s12035-024-04228-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 05/09/2024] [Indexed: 05/29/2024]
Abstract
The pathophysiological regulatory mechanisms in postoperative neurocognitive disorders (PNCDs) are intricately complex. Currently, the pathogenesis of PNCDs has not been fully elucidated. The mechanism involved may include a variety of factors, such as neuroinflammation, oxidative stress, and neuroendocrine dysregulation. Research into the gut microbiota-induced regulations on brain functions is increasingly becoming a focal point of exploration. Emerging evidence has shown that intestinal bacteria may play an essential role in maintaining the homeostasis of various physiological systems and regulating disease occurrence. Recent studies have confirmed the association of the gut-brain axis with central nervous system diseases. However, the regulatory effects of this axis in the pathogenesis of PNCDs remain unclear. Therefore, this paper intends to review the bidirectional signaling and mechanism of the gut-brain axis in PNCDs, summarize the latest research progress, and discuss the possible mechanism of intestinal bacteria affecting nervous system diseases. This review is aimed at providing a scientific reference for predicting the clinical risk of PNCD patients and identifying early diagnostic markers and prevention targets.
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Affiliation(s)
- Wanqiu Yu
- Department of Anesthesiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003, China
| | - Zhaoqiong Zhu
- Department of Anesthesiology, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003, China.
- Early Clinical Research Ward, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003, China.
| | - Fushan Tang
- Department of Clinical Pharmacy, Key Laboratory of Basic Pharmacology of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi, 563006, China.
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Nie H, Wang X, Luo Y, Kong F, Mu G, Wu X. Mechanism Explanation on Improved Cognitive Ability of D-Gal Inducing Aged Mice Model by Lactiplantibacillus plantarum MWFLp-182 via the Microbiota-Gut-Brain Axis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:9795-9806. [PMID: 38608178 DOI: 10.1021/acs.jafc.3c09675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/14/2024]
Abstract
Gut microbiota can influence cognitive ability via the gut-brain axis. Lactiplantibacillus plantarum MWFLp-182 (L. plantarum MWFLp-182) was obtained from feces of long-living individuals and could exert marked antioxidant ability. Interestingly, this strain reduced the D-galactose-induced impaired cognitive ability in BALB/c mice. To comprehensively elucidate the underlying mechanism, we evaluated the colonization, antioxidant, and anti-inflammatory activities of L. plantarum MWFLp-182, along with the expression of potential genes associated with cognitive ability influenced and gut microbiota. L. plantarum MWFLp-182 enhanced the expression of anti-inflammatory cytokines, reduced the expression of proinflammatory cytokines, and increased tight junction protein expression in the colon. Moreover, L. plantarum MWFLp-182 could modify the gut microbiota. Notably, treatment with L. plantarum MWFLp-182 upregulated the expression of postsynaptic density protein-95, nuclear factor erythroid 2-related factor, nerve growth factor, superoxide dismutase, and brain-derived neurotrophic factor/neuronal nuclei, while downregulating the expression of bcl-2-associated X and malondialdehyde in the hippocampus and upregulating short-chain fatty acids against D-galactose-induced mouse brain deficits. Accordingly, L. plantarum MWFLp-182 could improve cognitive ability in a D-galactose-inducing mouse model.
