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Maksyutynska K, Stogios N, Prasad F, Gill J, Hamza Z, De R, Smith E, Horta A, Goldstein BI, Korczak D, Graff-Guerrero A, Hahn MK, Agarwal SM. Neurocognitive correlates of metabolic dysregulation in individuals with mood disorders: a systematic review and meta-analysis. Psychol Med 2024; 54:1245-1271. [PMID: 38450447 DOI: 10.1017/s0033291724000345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Individuals with mood disorders are predisposed to metabolic dysfunction, while those with metabolic dysregulation such as diabetes and obesity experience more severe depressive symptoms. Both metabolic dysfunction and mood disorders are independently associated with cognitive deficits. Therefore, given their close association, this study aimed to explore the association between metabolic dysfunction in individuals with mood disorders in relation to cognitive outcomes. A comprehensive search comprised of these three domains was carried out; a random-effects meta-analysis pooling mean cognitive outcomes was conducted (PROSPERO ID: CRD42022295765). Sixty-three studies were included in this review; 26 were synthesized in a quantitative meta-analysis. Comorbid metabolic dysregulation was associated with significantly lower global cognition among individuals with mood disorders. These trends were significant within each mood disorder subgroup, including major depressive disorder, bipolar disorder, and self-report depression/depressive symptoms. Type 2 diabetes was associated with the lowest cognitive performance in individuals with mood disorders, followed by peripheral insulin resistance, body mass index ⩾25 kg/m2, and metabolic syndrome. Significant reduction in scores was also observed among individual cognitive domains (in descending order) of working memory, attention, executive function, processing speed, verbal memory, and visual memory. These findings demonstrate the detrimental effects of comorbid metabolic dysfunction in individuals with mood disorders. Further research is required to understand the underlying mechanisms connecting mood disorders, metabolism, and cognition.
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Affiliation(s)
- Kateryna Maksyutynska
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Schizophrenia Division, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Nicolette Stogios
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Schizophrenia Division, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Femin Prasad
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Schizophrenia Division, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Jashan Gill
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Faculty of Science, McMaster University, Hamilton, ON, Canada
| | - Zaineb Hamza
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Riddhita De
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Schizophrenia Division, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Emily Smith
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Schizophrenia Division, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Angelina Horta
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - Benjamin I Goldstein
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Centre for Youth Bipolar Disorder, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada
| | - Daphne Korczak
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Department of Psychiatry, Hospital for Sick Children, Toronto, ON, Canada
| | - Ariel Graff-Guerrero
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Research Imaging Centre, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Margaret K Hahn
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Schizophrenia Division, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Sri Mahavir Agarwal
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Schizophrenia Division, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
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Cai Y, Zhu ZH, Li RH, Yin XY, Chen RF, Man LJ, Hou WL, Zhu HL, Wang J, Zhang H, Jia QF, Hui L. Association between increased serum interleukin-8 levels and improved cognition in major depressive patients with SSRIs. BMC Psychiatry 2023; 23:122. [PMID: 36823619 PMCID: PMC9948487 DOI: 10.1186/s12888-023-04616-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 02/19/2023] [Indexed: 02/25/2023] Open
Abstract
BACKGROUND The effect of neuroinflammatory cytokines on cognitive deficits in patients with major depressive disorder (MDD) can be altered by selective serotonin reuptake inhibitors (SSRIs). This study aimed to examine serum interleukin-8 (IL-8) levels, cognitive function, and their associations in MDD patients with SSRIs. METHODS Thirty SSRI-treated MDD patients and 101 healthy controls were recruited for this study. We examined cognitive performance using the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) and serum IL-8 levels using the Human Inflammatory Cytokine Cytometric Bead Array in both cases and controls. RESULTS The RBANS test scores were significantly lower in MDD patients with SSRIs than in healthy controls after controlling for covariates (all p < 0.001). Serum levels of IL-8 were higher in MDD patients with SSRIs than in healthy controls after adjusting for covariates (F = 3.82, p = 0.05). Serum IL-8 levels were positively correlated with sub-scores of delayed memory (r = 0.37, p = 0.04) and visuospatial/constructional (r = 0.43, p = 0.02) in MDD patients with SSRIs but not in in healthy controls (delayed memory score: r = -0.12, p = 0.24; visuospatial/constructional score: r = 0.02, p = 0.81). CONCLUSIONS Our findings suggested that increased serum IL-8 level might not only be involved in the MDD psychopathology or the use of SSRIs but also correspond to improving MDD delayed memory and visuospatial/constructional function.
