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Stratilov V, Potapova S, Safarova D, Tyulkova E, Vetrovoy O. Prenatal Hypoxia Triggers a Glucocorticoid-Associated Depressive-like Phenotype in Adult Rats, Accompanied by Reduced Anxiety in Response to Stress. Int J Mol Sci 2024; 25:5902. [PMID: 38892090 PMCID: PMC11172361 DOI: 10.3390/ijms25115902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 05/20/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
Fetal hypoxia and maternal stress frequently culminate in neuropsychiatric afflictions in life. To replicate this condition, we employed a model of prenatal severe hypoxia (PSH) during days 14-16 of rat gestation. Subsequently, both control and PSH rats at 3 months old were subjected to episodes of inescapable stress to induce learned helplessness (LH). The results of the open field test revealed an inclination towards depressive-like behavior in PSH rats. Following LH episodes, control (but not PSH) rats displayed significant anxiety. LH induced an increase in glucocorticoid receptor (GR) levels in extrahypothalamic brain structures, with enhanced nuclear translocation in the hippocampus (HPC) observed both in control and PSH rats. However, only control rats showed an increase in GR nuclear translocation in the amygdala (AMG). The decreased GR levels in the HPC of PSH rats correlated with elevated levels of hypothalamic corticotropin-releasing hormone (CRH) compared with the controls. However, LH resulted in a reduction of the CRH levels in PSH rats, aligning them with those of control rats, without affecting the latter. This study presents evidence that PSH leads to depressive-like behavior in rats, associated with alterations in the glucocorticoid system. Notably, these impairments also contribute to increased resistance to severe stressors.
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Affiliation(s)
- Viktor Stratilov
- Laboratory of Regulation of Brain Neuronal Functions, Pavlov Institute of Physiology, Russian Academy of Sciences, Makarova Emb. 6, 199034 Saint-Petersburg, Russia
| | - Sofiya Potapova
- Laboratory of Regulation of Brain Neuronal Functions, Pavlov Institute of Physiology, Russian Academy of Sciences, Makarova Emb. 6, 199034 Saint-Petersburg, Russia
| | - Diana Safarova
- Department of Biochemistry, Faculty of Biology, Saint Petersburg State University, Universitetskaya Emb. 7–9, 199034 Saint-Petersburg, Russia
| | - Ekaterina Tyulkova
- Laboratory of Regulation of Brain Neuronal Functions, Pavlov Institute of Physiology, Russian Academy of Sciences, Makarova Emb. 6, 199034 Saint-Petersburg, Russia
| | - Oleg Vetrovoy
- Laboratory of Regulation of Brain Neuronal Functions, Pavlov Institute of Physiology, Russian Academy of Sciences, Makarova Emb. 6, 199034 Saint-Petersburg, Russia
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2
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Liang YF, Chen XQ, Zhang MT, Tang HY, Shen GM. Research Progress of Central and Peripheral Corticotropin-Releasing Hormone in Irritable Bowel Syndrome with Comorbid Dysthymic Disorders. Gut Liver 2024; 18:391-403. [PMID: 37551453 PMCID: PMC11096901 DOI: 10.5009/gnl220346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 04/26/2023] [Accepted: 05/22/2023] [Indexed: 08/09/2023] Open
Abstract
Irritable bowel syndrome (IBS) is considered a stress disorder characterized by psychological and gastrointestinal dysfunction. IBS patients not only suffer from intestinal symptoms such as abdominal pain, diarrhea, or constipation but also, experience dysthymic disorders such as anxiety and depression. Studies have found that corticotropin-releasing hormone plays a key role in IBS with comorbid dysthymic disorders. Next, we will summarize the effects of corticotropin-releasing hormone from the central nervous system and periphery on IBS with comorbid dysthymic disorders and relevant treatments based on published literatures in recent years.
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Affiliation(s)
- Yi Feng Liang
- College of Acupuncture and Massage, Anhui University of Chinese Medicine, Hefei, China
| | - Xiao Qi Chen
- College of Acupuncture and Massage, Anhui University of Chinese Medicine, Hefei, China
| | - Meng Ting Zhang
- College of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - He Yong Tang
- College of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Guo Ming Shen
- College of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
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3
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Hong Y, Sourander C, Hackl B, Patton JS, John J, Paatero I, Coffey E. Jnk1 and downstream signalling hubs regulate anxiety-like behaviours in a zebrafish larvae phenotypic screen. Sci Rep 2024; 14:11174. [PMID: 38750129 PMCID: PMC11096340 DOI: 10.1038/s41598-024-61337-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 05/04/2024] [Indexed: 05/18/2024] Open
Abstract
Current treatments for anxiety and depression show limited efficacy in many patients, indicating the need for further research into the underlying mechanisms. JNK1 has been shown to regulate anxiety- and depressive-like behaviours in mice, however the effectors downstream of JNK1 are not known. Here we compare the phosphoproteomes from wild-type and Jnk1-/- mouse brains and identify JNK1-regulated signalling hubs. We next employ a zebrafish (Danio rerio) larvae behavioural assay to identify an antidepressant- and anxiolytic-like (AA) phenotype based on 2759 measured stereotypic responses to clinically proven antidepressant and anxiolytic (AA) drugs. Employing machine learning, we classify an AA phenotype from extracted features measured during and after a startle battery in fish exposed to AA drugs. Using this classifier, we demonstrate that structurally independent JNK inhibitors replicate the AA phenotype with high accuracy, consistent with findings in mice. Furthermore, pharmacological targeting of JNK1-regulated signalling hubs identifies AKT, GSK-3, 14-3-3 ζ/ε and PKCε as downstream hubs that phenocopy clinically proven AA drugs. This study identifies AKT and related signalling molecules as mediators of JNK1-regulated antidepressant- and anxiolytic-like behaviours. Moreover, the assay shows promise for early phase screening of compounds with anti-stress-axis properties and for mode of action analysis.
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Affiliation(s)
- Ye Hong
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Tykistökatu 6, 20520, Turku, Finland
| | - Christel Sourander
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Tykistökatu 6, 20520, Turku, Finland
| | - Benjamin Hackl
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Tykistökatu 6, 20520, Turku, Finland
| | - Jedidiah S Patton
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Tykistökatu 6, 20520, Turku, Finland
| | - Jismi John
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Tykistökatu 6, 20520, Turku, Finland
| | - Ilkka Paatero
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Tykistökatu 6, 20520, Turku, Finland
| | - Eleanor Coffey
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Tykistökatu 6, 20520, Turku, Finland.
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4
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Kondo T, Okada Y, Shizuya S, Yamaguchi N, Hatakeyama S, Maruyama K. Neuroimmune modulation by tryptophan derivatives in neurological and inflammatory disorders. Eur J Cell Biol 2024; 103:151418. [PMID: 38729083 DOI: 10.1016/j.ejcb.2024.151418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 05/02/2024] [Accepted: 05/03/2024] [Indexed: 05/12/2024] Open
Abstract
The nervous and immune systems are highly developed, and each performs specialized physiological functions. However, they work together, and their dysfunction is associated with various diseases. Specialized molecules, such as neurotransmitters, cytokines, and more general metabolites, are essential for the appropriate regulation of both systems. Tryptophan, an essential amino acid, is converted into functional molecules such as serotonin and kynurenine, both of which play important roles in the nervous and immune systems. The role of kynurenine metabolites in neurodegenerative and psychiatric diseases has recently received particular attention. Recently, we found that hyperactivity of the kynurenine pathway is a critical risk factor for septic shock. In this review, we first outline neuroimmune interactions and tryptophan derivatives and then summarized the changes in tryptophan metabolism in neurological disorders. Finally, we discuss the potential of tryptophan derivatives as therapeutic targets for neuroimmune disorders.
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Affiliation(s)
- Takeshi Kondo
- Department of Biochemistry, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido 060-8636, Japan
| | - Yuka Okada
- Department of Ophthalmology, Wakayama Medical University School of Medicine, Wakayama 641-0012, Japan
| | - Saika Shizuya
- Department of Ophthalmology, Wakayama Medical University School of Medicine, Wakayama 641-0012, Japan
| | - Naoko Yamaguchi
- Department of Pharmacology, School of Medicine, Aichi Medical University, Aichi 480-1195, Japan
| | - Shigetsugu Hatakeyama
- Department of Biochemistry, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido 060-8636, Japan
| | - Kenta Maruyama
- Department of Pharmacology, School of Medicine, Aichi Medical University, Aichi 480-1195, Japan.
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5
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Hampton CE, Kleine SA, Smith JS, Mulon PY, Smith CK, Shanks GA, Vanecek LR, Seddighi R, Cox S. Pharmacokinetics of oral clonazepam in growing commercial pigs (Sus scrofa domestica). J Vet Pharmacol Ther 2024. [PMID: 38706125 DOI: 10.1111/jvp.13451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 03/11/2024] [Accepted: 04/20/2024] [Indexed: 05/07/2024]
Abstract
Clonazepam causes sedation and psychomotor impairment in people. Due to similarities between people and swine in response to benzodiazepines, clonazepam may represent a viable option to produce mild-to-moderate tranquillization in pigs. The objective of this study was to determine the pharmacokinetic profile of a single oral dose (0.5 mg/kg) of clonazepam in eight healthy, growing commercial cross pigs. Serial plasma samples were collected at baseline and up to 96 h after administration. Plasma concentrations were quantified using reverse-phase high-performance liquid chromatography, and compartment models were fit to time-concentration data. A one-compartment first-order model best fits the data. Maximum plasma concentration was 99.5 ng/mL, and time to maximum concentration was 3.4 h. Elimination half-life was 7.3 h, mean residence time 7.4 h, and apparent volume of distribution 5.7 L/kg. Achieved plasma concentrations exceeded those associated with psychomotor impairment in people although pharmacodynamic effects have not been investigated in pigs. A simulated oral regimen consisting of 0.35 mg/kg administered every 8 h to pigs would achieve plasma concentrations above 32 ng/mL which are shown to produce psychomotor impairment in people. Further studies to test the clinical efficacy of these dosages in commercial and miniature pigs are warranted.
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Affiliation(s)
- Chiara E Hampton
- Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee, USA
| | - Stephanie A Kleine
- Small Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee, USA
| | - Joe S Smith
- Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee, USA
| | - Pierre-Yves Mulon
- Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee, USA
| | - Christopher K Smith
- Small Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee, USA
| | - Gregory A Shanks
- College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee, USA
| | | | - Reza Seddighi
- Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee, USA
| | - Sherry Cox
- Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee, USA
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Hen-Shoval D, Indig-Naimer T, Moshe L, Kogan NM, Zaidan H, Gaisler-Salomon I, Okun E, Mechoulam R, Shoval G, Zalsman G, Weller A. Unraveling the molecular basis of cannabidiolic acid methyl Ester's anti-depressive effects in a rat model of treatment-resistant depression. J Psychiatr Res 2024; 175:50-59. [PMID: 38704981 DOI: 10.1016/j.jpsychires.2024.04.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/03/2024] [Accepted: 04/18/2024] [Indexed: 05/07/2024]
Abstract
Major depressive disorder (MDD) stands as a significant cause of disability globally. Cannabidiolic Acid-Methyl Ester (CBDA-ME) (EPM-301, HU-580), a derivative of Cannabidiol, demonstrates immediate antidepressant-like effects, yet it has undergone only minimal evaluation in psychopharmacology. Our goal was to investigate the behavioral and potential molecular mechanisms associated with the chronic oral administration of this compound in the Wistar Kyoto (WKY) genetic model of treatment-resistant depression. Male WKY rats were subjected to behavioral assessments before and after receiving chronic (14-day) oral doses of CBDA-ME (0.5 mg/kg), 15 mg/kg of imipramine or vehicle. At the end of the study, plasma corticosterone levels and mRNA expression of various genes in the medial Prefrontal Cortex and Hippocampus were measured. Behavioral outcomes from CBDA-ME treatment indicated an antidepressant-like effect similar to imipramine, as oral ingestion reduced immobility and increased swimming duration in the Forced Swim Test. Neither treatment influenced locomotion in the Open Field Test nor preference in the Saccharin Preference Test. The behavioral impact in WKY rats coincided with reduced corticosterone serum levels, upregulated mRNA expression of Cannabinoid receptor 1, Fatty Acid Amide Hydrolase, and Corticotropin-Releasing Hormone Receptor 1, alongside downregulation of the Serotonin Transporter in the hippocampus. Additionally, there was an upregulation of CB1 mRNA expression and downregulation of Brain-Derived Neurotrophic Factor in the mPFC. These findings contribute to our limited understanding of the antidepressant effects of CBDA-ME and shed light on its potential psychopharmacological mechanisms. This discovery opens up possibilities for utilizing cannabinoids in the treatment of major depressive disorder and related conditions.
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Affiliation(s)
- D Hen-Shoval
- Psychology Department, Bar-Ilan University, Ramat Gan, Israel; Gonda Brain Research Center, Bar-Ilan University, Ramat Gan, Israel.
| | - T Indig-Naimer
- Gonda Brain Research Center, Bar-Ilan University, Ramat Gan, Israel
| | - L Moshe
- Psychology Department, Bar-Ilan University, Ramat Gan, Israel; Gonda Brain Research Center, Bar-Ilan University, Ramat Gan, Israel
| | - N M Kogan
- Institute of Personalized and Translational Medicine, Molecular Biology, Ariel University, Ariel, 4070000, Israel
| | - H Zaidan
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Haifa, Israel
| | - I Gaisler-Salomon
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Haifa, Israel
| | - E Okun
- Gonda Brain Research Center, Bar-Ilan University, Ramat Gan, Israel; The Mina and Everard Goodman Faculty of Life Sciences, Israel; The Paul Feder laboratory for Alzheimer disease research, Bar-Ilan University, Ramat Gan, Israel; Princeton Neuroscience Institute, Princeton University, Princeton, NJ, United States
| | - R Mechoulam
- Institute for Drug Research, Medical Faculty, Hebrew University, Jerusalem, Israel
| | - G Shoval
- Geha Mental Health Center, Petah Tiqva, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Princeton Neuroscience Institute, Princeton University, Princeton, NJ, United States
| | - G Zalsman
- Geha Mental Health Center, Petah Tiqva, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Division of Molecular Imaging and Neuropathology, Department of Psychiatry, Columbia University, New York, NY, United States
| | - A Weller
- Psychology Department, Bar-Ilan University, Ramat Gan, Israel; Gonda Brain Research Center, Bar-Ilan University, Ramat Gan, Israel
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7
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Zou Z, Huang Y, Maes M, Wang J, He Y, Min W, Zhou B. Effects of antidepressant on FKBP51 mRNA expression and neuroendocrine hormones in patients with panic disorder. BMC Psychiatry 2024; 24:269. [PMID: 38600448 PMCID: PMC11005249 DOI: 10.1186/s12888-024-05704-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 03/21/2024] [Indexed: 04/12/2024] Open
Abstract
OBJECTIVE The purpose of this study was to investigate the effects of escitalopram on the peripheral expression of hypothalamic-pituitary-adrenal (HPA) axis-related genes (FKBP51, HSP90, NR3C1 and POMC) and HPA-axis hormones in patients with panic disorder (PD). METHODS Seventy-seven patients with PD were treated with escitalopram for 12 weeks. All participants were assessed for the severity of panic symptoms using the Panic Disorder Severity Scale (PDSS). The expression of HPA-axis genes was measured using real-time quantitative fluorescent PCR, and ACTH and cortisol levels were measured using chemiluminescence at baseline and after 12 weeks of treatment. RESULTS At baseline, patients with PD had elevated levels of ACTH and cortisol, and FKBP51 expression in comparison to healthy controls (all p < 0.01). Correlation analysis revealed that FKBP51 expression levels were significantly positively related to cortisol levels and the severity of PD (all p < 0.01). Furthermore, baseline ACTH and cortisol levels, and FKBP51 expression levels were significantly reduced after 12 weeks of treatment, and the change in the PDSS score from baseline to post-treatment was significantly and positively related to the change in cortisol (p < 0.01). CONCLUSIONS The results suggest that PD may be associated with elevated levels of ACTH and cortisol, and FKBP51 expression, and that all three biomarkers are substantially decreased in patients who have received escitalopram treatment.
