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Azizifar N, Mohaddes G, Keyhanmanesh R, Athari SZ, Alimohammadi S, Farajdokht F. Intranasal AdipoRon Mitigated Anxiety and Depression-Like Behaviors in 6-OHDA-Induced Parkinson 's Disease Rat Model: Going Beyond Motor Symptoms. Neurochem Res 2024:10.1007/s11064-024-04223-8. [PMID: 39096412 DOI: 10.1007/s11064-024-04223-8] [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: 03/21/2024] [Revised: 07/02/2024] [Accepted: 07/29/2024] [Indexed: 08/05/2024]
Abstract
Depression and anxiety are prevalent neuropsychiatric conditions among patients with Parkinson's disease (PD), which may manifest prior to motor symptoms. As levodopa, a prominent treatment for PD motor symptoms, provides few benefits for mood-related abnormalities, tackling non-motor symptoms is particularly important. AdipoRon (Ad), an adiponectin agonist, has demonstrated neuroprotective effects by suppressing neuroinflammatory responses and activating the AMPK/Sirt-1 signaling pathway. This study looked at the potential advantages and underlying mechanisms of intranasal Ad in a rat model of PD induced by 6-hydroxydopamine (6-OHDA). We found that Ad at doses of 1 and 10 µg for 21 days exhibited anxiolytic- and antidepressant effects in the open field (OF) test, elevated plus maze (EPM), sucrose splash test, and forced swimming test in a PD model caused by a unilateral 6-OHDA injection into the medial forebrain bundle (MFB). The Ad also lowered the levels of corticosterone in the blood, decreased inflammasome components (NLRP3, caspase 1, and IL-1β), and increased Sirt-1 protein levels in the prefrontal cortex (PFC) of PD rats. We conclude that Ad ameliorates anxious and depressive-like behaviors in the PD rat model through stimulating the AMPK/Sirt-1 signaling and blocking the NLRP3 inflammasome pathways in the PFC.
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Affiliation(s)
- Negin Azizifar
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Gisou Mohaddes
- Department of Biomedical Education, College of Osteopathic Medicine, California Health Sciences University, Clovis, CA, USA
| | - Rana Keyhanmanesh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyed Zanyar Athari
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soraya Alimohammadi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fereshteh Farajdokht
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Ortiz-Valladares M, Peregrino-Ramírez C, Pedraza-Medina R, Guzmán-Muñiz J. Differential effects of perigestational consumption of sucrose-sweetened beverages on anxiety and depression-related behaviors in adult offspring: Sex disparity in a mouse model. Int J Dev Neurosci 2024; 84:434-445. [PMID: 38813650 DOI: 10.1002/jdn.10347] [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: 02/29/2024] [Revised: 04/18/2024] [Accepted: 05/13/2024] [Indexed: 05/31/2024] Open
Abstract
Consumption of sucrose-sweetened drinks (SSDs) during pregnancy and breastfeeding can lead to various health and metabolism issues, but the potential impact on neurodevelopment and long-term effects remains unclear. This study aims to examine how maternal consumption of SSDs during gestation and lactation influences anxiety and depression-related behavior in adult offspring. Adult female CD-1 mice were randomly assigned to a control group (CG) or a sucrose group (SG) 2 weeks before gestation. The SG had 2 h of access to an SSD (15% w/w, 0.6 kcal/ml) for 2 weeks before mating, during pregnancy, and throughout lactation, totaling 8 weeks. Adult offspring were then evaluated for depressive-related behaviors and anxiety-related behaviors. Our findings reveal that perigestational consumption of SSDs does not lead to offspring presenting behaviors related to depression, but it does increase swimming behavior. However, maternal consumption of SSDs could impact the fighting response due to a diminished motivational component. In contrast, perigestational consumption of SSDs has apparent effects on anxiety-related behavior. Furthermore, female offspring appeared to be particularly vulnerable, exhibiting a higher anxiety index compared with controls. These findings indicate that females could be more vulnerable to the effects of maternal consumption of SSDs, being more susceptible to the presence of anxiety-related behaviors.
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Affiliation(s)
| | | | - Ricardo Pedraza-Medina
- Laboratory of Neuroscience, School of Psychology, University of Colima, Colima, Mexico
- Medical Science Postgraduate Program, School of Medicine, University of Colima, Colima, Mexico
| | - Jorge Guzmán-Muñiz
- Laboratory of Neuroscience, School of Psychology, University of Colima, Colima, Mexico
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Tian Y, Yang XW, Chen L, Xi K, Cai SQ, Cai J, Yang XM, Wang ZY, Li M, Xing GG. Activation of CRF/CRFR1 Signaling in the Central Nucleus of the Amygdala Contributes to Chronic Stress-Induced Exacerbation of Neuropathic Pain by Enhancing GluN2B-NMDA Receptor-Mediated Synaptic Plasticity in Adult Male Rats. THE JOURNAL OF PAIN 2024; 25:104495. [PMID: 38354968 DOI: 10.1016/j.jpain.2024.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 01/27/2024] [Accepted: 02/05/2024] [Indexed: 02/16/2024]
Abstract
Exacerbation of pain by chronic stress and comorbidity of pain with stress-related disorders such as depression and post-traumatic stress disorder, represent significant clinical challenges. Previously we have documented that chronic forced swim (FS) stress exacerbates neuropathic pain in spared nerve injury (SNI) rats, associated with an up-regulation of GluN2B-containing N-methyl-D-aspartate receptors (GluN2B-NMDARs) in the central nucleus of the amygdala (CeA). However, the molecular mechanisms underlying chronic FS stress (CFSS)-mediated exacerbation of pain sensitivity in SNI rats still remain unclear. In this study, we demonstrated that exposure of CFSS to rats activated the corticotropin-releasing factor (CRF)/CRF receptor type 1 (CRFR1) signaling in the CeA, which was shown to be necessary for CFSS-induced depressive-like symptoms in stressed rats, and as well, for CFSS-induced exacerbation of pain hypersensitivity in SNI rats exposed to chronic FS stress. Furthermore, we discovered that activation of CRF/CRFR1 signaling in the CeA upregulated the phosphorylation of GluN2B-NMDARs at tyrosine 1472 (pGluN2BY1472) in the synaptosomal fraction of CeA, which is highly correlated to the enhancement of synaptic GluN2B-NMDARs expression that has been observed in the CeA in CFSS-treated SNI rats. In addition, we revealed that activation of CRF/CRFR1 signaling in the CeA facilitated the CFSS-induced reinforcement of long-term potentiation as well as the enhancement of NMDAR-mediated excitatory postsynaptic currents in the basolateral amygdala (BLA)-CeA pathway in SNI rats. These findings suggest that activation of CRF/CRFR1 signaling in the CeA contributes to chronic stress-induced exacerbation of neuropathic pain by enhancing GluN2B-NMDAR-mediated synaptic plasticity in rats subjected to nerve injury. PERSPECTIVE: Our present study provides a novel mechanism for elucidating stress-induced hyperalgesia and highlights that the CRF/CRFR1 signaling and the GluN2B-NMDAR-mediated synaptic plasticity in the CeA may be important as potential therapeutic targets for chronic stress-induced pain exacerbation in human neuropathic pain. DATA AVAILABILITY: The data that support the findings of this study are available from the corresponding author upon reasonable request.
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Affiliation(s)
- Yue Tian
- Key Laboratory for Neuroscience, Ministry of Education of China & National Health Commission of China, Beijing, China; Department of Neurobiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China; Neuroscience Research Institute, Peking University, Beijing, China
| | - Xue-Wei Yang
- Department of Endocrinology, Peking University First Hospital, Beijing, China
| | - Lin Chen
- Key Laboratory for Neuroscience, Ministry of Education of China & National Health Commission of China, Beijing, China; Department of Neurobiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China; Neuroscience Research Institute, Peking University, Beijing, China
| | - Ke Xi
- Key Laboratory for Neuroscience, Ministry of Education of China & National Health Commission of China, Beijing, China; Department of Neurobiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China; Neuroscience Research Institute, Peking University, Beijing, China
| | - Si-Qing Cai
- Key Laboratory for Neuroscience, Ministry of Education of China & National Health Commission of China, Beijing, China; Department of Neurobiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China; Neuroscience Research Institute, Peking University, Beijing, China
| | - Jie Cai
- Key Laboratory for Neuroscience, Ministry of Education of China & National Health Commission of China, Beijing, China; Department of Neurobiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China; Neuroscience Research Institute, Peking University, Beijing, China
| | - Xiao-Mei Yang
- Department of Human Anatomy and Embryology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Zhi-Yong Wang
- Department of Human Anatomy and Embryology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Min Li
- Department of Anesthesiology, Peking University Third Hospital, Beijing, China
| | - Guo-Gang Xing
- Key Laboratory for Neuroscience, Ministry of Education of China & National Health Commission of China, Beijing, China; Department of Neurobiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China; Neuroscience Research Institute, Peking University, Beijing, China; Second Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, China
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Rasheed M, Tahir A, Maazouzi M, Wang H, Li Y, Chen Z, Deng Y. Interplay of miRNAs and molecular pathways in spaceflight-induced depression: Insights from a rat model using simulated complex space environment. FASEB J 2024; 38:e23831. [PMID: 39037540 DOI: 10.1096/fj.202400420rr] [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: 02/26/2024] [Revised: 06/30/2024] [Accepted: 07/08/2024] [Indexed: 07/23/2024]
Abstract
Depression is a significant concern among astronauts, yet the molecular mechanisms underlying spaceflight-induced depression remain poorly understood. MicroRNAs (miRNAs) have emerged as potential regulators of neuropsychiatric disorders, including depression, but their specific role in space-induced depression remains unexplored. This study aimed to elucidate the involvement of candidate miRNAs (miR-455-3p, miR-206-3p, miR-132-3p, miR-16-5p, miR-124-3p, and miR-145-3p) and their interaction with differentially expressed genes (DEGs) in the neurobiology of spaceflight-induced depressive behavior. Using a simulated space environmental model (SCSE) for 21 days, depressive behavior was induced in rats, and candidate miRNA expressions and DEGs in the cortex region were analyzed through qRT-PCR and HPLC, respectively. Results showed that SCSE-exposed rats exhibited depressive behaviors, including anhedonia, increased immobility, and anxiousness compared to controls. Further analysis revealed increased hydrogen peroxide levels and decreased superoxide dismutase levels in the SCSE group, indicating abnormal oxidative stress in the cerebral cortex. Moreover, miRNA analysis demonstrated significant upregulation of miR-455-3p, miR-206-3p, miR-132-3p, and miR-16-5p expression. Among the DEGs identified, the in silico analysis highlighted their involvement in crucial pathways such as glutamatergic signaling, GABA synaptic pathway, and calcium signaling, implicating their role in spaceflight-induced depression. Protein-protein interaction analysis identified hub genes, including DLG4, DLG3, GRIN1, GRIN2B, GRIN2A, SYNGAP1, DLGAP1, GRIK2, and GRIN3A, impacting neuronal dysfunction functions in the cortex region of SCSE depressive rats. DLG4 emerged as a core gene regulated by miR-455-3p and miR-206-3p. Overall, this study underscores the potential of miRNAs as biomarkers for mood disorders and neurological abnormalities associated with spaceflight, advancing health sciences, and space health care.
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Affiliation(s)
- Madiha Rasheed
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Beijing, People's Republic of China
| | - Adnan Tahir
- Department of Biology, College of Science, Sultan Qaboos University, Muscat, Oman
| | - Mohamed Maazouzi
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Beijing, People's Republic of China
| | - Han Wang
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Beijing, People's Republic of China
| | - Yumeng Li
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Beijing, People's Republic of China
| | - Zixuan Chen
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Beijing, People's Republic of China
| | - Yulin Deng
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Beijing, People's Republic of China
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Wang YT, Wang XL, Lei L, Zhang Y. Efficacy of ginsenoside Rg1 on rodent models of depression: A systematic review and meta-analysis. Psychopharmacology (Berl) 2024:10.1007/s00213-024-06649-y. [PMID: 39039242 DOI: 10.1007/s00213-024-06649-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 07/07/2024] [Indexed: 07/24/2024]
Abstract
RATIONALE Depression is a prevalent psychiatric disease, and ginsenoside Rg1 is a bioactive compound extracted from the root of Panax ginseng C.A.Mey. To systematically investigate the effectiveness of Rg1 in rodent models of depression and provide evidence-based references for treating depression. METHODS Electronic searches for rodent studies were performed from inception to October 2022, e.g., PUBMED and EMBASE. Data extraction and quality evaluation were performed for the references, and meta-analysis was performed on the selected data using Review Manager 5.3.5. The outcomes were analyzed via a random-effect model and presented as mean difference (MD) with 95% confidence intervals (CIs). RESULTS A total of 24 studies and 678 animals were included in this meta-analysis. Rg1 remarkably improved depressive-like symptoms of depressed rodents, including the sucrose preference test (25.08, 95% CI: 20.17-30.00, Z = 10.01, P < 0.00001), forced swimming test (MD = -37.69, 95% CI: (-45.18, -30.2); Z = 9.86, P < 0.00001), and the tail suspension test (MD = -22.93, seconds, 95% CI: (-38.49, -7.37); Z = 2.89, P = 0.004). CONCLUSIONS The main antidepressant mechanism of Rg1 was concluded to be the neurotransmitter system, oxidant stress system, and inflammation. Conclusively, this study indicated the possible protective and therapeutic effects of Rg1 for treating depression via multiple mechanisms.
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Affiliation(s)
- Ya-Ting Wang
- Department of Anatomy, School of Chinese Medicine, Beijing University of Chinese Medicine, Sunshine Southern Avenue, Fang-Shan District, Beijing, 102488, China
| | - Xiao-Le Wang
- Department of Anatomy, School of Chinese Medicine, Beijing University of Chinese Medicine, Sunshine Southern Avenue, Fang-Shan District, Beijing, 102488, China
| | - Lan Lei
- Department of Anatomy, School of Chinese Medicine, Beijing University of Chinese Medicine, Sunshine Southern Avenue, Fang-Shan District, Beijing, 102488, China
| | - Yi Zhang
- Department of Anatomy, School of Chinese Medicine, Beijing University of Chinese Medicine, Sunshine Southern Avenue, Fang-Shan District, Beijing, 102488, China.
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Huang LY, Liu YN, Chen J, Zhu HX, Li LL, Liang ZY, Song JX, Li YJ, Hu ZL, Demon D, Wullaert A, Wang W, Qi SH. Caspase-12 is Expressed in Purkinje Neurons and Prevents Psychiatric-Like Behavior in Mice. Mol Neurobiol 2024:10.1007/s12035-024-04356-5. [PMID: 39023795 DOI: 10.1007/s12035-024-04356-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Accepted: 07/08/2024] [Indexed: 07/20/2024]
Abstract
Caspase-12 is a caspase family member for which functions in regulating cell death and inflammation have previously been suggested. In this study, we used caspase-12 lacZ reporter mice to elucidate the expression pattern of caspase-12 in order to obtain an idea about its possible in vivo function. Strikingly, these reporter mice showed that caspase-12 is expressed explicitly in Purkinje neurons of the cerebellum. As this observation suggested a function for caspase-12 in Purkinje neurons, we analyzed the brain and behavior of caspase-12 deficient mice in detail. Extensive histological analyses showed that caspase-12 was not crucial for establishing cerebellum structure or for maintaining Purkinje cell numbers. We then performed behavioral tests to investigate whether caspase-12 deficiency affects memory, motor, and psychiatric functions in mice. Interestingly, while the absence of caspase-12 did not affect memory and motor function, caspase-12 deficient mice showed depression and hyperactivity tendencies, together resembling manic behavior. Next, suggesting a possible molecular mechanistic explanation, we showed that caspase-12 deficient cerebella harbored diminished signaling through the brain-derived neurotrophic factor/tyrosine kinase receptor B/cyclic-AMP response binding protein axis, as well as strongly enhanced expression of the neuronal activity marker c-Fos. Thus, our study establishes caspase-12 expression in mouse Purkinje neurons and opens novel avenues of research to investigate the role of caspase-12 in regulating psychiatric behavior.
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Affiliation(s)
- Lin-Yan Huang
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, 221004, Jiangsu, People's Republic of China
- VIB Center for Inflammation Research, Zwijnaarde, Belgium
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
| | - Yi-Ning Liu
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, 221004, Jiangsu, People's Republic of China
| | - Jie Chen
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, 221004, Jiangsu, People's Republic of China
- Department of Laboratory Medicine, The Affiliated Hospital of Xuzhou Medical University, Huaihai West Road 99, Xuzhou, 221002, China
| | - Hai-Xue Zhu
- Department of Ophthalmology, The Affiliated Huai'an Hospital of Xuzhou Medical University, No.62 Huaihai South Road, Huai'an, 223001, Jiangsu, People's Republic of China
| | - Li-Li Li
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, 221004, Jiangsu, People's Republic of China
| | - Zhi-Yan Liang
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, 221004, Jiangsu, People's Republic of China
| | - Jin-Xiu Song
- Department of Pharmacology, Xuzhou Medical University, Xuzhou, 221004, Jiangsu, People's Republic of China
| | - Yu-Jie Li
- Department of Clinical Laboratory, Kunshan First People's Hospital, Kunshan, Jiangsu, 215300, People's Republic of China
| | - Zhao-Li Hu
- Research Center for Biochemistry and Molecular Biology and Jiangsu Key Laboratory of Brain Disease Bioinformation, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Dieter Demon
- VIB Center for Inflammation Research, Zwijnaarde, Belgium
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
| | - Andy Wullaert
- VIB Center for Inflammation Research, Zwijnaarde, Belgium
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
- Cell Death Signaling Lab, Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
| | - Wan Wang
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, 221004, Jiangsu, People's Republic of China
| | - Su-Hua Qi
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, 221004, Jiangsu, People's Republic of China.
