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Liu Y, Lv W, Li H, Xie P, Liu S, Chen J, Yuan Z. 2,2-Dichloroacetamide exposure induces behavior and memory disorders in mice: Detrimental effects of long-term dietary restriction on neurotoxicity. Food Chem Toxicol 2024; 185:114477. [PMID: 38296181 DOI: 10.1016/j.fct.2024.114477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/10/2024] [Accepted: 01/20/2024] [Indexed: 02/05/2024]
Abstract
2, 2-dichloroacetamide (DCAcAm), a nitrogen-containing disinfection byproduct (DBPs), is commonly found in potable water. This study aimed to compare the neurotoxicity of DCAcAm in C57/BL6 mice at both environmentally relevant and higher doses through oral exposure over a 28-day period. Furthermore, the potential effects of dietary restriction (DR) on the cerebral toxicity induced by 20 ppb DCAcAm were examined. The findings indicated that DCAcAm exposure and DR treatment resulted in reduced memory retention and cognitive adaptability in mice. Additionally, higher doses of DCAcAm exposure induced severe brain inflammation and oxidative stress. Metabolic profiling revealed disruptions in fatty acid, energy, and amino acid metabolism in the brain. Remarkably, the negative impacts of 20 ppb DCAcAm on the mice brain were worsened by DR treatment. Analysis of 16S rRNA sequencing revealed notable changes in the composition and structure of intestinal microorganisms after exposure to DCAcAm. This study discovered that DCAcAm has both direct effects on the brain and indirect effects through the microbial-brain-intestinal axis, which collectively result in neurotoxicity and dietary restriction exacerbates these effects. This study provides emerging views on the assessment of the toxicity of nitrogen containing DBPs.
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Affiliation(s)
- Yafeng Liu
- School of Engineering, China Pharmaceutical University, Nanjing, 211198, China
| | - Wang Lv
- School of Engineering, China Pharmaceutical University, Nanjing, 211198, China
| | - Huan Li
- School of Engineering, China Pharmaceutical University, Nanjing, 211198, China
| | - Pengfei Xie
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Su Liu
- School of Engineering, China Pharmaceutical University, Nanjing, 211198, China; School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China.
| | - Jianqiu Chen
- School of Engineering, China Pharmaceutical University, Nanjing, 211198, China.
| | - Zhenwei Yuan
- School of Engineering, China Pharmaceutical University, Nanjing, 211198, China.
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Arslan MA, Tunçel ÖK, Bilgici B, Karaustaoğlu A, Gümrükçüoğlu Tİ. Increased levels of lipid and protein oxidation in rat prefrontal cortex after treatment by lithium, valproic acid, and olanzapine. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:2721-2728. [PMID: 37093250 DOI: 10.1007/s00210-023-02494-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 04/12/2023] [Indexed: 04/25/2023]
Abstract
Oxidative stress is widely accepted to contribute to the pathogenesis of several psychiatric diseases. Many antipsychotic drugs and mood stabilizers act through restoration of the dysregulated oxidative homeostasis in the brain. However, the long-term effect of these drugs per se in terms of their potential to interfere with the oxidative status in the brain remains largely controversial. The present study aimed to investigate the sole effect of three commonly used psychoactive drugs, lithium, valproic acid, and olanzapine, on lipid and protein oxidation status in the prefrontal cortex of healthy rats. A total of 80 adult male albino Wistar rats were used, and groups were treated with saline (control), lithium, valproic acid, or olanzapine daily for 30 days. Following sacrification, right prefrontal cortexes were dissected and homogenized. Lipid peroxidation (LPO) and protein oxidation (AOPP) assays were performed by ELISA. LPO levels were significantly higher in lithium and valproic acid-treated rats by 45% and 40%, respectively. Olanzapine treatment caused a mild 26% increase in LPO levels, but the effect was non-significant. Lithium, valproic acid, and olanzapine treatments significantly increased AOPP levels by 58%, 54%, and 36.5%, respectively. There was a strong positive correlation between the lipid peroxidation and protein oxidation levels. Our results call attention to the need to consider the pro-oxidative capacity of antipsychotic drugs per se and their potential to disturb the oxidative homeostasis in the brain during long-term medication for psychiatric diseases.
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Affiliation(s)
- Mehmet Alper Arslan
- Faculty of Medicine, Department of Medical Biology, Ondokuz Mayıs University, Samsun, Turkey.
| | - Özgür Korhan Tunçel
- Faculty of Medicine, Department of Medical Biochemistry, Ondokuz Mayıs University, Samsun, Turkey
| | - Birşen Bilgici
- Faculty of Medicine, Department of Medical Biochemistry, Ondokuz Mayıs University, Samsun, Turkey
| | - Arzu Karaustaoğlu
- Faculty of Medicine, Department of Medical Biochemistry, Ondokuz Mayıs University, Samsun, Turkey
| | - Taner İlker Gümrükçüoğlu
- Faculty of Medicine, Department of Medical Biochemistry, Ondokuz Mayıs University, Samsun, Turkey
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Lakkab I, Ouakil A, El Hajaji H, Lachkar N, Lefter R, Ciobica A, El Bali B, Dobrin R, Hritcu LD, Lachkar M. Carob Seed Peels Effect on Cognitive Impairment and Oxidative Stress Status in Methionine-Induced Mice Models of Schizophrenia. Brain Sci 2022; 12:brainsci12121660. [PMID: 36552121 PMCID: PMC9775430 DOI: 10.3390/brainsci12121660] [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: 10/31/2022] [Revised: 11/29/2022] [Accepted: 11/30/2022] [Indexed: 12/07/2022] Open
Abstract
Background:Ceratonia siliqua L. (Carob tree) is a Mediterranean evergreen, well known for its medicinal properties. The different parts of Carob were proven to exert antidiabetic, antibacterial, antifungal, and antiproliferative effects. Hence, the present paper aims to validate the positive correlation between the high antioxidant activity of carob seed peels and the improvement of negative symptoms of schizophrenia. Materials & Methods: The antioxidant activity was carried out using the β-carotene test. Methionine and carob seed peels (CSP) extracts (50 and 100 mg/kg) were orally administrated to mice for a week. After administration, behavioral tests were assessed using the Y-maze, elevated plus maze, and forced swimming tests, as well as the novel object recognition task. Furthermore, the oxidative stress status was evaluated by analyzing the levels of the antioxidant enzymes: Superoxide dismutase (SOD), glutathione peroxidase (GPx), and malondialdehyde levels (MDA). Results: Both extracts exhibited remarkable antioxidant activity and showed antibacterial effect against Gram-positive bacteria tested (Bacillus subtilis and Staphylococcus aureus) and against Pseudomonas aeruginosa (Gram-negative). Therefore, Escherichia coli was very resistant. The behavioral tests proved the efficacy of CSP in enhancing the cognitive impairment of animal models of schizophrenia. Hence, the stated correlation between oxidative stress and schizophrenia was confirmed by the increased SOD and GPx activities and the decreased MDA level. Conclusions: The present study gave further confirmation of the potential correlation between oxidative stress and the development of psychiatric disorders and highlighted the use of natural antioxidants, especially Ceratonia siliqua L. in the improvement of cognitive impairment in the dementia of schizophrenia.
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Affiliation(s)
- Imane Lakkab
- Engineering Laboratory of Organometallic, Molecular Materials, and Environment, Faculty of Sciences, Sidi Mohammed Ben Abdellah University, Fez 30000, Morocco
| | - Abdelmoughite Ouakil
- Engineering Laboratory of Organometallic, Molecular Materials, and Environment, Faculty of Sciences, Sidi Mohammed Ben Abdellah University, Fez 30000, Morocco
| | - Hanane El Hajaji
- Engineering Laboratory of Organometallic, Molecular Materials, and Environment, Faculty of Sciences, Sidi Mohammed Ben Abdellah University, Fez 30000, Morocco
| | - Nadya Lachkar
- Engineering Laboratory of Organometallic, Molecular Materials, and Environment, Faculty of Sciences, Sidi Mohammed Ben Abdellah University, Fez 30000, Morocco
| | - Radu Lefter
- Center of Biomedical Research, Romanian Academy, Iasi, B dul Carol I, No 8, 010071 Bucharest, Romania
| | - Alin Ciobica
- Department of Research, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, Bd. Carol I, 20A, 700505 Iasi, Romania
| | | | - Romeo Dobrin
- Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy, Strada Universitatii 16, 700115 Iasi, Romania
- Correspondence: (R.D.); (L.D.H.)
| | - Luminita Diana Hritcu
- Internal Medicine Clinic, Ion Ionescu from Brad University of Life Sciences, 3 Sadoveanu Alley, 700490 Iasi, Romania
- Correspondence: (R.D.); (L.D.H.)
| | - Mohammed Lachkar
- Engineering Laboratory of Organometallic, Molecular Materials, and Environment, Faculty of Sciences, Sidi Mohammed Ben Abdellah University, Fez 30000, Morocco
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Kajero JA, Seedat S, Ohaeri J, Akindele A, Aina O. Effects of cannabidiol on vacuous chewing movements, plasma glucose and oxidative stress indices in rats administered high dose risperidone. Sci Rep 2022; 12:19718. [PMID: 36385633 PMCID: PMC9669024 DOI: 10.1038/s41598-022-24235-0] [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: 05/13/2022] [Accepted: 11/11/2022] [Indexed: 11/17/2022] Open
Abstract
Atypical antipsychotics, despite their rapid dissociation from dopamine receptors and reduced tendency to induce oxidative stress, have been associated with difficult-to-manage movement disorders, including tardive dyskinesia (TD). The study set out to investigate the effects of cannabidiol (CBD), a potent antioxidant, on risperidone-induced behavioural and motor disturbances; namely vacuous chewing movements (VCM), and oxidative stress markers (e.g. superoxide dismutase (SOD), catalase (CAT), reduced glutathione (GSH), malondialdehyde (MDA), Nitric oxide (NO), and DPPH (2,2-diphenyl-1-picrylhydrazyl)). Oral risperidone (10 mg/kg) or oral CBD (5 mg/kg) were administered to six experimental groups. While risperidone alone was administered for 28 days, CBD concomitantly or in sequential order with risperidone, was administered for 28 days; and CBD alone was administered for 21 days. Behavioural, motor, and specific biochemical parameters, which included VCM, muscle tone, fasting blood sugar (FBS), and oxidative stress markers were assessed at different time points after the last dose of medication. Oral CBD (5 mg/kg) significantly reduced risperidone-induced elevated FBS when given after the administration of risperidone. Oral CBD also had effects on VCM when administered before risperidone and similarly, attenuated risperidone-induced increased muscle tone. It was also established that concomitant or sequential administration of CBD and risperidone did not have any adverse effects on cognition or locomotion. Both CBD and risperidone increased the activity of antioxidant enzymes and decreased the activity of pro-oxidant enzymes. This study suggests CBD could mitigate metabolic dysregulation and extrapyramidal side effects associated with risperidone without producing cognitive impairments.
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Affiliation(s)
- Jaiyeola Abiola Kajero
- grid.11956.3a0000 0001 2214 904XDepartment of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Francie van Zijl Drive Tygerberg, PO Box 241, Cape Town, 7505 South Africa ,grid.490120.e0000 0004 9338 1163Present Address: Federal Neuropsychiatric Hospital, 8, Harvey Road, P.M.B 2008, Yaba, Lagos Nigeria
| | - Soraya Seedat
- grid.11956.3a0000 0001 2214 904XDepartment of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Francie van Zijl Drive Tygerberg, PO Box 241, Cape Town, 7505 South Africa
| | - Jude Ohaeri
- grid.10757.340000 0001 2108 8257Department of Psychological Medicine, Teaching Hospital, University of Nigeria, P.O. Box 3236, Enugu, Enugu State Nigeria
| | - Abidemi Akindele
- grid.411782.90000 0004 1803 1817Department of Pharmacology, Therapeutics & Toxicology, Faculty of Basic Medical Sciences, College of Medicine, University of Lagos, Private Mail Bag 12003, Lagos, Nigeria
| | - Oluwagbemiga Aina
- grid.416197.c0000 0001 0247 1197Department of Biochemistry and Nutrition, Nigerian Institute of Medical Research, 6 Edmund Crescent, Off Murtala Mohammed Way, P.M.B. 2013, Yaba, Lagos, 100001 Nigeria
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Decreased Activity of Erythrocyte Catalase and Glutathione Peroxidase in Patients with Schizophrenia. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58101491. [PMID: 36295651 PMCID: PMC9609318 DOI: 10.3390/medicina58101491] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/05/2022] [Accepted: 09/07/2022] [Indexed: 11/17/2022]
Abstract
Background and Objectives: Catalase and glutathione peroxidase (GPx) are important antioxidant enzymes that break down hydrogen peroxide (H2O2) in order to control its intracellular concentration, thus enabling its physiological role and preventing toxic effects. A lack or disruption of their function leads to the accumulation of hydrogen peroxide and the occurrence of oxidative stress. Accumulating studies have shown that the activities of key antioxidant enzymes are impaired in patients with schizophrenia. Since the published results are contradictory, and our previous studies found significantly higher erythrocyte superoxide dismutase (SOD) activity in patients with schizophrenia, the aim of this study was to determine the activity of enzymes that degrade hydrogen peroxide in the same group of patients, as well as to examine their dependence on clinical symptoms, therapy, and parameters associated with this disease. Materials and Methods: Catalase and GPx activities were determined in the erythrocytes of 68 inpatients with schizophrenia and 59 age- and gender-matched healthy controls. The clinical assessment of patients was performed by using the Positive and Negative Syndrome Scale (PANSS). The catalase activity was measured by the kinetic spectrophotometric method, while the GPx activity was determined by the commercially available Ransel test. Results: Erythrocyte catalase and GPx activities were significantly lower (p < 0.001 and p < 0.01, respectively) in subjects with schizophrenia than they were in healthy individuals. Lower catalase activity does not depend on heredity, disease onset, the number of episodes, or disease duration, while GPx activity showed significant changes in patients who had more than one episode and in those who had been suffering from the disease for over a year. Significantly lower catalase activity was noted in the PANSS(+/−) group in comparison with the PANSS(+) and PANSS(−) groups. The lowest catalase activity was found in subjects who were simultaneously treated with first- and second-generation antipsychotics; this was significantly lower than it was in those who received only one class of antipsychotics. Conclusion: These results indicate the presence of oxidative stress in the first years of clinically manifested schizophrenia and its dependence on the number of psychotic episodes, illness duration, predominant symptomatology, and antipsychotic medication.