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Affiliation(s)
- Zhili Zou
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, 610072, Chengdu, China.
| | - Yulan Huang
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, 610072, Chengdu, China
| | - Michael Maes
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, 610072, Chengdu, China
| | - Jinyu Wang
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, 610072, Chengdu, China
| | - Ying He
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, 610072, Chengdu, China
| | - Wenjiao Min
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, 610072, Chengdu, China
| | - Bo Zhou
- Provincial Center for Mental Health, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, 610072, Chengdu, China
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8
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Garzón Rodríguez N, Briceño-Balcázar I, Díaz-Barrera LE, Nicolini H, Genis-Mendoza AD, Flores-Lázaro JC, Quiroz-Padilla MF. Moderating effects of impulsivity and morning cortisol on the genotype-phenotype relationship of attention deficit hyperactivity disorder in young adults. Stress Health 2024; 40:e3308. [PMID: 37621233 DOI: 10.1002/smi.3308] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 03/14/2023] [Accepted: 08/14/2023] [Indexed: 08/26/2023]
Abstract
Dysregulation of the morning cortisol response in young adults with attention deficit hyperactivity disorder (ADHD) has been shown to underlie several of the alterations present in their lives. Thus, the interaction of this mechanism with genetic and behavioural characteristics could explain a large proportion of the aetiology of ADHD in this population. For these reasons, the present study explores the associations of 30 single nucleotide polymorphisms (SNPs) previously identified as significant (after correction for multiple comparisons) in the aetiology of ADHD with an assessment of morning cortisol and impulsivity traits in a group of 120 adults aged 18-24 years. Participants were recruited through private centres of neuropsychology and psychiatry, as well as through events in local universities. Morning cortisol within 30 min of awakening and motor impulsivity traits were shown to moderate the effect of SNP rs10129500 on the severity of the symptoms of ADHD measured by the Adult Self-Report Scale. This variant associated with cortisol-binding globulin would explain the low concentrations of this hormone found in young adults with high symptoms of ADHD, which is accentuated when there are high levels of impulsivity. The proposed model allows for transferring the theoretical relationships between the dimensions that explain the aetiology of ADHD to an applied exploratory model with good performance.
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Affiliation(s)
- Nicolás Garzón Rodríguez
- Laboratorio Bases Biológicas del Comportamiento, Departamento de Psicología Básica y Neurociencias, Facultad de Psicología, Universidad de La Sabana, Chía, Colombia
- Doctorado en Biociencias, Universidad de La Sabana, Chía, Colombia
| | - Ignacio Briceño-Balcázar
- Laboratorio de Genética, Departamento de Biociencias, Facultad de Medicina, Universidad de la Sabana, Chía, Colombia
| | | | - Humberto Nicolini
- Laboratorio de Enfermedades Psiquiátricas, Neurodegenerativas y Adicciones, Instituto Nacional de Medicina Genómica, Secretaría de Salud, Ciudad de Mexico, México
| | - Alma D Genis-Mendoza
- Laboratorio de Enfermedades Psiquiátricas, Neurodegenerativas y Adicciones, Instituto Nacional de Medicina Genómica, Secretaría de Salud, Ciudad de Mexico, México
- Hospital Psiquiátrico Infantil Dr. Juan N. Navarro, Ciudad de Mexico, México
| | | | - María Fernanda Quiroz-Padilla
- Laboratorio Bases Biológicas del Comportamiento, Departamento de Psicología Básica y Neurociencias, Facultad de Psicología, Universidad de La Sabana, Chía, Colombia
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Chang Y, Xie X, Liu Y, Liu M, Zhang H. Exploring clinical applications and long-term effectiveness of benzodiazepines: An integrated perspective on mechanisms, imaging, and personalized medicine. Biomed Pharmacother 2024; 173:116329. [PMID: 38401518 DOI: 10.1016/j.biopha.2024.116329] [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: 11/21/2023] [Revised: 02/13/2024] [Accepted: 02/21/2024] [Indexed: 02/26/2024] Open
Abstract
Benzodiazepines have been long-established treatments for various conditions, including anxiety disorders and insomnia. Recent FDA warnings emphasize the risks of misuse and dependence associated with benzodiazepines. This article highlights their benefits and potential drawbacks from various perspectives. It achieves this by explaining how benzodiazepines work in terms of neuroendocrinology, immunomodulation, sleep, anxiety, cognition, and addiction, ultimately improving their clinical effectiveness. Benzodiazepines play a regulatory role in the HPA axis and impact various systems, including neuropeptide Y and cholecystokinin. Benzodiazepines can facilitate sleep-dependent memory consolidation by promoting spindle wave activity, but they can also lead to memory deficits in older individuals due to reduced slow-wave sleep. The cognitive effects of chronic benzodiazepines use remain uncertain; however, no adverse findings have been reported in clinical imaging studies. This article aims to comprehensively review the evidence on benzodiazepines therapy, emphasizing the need for more clinical studies, especially regarding long-term benzodiazepines use.
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Affiliation(s)
- Yiheng Chang
- Department of Neurology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Xueting Xie
- Department of Neurology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Yudan Liu
- Department of Neurology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Meichen Liu
- Department of Neurology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China.
| | - Huimin Zhang
- Department of Neurology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China.
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10
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Shupe EA, Kerman IA, Clinton SM. Premotor projections from the locus coeruleus and periaqueductal grey are altered in two rat models with inborn differences in emotional behavior. Exp Brain Res 2024; 242:857-867. [PMID: 38358538 PMCID: PMC10972925 DOI: 10.1007/s00221-024-06786-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 01/16/2024] [Indexed: 02/16/2024]
Abstract
Emotionally motivated behaviors rely on the coordinated activity of descending neural circuits involved in motor and autonomic functions. Using a pseudorabies (PRV) tract-tracing approach in typically behaving rats, our group previously identified descending premotor, presympathetic, and dual-labeled premotor-presympathetic populations throughout the central rostral-caudal axis. The premotor-presympathetic populations are thought to integrate somatomotor and sympathetic activity. To determine whether these circuits are dysregulated in subjects with altered emotional regulation, subsequent neuroanatomical analyses were performed in male subjects of two distinct genetic models relevant to clinical depression and anxiety: the Wistar Kyoto (WKY) rat and selectively bred Low Novelty Responder (bLR) rat. The present study explored alterations in premotor efferents from locus coeruleus (LC) and subdivisions of the periaqueductal grey (PAG), two areas involved in emotionally motivated behaviors. Compared to Sprague Dawley rats, WKY rats had significantly fewer premotor projections to hindlimb skeletal muscle from the LC and from the dorsomedial (DMPAG), lateral (LPAG), and ventrolateral (VLPAG) subdivisions of PAG. Relative to selectively bred High Novelty Responder (bHR) rats, bLR rats had significantly fewer premotor efferents from LC and dorsolateral PAG (DLPAG). Cumulatively, these results demonstrate that somatomotor circuitry in several brain areas involved in responses to stress and emotional stimuli are altered in rat models with depression-relevant phenotypes. These somatomotor circuit differences could be implicated in motor-related impairments in clinically depressed patients.
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Affiliation(s)
| | - Ilan A Kerman
- Behavioral Service Line, Veterans Affairs Minneapolis Health Care, Minneapolis, MN, USA
| | - Sarah M Clinton
- School of Neuroscience, Virginia Tech, Blacksburg, VA, 24061, USA.
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11
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Suprunowicz M, Tomaszek N, Urbaniak A, Zackiewicz K, Modzelewski S, Waszkiewicz N. Between Dysbiosis, Maternal Immune Activation and Autism: Is There a Common Pathway? Nutrients 2024; 16:549. [PMID: 38398873 PMCID: PMC10891846 DOI: 10.3390/nu16040549] [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: 01/18/2024] [Revised: 02/05/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024] Open
Abstract
Autism spectrum disorder (ASD) is a neuropsychiatric condition characterized by impaired social interactions and repetitive stereotyped behaviors. Growing evidence highlights an important role of the gut-brain-microbiome axis in the pathogenesis of ASD. Research indicates an abnormal composition of the gut microbiome and the potential involvement of bacterial molecules in neuroinflammation and brain development disruptions. Concurrently, attention is directed towards the role of short-chain fatty acids (SCFAs) and impaired intestinal tightness. This comprehensive review emphasizes the potential impact of maternal gut microbiota changes on the development of autism in children, especially considering maternal immune activation (MIA). The following paper evaluates the impact of the birth route on the colonization of the child with bacteria in the first weeks of life. Furthermore, it explores the role of pro-inflammatory cytokines, such as IL-6 and IL-17a and mother's obesity as potentially environmental factors of ASD. The purpose of this review is to advance our understanding of ASD pathogenesis, while also searching for the positive implications of the latest therapies, such as probiotics, prebiotics or fecal microbiota transplantation, targeting the gut microbiota and reducing inflammation. This review aims to provide valuable insights that could instruct future studies and treatments for individuals affected by ASD.
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Affiliation(s)
| | | | | | | | - Stefan Modzelewski
- Department of Psychiatry, Medical University of Bialystok, pl. Wołodyjowskiego 2, 15-272 Białystok, Poland; (M.S.); (N.T.); (A.U.); (K.Z.); (N.W.)
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Pallanti S, Zohar J, Kasper S, Möller HJ, Hollander E. Revisiting benzodiazepines (GABA Enhancers):A transdiagnostic and precision medicine approach. J Psychiatr Res 2024; 170:65-72. [PMID: 38103451 DOI: 10.1016/j.jpsychires.2023.11.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/17/2023] [Accepted: 11/24/2023] [Indexed: 12/19/2023]
Abstract
Since the mid 1980's, there has been an increased focus on the side effects of benzodiazepines (GABA enhancers), and as a result there has been a decrease in their use. We have systematically reviewed recent studies of GABA enhancers in psychiatry, and highlight evidence of their utility which may impact their negative conceptualization in clinical practice. We propose a new perspective on the appropriate use of these medications and describeclinical reasoning underpinning the use of benzodiazepine (GABA enhancers) based on their effect on specific receptors. A translational approach, involving a more comprehensive characterization of GABA receptors and their neuroscience-based mechanisms allows for a more precise use of this medication class. By adopting a precision person-centered approach, instead of a categorical approach, supports the prescribing of GABA enhancers when a cross-cutting transdiagnostic assessment shows anxiety symptoms associated with clinical impairment.
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Affiliation(s)
- Stefano Pallanti
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Bronx, USA; Institute of Neuroscience, Florence, Italy.
| | | | - Siegfried Kasper
- Center for Brain Research, Department of Molecular Neuroscience, Medical University of Vienna, Vienna, Austria
| | - Hans-Jürgen Möller
- Department of Psychiatry and Psychotherapy, University of München, Munich, Germany
| | - Eric Hollander
- Autism and Obsessive-Compulsive Spectrum Program, Psychiatric Research Institute at Montefiore-Einstein, Albert Einstein College of Medicine, USA
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13
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Hu M, Cai JY, He Y, Chen K, Hao F, Kang JS, Pan Y, Tie L, Li XJ. Protective effects of curcumin on desipramine-induced islet β-cell damage via AKAP150/PKA/PP2B complex. Acta Pharmacol Sin 2024; 45:327-338. [PMID: 37845344 PMCID: PMC10789796 DOI: 10.1038/s41401-023-01176-6] [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: 10/13/2022] [Accepted: 09/23/2023] [Indexed: 10/18/2023] Open
Abstract
Tricyclic antidepressants (TCAs) are widely used to treat depression and anxiety-related mood disorders. But evidence shows that TCAs elevate blood glucose levels and inhibit insulin secretion, suggesting that TCAs are a risk factor, particularly for individuals with diabetes. Curcumin is a bioactive molecule from the rhizome of the Curcuma longa plant, which has shown both antidepressant and anti-diabetic activities. In the present study, we investigated the protective effect of curcumin against desipramine-induced apoptosis in β cells and the underlying molecular mechanisms. In the mouse forced swimming test (FST), we found that lower doses of desipramine (5 and 10 mg/kg) or curcumin (2.5 mg/kg) alone did not affect the immobility time, whereas combined treatment with curcumin (2.5 mg/kg) and desipramine (5, 10 mg/kg) significantly decreased the immobility time. Furthermore, desipramine dose-dependently inhibited insulin secretion and elevated blood glucose levels, whereas the combined treatment normalized insulin secretion and blood glucose levels. In RIN-m5F pancreatic β-cells, desipramine (10 μM) significantly reduced the cell viability, whereas desipramine combined with curcumin dose-dependently prevented the desipramine-induced impairment in glucose-induced insulin release, most effectively with curcumin (1 and 10 μM). We demonstrated that desipramine treatment promoted the cleavage and activation of Caspase 3 in RIN-m5F cells. Curcumin treatment inhibited desipramine-induced apoptosis, increased mitochondrial membrane potential and Bcl-2/Bax ratio. Desipramine increased the generation of reactive oxygen species, which was reversed by curcumin treatment. Curcumin also inhibited the translocation of forkhead box protein O1 (FOXO1) from the cytoplasm to the nucleus and suppressed the binding of A-kinase anchor protein 150 (AKAP150) to protein phosphatase 2B (PP2B, known as calcineurin) that was induced by desipramine. These results suggest that curcumin protects RIN-m5F pancreatic β-cells against desipramine-induced apoptosis by inhibiting the phosphoinositide 3-kinase/AKT/FOXO1 pathway and the AKAP150/PKA/PP2B interaction. This study suggests that curcumin may have therapeutic potential as an adjunct to antidepressant treatment.
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Affiliation(s)
- Min Hu
- Department of Pharmacology, School of Basic Medical Sciences, Peking University & Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing, 100191, China
| | - Jia-Ying Cai
- Department of Pharmacology, School of Basic Medical Sciences, Peking University & Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing, 100191, China
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Yao He
- Department of Pharmacology, School of Basic Medical Sciences, Peking University & Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing, 100191, China
| | - Kui Chen
- Department of Pharmacology, School of Basic Medical Sciences, Peking University & Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing, 100191, China
| | - Feng Hao
- Department of Pharmacology, School of Basic Medical Sciences, Peking University & Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing, 100191, China
| | - Jin-Sen Kang
- Department of Pharmacology, School of Basic Medical Sciences, Peking University & Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing, 100191, China
| | - Yan Pan
- Department of Pharmacology, School of Basic Medical Sciences, Peking University & Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing, 100191, China
| | - Lu Tie
- Department of Pharmacology, School of Basic Medical Sciences, Peking University & Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing, 100191, China.
| | - Xue-Jun Li
- Department of Pharmacology, School of Basic Medical Sciences, Peking University & Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing, 100191, China.