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da Costa Rodrigues K, da Conceição Oliveira M, Dos Santos BF, de Campos Domingues NL, Fronza MG, Savegnago L, Wilhelm EA, Luchese C. Mechanisms involved in the antidepressant-like action of orally administered 5-((4-methoxyphenyl)thio)benzo[c][1,2,5]thiadiazole (MTDZ) in male and female mice. Psychopharmacology (Berl) 2024:10.1007/s00213-024-06647-0. [PMID: 39008059 DOI: 10.1007/s00213-024-06647-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 07/02/2024] [Indexed: 07/16/2024]
Abstract
RATIONALE The compound 5-((4-methoxyphenyl)thio)benzo[c][1,2,5]thiadiazole (MTDZ) has recently been shown to inhibit in vitro acetylcholinesterase activity, reduce cognitive damage, and improve neuropsychic behavior in mice, making it a promising molecule to treat depression. OBJECTIVES This study investigated the antidepressant-like action of MTDZ in mice and its potential mechanisms of action. RESULTS Molecular docking assays were performed and suggested a potential inhibition of monoamine oxidase A (MAO-A) by MTDZ. The toxicity study revealed that MTDZ displayed no signs of toxicity, changes in oxidative parameters, or alterations to biochemistry markers, even at a high dose of 300 mg/kg. In behavioral tests, MTDZ administration reduced immobility behavior during the forced swim test (FST) without adjusting the climbing parameter, suggesting it has an antidepressant effect. The antidepressant-like action of MTDZ was negated with the administration of 5-HT1A, 5-HT1A/1B, and 5-HT3 receptor antagonists, implying the involvement of serotonergic pathways. Moreover, the antidepressant-like action of MTDZ was linked to the NO system, as L-arginine pretreatment inhibited its activity. The ex vivo assays indicated that MTDZ normalized ATPase activity, potentially linking this behavior to its antidepressant-like action. MTDZ treatment restricted MAO-A activity in the cerebral cortices and hippocampi of mice, proposing a selective inhibition of MAO-A associated with the antidepressant-like effect of the compound. CONCLUSIONS These findings suggest that MTDZ may serve as a promising antidepressant agent due to its selective inhibition of MAO-A and the involvement of serotonergic and NO pathways.
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Affiliation(s)
- Karline da Costa Rodrigues
- Research Laboratory in Biochemical Pharmacology (LaFarBio), Neurobiotechnology Research Group (GPN), Center for Chemical, Pharmaceutical and Food Sciences, Federal University of Pelotas (UFPel), Campus Capão do Leão, Pelotas, RS, CEP 96010-900, Brazil
| | - Meliza da Conceição Oliveira
- Research Laboratory in Biochemical Pharmacology (LaFarBio), Neurobiotechnology Research Group (GPN), Center for Chemical, Pharmaceutical and Food Sciences, Federal University of Pelotas (UFPel), Campus Capão do Leão, Pelotas, RS, CEP 96010-900, Brazil
| | - Beatriz Fuzinato Dos Santos
- Laboratory of Organic Catalysis and Biocatalysis, Federal University of Grande Dourados, Dourados, MS, Brazil
| | | | - Mariana Gallio Fronza
- Graduate Program in Biotechnology (GPN), Technological Development Center, Federal University of Pelotas (UFPel), Pelotas, RS, CEP 96010-900, Brazil
| | - Lucielli Savegnago
- Graduate Program in Biotechnology (GPN), Technological Development Center, Federal University of Pelotas (UFPel), Pelotas, RS, CEP 96010-900, Brazil
| | - Ethel Antunes Wilhelm
- Research Laboratory in Biochemical Pharmacology (LaFarBio), Neurobiotechnology Research Group (GPN), Center for Chemical, Pharmaceutical and Food Sciences, Federal University of Pelotas (UFPel), Campus Capão do Leão, Pelotas, RS, CEP 96010-900, Brazil
| | - Cristiane Luchese
- Research Laboratory in Biochemical Pharmacology (LaFarBio), Neurobiotechnology Research Group (GPN), Center for Chemical, Pharmaceutical and Food Sciences, Federal University of Pelotas (UFPel), Campus Capão do Leão, Pelotas, RS, CEP 96010-900, Brazil.
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Gokalp D, Unal G. The role of mGluR5 on the therapeutic effects of ketamine in Wistar rats. Psychopharmacology (Berl) 2024; 241:1399-1415. [PMID: 38459971 PMCID: PMC11199271 DOI: 10.1007/s00213-024-06571-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 03/04/2024] [Indexed: 03/11/2024]
Abstract
RATIONALE Ketamine produces dissociative, psychomimetic, anxiolytic, antidepressant, and anesthetic effects in a dose dependent manner. It has a complex mechanism of action that involve alterations in other glutamate receptors. The metabotropic glutamate receptor 5 (mGluR5) has been investigated in relation to the psychotic and anesthetic properties of ketamine, while its role in mediating the therapeutic effects of ketamine remains unknown. OBJECTIVES We investigated the role of mGluR5 on the antidepressant, anxiolytic and fear memory-related effects of ketamine in adult male Wistar rats. METHODS Two sets of experiments were conducted. We first utilized the positive allosteric modulator CDPPB to investigate how acute mGluR5 activation regulates the therapeutic effects of ketamine (10 mg/kg). We then tested the synergistic antidepressant effect of mGluR5 antagonism and ketamine by combining MTEP with a sub-effective dose of ketamine (1 mg/kg). Behavioral despair, locomotor activity, anxiety-like behavior, and fear memory were respectively assessed in the forced swim test (FST), open field test (OFT), elevated plus maze (EPM), and auditory fear conditioning. RESULTS Enhancing mGluR5 activity via CDPPB occluded the antidepressant effect of ketamine without changing locomotor activity. Furthermore, concomitant administration of MTEP and ketamine exhibited a robust synergistic antidepressant effect. The MTEP + ketamine treatment, however, blocked the anxiolytic effect observed by sole administration of MTEP or the low dose ketamine. CONCLUSIONS These findings suggest that suppressed mGluR5 activity is required for the antidepressant effects of ketamine. Consequently, the antagonism of mGluR5 enhances the antidepressant effectiveness of low dose ketamine, but eliminates its anxiolytic effects.
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Affiliation(s)
- Dilan Gokalp
- Behavioral Neuroscience Laboratory, Department of Psychology, Boğaziçi University, 34342, Istanbul, Turkey
| | - Gunes Unal
- Behavioral Neuroscience Laboratory, Department of Psychology, Boğaziçi University, 34342, Istanbul, Turkey.
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Bryson N, Alexander R, Asnis-Alibozek A, Ehlers MD. RE104: Synthesis and Activity of a Novel Serotonergic Psychedelic Prodrug of 4-Hydroxy- N, N-diisopropyltryptamine. ACS Chem Neurosci 2024; 15:2386-2395. [PMID: 38758589 PMCID: PMC11191588 DOI: 10.1021/acschemneuro.4c00058] [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: 01/24/2024] [Revised: 04/26/2024] [Accepted: 04/30/2024] [Indexed: 05/18/2024] Open
Abstract
Results from randomized clinical trials of psilocybin in depressive disorders highlight the therapeutic potential of serotonergic psychedelic compounds in mental health disorders. The synthetic 5-hydroxytryptamine 2A receptor agonist 4-hydroxy-N,N-diisopropyltryptamine (4-OH-DiPT) is structurally similar to psilocin but is reported to have a shorter duration (2-3 h) of psychedelic effects, suggesting the potential for psilocybin-like therapeutic activity with reduced clinical resource burden. Here, we describe the preclinical and translational characterization of RE104, a 4-OH-DiPT prodrug comprising a glutarate moiety designed to cleave rapidly in situ and thus provide reasonable bioavailability of the active drug. Plasma concentration of 4-HO-DiPT over time in PK experiments in rats was correlated with head-twitch intensity. The half-life of 4-OH-DiPT was 40 min after subcutaneous administration of RE104 in rats. In a forced swim test, a single dose of RE104 (1 mg/kg) significantly reduced mean immobility time at 1 week compared with vehicle (P < 0.001), confirming translational antidepressant potential. Taken together, these data with RE104 show that the glutarate ester can act as an efficient prodrug strategy for 4-HO-DiPT, a unique short-duration psychedelic with potential in depressive disorders.
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Affiliation(s)
- Nathan Bryson
- Reunion
Neuroscience, Inc., Toronto, Ontario M5V 2C3, Canada
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10
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Akotkar L, Aswar U, Ganeshpurkar A, Rathod K, Bagad P, Gurav S. Phytoconstituents Targeting the Serotonin 5-HT 3 Receptor: Promising Therapeutic Strategies for Neurological Disorders. ACS Pharmacol Transl Sci 2024; 7:1694-1710. [PMID: 38898946 PMCID: PMC11184608 DOI: 10.1021/acsptsci.4c00084] [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: 02/14/2024] [Revised: 05/17/2024] [Accepted: 05/21/2024] [Indexed: 06/21/2024]
Abstract
The 5-hydroxytryptamine-3 receptor (5-HT3R), a subtype of serotonin receptor, is a ligand-gated ion channel crucial in mediating fast synaptic transmission in the central and peripheral nervous systems. This receptor significantly influences various neurological activities, encompassing neurotransmission, mood regulation, and cognitive processing; hence, it may serve as an innovative target for neurological disorders. Multiple studies have revealed promising results regarding the beneficial effects of these phytoconstituents and extracts on conditions such as nausea, vomiting, neuropathic pain depression, anxiety, Alzheimer's disease, cognition, epilepsy, sleep, and dyskinesia via modulation of 5-HT3R in the pathophysiology of neurological disorder. The review delves into a detailed exploration of in silico, in vitro, and in vivo studies and clinical studies that discussed phytoconstituents acting on 5-HT3R and attenuates difficulties in neurological diseases. The diverse mechanisms by which plant-derived phytoconstituents influence 5-HT3R activity offer exciting avenues for developing innovative therapeutic interventions. Besides producing an agonistic or antagonistic effect, some phytoconstituents exert modulatory effects on 5-HT3R activity through multifaceted mechanisms. These include γ-aminobutyric acid and cholinergic neuronal pathways, interactions with neurokinin (NK)-1, NK2, serotonergic, and γ-aminobutyric acid(GABA)ergic systems, dopaminergic influences, and mediation of calcium ions release and inflammatory cascades. Notably, the phytoconstituent's capacity to reduce oxidative stress has also emerged as a significant factor contributing to their modulatory role. Despite the promising implications, there is currently a dearth of exploration needed to understand the effect of phytochemicals on the 5-HT3R. Comprehensive preclinical and clinical research is of the utmost importance to broaden our knowledge of the potential therapeutic benefits associated with these substances.
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Affiliation(s)
- Likhit Akotkar
- Department
of Pharmacology, Poona College of Pharmacy,
Bharati Vidyapeeth (Deemed to be University), Pune 411038, India
| | - Urmila Aswar
- Department
of Pharmacology, Poona College of Pharmacy,
Bharati Vidyapeeth (Deemed to be University), Pune 411038, India
| | - Ankit Ganeshpurkar
- Department
of Pharmaceutical Chemistry, Poona College
of Pharmacy, Bharati Vidyapeeth (Deemed to be University), Pune411038, India
| | - Kundlik Rathod
- Department
of Pharmacology, Poona College of Pharmacy,
Bharati Vidyapeeth (Deemed to be University), Pune 411038, India
| | - Pradnya Bagad
- Department
of Pharmacology, Poona College of Pharmacy,
Bharati Vidyapeeth (Deemed to be University), Pune 411038, India
| | - Shailendra Gurav
- Department
of Pharmacognosy, Goa College of Pharmacy, Goa University, Goa 403001, India
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11
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Kazmi STB, Fatima H, Naz I, Kanwal N, Haq IU. Pre-clinical studies comparing the anti-inflammatory potential of artemisinic compounds by targeting NFκB/TNF-α/NLRP3 and Nrf2/TRX pathways in Balb/C mice. Front Pharmacol 2024; 15:1352827. [PMID: 38910883 PMCID: PMC11190342 DOI: 10.3389/fphar.2024.1352827] [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: 12/08/2023] [Accepted: 04/05/2024] [Indexed: 06/25/2024] Open
Abstract
Artemisinin, artemether, artesunate, and dihydroartemisinin are renowned for their antimalarial potential. The current study aims to repurpose the above-mentioned artemisinic compounds (ACs) by conducting an intercomparison to evaluate their antiinflammatory potential (AIP). In order to develop potential candidates for the evaluation of AIP of ACs (50 and 100 mg/kg BW), carbon tetrachloride (1ml/kg body weight (BW)) was administered intraperitoneally to BALB/c mice. Alterations in animal behavior were assessed weekly through tail suspension test, force swim test, open field test, Y-maze test, inverted screen analysis, and weight lifting test. Aberrations in hematological, serological, endogenous antioxidants, and oxidative stress marker profiles were assessed in all twelve groups. Histological alterations were read using hematoxylin and eosin staining. Levels of inflammatory markers including nuclear factor kappa B (NF-κB), tumor necrosis factor alpha (TNF-α), and nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3), were determined using immunohistochemical analysis (IHCA). Antioxidant markers i.e., nuclear factor erythroid-2-related factor (Nrf-2) and thioredoxin (TRX) were also quantified through IHCA. Comet assay was performed to quantify DNA damage. Oral administration of ACs to mice significantly alleviated the carbon tetrachloride induced inflammation in comparison with silymarin. Reduced levels of several inflammatory markers including nitric oxide, thiobarbituric acid reactive substances, interleukin-1 beta, NF-κB, TNF-α, and NLRP3, underscore the substantial AIP of ACs. IHCA depicted the revitalized percent relative expression of Nrf-2 and TRX in groups treated with ACs. Behavioral analysis revealed that ACs-treated groups significantly (p<0.05) attenuated the memory deficit, anxiety, and depressive-like behavior. Moreover, histopathological, hematological, serological, and endogenous antioxidant profiles indicated substantial AIP of ACs. Findings of comet assay further bolstered the compelling evidence as DNA damage was significantly (p<0.05) curbed down after ACs (100 mg/kg) treatment. All these outcomes implied that ACs exhibited AIP in a dose-dependent manner with maximal AIP imparted by artemisinin (100 mg/kg). This pre-clinical investigation avers the tremendous AIP of ACs targeting key molecular pathways. The current study divulges artemisinin as the most potent antiinflammatory agent among the tested compounds.
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Affiliation(s)
| | - Humaira Fatima
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Iffat Naz
- Department of Biology, College of Science, Qassim University, Almolaydah, Buraydah, Saudi Arabia
| | - Nosheen Kanwal
- Department of Chemistry, College of Science, Qassim University, Almolaydah, Buraydah, Saudi Arabia
| | - Ihsan-ul Haq
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
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12
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Ouyang W, Kilner KJ, Xavier RMP, Liu Y, Lu Y, Feller SM, Pitts KM, Wu M, Ausra J, Jones I, Wu Y, Luan H, Trueb J, Higbee-Dempsey EM, Stepien I, Ghoreishi-Haack N, Haney CR, Li H, Kozorovitskiy Y, Heshmati M, Banks AR, Golden SA, Good CH, Rogers JA. An implantable device for wireless monitoring of diverse physio-behavioral characteristics in freely behaving small animals and interacting groups. Neuron 2024; 112:1764-1777.e5. [PMID: 38537641 PMCID: PMC11256974 DOI: 10.1016/j.neuron.2024.02.020] [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] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 02/08/2024] [Accepted: 02/28/2024] [Indexed: 06/09/2024]
Abstract
Comprehensive, continuous quantitative monitoring of intricately orchestrated physiological processes and behavioral states in living organisms can yield essential data for elucidating the function of neural circuits under healthy and diseased conditions, for defining the effects of potential drugs and treatments, and for tracking disease progression and recovery. Here, we report a wireless, battery-free implantable device and a set of associated algorithms that enable continuous, multiparametric physio-behavioral monitoring in freely behaving small animals and interacting groups. Through advanced analytics approaches applied to mechano-acoustic signals of diverse body processes, the device yields heart rate, respiratory rate, physical activity, temperature, and behavioral states. Demonstrations in pharmacological, locomotor, and acute and social stress tests and in optogenetic studies offer unique insights into the coordination of physio-behavioral characteristics associated with healthy and perturbed states. This technology has broad utility in neuroscience, physiology, behavior, and other areas that rely on studies of freely moving, small animal models.
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Affiliation(s)
- Wei Ouyang
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA; Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA
| | - Keith J Kilner
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA; NeuroLux Inc., Northfield, IL 60093, USA
| | | | - Yiming Liu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | - Yinsheng Lu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | | | - Kayla M Pitts
- Department of Biological Structure, University of Washington, Seattle, WA 98195, USA
| | - Mingzheng Wu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | | | - Ian Jones
- NeuroLux Inc., Northfield, IL 60093, USA
| | - Yunyun Wu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | - Haiwen Luan
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | - Jacob Trueb
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | | | - Iwona Stepien
- Developmental Therapeutics Core, Northwestern University, Evanston, IL 60208, USA
| | | | - Chad R Haney
- Center for Advanced Molecular Imaging, Northwestern University, Evanston, IL 60208, USA
| | - Hao Li
- Department of Psychiatry and Behavioral Sciences, Feinberg School of Medicine, Northwestern University, Evanston, IL 60208, USA; Department of Neuroscience, Feinberg School of Medicine, Northwestern University, Evanston, IL 60208, USA
| | - Yevgenia Kozorovitskiy
- Department of Neurobiology, Northwestern University, Evanston, IL 60208, USA; Chemistry of Life Processes Institute, Northwestern University, Evanston, IL 60208, USA
| | - Mitra Heshmati
- Department of Biological Structure, University of Washington, Seattle, WA 98195, USA; Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), University of Washington, Seattle, WA 98195, USA; Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA 98195, USA
| | - Anthony R Banks
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA; NeuroLux Inc., Northfield, IL 60093, USA
| | - Sam A Golden
- Department of Biological Structure, University of Washington, Seattle, WA 98195, USA; Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), University of Washington, Seattle, WA 98195, USA.
| | - Cameron H Good
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA; NeuroLux Inc., Northfield, IL 60093, USA.
| | - John A Rogers
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA; Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA; Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA; Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA; Department of Chemistry, Northwestern University, Evanston, IL 60208, USA; Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Evanston, IL 60208, USA.