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Nicholson JL, Toh P, Alfulaij N, Berry MJ, Torres DJ. New insights on selenoproteins and neuronal function. Free Radic Biol Med 2022; 190:55-61. [PMID: 35948259 DOI: 10.1016/j.freeradbiomed.2022.07.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/17/2022] [Accepted: 07/26/2022] [Indexed: 10/15/2022]
Abstract
Fifty years have passed since the discovery of the first selenoprotein by Rotruck and colleagues. In that time, the essential nature of selenium has come to light including the dependence of the brain on selenium to function properly. Animal models have shown that a lack of certain selenoproteins in the brain is detrimental for neuronal health, sometimes leading to neurodegeneration. There is also potential for selenoprotein-mediated redox balance to impact neuronal activity, including neurotransmission. Important insights on these topics have been gained over the past several years. This review briefly summarizes the known roles of specific selenoproteins in the brain while highlighting recent advancements regarding selenoproteins in neuronal function. Hypothetical models of selenoprotein function and emerging topics in the field are also provided.
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Affiliation(s)
- Jessica L Nicholson
- Department of Cell & Molecular Biology, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, 96813, USA; Pacific Biosciences Research Center, School of Ocean and Earth Science and Technology, University of Hawaii at Manoa, Honolulu, HI, 96822, USA.
| | - Pamela Toh
- Pacific Biosciences Research Center, School of Ocean and Earth Science and Technology, University of Hawaii at Manoa, Honolulu, HI, 96822, USA.
| | - Naghum Alfulaij
- Pacific Biosciences Research Center, School of Ocean and Earth Science and Technology, University of Hawaii at Manoa, Honolulu, HI, 96822, USA.
| | - Marla J Berry
- Pacific Biosciences Research Center, School of Ocean and Earth Science and Technology, University of Hawaii at Manoa, Honolulu, HI, 96822, USA.
| | - Daniel J Torres
- Pacific Biosciences Research Center, School of Ocean and Earth Science and Technology, University of Hawaii at Manoa, Honolulu, HI, 96822, USA.
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Liu H, Liu H, Jiang S, Su L, Lu Y, Chen Z, Li X, Li X, Wang X, Xiu M, Zhang X. Sex-Specific Association between Antioxidant Defense System and Therapeutic Response to Risperidone in Schizophrenia: A Prospective Longitudinal Study. Curr Neuropharmacol 2022; 20:1793-1803. [PMID: 34766896 PMCID: PMC9881066 DOI: 10.2174/1570159x19666211111123918] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/14/2021] [Accepted: 09/20/2021] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND There are various differences in response to different antipsychotics and antioxidant defense systems (ADS) by sex. Previous studies have shown that several ADS enzymes are closely related to the treatment response of patients with antipsychotics-naïve first-episode (ANFE) schizophrenia. OBJECTIVE Therefore, the main goal of this study was to assess the sex difference in the relationship between changes in ADS enzyme activities and risperidone response. METHODS The plasma activities of glutathione peroxidase (GPx), catalase (CAT), superoxide dismutase (SOD), and total antioxidant status (TAS) were measured in 218 patients and 125 healthy controls. Patients were treated with risperidone for 3 months, and we measured PANSS for psychopathological symptoms and ADS biomarkers at baseline and at the end of 3 months of treatment. We compared sex-specific group differences between 50 non-responders and 168 responders at baseline and at the end of the three months of treatment. RESULTS We found that female patients responded better to risperidone treatment than male patients. At baseline and 3-month follow-up, there were no significant sex differences in TAS levels and three ADS enzyme activities. Interestingly, only in female patients, after 12 weeks of risperidone treatment, the GPx activity of responders was higher than that of non-responders. CONCLUSION These results indicate that after treatment with risperidone, changes in GPx activity were associated with treatment response, suggesting that changes in GPx may be a predictor of response to risperidone treatment in female patients with ANFE schizophrenia.
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Affiliation(s)
- Haixia Liu
- Department of Psychiatry, Shandong Mental Health Center, Jinan, China;
| | - Hua Liu
- Qingdao Mental Health Center, Qingdao University, Qingdao, China;
| | - Shuling Jiang
- Department of Neurology, Linyi Central Hospital, Shandong, China;
| | - Lei Su
- Department of Psychiatry, Shandong Mental Health Center, Jinan, China;
| | - Yi Lu
- Department of Psychiatry, Shandong Mental Health Center, Jinan, China;
| | - Zhenli Chen
- Department of Psychiatry, Shandong Mental Health Center, Jinan, China;
| | - Xiaojing Li
- Department of Psychiatry, Shandong Mental Health Center, Jinan, China;
| | - Xirong Li
- Department of Psychiatry, Shandong Mental Health Center, Jinan, China;
| | - Xuemei Wang
- Department of Psychiatry, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China; ,Address correspondence to these authors at the CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China; E-mail: ; Department of Psychiatry, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China; E-mail: ; Linyin Road, Qixing District, Suzhou, Jiangsu, 215006, China; E-mail:
| | - Meihong Xiu
- Peking University HuiLongGuan Clinical Medical School, Beijing HuiLongGuan Hospital, Beijing, China; ,Address correspondence to these authors at the CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China; E-mail: ; Department of Psychiatry, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China; E-mail: ; Linyin Road, Qixing District, Suzhou, Jiangsu, 215006, China; E-mail:
| | - Xiangyang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China,Address correspondence to these authors at the CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China; E-mail: ; Department of Psychiatry, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China; E-mail: ; Linyin Road, Qixing District, Suzhou, Jiangsu, 215006, China; E-mail:
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Liu H, Yu R, Gao Y, Li X, Guan X, Thomas K, Xiu M, Zhang X. Antioxidant Enzymes and Weight Gain in Drug-naive First-episode Schizophrenia Patients Treated with Risperidone for 12 Weeks: A Prospective Longitudinal Study. Curr Neuropharmacol 2022; 20:1774-1782. [PMID: 34544343 PMCID: PMC9881063 DOI: 10.2174/1570159x19666210920090547] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 08/10/2021] [Accepted: 08/14/2021] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Oxidative stress plays an important role in weight gain induced by antipsychotics in schizophrenia (SCZ). However, little is known about how antioxidant enzymes are involved in weight gain caused by risperidone monotherapy in antipsychotics-naïve first-episode (ANFE) patients with SCZ. Therefore, the main purpose of this study was to investigate the effects of risperidone on several antioxidant enzymes in patients with ANFE SCZ and the relationship between weight gain and changes in antioxidant enzyme activities. OBJECTIVE The activities of plasma superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx), as well as the levels of malondialdehyde (MDA) were measured in 225 ANFE patients and 125 healthy controls. METHODS Patients were treated with risperidone monotherapy for 12 weeks. Clinical symptoms, antioxidant enzyme activities, and MDA levels were measured at baseline and during follow-up. RESULTS Compared with healthy controls, the patients showed higher activities of SOD and CAT but lower MDA levels and GPx activity. At baseline, the CAT activity was associated with body weight or BMI. Further, based on a 7% weight increase from baseline to follow-up, we found 75 patients in the weight gain (WG) group and 150 patients in the non-WG group. Comparing SOD, CAT, GPx activities and MDA levels between the WG group and the non-WG group at baseline and during the 12-week follow-up, it was found that after treatment, the SOD activity in the WG group increased while the MDA level decreased in the non-WG group. Moreover, baseline SOD and GPx activities were predictors of weight gain at 12-week follow-up. CONCLUSION These results suggest that the antioxidant defense system may have predictive value for the weight gain of ANFE SCZ patients after risperidone treatment.
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Affiliation(s)
- Haixia Liu
- Department of Psychiatry, Shandong Mental Health Center, Jinan, China;
| | - Rui Yu
- Qingdao Mental Health Center, Qingdao University, Qingdao, China;
| | - Yanan Gao
- Qingdao Mental Health Center, Qingdao University, Qingdao, China;
| | - Xirong Li
- Department of Psychiatry, Shandong Mental Health Center, Jinan, China;
| | - Xiaoni Guan
- Peking University HuiLong Guan Clinical Medical School, Beijing HuiLongGuan Hospital, Beijing, China;
| | - Kosten Thomas
- Mental Health Care Line, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas; Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston,Texas;
| | - Meihong Xiu
- Peking University HuiLong Guan Clinical Medical School, Beijing HuiLongGuan Hospital, Beijing, China; ,Address correspondence to these authors at the CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China; Tel: (86-10) 64879520; E-mail: ; Peking University HuiLong Guan Clinical Medical School, Beijing HuiLongGuan Hospital, Beijing, China; Tel: (86-10) 83024429; E-mail:
| | - Xiangyang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China,Address correspondence to these authors at the CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China; Tel: (86-10) 64879520; E-mail: ; Peking University HuiLong Guan Clinical Medical School, Beijing HuiLongGuan Hospital, Beijing, China; Tel: (86-10) 83024429; E-mail:
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Kramar B, Pirc Marolt T, Monsalve M, Šuput D, Milisav I. Antipsychotic Drug Aripiprazole Protects Liver Cells from Oxidative Stress. Int J Mol Sci 2022; 23:ijms23158292. [PMID: 35955425 PMCID: PMC9368927 DOI: 10.3390/ijms23158292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/22/2022] [Accepted: 07/25/2022] [Indexed: 11/23/2022] Open
Abstract
Antipsychotics used to treat schizophrenia can cause drug-induced liver injury (DILI), according to the Roussel Uclaf Causality Assessment Method. The role of oxidative stress in triggering injury in these DILI cases is unknown. We repeatedly administrated two second-generation antipsychotics, aripiprazole and olanzapine, at laboratory alert levels to study underlying mechanisms in stress prevention upon acute oxidative stress. The drugs were administered continuously for up to 8 weeks. For this, hepatoma Fao cells, which are suitable for metabolic studies, were used, as the primary hepatocytes survive in the culture only for about 1 week. Four stress responses—the oxidative stress response, the DNA damage response and the unfolded protein responses in the endoplasmic reticulum and mitochondria—were examined in H2O2-treated cells by antioxidant enzyme activity measurements, gene expression and protein quantification. Oxidant conditions increased the activity of antioxidant enzymes and upregulated genes and proteins associated with oxidative stress response in aripiprazole-treated cells. While the genes associated with DNA damage response, Gadd45 and p21, were upregulated in both aripiprazole- and olanzapine-treated cells, only aripiprazole treatment was associated with upregulation in response to even more H2O2, which also coincided with better survival. Endoplasmic reticulum stress-induced Chop was also upregulated; however, neither endoplasmic reticulum nor mitochondrial unfolded protein response was activated. We conclude that only aripiprazole, but not olanzapine, protects liver cells against oxidative stress. This finding could be relevant for schizophrenia patients with high-oxidative-stress-risk lifestyles and needs to be validated in vivo.
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Affiliation(s)
- Barbara Kramar
- University of Ljubljana, Faculty of Medicine, Institute of Pathophysiology, Zaloska 4, SI-1000 Ljubljana, Slovenia; (B.K.); (T.P.M.); (D.Š.)
| | - Tinkara Pirc Marolt
- University of Ljubljana, Faculty of Medicine, Institute of Pathophysiology, Zaloska 4, SI-1000 Ljubljana, Slovenia; (B.K.); (T.P.M.); (D.Š.)
| | - Maria Monsalve
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier, 4, 28029 Madrid, Spain;
| | - Dušan Šuput
- University of Ljubljana, Faculty of Medicine, Institute of Pathophysiology, Zaloska 4, SI-1000 Ljubljana, Slovenia; (B.K.); (T.P.M.); (D.Š.)
| | - Irina Milisav
- University of Ljubljana, Faculty of Medicine, Institute of Pathophysiology, Zaloska 4, SI-1000 Ljubljana, Slovenia; (B.K.); (T.P.M.); (D.Š.)
- University of Ljubljana, Faculty of Health Sciences, Laboratory of Oxidative Stress Research, Zdravstvena pot 5, SI-1000 Ljubljana, Slovenia
- Correspondence:
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10
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Li N, Yang P, Tang M, Liu Y, Guo W, Lang B, Wang J, Wu H, Tang H, Yu Y, Wu X, Zeng C, Cao T, Cai H. Reduced erythrocyte membrane polyunsaturated fatty acid levels indicate diminished treatment response in patients with multi- versus first-episode schizophrenia. SCHIZOPHRENIA (HEIDELBERG, GERMANY) 2022; 8:7. [PMID: 35217671 PMCID: PMC8881498 DOI: 10.1038/s41537-022-00214-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 02/01/2022] [Indexed: 11/09/2022]
Abstract
Antipsychotic effects seem to decrease in relapsed schizophrenia patients and the underlying mechanisms remain to be elucidated. Based on the essential role of polyunsaturated fatty acids in brain function and the treatment of schizophrenia, we hypothesize that disordered fatty acid metabolism may contribute to treatment resistance in multi-episode patients. We analyzed the erythrocyte membrane fatty acids in 327 schizophrenia patients under various episodes (numbers of patients: first-episode drug naïve 89; 2–3 episodes 110; 4–6 episodes 80; over 6 episodes 48) and 159 age- and gender-matched healthy controls. Membrane fatty acid levels and PANSS scales were assessed at baseline of antipsychotic-free period and one-month of follow-up after treatment. Totally, both saturated and unsaturated fatty acids were reduced at baseline when compared to healthy controls. Subgroup analyses among different episodes indicated that in response to atypical antipsychotic treatment, the membrane fatty acids were only increased in patients within 3 episodes, and this therapeutic effects on omega-3 index were merely present in the first episode. Results of fatty acid ratios suggested that dysregulations of enzymes such as D6 desaturase, D5 desaturase, and elongases for polyunsaturated fatty acids in patients with multi-episode schizophrenia could account for the differences. Additionally, certain fatty acid level/ratio changes were positively correlated with symptom improvement. The alterations of C22:5n3 and omega-3 index, gender, and the number of episodes were significant risk factors correlated with treatment responsiveness. Using targeted metabolomic approach, we revealed the potential mechanisms underlying abnormal fatty acid metabolism responsible for reduced treatment response in patients with multi-episode schizophrenia.