- Department of Pharmacology, School of Pharmacy, Shihezi University, Shihezi, 832002, China.
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14
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Cao Z, Chen H, Zhou C, Gong M, Li Y, Shao Y, Wu Y, Bao D. Exogenous γ-Aminobutyric Acid (GABA) Enhanced Response to Abiotic Stress in Hypsizygus marmoreus by Improving Mycelial Growth and Antioxidant Capacity. Metabolites 2024; 14:94. [PMID: 38392986 PMCID: PMC10890280 DOI: 10.3390/metabo14020094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/19/2024] [Accepted: 01/21/2024] [Indexed: 02/25/2024] Open
Abstract
γ-Aminobutyric (GABA) acid is a nutrient and signaling molecule existing in many plants, participating in the regulation of metabolism and various physiological activities. Two strains of Hypsizygus marmoreus (a white variety and a brown variety) were investigated to study the impact of exogenous GABA on mycelial growth and the response to stress. Mycelial growth, microscopic morphology, antioxidant profile, and gad2 expression in H. marmoreu were investigated under salt, dehydration, or cold stress. The results indicated that 5 mM GABA stimulated mycelial growth under standard cultivation conditions, whereas GABA addition over 10 mM hindered the growth. Under salt, dehydration, or cold stress, treatment with 5 mM GABA significantly enhanced the mycelial growth rate and density of both H. marmoreus strains by promoting front hyphae branching. Meanwhile, the activities of key antioxidant enzymes such as peroxidase (POD), catalase (CAT), and ascorbate peroxidase (APX) were enhanced by GABA, thereby augmenting the defensive network against abiotic stress. Additionally, gad2 expression and GABA concentration were increased under abiotic stresses as a resistance regulation response. The exogenous addition of GABA strengthened the upregulation of gad2 expression and GABA production. These findings indicated that exogenously adding low concentrations of GABA effectively enhanced the mycelial growth and antioxidant profile of H. marmoreus, thereby improving its resistance against stresses.
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Affiliation(s)
- Zhi Cao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
- National Engineering Research Center of Edible Fungi, Key Laboratory of Applied Mycological Resources and Utilization of Ministry of Agriculture, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Hongyu Chen
- National Engineering Research Center of Edible Fungi, Key Laboratory of Applied Mycological Resources and Utilization of Ministry of Agriculture, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Chenli Zhou
- National Engineering Research Center of Edible Fungi, Key Laboratory of Applied Mycological Resources and Utilization of Ministry of Agriculture, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Ming Gong
- National Engineering Research Center of Edible Fungi, Key Laboratory of Applied Mycological Resources and Utilization of Ministry of Agriculture, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Yan Li
- National Engineering Research Center of Edible Fungi, Key Laboratory of Applied Mycological Resources and Utilization of Ministry of Agriculture, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Youran Shao
- National Engineering Research Center of Edible Fungi, Key Laboratory of Applied Mycological Resources and Utilization of Ministry of Agriculture, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Yingying Wu
- National Engineering Research Center of Edible Fungi, Key Laboratory of Applied Mycological Resources and Utilization of Ministry of Agriculture, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Dapeng Bao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
- National Engineering Research Center of Edible Fungi, Key Laboratory of Applied Mycological Resources and Utilization of Ministry of Agriculture, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
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15
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Deng S, Guo A, Huang Z, Guan K, Zhu Y, Chan C, Gui J, Song C, Li X. The exploration of neuroinflammatory mechanism by which CRHR2 deficiency induced anxiety disorder. Prog Neuropsychopharmacol Biol Psychiatry 2024; 128:110844. [PMID: 37640149 DOI: 10.1016/j.pnpbp.2023.110844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/07/2023] [Accepted: 08/19/2023] [Indexed: 08/31/2023]
Abstract
Inflammation stimulates the hypothalamic-pituitary adrenal (HPA) axis and triggers glial neuroinflammatory phenotypes, which reduces monoamine neurotransmitters by activating indoleamine 2,3-dioxygenase enzyme. These changes can induce psychiatric diseases, including anxiety. Corticotropin releasing hormone receptor 2 (CRHR2) in the HPA axis is involved in the etiology of anxiety. Omega(n)-3 polyunsaturated fatty acids (PUFAs) can attenuate anxiety through anti-inflammation and HPA axis modulation. However, the underlying molecular mechanism by CRHR2 modulates anxiety and its correlation with neuroinflammation remain unclear. Here, we first constructed a crhr2 zebrafish mutant line, and evaluated anxiety-like behaviors, gene expression associated with the HPA axis, neuroinflammatory response, neurotransmitters, and PUFAs profile in crhr2+/+ and crhr2-/- zebrafish. The crhr2 deficiency decreased cortisol levels and up-regulated crhr1 and down-regulated crhb, crhbp, ucn3l and proopiomelanocortin a (pomc a) in zebrafish. Interestingly, a significant increase in the neuroinflammatory markers, translocator protein (TSPO) and the activation of microglia M1 phenotype (CD11b) were found in crhr2-/- zebrafish. As a consequence, the expression of granulocyte-macrophage colony-stimulating factor, pro-inflammatory cytokines vascular endothelial growth factor, and astrocyte A1 phenotype c3 were up-regulated. While microglia anti-inflammatory phenotype (CD206), central anti-inflammatory cytokine interleukin-4, arginase-1, and transforming growth factor-β were downregulated. In parallel, crhr2-deficient zebrafish showed an upregulation of vdac1 protein, a TSPO ligand, and its downstream caspase-3. Furthermore, 5-HT/5-HIAA ratio was decreased and n-3 PUFAs deficiency was identified in crhr2-/- zebrafish. In conclusion, anxiety-like behavior displayed by crhr2-deficient zebrafish may be caused by the HPA axis dysfunction and enhanced neuroinflammation, which resulted in n-3 PUFAs and monoamine neurotransmitter reductions.
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Affiliation(s)
- Shuyi Deng
- Research Institute for Marine Drugs and Nutrition, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China
| | - Anqi Guo
- The Affiliated Kangning Hospital of Wenzhou Medical University, Zhejiang Provincial Clinical Research Center for Mental Disorders, Wenzhou, Zhejiang 325000, China
| | - Zhengwei Huang
- The Affiliated Kangning Hospital of Wenzhou Medical University, Zhejiang Provincial Clinical Research Center for Mental Disorders, Wenzhou, Zhejiang 325000, China
| | - Kaiyu Guan
- Wenzhou Seventh People's Hospital, Wenzhou, Zhejiang 325000, China
| | - Ya Zhu
- The Affiliated Kangning Hospital of Wenzhou Medical University, Zhejiang Provincial Clinical Research Center for Mental Disorders, Wenzhou, Zhejiang 325000, China; State Key Laboratory of Freshwater Ecology and Biotechnology, Hubei Hongshan Laboratory, The Innovation Academy of Seed Design, University of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
| | - Cheekai Chan
- College of Science and Technology, Wenzhou-Kean University, Zhejiang 325000, China
| | - Jianfang Gui
- State Key Laboratory of Freshwater Ecology and Biotechnology, Hubei Hongshan Laboratory, The Innovation Academy of Seed Design, University of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
| | - Cai Song
- Research Institute for Marine Drugs and Nutrition, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Xi Li
- The Affiliated Kangning Hospital of Wenzhou Medical University, Zhejiang Provincial Clinical Research Center for Mental Disorders, Wenzhou, Zhejiang 325000, China.
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16
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Reyna NC, Clark BJ, Hamilton DA, Pentkowski NS. Anxiety and Alzheimer's disease pathogenesis: focus on 5-HT and CRF systems in 3xTg-AD and TgF344-AD animal models. Front Aging Neurosci 2023; 15:1251075. [PMID: 38076543 PMCID: PMC10699143 DOI: 10.3389/fnagi.2023.1251075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 10/25/2023] [Indexed: 02/12/2024] Open
Abstract
Dementia remains one of the leading causes of morbidity and mortality in older adults. Alzheimer's disease (AD) is the most common type of dementia, affecting over 55 million people worldwide. AD is characterized by distinct neurobiological changes, including amyloid-beta protein deposits and tau neurofibrillary tangles, which cause cognitive decline and subsequent behavioral changes, such as distress, insomnia, depression, and anxiety. Recent literature suggests a strong connection between stress systems and AD progression. This presents a promising direction for future AD research. In this review, two systems involved in regulating stress and AD pathogenesis will be highlighted: serotonin (5-HT) and corticotropin releasing factor (CRF). Throughout the review, we summarize critical findings in the field while discussing common limitations with two animal models (3xTg-AD and TgF344-AD), novel pharmacotherapies, and potential early-intervention treatment options. We conclude by highlighting promising future pharmacotherapies and translational animal models of AD and anxiety.
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Affiliation(s)
- Nicole C. Reyna
- Department of Psychology, University of New Mexico, Albuquerque, NM, United States
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17
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Nie D, Li C, Zhang Y. PitNETs and the gut microbiota: potential connections, future directions. Front Endocrinol (Lausanne) 2023; 14:1255911. [PMID: 38027221 PMCID: PMC10657991 DOI: 10.3389/fendo.2023.1255911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 10/20/2023] [Indexed: 12/01/2023] Open
Abstract
The role of the gut microbiome has been widely discussed in numerous works of literature. The biggest concern is the association of the gut microbiome with the central nervous system through the microbiome-brain-gut axis in the past ten years. As more and more research has been done on the relationship between the disease of the central nervous system and gut microbes. This fact is being revealed that gut microbes seem to play an important role from the onset and progression of the disease to clinical symptoms, and new treatments. As a special tumor of the central nervous system, pituitary neuroendocrine tumors (PitNETs)are closely related to metabolism, endocrinology, and immunity. These factors are the vectors through which intestinal microbes interact with the central nervous system. However, little is known about the effects of gut microbes on the PitNET. In this review, the relationship of gut microbiota in PitNETs is introduced, the potential effects of the gut-brain axis in this relationship are analyzed, and future research directions are presented.
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Affiliation(s)
| | | | - Yazhuo Zhang
- Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
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18
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Castillo-Navarrete JL, Bustos C, Guzman-Castillo A, Vicente B. Increased academic stress is associated with decreased plasma BDNF in Chilean college students. PeerJ 2023; 11:e16357. [PMID: 37941931 PMCID: PMC10629390 DOI: 10.7717/peerj.16357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 10/05/2023] [Indexed: 11/10/2023] Open
Abstract
Introduction Academic stress (AS) is a prevalent challenge faced by university students, potentially affecting molecular indicators such as brain-derived neurotrophic factor (BDNF) and global DNA methylation (G-DNA-M). These indicators could illuminate the physiological ramifications of academic stress. Study Design and Methods This research followed a quantitative, non-experimental, longitudinal panel design spanning two academic semesters, observing phenomena in their natural context. Students from the Medical Technology program at Universidad de Concepción, Chile were involved, with assessments at the beginning and during heightened academic stress periods. Sample Of the total participants, 63.0% were females, with an average age of 21.14 years at baseline, and 36.92% were males, averaging 21.36 years. By the study's conclusion, female participants averaged 21.95 years, and males 22.13 years. Results Significant differences were observed between initial and final assessments for the SISCO-II Inventory of Academic Stress and Beck Depression Inventory-II, notably in stressor scores, and physical, and psychological reactions. Gender differences emerged in the final physical and psychological reactions. No significant changes were detected between the two assessments in plasma BDNF or G-DNA-M values. A refined predictive model showcased that, on average, there was a 3.56% decrease in females' plasma BDNF at the final assessment and a 17.14% decrease in males. In the sample, the G-DNA-M percentage at the final assessment increased by 15.06% from the baseline for females and 18.96% for males. Conclusions The study underscores the physiological impact of academic stress on university students, evidenced by changes in markers like BDNF and G-DNA-M. These findings offer an in-depth understanding of the intricate mechanisms regulating academic stress responses and highlight the need for interventions tailored to mitigate its physiological and psychological effects.
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Affiliation(s)
- Juan-Luis Castillo-Navarrete
- Departamento Tecnología Médica, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- PhD Programme in Mental Health, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM, Universidad de Concepción, Concepción, Chile
| | - Claudio Bustos
- PhD Programme in Mental Health, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM, Universidad de Concepción, Concepción, Chile
- Departamento de Psicología, Facultad de Ciencias Sociales, Universidad de Concepción, Chile, Chile
| | - Alejandra Guzman-Castillo
- PhD Programme in Mental Health, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM, Universidad de Concepción, Concepción, Chile
- Departamento de Ciencias Básicas y Morfología, Facultad de Medicina, Universidad Católica de la Santísima Concepción, Concepción, Chile
| | - Benjamin Vicente
- PhD Programme in Mental Health, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM, Universidad de Concepción, Concepción, Chile
- Departamento de Psiquiatría y Salud Mental, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
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19
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Rus CP, de Vries BEK, de Vries IEJ, Nutma I, Kooij JJS. Treatment of 95 post-Covid patients with SSRIs. Sci Rep 2023; 13:18599. [PMID: 37919310 PMCID: PMC10622561 DOI: 10.1038/s41598-023-45072-9] [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: 07/09/2023] [Accepted: 10/15/2023] [Indexed: 11/04/2023] Open
Abstract
After Covid-19 infection, 12.5% develops post-Covid-syndrome (PCS). Symptoms indicate numerous affected organ systems. After a year, chronic fatigue, dysautonomia and neurological and neuropsychiatric complaints predominate. In this study, 95 PCS patients were treated with selective serotonin reuptake inhibitors (SSRIs). This study used an exploratory questionnaire and found that two-thirds of patients had a reasonably good to strong response on SSRIs, over a quarter of patients had moderate response, while 10% reported no response. Overall, patients experienced substantial improved well-being. Brainfog and sensory overload decreased most, followed by chronic fatigue and dysautonomia. Outcomes were measured with three different measures that correlated strongly with each other. The response to SSRIs in PCS conditions was explained by seven possible neurobiological mechanisms based on recent literature on PCS integrated with already existing knowledge. Important for understanding these mechanisms is the underlying biochemical interaction between various neurotransmitter systems and parts of the immune system, and their dysregulation in PCS. The main link appears to be with the metabolic kynurenine pathway (KP) which interacts extensively with the immune system. The KP uses the same precursor as serotonin: tryptophan. The KP is overactive in PCS which maintains inflammation and which causes a lack of tryptophan. Finally, potential avenues for future research to advance this line of clinical research are discussed.