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13
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Shen B, Wang Z, Yu H, Shen X, Li L, Ru Y, Yang C, Du G, Lai C, Gao Y. Medicinal cannabis oil improves anxiety-like and depressive-like behaviors in CCS mice via the BDNF/TRPC6 signaling pathway. Behav Brain Res 2024; 467:115005. [PMID: 38641178 DOI: 10.1016/j.bbr.2024.115005] [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: 02/14/2024] [Revised: 04/10/2024] [Accepted: 04/16/2024] [Indexed: 04/21/2024]
Abstract
BACKGROUND Post-traumatic stress disorder (PTSD) refers to a chronic impairing psychiatric disorder occurring after exposure to the severe traumatic event. Studies have demonstrated that medicinal cannabis oil plays an important role in neuroprotection, but the mechanism by which it exerts anti-PTSD effects remains unclear. METHODS The chronic complex stress (CCS) simulating the conditions of long voyage stress for 4 weeks was used to establish the PTSD mice model. After that, behavioral tests were used to evaluate PTSD-like behaviors in mice. Mouse brain tissue index was detected and hematoxylin-eosin staining was used to assess pathological changes in the hippocampus. The indicators of cell apoptosis and the BDNF/TRPC6 signaling activation in the mice hippocampus were detected by western blotting or real-time quantitative reverse transcription PCR experiments. RESULTS We established the PTSD mice model induced by CCS, which exhibited significant PTSD-like phenotypes, including increased anxiety-like and depression-like behaviors. Medicinal cannabis oil treatment significantly ameliorated PTSD-like behaviors and improved brain histomorphological abnormalities in CCS mice. Mechanistically, medicinal cannabis oil reduced CCS-induced cell apoptosis and enhanced the activation of BDNF/TRPC6 signaling pathway. CONCLUSIONS We constructed a PTSD model with CCS and medicinal cannabis oil that significantly improved anxiety-like and depressive-like behaviors in CCS mice, which may play an anti-PTSD role by stimulating the BDNF/TRPC6 signaling pathway.
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Affiliation(s)
- Baoying Shen
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Zhixing Wang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; Qinghai University, Xining, Qinghai 810016, China
| | - Huijing Yu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Xin Shen
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Lin Li
- Jilin Sihuan Aokang Pharmaceutical Co., Ltd., Jilin 133400, China
| | - Yi Ru
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Chunqi Yang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; Faculty of Environment and Life Science, Beijing University of Technology, Beijing 100124, China
| | - Guangxu Du
- Jilin Sihuan Aokang Pharmaceutical Co., Ltd., Jilin 133400, China
| | - Chengcai Lai
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China.
| | - Yue Gao
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China.
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14
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Wang CK, Kim G, Aleksandrova LR, Panenka WJ, Barr AM. A scoping review of the effects of mushroom and fungus extracts in rodent models of depression and tests of antidepressant activity. Front Pharmacol 2024; 15:1387158. [PMID: 38887548 PMCID: PMC11181029 DOI: 10.3389/fphar.2024.1387158] [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: 02/16/2024] [Accepted: 05/02/2024] [Indexed: 06/20/2024] Open
Abstract
One of the most important developments in psychopharmacology in the past decade has been the emergence of novel treatments for mood disorders, such as psilocybin for treatment-resistant depression. Psilocybin is most commonly found in different species of mushroom; however, the literature on mushroom and fungus extracts with potential antidepressant activity extends well beyond just psilocybin-containing mushrooms, and includes both psychedelic and non-psychedelic species. In the current review, we systematically review the preclinical literature on mushroom and fungus extracts, and their effects of animal models of depression and tests of antidepressant activity. The PICO structure, PRISMA checklist and the Cochrane Handbook for systematic reviews of intervention were used to guide the search strategy. A scoping search was conducted in electronic databases PubMed, CINAHL, Embase and Web of Science. The literature search identified 50 relevant and suitable published studies. These included 19 different species of mushrooms, as well as seven different species of other fungi. Nearly all studies reported antidepressant-like effects of treatment with extracts. Treatments were most commonly delivered orally, in both acute and chronically administered studies to predominantly male rodents. Multiple animal models of depression were used, the most common being unpredictable chronic mild stress, while the tail suspension test and forced swim test were most frequently used as standalone antidepressant screens. Details on each experiment with mushroom and fungus species are discussed in detail, while an evaluation is provided of the strengths and weaknesses of these studies.
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Affiliation(s)
- Catherine K. Wang
- Department of Anesthesiology, Pharmacology and Therapeutics, Faculty of Medicine, University of British Columbia (UBC), Vancouver, BC, Canada
- British Columbia Mental Health and Substance Use Services Research Institute, Vancouver, BC, Canada
| | - Gio Kim
- Department of Anesthesiology, Pharmacology and Therapeutics, Faculty of Medicine, University of British Columbia (UBC), Vancouver, BC, Canada
- British Columbia Mental Health and Substance Use Services Research Institute, Vancouver, BC, Canada
| | - Lily R. Aleksandrova
- Department of Psychiatry, Faculty of Medicine, Canada Faculty of Pharmaceutical Sciences, UBC, Vancouver, BC, Canada
| | - William J. Panenka
- British Columbia Mental Health and Substance Use Services Research Institute, Vancouver, BC, Canada
- Department of Psychiatry, Faculty of Medicine, Canada Faculty of Pharmaceutical Sciences, UBC, Vancouver, BC, Canada
| | - Alasdair M. Barr
- Department of Anesthesiology, Pharmacology and Therapeutics, Faculty of Medicine, University of British Columbia (UBC), Vancouver, BC, Canada
- British Columbia Mental Health and Substance Use Services Research Institute, Vancouver, BC, Canada
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15
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Kim S, Yang S, Kim J, Chung KW, Jung YS, Chung HY, Lee J. Glucocorticoid Receptor Down-Regulation Affects Neural Stem Cell Proliferation and Hippocampal Neurogenesis. Mol Neurobiol 2024; 61:3198-3211. [PMID: 37979034 DOI: 10.1007/s12035-023-03785-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: 09/14/2023] [Accepted: 11/07/2023] [Indexed: 11/19/2023]
Abstract
Dysregulation of the hypothalamic-pituitary-adrenal axis and abnormalities in the glucocorticoid receptor (GR) have been linked to major depressive disorder. Given the critical role of GR in stress response regulation, we investigated the impact of GR changes on neural stem cells (NSCs) proliferation and hippocampal neurogenesis. Stress response was induced using dexamethasone (DEX), a GR agonist, which led to reduced proliferation of neural stem cells and neural progenitor cells, as well as decreased expression of GR. Additionally, a reduction of serum concentration within the culture media resulted in suppressed cell proliferation, accompanied by decreased GR expression. The association between GR expression and cell proliferation was further confirmed through GR siRNA knockdown and overexpression experiments. Furthermore, in vivo studies utilizing young male C57BL/6 mice demonstrated that corticosterone (CORT) (35 μg/ml) administered through drinking water for four weeks induced depression-like behavior, as indicated by increased immobility times in forced swimming and tail suspension tests. CORT exposure led to reduced GR and nestin expression levels, along with diminished numbers of BrdU-positive cells in the hippocampi, indicating impaired hippocampal neurogenesis. Taken together, our findings provide the first evidence that stress-induced downregulation of GR negatively affects neurogenesis by inhibiting NSCs proliferation.
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Affiliation(s)
- Seoyeong Kim
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan, 46241, Republic of Korea
| | - Seonguk Yang
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan, 46241, Republic of Korea
| | - Jaehoon Kim
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan, 46241, Republic of Korea
| | - Ki Wung Chung
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan, 46241, Republic of Korea
| | - Young-Suk Jung
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan, 46241, Republic of Korea
| | - Hae Young Chung
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan, 46241, Republic of Korea
| | - Jaewon Lee
- Department of Pharmacy, College of Pharmacy, Research Institute for Drug Development, Pusan National University, Busan, 46241, Republic of Korea.
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16
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Schafer RM, Giancotti LA, Davis DJ, Larrea IG, Farr SA, Salvemini D. Behavioral characterization of G-protein-coupled receptor 160 knockout mice. Pain 2024; 165:1361-1371. [PMID: 38198232 PMCID: PMC11090760 DOI: 10.1097/j.pain.0000000000003136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 09/23/2023] [Indexed: 01/12/2024]
Abstract
ABSTRACT Neuropathic pain is a devastating condition where current therapeutics offer little to no pain relief. Novel nonnarcotic therapeutic targets are needed to address this growing medical problem. Our work identified the G-protein-coupled receptor 160 (GPR160) as a potential target for therapeutic intervention. However, the lack of small-molecule ligands for GPR160 hampers our understanding of its role in health and disease. To address this void, we generated a global Gpr160 knockout (KO) mouse using CRISPR-Cas9 genome editing technology to validate the contributions of GPR160 in nociceptive behaviors in mice. Gpr160 KO mice are healthy and fertile, with no observable physical abnormalities. Gpr160 KO mice fail to develop behavioral hypersensitivities in a model of neuropathic pain caused by constriction of the sciatic nerve. On the other hand, responses of Gpr160 KO mice in the hot-plate and tail-flick assays are not affected. We recently deorphanized GPR160 and identified cocaine- and amphetamine-regulated transcript peptide (CARTp) as a potential ligand. Using Gpr160 KO mice, we now report that the development of behavioral hypersensitivities after intrathecal or intraplantar injections of CARTp are dependent on GPR160. Cocaine- and amphetamine-regulated transcript peptide plays a role in various affective behaviors, such as anxiety, depression, and cognition. There are no differences in learning, memory, and anxiety between Gpr160 KO mice and their age-matched and sex-matched control floxed mice. Results from these studies support the pronociceptive roles of CARTp/GPR160 and GPR160 as a potential therapeutic target for treatment of neuropathic pain.
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Affiliation(s)
- Rachel M Schafer
- Department of Pharmacology and Physiology School of Medicine and Institute for Translational Neuroscience, Saint Louis University School of Medicine, 1402 South Grand Blvd. 63104, St. Louis, Missouri, USA
| | - Luigino A Giancotti
- Department of Pharmacology and Physiology School of Medicine and Institute for Translational Neuroscience, Saint Louis University School of Medicine, 1402 South Grand Blvd. 63104, St. Louis, Missouri, USA
| | - Daniel J Davis
- Animal Modeling Core, University of Missouri, Columbia, Missouri, USA
| | - Ivonne G Larrea
- Department of Pharmacology and Physiology School of Medicine and Institute for Translational Neuroscience, Saint Louis University School of Medicine, 1402 South Grand Blvd. 63104, St. Louis, Missouri, USA
| | - Susan A Farr
- Department of Pharmacology and Physiology School of Medicine and Institute for Translational Neuroscience, Saint Louis University School of Medicine, 1402 South Grand Blvd. 63104, St. Louis, Missouri, USA
- Department of Internal Medicine-Geriatrics, Saint Louis School of Medicine, St. Louis, MO, USA
- VA Medical Center, St Louis. MO 63106, USA
| | - Daniela Salvemini
- Department of Pharmacology and Physiology School of Medicine and Institute for Translational Neuroscience, Saint Louis University School of Medicine, 1402 South Grand Blvd. 63104, St. Louis, Missouri, USA
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17
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da Silva RPB, Pinheiro IL, da Silva RKB, Moretti EC, de Oliveira Neto OB, Ferraz-Pereira K, Galindo LCM. Social isolation and post-weaning environmental enrichment effects on rat emotional behavior and serotonergic system. Int J Dev Neurosci 2024; 84:265-280. [PMID: 38526313 DOI: 10.1002/jdn.10324] [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: 10/08/2023] [Revised: 01/29/2024] [Accepted: 02/20/2024] [Indexed: 03/26/2024] Open
Abstract
Social isolation (SI) is related to adverse neurobehavioral effects and neurochemical changes when it occurs early in development. On the other hand, environmental enrichment (EE) is associated with a reduction in anxiety-like and depression-like behavior, as well as an increase in serotonin (5-HT) levels in the prefrontal cortex and hippocampus in rodents. This study systematically reviewed the effects of SI and EE on emotional behavior and serotonergic system components in rats after weaning. Primary experimental studies that used subgroups of rats subjected to SI, EE, and normal social conditions after weaning were considered eligible. Studies that used transgenic rodents, ex vivo studies, in vitro studies, human research, or in silico studies were ineligible. Two authors completed searches in Medline/PubMed, LILACS, Scopus, Web of Science, EMBASE, and Open Gray. The Kappa index was calculated to assess agreement between reviewers and assess study quality. The results showed that the animals exposed to EE showed better adaptation to a new environment. Furthermore, EE increased 5-HT levels in the hippocampus and prefrontal cortex of rodents. Thus, it appears that an EE during the critical period of development may reduce anxiety/depression-like behaviors, as well as increase long-term neurotransmitter response.
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Affiliation(s)
- Roxana Patrícia Bezerra da Silva
- Post-Graduate Program in Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão, Brazil
| | - Isabeli Lins Pinheiro
- Post-Graduate Program in Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão, Brazil
- Nutrition and Phenotypic Plasticity Study Unit, Department of Nutrition, Federal University of Pernambuco, Recife, Brazil
| | - Regina Katiuska Bezerra da Silva
- Post-Graduate Program in Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão, Brazil
| | | | | | - Kelli Ferraz-Pereira
- Nutrition and Phenotypic Plasticity Study Unit, Department of Nutrition, Federal University of Pernambuco, Recife, Brazil
- Department Speech Therapy, Federal University of Pernambuco, Recife, Brazil
| | - Lígia Cristina Monteiro Galindo
- Post-Graduate Program in Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão, Brazil
- Nutrition and Phenotypic Plasticity Study Unit, Department of Nutrition, Federal University of Pernambuco, Recife, Brazil
- Department of Anatomy, Federal University of Pernambuco, Recife, Brazil
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18
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Swamy RS, Kumar N, Shenoy S, Kumar N, Rao V. Effect of naringin on sodium fluoride‑induced neurobehavioral deficits in Wistar rats. Biomed Rep 2024; 20:97. [PMID: 38765862 PMCID: PMC11099606 DOI: 10.3892/br.2024.1785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 03/12/2024] [Indexed: 05/22/2024] Open
Abstract
There is a lack of treatment for the detrimental effects of fluorosis. Sodium fluoride at a concentration of 10 ppm induces stress, depression and memory impairment in adult Wistar rats. Naringin, a flavanone glycoside isolated from citrus fruits such as lemons and oranges, possesses anti-inflammatory, antioxidant and neuroprotective properties; therefore, it was used for treatment of fluoride induced toxicity in the present study. Adult Wistar rats were divided into eight groups (n=8). The normal control (NOR) group was provided with normal tap water. The sodium fluoride (FLU)10 group received water containing 10 ppm sodium fluoride for 60 days. The treatment groups (FLU10NAR100 and FLU10NAR50) received drinking water with 10 ppm sodium fluoride ad libitum along with Naringin 100 and 50 mg/kg body weight (bw) per oral gavage, respectively. The NAR100 and NAR50 groups received Naringin 100 and 50 mg/kg bw. The PRONAR100 and PRONAR50 groups received Naringin 100 and 50 mg/kg bw for the first 15 days and then subsequently received FLU10 ppm for 60 days (total of 75 days). All animals were subjected to behavioural tests consisting of the open field test (OFT), forced swim test (FST) and novel object recognition test (NORT). After euthanasia, the hippocampus and prefrontal cortex were stained with Cresyl violet. To measure the oxidative stress caused by fluoride and its effect on antioxidant levels, estimation of reduced glutathione (GSH) by Ellman's method, lipid peroxidation (LPO) measured in terms of the MDA:thiobarbituric acid reaction and catalase was performed. To evaluate the effect of fluoride on activity of acetylcholine, estimation of acetylcholinesterase (AChE) by Ellman's method was performed. In NORT and FST, significant changes (P<0.05) were present in the FLU10NAR100 and FLU10NAR50 groups compared with the FLU10 group, showing recovery from memory deficit and depression. The OFT results were insignificant. The LPO was reduced in all the other groups except the FLU10 group, with statistically significant changes. Catalase activity was significantly lower in FLU10 as compared with the NAR100, NAR50, PRONAR100 and PRONAR50 groups. GSH and AChE activities did not show significant changes as compared with the FLU10 group. The CA3 and prefrontal cortex viable and degenerated neuron count in the FLU10 group were insignificant compared with all other groups, except for the NAR100 and NAR50 groups. Thus, Naringin can be a useful drug to avoid the neurological effects of fluoride.