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Affiliation(s)
- Nana Li
- Department of Pharmacy, the Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China.,Institute of Clinical Pharmacy, Central South University, Changsha, Hunan Province, China
| | - Ping Yang
- Department of Psychiatry, the Second People's Hospital of Hunan Province, Changsha, Hunan Province, China
| | - Mimi Tang
- Department of Pharmacy, Xiangya Hospital of Central South University, Changsha, Hunan Province, China.,Institute of Hospital Pharmacy, Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Yong Liu
- Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China.,National Clinical Research Center on Mental Disorders, Changsha, Hunan Province, China
| | - Wenbin Guo
- Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China.,National Clinical Research Center on Mental Disorders, Changsha, Hunan Province, China
| | - Bing Lang
- Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China.,National Clinical Research Center on Mental Disorders, Changsha, Hunan Province, China
| | - Jianjian Wang
- Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China.,National Clinical Research Center on Mental Disorders, Changsha, Hunan Province, China
| | - Haishan Wu
- Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China.,National Clinical Research Center on Mental Disorders, Changsha, Hunan Province, China
| | - Hui Tang
- Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China.,National Clinical Research Center on Mental Disorders, Changsha, Hunan Province, China
| | - Yan Yu
- Department of Psychiatry, Changsha Psychiatric Hospital, Changsha, Hunan Province, China
| | - Xiangxin Wu
- Department of Pharmacy, the Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China.,Institute of Clinical Pharmacy, Central South University, Changsha, Hunan Province, China
| | - Cuirong Zeng
- Department of Pharmacy, the Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China.,Institute of Clinical Pharmacy, Central South University, Changsha, Hunan Province, China
| | - Ting Cao
- Department of Pharmacy, the Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China.,Institute of Clinical Pharmacy, Central South University, Changsha, Hunan Province, China
| | - Hualin Cai
- Department of Pharmacy, the Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China. .,Institute of Clinical Pharmacy, Central South University, Changsha, Hunan Province, China.
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11
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Tsoporis JN, Ektesabi AM, Gupta S, Izhar S, Salpeas V, Rizos IK, Kympouropoulos SP, Dos Santos CC, Parker TG, Rizos E. A longitudinal study of alterations of circulating DJ-1 and miR203a-3p in association to olanzapine medication in a sample of first episode patients with schizophrenia. J Psychiatr Res 2022; 146:109-117. [PMID: 34971908 DOI: 10.1016/j.jpsychires.2021.12.049] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/16/2021] [Accepted: 12/20/2021] [Indexed: 10/19/2022]
Abstract
Among different proposed pathophysiological mechanisms, redox imbalance has been suggested to be a potential contributor in the pathogenesis of schizophrenia. DJ-1 is a redox-sensitive protein that has been shown to have neuroprotective function in the brain in Parkinson's disease and other neurodegenerative diseases. However, a role for DJ-1 in schizophrenia is unknown. Bioinformatic analysis suggested that microRNA (miR)-203a-3p could target the 3' untranslated region (UTR) of DJ-1. In whole blood and blood-derived exosomes of 11 first episode antipsychotic naïve schizophrenia patients, DJ-1 protein and mRNA demonstrated decreased DJ-1 mRNA and protein and increased miR203a-3p levels compared to healthy controls. In whole blood, antipsychotic monotherapy with olanzapine for 6 weeks increased DJ-1 and attenuated miR203a-3p levels, whereas in blood derived exosomes, olanzapine returned DJ-1 and miR203a-3p to levels seen healthy controls. Consistent with this finding, we showed that human umbilical vein endothelial cells (HUVACs) transfected with a DJ-1-3' UTR luciferase reporter construct displayed reduced gene expression when subjected to the oxidative stressor H2O2. Transfection of a miR203a-3p mimic into HUVACs reduced DJ-1-3 'UTR reporter gene expression, while transfection of an anti miR-203a-3p prevented the H2O2-induced downregulation of the reporter gene. We conclude that miR-203a-3p is an essential mediator of oxidative stress in schizophrenia via its ability to target the 3' UTR of DJ-1 and antipsychotic monotherapy restores DJ-1 antioxidant levels by regulating miR203a-3p expression. miR-203a-3p and DJ-1 might represent attractive targets for the treatment of pathologies such as schizophrenia that has underlying oxidative stress.
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Affiliation(s)
- James N Tsoporis
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada
| | - Amin M Ektesabi
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada
| | - Sahil Gupta
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada
| | - Shehla Izhar
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada
| | - Vasileios Salpeas
- 2(nd) Department of Cardiology, University General Hospital "ATTIKON", School of Medicine National & Kapodistrian University of Athens, Athens, Greece
| | - Ioannis K Rizos
- 2(nd) Department of Cardiology, University General Hospital "ATTIKON", School of Medicine National & Kapodistrian University of Athens, Athens, Greece
| | - Stylianos P Kympouropoulos
- 2(nd) Department of Psychiatry, University General Hospital "ATTIKON", School of Medicine, National & Kapodistrian University of Athens, Greece
| | - Claudia C Dos Santos
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada
| | - Thomas G Parker
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada
| | - Emmanouil Rizos
- 2(nd) Department of Psychiatry, University General Hospital "ATTIKON", School of Medicine, National & Kapodistrian University of Athens, Greece.
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12
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Barchielli G, Capperucci A, Tanini D. The Role of Selenium in Pathologies: An Updated Review. Antioxidants (Basel) 2022; 11:antiox11020251. [PMID: 35204134 PMCID: PMC8868242 DOI: 10.3390/antiox11020251] [Citation(s) in RCA: 99] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 01/09/2022] [Accepted: 01/25/2022] [Indexed: 12/10/2022] Open
Abstract
Selenium is an essential microelement required for a number of biological functions. Selenium—and more specifically the amino acid selenocysteine—is present in at least 25 human selenoproteins involved in a wide variety of essential biological functions, ranging from the regulation of reactive oxygen species (ROS) concentration to the biosynthesis of hormones. These processes also play a central role in preventing and modulating the clinical outcome of several diseases, including cancer, diabetes, Alzheimer’s disease, mental disorders, cardiovascular disorders, fertility impairments, inflammation, and infections (including SARS-CoV-2). Over the past years, a number of studies focusing on the relationship between selenium and such pathologies have been reported. Generally, an adequate selenium nutritional state—and in some cases selenium supplementation—have been related to improved prognostic outcome and reduced risk of developing several diseases. On the other hand, supra-nutritional levels might have adverse effects. The results of recent studies focusing on these topics are summarized and discussed in this review, with particular emphasis on advances achieved in the last decade.
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13
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Petrova N. On the treatment of bipolar affective disorder. Zh Nevrol Psikhiatr Im S S Korsakova 2022; 122:80-86. [DOI: 10.17116/jnevro202212201280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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14
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Yang M, Li J, Yang H, Yan L, Liu D, Zhu L, Zhang X. Cognitive Impairment and Psychopathology Are Related to Plasma Oxidative Stress in Long Term Hospitalized Patients With Chronic Schizophrenia. Front Psychiatry 2022; 13:896694. [PMID: 35757215 PMCID: PMC9226302 DOI: 10.3389/fpsyt.2022.896694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/20/2022] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND The present study aimed to examine whether plasma oxidative stress is associated with cognitive impairment in long term hospitalized patients with chronic schizophrenia. METHOD Ninety-six chronic schizophrenia patients and 94 healthy unaffected subjects were enrolled. Plasma markers of oxidative stress, including malondialdehyde (MDA), manganese superoxide dismutase (MnSOD), catalase (CAT), and glutathione peroxidase (GSH-Px), were measured. Psychiatric symptoms and cognitive function were assessed with the Positive and Negative Syndrome Scale (PANSS) and the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS), respectively. RESULTS Plasma MDA levels and MnSOD and GSH-Px activities were significantly lower in schizophrenia patients than in healthy controls (P < 0.001), while plasma CAT activity was higher than in healthy controls (P < 0.005). Cognitive scores on the RBANS and all of its five subscales (all P < 0.001) were significantly lower in schizophrenia patients than in healthy unaffected subjects. CAT and GSH-Px activities were positively correlated with the cognitive function scores corresponding to Visuospatial/Constructional abilities in the patient group (r = 0.298, 0.213, respectively, P < 0.05). Also, the multiple regression analysis revealed that CAT and GSH-Px activities were independent and separate contributors to the Visuospatial/Constructional index of the RBANS. Meanwhile, CAT activity was negatively correlated with general pathological symptoms (r = -0.307, Bonferroni corrected P = 0.008) and the total score of the PANSS domains (r = -0.299, Bonferroni corrected P = 0.012). CONCLUSION Our results that the reduced of MDA level and the increased CAT activity in plasma in male patients with chronic schizophrenia suggest that redox imbalance may be associated with the pathophysiology of schizophrenia, and it can induce impaired cognition and psychiatric symptoms.
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Affiliation(s)
- Man Yang
- Department of Psychiatry, The Fourth People's Hospital of Lianyungang, The Affiliated KangDa College of Nanjing Medical University, Lianyungang, China
| | - Jin Li
- Department of Psychiatry, Institute of Mental Health, Suzhou Psychiatric Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
| | - Haidong Yang
- Department of Psychiatry, The Fourth People's Hospital of Lianyungang, The Affiliated KangDa College of Nanjing Medical University, Lianyungang, China
| | - Linya Yan
- Department of Psychiatry, The Fourth People's Hospital of Lianyungang, The Affiliated KangDa College of Nanjing Medical University, Lianyungang, China
| | - Dongliang Liu
- Department of Psychiatry, The Fourth People's Hospital of Lianyungang, The Affiliated KangDa College of Nanjing Medical University, Lianyungang, China
| | - Lin Zhu
- Department of Clinical Laboratory, The Fourth People's Hospital of Lianyungang, The Affiliated KangDa College of Nanjing Medical University, Lianyungang, China
| | - Xiaobin Zhang
- Department of Psychiatry, Institute of Mental Health, Suzhou Psychiatric Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, China
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15
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Goh XX, Tang PY, Tee SF. Blood-based oxidation markers in medicated and unmedicated schizophrenia patients: A meta-analysis. Asian J Psychiatr 2022; 67:102932. [PMID: 34839098 DOI: 10.1016/j.ajp.2021.102932] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 11/01/2021] [Accepted: 11/17/2021] [Indexed: 12/25/2022]
Abstract
Increased reactive species due to the effect of antipsychotics on oxidative stress may be involved in the development of schizophrenia. However, antipsychotics may have different direct antioxidant effects due to their chemical structures. The present meta-analysis aimed to investigate whether the cause increased oxidant status in schizophrenia patients is due to the illness or induction by antipsychotics. Studies published from 1964 to 2021 were selected from Pubmed and Scopus databases. Data were analysed using Comprehensive Meta-Analysis version 2. Effect sizes were calculated and compared between unmedicated and medicated patients and healthy controls. Heterogeneity and publication bias were assessed. Subgroup analyses were conducted on drug-free and drug-naïve patients, and patients treated with atypical and typical antipsychotics. We found that medicated patients had significantly higher malondialdehyde (MDA), thiobarbituric acid reactive substances (TBARS) and total oxidant status (TOS). Meanwhile, significantly increased plasma/serum MDA and nitric oxide (NO) were observed in unmedicated patients only. Higher lipid peroxidation in the drug-naïve group may be associated schizophrenia. However, both atypical and typical antipsychotics may worsen lipid peroxidation. Antipsychotic discontinuation in the drug-free group led to significantly increased plasma/serum NO, with larger effect size than the atypical antipsychotic group. In conclusion, medicated schizophrenia patients were more suffered from increased oxidative stress. Therefore, future study may focus on the mechanism of action of specific antipsychotic on oxidative stress.
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Affiliation(s)
- Xue Xin Goh
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Bandar Sungai Long, Cheras, 43000 Kajang, Malaysia
| | - Pek Yee Tang
- Department of Mechatronics and Biomedical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Bandar Sungai Long, Cheras, 43000 Kajang, Malaysia
| | - Shiau Foon Tee
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Bandar Sungai Long, Cheras, 43000 Kajang, Malaysia.
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16
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Cecerska-Heryć E, Polikowska A, Serwin N, Roszak M, Grygorcewicz B, Heryć R, Michalczyk A, Dołęgowska B. Importance of oxidative stress in the pathogenesis, diagnosis, and monitoring of patients with neuropsychiatric disorders, a review. Neurochem Int 2021; 153:105269. [PMID: 34971747 DOI: 10.1016/j.neuint.2021.105269] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 11/29/2021] [Accepted: 12/21/2021] [Indexed: 12/31/2022]
Abstract
Oxidative stress is defined as the persistent imbalance between the activity of toxic reactive forms of both oxygen and nitrogen and the antioxidant defense. In low concentrations, they are essential for the proper functioning of the body. Still, their excessive amount contributes to the damage of the biomolecules, consequently leading to various pathologies of the organism. Due to the lipid-rich brain structure, enormous oxygen consumption, and the lack of a sufficient antioxidant barrier make it highly susceptible to oxidative imbalance. Hence, oxidative stress has been linked to various psychiatric disorders. These diseases include all behavioral, emotional, and cognitive abnormalities associated with a significant impediment to social life. Each of the diseases in question: Alzheimer's disease, schizophrenia, depression, and bipolar disorder, is characterized by excessive oxidative stress. Considerable damages to DNA, RNA, proteins, lipids, and mitochondrial dysfunction, are observed. All conditions show increased lipid peroxidation, which appears to be typical of psychiatric disorders because the brain contains large amounts of these types of molecules. In addition, numerous abnormalities in the antioxidant defense are noted, but the results of studies on the activity of antioxidant enzymes differ significantly. The most promising biomarkers seem to be GSH in Alzheimer's disease as an early-stage marker of the disease and thioredoxin in schizophrenia as a marker for therapy monitoring. Data from the literature are consistent with the decrease in antioxidants such as vitamin C, E, uric acid, albumin, etc. Despite these numerous inconsistencies, it seems that oxidative stress is present in the course of psychiatric diseases. Still, it cannot be conclusively determined whether it is the direct cause of development, a consequence of other abnormalities at the biochemical or molecular level, or the result of the disease itself.