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Affiliation(s)
- Carla P Rus
- Independent Researcher, The Hague, The Netherlands.
| | | | - Ingmar E J de Vries
- Donders Institute, Radboud University, 6525 EN, Nijmegen, The Netherlands
- Centre for Mind/Brain Sciences (CIMeC), University of Trento, 38068, Rovereto, Italy
| | | | - J J Sandra Kooij
- Department of Psychiatry, Amsterdam UMC/VUMC, 1081 HJ, Amsterdam, The Netherlands
- PsyQ, 2593 HR, The Hague, The Netherlands
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20
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Mason NL, Szabo A, Kuypers KPC, Mallaroni PA, de la Torre Fornell R, Reckweg JT, Tse DHY, Hutten NRPW, Feilding A, Ramaekers JG. Psilocybin induces acute and persisting alterations in immune status in healthy volunteers: An experimental, placebo-controlled study. Brain Behav Immun 2023; 114:299-310. [PMID: 37689275 DOI: 10.1016/j.bbi.2023.09.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 09/01/2023] [Accepted: 09/06/2023] [Indexed: 09/11/2023] Open
Abstract
Patients characterized by stress-related disorders such as depression display elevated circulating concentrations of pro-inflammatory cytokines and a hyperactive HPA axis. Psychedelics are demonstrating promising results in treatment of such disorders, however the mechanisms of their therapeutic effects are still unknown. To date the evidence of acute and persisting effects of psychedelics on immune functioning, HPA axis activity in response to stress, and associated psychological outcomes is preliminary. To address this, we conducted a placebo-controlled, parallel group design comprising of 60 healthy participants who received either placebo (n = 30) or 0.17 mg/kg psilocybin (n = 30). Blood samples were taken to assess acute and persisting (7 day) changes in immune status. Seven days' post-administration, participants in each treatment group were further subdivided: 15 underwent a stress induction protocol, and 15 underwent a control protocol. Ultra-high field (7-Tesla) magnetic resonance spectroscopy was used to assess whether acute changes in glutamate or glial activity were associated with changes in immune functioning. Finally, questionnaires assessed persisting self-report changes in mood and social behavior. Psilocybin immediately reduced concentrations of the pro-inflammatory cytokine tumor necrosis factor-α (TNF-α), while other inflammatory markers (interleukin (IL)- 1β, IL-6, and C-reactive protein (CRP)) remained unchanged. Seven days later, TNF-α concentrations returned to baseline, while IL-6 and CRP concentrations were persistently reduced in the psilocybin group. Changes in the immune profile were related to acute neurometabolic activity as acute reductions in TNF-α were linked to lower concentrations of glutamate in the hippocampus. Additionally, the more of a reduction in IL-6 and CRP seven days after psilocybin, the more persisting positive mood and social effects participants reported. Regarding the stress response, after a psychosocial stressor, psilocybin did not significantly alter the stress response. Results are discussed in regards to the psychological and therapeutic effects of psilocybin demonstrated in ongoing patient trials.
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Affiliation(s)
- N L Mason
- Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands.
| | - A Szabo
- Norwegian Centre for Mental Disorders Research (NORMENT), Institute of Clinical Medicine, University of Oslo, and Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway; KG Jebsen Centre for Neurodevelopmental Disorders, University of Oslo, Oslo, Norway
| | - K P C Kuypers
- Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - P A Mallaroni
- Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - R de la Torre Fornell
- Integrative Pharmacology and Systems Neurosciences Research Group. Neurosciences Program. Hospital del Mar Medical Research Institute. Department of Medicine and Life Sciences (MELIS), Universitat Pompeu Fabra. Dr. Aiguader 88, 08003 Barcelona, Spain
| | - J T Reckweg
- Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - D H Y Tse
- Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - N R P W Hutten
- Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - A Feilding
- The Beckley Foundation, Beckley Park, Oxford, OX3 9SY, United Kingdom
| | - J G Ramaekers
- Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
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21
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Teckchandani TA, Neary JP, Andrews KL, Maguire KQ, Jamshidi L, Nisbet J, Shields RE, Afifi TO, Sauer-Zavala S, Lix LM, Krakauer RL, Asmundson GJG, Krätzig GP, Carleton RN. Cardioautonomic lability assessed by heart rate variability changes in Royal Canadian Mounted Police cadets during the cadet training program. Front Psychol 2023; 14:1144783. [PMID: 37829079 PMCID: PMC10565660 DOI: 10.3389/fpsyg.2023.1144783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 09/14/2023] [Indexed: 10/14/2023] Open
Abstract
Objective The current study examined variations in cardioautonomic lability during the Royal Canadian Mounted Police (RCMP) Cadet Training Program (CTP) between cadets starting their training who did or did not screen positive for one or more mental health disorders (i.e., posttraumatic stress disorder [PTSD], major depressive disorder [MDD], social anxiety disorder [SAD], generalized anxiety disorder [GAD], panic disorder [PD], alcohol use disorder [AUD]). Methods Electrocardiogram (ECG) signals integrated into Hexoskin garments were used to record ECG and heart rate Over the 26-week CTP. There were 31 heart rate variability (HRV) parameters calculated using Kubios Premium HRV analysis software. Mann-Whitney U-tests were used to perform groupwise comparisons of participant raw values and HRV during the CTP. Results A total of 157 cadets (79% male) were screened for any mental disorder using self-report surveys and then grouped by positive and negative screening. Analyses indicated a statistically significant (p < 0.05) decrease in low frequency (LF): High Frequency (HF) variability during CTP, but only for cadets who endorsed clinically significant anxiety symptoms on the GAD-7 at the start of their training. There were no other statistically significant groupwise differences. Conclusion The results indicate the participants have excellent cardiac health overall and suggest potentially important differences between groups, such that cadets who endorsed clinically significant anxiety symptoms on the GAD-7 showed less variability in the LF:HF ratio over the course of the CTP. The relatively lower variability suggests decreased parasympathetic tone in those without clinically significant anxiety symptoms. The results also have important implications for future investigations of cardioautonomic dysfunction and chronic hypothalamic pituitary adrenal (HPA) axis deviations in policing populations with anxiety disorders; specifically, cardioautonomic inflexibility related to cardiovascular morbidity and mortality. In any case, the current results provide an important baseline for future cardiac research with cadets and serving officers.
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Affiliation(s)
- Taylor A. Teckchandani
- Canadian Institute for Public Safety Research and Treatment-Institut Canadien de Recherche et de Traitement en Sécurité Publique (CIPSRT-ICRTSP), University of Regina, Regina, SK, Canada
| | - J. Patrick Neary
- Faculty of Kinesiology & Health Studies, University of Regina, Regina, SK, Canada
| | - Katie L. Andrews
- Canadian Institute for Public Safety Research and Treatment-Institut Canadien de Recherche et de Traitement en Sécurité Publique (CIPSRT-ICRTSP), University of Regina, Regina, SK, Canada
| | - Kirby Q. Maguire
- Canadian Institute for Public Safety Research and Treatment-Institut Canadien de Recherche et de Traitement en Sécurité Publique (CIPSRT-ICRTSP), University of Regina, Regina, SK, Canada
| | - Laleh Jamshidi
- Canadian Institute for Public Safety Research and Treatment-Institut Canadien de Recherche et de Traitement en Sécurité Publique (CIPSRT-ICRTSP), University of Regina, Regina, SK, Canada
| | - Jolan Nisbet
- Canadian Institute for Public Safety Research and Treatment-Institut Canadien de Recherche et de Traitement en Sécurité Publique (CIPSRT-ICRTSP), University of Regina, Regina, SK, Canada
| | - Robyn E. Shields
- Canadian Institute for Public Safety Research and Treatment-Institut Canadien de Recherche et de Traitement en Sécurité Publique (CIPSRT-ICRTSP), University of Regina, Regina, SK, Canada
- Anxiety and Illness Behaviours Lab, Department of Psychology, University of Regina, Regina, SK, Canada
| | - Tracie O. Afifi
- Department of Community Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | | | - Lisa M. Lix
- Department of Community Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Rachel L. Krakauer
- Anxiety and Illness Behaviours Lab, Department of Psychology, University of Regina, Regina, SK, Canada
| | - Gordon J. G. Asmundson
- Anxiety and Illness Behaviours Lab, Department of Psychology, University of Regina, Regina, SK, Canada
| | | | - R. Nicholas Carleton
- Canadian Institute for Public Safety Research and Treatment-Institut Canadien de Recherche et de Traitement en Sécurité Publique (CIPSRT-ICRTSP), University of Regina, Regina, SK, Canada
- Anxiety and Illness Behaviours Lab, Department of Psychology, University of Regina, Regina, SK, Canada
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22
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Gómez Afonso A, Fernandez-Lazaro D, Adams DP, Monserdà-Vilaró A, Fernandez-Lazaro CI. Effects of Withania somnifera (Ashwagandha) on Hematological and Biochemical Markers, Hormonal Behavior, and Oxidant Response in Healthy Adults: A Systematic Review. Curr Nutr Rep 2023; 12:465-477. [PMID: 37428341 PMCID: PMC10444651 DOI: 10.1007/s13668-023-00481-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/30/2023] [Indexed: 07/11/2023]
Abstract
PURPOSE OF REVIEW: Withania somnifera (L.) Dunal (Ws) is a common herb plant that has been used for centuries to treat a wide range of conditions, particularly certain chronic diseases due to its antidiabetic, cardioprotective, antistress, and chondroprotective effects, among many others. No conclusive evidence, however, exists about the potential health effects of Ws in adults without chronic conditions. We aimed to evaluate the current evidence on the health benefits of Ws supplementation in healthy adults. RECENT FINDINGS: Based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, we systematically reviewed studies indexed in Web of Science, Scopus, and PubMed to assess the effects of Ws on hematological and biochemical markers, hormonal behavior, and oxidant response in healthy adults. Original articles published up to March 5, 2022, with a controlled trial design or pre-post intervention design, in which supplementation of Ws was compared to a control group or data prior to intervention were included. Among 2,421 records identified in the search, 10 studies met the inclusion criteria. Overall, most of the studies reported beneficial effects of the Ws supplementation, and no serious adverse events were reported. Participants supplemented with Ws displayed reduced levels of oxidative stress and inflammation, and counterbalanced hormone levels. No evidence of the beneficial effects of Ws supplementation on hematological markers was reported. Ws supplementation appears to be safe, may regulate hormone levels, and has potent anti-inflammatory and antioxidant effects. However, further studies are needed to elucidate the relevance of its application.
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Affiliation(s)
- Adrián Gómez Afonso
- Faculty of Physical Activity Sport Sciences, European University of Madrid, 28670, Madrid, Spain
| | - Diego Fernandez-Lazaro
- Departamento de Biología Celular, Genética, Histología y Farmacología, Facultad de Ciencias de la Salud, Campus de Soria, Universidad de Valladolid, Soria, 42004, Spain.
- Grupo de Investigación Reconocido "Neurobiología", Facultad de Medicina, Universidad de Valladolid, Valladolid, 47005, Spain.
| | - David P Adams
- University of Galway, University Road, Galway, H91 TK33, Ireland
| | - Aniol Monserdà-Vilaró
- Faculty of Physical Activity Sport Sciences, European University of Madrid, 28670, Madrid, Spain
| | - Cesar I Fernandez-Lazaro
- Department of Preventive Medicine and Public Health, School of Medicine, University of Navarra, 31008, Pamplona, Spain.
- IdiSNA, Navarra Institute for Health Research, 31008, Pamplona, Spain.
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23
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Cui L, Zhang Q, Zhang Y, Li T, Li M, Yuan J, Wu Z, Zhang Y, Kong H, Qu H, Zhao Y. Anxiolytic effects of Chrysanthemum morifolium Ramat Carbonisata-based carbon dots in mCPP-induced anxiety-like behavior in mice: a nature-inspired approach. Front Mol Biosci 2023; 10:1222415. [PMID: 37520324 PMCID: PMC10373738 DOI: 10.3389/fmolb.2023.1222415] [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: 05/14/2023] [Accepted: 06/26/2023] [Indexed: 08/01/2023] Open
Abstract
Introduction: Anxiety disorders have emerged as a predominant health concern, yet existing pharmacological treatments for anxiety still present various challenges. Chrysanthemum morifolium Ramat Carbonisata (CMRC) has been utilized in China for approximately 400 years as a therapeutic intervention for anxiety disorders. In this study, a novel type of carbon dots derived from the decoction of Chrysanthemum morifolium Ramat Carbonisata (CMRC-CDs) was identified and isolated, and their morphological structure and functional groups were characterized. Furthermore, the effects of CMRC-CDs on m-chlorophenylpiperazine (mCPP)-induced anxiety-like behaviour in mice were examined and quantified. In order to investigate the potential mechanisms of their anxiolytic effects, concentrations of hypothalamic-pituitary-adrenal (HPA) axis hormones, amino acid neurotransmitters, and monoamine neurotransmitters were measured. Methods: In this study, we synthesized CMRC-CDs and evaluated their potential anti-anxiety effects in a controlled experiment involving 48 male ICR mice. The mice were randomly divided into six groups, treated with CMRC-CDs at different doses for 14 days, and subjected to Open-Field (OF) and Elevated Plus Maze (EPM) tests. Post-behavioral evaluations, blood samples and brain tissues were collected for neurotransmitter and Hypothalamic-Pituitary-Adrenal (HPA) axis hormone quantification via ELISA. Additionally, cytotoxicity of CMRC-CDs was assessed using a Cell Counting Kit-8 (CCK-8) assay on RAW 264.7 cells. Results and Discussion: CMRC-CDs were spherical and homogeneously dispersed, with diameters ranging from 1.4 to 4.0 nm and an abundance of chemical groups on their surface. In the open-field (OF) test, mice pre-treated with CMRC-CDs demonstrated an increased proportion of time spent in the central area and a higher frequency of entries into the central area. In the elevated plus maze (EPM) test, mice pre-treated with CMRC-CDs exhibited a greater number of entries into the open arm and an extended duration spent in the open arm. CMRC-CDs were observed to decrease serum concentrations of corticotropin-releasing hormone (CRH), adrenocorticotropic hormone (ACTH), and corticosterone (CORT). Furthermore, CMRC-CDs were found to increase γ-aminobutyric acid (GABA) and 5-hydroxytryptamine (5-HT) levels, while concurrently reducing glutamic acid (Glu) concentrations in brain tissue. CMRC-CDs demonstrated anxiolytic effects, which may be attributed to their modulation of hormones and neurotransmitters. This finding suggests the potential therapeutic value of CMRC-CDs in the clinical treatment of anxiety disorders.
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Affiliation(s)
- Luming Cui
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Qian Zhang
- Qingdao Zhonghengneng Environmental Science Engineering Research Institute Co., Ltd, Qingdao, China
| | - Yifan Zhang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Tingjie Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Menghan Li
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jinye Yuan
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Zhiyi Wu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yue Zhang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Hui Kong
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Huihua Qu
- Center of Scientific Experiment, Beijing University of Chinese Medicine, Beijing, China
| | - Yan Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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24
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Wijenayake S, Martz J, Lapp HE, Storm JA, Champagne FA, Kentner AC. The contributions of parental lactation on offspring development: It's not udder nonsense! Horm Behav 2023; 153:105375. [PMID: 37269591 DOI: 10.1016/j.yhbeh.2023.105375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 05/11/2023] [Accepted: 05/13/2023] [Indexed: 06/05/2023]
Abstract
The Developmental Origins of Health and Disease (DOHaD) hypothesis describes how maternal stress exposures experienced during critical periods of perinatal life are linked to altered developmental trajectories in offspring. Perinatal stress also induces changes in lactogenesis, milk volume, maternal care, and the nutritive and non-nutritive components of milk, affecting short and long-term developmental outcomes in offspring. For instance, selective early life stressors shape the contents of milk, including macro/micronutrients, immune components, microbiota, enzymes, hormones, milk-derived extracellular vesicles, and milk microRNAs. In this review, we highlight the contributions of parental lactation to offspring development by examining changes in the composition of breast milk in response to three well-characterized maternal stressors: nutritive stress, immune stress, and psychological stress. We discuss recent findings in human, animal, and in vitro models, their clinical relevance, study limitations, and potential therapeutic significance to improving human health and infant survival. We also discuss the benefits of enrichment methods and support tools that can be used to improve milk quality and volume as well as related developmental outcomes in offspring. Lastly, we use evidence-based primary literature to convey that even though select maternal stressors may modulate lactation biology (by influencing milk composition) depending on the severity and length of exposure, exclusive and/or prolonged milk feeding may attenuate the negative in utero effects of early life stressors and promote healthy developmental trajectories. Overall, scientific evidence supports lactation to be protective against nutritive and immune stressors, but the benefits of lactation in response to psychological stressors need further investigation.