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Affiliation(s)
- Ravindra Shantakumar Swamy
- Division of Anatomy, Department of Basic Medical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Nitesh Kumar
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research-Hajipur, Hajipur, Bihar 844102, India
| | - Smita Shenoy
- Department of Pharmacology, Kasturba Medical College-Manipal, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Naveen Kumar
- Department of Anatomy, Ras Al Khaimah College of Medical Sciences, Ras Al Khaimah Medical and Health Sciences University, Ras Al Khaimah 11172, United Arab Emirates
| | - Vanishree Rao
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
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Magalhães DM, Stewart NA, Mampay M, Rolle SO, Hall CM, Moeendarbary E, Flint MS, Sebastião AM, Valente CA, Dymond MK, Sheridan GK. The sphingosine 1-phosphate analogue, FTY720, modulates the lipidomic signature of the mouse hippocampus. J Neurochem 2024; 168:1113-1142. [PMID: 38339785 DOI: 10.1111/jnc.16073] [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: 08/17/2023] [Revised: 12/27/2023] [Accepted: 01/22/2024] [Indexed: 02/12/2024]
Abstract
The small-molecule drug, FTY720 (fingolimod), is a synthetic sphingosine 1-phosphate (S1P) analogue currently used to treat relapsing-remitting multiple sclerosis in both adults and children. FTY720 can cross the blood-brain barrier (BBB) and, over time, accumulate in lipid-rich areas of the central nervous system (CNS) by incorporating into phospholipid membranes. FTY720 has been shown to enhance cell membrane fluidity, which can modulate the functions of glial cells and neuronal populations involved in regulating behaviour. Moreover, direct modulation of S1P receptor-mediated lipid signalling by FTY720 can impact homeostatic CNS physiology, including neurotransmitter release probability, the biophysical properties of synaptic membranes, ion channel and transmembrane receptor kinetics, and synaptic plasticity mechanisms. The aim of this study was to investigate how chronic FTY720 treatment alters the lipid composition of CNS tissue in adolescent mice at a key stage of brain maturation. We focused on the hippocampus, a brain region known to be important for learning, memory, and the processing of sensory and emotional stimuli. Using mass spectrometry-based lipidomics, we discovered that FTY720 increases the fatty acid chain length of hydroxy-phosphatidylcholine (PCOH) lipids in the mouse hippocampus. It also decreases PCOH monounsaturated fatty acids (MUFAs) and increases PCOH polyunsaturated fatty acids (PUFAs). A total of 99 lipid species were up-regulated in the mouse hippocampus following 3 weeks of oral FTY720 exposure, whereas only 3 lipid species were down-regulated. FTY720 also modulated anxiety-like behaviours in young mice but did not affect spatial learning or memory formation. Our study presents a comprehensive overview of the lipid classes and lipid species that are altered in the hippocampus following chronic FTY720 exposure and provides novel insight into cellular and molecular mechanisms that may underlie the therapeutic or adverse effects of FTY720 in the central nervous system.
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Affiliation(s)
- Daniela M Magalhães
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Lisboa, Portugal
- School of Applied Sciences, University of Brighton, Brighton, UK
| | | | - Myrthe Mampay
- School of Applied Sciences, University of Brighton, Brighton, UK
| | - Sara O Rolle
- Green Templeton College, University of Oxford, Oxford, UK
| | - Chloe M Hall
- School of Applied Sciences, University of Brighton, Brighton, UK
- Department of Mechanical Engineering, University College London, London, UK
| | - Emad Moeendarbary
- Department of Mechanical Engineering, University College London, London, UK
- 199 Biotechnologies Ltd, London, UK
| | - Melanie S Flint
- School of Applied Sciences, University of Brighton, Brighton, UK
| | - Ana M Sebastião
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Lisboa, Portugal
| | - Cláudia A Valente
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Lisboa, Portugal
| | - Marcus K Dymond
- School of Applied Sciences, University of Brighton, Brighton, UK
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20
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Campbell HM, Guo JD, Kuhn CM. Applying the Research Domain Criteria to Rodent Studies of Sex Differences in Chronic Stress Susceptibility. Biol Psychiatry 2024:S0006-3223(24)01351-9. [PMID: 38821193 DOI: 10.1016/j.biopsych.2024.05.016] [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: 10/10/2023] [Revised: 04/27/2024] [Accepted: 05/17/2024] [Indexed: 06/02/2024]
Abstract
Women have a 2-fold increased rate of stress-associated psychiatric disorders such as depression and anxiety, but the mechanisms that underlie this increased susceptibility remain incompletely understood. Historically, female subjects were excluded from preclinical studies and clinical trials. Additionally, chronic stress paradigms used to study psychiatric pathology in animal models were developed for use in males. However, recent changes in National Institutes of Health policy encourage inclusion of female subjects, and considerable work has been performed in recent years to understand biological sex differences that may underlie differences in susceptibility to chronic stress-associated psychiatric conditions. Here, we review the utility as well as current challenges of using the framework of the National Institute of Mental Health's Research Domain Criteria as a transdiagnostic approach to study sex differences in rodent models of chronic stress including recent progress in the study of sex differences in the neurobehavioral domains of negative valence, positive valence, cognition, social processes, and arousal.
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Affiliation(s)
- Hannah M Campbell
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina
| | - Jessica D Guo
- Duke University School of Medicine, Durham, North Carolina
| | - Cynthia M Kuhn
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina; Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina.
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21
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Xu J, Zhou L, Chen Z, Wang Y, Xu F, Kuang Q, Zhang Y, Zheng H. Bacillus coagulans and Clostridium butyricum synergistically alleviate depression in a chronic unpredictable mild stress mouse model through altering gut microbiota and prefrontal cortex gene expression. Front Pharmacol 2024; 15:1393874. [PMID: 38855745 PMCID: PMC11158626 DOI: 10.3389/fphar.2024.1393874] [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: 02/29/2024] [Accepted: 04/22/2024] [Indexed: 06/11/2024] Open
Abstract
Introduction: The prevalence of major depressive disorder (MDD) has gradually increased and has attracted widespread attention. The aim of this study was to investigate the effect of a probiotic compound consisting of Bacillus coagulans and Clostridium butyricum, on a mouse depression model. Methods: Mice were subjected to chronic unpredictable mild stress (CUMS) and then treated with the probiotics at different concentrations. And mice received behavior test such as forced swimming test and tail suspension test. After that, all mice were sacrificed and the samples were collected for analysis. Moreover, prefrontal cortex (PFC) gene expression and the gut microbiota among different groups were also analyzed. Results: Probiotics improved depressive-like behavior in CUMS mice, as indicated by decreased immobility time (p < 0.05) in the forced swimming test and tail suspension test. probiotics intervention also increased the level of 5-hydroxytryptamine (5-HT) in the prefrontal cortex and decreased the adrenocorticotropic hormone (ACTH) level in serum. In addition, by comparing the PFC gene expression among different groups, we found that the genes upregulated by probiotics were enriched in the PI3K-Akt signaling pathway in the prefrontal cortex. Moreover, we found that downregulated genes in prefrontal cortex of CUMS group such as Sfrp5 and Angpt2, which were correlated with depression, were reversed by the probiotics. Furthermore, the probiotics altered the structure of the gut microbiota, and reversed the reduction of cob(II)yrinate a,c-diamide biosynthesis I pathway in CUMS group. Several species like Bacteroides caecimuris and Parabacteroides distasoni, whose abundance was significantly decreased in the CUMS group but reversed after the probiotics intervention, showed significantly positive correlation with depression associated genes such as Tbxas1 and Cldn2. Discussion: These findings suggested that CUMS-induced depression-like behavior can be alleviated by the probiotics, possibly through alterations in the PFC gene expression and gut microbiota.
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Affiliation(s)
- Jingyi Xu
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Lei Zhou
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
| | - Zhaowei Chen
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
| | - Yuezhu Wang
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
| | - Fang Xu
- The Academician Workstation, Shanghai Fourth People’s Hospital Affiliated to Tongji University, Shanghai, China
| | - Qun Kuang
- Jiangsu Limited Company of Suwei Microbiology, Wuxi, China
| | - Yixuan Zhang
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Huajun Zheng
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
- The Academician Workstation, Shanghai Fourth People’s Hospital Affiliated to Tongji University, Shanghai, China
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22
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Mir M, Khan AU, Khan A. Pharmacological investigation of taxifolin for its therapeutic potential in depression. Heliyon 2024; 10:e30467. [PMID: 38694040 PMCID: PMC11061746 DOI: 10.1016/j.heliyon.2024.e30467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 04/26/2024] [Accepted: 04/26/2024] [Indexed: 05/03/2024] Open
Abstract
The current study aimed to investigate the influence of taxifolin on depression symptoms alleviation in Male Sprague-Dawley rats by targeting underlying pathways of depression. Molecular docking analyses were conducted to validate taxifolin's binding affinities against various targets. In silico analysis of taxifolin revealed various aspects of post docking interactions with different protein targets. Depression was induced in rats via intraperitoneal injection of Lipopolysaccharide (LPS; 500 μ g/Kg) for 14 alternative days. Rats (n = 6/group) were randomly assigned to four groups: (i) Saline/Control, (ii) Disease (LPS 500 μg/kg), (iii) Standard (fluoxetine 20 mg/kg), and (iv) Treatment (taxifolin 20 mg/kg). At the end of the in vivo study, brain samples were used for biochemical and morphological analysis. Taxifolin exhibited neuroprotective effects, as evidenced by behavioral studies, antioxidant analysis, histopathological examination, immunohistochemistry, ELISA and RT PCR, indicating an increase number of surviving neurons, normalization of cell size and shape, and reduction in vacuolization. Taxifolin also decreased inflammatory markers such as TNF-α, NF-κb, IL-6 and COX-2, while significantly upregulating and activating the protective PPAR-γ pathway, through which it reduces the oxidative stress, neuroinflammation, neurodegeneration, thereby ameliorating depression symptoms in experimental rat model of depression. Our finding suggests that taxifolin act as neuroprotective agent partially mediated through PPAR-γ pathway.
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Affiliation(s)
- Maha Mir
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Arif-ullah Khan
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Aslam Khan
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
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23
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Gray NE, Hack W, Brandes MS, Zweig JA, Yang L, Marney L, Choi J, Magana AA, Cerruti N, McFerrin J, Koike S, Nguyen T, Raber J, Quinn JF, Maier CS, Soumyanath A. Amelioration of age-related cognitive decline and anxiety in mice by Centella asiatica extract varies by sex, dose and mode of administration. FRONTIERS IN AGING 2024; 5:1357922. [PMID: 38770167 PMCID: PMC11102990 DOI: 10.3389/fragi.2024.1357922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 04/10/2024] [Indexed: 05/22/2024]
Abstract
Background: A water extract (CAW) of the Ayurvedic plant Centella asiatica administered in drinking water has been shown to improve cognitive deficits in mouse models of aging and neurodegenerative diseases. Here the effects of CAW administered in drinking water or the diet on cognition, measures of anxiety and depression-like behavior in healthy aged mice are compared. Methods: Three- and eighteen-month-old male and female C57BL6 mice were administered rodent AIN-93M diet containing CAW (0, 0.2, 0.5 or 1% w/w) to provide 0, 200 mg/kg/d, 500 mg/kg/d or 1,000 mg/kg/d CAW for a total of 5 weeks. An additional group of eighteen-month-old mice were treated with CAW (10 mg/mL) in their drinking water CAW for a total of 5 weeks to deliver the same exposure of CAW as the highest dietary dose (1,000 mg/kg/d). CAW doses delivered were calculated based on food and water consumption measured in previous experiments. In the fourth and fifth weeks, mice underwent behavioral testing of cognition, anxiety and depression (n = 12 of each sex per treatment group in each test). Results: Aged mice of both sexes showed cognitive deficits relative to young mice while only female aged mice showed increased anxiety compared to the young female mice and no differences in depression were observed between the different ages. CAW (1,000 mg/kg/d) in the drinking water improved deficits in aged mice in learning, executive function and recognition memory in both sexes and attenuated the increased measures of anxiety observed in the aged female mice. However, CAW in the diet only improved executive function in aged mice at the highest dose (1,000 mg/kg/d) in both sexes and did so less robustly than when given in the water. There were no effects of CAW on depression-like behavior in aged animals regardless of whether it was administered in the diet or the water. Conclusions: These results suggest that CAW can ameliorate age-related changes in measures of anxiety and cognition and that the mode of administration is important for the effects of CAW on resilience to these age-related changes.
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Affiliation(s)
- Nora E. Gray
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Neurology, Oregon Health & Science University, Portland, OR, United States
| | - Wyatt Hack
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Neurology, Oregon Health & Science University, Portland, OR, United States
| | - Mikah S. Brandes
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Neurology, Oregon Health & Science University, Portland, OR, United States
| | - Jonathan A. Zweig
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Neurology, Oregon Health & Science University, Portland, OR, United States
| | - Liping Yang
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Chemistry, Oregon State University, Corvallis, OR, United States
| | - Luke Marney
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Chemistry, Oregon State University, Corvallis, OR, United States
| | - Jaewoo Choi
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Chemistry, Oregon State University, Corvallis, OR, United States
| | - Armando Alcazar Magana
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Chemistry, Oregon State University, Corvallis, OR, United States
| | - Natasha Cerruti
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Oregon’s Wild Harvest, Redmond, OR, United States
| | - Janis McFerrin
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Oregon’s Wild Harvest, Redmond, OR, United States
| | - Seiji Koike
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- School of Public Health, Oregon Health & Science University-Portland State University, Portland, OR, United States
| | - Thuan Nguyen
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- School of Public Health, Oregon Health & Science University-Portland State University, Portland, OR, United States
| | - Jacob Raber
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, United States
| | - Joseph F. Quinn
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Neurology, Oregon Health & Science University, Portland, OR, United States
- Parkinson’s Disease Research Education and Clinical Care Center, Veterans’ Administration Portland Healthcare System, Portland, OR, United States
| | - Claudia S. Maier
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Chemistry, Oregon State University, Corvallis, OR, United States
- Linus Pauling Institute, Oregon State University, Corvallis, OR, United States
| | - Amala Soumyanath
- BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR, United States
- Department of Neurology, Oregon Health & Science University, Portland, OR, United States
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24
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Gencturk S, Unal G. Rodent tests of depression and anxiety: Construct validity and translational relevance. COGNITIVE, AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2024; 24:191-224. [PMID: 38413466 PMCID: PMC11039509 DOI: 10.3758/s13415-024-01171-2] [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: 02/03/2024] [Indexed: 02/29/2024]
Abstract
Behavioral testing constitutes the primary method to measure the emotional states of nonhuman animals in preclinical research. Emerging as the characteristic tool of the behaviorist school of psychology, behavioral testing of animals, particularly rodents, is employed to understand the complex cognitive and affective symptoms of neuropsychiatric disorders. Following the symptom-based diagnosis model of the DSM, rodent models and tests of depression and anxiety focus on behavioral patterns that resemble the superficial symptoms of these disorders. While these practices provided researchers with a platform to screen novel antidepressant and anxiolytic drug candidates, their construct validity-involving relevant underlying mechanisms-has been questioned. In this review, we present the laboratory procedures used to assess depressive- and anxiety-like behaviors in rats and mice. These include constructs that rely on stress-triggered responses, such as behavioral despair, and those that emerge with nonaversive training, such as cognitive bias. We describe the specific behavioral tests that are used to assess these constructs and discuss the criticisms on their theoretical background. We review specific concerns about the construct validity and translational relevance of individual behavioral tests, outline the limitations of the traditional, symptom-based interpretation, and introduce novel, ethologically relevant frameworks that emphasize simple behavioral patterns. Finally, we explore behavioral monitoring and morphological analysis methods that can be integrated into behavioral testing and discuss how they can enhance the construct validity of these tests.
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Affiliation(s)
- Sinem Gencturk
- Behavioral Neuroscience Laboratory, Department of Psychology, Boğaziçi University, 34342, Istanbul, Turkey
| | - Gunes Unal
- Behavioral Neuroscience Laboratory, Department of Psychology, Boğaziçi University, 34342, Istanbul, Turkey.
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25
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Arrabal-Gómez C, Serrano-Castro P, Sánchez-Pérez JA, Garcia-Casares N, Fuxe K, Borroto-Escuela D, Narváez M. Potentiation of antidepressant effects: NPY1R agonist and ketamine synergy enhances TrkB signaling and neurogenesis in the ventral hippocampus. Expert Opin Ther Targets 2024; 28:309-322. [PMID: 38626283 DOI: 10.1080/14728222.2024.2342524] [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: 03/04/2024] [Accepted: 04/05/2024] [Indexed: 04/18/2024]
Abstract
BACKGROUND Major Depressive Disorder (MDD) poses a significant challenge to global health, with current treatments often limited by efficacy and onset delays. This study explores the synergistic antidepressant-like effects of an NPY1R agonist and Ketamine, targeting their neurobiological interactions within the ventral hippocampus. RESEARCH DESIGN AND METHODS Utilizing a preclinical model, this study administered Neuropeptide Y receptor 1 (NPY1R) agonist and Ketamine, both separately and in combination, through intracerebroventricular (icv) and intranasal (i.n.) routes. The Forced Swimming Test (FST) was employed to assess antidepressant-like activity, while in situ Proximity Ligation Assay and immunohistochemistry were used to examine NPY1R/TrkB heteroreceptor complexes and BDNF expression in the ventral dentate gyrus (DG), along with neurogenesis markers. RESULTS The combined treatment significantly reduced immobility in the FST, indicative of enhanced antidepressant-like effects, correlated with increased formation of NPY1R/TrkB complex and brain-derived neurotrophic factor (BDNF) expression in the ventral DG. These molecular alterations were associated with increased neurogenesis. CONCLUSIONS The coadministration of an NPY1R agonist and Ketamine in a rodent model demonstrated potentiated antidepressant responses through synergistic neurobiological pathways, including TrkB signaling and hippocampal neurogenesis. This indicates a novel therapeutic strategy for MDD, warranting further clinical investigation to fully understand its implications.