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Affiliation(s)
- Hui Nie
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, People's Republic of China
- Dalian Probiotic Function Research Key Laboratory, Dalian Polytechnic University, Dalian 116034, People's Republic of China
- Guangxi Key Laboratory of Health Care Food Science and Technology, Hezhou University, Hezhou, Guangxi 542899, People's Republic of China
| | - Xinxin Wang
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, People's Republic of China
- Dalian Probiotic Function Research Key Laboratory, Dalian Polytechnic University, Dalian 116034, People's Republic of China
| | - Yanghe Luo
- Guangxi Key Laboratory of Health Care Food Science and Technology, Hezhou University, Hezhou, Guangxi 542899, People's Republic of China
| | - Fanhua Kong
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, People's Republic of China
- Dalian Probiotic Function Research Key Laboratory, Dalian Polytechnic University, Dalian 116034, People's Republic of China
| | - Guangqing Mu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, People's Republic of China
- Dalian Probiotic Function Research Key Laboratory, Dalian Polytechnic University, Dalian 116034, People's Republic of China
| | - Xiaomeng Wu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, People's Republic of China
- Dalian Probiotic Function Research Key Laboratory, Dalian Polytechnic University, Dalian 116034, People's Republic of China
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Wang W, Gao W, Gong P, Song W, Bu X, Hou J, Zhang L, Zhao B. Neuronal-specific TNFAIP1 ablation attenuates postoperative cognitive dysfunction via targeting SNAP25 for K48-linked ubiquitination. Cell Commun Signal 2023; 21:356. [PMID: 38102610 PMCID: PMC10722859 DOI: 10.1186/s12964-023-01390-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 11/08/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Synaptosomal-associated protein 25 (SNAP25) exerts protective effects against postoperative cognitive dysfunction (POCD) by promoting PTEN-induced kinase 1 (PINK1)/Parkin-mediated mitophagy and repressing caspase-3/gasdermin E (GSDME)-mediated pyroptosis. However, the regulatory mechanisms of SNAP25 protein remain unclear. METHODS We employed recombinant adeno-associated virus 9 (AAV9)-hSyn to knockdown tumor necrosis factor α-induced protein 1 (TNFAIP1) or SNAP25 and investigate the role of TNFAIP1 in POCD. Cognitive performance, hippocampal injury, mitophagy, and pyroptosis were assessed. Co-immunoprecipitation (co-IP) and ubiquitination assays were conducted to elucidate the mechanisms by which TNFAIP1 stabilizes SNAP25. RESULTS Our results demonstrated that the ubiquitin ligase TNFAIP1 was upregulated in the hippocampus of mice following isoflurane (Iso) anesthesia and laparotomy. The N-terminal region (residues 1-96) of TNFAIP1 formed a conjugate with SNAP25, leading to lysine (K) 48-linked polyubiquitination of SNAP25 at K69. Silencing TNFAIP1 enhanced SH-SY5Y cell viability and conferred antioxidant, pro-mitophagy, and anti-pyroptosis properties in response to Iso and lipopolysaccharide (LPS) challenges. Conversely, TNFAIP1 overexpression reduced HT22 cell viability, increased reactive oxygen species (ROS) accumulation, impaired PINK1/Parkin-dependent mitophagy, and induced caspase-3/GSDME-dependent pyroptosis by suppressing SNAP25 expression. Neuron-specific knockdown of TNFAIP1 ameliorated POCD, restored mitophagy, and reduced pyroptosis, which was reversed by SNAP25 depletion. CONCLUSIONS In summary, our findings demonstrated that inhibiting TNFAIP1-mediated degradation of SNAP25 might be a promising therapeutic approach for mitigating postoperative cognitive decline. Video Abstract.
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Affiliation(s)
- Wei Wang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, No.238 Jiefang Road, Wuhan, 430060, China
| | - Wenwei Gao
- Department of Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Ping Gong
- Department of Anesthesiology, Renmin Hospital of Wuhan University, No.238 Jiefang Road, Wuhan, 430060, China
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, Department of Anesthesiology, School & Hospital of Stomatology, Wuhan University, Wuhan, 430079, China
| | - Wenqin Song
- Department of Anesthesiology, Renmin Hospital of Wuhan University, No.238 Jiefang Road, Wuhan, 430060, China
| | - Xueshan Bu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, No.238 Jiefang Road, Wuhan, 430060, China
| | - Jiabao Hou
- Department of Anesthesiology, Renmin Hospital of Wuhan University, No.238 Jiefang Road, Wuhan, 430060, China
| | - Lei Zhang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, No.238 Jiefang Road, Wuhan, 430060, China.
| | - Bo Zhao
- Department of Anesthesiology, Renmin Hospital of Wuhan University, No.238 Jiefang Road, Wuhan, 430060, China.
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