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Affiliation(s)
- Sanoji Wijenayake
- Department of Biology, The University of Winnipeg, Winnipeg, Manitoba, Canada.
| | - Julia Martz
- School of Arts & Sciences, Health Psychology Program, Massachusetts College of Pharmacy and Health Sciences, Boston, MA, USA
| | - Hannah E Lapp
- Deparment of Psychology, University of Texas at Austin, Austin, TX, USA
| | - Jasmyne A Storm
- Department of Biology, The University of Winnipeg, Winnipeg, Manitoba, Canada
| | | | - Amanda C Kentner
- School of Arts & Sciences, Health Psychology Program, Massachusetts College of Pharmacy and Health Sciences, Boston, MA, USA.
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25
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Kumar Goothy SS, McKeown J. Anxiolytic effects of vestibular stimulation: an update. J Basic Clin Physiol Pharmacol 2023:jbcpp-2023-0022. [PMID: 37070257 DOI: 10.1515/jbcpp-2023-0022] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 03/11/2023] [Indexed: 04/19/2023]
Abstract
The vestibular system inhibits both HPA and SAM axis and contributes to the management of anxiety. Both direct and indirect pathways exist in the inhibition of the HPA and SAM axis. In this review article, the authors describe various pathways through which the vestibular system can regulate the HPA and SAM axis activity. Lastly, the authors highlight the need of starting translational research work in this field. Rocking is soothing and this is a universal fact that babies in the swing will calm down and sleep. These soothing effects of vestibular stimulation may be due to the inhibition of cortical and subcortical structures. Vestibular stimulation may be able to manage anxiety through its connections with multiple brain areas. There is a need to undertake translational research in this area to establish strong scientific evidence and recommend implementation of the vestibular stimulation in the management of anxiety.
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Affiliation(s)
- Sai Sailesh Kumar Goothy
- Department of Physiology, Sri Madhusudan Sai Institute of Medical Sciences and Research, Muddenahalli, Karnataka, India
| | - Jason McKeown
- Department of Psychology, Center for Brain and Cognition, UC San Diego, San Diego, USA
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26
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Truckenbrod LM, Cooper EM, Orsini CA. Cognitive mechanisms underlying decision making involving risk of explicit punishment in male and female rats. COGNITIVE, AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2023; 23:248-275. [PMID: 36539558 PMCID: PMC10065932 DOI: 10.3758/s13415-022-01052-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/29/2022] [Indexed: 12/24/2022]
Abstract
Individuals engage in the process of risk-based decision making on a daily basis to navigate various aspects of life. There are, however, individual differences in this form of decision making, with some individuals exhibiting preference for riskier choices (risk taking) and others exhibiting preference for safer choices (risk aversion). Recent work has shown that extremes in risk taking (e.g., excessive risk taking or risk aversion) are not only cognitive features of neuropsychiatric diseases, but may in fact predispose individuals to the development of such diseases. To better understand individual differences in risk taking, and thus the mechanisms by which they confer disease vulnerability, the current study investigated the cognitive contributions to risk taking in both males and females. Rats were first behaviorally characterized in a decision-making task involving risk of footshock punishment and then tested on a battery of cognitive behavioral assays. Individual variability in risk taking was compared with performance on these tasks. Consistent with prior work, females were more risk averse than males. With the exception of the Set-shifting Task, there were no sex differences in performance on other cognitive assays. There were, however, sex-dependent associations between risk taking and specific cognitive measures. Greater risk taking was associated with better cognitive flexibility in males whereas greater risk aversion was associated with better working memory in females. Collectively, these findings reveal that distinct cognitive mechanisms are associated with risk taking in males and females, which may account for sex differences in this form of decision making.
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Affiliation(s)
- Leah M Truckenbrod
- Institute for Neuroscience, The University of Texas at Austin, Austin, TX, USA
| | - Emily M Cooper
- Department of Psychology, The University of Texas at Austin, Austin, TX, USA
| | - Caitlin A Orsini
- Department of Psychology, The University of Texas at Austin, Austin, TX, USA.
- Department of Neurology, The University of Texas at Austin, Austin, TX, USA.
- Waggoner Center for Alcohol and Addiction Research, The University of Texas at Austin, 1601B Trinity Street, Austin, TX, 78712, USA.
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27
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Menon N, Wang C, Carr JA. Sub-chronic administration of fluoxetine does not alter prey-capture or predator avoidance behaviors in adult South African clawed frogs (Xenopus laevis). Behav Brain Res 2023; 442:114317. [PMID: 36709047 DOI: 10.1016/j.bbr.2023.114317] [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: 07/28/2022] [Revised: 12/23/2022] [Accepted: 01/24/2023] [Indexed: 01/27/2023]
Abstract
Animals will halt foraging efforts and engage defensive behaviors in response to predator cues. Some researchers have proposed that the switch from appetitive to avoidance behavior resembles anxiety, but most work on this has been performed in a limited number of animal models, primarily zebrafish and rodents. We used adult South African clawed frogs (Xenopus laevis) to determine if the canonical anxiolytic fluoxetine alters predator-induced changes in appetitive and avoidance behavior in a laboratory-based trade-off task that mimics foraging/predator avoidance tradeoffs in the wild. We hypothesized that sub-chronic fluoxetine treatment (20 d) would not affect baseline behavior but would reverse predator-induced changes in food intake, appetitive and avoidance behavior, and the abundance of anxiety related gene transcripts in the optic tectum, a brain area central to ecological decision making in frogs. We found that fluoxetine significantly reduced baseline locomotion compared to vehicle-treated animals. Fluoxetine had no effect on appetitive and avoidance behaviors that were sensitive to predator cues in this assay and did not alter any of the anxiety-related transcripts in the tectum. We conclude that while peripheral sub-chronic administration of fluoxetine significantly reduces locomotion, it does not modify predator-induced changes in approach and avoidance behaviors in this assay. Our findings are not consistent with visual predator cues causing state anxiety in adult frogs.
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Affiliation(s)
- Nikhil Menon
- Texas Tech University, Department of Biological Sciences, 2901 Main St, Lubbock, TX 79409, USA
| | - Caoyuanhui Wang
- Texas Tech University, Department of Biological Sciences, 2901 Main St, Lubbock, TX 79409, USA
| | - James A Carr
- Texas Tech University, Department of Biological Sciences, 2901 Main St, Lubbock, TX 79409, USA.
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28
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Koutentaki E, Basta M, Antypa D, Zaganas I, Panagiotakis S, Simos P, Vgontzas AN. IL-6 Enhances the Negative Impact of Cortisol on Cognition among Community-Dwelling Older People without Dementia. Healthcare (Basel) 2023; 11:healthcare11070951. [PMID: 37046878 PMCID: PMC10094120 DOI: 10.3390/healthcare11070951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/19/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
There is growing evidence that high basal cortisol levels and systemic inflammation independently contribute to cognitive decline among older people without dementia. The present cross-sectional study examined (a) the potential synergistic effect of cortisol levels and systemic inflammation on executive function and (b) whether this effect is more prominent among older people with mild cognitive impairment (MCI). A sub-sample of 99 patients with MCI and 84 older people without cognitive impairment (CNI) (aged 73.8 ± 7.0 years) were recruited from a large population-based cohort in Crete, Greece, and underwent comprehensive neuropsychiatric and neuropsychological evaluation and a single morning measurement of cortisol and IL-6 plasma levels. Using moderated regression models, we found that the relation between cortisol and executive function in the total sample was moderated by IL-6 levels (b = −0.994, p = 0.044) and diagnostic group separately (b = −0.632, p < 0.001). Moreover, the interaction between cortisol and IL-6 levels was significant only among persons with MCI (b = −0.562, p < 0.001). The synergistic effect of stress hormones and systemic inflammation on cognitive status appears to be stronger among older people who already display signs of cognitive decline. Targeting hypercortisolemia and inflammation may be a promising strategy toward improving the course of cognitive decline.
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Quantitative electroencephalographic biomarker of pharmacological treatment response in patients with anxiety disorder: a retrospective study. Sci Rep 2023; 13:3802. [PMID: 36882629 PMCID: PMC9992385 DOI: 10.1038/s41598-023-30994-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 03/06/2023] [Indexed: 03/09/2023] Open
Abstract
This study aimed to investigate the effectiveness of a quantitative electroencephalography (qEEG) biomarker in predicting the response to pharmacological treatment in patients with anxiety disorder. A total of 86 patients were diagnosed with anxiety disorder according to the Diagnostic and Statistical Manual of Mental Disorders 5th edition, and subsequently treated with antidepressants. After 8-12 weeks, the participants were divided into treatment-resistant (TRS) and treatment-response (TRP) groups based on their Clinical Global Impressions-Severity (CGI-S) scores. We obtained the absolute-EEG measurements for 19-channels and analyzed qEEG findings according to the frequency range: delta, theta, alpha, and beta. The beta-wave was subdivided into low-beta, beta, and high-beta waves. The theta-beta ratio (TBR) was calculated, and an analysis of covariance was performed. Of the 86 patients with anxiety disorder, 56 patients (65%) were classified in the TRS group. The TRS and TRP groups did not differ in terms of age, sex, or medication-dosage. However, the baseline CGI-S was higher in the TRP group. After calibration by covariates, the TRP group showed higher beta-waves in T3 and T4, and a lower TBR, especially in T3 and T4, than the TRS group. These results indicate that patients with a lower TBR and higher beta and high-beta waves in T3 and T4 are more likely to respond to medication.
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30
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Chen C, Yip HT, Leong KH, Yao WC, Hung CL, Su CH, Kuo CF, Tsai SY. Presence of depression and anxiety with distinct patterns of pharmacological treatments before the diagnosis of chronic fatigue syndrome: a population-based study in Taiwan. J Transl Med 2023; 21:98. [PMID: 36755267 PMCID: PMC9907887 DOI: 10.1186/s12967-023-03886-1] [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: 10/21/2022] [Accepted: 01/11/2023] [Indexed: 02/10/2023] Open
Abstract
OBJECTIVE An increased prevalence of psychiatric comorbidities (including depression and anxiety disorder) has been observed among patients with chronic fatigue syndrome (CFS). However, few studies have examined the presence of depression and anxiety disorder before the diagnosis of CFS. This study aimed to clarify the preexisting comorbidities and treatments associated with patients with subsequent CFS diagnosis in a population-based cohort in Taiwan. METHODS An analysis utilizing the National Health Insurance Research Database of Taiwan was conducted. Participants included were 6303 patients with CFS newly diagnosed between 2000 and 2010 and 6303 age-/sex-matched controls. RESULTS Compared with the control group, the CFS group had a higher prevalence of depression and anxiety disorder before the diagnosis of CFS. Sampled patients who took specific types of antidepressants, namely, selective serotonin reuptake inhibitors (adjusted odds ratio [aOR] = 1.21, 95% confidence interval [CI] 1.04-1.39), serotonin antagonists and reuptake inhibitors (SARI; aOR = 1.87, 95% CI 1.59-2.19), and tricyclic antidepressants (aOR = 1.46, 95% CI 1.09-1.95), had an increased risk of CFS. CFS risk was also higher among participants taking benzodiazepine, muscle relaxants, and analgesic drugs. A sub-group analysis revealed that SARI use was related to an increased risk of CFS in the depression, anxiety disorder, male, and female groups. In the depression and anxiety disorder groups, analgesic drug use was associated with an increased CFS risk. Nonpharmacological treatment administration differed between men and women. CONCLUSION This population-based retrospective cohort study revealed an increased risk of CFS among populations with preexisting depression and anxiety disorder, especially those taking SARI and analgesic drugs.
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Affiliation(s)
- Chi Chen
- grid.412094.a0000 0004 0572 7815Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan
| | - Hei-Tung Yip
- grid.411508.90000 0004 0572 9415Management Office for Health Data, China Medical University Hospital, Taichung, 404 Taiwan
| | - Kam-Hang Leong
- grid.452449.a0000 0004 1762 5613Department of Medicine, MacKay Medical College, New Taipei City, 252 Taiwan ,grid.413593.90000 0004 0573 007XDepartment of Laboratory Medicine, MacKay Memorial Hospital, Taipei, 104 Taiwan
| | - Wei-Cheng Yao
- grid.415675.40000 0004 0572 8359Department of Anesthesiology and Pain Medicine, Min-Sheng General Hospital, Taoyuan, Taiwan
| | - Chung-Lieh Hung
- grid.452449.a0000 0004 1762 5613Institute of Biomedical Sciences, MacKay Medical College, New Taipei City, Taiwan
| | - Ching-Huang Su
- grid.413593.90000 0004 0573 007XDepartment of Laboratory Medicine, MacKay Memorial Hospital, Taipei, 104 Taiwan
| | - Chien-Feng Kuo
- grid.452449.a0000 0004 1762 5613Department of Medicine, MacKay Medical College, New Taipei City, 252 Taiwan ,Department of Nursing, Nursing and Management, MacKay Junior College of Medicine, New Taipei City, 25245 Taiwan ,grid.413593.90000 0004 0573 007XDivision of Infectious Diseases, Department of Internal Medicine, MacKay Memorial Hospital, Taipei, Taiwan
| | - Shin-Yi Tsai
- Department of Medicine, MacKay Medical College, New Taipei City, 252, Taiwan. .,Department of Laboratory Medicine, MacKay Memorial Hospital, Taipei, 104, Taiwan. .,Institute of Biomedical Sciences, MacKay Medical College, New Taipei City, Taiwan. .,Institute of Long-Term Care, MacKay Medical College, New Taipei City, Taiwan. .,Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, 615 N. Wolfe Street, Baltimore, MD, 21205, USA.