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Affiliation(s)
- Carlos Arrabal-Gómez
- Instituto de Investigación Biomédica de Málaga, NeuronLab, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
- Instituto de Investigación Biomédica de Málaga, Unit of Neurology, Hospital Regional Universitario de Málaga, Málaga, Spain
- Vithas Málaga, Grupo Hospitalario Vithas, Málaga, Spain
- Instituto de Investigación Biomédica de Málaga, Facultad de Psicología, Universidad de Málaga, Málaga, Spain
| | - Pedro Serrano-Castro
- Instituto de Investigación Biomédica de Málaga, NeuronLab, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
- Instituto de Investigación Biomédica de Málaga, Unit of Neurology, Hospital Regional Universitario de Málaga, Málaga, Spain
- Vithas Málaga, Grupo Hospitalario Vithas, Málaga, Spain
| | - Jose Andrés Sánchez-Pérez
- Instituto de Investigación Biomédica de Málaga, NeuronLab, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
- Instituto de Investigación Biomédica de Málaga, Unit of Psychiatry, Hospital Universitario Virgen de la Victoria, Malaga, Spain
| | - Natalia Garcia-Casares
- Instituto de Investigación Biomédica de Málaga, NeuronLab, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
| | - Kjell Fuxe
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Dasiel Borroto-Escuela
- Instituto de Investigación Biomédica de Málaga, NeuronLab, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
- Receptomics and Brain disorders lab, Edificio Lopez-Peñalver, Instituto de Investigación Biomédica de Málaga, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
| | - Manuel Narváez
- Instituto de Investigación Biomédica de Málaga, NeuronLab, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
- Instituto de Investigación Biomédica de Málaga, Unit of Neurology, Hospital Regional Universitario de Málaga, Málaga, Spain
- Vithas Málaga, Grupo Hospitalario Vithas, Málaga, Spain
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26
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Andreeva-Gateva P, Hristov M, Strokova-Stoilova M, Ivanova N, Sabit Z, Surcheva S, Beliakov M, Karakashev G, Sukhov I, Belinskaya D, Shestakova N. Therapeutic potential of orally applied KB-R7943 in streptozotocin-induced neuropathy in rats. Heliyon 2024; 10:e27367. [PMID: 38524546 PMCID: PMC10958225 DOI: 10.1016/j.heliyon.2024.e27367] [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: 10/05/2023] [Revised: 02/12/2024] [Accepted: 02/28/2024] [Indexed: 03/26/2024] Open
Abstract
Both peripheral neuropathy and depression can be viewed as neurodegeneration's consequences of diabetes, at least in part coexisting with or resulting from sodium-calcium dysbalance. This study aims to assess the therapeutic potential of the orally applied reverse-mode inhibitor of the sodium-calcium exchanger (NCX) KB-R7943 in the streptozotocin (STZ) diabetes model in rats. A pilot pharmacokinetic (PK) study with high-performance liquid chromatography with high-resolution tandem mass spectrometric detection revealed higher drug exposure (AUC), lower volume of distribution (Vd) and clearance (Cl), and faster decline of the plasma concentration (ƛ) in rats with diabetes vs. controls. Brain and heart accumulation and urinary excretion of the unmetabolized KB-R7943 at least 24 h were also demonstrated in all rats. However, heart and hippocampus KB-R7943 penetration (AUCtissue/AUCplasma) was higher in controls vs. diabetic rats. The development of thermal, mechanical, and chemical-induced allodynia was assessed with the Cold plate test (CPT), Randall-Stiletto (R-S) test, and 0.5% formalin test (FT). Amitriptyline 10 mg/kg, KB-R7943 5 mg/kg, or 10 mg/kg p.o once daily was applied from the 28th to the 49th day. The body weight, coat status, CPT, R-S, and FT were evaluated on days (-5), 0, and 42. On day 41, a forced swim test and 24-h spontaneous physical activities were assessed. The chronic treatment effects were calculated as % of the maximum. A dose-depended amelioration of neuropathic and depression-like effects was demonstrated. The oral application of KB-R7943 for potentially treating neurodegenerative consequences of diabetes merits further studies. The brain, heart, and kidneys are essential contributors to the PKs of this drug, and their safety involvement needs to be further characterized.
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Affiliation(s)
- Pavlina Andreeva-Gateva
- Department of Pharmacology and Toxicology, Faculty of Medicine, Medical University of Sofia, Bulgaria
| | - Milen Hristov
- Department of Pharmacology and Toxicology, Faculty of Medicine, Medical University of Sofia, Bulgaria
| | | | - Natasha Ivanova
- Department of Pharmacology and Toxicology, Faculty of Medicine, Medical University of Sofia, Bulgaria
- Institute of Neurobiology, BAS, Bulgaria
| | - Zafer Sabit
- Department of Pathophysiology, Faculty of Medicine, Medical University of Sofia, Bulgaria
| | - Slavina Surcheva
- Department of Pharmacology and Toxicology, Faculty of Medicine, Medical University of Sofia, Bulgaria
| | - Mihail Beliakov
- Laboratory of Chemical Analytical Control and Biotesting, Research Institute of Hygiene, Occupational Pathology and Human Ecology, St Petersburg, Russia
| | - Georgi Karakashev
- Laboratory of Chemical Analytical Control and Biotesting, Research Institute of Hygiene, Occupational Pathology and Human Ecology, St Petersburg, Russia
| | - Ivan Sukhov
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St Petersburg, Russia
| | - Daria Belinskaya
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St Petersburg, Russia
| | - Natalia Shestakova
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St Petersburg, Russia
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Wang J, Zhu H, Song X, Zhao J, Zhang J, Zhang J, Li S, Rong P. Electroacupuncture regulates gut microbiota to reduce depressive-like behavior in rats. Front Microbiol 2024; 15:1327630. [PMID: 38601933 PMCID: PMC11004248 DOI: 10.3389/fmicb.2024.1327630] [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: 10/25/2023] [Accepted: 02/20/2024] [Indexed: 04/12/2024] Open
Abstract
Background and objectives Growing studies show that gut microbiota is closely associated with depression. Acupuncture treatment could regulate the gut microbiota of many diseases. Here, we aim to observe the effect of electroacupuncture (EA) on gut microbiota in rats that showed depressive-like behavior. Materials and methods The rats were randomly divided into normal group, chronic unpredictable mild stress model (CUMS) group, CUMS + electroacupuncture (EA) group, and CUMS + sham-electroacupuncture (Sham) group. The CUMS+EA rats were treated with EA stimulation at bilateral Zusanli (ST36) and Tianshu (ST25) acupoints for 2 weeks (0.7 mA, 2/100 Hz, 30 min/day). The rats in the sham EA group were treated with the same conditions without inserting needles and electrical stimulation. Behavioral tests were conducted by forced swimming test (FST), open field test (OFT), and sucrose preference test (SPT) to assess depression-like behavior in rats. The relative abundance of intestinal bacteria in rat feces was detected by 16S rRNA analysis. The expression of calcitonin-gene-related peptide (CGRP), vasoactive intestinal peptide (VIP), somatostatin (SST), and adrenocorticotropic hormone (ACTH) in serum was detected by ELISA kit, and VIP, CGRP, and SST in the colon were detected by qRT-PCR and Western blot. Results Chronic unpredictable mild stress model rats exhibited depressive-like behaviors and had differential abundance vs. control rats. CUMS significantly decreased the relative abundance of Bifidobacterium and Streptococcus at the genus level, CGRP in plasma (p < 0.05), and significantly increased the intestine propulsion rate, the mRNA and protein expression of VIP, SST, and mRNA in the colon, and ATCH in plasma (p < 0.05). EA rats with microbial profiles were distinct from CUMS rats. EA markedly reduced the depressive-like behaviors, significantly increased the intestine propulsion rate, the relative abundance of Bacteroidetes, Proteobacteria, and Actinobacteria at the phylum level, Bifidobacterium and Streptococcus at the genus level, and VIP and CGRP in plasma (p < 0.05), and significantly decreased Firmicutes, the ratio of Firmicutes to Bacteroidetes at the phylum level, ACTH and SST in plasma, and SST mRNA in the colon (p < 0.05). Conclusion The antidepressant effect of EA at ST36 and ST25 is related to regulating intestinal flora and the neurotransmitter system. Our study suggests that EA contributes to the improvement of depression, and gut microbiota may be one of the mechanisms of EA effect.
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Affiliation(s)
- Junying Wang
- Department of Physiology, Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | | | | | | | | | | | | | - Peijing Rong
- Department of Physiology, Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
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Salloum F, Farran M, Shaib H, Jurjus A, Sleiman R, Khalil MI. Establishing an OCD Model in BALB/c Mice Using RU24969: A Molecular and Behavioural Study of Optimal Dose Selection. Behav Neurol 2024; 2024:4504858. [PMID: 38566972 PMCID: PMC10985275 DOI: 10.1155/2024/4504858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 02/01/2024] [Accepted: 03/05/2024] [Indexed: 04/04/2024] Open
Abstract
Obsessive-compulsive disorder (OCD) is a disabling disease characterized by distressing obsessions and repetitive compulsions. The etiology of OCD is poorly known, and mouse modeling allows to clarify the genetic and neurochemical basis of this disorder and to investigate potential treatments. This study evaluates the impact of the 5-HT1B agonist RU24969 on the induction of OCD-like behaviours in female BALB/c mice (n = 30), distributed across five groups receiving varying doses of RU24969. Behavioural assessments, including marble test, tail suspension test, sucrose preference test, forced swim test, and nestlet shredding test, were conducted. Gene expression and protein quantitation of Gabra1 and serotonin transporter in mouse brain were also performed. Marble-burying behaviour increased significantly at high doses of RU24969 (15-20 mg/kg). The forced swimming test consistently showed elevated values at the same high concentrations, compared to the control. Altered reward-seeking behaviour was indicated by the sucrose preference test, notably at 15 and 20 mg/kg doses of RU24969. Nestlet shredding results did not show statistical significance among the tested animal groups. Gene expression analysis revealed reduced Gabra1 expression with increasing doses of RU, while serotonin transporter was not related to varying doses of RU24969. Western blotting corroborated these trends. The results underscore complex interactions between the serotonin system, GABAergic signaling, and OCD-relevant behaviours and suggest the use of intraperitoneal injection of 15 mg/kg of RU24969 to induce OCD-like behaviour in BALB/c mouse models.
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Affiliation(s)
- Fatima Salloum
- Department of Biological Sciences, Faculty of Science, Beirut Arab University, Beirut, Lebanon
| | - Mohamad Farran
- Department of Agriculture, Faculty of Agricultural and Food Sciences, American University of Beirut, Beirut, Lebanon
| | - Houssam Shaib
- Department of Agriculture, Faculty of Agricultural and Food Sciences, American University of Beirut, Beirut, Lebanon
| | - Abdo Jurjus
- Department of Anatomy, Cell Biology, and Physiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Roni Sleiman
- Department of Agriculture, Faculty of Agricultural and Food Sciences, American University of Beirut, Beirut, Lebanon
| | - Mahmoud I. Khalil
- Department of Biological Sciences, Faculty of Science, Beirut Arab University, Beirut, Lebanon
- Molecular Biology Unit, Department of Zoology, Faculty of Science, Alexandria University, Alexandria, Egypt
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Marchese MJ, Zhu T, Hawkey AB, Wang K, Yuan E, Wen J, Be SE, Levin ED, Feng L. Prenatal and perinatal exposure to Per- and polyfluoroalkyl substances (PFAS)-contaminated drinking water impacts offspring neurobehavior and development. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170459. [PMID: 38290673 PMCID: PMC10923173 DOI: 10.1016/j.scitotenv.2024.170459] [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] [Received: 10/15/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/01/2024]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are persistent organic pollutants ubiquitous in the environment and humans. In-utero PFAS exposure is associated with numerous adverse health impacts. However, little is known about how prenatal PFAS mixture exposure affects offspring's neurobehavioral function. This study aims to determine the causal relationship between in-utero PFAS mixture exposure and neurobehavioral changes in Sprague-Dawley rat offspring. Dams were exposed via drinking water to the vehicle (control), an environmentally relevant PFAS mixture, or a high-dose PFAS mixture. The environmentally relevant mixture was formulated to resemble measured tap water levels in Pittsboro, NC, USA (10 PFAS compounds; sum PFAS =758.6 ng/L). The high-dose PFAS load was 3.8 mg/L (5000×), within the range of exposures in the experimental literature. Exposure occurred seven days before mating until birth. Following exposure to PFAS-laden water or the vehicle during fetal development, neurobehavioral toxicity was assessed in male and female offspring with a battery of motor, cognitive, and affective function tests as juveniles, adolescents, and adults. Just before weaning, the environmentally relevant exposure group had smaller anogenital distances compared to the vehicle and high-dose groups on day 17, and males in the environmentally relevant exposure group demonstrated lower weights than the high-dose group on day 21 (p < 0.05). Reflex development delays were seen in negative geotaxis acquisition for both exposure groups compared to vehicle-exposed controls (p = 0.009). Our post-weaning behavioral measures of anxiety, depression, and memory were not found to be affected by maternal PFAS exposure. In adolescence (week five) and adulthood (week eight), the high PFAS dose significantly attenuated typical sex differences in locomotor activity. Maternal exposure to an environmentally relevant PFAS mixture produced developmental delays in the domains of pup weight, anogenital distance, and reflex acquisition for rat offspring. The high-dose PFAS exposure significantly decreased typical sex differences in locomotor activity.
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Affiliation(s)
| | - Tianyi Zhu
- Duke University Global Health Institute, Durham, NC, USA
| | - Andrew B Hawkey
- Department of Biomedical Sciences, Midwestern University, Downers Grove, IL, USA
| | | | - Emi Yuan
- Duke University, Durham, NC, USA
| | | | | | - Edward D Levin
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC, USA
| | - Liping Feng
- Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC, USA.
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30
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Frayre P, Ponce-Rubio K, Frayre J, Medrano J, Na ES. POMC-specific knockdown of MeCP2 leads to adverse phenotypes in mice chronically exposed to high fat diet. Behav Brain Res 2024; 461:114863. [PMID: 38224819 PMCID: PMC10872214 DOI: 10.1016/j.bbr.2024.114863] [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: 06/14/2023] [Revised: 12/22/2023] [Accepted: 01/06/2024] [Indexed: 01/17/2024]
Abstract
Methyl-CpG binding protein 2 (MeCP2) is an epigenetic factor associated with the neurodevelopmental disorders Rett Syndrome and MECP2 duplication syndrome. Previous studies have demonstrated that knocking out MeCP2 globally in the central nervous system leads to an obese phenotype and hyperphagia, however it is not clear if the hyperphagia is the result of an increased preference for food reward or due to an increase in motivation to obtain food reward. We show that mice deficient in MeCP2 specifically in pro-opiomelanocortin (POMC) neurons have an increased preference for high fat diet as measured by conditioned place preference but do not have a greater motivation to obtain food reward using a progressive ratio task, relative to wildtype littermate controls. We also demonstrate that POMC-Cre MeCP2 knockout (KO) mice have increased body weight after long-term high fat diet exposure as well as elevated plasma leptin and corticosterone levels compared to wildtype mice. Taken together, these results are the first to show that POMC-specific loss-of-function Mecp2 mutations leads to dissociable effects on the rewarding/motivational properties of food as well as changes to hormones associated with body weight homeostasis and stress.
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Affiliation(s)
- Priscila Frayre
- Texas Woman's University, School of Social Work, Psychology, & Philosophy, Denton, TX, USA
| | - Karen Ponce-Rubio
- Texas Woman's University, School of Social Work, Psychology, & Philosophy, Denton, TX, USA
| | - Jessica Frayre
- Texas Woman's University, School of Social Work, Psychology, & Philosophy, Denton, TX, USA
| | - Jacquelin Medrano
- Texas Woman's University, School of Social Work, Psychology, & Philosophy, Denton, TX, USA
| | - Elisa Sun Na
- Texas Woman's University, School of Social Work, Psychology, & Philosophy, Denton, TX, USA.
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31
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Mușat MI, Mitran SI, Udriștoiu I, Albu CV, Cătălin B. The impact of stress on the behavior of C57BL/6 mice with liver injury: a comparative study. Front Behav Neurosci 2024; 18:1358964. [PMID: 38510829 PMCID: PMC10950904 DOI: 10.3389/fnbeh.2024.1358964] [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: 12/20/2023] [Accepted: 02/26/2024] [Indexed: 03/22/2024] Open
Abstract
Introduction Depressive-like behavior has been shown to be associated with liver damage. This study aimed to evaluate the impact of three different models of depression on the behavior of mice with liver injury. Methods During the 4 weeks of methionine/choline deficiency diet (MCD), adult C57BL/6 mice were randomly divided into four groups: MCD (no stress protocol, n = 6), chronic unpredictable mild stress (CUMS, n = 9), acute and repeated forced swim stress [aFSS (n = 9) and rFSS (n = 9)]. Results All depression protocols induced increased anhedonia and anxiety-like behavior compared to baseline and had no impact on the severity of liver damage, according to ultrasonography. However, different protocols evoked different overall behavior patterns. After the depressive-like behavior induction protocols, animals subjected to aFSS did not exhibit anxiety-like behavior differences compared to MCD animals, while mice subjected to CUMS showed additional weight loss compared to FSS animals. All tested protocols for inducing depressive-like behavior decreased the short-term memory of mice with liver damage, as assessed by the novel object recognition test (NORT). Discussion Our results show that the use of all protocols seems to generate different levels of anxiety-like behavior, but only the depressive-like behavior induction procedures associate additional anhedonia and memory impairment in mice with liver injury.