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Affiliation(s)
- Yuan Cai
- grid.268099.c0000 0001 0348 3990School of Mental Health, Wenzhou Medical University, Wenzhou, 325035 Zhejiang People’s Republic of China ,grid.263761.70000 0001 0198 0694Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, No. 11 Guangqian Road, Suzhou, 215137 Jiangsu People’s Republic of China
| | - Zhen Hua Zhu
- grid.263761.70000 0001 0198 0694Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, No. 11 Guangqian Road, Suzhou, 215137 Jiangsu People’s Republic of China
| | - Rong Hua Li
- grid.263761.70000 0001 0198 0694Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, No. 11 Guangqian Road, Suzhou, 215137 Jiangsu People’s Republic of China
| | - Xu Yuan Yin
- grid.263761.70000 0001 0198 0694Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, No. 11 Guangqian Road, Suzhou, 215137 Jiangsu People’s Republic of China
| | - Ru Feng Chen
- grid.263761.70000 0001 0198 0694Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, No. 11 Guangqian Road, Suzhou, 215137 Jiangsu People’s Republic of China
| | - Li Juan Man
- grid.263761.70000 0001 0198 0694Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, No. 11 Guangqian Road, Suzhou, 215137 Jiangsu People’s Republic of China
| | - Wen Long Hou
- grid.263761.70000 0001 0198 0694Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, No. 11 Guangqian Road, Suzhou, 215137 Jiangsu People’s Republic of China
| | - Hong Liang Zhu
- grid.263761.70000 0001 0198 0694Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, No. 11 Guangqian Road, Suzhou, 215137 Jiangsu People’s Republic of China
| | - Jing Wang
- grid.263761.70000 0001 0198 0694Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, No. 11 Guangqian Road, Suzhou, 215137 Jiangsu People’s Republic of China
| | - Huiping Zhang
- grid.189504.10000 0004 1936 7558Departments of Psychiatry and Medicine, Boston University Chobanian and Avedisian School of Medicine, Boston, MA 02118-2526 USA
| | - Qiu Fang Jia
- Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, No. 11 Guangqian Road, Suzhou, 215137, Jiangsu, People's Republic of China.
| | - Li Hui
- School of Mental Health, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, People's Republic of China. .,Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, No. 11 Guangqian Road, Suzhou, 215137, Jiangsu, People's Republic of China.
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Lan X, Wu F, Wang C, Wu K, Fang Z, Lao G, Zhang B, Ning Y, Zhou Y. Sex differences in the association of plasma cytokines and neurocognition in first-episode major depressive disorder. J Affect Disord 2023; 322:258-266. [PMID: 36370912 DOI: 10.1016/j.jad.2022.11.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 09/08/2022] [Accepted: 11/06/2022] [Indexed: 11/10/2022]
Abstract
BACKGROUND Peripheral cytokines were found to be involved in the pathophysiology of neurocognition in individuals with major depressive disorder (MDD). However, whether there are sex differences in this association between cytokines and cognition in MDD remains unknown. Our aim is to examine sex differences in the relationship between plasma cytokines and cognition in MDD. METHOD One hundred and twenty-seven first episode drug naïve patients with MDD and sixty healthy controls (HCs) were recruited for present study. The MATRICS Consensus Cognitive Battery was administered to measure the cognition. Plasma concentrations of nineteen cytokines were measured using high sensitivity multiplex bead-based assays. RESULTS Both female and male patients with MDD had significant cognitive impairment in verbal learning and visual learning and had higher levels of a range of cytokines than HCs (all p < 0.05). Female patients performed worse in trail making (F = 4.442, p = 0.018) and had higher concentration of interleukin (IL)-4 (F = 7.775, p = 0.006) than males. In female MDD, a significant positive association between category frequency and level of IL-4 was observed (B = 8.040, p = 0.031). However, this association was not present in male MDD or HCs (p > 0.05). LIMITATION Present study used a cross-sectional design. CONCLUSION Female MDD patients had worse trail making performance and higher level of IL-4 than males. The elevated IL-4 in female MDD was positively associated with category fluency, suggesting that IL-4 may be involved in the pathophysiology related to specific cognitive domain in female MDD patients.