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31
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Liou KT, McConnell KM, Currier MB, Baser RE, MacLeod J, Walker D, Casaw C, Wong G, Piulson L, Popkin K, Lopez AM, Panageas K, Bradt J, Mao JJ. Virtual Music Therapy versus Virtual Cognitive Behavioral Therapy for Anxiety in Cancer Survivors: Rationale and Protocol for a Comparative Effectiveness Trial (Preprint). JMIR Res Protoc 2023; 12:e46281. [PMID: 37103999 PMCID: PMC10176150 DOI: 10.2196/46281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 02/19/2023] [Indexed: 02/21/2023] Open
Abstract
BACKGROUND Cancer survivors represent one of the fastest growing populations in the United States. Unfortunately, nearly 1 in 3 survivors experience anxiety symptoms as a long-term consequence of cancer and its treatment. Characterized by restlessness, muscle tension, and worry, anxiety worsens the quality of life; impairs daily functioning; and is associated with poor sleep, depressed mood, and fatigue. Although pharmacological treatment options are available, polypharmacy has become a growing concern for cancer survivors. Music therapy (MT) and cognitive behavioral therapy (CBT) are evidence-based, nonpharmacological treatments that have demonstrated effectiveness in treating anxiety symptoms in cancer populations and can be adapted for remote delivery to increase access to mental health treatments. However, the comparative effectiveness of these 2 interventions delivered via telehealth is unknown. OBJECTIVE The aims of the Music Therapy Versus Cognitive Behavioral Therapy for Cancer-related Anxiety (MELODY) study are to determine the comparative effectiveness of telehealth-based MT versus telehealth-based CBT for anxiety and comorbid symptoms in cancer survivors and to identify patient-level factors associated with greater anxiety symptom reduction for MT and CBT. METHODS The MELODY study is a 2-arm, parallel-group randomized clinical trial that aims to compare the effectiveness of MT versus CBT for anxiety and comorbid symptoms. The trial will enroll 300 English- or Spanish-speaking survivors of any cancer type or stage who have experienced anxiety symptoms for at least 1 month. Participants will receive 7 weekly sessions of MT or CBT delivered remotely via Zoom (Zoom Video Communications, Inc) over 7 weeks. Validated instruments to assess anxiety (primary outcome), comorbid symptoms (fatigue, depression, insomnia, pain, and cognitive dysfunction), and health-related quality of life will be administered at baseline and at weeks 4, 8 (end of treatment), 16, and 26. Semistructured interviews will be conducted at week 8 with a subsample of 60 participants (30 per treatment arm) to understand individual experiences with the treatment sessions and their impact. RESULTS The first study participant was enrolled in February 2022. As of January 2023, 151 participants have been enrolled. The trial is expected to be completed by September 2024. CONCLUSIONS This study is the first and largest randomized clinical trial to compare the short- and long-term effectiveness of remotely delivered MT and CBT for anxiety in cancer survivors. Limitations include the lack of usual care or placebo control groups and the lack of formal diagnostic assessments for psychiatric disorders among trial participants. The study findings will help guide treatment decisions for 2 evidence-based, scalable, and accessible interventions to promote mental well-being during cancer survivorship. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) DERR1-10.2196/46281.
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Affiliation(s)
- Kevin T Liou
- Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | | | | | - Raymond E Baser
- Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Jodi MacLeod
- Society for Integrative Oncology, Washington, DC, United States
| | | | - Camila Casaw
- Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Greta Wong
- Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Lauren Piulson
- Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Karen Popkin
- Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Ana Maria Lopez
- Thomas Jefferson University, Philadelphia, PA, United States
| | | | - Joke Bradt
- Drexel University, Philadelphia, PA, United States
| | - Jun J Mao
- Memorial Sloan Kettering Cancer Center, New York, NY, United States
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Lama A, Del Piano F, Annunziata C, Comella F, Opallo N, Melini S, Grumetto L, Pirozzi C, Mattace Raso G, Meli R, Ferrante MC. Bisphenol A exacerbates anxiety-like behavior and neuroinflammation in prefrontal cortex of adult obese mice. Life Sci 2023; 313:121301. [PMID: 36535405 DOI: 10.1016/j.lfs.2022.121301] [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: 09/07/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022]
Abstract
AIMS Bisphenol A (BPA) is an endocrine-disrupting chemical inducing several damages such as neurotoxicity, immunotoxicity, and metabolic disorders. Obesity is the main risk factor for the increased occurrence of metabolic alterations as well as mood disorders. Here, we investigated in obese mice the effects of BPA on anxiety-like behavior, associated with neuroinflammation and immune activation. MAIN METHODS Male C57Bl/6J mice were divided into 4 groups: control group (STD) receiving chow diet and BPA vehicle; STD group treated with BPA (50 μg/kg/die); high-fat diet (HFD) group receiving BPA vehicle; HFD group treated with BPA. BPA treatment started 12 weeks after HFD feeding and lasted 3 weeks. KEY FINDINGS The open field and elevated plus-maze tests showed in HFD + BPA group the worsening of HFD-induced anxiety-like behavior. The anxiogenic effects of BPA also emerged from hyperactivation of the hypothalamus-pituitary-adrenal gland axis, determined by the increased transcription of Crh and its receptor in the prefrontal cortex (PFC). Furthermore, BPA activated NLRP3 inflammasome and exacerbated the neuroinflammation induced by HFD, increasing IL-1β, TNF-α and monocyte chemoattractant protein (MCP)-1 in PFC. Furthermore, it induced inflammation and monocyte recruitment in hypothalamus and amygdala. Contextually, BPA significantly amplified the immune activation caused by lipid overload as evidenced by the increased expression of TLR-4 and MCP-1 in the PFC and triggered mastocytosis in the hypothalamus rather than STD mice. SIGNIFICANCE All these data show that sub-chronic BPA exposure represents an additional risk factor for mood disorders strictly related to obesity, enhancing neuroinflammation and immune activation triggered by HFD feeding.
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Affiliation(s)
- A Lama
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - F Del Piano
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy
| | - C Annunziata
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - F Comella
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - N Opallo
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - S Melini
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - L Grumetto
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - C Pirozzi
- Department of Pharmacy, University of Naples Federico II, Naples, Italy.
| | - G Mattace Raso
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - R Meli
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - M C Ferrante
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy
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Castillo-Navarrete JL, Guzmán-Castillo A, Bustos C, Rojas R. Peripheral brain-derived neurotrophic factor (BDNF) and salivary cortisol levels in college students with different levels of academic stress. Study protocol. PLoS One 2023; 18:e0282007. [PMID: 36812175 PMCID: PMC9946253 DOI: 10.1371/journal.pone.0282007] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 02/05/2023] [Indexed: 02/24/2023] Open
Abstract
INTRODUCTION Brain-derived neurotrophic factor (BDNF) is essential for brain physiological processes influencing memory and learning. BDNF levels can be affected by many factors, including stress. Stress increase serum and salivary cortisol levels. Academic stress is of the chronic type. BDNF levels can be measure from serum, plasma or platelets, and there is still no standard methodology, which is relevant to ensure reproducibility and comparability between studies. HYPOTHESIS (i) BDNF concentrations in serum show greater variability than in plasma. (ii) In college students with academic stress, peripheral BDNF decreases and salivary cortisol increases. GENERAL OBJECTIVE To standardize plasma and serum collection for BDNF levels and to determine whether academic stress affects peripheral BDNF and salivary cortisol levels. DESIGN Quantitative research, with a non-experimental cross-sectional descriptive design. PARTICIPANTS Student volunteers. Under convenience sampling, 20 individuals will be included for standardization of plasma and serum collection and between 70 and 80 individuals to determine the effect of academic stress on BDNF and salivary cortisol. PERIPHERAL BLOOD AND SALIVARY CORTISOL SAMPLING, MEASUREMENTS 12 mL of peripheral blood (with and without anticoagulant) will be drawn per participant, separated from plasma or serum and cryopreserved at -80°C. Additionally, they will be instructed in the collection of 1 mL of saliva samples, which will be centrifuged. Val66Met polymorphism will be performed by allele-specific PCR, while BDNF and salivary cortisol levels will be determined by ELISA. STATISTICAL ANALYSIS (i) descriptive analysis of the variables, through measures of central tendency and dispersion, and the categorical variables through their frequency and percentage. (ii) Then a bivariate analysis will be performed comparing groups using each variable separately. EXPECTED RESULTS We expect to (i) determine the analytical factors that allow a better reproducibility in the measurement of peripheral BDNF, and (ii) the effect of academic stress on BDNF and salivary cortisol levels.
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Affiliation(s)
- Juan-Luis Castillo-Navarrete
- Departamento de Tecnología Médica, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM (http://nepsam.udec.cl), Universidad de Concepción, Concepción, Chile
- * E-mail: (JLCN); (AGC)
| | - Alejandra Guzmán-Castillo
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM (http://nepsam.udec.cl), Universidad de Concepción, Concepción, Chile
- Programme in Mental Health, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- Departamento de Ciencias Básicas y Morfología, Facultad de Medicina, Universidad Católica de la Santísima Concepción, Concepción, Chile
- * E-mail: (JLCN); (AGC)
| | - Claudio Bustos
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM (http://nepsam.udec.cl), Universidad de Concepción, Concepción, Chile
- Departamento de Psicología, Facultad de Ciencias Sociales, Universidad de Concepción, Concepción, Chile
| | - Romina Rojas
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM (http://nepsam.udec.cl), Universidad de Concepción, Concepción, Chile
- Departamento de Farmacología, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
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Ji S, Chen Y, Zhou Y, Cao Y, Li X, Ding G, Tang F. Association between anxiety and metabolic syndrome: An updated systematic review and meta-analysis. Front Psychiatry 2023; 14:1118836. [PMID: 36873213 PMCID: PMC9978147 DOI: 10.3389/fpsyt.2023.1118836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 01/30/2023] [Indexed: 02/18/2023] Open
Abstract
OBJECTIVE Previous studies have demonstrated an association between anxiety and metabolic syndrome (MetS). However, the association is still controversial. This updated meta-analysis aimed to reanalyze the association between anxiety and MetS. METHODS We comprehensively searched PubMed, Embase and Web of Science for all related studies published before January 23, 2023. Observational studies that informed effect size with 95% confidence interval (CI) for the association between anxiety and MetS were included. According to heterogeneity between studies, fixed or random effects models were applied to calculate the pooled effect size. Publication bias was examined by funnel plots. RESULTS The research included 24 cross-sectional studies: 20 studies used MetS as the dependent variable with a pooled OR of 1.07 (95% CI: 1.01-1.13) and four studies used anxiety as the dependent variable with a pooled OR of 1.14 (95% CI: 1.07-1.23). Three cohort studies were found: two studies detected the association of baseline anxiety with the risk of MetS, one of the studies demonstrated a significant association, but a similar result was not found in another study; one study showed no significant association between baseline MetS and the risk of anxiety. CONCLUSION Cross-sectional studies indicated an association between anxiety and MetS. The results from cohort studies are still inconsistent and limited. More large-scale prospective studies are needed to further reveal the causal relationship of anxiety with MetS.
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Affiliation(s)
- Shuang Ji
- Department of Neurology, Shandong Provincial Qianfoshan Hospital, Weifang Medical University and Shandong Institute of Neuroimmunology, Jinan, China
| | - Yujiao Chen
- Department of Neurology, Shandong Provincial Qianfoshan Hospital, Weifang Medical University and Shandong Institute of Neuroimmunology, Jinan, China
| | - Yuying Zhou
- Department of Neurology, Shandong Provincial Qianfoshan Hospital, Weifang Medical University and Shandong Institute of Neuroimmunology, Jinan, China
| | - Yiting Cao
- Department of Neurology, Shandong Provincial Qianfoshan Hospital, Weifang Medical University and Shandong Institute of Neuroimmunology, Jinan, China
| | - Xiao Li
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China.,Department of Clinical Pharmacy, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Guoyong Ding
- School of Public Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
| | - Fang Tang
- Department of Neurology, Shandong Provincial Qianfoshan Hospital, Weifang Medical University and Shandong Institute of Neuroimmunology, Jinan, China.,Center for Big Data Research in Health and Medicine, The First Affiliated Hospital of Shandong First Medical University, Jinan, China.,Shandong Provincial Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
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Surugiu R, Burdusel D, Ruscu MA, Cercel A, Hermann DM, Cadenas IF, Popa-Wagner A. Clinical Ageing. Subcell Biochem 2023; 103:437-458. [PMID: 37120476 DOI: 10.1007/978-3-031-26576-1_16] [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: 05/01/2023]
Abstract
Ageing is generally characterised by the declining ability to respond to stress, increasing homeostatic imbalance, and increased risk of ageing-associated diseases . Mechanistically, the lifelong accumulation of a wide range of molecular and cellular impairments leads to organismal senescence. The aging population poses a severe medical concern due to the burden it places on healthcare systems and the general public as well as the prevalence of diseases and impairments associated with old age. In this chapter, we discuss organ failure during ageing as well as ageing of the hypothalamic-pituitary-adrenal axis and drugs that can regulate it. A much-debated subject is about ageing and regeneration. With age, there is a gradual decline in the regenerative properties of most tissues. The goal of regenerative medicine is to restore cells, tissues, and structures that are lost or damaged after disease, injury, or ageing. The question arises as to whether this is due to the intrinsic ageing of stem cells or, rather, to the impairment of stem-cell function in the aged tissue environment. The risk of having a stroke event doubles each decade after the age of 55. Therefore, it is of great interest to develop neurorestorative therapies for stroke which occurs mostly in elderly people. Initial enthusiasm for stimulating restorative processes in the ischaemic brain with cell-based therapies has meanwhile converted into a more balanced view, recognising impediments related to survival, migration, differentiation, and integration of therapeutic cells in the hostile aged brain environment. Therefore, a current lack of understanding of the fate of transplanted cells means that the safety of cell therapy in stroke patients is still unproven. Another issue associated with ischaemic stroke is that patients at risk for these sequels of stroke are not duly diagnosed and treated due to the lack of reliable biomarkers. However, recently neurovascular unit-derived exosomes in response to Stroke and released into serum are new plasma genetic and proteomic biomarkers associated with ischaemic stroke. The second valid option, which is also more economical, is to invest in prevention.
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Affiliation(s)
- Roxana Surugiu
- Experimental Research Centre for Normal and Pathological Aging, University of Medicine and Pharmacy of Craiova, Craiova, Romania
- University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Daiana Burdusel
- Experimental Research Centre for Normal and Pathological Aging, University of Medicine and Pharmacy of Craiova, Craiova, Romania
- University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Mihai-Andrei Ruscu
- Experimental Research Centre for Normal and Pathological Aging, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Andreea Cercel
- Stroke Pharmacogenomics and Genetics Group, Sant Pau Hospital Institute of Research, Barcelona, Spain
| | - Dirk M Hermann
- Experimental Research Centre for Normal and Pathological Aging, University of Medicine and Pharmacy of Craiova, Craiova, Romania
- University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Israel Fernandez Cadenas
- Stroke Pharmacogenomics and Genetics Group, Sant Pau Hospital Institute of Research, Barcelona, Spain
| | - Aurel Popa-Wagner
- Experimental Research Centre for Normal and Pathological Aging, University of Medicine and Pharmacy of Craiova, Craiova, Romania.
- University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
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Shen Y, Chen Y, Huang S, Yao X, Kanwar YS, Zhan M. The Association between Symptoms of Depression and Anxiety, Quality of Life, and Diabetic Kidney Disease among Chinese Adults: A Cross-Sectional Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 20:475. [PMID: 36612797 PMCID: PMC9819882 DOI: 10.3390/ijerph20010475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/23/2022] [Accepted: 12/25/2022] [Indexed: 06/17/2023]
Abstract
Depression and anxiety are common comorbid symptoms among patients with diabetic kidney disease (DKD). Little is known about the influence of poor psychological conditions on the disease progression and quality of life (QOL) in DKD patients. This study aimed to investigate the prevalence of, and risk factors for, depression and anxiety in Chinese DKD patients, and to analyze their impact on the renal function, proteinuria, and QOL. A total of 620 adult patients with Type 2 diabetes and DKD being treated at a tertiary hospital in East China were recruited. Depression and anxiety symptoms were assessed by the Zung Self-Rating Depression Scale and Anxiety Scale. Among the DKD participants, 41.3% had symptoms of depression and 45.0% had anxiety symptoms. A poor education, physical inactivity, stroke, low serum albumin, CKD stage 3-4, macroalbuminuria, and a poor QOL were independent risk factors for depression in the DKD patients. Whereas a higher education, physical inactivity, diabetic retinopathy and neuropathy, low hemoglobin, CKD stage 3-4, and a poor QOL were risk factors for anxiety. Depression and anxiety scores among the DKD patients were negatively correlated with the eGFR and QOL scores. Moreover, depression and anxiety symptoms were independent risk factors for DKD patients with CKD stage 3-4 and a poor QOL. Our findings suggest a high prevalence of depression and anxiety among Chinese DKD patients, and the severity of psychological symptoms is closely linked to the deterioration of renal function and the QOL. The early screening and intervention of psychopathological disorders is thus strongly recommended for improving the QOL and clinical outcomes among DKD patients.