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Affiliation(s)
- Mădălina Iuliana Mușat
- U.M.F. Doctoral School Craiova, University of Medicine and Pharmacy of Craiova, Craiova, Romania
- Experimental Research Centre for Normal and Pathological Aging, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Smaranda Ioana Mitran
- Experimental Research Centre for Normal and Pathological Aging, University of Medicine and Pharmacy of Craiova, Craiova, Romania
- Department of Physiology, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Ion Udriștoiu
- Department of Psychiatry, University of Medicine and Pharmacy, Craiova, Romania
| | - Carmen Valeria Albu
- Department of Neurology, University of Medicine and Pharmacy, Craiova, Romania
| | - Bogdan Cătălin
- Experimental Research Centre for Normal and Pathological Aging, University of Medicine and Pharmacy of Craiova, Craiova, Romania
- Department of Physiology, University of Medicine and Pharmacy of Craiova, Craiova, Romania
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32
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Aslan C, Aslankoc R, Ozmen O, Sülük BN, Kavrık O, Gumral N. Protective effect of vitamin D on learning and memory impairment in rats induced by high fructose corn syrup. Behav Brain Res 2024; 459:114763. [PMID: 37977339 DOI: 10.1016/j.bbr.2023.114763] [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: 08/02/2023] [Revised: 11/06/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
In our study, we aimed to investigate the negative effects of the prefrontal cortex (PFC)-associated impairment of cholinergic activity on memory and learning caused by high fructose corn syrup (HFCS) and the protective role of vitamin D in adolescent rats. Twenty-four animals were divided into three groups as control, HFCS group (11 % HFCS-55 solution, ad libitum) and HFCS+ Vit D (42 μg/kg/day). Elevated Plus Maze (EPM), Forced Swim Test (FST), and Morris Water Maze (MWM, performed from day 23) tests were applied to all animals. Fluid intake consumption of the rats was measured daily, weight gain and blood glucose were measured weekly. After 31 days of treatment, the rats were sacrificed and PFC tissue was removed for biochemical, histopathological and immunohistochemical analyses. In HFCS group, fluid consumption, blood glucose, malondialdehyde (MDA) levels, degenerative neuron count and choline acetyltransferase (ChAT) expression were significantly increased; superoxide dismutase (SOD), catalase (CAT) enzyme activity and brain-derived neurotrophic factor (BDNF) expression were significantly decreased. In addition, the time spent in the enclosed arm in EPM was increased, the immobility time in FST was, and the time spent in the target quadrant in MWM was significantly decreased. Vitamin D treatment reversed all these parameters. In conclusion, HFCS caused an increase in the number of degenerative neurons in the PFC, disrupted cholinergic activity and negatively affected learning-memory functions. Vitamin D, decreased the number of degenerative neurons, increased cholinergic activity and positively affected learning and memory performance. BRIEF SYNOPSIS: In this study, prefrontal cortex damage was investigated in adolescent rats fed high fructose corn syrup. The effect of vitamin D on prefrontal cortex damage was evaluated.
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Affiliation(s)
- Cahide Aslan
- Suleyman Demirel University, Faculty of Medicine, Department of Physiology, Isparta, Turkey.
| | - Rahime Aslankoc
- Suleyman Demirel University, Faculty of Medicine, Department of Physiology, Isparta, Turkey
| | - Ozlem Ozmen
- Burdur Mehmet Akif Ersoy University Faculty of Veterinary, Department of Pathology, Burdur, Turkey
| | - Buse Nur Sülük
- Suleyman Demirel University, Faculty of Medicine, Department of Physiology, Isparta, Turkey
| | - Oguzhan Kavrık
- Suleyman Demirel University, Faculty of Medicine, Department of Physiology, Isparta, Turkey
| | - Nurhan Gumral
- Suleyman Demirel University, Faculty of Medicine, Department of Physiology, Isparta, Turkey
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Wang H, Shen Z, Wu CS, Ji P, Noh JY, Geoffroy CG, Kim S, Threadgill D, Li J, Zhou Y, Xiao X, Zheng H, Sun Y. Neuronal ablation of GHSR mitigates diet-induced depression and memory impairment via AMPK-autophagy signaling-mediated inflammation. Front Immunol 2024; 15:1339937. [PMID: 38464534 PMCID: PMC10920242 DOI: 10.3389/fimmu.2024.1339937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/06/2024] [Indexed: 03/12/2024] Open
Abstract
Obesity is associated with chronic inflammation in the central nervous system (CNS), and neuroinflammation has been shown to have detrimental effects on mood and cognition. The growth hormone secretagogue receptor (GHSR), the biologically relevant receptor of the orexigenic hormone ghrelin, is primarily expressed in the brain. Our previous study showed that neuronal GHSR deletion prevents high-fat diet-induced obesity (DIO). Here, we investigated the effect of neuronal GHSR deletion on emotional and cognitive functions in DIO. The neuron-specific GHSR-deficient mice exhibited reduced depression and improved spatial memory compared to littermate controls under DIO. We further examined the cortex and hippocampus, the major regions regulating cognitive and emotional behaviors, and found that the neuronal deletion of GHSR reduced DIO-induced neuroinflammation by suppressing proinflammatory chemokines/cytokines and decreasing microglial activation. Furthermore, our data showed that neuronal GHSR deletion suppresses neuroinflammation by downregulating AMPK-autophagy signaling in neurons. In conclusion, our data reveal that neuronal GHSR inhibition protects against DIO-induced depressive-like behavior and spatial cognitive dysfunction, at least in part, through AMPK-autophagy signaling-mediated neuroinflammation.
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Affiliation(s)
- Hongying Wang
- Department of Nutrition, Texas A&M University, College Station, TX, United States
- Department of Endocrinology, Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zheng Shen
- Department of Nutrition, Texas A&M University, College Station, TX, United States
| | - Chia-Shan Wu
- Department of Nutrition, Texas A&M University, College Station, TX, United States
| | - Pengfei Ji
- Department of Nutrition, Texas A&M University, College Station, TX, United States
| | - Ji Yeon Noh
- Department of Nutrition, Texas A&M University, College Station, TX, United States
| | - Cédric G. Geoffroy
- Department of Neuroscience & Experimental Therapeutics, Texas A&M University, College Station, TX, United States
| | - Sunja Kim
- Texas A&M Institute for Genome Sciences and Society, Texas A&M University, College Station, TX, United States
| | - David Threadgill
- Department of Nutrition, Texas A&M University, College Station, TX, United States
- Texas A&M Institute for Genome Sciences and Society, Texas A&M University, College Station, TX, United States
- Department of Molecular and Cellular Medicine, Texas A&M University, College Station, TX, United States
| | - Jianrong Li
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, United States
| | - Yu Zhou
- Department of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao, Shandong, China
| | - Xiaoqiu Xiao
- Department of Endocrinology, Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Hui Zheng
- Huffington Center on Aging, Baylor College of Medicine, Houston, TX, United States
| | - Yuxiang Sun
- Department of Nutrition, Texas A&M University, College Station, TX, United States
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Yoshii T, Oishi N, Sotozono Y, Watanabe A, Sakai Y, Yamada S, Matsuda KI, Kido M, Ikoma K, Tanaka M, Narumoto J. Validation of Wistar-Kyoto rats kept in solitary housing as an animal model for depression using voxel-based morphometry. Sci Rep 2024; 14:3601. [PMID: 38351316 PMCID: PMC10864298 DOI: 10.1038/s41598-024-53103-2] [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: 06/11/2021] [Accepted: 01/27/2024] [Indexed: 02/16/2024] Open
Abstract
Major depressive disorder is a common psychiatric condition often resistant to medication. The Wistar-Kyoto (WKY) rat has been suggested as an animal model of depression; however, it is still challenging to translate results from animal models into humans. Solitary housing is a mild stress paradigm that can simulate the environment of depressive patients with limited social activity due to symptoms. We used voxel-based morphometry to associate the solitary-housed WKY (sWKY) rat model with data from previous human studies and validated our results with behavioural studies. As a result, atrophy in sWKY rats was detected in the ventral hippocampus, caudate putamen, lateral septum, cerebellar vermis, and cerebellar nuclei (p < 0.05, corrected for family-wise error rate). Locomotor behaviour was negatively correlated with habenula volume and positively correlated with atrophy of the cerebellar vermis. In addition, sWKY rats showed depletion of sucrose consumption not after reward habituation but without reward habituation. Although the application of sWKY rats in a study of anhedonia might be limited, we observed some similarities between the regions of brain atrophy in sWKY rats and humans with depression, supporting the translation of sWKY rat studies to humans.
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Affiliation(s)
- Takanobu Yoshii
- Department of Psychiatry, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan.
- Kyoto Prefectural Rehabilitation Hospital for Mentally and Physically Disabled, Naka Ashihara, Johyo, Kyoto, 610-0113, Japan.
| | - Naoya Oishi
- Medical Innovation Center, Kyoto University Graduate School of Medicine, 53 Shogoin Kawahara-cho, Sakyo-ku, Kyoto, 606-8507, Japan.
| | - Yasutaka Sotozono
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Anri Watanabe
- Department of Psychiatry, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Yuki Sakai
- Department of Neural Computation for Decision-Making, ATR Brain Information Communication Research Laboratory Group, Kyoto, Japan
| | - Shunji Yamada
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ken-Ichi Matsuda
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Masamitsu Kido
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kazuya Ikoma
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Masaki Tanaka
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Jin Narumoto
- Department of Psychiatry, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
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Nomiya H, Sakurai K, Miyamoto Y, Oka M, Yoneda Y, Hikida T, Yamada M. A Kpna1-deficient psychotropic drug-induced schizophrenia model mouse for studying gene-environment interactions. Sci Rep 2024; 14:3376. [PMID: 38336912 PMCID: PMC10858057 DOI: 10.1038/s41598-024-53237-3] [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: 10/13/2023] [Accepted: 01/30/2024] [Indexed: 02/12/2024] Open
Abstract
KPNA1 is a mediator of nucleocytoplasmic transport that is abundantly expressed in the mammalian brain and regulates neuronal differentiation and synaptic function. De novo mutations in Kpna1 have been identified using genome-wide association studies in humans with schizophrenia; however, it remains unclear how KPNA1 contributes to schizophrenia pathogenesis. Recent studies have suggested a complex combination of genetic and environmental factors that are closely related to psychiatric disorders. Here, we found that subchronic administration of phencyclidine, a psychotropic drug, induced vulnerability and behavioral abnormalities consistent with the symptoms of schizophrenia in Kpna1-deficient mice. Microarray assessment revealed that the expression levels of dopamine d1/d2 receptors, an RNA editing enzyme, and a cytoplasmic dynein component were significantly altered in the nucleus accumbens brain region in a gene-environment (G × E) interaction-dependent manner. Our findings demonstrate that Kpna1-deficient mice may be useful as a G × E interaction mouse model for psychiatric disorders and for further investigation into the pathogenesis of such diseases and disorders.
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Affiliation(s)
- Hirotaka Nomiya
- Department of Cell Biology and Biochemistry, Division of Medicine, Faculty of Medical Sciences, University of Fukui, 23-3 Matsuoka Shimoaizuki, Eiheiji-cho, Yoshida-gun, Fukui, 910-1193, Japan
| | - Koki Sakurai
- Laboratory for Advanced Brain Functions, Institute for Protein Research, Osaka University, 3-2 Yamada-oka, Suita, Osaka, 565-0871, Japan
| | - Yoichi Miyamoto
- Laboratory of Nuclear Transport Dynamics, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), 7-6-8 Saito-Asagi, Ibaraki, Osaka, 567-0085, Japan
| | - Masahiro Oka
- Laboratory of Nuclear Transport Dynamics, National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN), 7-6-8 Saito-Asagi, Ibaraki, Osaka, 567-0085, Japan
| | - Yoshihiro Yoneda
- The Research Foundation for Microbial Diseases Osaka University, Integrated Life Science Building, Osaka University, 3-1 Yamada-oka, Suita, Osaka, 565-0871, Japan
| | - Takatoshi Hikida
- Laboratory for Advanced Brain Functions, Institute for Protein Research, Osaka University, 3-2 Yamada-oka, Suita, Osaka, 565-0871, Japan.
- Department of Research and Drug Discovery, Medical Innovation Center, Kyoto University Graduate School of Medicine, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto, 606-8397, Japan.
| | - Masami Yamada
- Department of Cell Biology and Biochemistry, Division of Medicine, Faculty of Medical Sciences, University of Fukui, 23-3 Matsuoka Shimoaizuki, Eiheiji-cho, Yoshida-gun, Fukui, 910-1193, Japan.
- Life Science Innovation Center, University of Fukui, 3-9-1, Bunkyo, Fukui-City, Fukui, 910-8507, Japan.
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Zubkov E, Riabova O, Zorkina Y, Egorova A, Ushakova V, Lepioshkin A, Novoselova E, Abramova O, Morozova A, Chekhonin V, Makarov V. Antidepressant-like Effect of the Eburnamine-Type Molecule Vindeburnol in Rat and Mouse Models of Ultrasound-Induced Depression. ACS Chem Neurosci 2024; 15:560-571. [PMID: 38216514 DOI: 10.1021/acschemneuro.3c00590] [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] [Indexed: 01/14/2024] Open
Abstract
Vindeburnol (VIND, RU24722, BC19), a synthetic molecule derived from the eburnamine-vincamine alkaloid group, has many neuropsychopharmacological effects, but its antidepressant-like effects are poorly understood and have only been described in a few patents. To reliably estimate this effect, vindeburnol was studied in a model of long-term variable-frequency ultrasound (US) exposure at 20-45 kHz in male Wistar rats and BALB/c mice. Vindeburnol was administered chronically for 21 days against a background of simultaneous ultrasound exposure at a dose of 20 mg/kg intraperitoneally (IP). Using four behavioral tests, the sucrose preference test (SPT), the social interaction test (SIT), the open field test (OFT), and the forced swimming test (FST), we found that the treatment with the compound diminished depression-like symptoms in mice and rats. The compound restored the ultrasound-related reduced sucrose consumption to control levels and increased social interaction time in mice and rats compared with those in ultrasound-exposed animals. Vindeburnol showed contraversive results of horizontal and vertical activity in both species and generally did not increase locomotor activity. At the same time, the compound showed a specific effect in the FST, significantly reducing the immobility time. Moreover, we found an increase in norepinephrine, dopamine, and its metabolite levels in the brainstem, as well as an increase in dopamine, 3-methoxytyramine, and 3,4-dihydroxyphenylacetic acid levels in the striatum. We also observed a statistically significant increase in tyrosine hydroxylase (TH) levels in the region containing the locus coeruleus (LC). We suggest that using its distinct chemical structure and pharmacological activity as a starting point could boost antidepressant drug discovery.
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Affiliation(s)
- Eugene Zubkov
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Olga Riabova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
| | - Yana Zorkina
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Anna Egorova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
| | - Valeriya Ushakova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Alexander Lepioshkin
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
| | - Elena Novoselova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
| | - Olga Abramova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Anna Morozova
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Vladimir Chekhonin
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Vadim Makarov
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
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Widjiati W, Luqman EM, Kuntjorodjakti S, Aulanni’am A, Shabira Z, Taqwa SF, Mega RL, Chou D, Mubarak AS, Hendrawan VF. The impact of Apis dorsata forest honey administration on follicle-stimulating hormone and luteinizing hormone levels in rats ( Rattus norvegicus) forced swim test as a chronic physical animal model. Open Vet J 2024; 14:738-742. [PMID: 38549577 PMCID: PMC10970116 DOI: 10.5455/ovj.2024.v14.i2.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 01/27/2024] [Indexed: 04/02/2024] Open
Abstract
Background Chronic physical stress has many effects on the nervous system and can cause structural changes in different parts of the brain and hemomodulatory, including hormonal. Current pharmacotherapeutic treatments have limited efficacy and are associated with many deleterious side effects. Aim The aim of this research is to determine how Apis dorsata forest honey administration affects follicle-stimulating hormone (FSH) and luteinizing hormone (LH) levels in rats who are subjected to forced swim tests as a model of chronic physical stress placed in a container filled with water from which it cannot escape. Methods This was an experimental laboratory study with 32 rats divided into four treatment groups: control (C), Treatment 1 (T1) with a forced swim test + honey (2 g/rat/day), Treatment 2 (T2) with a forced swim test + honey (4 g/rat/day), and Treatment 3 (T3) with a forced swim test + honey (6 g/rat/day). All treatments were administered for 14 days. Then, blood was taken for FSH and LH serum tests, and a one-way ANOVA and Duncan test were used to statistically test the data analysis. Results The results of this study indicate that the administration of forest honey had no significant effect (p > 0.05) on the FSH parameter, but there was a significant decrease in LH levels in the T2 and T3 groups (p < 0.05). Conclusion It can be concluded that giving forest honey to rats who were subjected to a 14-day forced swim test had no effect on FSH and LH levels. In rats given a forced swim test as a model of chronic stress, administration at doses of 4 and 6 g/rat/day reduced LH serum levels. Thus, giving forest honey could maintain reproductive health in rat that experience chronic stress.