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Affiliation(s)
- Xiaofeng Lan
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Fengchun Wu
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Chengyu Wang
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Kai Wu
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China; Department of Biomedical Engineering, School of Material Science and Engineering, South China University of Technology, Guangzhou, China
| | - Ziyan Fang
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Guohui Lao
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Bin Zhang
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Yuping Ning
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; The First School of Clinical Medicine, Southern Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China.
| | - Yanling Zhou
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China.
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Wang Y, Li X, Yan H, Zhang Q, Ou Y, Wu W, Shangguan W, Chen W, Yu Y, Liang J, Wu W, Liao H, Liu Z, Mai X, Xie G, Guo W. Multiple examinations indicated associations between abnormal regional homogeneity and cognitive dysfunction in major depressive disorder. Front Psychol 2023; 13:1090181. [PMID: 36778176 PMCID: PMC9909210 DOI: 10.3389/fpsyg.2022.1090181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 12/28/2022] [Indexed: 01/27/2023] Open
Abstract
Background This study aimed to investigate the relationships between regional neural activity and multiple related indicators in patients with major depressive disorder (MDD). Methods Forty-two patients and 42 healthy controls (HCs) were enrolled. Pearson/Spearman correlation analyses were applied to examine the associations between abnormal regional homogeneity (ReHo) and different indicators in the patients. Results Compared with HCs, patients with MDD had increased ReHo in the left inferior temporal gyrus (ITG) and decreased ReHo values in the left putamen, anterior cingulate cortex (ACC), and precentral gyrus. The ReHo of the left putamen was positively correlated with the PR interval, Repeatable Battery for the Assessment of Neuropsychological Status 4A, and Discriminant analysis (D), and negatively correlated with Ae (block) and Ae (total) in the patients. The ReHo value of the left ACC was positively correlated with the severity of depression, Stroop Color Word Test of C - 2B + 100 in reaction time, and negatively correlated with Ce (Missay) and Perseverative Responses in the patients. The ReHo of the left ITG was positively correlated with the Neuroticism scores and negatively correlated with the Lie scores in the patients. Conclusion These results suggested that the decreased ReHo of the salience network might be the underpinning of cognitive impairments in patients with MDD.
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Affiliation(s)
- Yun Wang
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Xiaoling Li
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Haohao Yan
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Qinqin Zhang
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Yangpan Ou
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Weibin Wu
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Webo Shangguan
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Wensheng Chen
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Yang Yu
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Jiaquan Liang
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Wanting Wu
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Hairong Liao
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Zishan Liu
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Xiancong Mai
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China
| | - Guojun Xie
- Department of Psychiatry, The Third People's Hospital of Foshan, Foshan, Guangdong, China,*Correspondence: Guojun Xie, ✉
| | - Wenbin Guo
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China,Wenbin Guo, ✉
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Yu Y, Yan P, Cheng G, Liu D, Xu L, Yang M, Xu H, Cheng X, Lian P, Zeng Y. Correlation between serum lipid profiles and cognitive impairment in old age: a cross-sectional study. Gen Psychiatr 2023; 36:e101009. [PMID: 37144157 PMCID: PMC10151832 DOI: 10.1136/gpsych-2023-101009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 04/04/2023] [Indexed: 05/06/2023] Open
Abstract
Background The correlation between cognitive function and lipid profiles, including total cholesterol, low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C) and triglycerides, is inconsistent. Aims This cross-sectional study investigated the association between serum lipid levels and the prevalence of cognitive impairment among community-dwelling older adults and explored this difference in association by gender and urban-rural residency. Methods Participants aged 65 and above in urban and rural areas were recruited between 2018 and 2020, selected from the Hubei Memory and Aging Cohort Study. Detailed neuropsychological evaluations, clinical examinations and laboratory tests were conducted in community health service centres. Multivariate logistic regression was used to analyse the correlation between serum lipid profiles and the prevalence of cognitive impairment. Results We identified 1 336 cognitively impaired adults (≥65 years)-1 066 with mild cognitive impairment and 270 with dementia-from 4 746 participants. Triglycerides level was correlated with cognitive impairment in the total sample (χ2=6.420, p=0.011). In gender-stratified multivariate analysis, high triglycerides in males reduced the risk of cognitive impairment (OR: 0.785, 95% CI: 0.623 to 0.989, p=0.040), and high LDL-C in females increased the risk of cognitive impairment (OR: 1.282, 95% CI: 1.040 to 1.581, p=0.020). In both gender-stratified and urban-rural stratified multivariate analyses, high triglycerides reduced the risk of cognitive impairment in older urban men (OR: 0.734, 95% CI: 0.551 to 0.977, p=0.034), and high LDL-C increased the risk of cognitive impairment in older rural women (OR: 1.830, 95% CI: 1.119 to 2.991, p=0.016). Conclusions There are gender and urban-rural differences in the correlation of serum lipids with cognitive impairment. High triglycerides levels may be a protective factor for cognitive function in older urban men, while high LDL-C levels may be a risk factor for cognitive function in older rural women.