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Affiliation(s)
- Elżbieta Cecerska-Heryć
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, Powstancow Wielkopolskich 72, 70-111, Szczecin, Poland.
| | - Aleksandra Polikowska
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, Powstancow Wielkopolskich 72, 70-111, Szczecin, Poland
| | - Natalia Serwin
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, Powstancow Wielkopolskich 72, 70-111, Szczecin, Poland
| | - Marta Roszak
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, Powstancow Wielkopolskich 72, 70-111, Szczecin, Poland
| | - Bartłomiej Grygorcewicz
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, Powstancow Wielkopolskich 72, 70-111, Szczecin, Poland
| | - Rafał Heryć
- Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University of Szczecin, Powstancow Wielkopolskich 72, 70-111, Szczecin, Poland
| | - Anna Michalczyk
- Department of Psychiatry, Pomeranian Medical University of Szczecin, Broniewskiego 26, 71-460, Szczecin, Poland
| | - Barbara Dołęgowska
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, Powstancow Wielkopolskich 72, 70-111, Szczecin, Poland
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17
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Zhu M, Liu Z, Guo Y, Sultana MS, Wu K, Lang X, Lv Q, Huang X, Yi Z, Li Z. Sex difference in the interrelationship between TNF-α and oxidative stress status in first-episode drug-naïve schizophrenia. J Neuroinflammation 2021; 18:202. [PMID: 34526062 PMCID: PMC8444364 DOI: 10.1186/s12974-021-02261-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 08/30/2021] [Indexed: 12/13/2022] Open
Abstract
Background Increasing evidence indicates that dysregulated TNF-α and oxidative stress (OxS) contribute to the pathophysiology of schizophrenia. Additionally, previous evidence has demonstrated sex differences in many aspects of schizophrenia including clinical characteristics, cytokines, and OxS markers. However, to the best of our knowledge, there is no study investigating sex differences in the association between TNF-α, the OxS system, and their interaction with clinical symptoms in schizophrenia patients, especially in first-episode drug-naïve (FEDN) patients. Methods A total of 119 FEDN schizophrenia patients and 135 healthy controls were recruited for this study. Serum TNF-α, superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), catalase (CAT), and malondialdehyde (MDA) were measured. The Positive and Negative Syndrome Scale (PANSS) was applied to evaluate psychotic symptoms. Two-way ANOVA, partial correlation analysis, and multivariate regression analysis were performed. Results A sex difference in MDA levels was demonstrated only in healthy controls (F = 7.06, pBonferroni = 0.045) and not seen in patients. Furthermore, only male patients had higher MDA levels than male controls (F = 8.19, pBonferroni = 0.03). Additionally, sex differences were observed in the association of TNF-α and MDA levels with psychotic symptoms (all pBonferroni < 0.05). The interaction of TNF-α and MDA was only associated with general psychopathology symptom in male patients (B = − 0.07, p = 0.02). Conclusion Our results demonstrate the sex difference in the relationship between TNF-α, MDA, and their interaction with psychopathological symptoms of patients with schizophrenia.
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Affiliation(s)
- Minghuan Zhu
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wan Ping Road, Shanghai, 200030, China.,Clinical Research Center for Mental Disorders, Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China
| | - Zhenjing Liu
- Qingdao Mental Health Center, Qingdao University, Qingdao, China
| | - Yanhong Guo
- Qingdao Mental Health Center, Qingdao University, Qingdao, China
| | - Mst Sadia Sultana
- Department of Public Health and Informatics, Jahangirnagar University, Savar, Dhaka, Bangladesh
| | - Kang Wu
- Department of Laboratory Medicine, Shanghai Changhai Hospital, Shanghai, China
| | - Xiaoe Lang
- Department of Psychiatry, The First Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Qinyu Lv
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wan Ping Road, Shanghai, 200030, China
| | - Xiao Huang
- Department of Psychological Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China.
| | - Zhenghui Yi
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, 600 South Wan Ping Road, Shanghai, 200030, China.
| | - Zezhi Li
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, 36 Mingxin Road, Guangzhou, 510370, China.
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18
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Juchnowicz D, Dzikowski M, Rog J, Waszkiewicz N, Karakuła KH, Zalewska A, Maciejczyk M, Karakula-Juchnowicz H. Pro/Antioxidant State as a Potential Biomarker of Schizophrenia. J Clin Med 2021; 10:jcm10184156. [PMID: 34575267 PMCID: PMC8466193 DOI: 10.3390/jcm10184156] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/03/2021] [Accepted: 09/09/2021] [Indexed: 12/17/2022] Open
Abstract
To allow better diagnosis and management of psychiatric illnesses, the use of easily accessible biomarkers are proposed. Therefore, recognition of some diseases by a set of related pathogenesis biomarkers is a promising approach. The study aims to assess the usefulness of examining oxidative stress (OS) in schizophrenia as a potential biomarker of illness using the commonly used data mining decision tree method. The study group was comprised of 147 participants: 98 patients with schizophrenia (SZ group), and the control group (n = 49; HC). The patients with schizophrenia were divided into two groups: first-episode schizophrenia (n = 49; FS) and chronic schizophrenia (n = 49; CS). The assessment included the following biomarkers in sera of patients: catalase (CAT), glutathione peroxidase (GPx), superoxide dismutase-1 (SOD-1), glutathione reductase (GR), reduced glutathione (GSH), total antioxidant capacity (TAC), ferric reducing ability of plasma (FRAP), advanced glycation end products (AGEs), advanced oxidation protein products (AOPP), dityrosine (DITYR), kynurenine (KYN), N-formylkynurenine (NFK), tryptophan (TRY), total oxidant status (TOS), nitric oxide (NO) and total protein. Maximum accuracy (89.36%) for distinguishing SZ from HC was attained with TOS and GPx (cut-off points: 392.70 and 15.33). For differentiating between FS and CS, the most promising were KYN, AOPP, TAC and NO (100%; cut-off points: 721.20, 0.55, 64.76 and 2.59). To distinguish FS from HC, maximum accuracy was found for GSH and TOS (100%; cut-off points: 859.96 and 0.31), and in order to distinguish CS from HC, the most promising were GSH and TOS (100%; cut-off points: 0.26 and 343.28). Using redox biomarkers would be the most promising approach for discriminating patients with schizophrenia from healthy individuals and, in the future, could be used as an add-on marker to diagnose and/or respond to treatment.
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Affiliation(s)
- Dariusz Juchnowicz
- Department of Psychiatric Nursing, Medical University of Lublin, 20-124 Lublin, Poland;
| | - Michał Dzikowski
- 1st Department of Psychiatry, Psychotherapy and Early Intervention, Medical University of Lublin, 20-439 Lublin, Poland; (M.D.); (K.H.K.); (H.K.-J.)
| | - Joanna Rog
- 1st Department of Psychiatry, Psychotherapy and Early Intervention, Medical University of Lublin, 20-439 Lublin, Poland; (M.D.); (K.H.K.); (H.K.-J.)
- Correspondence:
| | - Napoleon Waszkiewicz
- Department of Psychiatry, Medical University of Bialystok, 16-070 Choroszcz, Poland;
| | - Kaja Hanna Karakuła
- 1st Department of Psychiatry, Psychotherapy and Early Intervention, Medical University of Lublin, 20-439 Lublin, Poland; (M.D.); (K.H.K.); (H.K.-J.)
| | - Anna Zalewska
- Experimental Dentistry Laboratory and Department of Restorative Dentistry, Medical University of Bialystok, 15-437 Bialystok, Poland;
| | - Mateusz Maciejczyk
- Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, 15-089 Bialystok, Poland;
| | - Hanna Karakula-Juchnowicz
- 1st Department of Psychiatry, Psychotherapy and Early Intervention, Medical University of Lublin, 20-439 Lublin, Poland; (M.D.); (K.H.K.); (H.K.-J.)
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19
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Atypical antipsychotics and oxidative cardiotoxicity: review of literature and future perspectives to prevent sudden cardiac death. JOURNAL OF GERIATRIC CARDIOLOGY : JGC 2021; 18:663-685. [PMID: 34527032 PMCID: PMC8390928 DOI: 10.11909/j.issn.1671-5411.2021.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Oxidative stress is considered the principal mediator of myocardial injury under pathological conditions. It is well known that reactive oxygen (ROS) or nitrogen species (RNS) are involved in myocardial injury and repair at the same time and that cellular damage is generally due to an unbalance between generation and elimination of the free radicals due to an inadequate mechanism of antioxidant defense or to an increase in ROS and RNS. Major adverse cardiovascular events are often associated with drugs with associated findings such as fibrosis or inflammation of the myocardium. Despite efforts in the preclinical phase of the development of drugs, cardiotoxicity still remains a great concern. Cardiac toxicity due to second-generation antipsychotics (clozapine, olanzapine, quetiapine) has been observed in preclinical studies and described in patients affected with mental disorders. A role of oxidative stress has been hypothesized but more evidence is needed to confirm a causal relationship. A better knowledge of cardiotoxicity mechanisms should address in the future to establish the right dose and length of treatment without impacting the physical health of the patients.
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20
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Combined Low Dose of Ketamine and Social Isolation: A Possible Model of Induced Chronic Schizophrenia-Like Symptoms in Male Albino Rats. Brain Sci 2021; 11:brainsci11070917. [PMID: 34356151 PMCID: PMC8303272 DOI: 10.3390/brainsci11070917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 07/05/2021] [Accepted: 07/08/2021] [Indexed: 11/16/2022] Open
Abstract
While animal models for schizophrenia, ranging from pharmacological models to lesions and genetic models, are available, they usually mimic only the positive symptoms of this disorder. Identifying a feasible model of chronic schizophrenia would be valuable for studying the possible underlying mechanism and to investigate emerging treatments. Our hypothesis starts from the observation that combining ketamine with isolation could result in long-lasting neuro-psychological deficits and schizophrenia-like features; thus, it could probably be used as the first model of chronic schizophrenia that emphasizes the characteristic of having a multifactorial etiology. By the means of this study, we investigated the effects of ketamine administration combined with isolation in inducing schizophrenia-like symptoms in male albino rats and the brain reactive oxygen species levels. Our results showed that the number of lines crossings in the open field test, the number of open arm entries in the elevated plus maze, and the spontaneous alternations percentage in the Y-maze were significantly lower in the ketamine + isolation group compared to both the control and ketamine + social housing group (p < 0.05). Furthermore, the ketamine + isolation intervention significantly increased the MDA levels and decreased the GPx levels both in the hippocampus and the cortex of the rats. In addition, our premise of creating a model capable of exhibiting both positive and negative symptoms of schizophrenia was also based on adding the aripiprazole treatment to a group of rats. Therefore, we compared the ketamine + social isolation group with the ketamine + social isolation + aripiprazole group in order to attempt to discover if the antipsychotic drug would significantly decrease the potential positive schizophrenia-like symptoms induced by social isolation and ketamine. Given that we obtained significant results, we cautiously presume that this might be an important step in developing our animal model capable of illustrating both positive and negative symptoms of schizophrenia. This study could be a first step towards the creation of a complex animal model capable of exhibiting the multifactorial origin and manifestation of schizophrenia.
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Ventriglio A, Bellomo A, Favale D, Bonfitto I, Vitrani G, Di Sabatino D, Cuozzo E, Di Gioia I, Mauro P, Giampaolo P, Alessandro V, De Berardis D. Oxidative Stress in the Early Stage of Psychosis. Curr Top Med Chem 2021; 21:1457-1470. [PMID: 34218786 DOI: 10.2174/1568026621666210701105839] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/25/2021] [Accepted: 05/05/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND In the past few decades, increasing evidence in the literature has appeared describing the role of the antioxidant defense system and redox signaling in the multifactorial pathophysiology of psychosis. It is of interest to clinicians and researchers alike that abnormalities of the antioxidant defense system are associated with alterations of cellular membranes, immune functions and neurotransmission, all of which have some clinical implications. METHODS This narrative review summarizes the evidence regarding oxidative stress in the early stages of psychosis. We included 136 peer-reviewed articles published from 2007 to 2020 on PubMed EMBASE, The Cochrane Library and Google Scholar. RESULTS Patients affected by psychotic disorders show a decreased level of non-enzymatic antioxidants, an increased level of lipid peroxides, nitric oxides, and a homeostatic imbalance of purine catabolism. In particular, a significantly reduced antioxidant defense has been described in the early onset first episode of psychosis, including reduced levels of glutathione. Also, it has been shown that a decreased basal low -antioxidant capacity correlates with cognitive deficits and negative symptoms, mostly related to glutamate-receptor hypofunction. In addition, atypical antipsychotic drugs seem to show significant antioxidant activity. These factors are critical in order to treat cases of first-onset psychosis effectively. CONCLUSION This systematic review indicates the importance that must be given to anti-oxidant defense systems.
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Affiliation(s)
- Antonio Ventriglio
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Antonello Bellomo
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Donato Favale
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Iris Bonfitto
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Giovanna Vitrani
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Dario Di Sabatino
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Edwige Cuozzo
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Ilaria Di Gioia
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Pettorruso Mauro
- Department of Neurosciences, Imaging and Clinical Sciences, Univerity of Chieti, Italy
| | - Perna Giampaolo
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
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Wang DM, Chen DC, Wang L, Zhang XY. Sex differences in the association between symptoms and superoxide dismutase in patients with never-treated first-episode schizophrenia. World J Biol Psychiatry 2021; 22:325-334. [PMID: 32772768 DOI: 10.1080/15622975.2020.1805510] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
OBJECTIVES Considering the sex differences and oxidative stress in the pathophysiological mechanism of schizophrenia (SCZ), we explored the sex differences in clinical characteristics and superoxide dismutase (SOD) activity as well as their relationship in never-treated first-episode (NTFE) patients with SCZ in the Han Chinese population, which has not been reported yet. METHODS Total SOD and manganese SOD (MnSOD) activities were examined in 165 NTFE patients with SCZ (male/female = 98/67) and 133 healthy controls (male/female =70/63). Psychopathological symptoms were evaluated by a five-factor model of the Positive and Negative Syndrome Scale (PANSS). RESULTS SCZ patients had higher plasma total SOD activity than healthy controls (p < .01). In healthy controls, the total SOD activity was significantly higher in males than that in females (p < .001), but not in patients group (p > .05). Further, Multiple regression analysis revealed that in male patients, the PANSS depressive factor was independently positively correlated with MnSOD or total SOD activity (both p < .01), while in female patients, the MnSOD activity was positively related to the PANSS positive symptom score (p < .05). CONCLUSIONS Our findings indicate sex differences in the relationship between SOD activities and psychopathological symptoms in the early stage of SCZ.