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Affiliation(s)
- Widjiati Widjiati
- Department of Veterinary Science, Veterinary Medicine Faculty, Airlangga University, Mulyorejo, Surabaya, East Java, Indonesia
| | - Epy Muhammad Luqman
- Department of Veterinary Science, Veterinary Medicine Faculty, Airlangga University, Mulyorejo, Surabaya, East Java, Indonesia
| | - Suryo Kuntjorodjakti
- Department of Veterinary Science, Veterinary Medicine Faculty, Airlangga University, Mulyorejo, Surabaya, East Java, Indonesia
| | - Aulanni’am Aulanni’am
- Department of Chemistry, Faculty of Medicine, Brawijaya University, Malang, East Java, Indonesia
| | - Zahra Shabira
- Magister Student of Veterinary Reproduction, Veterinary Medicine Faculty, Airlangga University, Mulyorejo, Surabaya, East Java, Indonesia
| | - Sultan Fadhilla Taqwa
- Magister Student of Veterinary Reproduction, Veterinary Medicine Faculty, Airlangga University, Mulyorejo, Surabaya, East Java, Indonesia
| | - Riski Lesta Mega
- Magister Student of Veterinary Reproduction, Veterinary Medicine Faculty, Airlangga University, Mulyorejo, Surabaya, East Java, Indonesia
| | - Dean Chou
- Department of Biomedical Engineering National Cheng Kung University, Tainan City, Taiwan
| | - Ahmad Shofy Mubarak
- Department of Marine, Faculty of Fisheries and Marine Sciences, Airlangga University, Mulyorejo, Surabaya, East Java, Indonesia
| | - Viski Fitri Hendrawan
- Departement of Veterinary Reproduction, Veterinary Medicine Faculty, Brawijaya University, Puncak Dieng, Dau, Malang, East Java, Indonesia
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Guo H, Liu X, Chen T, Wang X, Zhang X. Akkermansia muciniphila Improves Depressive-Like Symptoms by Modulating the Level of 5-HT Neurotransmitters in the Gut and Brain of Mice. Mol Neurobiol 2024; 61:821-834. [PMID: 37668965 PMCID: PMC10861622 DOI: 10.1007/s12035-023-03602-6] [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] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 08/21/2023] [Indexed: 09/06/2023]
Abstract
Accumulating evidence has suggested that the gut microbiome plays an important role in depression. Akkermansia muciniphila (AKK), a next-generation probiotic, shows a beneficial effect on immune and metabolic homeostasis. The relative abundance of AKK was found negatively correlated with depressive symptoms in both clinical and pre-clinical studies. To evaluate the potential antidepressant effect of AKK and explore the possible mechanism, we used chronic alcohol exposure and chronic unpredictable mild stress (CUMS) to induce depressive-like behaviors in mice. We found that oral AKK administration significantly reduced the immobility time in the force swimming test (FST) and tail suspension test (TST) in the mice with chronic alcohol exposure and the CUMS mice. The sucrose preference in the mice receiving AKK was significantly increased in the sucrose preference test (SPT). More importantly, AKK implantation significantly increased the level of 5-HT in the gut and PFC of both the alcohol exposure mice and the CUMS mice. Furthermore, AKK had inhibited the expression of SERT in the gut but not in the brain for both NIAAA and the CUMS model mice. Interestingly, the expression of cFos in enteric nerves in the gut significantly decreased after AKK administration. In conclusion, our study demonstrated the antidepressant effect of AKK in mice exposed to alcohol exposure and CUMS, with the potential mechanism that AKK implantation might lead to an increased level of 5-HT and inhibited SERT expression in the gut, and might alter the gut-to-brain signal through suppression of enteric nerves activation.
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Affiliation(s)
- Huijuan Guo
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, No. 139, Renmin Middle Road, Furong District, Changsha, 410011, Hunan Province, China
| | - Xinxu Liu
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, No. 139, Renmin Middle Road, Furong District, Changsha, 410011, Hunan Province, China
| | - Ti Chen
- Clinical Laboratory, The Third Xiangya Hospital, Central South University, Changsha, 410000, Hunan, China
| | - Xiaoping Wang
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, No. 139, Renmin Middle Road, Furong District, Changsha, 410011, Hunan Province, China
| | - Xiaojie Zhang
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, No. 139, Renmin Middle Road, Furong District, Changsha, 410011, Hunan Province, China.
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Alharthy KM, Rashid S, Yusufoglu HS, Alqasoumi SI, Ganaie MA, Alam A. Neuroprotective potential of Afzelin: A novel approach for alleviating catalepsy and modulating Bcl-2 expression in Parkinson's disease therapy. Saudi Pharm J 2024; 32:101928. [PMID: 38261905 PMCID: PMC10797200 DOI: 10.1016/j.jsps.2023.101928] [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: 10/13/2023] [Accepted: 12/17/2023] [Indexed: 01/25/2024] Open
Abstract
The lost dopaminergic neurons in the brain prevent mobility in Parkinson's disease (PD). It is impossible to stop the disease's progress by means of symptoms management. Research focuses on oxidative stress, mitochondrial dysfunction, and neuronal degeneration. Exploration of potential neuroprotective drugs against prosurvival B-cell lymphoma 2 (Bcl-2) protein is ongoing. An investigable cause behind PD, as well as preventive measures, could be discovered considering the association between such behavioural manifestations (cataleptic behaviours) and PD. The compound Afzelin, known to guard the nervous system, was chosen for this study. The study was done on rats divided into six different groups. First, there was a control group. The other group was treated with Reserpine (RES) (1 mg/kg). The third group received RES (1 mg/kg) and levodopa (30 mg/kg). The remaining three groups were given RES (1 mg/kg) in conjunction with Afzelin at the following doses: 5 mg/kg, 10 mg/kg, and 20 mg/kg. Cataleptic behavior and mobility in rats was assessed using the rotarod, open field, and modified forced-swim tests. thiobarbituric acid reactive substances (TBARS), nitric oxide (NO), biogenic amines, and Bcl-2 level in rat tissue homogenates were considered. According to the study's findings, the rats treated through co-administration of RES and Afzelin improved significantly in their cataleptic behaviours and locomotor activity. In addition, administering Afzelin itself caused Bcl-2 expression, which could have some neuroprotection properties. This study provides meaningful information on the effectiveness of Afzelin in handling catalepsy and other degenerative neurologic disorders. As a result, other studies need to be conducted to establish the reasons behind the reactions and determine the long-term effects of Afzelin on these conditions.
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Affiliation(s)
- Khalid M. Alharthy
- Department of Pharmacology and Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Summya Rashid
- Department of Pharmacology and Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Hasan S. Yusufoglu
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Dentistry and Pharmacy, Buraydah Private Colleges, Buraydah, Al-Qassim 51418, Saudi Arabia
| | - Saleh I. Alqasoumi
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Majid Ahmad Ganaie
- Department of Pharmacology & Toxicology, College of Dentistry and Pharmacy, Buraydah Colleges, 51418 Buraydah, Saudi Arabia
| | - Aftab Alam
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia
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Herlihy RA, Alicandri F, Berger H, Rehman H, Kao Y, Akhtar K, Dybas E, Mahoney-Rafferty E, Von Stein K, Kirby R, Tawfik A, Skumurski R, Feustel PJ, Molho ES, Shin DS. Investigation of non-invasive focused ultrasound efficacy on depressive-like behavior in hemiparkinsonian rats. Exp Brain Res 2024; 242:321-336. [PMID: 38059986 DOI: 10.1007/s00221-023-06750-2] [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: 09/30/2023] [Accepted: 11/14/2023] [Indexed: 12/08/2023]
Abstract
Depression is a common non-motor symptom in Parkinson's disease (PD) that includes anhedonia and impacts quality of life but is not effectively treated with conventional antidepressants clinically. Vagus nerve stimulation improves treatment-resistant depression in the general population, but research about its antidepressant efficacy in PD is limited. Here, we administered peripheral non-invasive focused ultrasound to hemiparkinsonian ('PD') and non-parkinsonian (sham) rats to mimic vagus nerve stimulation and assessed its antidepressant-like efficacy. Following 6-hydroxydopamine (6-OHDA) lesion, akinesia-like immobility was assessed in the limb-use asymmetry test, and despair- and anhedonic-like behaviors were evaluated in the forced swim test and sucrose preference test, respectively. After, tyrosine hydroxylase immuno-staining was employed to visualize and quantify dopaminergic degeneration in the substantia nigra pars compacta, ventral tegmental area, and striatum. We found that PD rats exhibited akinesia-like immobility and > 90% reduction in tyrosine hydroxylase immuno-staining ipsilateral to the lesioned side. PD rats also demonstrated anhedonic-like behavior in the sucrose preference test compared to sham rats. No 6-OHDA lesion effect on immobility in the forced swim test limited conclusions about the efficacy of ultrasound on despair-like behavior. However, ultrasound improved anhedonic-like behavior in PD rats and this efficacy was sustained through the end of the 1-week recovery period. The greatest number of animals demonstrating increased sucrose preference was in the PD group receiving ultrasound. Our findings here are the first to posit that peripheral non-invasive focused ultrasound to the celiac plexus may improve anhedonia in PD with further investigation needed to reveal its potential for clinical applicability.
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Affiliation(s)
- Rachael A Herlihy
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Francisco Alicandri
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Hudy Berger
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Huda Rehman
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Yifan Kao
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Kainat Akhtar
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Elizabeth Dybas
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Emily Mahoney-Rafferty
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Kassie Von Stein
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Raven Kirby
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Angela Tawfik
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Rachel Skumurski
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Paul J Feustel
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Eric S Molho
- Department of Neurology, Albany Medical Center, 47 New Scotland Ave, Albany, NY, 12208, USA
| | - Damian S Shin
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA.
- Department of Neurology, Albany Medical Center, 47 New Scotland Ave, Albany, NY, 12208, USA.
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Rahmatinia M, Mohseni-Bandpei A, Khodagholi F, Abdollahifar MA, Amouei Torkmahalleh M, Hassani Moghaddam M, Hopke PK, Ghavimehr E, Bazzazpour S, Shahsavani A. Exposure to different PM 2.5 extracts induces gliosis and changes behavior in male rats similar to autism spectrum disorders features. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 340:122804. [PMID: 37907193 DOI: 10.1016/j.envpol.2023.122804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 11/02/2023]
Abstract
Epidemiological studies have documented that exposure to fine particulate matter (PM2.5) could affect neurodevelopment, thereby leading to autism spectrum disorders (ASD). Nevertheless, there is little laboratory data to support this epidemiological evidence. In the current study, we carried out a series of experiments to assess whether developmental exposures to different extracts of PM2.5 can result in ASD-like behavioral, biochemical, and immunohistochemical characteristics in male rat offspring. PM2.5 samples were collected daily for a year, and monthly composites were extracted with an acetone-hexane mixture. The extracts were analyzed for their chemical constituents. Three groups of rats were exposed to the different PM2.5 extracts during pre- and postnatal periods. All exposed groups of rats exhibited typical behavioral features of ASD, including increased repetitive and depression-related behaviors. We also found microglia and astrocytes activation and decreased concentrations of oxytocin (OXT) in the brain regions of exposed rats compared with control rats. Comparing the current results with a prior study, the induced biological effects followed a sequence of whole particles of PM2.5 > organic extract > inorganic extract. These findings indicated that exposure to PM2.5 can elicit ASD-like features in rats and raise concerns about particulate matter as a possible trigger for the induction of ASD in humans; therefore, mitigating the contents of the PAHs and metals could reduce the PM2.5 neurotoxicity.
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Affiliation(s)
- Masoumeh Rahmatinia
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Air Quality and Climate Change Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Anoushiravan Mohseni-Bandpei
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Air Quality and Climate Change Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fariba Khodagholi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad-Amin Abdollahifar
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehdi Amouei Torkmahalleh
- Division of Environmental and Occupational Health Sciences, School of Public Health, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Meysam Hassani Moghaddam
- Department of Anatomical Sciences, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Philip K Hopke
- Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Ehsan Ghavimehr
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Shahriyar Bazzazpour
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Shahsavani
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Air Quality and Climate Change Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Yang Y, Wei X, Tian J, Zhu Y, Jia S, Shu Q. Scalp electroacupuncture targeting the VTA DA neurons to relieve negative emotions and promote the alleviation of chronic pain. Front Neurosci 2023; 17:1323727. [PMID: 38188034 PMCID: PMC10771389 DOI: 10.3389/fnins.2023.1323727] [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: 10/18/2023] [Accepted: 11/30/2023] [Indexed: 01/09/2024] Open
Abstract
Object Chronic pain and negative emotions are often linked, and both can impact the reward circuit. The use of electroacupuncture (EA) has been found to regulate and improve these conditions. This study explores the potential mechanism of chronic pain relief by adding acupoints with emotional regulation effect to the basis of routine EA analgesia, to optimize the acupoint compatibility scheme of EA in the treatment of analgesia. Method For this study, 42 male Wistar rats were used. Recombinant adeno-associated viruses were used to label and regulate the activity of dopamine (DA) neurons. The rat model was established by complete Freund's adjuvant (CFA). Lower limb electroacupuncture (LEA) was applied to the ST36 and BL60 acupoints. In addition, LEA + scalp EA (SEA) was given using the GV20 and GV24+ acupoints besides ST36 and BL60. To evaluate the pain threshold, we measured 50% paw withdrawal thresholds and thermal paw withdrawal latencies. Negative emotions were evaluated through the open field test, marble-burying test, sucrose preference test, and forced swimming test. Moreover, the conditional place preference test was conducted to measure the reward behavior in response to pain relief. Immunofluorescence staining, Western blotting, and qPCR were used to detect the activity of the VTADA-NAc reward circuit. Result The injection of CFA significantly lowered the pain threshold. As the pain persisted, the anxiety and depression-like behaviors escalated while the response to reward reduced. Meanwhile, the VTADA-NAc pathway was suppressed with pain chronification. However, activating DA neurons in VTA attenuated the effects induced by CFA. LEA could relieve chronic pain, negative emotions, and reward disorders, while also activating the VTADA-NAc pathway. In addition, LEA + SEA exhibited a more pronounced effect compared with LEA alone. Nevertheless, chemogenetic inhibition of DA neurons decreased the efficacy of LEA + SEA in the treatment of chronic pain and associated comorbidities. Conclusion Adding SEA to conventional LEA effectively alleviates negative emotions and chronic pain, potentially due to the activation of the VTADA-NAc reward neural circuit. Thus, LEA + SEA is a more effective treatment for hyperalgesia and associated negative emotions compared with LEA alone.
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Affiliation(s)
- Yanan Yang
- Department of Traditional Chinese Medicine, China Resources & Wugang General Hospital, Wuhan, China
| | - Xiali Wei
- College of Sports Medicine, Wuhan Sports University, Wuhan, China
| | - Jun Tian
- Department of Rehabilitation, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Ye Zhu
- College of Sports Medicine, Wuhan Sports University, Wuhan, China
- Department of Rehabilitation, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Shaohui Jia
- College of Sports Medicine, Wuhan Sports University, Wuhan, China
| | - Qing Shu
- Department of Rehabilitation, Zhongnan Hospital of Wuhan University, Wuhan, China
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Edem EE, Oguntala OA, Ikuelogbon DA, Nebo KE, Fafure AA, Akinluyi ET, Isaac GT, Kunlere OE. Prolonged ketamine therapy differentially rescues psychobehavioural deficits via modulation of nitro-oxidative stress and oxytocin receptors in the gut-brain-axis of chronically-stressed mice. Psychoneuroendocrinology 2023; 158:106370. [PMID: 37678086 DOI: 10.1016/j.psyneuen.2023.106370] [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: 01/18/2023] [Revised: 07/30/2023] [Accepted: 08/18/2023] [Indexed: 09/09/2023]
Abstract
Ketamine is an anaesthetic known to have short but rapid-acting anti-depressant effects; however, the neurobehavioural effects of its prolonged use and its role on the oxytocin system in the gut-brain axis are largely undetermined. Female BALB/c mice were either exposed to the chronic unpredictable mild stress (CUMS) paradigm for 21 days and then treated with ketamine in four doses for 14 days or exposed to CUMS and treated simultaneously in four doses of ketamine during the last two weeks of CUMS exposure. After each dose, the forced swim test was conducted to assess depressive-like behaviour. Before sacrifice, all the mice were subjected to behavioural tests to assess anxiety, memory, and social interaction. Prolonged treatment of depression with ketamine did not rescue depressive-like behaviour. It did, however, improve depression-associated anxiety-like behaviours, short-term memory and social interaction deficits when compared to the stressed untreated mice. Furthermore, ketamine treatment enhanced plasma oxytocin levels, expression of oxytocin receptors; as well as abrogated nitro-oxidative stress biomarkers in the intestinal and hippocampal tissues. Taken together, our findings indicate that while short-term use of ketamine has anti-depressant benefits, its prolonged therapeutic use does not seem to adequately resolve depressive-like behaviour in mice.
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Affiliation(s)
- Edem Ekpenyong Edem
- Neuroscience Unit, Department of Human Anatomy, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria; Department of Anatomy, College of Medicine, University of Lagos, Idi-Araba, Lagos State, Nigeria.
| | - Oluwatomisn Adeyosola Oguntala
- Neuroscience Unit, Department of Human Anatomy, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria
| | | | - Kate Eberechukwu Nebo
- Neuroscience Unit, Department of Human Anatomy, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria
| | - Adedamola Adediran Fafure
- Neuroscience Unit, Department of Human Anatomy, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria
| | - Elizabeth Toyin Akinluyi
- Neuropharmacology Unit, Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria
| | - Godspower Tochukwu Isaac
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka, Enugu State, Nigeria
| | - Oladunni Eunice Kunlere
- Neuroscience Unit, Department of Human Anatomy, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria
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Gottlieb N, Li TY, Young AH, Stokes PRA. The 5-HT7 receptor system as a treatment target for mood and anxiety disorders: A systematic review. J Psychopharmacol 2023; 37:1167-1181. [PMID: 37994803 PMCID: PMC10714716 DOI: 10.1177/02698811231211228] [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] [Indexed: 11/24/2023]
Abstract
BACKGROUND Preclinical animal and preliminary human studies indicate that 5-HT7 antagonists have the potential as a new treatment approach for mood and anxiety disorders. In this systematic review, we aimed to review the relationship between the 5-HT7 receptor system and mood and anxiety disorders, and to explore the pharmacology and therapeutic potential of medications that target the 5-HT7 receptor for their treatment. METHODS Medline, Cochrane Library, EMBASE, PsycINFO databases, the National Institute of Health website Clinicaltrials.gov, controlled-trials.com, and relevant grey literature were used to search for original research articles, and reference lists of included articles were then hand searched. RESULTS Sixty-four studies were included in the review: 52 animal studies and 12 human studies. Studies used a variety of preclinical paradigms and questionnaires to assess change in mood, and few studies examined sleep or cognition. Forty-four out of 47 (44/47) preclinical 5-HT7 modulation studies identified potential antidepressant effects and 20/23 studies identified potential anxiolytic effects. In clinical studies, 5/7 identified potential antidepressant effects in major depressive disorder, 1/2 identified potential anxiolytic effects in generalized anxiety disorder, and 3/3 identified potential antidepressant effects in bipolar disorders. CONCLUSION While there is some evidence that the 5-HT7 receptor system may be a potential target for treating mood and anxiety disorders, many agents included in the review also bind to other receptors. Further research is needed using drugs that bind specifically to 5-HT7 receptors to examine treatment proof of concept further.