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Affiliation(s)
- Yafu Yu
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology School of Medicine, Wuhan, Hubei, China
| | - Pingting Yan
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology School of Medicine, Wuhan, Hubei, China
- Xiangyang No. 1 People's Hospital Affiliated to Hubei University of Medicine, Xiangyang, Hubei, China
| | - Guirong Cheng
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology School of Medicine, Wuhan, Hubei, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei, China
| | - Dan Liu
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology School of Medicine, Wuhan, Hubei, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei, China
| | - Lang Xu
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology School of Medicine, Wuhan, Hubei, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei, China
| | - Mengliu Yang
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology School of Medicine, Wuhan, Hubei, China
| | - Heng Xu
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology School of Medicine, Wuhan, Hubei, China
| | - Xi Cheng
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology School of Medicine, Wuhan, Hubei, China
| | - Pengfei Lian
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology School of Medicine, Wuhan, Hubei, China
| | - Yan Zeng
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology School of Medicine, Wuhan, Hubei, China
- Geriatric Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, Hubei, China
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Wang Y, Meng W, Liu Z, An Q, Hu X. Cognitive impairment in psychiatric diseases: Biomarkers of diagnosis, treatment, and prevention. Front Cell Neurosci 2022; 16:1046692. [DOI: 10.3389/fncel.2022.1046692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022] Open
Abstract
Psychiatric diseases, such as schizophrenia, bipolar disorder, autism spectrum disorder, and major depressive disorder, place a huge health burden on society. Cognitive impairment is one of the core characteristics of psychiatric disorders and a vital determinant of social function and disease recurrence in patients. This review thus aims to explore the underlying molecular mechanisms of cognitive impairment in major psychiatric disorders and identify valuable biomarkers for diagnosis, treatment and prevention of patients.
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Effect of nisin and potassium sorbate additions on lipids and nutritional quality of Tan sheep meat. Food Chem 2021; 365:130535. [PMID: 34256226 DOI: 10.1016/j.foodchem.2021.130535] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 06/07/2021] [Accepted: 07/02/2021] [Indexed: 12/22/2022]
Abstract
Nisin and potassium sorbate as preservatives are used in a broad range of meat. A lipidomic evaluation was performed on Tan sheep meat treated by two types of preservatives. The addition of potassium sorbate resulted in higher lipid losses compared with nisin treatment. Furthermore, 106 significant lipids of 12 lipid classes (PC, PS, LPS, LPC, PE, PI, LPE, TG, Cer, DG, SM, Sph) with variable importance in projection scores greater than 1.0 were detected and qualified to distinguish different preservatives added meat using UHPLC-Q-Orbitrap MS/MS. LOD and LOQ were 0.12-0.32 μg kg-1 and 0.35-0.89 μg kg-1, indicating high sensitivity and excellent analytical characteristics in the study. Nisin was confirmed to be the better preservative for prolonging the shelf life of Tan sheep meat while reducing the loss of nutrients. These results could provide a strong cornerstone for future research on preservatives in meat products.
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