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Affiliation(s)
- Dong Mei Wang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | | | - Li Wang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Xiang Yang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
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Interrelationships Between Oxidative Stress, Cytokines, and Psychotic Symptoms and Executive Functions in Patients With Chronic Schizophrenia. Psychosom Med 2021; 83:485-491. [PMID: 34080586 DOI: 10.1097/psy.0000000000000931] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
OBJECTIVE Accumulating evidence has demonstrated that the pathophysiology of schizophrenia is involved in various abnormalities in oxidative stress markers and cytokines closely related to synaptic plasticity. However, the interactive effects among key cytokines, oxidative stress, and executive dysfunction and symptoms of schizophrenia have not been investigated yet. METHODS A total of 189 patients with chronic schizophrenia and 60 controls were recruited in the current study. Tumor necrosis factor α (TNF-α), interleukin (IL)-8, IL-6, and IL-2 levels; catalase, glutathione peroxidase, and superoxide dismutase (SOD) activities; and malondialdehyde (MDA) levels were determined in patients and controls. Executive function was evaluated by the Wisconsin card sorting tests, the verbal fluency tests, and the Stroop word-color test. Clinical symptoms were evaluated by the Positive and Negative Syndrome Scale. RESULTS Relative to the controls, the patients had lower activities of SOD and glutathione peroxidase and levels of TNF-α, but higher levels of MDA, IL-8, IL-6, and IL-2 (all p values < .05). A significant negative relationship between SOD activity and IL-8 levels was found only in patients (β = -0.44, p = .008). Furthermore, we found that an interactive effect of low TNF-α level and high MDA level was associated with negative symptoms (β = -0.02, p = .01). Moreover, the interactive effects of IL-8 and MDA or IL-8 and SOD were correlated with executive function only in patients (β = 0.23, p = .02; β = 0.09, p = .03). CONCLUSIONS Our findings suggest that the interrelationships between oxidative stress markers and cytokines occur in schizophrenia patients, which may be the basis of their pathological mechanisms underlying clinical symptoms and cognitive dysfunction.
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Li XR, Xiu MH, Guan XN, Wang YC, Wang J, Leung E, Zhang XY. Altered Antioxidant Defenses in Drug-Naive First Episode Patients with Schizophrenia Are Associated with Poor Treatment Response to Risperidone: 12-Week Results from a Prospective Longitudinal Study. Neurotherapeutics 2021; 18:1316-1324. [PMID: 33791970 PMCID: PMC8423973 DOI: 10.1007/s13311-021-01036-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/09/2021] [Indexed: 12/12/2022] Open
Abstract
Abnormal redox regulation is thought to contribute to schizophrenia (SCZ). Accumulating studies have shown that the plasma antioxidant enzyme activity is closely associated with the course and outcome in antipsychotics-naïve first-episode (ANFE) patients with SCZ. The main purpose of this study was to investigate the effect of risperidone on oxidative stress markers in ANFE patients and the relationship between risperidone response and changes in oxidative stress markers. Plasma activities of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) enzyme, total antioxidant status (TAS), and malondialdehyde (MDA) levels were measured in 354 ANFE patients and 152 healthy controls. The clinical symptoms were evaluated by the Positive and Negative Syndrome Scale (PANSS). Patients received risperidone monotherapy for 12 weeks and oxidative stress markers and PANSS were measured at baseline and at follow-up. Compared with healthy controls, the patients exhibited higher activities of SOD, CAT, and TAS levels, but lower MDA levels and GPx activity. A comparison between 168 responders and 50 non-responders at baseline and 12-week follow-up showed that GPx activity decreased in both groups after treatment. Moreover, GPx activity decreased less in responders and was higher in responders than in non-responders at follow-up. These results demonstrate that the redox regulatory system and antioxidant defense enzymes may have predictive value for the response of ANFE patients to risperidone treatment.
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Affiliation(s)
- Xi Rong Li
- Department of Sleep Medicine, Shandong Mental Health Center, Jinan, China
| | - Mei Hong Xiu
- Peking University HuiLongGuan Clinical Medical School, Beijing HuiLongGuan Hospital, Changping District, Beijing, 100096, China.
| | - Xiao Ni Guan
- Peking University HuiLongGuan Clinical Medical School, Beijing HuiLongGuan Hospital, Changping District, Beijing, 100096, China
| | - Yue Chan Wang
- Peking University HuiLongGuan Clinical Medical School, Beijing HuiLongGuan Hospital, Changping District, Beijing, 100096, China
| | - Jun Wang
- Peking University HuiLongGuan Clinical Medical School, Beijing HuiLongGuan Hospital, Changping District, Beijing, 100096, China
| | - Edison Leung
- Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center At Houston, Houston, TX, USA
| | - Xiang Yang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China; Department of Psychology, University of Chinese Academy of Sciences, 16 Lincui Road, Chaoyang District, Beijing, 100101, China.
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Behavior and oxidative stress parameters in rats subjected to the animal's models induced by chronic mild stress and 6-hydroxydopamine. Behav Brain Res 2021; 406:113226. [PMID: 33684423 DOI: 10.1016/j.bbr.2021.113226] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 03/01/2021] [Accepted: 03/02/2021] [Indexed: 12/16/2022]
Abstract
Major depressive disorder (MDD) is one of the most prevalent forms of mental illness also affecting older adults. Recent evidence suggests a relationship between MDD and neurodegenerative diseases, including Parkinson's disease (PD). Individuals with PD have a predisposition to developing MDD, and both neurobiological conditions are associated with oxidative stress. Thus, we conducted this study to investigate depressive-like behavior and oxidative stress parameters using both animal models of PD and stress. Adult Wistar rats were subjected to chronic mild stress (CMS) protocol by 40 days and then it was used 6-hydroxydopamine (6-OHDA) as a model of PD, into the striatum. The experimental groups were: Control + Sham, Stress + Sham, Control+6-OHDA, and Stress+6-OHDA. Depressive like-behavior was evaluated by the forced swimming test (FST) and spontaneous locomotor activity by open-field test. Oxidative stress parameters were measured in the striatum, hippocampus, and prefrontal cortex (PFC). The results showed effects to increase immobility and decrease climbing times in the FST in Stress + Sham, Control+6-OHDA, and Stress+6-OHDA groups. The number of crossings and rearings were decreased in the Stress+6-OHDA group. The lipid peroxidation was increased in the PFC of Stress + Sham, and the hippocampus and striatum of Stress + Sham and Control+6-OHDA groups. Carbonyl protein levels increased in the PFC of Stress + Sham and striatum in Control+6-OHDA. Nitrite/Nitrate concentration was elevated in the PFC of Stress + Sham, in the hippocampus of Control+6-OHDA, the striatum of Stress + Sham, and Control+6-OHDA groups. Myeloperoxidase (MPO) activity was increased in the PFC and hippocampus of Stress + Sham and Control+6-OHDA groups. The activity of catalase decreased in the PFC of the Stress + Sham group. The activity of the superoxide dismutase (SOD) was decreased in the PFC of the Stress + Sham group, in the hippocampus of Stress + Sham and Control+6-OHDA groups, and the striatum of Control+6-OHDA group. These findings suggest that both stress and 6-OHDA induce depressive-like behavior and oxidative stress in the brain. The joining models have little evidence of the effects. Thus these findings suggest that other pathways are involved in the common point of the pathophysiology of PD and MDD.
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Sharma G, Shin EJ, Sharma N, Nah SY, Mai HN, Nguyen BT, Jeong JH, Lei XG, Kim HC. Glutathione peroxidase-1 and neuromodulation: Novel potentials of an old enzyme. Food Chem Toxicol 2021; 148:111945. [PMID: 33359022 DOI: 10.1016/j.fct.2020.111945] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 12/15/2020] [Accepted: 12/18/2020] [Indexed: 12/14/2022]
Abstract
Glutathione peroxidase (GPx) acts in co-ordination with other signaling molecules to exert its own antioxidant role. We have demonstrated the protective effects of GPx,/GPx-1, a selenium-dependent enzyme, on various neurodegenerative disorders (i.e., Parkinson's disease, Alzheimer's disease, cerebral ischemia, and convulsive disorders). In addition, we summarized the recent findings indicating that GPx-1 might play a role as a neuromodulator in neuropsychiatric conditions, such as, stress, bipolar disorder, schizophrenia, and drug intoxication. In this review, we attempted to highlight the mechanistic scenarios mediated by the GPx/GPx-1 gene in impacting these neurodegenerative and neuropsychiatric disorders, and hope to provide new insights on the therapeutic interventions against these disorders.
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Affiliation(s)
- Garima Sharma
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341, Republic of Korea
| | - Eun-Joo Shin
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341, Republic of Korea
| | - Naveen Sharma
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341, Republic of Korea; Department of Global Innovative Drugs, Graduate School of Chung-Ang University, College of Medicine, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Seung-Yeol Nah
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine and Bio/Molecular Informatics Center, Konkuk University, Seoul, 05029, Republic of Korea
| | - Huynh Nhu Mai
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341, Republic of Korea; Pharmacy Faculty, Can Tho University of Medicine and Pharmacy, Can Tho City, 900000, Viet Nam
| | - Bao Trong Nguyen
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341, Republic of Korea
| | - Ji Hoon Jeong
- Department of Global Innovative Drugs, Graduate School of Chung-Ang University, College of Medicine, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Xin Gen Lei
- Department of Animal Science, Cornell University, Ithaca, NY, 14853, USA
| | - Hyoung-Chun Kim
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon, 24341, Republic of Korea.
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Ermakov EA, Dmitrieva EM, Parshukova DA, Kazantseva DV, Vasilieva AR, Smirnova LP. Oxidative Stress-Related Mechanisms in Schizophrenia Pathogenesis and New Treatment Perspectives. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8881770. [PMID: 33552387 PMCID: PMC7847339 DOI: 10.1155/2021/8881770] [Citation(s) in RCA: 82] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 12/15/2020] [Accepted: 01/02/2021] [Indexed: 02/07/2023]
Abstract
Schizophrenia is recognized to be a highly heterogeneous disease at various levels, from genetics to clinical manifestations and treatment sensitivity. This heterogeneity is also reflected in the variety of oxidative stress-related mechanisms contributing to the phenotypic realization and manifestation of schizophrenia. At the molecular level, these mechanisms are supposed to include genetic causes that increase the susceptibility of individuals to oxidative stress and lead to gene expression dysregulation caused by abnormal regulation of redox-sensitive transcriptional factors, noncoding RNAs, and epigenetic mechanisms favored by environmental insults. These changes form the basis of the prooxidant state and lead to altered redox signaling related to glutathione deficiency and impaired expression and function of redox-sensitive transcriptional factors (Nrf2, NF-κB, FoxO, etc.). At the cellular level, these changes lead to mitochondrial dysfunction and metabolic abnormalities that contribute to aberrant neuronal development, abnormal myelination, neurotransmitter anomalies, and dysfunction of parvalbumin-positive interneurons. Immune dysfunction also contributes to redox imbalance. At the whole-organism level, all these mechanisms ultimately contribute to the manifestation and development of schizophrenia. In this review, we consider oxidative stress-related mechanisms and new treatment perspectives associated with the correction of redox imbalance in schizophrenia. We suggest that not only antioxidants but also redox-regulated transcription factor-targeting drugs (including Nrf2 and FoxO activators or NF-κB inhibitors) have great promise in schizophrenia. But it is necessary to develop the stratification criteria of schizophrenia patients based on oxidative stress-related markers for the administration of redox-correcting treatment.
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Affiliation(s)
- Evgeny A. Ermakov
- Laboratory of Repair Enzymes, Institute of Chemical Biology and Fundamental Medicine, Siberian Division of Russian Academy of Sciences, Novosibirsk 630090, Russia
| | - Elena M. Dmitrieva
- Laboratory of Molecular Genetics and Biochemistry, Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk 634014, Russia
| | - Daria A. Parshukova
- Laboratory of Molecular Genetics and Biochemistry, Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk 634014, Russia
| | | | | | - Liudmila P. Smirnova
- Laboratory of Molecular Genetics and Biochemistry, Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk 634014, Russia
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Todorović Vukotić N, Đorđević J, Pejić S, Đorđević N, Pajović SB. Antidepressants- and antipsychotics-induced hepatotoxicity. Arch Toxicol 2021; 95:767-789. [PMID: 33398419 PMCID: PMC7781826 DOI: 10.1007/s00204-020-02963-4] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 11/26/2020] [Indexed: 02/06/2023]
Abstract
Drug-induced liver injury (DILI) is a serious health burden. It has diverse clinical presentations that can escalate to acute liver failure. The worldwide increase in the use of psychotropic drugs, their long-term use on a daily basis, common comorbidities of psychiatric and metabolic disorders, and polypharmacy in psychiatric patients increase the incidence of psychotropics-induced DILI. During the last 2 decades, hepatotoxicity of various antidepressants (ADs) and antipsychotics (APs) received much attention. Comprehensive review and discussion of accumulated literature data concerning this issue are performed in this study, as hepatotoxic effects of most commonly prescribed ADs and APs are classified, described, and discussed. The review focuses on ADs and APs characterized by the risk of causing liver damage and highlights the ones found to cause life-threatening or severe DILI cases. In parallel, an overview of hepatic oxidative stress, inflammation, and steatosis underlying DILI is provided, followed by extensive review and discussion of the pathophysiology of AD- and AP-induced DILI revealed in case reports, and animal and in vitro studies. The consequences of some ADs and APs ability to affect drug-metabolizing enzymes and therefore provoke drug–drug interactions are also addressed. Continuous collecting of data on drugs, mechanisms, and risk factors for DILI, as well as critical data reviewing, is crucial for easier DILI diagnosis and more efficient risk assessment of AD- and AP-induced DILI. Higher awareness of ADs and APs hepatotoxicity is the prerequisite for their safe use and optimal dosing.