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Affiliation(s)
- Yan Shen
- School of Medicine, Ningbo University, Ningbo 315000, China
| | - Yi Chen
- School of Medicine, Ningbo University, Ningbo 315000, China
| | - Shichun Huang
- School of Medicine, Ningbo University, Ningbo 315000, China
| | - Xuejie Yao
- Department of Medicine, Ningbo First Hospital, Zhejiang University, Ningbo 315000, China
| | - Yashpal S. Kanwar
- Department of Pathology, Northwestern University, Chicago, IL 60611, USA
- Department of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Ming Zhan
- Department of Medicine, Ningbo First Hospital, Zhejiang University, Ningbo 315000, China
- China Health Institute, University of Nottingham Ningbo China, Ningbo 315100, China
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Repova K, Baka T, Krajcirovicova K, Stanko P, Aziriova S, Reiter RJ, Simko F. Melatonin as a Potential Approach to Anxiety Treatment. Int J Mol Sci 2022; 23:ijms232416187. [PMID: 36555831 PMCID: PMC9788115 DOI: 10.3390/ijms232416187] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/02/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Anxiety disorders are the most common mental diseases. Anxiety and the associated physical symptoms may disturb social and occupational life and increase the risk of somatic diseases. The pathophysiology of anxiety development is complex and involves alterations in stress hormone production, neurosignaling pathways or free radical production. The various manifestations of anxiety, its complex pathophysiological background and the side effects of available treatments underlie the quest for constantly seeking therapies for these conditions. Melatonin, an indolamine produced in the pineal gland and released into the blood on a nightly basis, has been demonstrated to exert anxiolytic action in animal experiments and different clinical conditions. This hormone influences a number of physiological actions either via specific melatonin receptors or by receptor-independent pleiotropic effects. The underlying pathomechanism of melatonin's benefit in anxiety may reside in its sympatholytic action, interaction with the renin-angiotensin and glucocorticoid systems, modulation of interneuronal signaling and its extraordinary antioxidant and radical scavenging nature. Of importance, the concentration of this indolamine is significantly higher in cerebrospinal fluid than in the blood. Thus, ensuring sufficient melatonin production by reducing light pollution, which suppresses melatonin levels, may represent an endogenous neuroprotective and anxiolytic treatment. Since melatonin is freely available, economically undemanding and has limited side effects, it may be considered an additional or alternative treatment for various conditions associated with anxiety.
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Affiliation(s)
- Kristina Repova
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia
| | - Tomas Baka
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia
| | - Kristina Krajcirovicova
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia
| | - Peter Stanko
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia
| | - Silvia Aziriova
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia
| | - Russel J. Reiter
- Department of Cell Systems and Anatomy, UT Health San Antonio, Long School of Medicine, San Antonio, TX 78229, USA
| | - Fedor Simko
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia
- 3rd Department of Internal Medicine, Faculty of Medicine, Comenius University, 83305 Bratislava, Slovakia
- Institute of Experimental Endocrinology, Biomedical Research Center, Slovak Academy of Sciences, 84505 Bratislava, Slovakia
- Correspondence: ; Tel.: +421-(0)2-59357276
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Dutton M, Can AT, Lagopoulos J, Hermens DF. Stress, mental disorder and ketamine as a novel, rapid acting treatment. Eur Neuropsychopharmacol 2022; 65:15-29. [PMID: 36206584 DOI: 10.1016/j.euroneuro.2022.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 09/09/2022] [Accepted: 09/17/2022] [Indexed: 12/13/2022]
Abstract
The experience of stress is often utilised in models of emerging mental illness and neurobiological systems are implicated as the intermediary link between the experience of psychological stress and the development of a mental disorder. Chronic stress and prolonged glucocorticoid exposure have potent effects on neuronal architecture particularly in regions that modulate the hypothalamic-pituitary-adrenal (HPA) axis and are commonly associated with psychiatric disorders. This review provides an overview of stress modulating neurobiological and neurochemical systems which underpin stress-related structural and functional brain changes. These changes are thought to contribute not only to the development of disorders, but also to the treatment resistance and chronicity seen in some of our most challenging mental disorders. Reports to date suggest that stress-related psychopathology is the aetiological mechanism of these disorders and thus we review the rapid acting antidepressant ketamine as an effective emerging treatment. Ketamine, an N-methyl D-aspartate (NMDA) receptor antagonist, is shown to induce a robust treatment effect in mental disorders via enhanced synaptic strength and connectivity in key brain regions. Whilst ketamine's glutamatergic effect has been previously examined, we further consider ketamine's capacity to modulate the HPA axis and associated pathways.
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Affiliation(s)
- Megan Dutton
- Thompson Institute, University of the Sunshine Coast, 12 Innovation Parkway, Birtinya, Queensland 4575, Australia.
| | - Adem T Can
- Thompson Institute, University of the Sunshine Coast, 12 Innovation Parkway, Birtinya, Queensland 4575, Australia
| | - Jim Lagopoulos
- Thompson Institute, University of the Sunshine Coast, 12 Innovation Parkway, Birtinya, Queensland 4575, Australia
| | - Daniel F Hermens
- Thompson Institute, University of the Sunshine Coast, 12 Innovation Parkway, Birtinya, Queensland 4575, Australia
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Govic A, Nasser H, Levay EA, Zelko M, Ebrahimie E, Mohammadi Dehcheshmeh M, Kent S, Penman J, Hazi A. Long-Term Calorie Restriction Alters Anxiety-like Behaviour and the Brain and Adrenal Gland Transcriptomes of the Ageing Male Rat. Nutrients 2022; 14:nu14214670. [PMID: 36364936 PMCID: PMC9654051 DOI: 10.3390/nu14214670] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/28/2022] [Accepted: 11/01/2022] [Indexed: 11/06/2022] Open
Abstract
Further examination of the molecular regulators of long-term calorie restriction (CR), reported to have an anxiolytic effect, may highlight novel therapeutic targets for anxiety disorders. Here, adult male Hooded Wistar rats were exposed to a 25% CR whilst anxiety-like behaviour was assessed at 6-, 12-, and 18-months of age via the elevated plus maze, open field, and acoustic startle tests. Next-generation sequencing was then used to measure transcriptome-wide gene expression in the hypothalamus, amygdala, pituitary, and adrenal glands. Results showed an anxiolytic behavioural profile across early, middle, and late adulthood by CR, with the strongest effects noted at 6-months. Transcriptomic analysis by seven attribute weighting algorithms, including Info Gain Ratio, Rule, Chi Squared, Gini Index, Uncertainty, Relief, and Info Gain, led to the development of a signature of long-term CR, independent of region. Complement C1q A chain (C1qa), an extracellular protein, expression was significantly decreased by CR in most regions examined. Furthermore, text mining highlighted the positive involvement of C1qa in anxiety, depression, neurodegeneration, stress, and ageing, collectively identifying a suitable biomarker candidate for CR. Overall, the current study identified anxiety-related phenotypic changes and a novel transcriptome signature of long-term CR, indicating potential therapeutic targets for anxiety, depression, and neurodegeneration.
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Affiliation(s)
- Antonina Govic
- School of Psychology and Public Health, La Trobe University, Melbourne, VIC 3010, Australia
- Epigenes Australia Pty Ltd., Melbourne, VIC 3010, Australia
- Correspondence: or ; Tel.: +61-3-9780-9996
| | - Helen Nasser
- School of Psychology and Public Health, La Trobe University, Melbourne, VIC 3010, Australia
- Epigenes Australia Pty Ltd., Melbourne, VIC 3010, Australia
| | - Elizabeth A. Levay
- School of Psychology and Public Health, La Trobe University, Melbourne, VIC 3010, Australia
- Epigenes Australia Pty Ltd., Melbourne, VIC 3010, Australia
| | - Matt Zelko
- School of Psychology and Public Health, La Trobe University, Melbourne, VIC 3010, Australia
- Epigenes Australia Pty Ltd., Melbourne, VIC 3010, Australia
| | - Esmaeil Ebrahimie
- Genomics Research Platform, School of Agriculture, Biomedicine and Environment, La Trobe University, Melbourne, VIC 3000, Australia
- School of Animal and Veterinary Sciences, The University of Adelaide, Adelaide, SA 5371, Australia
- School of BioSciences, The University of Melbourne, Melbourne, VIC 3010, Australia
| | - Manijeh Mohammadi Dehcheshmeh
- Genomics Research Platform, School of Agriculture, Biomedicine and Environment, La Trobe University, Melbourne, VIC 3000, Australia
- School of Animal and Veterinary Sciences, The University of Adelaide, Adelaide, SA 5371, Australia
| | - Stephen Kent
- School of Psychology and Public Health, La Trobe University, Melbourne, VIC 3010, Australia
| | - Jim Penman
- Epigenes Australia Pty Ltd., Melbourne, VIC 3010, Australia
| | - Agnes Hazi
- School of Psychology and Public Health, La Trobe University, Melbourne, VIC 3010, Australia
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Molecular Pathways of the Therapeutic Effects of Ayahuasca, a Botanical Psychedelic and Potential Rapid-Acting Antidepressant. Biomolecules 2022; 12:biom12111618. [DOI: 10.3390/biom12111618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/27/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022] Open
Abstract
Ayahuasca is a psychoactive brew traditionally used in indigenous and religious rituals and ceremonies in South America for its therapeutic, psychedelic, and entheogenic effects. It is usually prepared by lengthy boiling of the leaves of the bush Psychotria viridis and the mashed stalks of the vine Banisteriopsis caapi in water. The former contains the classical psychedelic N,N-dimethyltryptamine (DMT), which is thought to be the main psychoactive alkaloid present in the brew. The latter serves as a source for β-carbolines, known for their monoamine oxidase-inhibiting (MAOI) properties. Recent preliminary research has provided encouraging results investigating ayahuasca’s therapeutic potential, especially regarding its antidepressant effects. On a molecular level, pre-clinical and clinical evidence points to a complex pharmacological profile conveyed by the brew, including modulation of serotoninergic, glutamatergic, dopaminergic, and endocannabinoid systems. Its substances also interact with the vesicular monoamine transporter (VMAT), trace amine-associated receptor 1 (TAAR1), and sigma-1 receptors. Furthermore, ayahuasca’s components also seem to modulate levels of inflammatory and neurotrophic factors beneficially. On a biological level, this translates into neuroprotective and neuroplastic effects. Here we review the current knowledge regarding these molecular interactions and how they relate to the possible antidepressant effects ayahuasca seems to produce.
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Semen Sojae Praeparatum improves anxiety in mice by inhibiting HPA axis hyperactivity and modulating gut microbiota. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Zhang M, Huang F, Jiang F, Mai M, Guo X, Zhang Y, Xu Y, Zu H. Clinical efficacy and safety of low-dose doxepin in Chinese patients with generalized anxiety disorder: A before-after study. Medicine (Baltimore) 2022; 101:e31201. [PMID: 36281170 PMCID: PMC9592331 DOI: 10.1097/md.0000000000031201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/15/2022] [Indexed: 11/15/2022] Open
Abstract
Clinical and animal studies have reported that low-dose doxepin may have positive effects on generalized anxiety disorder (GAD); however, its effectiveness and clinical safety are less well understood. This study is a before-after study and aims to investigate the effectiveness and side effects of low-dose doxepin by evaluating Hamilton Anxiety Scale (HAMA) scores, hormones, blood glucose, serum lipids, body weight, and body mass index (BMI) in patients with GAD. Forty-nine patients (20 males and 29 females) with GAD were randomly assigned to receive low-dose doxepin (6.25 mg-12.5 mg per day) for 12 weeks between February 2015 and March 2016. HAMA scores, fasting blood glucose (FBG) body weight, BMI, and some serum biochemical indexes, such as adrenocorticotropic hormone (ACTH), free triiodothyronine (FT3), total cholesterol (TC), triglyceride (TG), and low-density lipoprotein cholesterol (LDLC), and FBG, were assessed during pretreatment and post-treatment. Mean scores of HAMA decreased from 19.50 ± 1.22 to 8.50 ± 3.61 after low-dose doxepin treatment (P < .01). The serum levels of ACTH (4.33 ± 2.14 vs 6.12 ± 3.02 pmol/L), FT3 (4.78 ± 0.51 vs 5.15 ± 0.52 pg/mL), TC (4.55 ± 1.01 vs 5.93 ± 1.66 mmol/L), TG (1.69 ± 1.51 vs 3.39 ± 2.86 mmol/L), and LDLC (2.43 ± 0.88 vs 3.76 ± 1.25 mmol/L), and FBG (5.06 ± 0.43 vs 5.78 ± 0.81 mmol/L) were higher than that pretreatment with a significant difference (P < .01). Bodyweight (62.00 ± 7.45 vs 64.00 ± 6.44 kg, P = .23) and BMI (23.70 ± 2.35 vs 24.48 ± 2.11 kg/m2, P = .14) had no difference after treatment. These results suggest that low-dose doxepin has beneficial clinical efficacy and safety. Low-dose doxepin can ameliorate anxiety in GAD patients and has some effects on neuroendocrine systems and the metabolic activity of serum glucose and lipid.
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Affiliation(s)
- Mengqi Zhang
- Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Fengmin Huang
- Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Feiyu Jiang
- Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Meiting Mai
- Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Xiaorou Guo
- Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Ying Zhang
- Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Ying Xu
- Department of Geriatric Cognitive Disorders, Shanghai Jinshan Zhongren Geriatric Nursing Hospital, Shanghai, China
| | - Hengbing Zu
- Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
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Chronic multiple mild stress induces sustained adverse psychological states in rats. Neuroreport 2022; 33:669-680. [DOI: 10.1097/wnr.0000000000001832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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44
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Jin Y, Sha S, Tian T, Wang Q, Liang S, Wang Z, Liu Y, Cheung T, Su Z, Ng CH, Xiang YT. Network analysis of comorbid depression and anxiety and their associations with quality of life among clinicians in public hospitals during the late stage of the COVID-19 pandemic in China. J Affect Disord 2022; 314:193-200. [PMID: 35780965 PMCID: PMC9242942 DOI: 10.1016/j.jad.2022.06.051] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 05/25/2022] [Accepted: 06/20/2022] [Indexed: 02/06/2023]
Abstract
BACKGROUND Mental health problems are common among clinicians working in public hospitals even in the late stage of the COVID-19 pandemic. Network analysis is a novel approach to explore interactions between mental health problems at the symptom level. This study examined the network structure of comorbid depression and anxiety and their associations with quality of life (QOL) among hospital clinicians in China during the late stage of the COVID-19 pandemic. METHODS A total of 4931 participants were recruited from October 13 to 22, 2020. The nine-item Patient Health Questionnaire (PHQ-9), seven-item Generalized Anxiety Disorder Scale (GAD-7), and the World Health Organization Quality of Life Questionnaire-Brief Version (WHOQOL-BREF) were used to measure depressive and anxiety symptoms, and QOL, respectively. Central and bridge symptoms were identified with centrality and bridge centrality indices, respectively. Network stability was examined using the case-dropping procedure. RESULTS The prevalence of depression (defined as PHQ-9 total score ≥ 5) was 35.1 % [95 % confidence interval (CI) = 33.73-36.41 %)], the prevalence of anxiety (GAD-7 total score ≥ 5) was 32.5 % (95 % CI = 31.20-33.84 %), while the prevalence of comorbid depression and anxiety was 26.9 % (95 % CI = 25.7-28.2 %). "Impaired motor skills", "Trouble relaxing" and "Uncontrollable worry" were the central symptoms in the whole depression-anxiety network. "Irritability", "Feeling afraid" and "Sad mood" were the most key bridge symptoms linking depression and anxiety. Three symptoms ("Fatigue", "Trouble relaxing" and "Nervousness") were the most strongly and negatively associated with QOL. Neither gender nor the experiences of caring for COVID-19 patients was associated with network global strength, distribution of edge weights or individual edge weights. LIMITATIONS The causality between variables could not be established. Depressive and anxiety symptoms were assessed by self-report measures, which may result in recall bias and limitations in capturing clinical phenomena. CONCLUSIONS Both the central (i.e., "Impaired motor skills", "Trouble relaxing" and "Uncontrollable worry") and bridge symptoms (i.e., "Irritability", "Feeling afraid" and "Sad mood") identified in this network analysis should be targeted in specific treatment and preventive measures for comorbid depressive and anxiety symptoms among clinicians in the late stage of the pandemic. Furthermore, "Fatigue", "Trouble relaxing" and "Nervousness" are key symptoms to address to improve clinicians' QOL.