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Affiliation(s)
- Natalie Gottlieb
- Natalie Gottlieb, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, De Crespigny Park, Denmark Hill, London SE5 8AF, UK.
| | | | - Allan H Young
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
| | - Paul RA Stokes
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
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Pujo JM, Fitriani DY, Ben Saad H, Ghariani M, Dghim A, Mellouli M, Burin A, Mutricy R, Houcke S, Roujansky A, Mansyur M, Nkontcho F, de Toffol B, Ben Amara I, Kallel H. The effects of prolonged stress exposure on the brain of rats and insights to understand the impact of work-related stress on caregivers. Front Behav Neurosci 2023; 17:1288814. [PMID: 38098499 PMCID: PMC10720043 DOI: 10.3389/fnbeh.2023.1288814] [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: 09/06/2023] [Accepted: 10/20/2023] [Indexed: 12/17/2023] Open
Abstract
Introduction Stress exposure is a significant concern in the healthcare sector. This animal model study aims to reproduce caregivers' working conditions and determine their impact on the brain. Method Twenty-four healthy male rats of the Wistar strain were divided into four groups. Three groups were submitted each to one stressor for 21 days, while the fourth group was used as a control. Stressors were food and water deprivation (FW), permanent illumination (PI), and forced swimming (FS). At the end of the experiment, rats were euthanized, and stress biomarkers, biological parameters, and DNA damage were measured. Results Prooxidant biomarker rates increased in the different groups (+50 to +75%) compared to the control (p < 0.0001). Urinary corticosterone rates increased in all stressed animals, mainly in the PI group, with changes of up to +50% compared to the control group. Acetylcholinesterase levels decreased to -50% (p < 0.0001 for the three exposed groups). Total ATPase, (Na+/K+)-ATPase, and Mg2+-ATPase activities decreased in all stressed groups. The percentage of brain cell congestion and apoptosis was 3% for the FW group (p < 0.0001), 2% for the PI group (p < 0.0001), and 4% for the FS group (p < 0.0001) compared to the control (0.8%). DNA damage was observed in all exposed groups. Finally, we noticed behavioral changes and a depression-like syndrome in all stressed rats. Conclusion Stressful conditions such as the working environment of caregivers can trigger several pathophysiological processes leading to oxidative, neurochemical, and hypothalamic-pituitary-adrenal disorders. These changes can progress to cell damage and apoptosis in the brain and trigger psychological and physical disorders.
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Affiliation(s)
- Jean Marc Pujo
- Emergency Department, Cayenne General Hospital, Cayenne, French Guiana
| | - Dewi Yunia Fitriani
- Community Medicine Department, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Occupational Medicine Specialist Program, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
- Occupational and Environmental Health Research Center, IMERI, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Hajer Ben Saad
- Laboratory of Medicinal and Environment Chemistry, Higher Institute of Biotechnology, University of Sfax, Sfax, Tunisia
| | - Marwa Ghariani
- Laboratory of Medicinal and Environment Chemistry, Higher Institute of Biotechnology, University of Sfax, Sfax, Tunisia
- Laboratory of Molecular and Cellular Screening Processes (LPCMC), LR15CBS07, Center of Biotechnology of Sfax, University of Sfax, Sfax, Tunisia
| | - Amel Dghim
- Laboratory of Medicinal and Environment Chemistry, Higher Institute of Biotechnology, University of Sfax, Sfax, Tunisia
| | - Manel Mellouli
- Laboratory of Anatomopathology, CHU Habib Bourguiba, University of Sfax, Sfax, Tunisia
| | - Antoine Burin
- Emergency Department, Cayenne General Hospital, Cayenne, French Guiana
| | - Remi Mutricy
- Emergency Department, Cayenne General Hospital, Cayenne, French Guiana
| | - Stephanie Houcke
- Intensive Care Unit, Cayenne General Hospital, Cayenne, French Guiana
| | - Ariane Roujansky
- Intensive Care Unit, Cayenne General Hospital, Cayenne, French Guiana
| | - Muchtaruddin Mansyur
- Community Medicine Department, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Occupational Medicine Specialist Program, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
- Occupational and Environmental Health Research Center, IMERI, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Flaubert Nkontcho
- Pharmacy Department, Cayenne General Hospital, Cayenne, French Guiana
| | | | - Ibtissem Ben Amara
- Laboratory of Medicinal and Environment Chemistry, Higher Institute of Biotechnology, University of Sfax, Sfax, Tunisia
| | - Hatem Kallel
- Intensive Care Unit, Cayenne General Hospital, Cayenne, French Guiana
- Tropical Biome and Immunopathology CNRS UMR-9017, Inserm U 1019, Université de Guyane, Cayenne, French Guiana
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46
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Stupart O, Robbins TW, Dalley JW. "The wrong tools for the right job": a critical meta-analysis of traditional tests to assess behavioural impacts of maternal separation. Psychopharmacology (Berl) 2023; 240:2239-2256. [PMID: 36418564 PMCID: PMC10593619 DOI: 10.1007/s00213-022-06275-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 11/01/2022] [Indexed: 11/25/2022]
Abstract
RATIONALE Unconditioned tasks in rodents have been the mainstay of behavioural assessment for decades, but their validity and sensitivity to detect the behavioural consequences of early life stress (ELS) remains contentious and highly variable. OBJECTIVES In the present study, we carried out a meta-analysis to investigate whether persistent behavioural effects, as assessed using unconditioned procedures in rats, are a reliable consequence of early repeated maternal separation, a commonly used procedure in rodents to study ELS. METHODS A literature search identified 100 studies involving maternally separated rats and the following unconditioned procedures: the elevated plus maze (EPM); open field test (OFT); sucrose preference test (SPT) and forced swim task (FST). Studies were included for analysis if the separation of offspring from the dam was at least 60 min every day during the pre-weaning period prior to the start of adolescence. RESULTS Our findings show that unconditioned tasks are generally poor at consistently demonstrating differences between control and separated groups with pooled effect sizes that were either small or non-existent (EPM: Hedge's g = - 0.35, p = 0.01, OFT: Hedge's g = - 0.32, p = 0.05, SPT: Hedge's g = - 0.33, p = 0.21, FST: Hedge's g = 0.99, p = 0.0001). Despite considerable procedural variability between studies, heterogeneity statistics were low; indicating the lack of standardization in the maternal separation protocol was the not the cause of these inconsistent effects. CONCLUSIONS Our findings indicate that in general, unconditioned tests of depression and anxiety are not sufficient to reveal the full behavioural repertoire of maternal separation stress should not be relied upon in isolation. We argue that more objective tasks that sensitively detect specific cognitive processes are better suited for translational research on stress-related disorders such as depression.
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Affiliation(s)
- Olivia Stupart
- Department of Psychology, University of Cambridge, Downing St, Cambridge, CB2 3EB, UK
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing St, Cambridge, CB2 3EB, UK
| | - Trevor W Robbins
- Department of Psychology, University of Cambridge, Downing St, Cambridge, CB2 3EB, UK
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing St, Cambridge, CB2 3EB, UK
| | - Jeffrey W Dalley
- Department of Psychology, University of Cambridge, Downing St, Cambridge, CB2 3EB, UK.
- Department of Psychiatry, Hershel Smith Building for Brain and Mind Sciences, Cambridge, CB2 OSZ, UK.
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Downing St, Cambridge, CB2 3EB, UK.
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Qin L, Wang J, Wu X, Song L, Zhang Y, Gong M, Wang Y, Li B. Antidepressant effects of 70% ethanolic extract of Lonicerae japonicae flos and it contained chlorogenic acid via upregulation of BDNF-TrkB pathway in the hippocampus of mice. Brain Res Bull 2023; 204:110796. [PMID: 37863440 DOI: 10.1016/j.brainresbull.2023.110796] [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: 07/12/2023] [Revised: 09/25/2023] [Accepted: 10/17/2023] [Indexed: 10/22/2023]
Abstract
Lonicera japonica flos (LJF) is a common clinical herb with outstanding medicinal and nutritional value. This study aimed to evaluate the antidepressant effects of LJF's active extract and compound chlorogenic acid (CGA) around brain-derived neurotrophic factor(BDNF)-tropomyosin receptor kinase B (TrkB) pathway. The results showed that LJF's extracts and CGA had significant antidepressant effects, and the antidepressant effects of different extracts of LJF were highly positively correlated with the content of CGA (forced swimming test, r = 0.998; tail suspension test, r = 0.934). Moreover, LJF-70% ethanolic extract and CGA improved chronic unpredictable mild stress-induced depressive behavior, upregulated protein expression levels of BDNF and p-TrkB in the hippocampus, restored the damage of hippocampal neurons, and protected liver from damage. In summary, this study demonstrated for the first time that LJF-70% ethanolic extract was the active extract of LJF in antidepressant and CGA was its active compound, and the antidepressant mechanisms mainly involved the upregulation of BDNF-TrkB signaling pathway in the hippocampus of mice.
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Affiliation(s)
- Lingyu Qin
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Junming Wang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases by Henan & Education Ministry, Henan University of Chinese Medicine, Zhengzhou 450046, China.
| | - Xiaohui Wu
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Lingling Song
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Yueyue Zhang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Mingzhu Gong
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Yanmei Wang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Bingyin Li
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
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48
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Farber C, Renteria K, Ritter J, Muraida JD, Rivers C, McKenzie A, Zhu J, Koh GY, Lane MA. Comparison of maternal versus postweaning ingestion of a high fat, high sucrose diet on depression-related behavior, novelty reactivity, and corticosterone levels in young, adult rat offspring. Behav Brain Res 2023; 455:114677. [PMID: 37734488 DOI: 10.1016/j.bbr.2023.114677] [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: 06/19/2023] [Revised: 08/30/2023] [Accepted: 09/17/2023] [Indexed: 09/23/2023]
Abstract
Consumption of a Western-type diet, high in fat and sugar, by mothers as well as maternal weight gain and obesity during gestation and lactation may impact offspring risk for mood and cognitive disorders. The objective of this study was to determine if ingestion of a high fat, high sucrose (HFS) diet by rat dams during gestation and lactation or by their pups after weaning impacted these behaviors and stress responsivity in young, adult offspring. To accomplish this, dams consumed either a 45% fat/high sucrose (HFS) diet or the AIN93G control diet during gestation and lactation. At weaning, pups from dams that consumed the HFS diet were weaned to the control diet. Pups from dams assigned to the control diet were weaned to either the control or HFS diet. Pup behavioral testing began at 10 weeks of age. Pups whose dams consumed the HFS diet during gestation and lactation exhibited increased depression-related behavior and baseline serum corticosterone levels, but no difference in peak levels in response to stress. Male pups of these dams displayed increased working memory during acquisition of the holeboard task and tended to exhibit more anxiety-related behavior in the elevated O-maze test. Regardless of when consumed, the HFS diet increased novelty reactivity in the open field test. These data indicate that diet but not maternal weight gain during gestation impacts offspring behavior and elevates stress hormone levels. Also, regardless of when consumed, the HFS diet increases novelty reactivity, a risk factor for depression and addiction.
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Affiliation(s)
- Christopher Farber
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, 601 University Dr., San Marcos, TX 78666, United States
| | - Karisa Renteria
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, 601 University Dr., San Marcos, TX 78666, United States
| | - Jordan Ritter
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, 601 University Dr., San Marcos, TX 78666, United States
| | - J D Muraida
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, 601 University Dr., San Marcos, TX 78666, United States
| | - Carley Rivers
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, 601 University Dr., San Marcos, TX 78666, United States
| | - Avery McKenzie
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, 601 University Dr., San Marcos, TX 78666, United States
| | - Jie Zhu
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, 601 University Dr., San Marcos, TX 78666, United States
| | - Gar Yee Koh
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, 601 University Dr., San Marcos, TX 78666, United States
| | - Michelle A Lane
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, 601 University Dr., San Marcos, TX 78666, United States.
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49
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Morimoto K, Watanuki S, Eguchi R, Kitano T, Otsuguro KI. Short-term memory impairment following recovery from systemic inflammation induced by lipopolysaccharide in mice. Front Neurosci 2023; 17:1273039. [PMID: 37920299 PMCID: PMC10618367 DOI: 10.3389/fnins.2023.1273039] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 09/27/2023] [Indexed: 11/04/2023] Open
Abstract
The relationship between neuroinflammation and mental disorders has been recognized and investigated for over 30 years. Diseases of systemic or peripheral inflammation, such as sepsis, peritonitis, and infection, are associated with increased risk of mental disorders with neuroinflammation. To elucidate the pathogenesis, systemic administration of lipopolysaccharide (LPS) in mice is often used. LPS-injected mice exhibit behavioral abnormalities with glial activation. However, these studies are unlikely to recapitulate the clinical pathophysiology of human patients, as most studies focus on the acute inflammatory response with systemic symptoms occurring within 24 h of LPS injection. In this study, we focus on the effects of LPS on behavioral abnormalities following recovery from systemic symptoms and investigate the mechanisms of pathogenesis. Several behavioral tests were performed in LPS-injected mice, and to assess neuroinflammation, the time course of the morphological change and expression of inflammatory factors in neurons, astrocytes, and microglia were investigated. At 7 days post-LPS injection, mice exhibited short-term memory impairment accompanied by the suppression of neuronal activity and increases in morphologically immature spines. Glial cells were transiently activated in the hippocampus concomitant with upregulation of the microglial phagocytosis marker CD68 3 days after injection. Here we show that transient glial cell activation in the acute response phase affects neuronal activity and behavior following recovery from systemic symptoms. These findings provide novel insights for studies using the LPS-induced inflammation model and that will contribute to the development of treatments for mental disorders of this etiology.
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Affiliation(s)
- Kohei Morimoto
- Laboratory of Pharmacology, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan
| | - Shu Watanuki
- Laboratory of Pharmacology, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan
| | - Ryota Eguchi
- Laboratory of Pharmacology, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan
| | - Taisuke Kitano
- Laboratory of Veterinary Biochemistry, School of Veterinary Medicine, Kitasato University, Aomori, Japan
| | - Ken-ichi Otsuguro
- Laboratory of Pharmacology, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan
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50
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Tung TH, Lai WD, Lee HC, Su KP, Panunggal B, Huang SY. Attenuation of Chronic Stress-Induced Depressive-like Symptoms by Fish Oil via Alleviating Neuroinflammation and Impaired Tryptophan Metabolism in Aging Rats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14550-14561. [PMID: 37769277 PMCID: PMC10915802 DOI: 10.1021/acs.jafc.3c01784] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 09/14/2023] [Accepted: 09/18/2023] [Indexed: 09/30/2023]
Abstract
The prevalence of depression is increasing, and geriatric depression, in particular, is difficult to recognize and treat. Depression in older adults is often accompanied by neuroinflammation in the central nervous system (CNS). Neuroinflammation affects the brain's physiological and immune functions through several pathways and induces depressive symptoms. This study investigated the relationship among depression, neuroinflammation, and fish oil supplementation. Thirty-six male Sprague-Dawley rats were used in an aging-related depression animal model to simulate geriatric depression. Cognitive function, depressive-like symptoms, peripheral nervous system and CNS inflammation status, and the tryptophan-related metabolic pathway were analyzed. The geriatric depression animal model was associated with depressive-like behaviors and cognitive impairment. The integrity of the blood-brain barrier was compromised, resulting in increased expression of ionized calcium-binding adapter molecule 1 and the glial fibrillary acidic protein in the brain, indicating increased neuroinflammation. Tryptophan metabolism was also negatively affected. The geriatric-depressive-like rats had high levels of neurotoxic 5-hydroxyindoleacetic acid and kynurenine in their hippocampus. Fish oil intake improved depressive-like symptoms and cognitive impairment, reduced proinflammatory cytokine expression, activated the brain's glial cells, and increased the interleukin-10 level in the prefrontal cortex. Thus, fish oil intervention could ameliorate abnormal neurobehaviors and neuroinflammation and elevate the serotonin level in the hippocampus.
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Affiliation(s)
- Te-Hsuan Tung
- School
of Nutrition and Health Sciences, Taipei
Medical University, Taipei 110301, Taiwan
| | - Wen-De Lai
- School
of Nutrition and Health Sciences, Taipei
Medical University, Taipei 110301, Taiwan
| | - Hsiu-Chuan Lee
- School
of Nutrition and Health Sciences, Taipei
Medical University, Taipei 110301, Taiwan
| | - Kuan-Pin Su
- Department
of Psychiatry & Mind-Body Interface Laboratory (MBI-Lab), China Medical University Hospital, Taichung 404018, Taiwan
- College of
Medicine, China Medical University, Taichung 404018, Taiwan
| | - Binar Panunggal
- School
of Nutrition and Health Sciences, Taipei
Medical University, Taipei 110301, Taiwan
- Department
of Nutrition Science, Faculty of Medicine, Diponegoro University, Semarang 50275, Indonesia
- Center
of Nutrition Research, Diponegoro University, Semarang 50275, Indonesia
| | - Shih-Yi Huang
- School
of Nutrition and Health Sciences, Taipei
Medical University, Taipei 110301, Taiwan
- Graduate
Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei 110301, Taiwan
- Nutrition
Research Centre, Taipei Medical University
Hospital, Taipei 110301, Taiwan
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