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Affiliation(s)
- Nevena Todorović Vukotić
- Department of Molecular Biology and Endocrinology, "Vinča" Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, 12-14 Mike Petrovića Alasa, P.O. Box 522-090, 11000, Belgrade, Serbia.
| | - Jelena Đorđević
- Institute of Physiology and Biochemistry "Ivan Đaja", Faculty of Biology, University of Belgrade, 16 Studentski Trg, 11000, Belgrade, Serbia
| | - Snežana Pejić
- Department of Molecular Biology and Endocrinology, "Vinča" Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, 12-14 Mike Petrovića Alasa, P.O. Box 522-090, 11000, Belgrade, Serbia
| | - Neda Đorđević
- Department of Molecular Biology and Endocrinology, "Vinča" Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, 12-14 Mike Petrovića Alasa, P.O. Box 522-090, 11000, Belgrade, Serbia
| | - Snežana B Pajović
- Department of Molecular Biology and Endocrinology, "Vinča" Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, 12-14 Mike Petrovića Alasa, P.O. Box 522-090, 11000, Belgrade, Serbia.,Faculty of Medicine, University of Niš, 81 Blvd. Dr. Zorana Đinđića, 18000, Niš, Serbia
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Huang X, Lu QL, Zhu XM, Zeng YB, Liu Y, Hu HY. Histogenous Hypoxia and Acid Retention in Schizophrenia: Changes in Venous Blood Gas Analysis and SOD in Acute and Stable Schizophrenia Patients. Front Psychiatry 2021; 12:792560. [PMID: 34938217 PMCID: PMC8685331 DOI: 10.3389/fpsyt.2021.792560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 11/08/2021] [Indexed: 11/14/2022] Open
Abstract
Background: Oxidative stress may play an important role in the pathogenesis of schizophrenia (SCH), and there is considerable indirect evidence that hypoxia is closely related to SCH, but direct evidence of hypoxia in SCH has never been found. Methods:In this study, superoxide dismutase (SOD), venous blood gas, and Positive and Negative Syndrome Scale (PANSS) were examined in 40 SCH patients and compared with those of 40 healthy controls. The patients were treated with combination of atypical antipsychotics and Ditan Huayu Lishen decoction (a Chinese medicine decoction) and examined in the acute and stable period, respectively. Comparisons of indicators between two groups were performed using an independent-samples t-test, comparison of indicators between the acute and stable periods in the SCH group was performed using paired-samples t-test. Pearson correlation and multiple linear regression analyses were performed to investigate the relationships between the effect indicators. Results: Higher venous pH, PvO2, and fasting blood glucose levels and lower SOD, lactic acid, and PvCO2 levels were found in SCH patients compared with the control group; SOD was negatively correlated with the general psychopathology subscale score (PANSS-G), and PvO2 levels were closely related to venous pH in SCH and related to PvCO2 in the control group. It was also found that SOD activity showed no significant difference in acute and stable period, whereas PvO2 showed a downward trend, and venous pH was decreased significantly after treatment. Both the venous pH and PvO2 were higher in patients with SCH than that in healthy controls. Conclusion: It suggests that histogenous hypoxia and acid retention exist in relation to SCH, and there is an improvement of acid retention and a downward trend in histogenous hypoxia after combination treatment. Venous pH, PvO2, and PvCO2 are trait variables, but not state variables of SCH. The theory of histogenous hypoxia and acid retention can well explain the decrease in pH value and the increase in lactic acid in brain tissue of patients with SCH. Histogenous hypoxia and acid retention closely related to glucose metabolism. So they may play an important role in pathophysiology for SCH.
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Affiliation(s)
- Xingbing Huang
- Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Qiu-Ling Lu
- Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiu-Mei Zhu
- Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yi-Bin Zeng
- Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yun Liu
- Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Hao-Ying Hu
- First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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Lang X, Wang DM, Du XD, Jia QF, Chen DC, Xiu M, Wang L, Zhang X. Elevated activity of plasma superoxide dismutase in never-treated first-episode schizophrenia patients: Associated with depressive symptoms. Schizophr Res 2020; 222:291-296. [PMID: 32451132 DOI: 10.1016/j.schres.2020.05.032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 05/11/2020] [Accepted: 05/12/2020] [Indexed: 10/24/2022]
Abstract
Oxidative stress in excess may be engaged in the pathophysiological development of schizophrenia (SCZ). Previous research showed altered activity of superoxide dismutase (SOD) in patients suffering from SCZ, with inconsistent results. However, few studies have analyzed the relationship between SOD activity and psychopathological symptoms in never-treated first-episode (NTFE) patients with SCZ. The activities of manganese SOD (MnSOD) and total SOD were measured in a large sample of 166 NTFE patients with SCZ, and 133 healthy controls. The patients' symptoms were evaluated by the Positive and Negative Syndrome Scale (PANSS), as well as the depressive and cognitive factors originated from the PANSS five-factor model. NTFE patients had significantly higher activities of MnSOD and total SOD than healthy controls (both p < 0.01). Correlation analysis displayed a notably positive correlation between both MnSOD or total SOD activities and the PANSS depressive factor, as well as between MnSOD activity and the PANSS general psychopathology subscale score (all p < 0.05). Stepwise multiple regression analysis revealed that both MnSOD and total SOD were independent factors affecting PANSS depressive factor and PANSS general psychopathology subscale score. Our findings suggest that increased SOD activity may be associated with comorbid depressive symptoms in NTFE patients with SCZ.
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Affiliation(s)
- XiaoE Lang
- Department of Psychiatry, First Hospital/First Clinical Medical College of Shanxi Medical University, Taiyuan, China.
| | - Dong Mei Wang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, China.
| | - Xiang Dong Du
- Suzhou Psychiatric Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | - Qiu Fang Jia
- Suzhou Psychiatric Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | | | - Meihong Xiu
- Beijing Huilongguan Hospital, Beijing, China
| | - Li Wang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - XiangYang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, China.
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Minireview on the Connections between the Neuropsychiatric and Dental Disorders: Current Perspectives and the Possible Relevance of Oxidative Stress and Other Factors. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:6702314. [PMID: 32685098 PMCID: PMC7345607 DOI: 10.1155/2020/6702314] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Accepted: 05/21/2020] [Indexed: 01/14/2023]
Abstract
Although the connections between neuropsychiatric and dental disorders attracted the attention of some research groups for more than 50 years now, there is a general opinion in the literature that it remains a clearly understudied and underrated topic, with many unknowns and a multitude of challenges for the specialists working in both these areas of research. In this way, considering the previous experience of our groups in these individual matters which are combined here, we are summarizing in this minireport the current status of knowledge on the connections between neuropsychiatric and dental manifestations, as well as some general ideas on how oxidative stress, pain, music therapy or even irritable bowel syndrome-related manifestations could be relevant in this current context and summarize some current approaches in this matter.
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Sokolova SV, Sozarukova MM, Khannanova AN, Grishina NK, Portnova GV, Proskurnina EV. [Antioxidant status in patients with paranoid schizophrenia and Alzheimer disease]. Zh Nevrol Psikhiatr Im S S Korsakova 2020; 120:82-87. [PMID: 32678552 DOI: 10.17116/jnevro202012006182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To study the antioxidant profile of blood plasma in patients with paranoid schizophrenia and Alzheimer disease (AD). MATERIAL AND METHODS Thirty-three patients with paranoid schizophrenia and 18 patients with AD were included in the study. Patients with schizophrenia were stratified into two subgroups by response to therapy. The indicators of the antioxidant profile were determined using methods based on chemiluminometry and spectrofluorimetry. RESULTS Systemic oxidative stress due to insufficiency of low molecular weight plasma antioxidants is not determined neither in AD nor in treatment resistant schizophrenia. At the same time, a «thiol» oxidative stress, which indirectly indicates a deficiency of the glutathione system, is present in both groups. In patients with paranoid schizophrenia responsive to treatment, systemic oxidative stress is more pronounced and «thiol» oxidative stress is less significant. Among the antipsychotics studied, haloperidol, zuclopenthixol, risperidone and ziprasidone do not exhibit antioxidant properties, but periciazine, clozapine and especially chlorpromazine exhibit strong antioxidant properties, but they unlikely affect the antioxidant potential of blood plasma. CONCLUSIONS The glutathione part of the antioxidant system is mostly affected, but systemic oxidative stress is not significant in patients with treatment resistant paranoid schizophrenia and AD. Oxidative disorders are more pronounced in treatment responsive paranoid schizophrenia.
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Affiliation(s)
- S V Sokolova
- Lomonosov Moscow State University, Medical Research and Educational Center, Moscow, Russia
| | - M M Sozarukova
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - A N Khannanova
- Gilyarovsky Psychiatric Hospital, the branch of the Psychiatric Clinical Hospital No. 4 of the Moscow Health Department, Moscow, Russia
| | - N K Grishina
- Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia
| | - G V Portnova
- Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia
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Clinical implications of oxidative stress in schizophrenia: Acute relapse and chronic stable phase. Prog Neuropsychopharmacol Biol Psychiatry 2020; 99:109868. [PMID: 31954755 DOI: 10.1016/j.pnpbp.2020.109868] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 12/03/2019] [Accepted: 01/15/2020] [Indexed: 12/22/2022]
Abstract
Several studies have suggested a higher oxidative stress in schizophrenia. However, the implications of oxidative stress on clinical symptoms remain unclear. This study aimed to investigate the platelet oxidative stress in different stages of schizophrenia (i.e., chronic stable and acute relapse) in order to clarify the clinical implications of oxidative stress and the treatment effects. We recruited 43 chronic stable patients with schizophrenia and 48 non-psychiatric controls. Platelets were collected for measuring the levels of nitric oxide (NO), lipid peroxidation (LPO), and glutathione (GSH) and the activity of GSH peroxidase (GPx) and superoxide dismutase (SOD). The levels and activity were compared between patients and controls and were examined for their relationship with clinical severity. Further, we evaluated the changes of levels and activity before and after treatment in an independent sample with acute relapse (N = 19). Patients with chronic stable schizophrenia had lower SOD activity compared to non-psychiatric controls. In chronic stable patients, NO level was positively correlated with positive and disorganized symptoms, while the GPx activity were negatively correlated with excitement. In patients with acute relapse, the levels and activity were not different before and after four weeks of antipsychotic treatment, but LPO level was negatively correlated with pretreatment disorganized symptoms. The change of LPO can also predict the change of disorganized symptoms and negative symptoms. Our findings suggest that platelet SOD was lower in chronic stable schizophrenia. Platelet LPO may be associated with less disorganized symptoms in acute relapse patients and better treatment response.
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Isaacson RH, Beier JI, Khoo NK, Freeman BA, Freyberg Z, Arteel GE. Olanzapine-induced liver injury in mice: aggravation by high-fat diet and protection with sulforaphane. J Nutr Biochem 2020; 81:108399. [PMID: 32388251 DOI: 10.1016/j.jnutbio.2020.108399] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 03/11/2020] [Accepted: 04/02/2020] [Indexed: 12/12/2022]
Abstract
Olanzapine is effective to treat for schizophrenia and other mood disorders, but limited by side effects such as weight gain, dyslipidemia, and liver injury. Obesity in the US is at epidemic levels, and is a significant risk factor for drug-induced liver injury. Obesity incidence in the psychiatric population is even higher than in the US population as a whole. The purpose of this study was to test the hypothesis that obesity worsens olanzapine-induced hepatic injury, and to investigate the potential protective effects of sulforaphane. 8-week old female C57BL/6 mice were fed either a high-fat or low-fat control diet (HFD and LFD). Mice also received either olanzapine (8 mg/kg/d) or vehicle by osmotic minipump for 4 weeks. A subset of mice in the HFD + olanzapine group was administered sulforaphane, a prototypical Nrf2 inducer (90 mg/kg/d). Olanzapine alone increased body weight, without a commensurate increase in food consumption. Olanzapine also caused hepatic steatosis and injury. Combining olanzapine and HFD caused further dysregulation of glucose and lipid metabolism. Liver damage from concurrent HFD and olanzapine was worse than liver damage from high-fat diet or olanzapine alone. Sulforaphane alleviated many metabolic side effects of olanzapine and HFD. Taken together, these data show that olanzapine dysregulates glucose and lipid metabolism and exacerbates hepatic changes caused by eating a HFD. Activation of the intrinsic antioxidant defense pathway with sulforaphane can partially prevent these effects of olanzapine and may represent a useful strategy to protect against liver injury.
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Affiliation(s)
- Robin H Isaacson
- Department of Cell Biology, Emory University School of Medicine Atlanta, GA
| | - Juliane I Beier
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition; Pittsburgh Liver Research Center
| | | | - Bruce A Freeman
- Department of Pharmacology and Chemical Biology; Vascular Medicine Institute
| | - Zachary Freyberg
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA
| | - Gavin E Arteel
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition; Pittsburgh Liver Research Center.
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Oxidation-reduction mechanisms in psychiatric disorders: A novel target for pharmacological intervention. Pharmacol Ther 2020; 210:107520. [PMID: 32165136 DOI: 10.1016/j.pharmthera.2020.107520] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 03/02/2020] [Indexed: 12/16/2022]
Abstract
While neurotransmitter dysfunction represents a key component in mental illnesses, there is now a wide agreement for a central pathophysiological hub that includes hormones, neuroinflammation, redox mechanisms as well as oxidative stress. With respect to oxidation-reduction (redox) mechanisms, preclinical and clinical evidence suggests that an imbalance in the pro/anti-oxidative homeostasis toward the increased production of substances with oxidizing potential may contribute to the etiology and manifestation of different psychiatric disorders. The substantial and continous demand for energy renders the brain highly susceptible to disturbances in its energy supply, especially following exposure to stressful events, which may lead to overproduction of reactive oxygen and nitrogen species under conditions of perturbed antioxidant defenses. This will eventually induce different molecular alterations, including extensive protein and lipid peroxidation, increased blood-brain barrier permeability and neuroinflammation, which may contribute to the changes in brain function and morphology observed in mental illnesses. This view may also reconcile different key concepts for psychiatric disorders, such as the neurodevelopmental origin of these diseases, as well as the vulnerability of selective cellular populations that are critical for specific functional abnormalities. The possibility to pharmacologically modulate the redox system is receiving increasing interest as a novel therapeutic strategy to counteract the detrimental effects of the unbalance in brain oxidative mechanisms. This review will describe the main mechanisms and mediators of the redox system and will examine the alterations of oxidative stress found in animal models of psychiatric disorders as well as in patients suffering from mental illnesses, such as schizophrenia and major depressive disorder. In addition, it will discuss studies that examined the effects of psychotropic drugs, including antipsychotics and antidepressants, on the oxidative balance as well as studies that investigated the effectiveness of a direct modulation of oxidative mechanisms in counteracting the behavioral and functional alterations associated with psychiatric disorders, which supports the promising role of the redox system as a novel therapeutic target for the improved treatment of brain disorders.