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Affiliation(s)
- Yu Jin
- College of Education for the Future, Beijing Normal University, China
| | - Sha Sha
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders Beijing Anding Hospital & the Advanced Innovation Center for Human Brain Protection, Capital Medical University, School of Mental Health, Beijing, China.
| | - Tengfei Tian
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders Beijing Anding Hospital & the Advanced Innovation Center for Human Brain Protection, Capital Medical University, School of Mental Health, Beijing, China
| | - Qian Wang
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders Beijing Anding Hospital & the Advanced Innovation Center for Human Brain Protection, Capital Medical University, School of Mental Health, Beijing, China
| | - Sixiang Liang
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders Beijing Anding Hospital & the Advanced Innovation Center for Human Brain Protection, Capital Medical University, School of Mental Health, Beijing, China
| | - Zhe Wang
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders Beijing Anding Hospital & the Advanced Innovation Center for Human Brain Protection, Capital Medical University, School of Mental Health, Beijing, China
| | - Yinqi Liu
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders Beijing Anding Hospital & the Advanced Innovation Center for Human Brain Protection, Capital Medical University, School of Mental Health, Beijing, China
| | - Teris Cheung
- School of Nursing, Hong Kong Polytechnic University, Hong Kong, SAR, China
| | - Zhaohui Su
- School of Public Health, Southeast University, Nanjing, China
| | - Chee H. Ng
- Department of Psychiatry, The Melbourne Clinic and St Vincent's Hospital, University of Melbourne, Richmond, Victoria, Australia,Corresponding author
| | - Yu-Tao Xiang
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, & Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao SAR, China; Centre for Cognitive and Brain Sciences, University of Macau, Macao SAR, China; Institute of Advanced Studies in Humanities and Social Sciences, University of Macau, Macao SAR, China.
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Kawabe M, Nishida T, Horita C, Ikeda A, Takahashi R, Inui A, Shiozaki K. Ninjinyoeito improves social behavior disorder in neuropeptide Y deficient zebrafish. Front Pharmacol 2022; 13:905711. [PMID: 36034826 PMCID: PMC9411948 DOI: 10.3389/fphar.2022.905711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 07/07/2022] [Indexed: 11/13/2022] Open
Abstract
Sociability is an essential component of the linkage structure in human and other vertebrate communication. Low sociability is defined as a poor social approach, including social withdrawal and apathy, and is implicated in a variety of psychiatric disorders. Ninjinyoeito (NYT), a traditional Japanese herbal medicine, has been used in the medical field. This study aimed to determine the effect of NYT on low sociality in NPY-KO zebrafish. NPY-KO zebrafish were fed a 3% NYT-supplemented diet for 4 days and subjected to behavioral tests. In the mirror test, NPY-KO zebrafish fed a control diet showed avoidance behavior toward their mirror counterparts. In contrast, the treatment of NPY-KO zebrafish with NYT significantly increased their interaction with their counterparts in the mirror. In addition, a 3-chambers test was conducted to confirm the effect of NYT on the low sociality of NPY-KO zebrafish. NPY-KO zebrafish fed the control diet showed less interaction with fish chambers, while NYT treatment increased the interaction. Phosphorylation of ERK, a marker of neuronal activity, was significantly reduced in the whole brain of NYT-fed NPY-KO zebrafish, compared to the control diet. NYT treatment significantly suppressed hypothalamic-pituitary-adrenal-related genes (gr, pomc, and crh) and sympathetic-adrenal-medullary-related genes (th1, th2, and cck) in NPY-KO zebrafish. NYT administration significantly reduced mRNA levels of gad1b compared to the control diet, suggesting the involvement of GABAergic neurons in NYT-induced improvement of low sociability. Furthermore, the expression of CREB was suppressed when NPY-KO zebrafish were fed NYT. Next, we attempted to identify the effective herb responsible for the NYT-induced improvement of low sociability. NPY-KO zebrafish were fed an experimental diet containing the target herb for 4 days, and its effect on sociability was evaluated using the 3-chambers test. Results showed that Cinnamon Bark and Polygala Root treatments significantly increased time spent in the fish tank area compared to the control diet, while the other 10 herbs did not. We confirmed that these two herbs suppressed the activity of HPA-, SAM-, and GABAergic neurons, as well as NYT-treated zebrafish, accompanied by downregulation of CREB signaling. This study suggests the potential use of NYT as a drug for sociability disorders.
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Affiliation(s)
- Momoko Kawabe
- Course of Biological Science and Technology, The United Graduate School of Agricultural Sciences, Kagoshima University, Kagoshima, Japan
| | - Takumi Nishida
- Department of Food Life Sciences, Faculty of Fisheries, Kagoshima University, Kagoshima, Japan
| | - Chihoko Horita
- Department of Food Life Sciences, Faculty of Fisheries, Kagoshima University, Kagoshima, Japan
| | - Asami Ikeda
- Course of Biological Science and Technology, The United Graduate School of Agricultural Sciences, Kagoshima University, Kagoshima, Japan
| | - Ryuji Takahashi
- Kampo Research Laboratories, Kracie Pharma Ltd., Toyama, Japan
| | - Akio Inui
- Pharmacological Department of Herbal Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Kazuhiro Shiozaki
- Course of Biological Science and Technology, The United Graduate School of Agricultural Sciences, Kagoshima University, Kagoshima, Japan
- Department of Food Life Sciences, Faculty of Fisheries, Kagoshima University, Kagoshima, Japan
- *Correspondence: Kazuhiro Shiozaki,
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Xiong B, Zhong Z, Chen C, Huang H, Lin J, Xu Y, Yang J, Yu C. The anxiolytic effect of koumine on a predatory sound stress-induced anxiety model and its associated molecular mechanisms. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 103:154225. [PMID: 35689899 DOI: 10.1016/j.phymed.2022.154225] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 05/24/2022] [Accepted: 05/31/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Koumine is the most abundant alkaloid extracted from Gelsemium elegans Benth.. Preliminary studies by our research group have shown that koumine has significant anxiolytic effect, but this needs to be further confirmed. HYPOTHESIS/PURPOSE To investigate the potential anxiolytic effect of koumine on predatory sound (PS) stress-induced anxiety models and preliminarily explore its therapeutic targets and molecular mechanisms. STUDY DESIGN AND METHODS The anxiolytic effect of koumine in an animal model of acute PS stress-induced anxiety were determined. Then, neurosteroids levels in the main brain regions involved in anxiety disorders, as well as plasma adrenocorticotropic hormone (ACTH) and corticosterone (CORT) levels, were determinated. Finally, to clarify the effect of koumine on translocator protein 18 kDa (TSPO), the affinity between koumine and TSPO was evaluated by surface plasmon resonance (SPR) technology. RESULTS Koumine treatment mitigated anxiety-like behavior following acute PS stress in the open field test and elevated plus maze test. PS exposure significantly decreased progesterone and allopregnanolone levels in the PFC, Hip, and Amy and increased ACTH and CORT levels in plasma, and koumine administration significantly reversed these effects. Finally, the reliable SPR results showed that the KD of koumine with TSPO was 155.33 ± 11.0 μM, indicating that koumine is a human TSPO high-affinity ligand that has an affinity comparable to typical TSPO ligands. CONCLUSION Our results show that koumine has obvious anxiolytic effect in the PS-induced anxiety model. Targeting TSPO-neurosteroids-HPA axis may be an important mechanism by which koumine exerts its anxiolytic effect.
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Affiliation(s)
- Bojun Xiong
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China
| | - Zhifeng Zhong
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Department of High Altitude Operational Medicine, College of High Altitude Military Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, China
| | - Chaojie Chen
- School of Chemical Engineering and Resource Recycling, Wuzhou University, Wuzhou 543002, China; Fujian Center for Safety Evaluation of New Drug, Fujian Medical University, Fuzhou 350122, China
| | - Huihui Huang
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China
| | - Jinxiang Lin
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China
| | - Ying Xu
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China.
| | - Jian Yang
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China.
| | - Changxi Yu
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China.
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Menon NM, Carr JA. Anxiety-like behavior and tectal gene expression in a foraging/predator avoidance tradeoff task using adult African clawed frogs Xenopus laevis. Behav Ecol Sociobiol 2022. [DOI: 10.1007/s00265-022-03219-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Glier S, Campbell A, Corr R, Pelletier-Baldelli A, Belger A. Individual differences in frontal alpha asymmetry moderate the relationship between acute stress responsivity and state and trait anxiety in adolescents. Biol Psychol 2022; 172:108357. [PMID: 35662579 PMCID: PMC10091222 DOI: 10.1016/j.biopsycho.2022.108357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 05/09/2022] [Accepted: 05/16/2022] [Indexed: 11/25/2022]
Abstract
Stress is a risk factor in the development and maintenance of psychopathology, particularly anxiety. Despite theory suggesting differences in stress responsivity may explain heterogeneity in anxiety, findings remain contradictory. This may be due to failure to account for individuals' neurobiological states and outdated methodologic analyses which confound conceptually and biologically distinct stress response pathways. In 145 adolescents, this study examined whether individual differences in neural activation underlying motivational states, indexed by resting frontal alpha asymmetry (FAA) before and after the Trier Social Stress Test (TSST), moderate the relationship between stress responsivity (measured by cortisol) and anxiety. Adolescents with rightward FAA activation (indexed by changes in resting FAA pre-to-post TSST) and high trait anxiety showed blunted cortisol reactivities while those with leftward FAA activation and high state anxiety showed prolonged cortisol recoveries. Our work reveals individual differences in vulnerability to psychosocial stressors and is the first study to show that FAA activation moderates the relationships between anxiety and distinct phases of the stress response in adolescents.
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Affiliation(s)
- Sarah Glier
- School of Medicine at the University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Psychiatry Department at University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
| | - Alana Campbell
- Psychiatry Department at University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Carolina Institute for Developmental Disabilities University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Rachel Corr
- Psychiatry Department at University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | | | - Aysenil Belger
- Psychiatry Department at University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Carolina Institute for Developmental Disabilities University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Frank Porter Graham Child Development Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Anxiety and hippocampal neuronal activity: Relationship and potential mechanisms. COGNITIVE, AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2022; 22:431-449. [PMID: 34873665 DOI: 10.3758/s13415-021-00973-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/11/2021] [Indexed: 12/15/2022]
Abstract
The hippocampus has been implicated in modulating anxiety. It interacts with a variety of brain regions, both cortical and subcortical areas regulating emotion and stress responses, including prefrontal cortex, amygdala, hypothalamus, and the nucleus accumbens, to adjust anxiety levels in response to a variety of stressful conditions. Growing evidence indicates that anxiety is associated with increased neuronal excitability in the hippocampus, and alterations in local regulation of hippocampal excitability have been suggested to underlie behavioral disruptions characteristic of certain anxiety disorders. Furthermore, studies have shown that some anxiolytics can treat anxiety by altering the excitability and plasticity of hippocampal neurons. Hence, identifying cellular and molecular mechanisms and neural circuits that regulate hippocampal excitability in anxiety may be beneficial for developing targeted interventions for treatment of anxiety disorders particularly for the treatment-resistant cases. We first briefly review a role of the hippocampus in fear. We then review the evidence indicating a relationship between the hippocampal activity and fear/anxiety and discuss some possible mechanisms underlying stress-induced hippocampal excitability and anxiety-related behavior.
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Zhong H, Rong J, Yang Y, Liang M, Li Y, Zhou R. Neonatal inflammation via persistent TGF-β1 downregulation decreases GABA AR expression in basolateral amygdala leading to the imbalance of the local excitation-inhibition circuits and anxiety-like phenotype in adult mice. Neurobiol Dis 2022; 169:105745. [PMID: 35513229 DOI: 10.1016/j.nbd.2022.105745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 04/26/2022] [Accepted: 04/27/2022] [Indexed: 11/29/2022] Open
Abstract
Neonatal inflammation can increase the risk of anxiety disorder in adulthood. The balance between glutamatergic excitatory and GABAergic inhibitory transmissions in the basolateral amygdala (BLA) plays a vital role in controlling anxiety state. Based on the reports that early-life inflammation had adverse effects on GABAergic system, the aim of this study was to investigate whether and how neonatal inflammation affects excitatory-inhibitory circuits in the BLA resulting in anxiety disorder. Neonatal mice received a daily subcutaneous injection of lipopolysaccharide (LPS, 50 μg/kg) or saline on postnatal days 3-5. LPS-treated mice developed anxiety behaviors accompanied by the hyperactivity of adrenal axis in adulthood. Electrophysiological study revealed the increase of postsynaptic neuronal excitability in the cortical-BLA excitatory synapses of LPS mice which could be recovered by bath-application of GABAAR agonist suggesting the impairment of GABAergic system in LPS mice. Compared with controls, GABAARα2 subunit expression and density of GABA-evoked current in BLA principal neurons were reduced in LPS mice. Additionally, neonatal LPS treatment resulted in the down-regulation of transforming growth factor-beta 1 (TGF-β1) expression and PKC signaling pathway in the adult BLA. The local TGF-β1 overexpression in the BLA improved GABAARα2 expression via up-regulating the activity of PKC signaling, which corrected GABAAR-mediated inhibition leading to the abolishment of anxiety-like change in adrenal axis regulation and behaviors in LPS mice. These data suggest the persistent TGF-β1deficit induces the down-regulation of GABAARα2 expression and subsequent disruption of the excitation-inhibition balance in the BLA circuits, which is the important mechanisms of neonatal inflammation-induced anxiety disorder.
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Affiliation(s)
- Haiquan Zhong
- Department of Physiology, Nanjing Medical University, Nanjing 211166, China
| | - Jing Rong
- Department of Physiology, Nanjing Medical University, Nanjing 211166, China
| | - Yang Yang
- Department of Physiology, Nanjing Medical University, Nanjing 211166, China
| | - Min Liang
- Department of Physiology, Nanjing Medical University, Nanjing 211166, China
| | - Yingchun Li
- Department of Physiology, Nanjing Medical University, Nanjing 211166, China
| | - Rong Zhou
- Department of Physiology, Nanjing Medical University, Nanjing 211166, China.
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