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Das TK, Javadzadeh A, Dey A, Sabesan P, Théberge J, Radua J, Palaniyappan L. Antioxidant defense in schizophrenia and bipolar disorder: A meta-analysis of MRS studies of anterior cingulate glutathione. Prog Neuropsychopharmacol Biol Psychiatry 2019; 91:94-102. [PMID: 30125624 DOI: 10.1016/j.pnpbp.2018.08.006] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 07/21/2018] [Accepted: 08/13/2018] [Indexed: 12/15/2022]
Abstract
BACKGROUND Glutathione [GSH] is a major intracellular antioxidant that disposes peroxides and protects neurons and glial cells from oxidative stress. In both schizophrenia and bipolar disorder, atypical levels of GSH have been demonstrated, particularly in the anterior cingulate cortex (ACC), though no consistent results have emerged due to limitations in sample size. Our objective was to evaluate if GSH levels in the ACC are abnormal in these 2 disorder, when compared to healthy controls. METHODS We reviewed all 1H-MRS studies reporting GSH values for patients satisfying DSM or ICD based criteria for (1) the psychotic disorders - schizophrenia or schizoaffective disorder or (2) bipolar disorder in comparison to a healthy controls (HC) group in the Anterior Cingulate Cortex (ACC) published until June 2018. A random-effects model was used to calculate the pooled effect size. A meta-regression analysis of moderator variables was also undertaken. RESULTS The literature search identified 18 studies with a total sample size of 581 controls, 578 patients with schizophrenia or bipolar disorder. There is a small but significant reduction in ACC GSH in patients with schizophrenia compared to HC (N = 13; RFX SMD =0.26; 95% CI [0.07 to 0.44]; p = 0.008; heterogeneity p = 0.11). There is a significant increase in the ACC GSH concentration in bipolar disorder compared to HC (N = 6; RFX SMD = -0.28, 95% CI [-0.09 to -0.47]; p = 0.003; heterogeneity p = 0.95). CONCLUSIONS We report a small, but significant reduction in GSH concentration in the ACC in schizophrenia, and a similar sized increase in bipolar disorder. A notable limitation is the lack of sufficient data to examine the moderating effect of the symptom profile. Schizophrenia and bipolar disorder have notably different patterns of redox abnormalities in the ACC. Reduced ACC GSH may confer a schizophrenia-like clinical phenotype, while an excess favouring a bipolar disorder-like profile.
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Affiliation(s)
- Tushar Kanti Das
- Department of Psychiatry, University of Western Ontario, London, ON, Canada; Robarts Research Institute, London, ON. Canada; Lawson Health Research Institute, London, ON. Canada
| | - Alborz Javadzadeh
- Department of Psychiatry, University of Western Ontario, London, ON, Canada
| | - Avyarthana Dey
- Department of Psychiatry, University of Western Ontario, London, ON, Canada; Robarts Research Institute, London, ON. Canada
| | | | - Jean Théberge
- Lawson Health Research Institute, London, ON. Canada; Department of Medical Biophysics, University of Western Ontario, London, ON, Canada; Department of Diagnostic Imaging, St. Joseph's Health Care London, ON, Canada
| | - Joaquim Radua
- FIDMAG Germanes Hospitalàries, CIBERSAM, Sant Boi de Llobregat, Spain; Institute of Psychiatry, King's College London, De Crespigny Park, London,UK; Centre for Psychiatric Research and Education, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Lena Palaniyappan
- Department of Psychiatry, University of Western Ontario, London, ON, Canada; Robarts Research Institute, London, ON. Canada; Lawson Health Research Institute, London, ON. Canada; Department of Medical Biophysics, University of Western Ontario, London, ON, Canada.
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Xie T, Li Q, Luo X, Tian L, Wang Z, Tan S, Chen S, Yang G, An H, Yang F, Tan Y. Plasma total antioxidant status and cognitive impairments in first-episode drug-naïve patients with schizophrenia. Cogn Neurodyn 2019; 13:357-365. [PMID: 31354881 DOI: 10.1007/s11571-019-09530-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 03/04/2019] [Accepted: 04/02/2019] [Indexed: 10/27/2022] Open
Abstract
Accumulating evidence suggest that excessive reactive oxygen species-induced oxidative damage may underlie neurodegeneration and cognitive impairment in several disorders including schizophrenia. In this study we examined the association of oxidative stress with cognitive deficits in first-episode drug-naïve (FEDN) patients with schizophrenia. We recruited 54 FEDN patients and 50 age- and sex-matched healthy controls and examined the Measurement and Treatment Research to Improve Cognition in Schizophrenia Consensus cognitive Battery (MCCB) and plasma total antioxidant status (TAS). Psychopathological symptoms were assessed using the Positive and Negative Syndrome Scale. The results showed that plasma TAS levels were significantly lower in the patients than those in the healthy subjects (94.7 ± 25.0 U/ml vs 156.6 ± 46.7 U/ml, p < 0.0001). The patients scored lower than healthy controls on the MCCB total score, speed of processing, attention/vigilance and managing emotion test index and STROOP test. For the patients, TAS was associated with some domains of cognitive deficits in schizophrenia, such as speed of processing, attention/vigilance and emotion managing. Our results suggested that oxidative stress may be involved in the pathophysiology of schizophrenia at the early of stage and its cognitive impairment.
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Affiliation(s)
- Ting Xie
- 1Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, 100096 People's Republic of China
| | - Qiongwei Li
- 1Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, 100096 People's Republic of China
| | - Xingguang Luo
- 2Department of Psychiatry, Yale University School of Medicine, New Haven, CT USA
| | - Li Tian
- 3Neuroscience Center, University of Helsinki, Viikinkaari 4, 00014 Helsinki, Finland
| | - Zhiren Wang
- 1Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, 100096 People's Republic of China
| | - Shuping Tan
- 1Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, 100096 People's Republic of China
| | - Song Chen
- 1Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, 100096 People's Republic of China
| | - Guigang Yang
- 1Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, 100096 People's Republic of China
| | - Huimei An
- 1Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, 100096 People's Republic of China
| | - Fude Yang
- 1Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, 100096 People's Republic of China
| | - Yunlong Tan
- 1Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, 100096 People's Republic of China
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Association between neurological soft signs and antioxidant enzyme activity in schizophrenic patients. Psychiatry Res 2018; 269:746-752. [PMID: 30273900 DOI: 10.1016/j.psychres.2018.09.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 05/26/2018] [Indexed: 02/05/2023]
Abstract
To determine the relationship between alterations in the activity of the enzymes participating in antioxidative defense system and neurological soft signs (NSS) in schizophrenic patients with the first episode psychosis (SFE, n = 19), patients in relapse (SR, n = 46), and healthy controls (HC, n = 20). NSS intensity and enzymatic plasma activities of superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPX) were compared between SFE, SR and HC subjects and a follow-up correlation analyses between the enzyme activities and NSS intensity was performed. NSS intensity was increased four times in schizophrenic patients compared with healthy controls. Activities of SOD and CAT were 40% decreased in SFE and these reductions were ameliorated by antipsychotic treatment. GPX activity was 20% decreased in both patient groups compared with controls. A negative correlation between NSS intensity and GPX activity was specifically found in the SFE patients. The data in this report argue that a reduction of GPX activity might be one of the causes for the emergence of NSS at the onset of schizophrenia, and provide the evidence that antipsychotic therapy can attenuate activity reductions of SOD and CAT, but not the activity reduction of GPX and the intensity of NSS.
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Hendouei N, Farnia S, Mohseni F, Salehi A, Bagheri M, Shadfar F, Barzegar F, Hoseini SD, Charati JY, Shaki F. Alterations in oxidative stress markers and its correlation with clinical findings in schizophrenic patients consuming perphenazine, clozapine and risperidone. Biomed Pharmacother 2018; 103:965-972. [DOI: 10.1016/j.biopha.2018.04.109] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 04/11/2018] [Accepted: 04/13/2018] [Indexed: 11/27/2022] Open
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Tian JS, Zhai QJ, Zhao Y, Chen R, Zhao LD. 2-(2-benzofuranyl)-2-imidazoline (2-BFI) improved the impairments in AD rat models by inhibiting oxidative stress, inflammation and apoptosis. J Integr Neurosci 2018; 16:385-400. [PMID: 28891528 DOI: 10.3233/jin-170032] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Alzheimer's Disease (AD) is one of the commonest neural degeneration in aging population, and has become a global health challenge. 2-(2-benzofuranyl)-2-imidazoline (2-BFI) was reported to effectively improved the damage of patients with neuropathological disorders. In the present study, we investigated the effect of 2-BFI on the improvement of antioxidative, inflammation, and apoptosis in AD rats. Sprague-Dawley rats (2 months old, n=40) were used in this study and after injection of Aβ1-42 into hippocampal CA1 (Cornu Ammonis) region, the rats were given high, moderate and low dose of 2-BFI though intraperitoneal (i.p.) injection. Then spatial memory and navigation ability were analyzed by Morrize Water Maze. For the molecular testing, chemical colorimetry, ELISA and immunoblotting were performed to measure the activities of antioxidative enzymes, the abundance of immune cytokines and expression of apoptotic proteins, respectively. Hematoxylin and Eosin staining was used to analyze the pathological changes. We observed that 2-BFI significantly ameliorated the learning and memory abilities in rat models with AD by dosage treatment, as demonstrated by the shorten learning latency and greater times of travel across the platform quadrant. Additionally, reactive oxygen species (ROS) and malondialdehyde (MDA), were decreased after treatment of 2-BFI with dosage dependency, while the activities of superoxidase dismutase (SOD) and (GPX) Glutathione peroxidase were in turn enhanced, suggesting that 2-BFI could protect the antioxidative enzymes and reduce the oxidative stress in the hippocampus. Moreover, the expression of inflammatory factors including TNF-a and IL-1β were decreased after 2-BFI treatment. Additionally, the neuronal apoptosis was also attenuated, as shown by Western blot results. Taken together, the cognitive impairment in AD rats could be significantly improved by 2-BFI in a dose-dependent manner through suppressing oxidants accumulation, inhibiting of inflammatory response, as well as enhancing the neural viability.
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Affiliation(s)
- Ji-Sha Tian
- Department of Neurology, Huai'an Second People's Hospital, Huaian, Jiangsu, 223002, PR China
| | - Qi-Jin Zhai
- Department of Neurology, Huai'an Second People's Hospital, Huaian, Jiangsu, 223002, PR China
| | - Ying Zhao
- Department of Neurology, Huai'an Second People's Hospital, Huaian, Jiangsu, 223002, PR China
| | - Rui Chen
- Department of Neurology, Huai'an Second People's Hospital, Huaian, Jiangsu, 223002, PR China
| | - Lian-Dong Zhao
- Department of Neurology, Huai'an Second People's Hospital, Huaian, Jiangsu, 223002, PR China
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Dietrich-Muszalska A, Kolińska-Łukaszuk J. Comparative effects of aripiprazole and selected antipsychotic drugs on lipid peroxidation in plasma. Psychiatry Clin Neurosci 2018; 72:329-336. [PMID: 29280533 DOI: 10.1111/pcn.12631] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 11/10/2017] [Accepted: 12/21/2017] [Indexed: 11/29/2022]
Abstract
AIM The aim of the present study was to evaluate and compare the effects of a new antipsychotic, aripiprazole (unique due to its mechanism of action), with the effects of selected antipsychotic drugs, such as quetiapine, olanzapine, clozapine, risperidone, and ziprasidone (at the final concentrations corresponding to clinically effective doses used for the treatment of acute episodes of schizophrenia) on lipid peroxidation in human plasma measured by the level of thiobarbituric acid reactive substances (TBARS), which is a marker of oxidative stress. METHODS The levels of TBARS were measured spectrophotometrically, according to the modification of the Rice-Evans method. RESULTS Our results indicate that antipsychotics at doses recommended for the treatment of acute episodes of schizophrenia may induce distinct changes in the levels of lipid peroxidation products (TBARS) in plasma. Aripiprazole had no effect on the level of a lipid peroxidation marker in plasma, although used at lower doses it showed insignificant prooxidative properties similar to clozapine. Quetiapine had the strongest antioxidant properties, contrary to prooxidative action of risperidone, ziprasidone or haloperidol, and clozapine at lower doses. Olanzapine reduced the level of TBARS in plasma only at a lower dose. CONCLUSION Antipsychotics at doses recommended for the treatment of acute episode in schizophrenia may induce the distinct changes in plasma lipid peroxidation. Aripiprazole did not induce significant changes in plasma lipid peroxidation. In further studies, the role of oxidative stress in schizophrenic patients together with their clinical symptomatology and use of antipsychotics should be taken into account.
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Maciel AL, Abelaira HM, de Moura AB, de Souza TG, Rosa T, Matos D, Tuon T, Garbossa L, Strassi AP, Fileti ME, Goldim MP, Mathias K, Petronilho F, Quevedo J, Réus GZ. Acute treatment with ketamine and chronic treatment with minocycline exert antidepressant-like effects and antioxidant properties in rats subjected different stressful events. Brain Res Bull 2018; 137:204-216. [DOI: 10.1016/j.brainresbull.2017.12.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 11/29/2017] [Accepted: 12/04/2017] [Indexed: 12/28/2022]
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The use of quetiapine in the treatment of major depressive disorder: Evidence from clinical and experimental studies. Neurosci Biobehav Rev 2018; 86:36-50. [DOI: 10.1016/j.neubiorev.2017.12.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 12/24/2017] [Accepted: 12/24/2017] [Indexed: 12/19/2022]
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Ginsenoside Re protects against phencyclidine-induced behavioral changes and mitochondrial dysfunction via interactive modulation of glutathione peroxidase-1 and NADPH oxidase in the dorsolateral cortex of mice. Food Chem Toxicol 2017; 110:300-315. [PMID: 29037473 DOI: 10.1016/j.fct.2017.10.019] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 09/21/2017] [Accepted: 10/11/2017] [Indexed: 12/15/2022]
Abstract
We investigated whether ginsenoside Re (Re) modulates phencyclidine (PCP)-induced sociability deficits and recognition memory impairments to extend our recent finding. We examined the role of GPx-1 gene in the pharmacological activity of Re against mitochondrial dysfunction induced by PCP in the dorsolateral cortex of mice. Since mitochondrial oxidative stress activates NADPH oxidase (PHOX), we applied PHOX inhibitor apocynin for evaluating interactive modulation between GPx-1 and PHOX against PCP neurotoxicity. Sociability deficits and recognition memory impairments induced by PCP were more pronounced in GPx-1 knockout (KO) than in wild type (WT) mice. PCP-induced mitochondrial oxidative stress, mitochondrial dysfunction, and membrane translocation of p47phox were more evident in GPx-1 KO than in WT. Re treatment significantly attenuated PCP-induced neurotoxic changes. Re also significantly attenuated PCP-induced sociability deficits and recognition memory impairments. The attenuation by Re was comparable to that by apocynin. The attenuation was more obvious in GPx-1 KO than in WT. Importantly, apocynin did not show any additional positive effects on the neuroprotective activity of Re, indicating that PHOX is a molecular target for therapeutic activity of Re. Our results suggest that Re requires interactive modulation between GPx activity and PHOX (p47phox) to exhibit neuroprotective potentials against PCP insult.
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Yin J, Wu B, Zhang XX, Xian Q. Comparative toxicity of chloro- and bromo-nitromethanes in mice based on a metabolomic method. CHEMOSPHERE 2017; 185:20-28. [PMID: 28683333 DOI: 10.1016/j.chemosphere.2017.06.116] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 06/26/2017] [Accepted: 06/27/2017] [Indexed: 06/07/2023]
Abstract
Halonitromethanes (HNMs) as one typical class of nitrogenous disinfection byproducts have been widely found in drinking water. In vitro test found HNMs could induce higher cytotoxicity and genotoxicity than trihalomethanes and haloacetic acids. However, data on toxic effect from in vivo experiment is limited. In this study, bromonitromethane (BNM), bromochloronitromethane (BCNM) and trichloronitromethane (TCNM) were chosen as target HNMs, and exposed to mice for 30 d. Hepatic toxicity and serum metabolic profiles were determined to reveal toxic effects and mechanisms of the three HNMs. Results showed the three HNMs significantly decreased relative liver weight, indicating liver is one of the target organs. Further, the three HNMs exposure damaged hepatic antioxidant defense system, and increased oxidative DNA damage. Nuclear magnetic resonance based metabolomics analysis found amino acid metabolism and carbohydrate metabolism were disturbed by HNMs exposure. Some metabolites in these metabolisms are related to oxidative stress and damage. Combined with above results, BNM had the highest toxicity, followed by BCNM and TCNM, indicating bromo-HNMs had higher toxicity than chloro-HNMs. Induction of oxidative stress is one of the toxicity mechanisms of HNMs. This study firstly provides the insight into in vivo toxicity of HNMs and their underlying mechanisms based on metabolomics methods, which is very useful for their health risk assessment in drinking water.
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Affiliation(s)
- Jinbao Yin
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Bing Wu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China.
| | - Xu-Xiang Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Qiming Xian
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China.
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Ignácio ZM, Réus GZ, Abelaira HM, de Moura AB, de Souza TG, Matos D, Goldim MP, Mathias K, Garbossa L, Petronilho F, Quevedo J. Acute and chronic treatment with quetiapine induces antidepressant-like behavior and exerts antioxidant effects in the rat brain. Metab Brain Dis 2017; 32:1195-1208. [PMID: 28477202 DOI: 10.1007/s11011-017-0028-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 05/01/2017] [Indexed: 12/19/2022]
Abstract
Many studies note that changes in oxidative balance are involved in the pathogenesis of major depressive disorder (MDD) and in the success of some antidepressants. Quetiapine exerts a therapeutic response and induces changes in physiological mechanisms that appear to underlie MDD. The objective of this study was to evaluate the antidepressant and antioxidant effects of quetiapine (20 mg /kg) in adult animals. Sixty minutes after an acute treatment or the last administration of chronic treatment (14 days) with quetiapine, animals were subjected to the forced swimming test (FST) to evaluate mobility parameters. Then, the hippocampus, prefrontal cortex (CPF), amygdala and nucleus accumbens (NAc) were removed for the assessment of oxidative stress parameters. Both acute and chronic treatments exerted antidepressant-like effects. Myeloperoxidase (MPO) activity was reduced in the amygdala after acute treatment and in the hippocampus, PFC and amygdala after chronic treatment. In addition, after chronic treatment, the levels of thiobarbituric reactive species (TBARS) were reduced in the amygdala and NAc, and the protein carbonyl content was reduced in the CPF. Superoxide dismutase (SOD) activity increased in the NAc after acute and chronic treatments. Catalase (CAT) activity increased in the PFC after acute treatment and in the NAc after acute and chronic treatments. The concentration of nitrite/nitrate was lower in the CPF after chronic treatment. These results corroborate the antidepressant effect of quetiapine and indicate that quetiapine exhibits an antioxidant profile, a physiological mechanism that appears be involved in the therapeutic function of quetiapine in individuals resistant to classical antidepressant treatments.
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Affiliation(s)
- Zuleide M Ignácio
- Laboratório de Neurociências, Unidade Acadêmica em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
- Laboratório de Fisiologia, Farmacologia e Psicopatologia, Campus Chapecó, Universidade Federal da Fronteira Sul, Chapecó, Santa Catarina, Brazil
| | - Gislaine Z Réus
- Laboratório de Neurociências, Unidade Acadêmica em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil.
| | - Helena M Abelaira
- Laboratório de Neurociências, Unidade Acadêmica em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
| | - Airam B de Moura
- Laboratório de Neurociências, Unidade Acadêmica em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
| | - Thays G de Souza
- Laboratório de Neurociências, Unidade Acadêmica em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
| | - Danyela Matos
- Laboratório de Neurociências, Unidade Acadêmica em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
| | - Mariana P Goldim
- Laboratório de Patofisiologia Clínica e Experimental, Universidade do Sul de Santa Catarina, Tubarão, SC, Brazil
| | - Khiany Mathias
- Laboratório de Patofisiologia Clínica e Experimental, Universidade do Sul de Santa Catarina, Tubarão, SC, Brazil
| | - Leandro Garbossa
- Laboratório de Patofisiologia Clínica e Experimental, Universidade do Sul de Santa Catarina, Tubarão, SC, Brazil
| | - Fabricia Petronilho
- Laboratório de Patofisiologia Clínica e Experimental, Universidade do Sul de Santa Catarina, Tubarão, SC, Brazil
| | - João Quevedo
- Laboratório de Neurociências, Unidade Acadêmica em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
- Center for Translational Psychiatry, Department of Psychiatry and Behavioral Sciences, Medical School, The University of Texas Health Science Center at Houston, Houston, TX, USA
- Center of Excellence on Mood Disorders, Department of Psychiatry and Behavioral Sciences, Medical School, The University of Texas Health Science Center at Houston, Houston, TX, USA
- Neuroscience Graduate Program, Graduate School of Biomedical Sciences, The University of Texas Health Science Center at Houston, Houston, TX, USA
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Mitra S, Natarajan R, Ziedonis D, Fan X. Antioxidant and anti-inflammatory nutrient status, supplementation, and mechanisms in patients with schizophrenia. Prog Neuropsychopharmacol Biol Psychiatry 2017; 78:1-11. [PMID: 28499901 DOI: 10.1016/j.pnpbp.2017.05.005] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 05/06/2017] [Accepted: 05/08/2017] [Indexed: 10/19/2022]
Abstract
Over 50 million people around the world suffer from schizophrenia, a severe mental illness characterized by misinterpretation of reality. Although the exact causes of schizophrenia are still unknown, studies have indicated that inflammation and oxidative stress may play an important role in the etiology of the disease. Pro-inflammatory cytokines are crucial for normal central nervous development and proper functioning of neural networks and neurotransmitters. Patients with schizophrenia tend to have abnormal immune activation resulting in elevated pro-inflammatory cytokine levels, ultimately leading to functional brain impairments. Patients with schizophrenia have also been found to suffer from oxidative stress, a result of an imbalance between the production of free radicals and the ability to detoxify their harmful effects. Furthermore, inflammation and oxidative stress are implicated to be related to the severity of psychotic symptoms. Several nutrients are known to have anti-inflammatory and antioxidant functions through various mechanisms in our body. The present review evaluates studies and literature that address the status and supplementation of omega-3 polyunsaturated fatty acids, vitamin D, B vitamins (B6, folate, B12), vitamin E, and carotenoids in different stages of schizophrenia. The possible anti-inflammatory and antioxidant mechanisms of action of each nutrient are discussed.
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Affiliation(s)
- Sumedha Mitra
- Department of Psychiatry, UMass Memorial Medical Center/University of Massachusetts Medical School, One Biotech, 365 Plantation Street, Worcester, MA 01605, USA
| | - Radhika Natarajan
- Department of Psychiatry, UMass Memorial Medical Center/University of Massachusetts Medical School, One Biotech, 365 Plantation Street, Worcester, MA 01605, USA
| | - Douglas Ziedonis
- Department of Psychiatry, UMass Memorial Medical Center/University of Massachusetts Medical School, One Biotech, 365 Plantation Street, Worcester, MA 01605, USA
| | - Xiaoduo Fan
- Department of Psychiatry, UMass Memorial Medical Center/University of Massachusetts Medical School, One Biotech, 365 Plantation Street, Worcester, MA 01605, USA.
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Kim YK, Na KS. Neuroprotection in Schizophrenia and Its Therapeutic Implications. Psychiatry Investig 2017; 14:383-391. [PMID: 28845163 PMCID: PMC5561394 DOI: 10.4306/pi.2017.14.4.383] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 07/04/2016] [Accepted: 07/06/2016] [Indexed: 12/21/2022] Open
Abstract
Schizophrenia is a chronic and debilitating mental disorder. The persisting negative and cognitive symptoms that are unresponsive to pharmacotherapy reveal the impairment of neuroprotective aspects of schizophrenia. In this review, of the several neuroprotective factors, we mainly focused on neuroinflammation, neurogenesis, and oxidative stress. We conducted a narrative and selective review. Neuroinflammation is mainly mediated by pro-inflammatory cytokines and microglia. Unlike peripheral inflammatory responses, neuroinflammation has a role in various neuronal activities such as neurotransmission neurogenesis. The cross-talk between neuroinflammation and neurogenesis usually has beneficial effects in the CNS under physiological conditions. However, uncontrolled and chronic neuroinflammation exert detrimental effects such as neuronal loss, inhibited neurogenesis, and excessive oxidative stress. Neurogenesis is also a major component of neuroprotection. Adult neurogenesis mainly occurs in the hippocampal region, which has an important role in memory formation and processing. Impaired neurogenesis and an ineffective response to antipsychotics may be thought to indicate a deteriorating course of schizophrenia. Oxidative stress and excessive dopaminergic neurotransmission may create a vicious cycle and consequently disturb NMDA receptor-mediated glutamatergic neurotransmission. Based on the current evidences, several neuroprotective therapeutic approaches have been reported to be efficacious for improving psychopathology, but further longitudinal and large-sample based studies are needed.
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Affiliation(s)
- Yong-Ku Kim
- Department of Psychiatry, College of Medicine, Korea University, Seoul, Republic of Korea
| | - Kyoung-Sae Na
- Department of Psychiatry, Gachon University Gil Medical Center, Incheon, Republic of Korea
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Thiol/disulfide homeostasis in untreated schizophrenia patients. Psychiatry Res 2017; 251:212-216. [PMID: 28214778 DOI: 10.1016/j.psychres.2017.02.016] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 11/23/2016] [Accepted: 02/05/2017] [Indexed: 12/14/2022]
Abstract
BACKROUND The aim of the study was to investigate dynamic thiol/disulfide (SH/SS) homeostasis in untreated schizophrenia. METHODS Blood thiol/disulfide homeostasis status, which reflects native thiol-disulfide exchanges, was investigated in 87 untreated patients (52 males, 35 females), and the obtained results were compared with 86 healthy controls. Blood serum native thiol and total thiol (ToSH) concentrations were measured in a paired test. The half value of the difference between native thiol and ToSH concentrations was calculated as the disulfide bond amount. RESULTS SH and ToSH concentrations were found to be significantly lower (p<0.001 for both) in patients with untreated schizophrenia compared with the control group, whereas disulfide levels were significantly higher (p<0.001). Schizophrenia patients had significantly higher SS/ToSH and SS/SH ratios and a significantly lower SH/ToSH ratio compared to those of healthy individuals. CONCLUSIONS SH and ToSH amounts were found to be insufficient in untreated schizophrenia patients. Additionally, according to the results of the study, thiol/disulfide homeostasis was also disturbed by a shift to the disulfide bond formation side. This might affect the neurotransmission processes, which are known to be related with many symptoms observed in schizophrenia. The replacement of the thiol gap and the reduction of excess SS amounts might have a positive effect in supporting therapy for schizophrenia patients.
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Increased serum G72 protein levels in patients with schizophrenia: a potential candidate biomarker. Acta Neuropsychiatr 2017; 29:80-86. [PMID: 27412497 DOI: 10.1017/neu.2016.34] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE The product of the G72 gene is an activator of d-amino acid oxidase and has been suggested to play a role in the pathogenesis of schizophrenia. Increased G72 protein levels may be associated with disturbed glutamatergic transmission and increased reactive oxygen species. Only one pilot study by Lin et al. has investigated the potential role of serum G72 protein levels as a biomarker for schizophrenia. In this study, we aimed to compare serum G72 protein levels between patients with schizophrenia and healthy controls, and to retest the results of the previous pilot study. Materials and methods In total, 107 patients with a diagnosis of schizophrenia according to the inclusion and exclusion criteria and 60 age-sex-matched healthy controls were included in the study. The groups were compared regarding serum G72 protein levels. RESULTS The mean serum G72 protein values were 495.90±152.03 pg/ml in the schizophrenia group and 346.10±102.08 pg/ml in the healthy control group. The mean serum G72 protein level was significantly increased in the schizophrenia group compared with the healthy control group (t=-3.89, p<0.001). A receiver operating characteristics analysis was performed to compare the schizophrenia and healthy control groups. It was determined that the cut-off value was 141.51 pg/ml with a sensitivity of 0.991 and a specificity of 0.821. CONCLUSION We suggest that serum G72 protein levels may represent a candidate biomarker for schizophrenia and have confirmed the results of the previous preliminary study. Additional studies with larger sample sizes and the inclusion of first episode schizophrenia patients are required to clarify the reliability and validity of serum G72 protein levels as a biomarker for schizophrenia.
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