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Pan SM, Yin XY, Dai DM, Zhang LW, Qi Q, Wang PJ, Hui L, Zhu ZH. Unraveling the potential of Morinda officinalis oligosaccharides as an adjuvant of escitalopram in depression treatment and exploring the underlying mechanisms. JOURNAL OF ETHNOPHARMACOLOGY 2024; 328:118124. [PMID: 38556138 DOI: 10.1016/j.jep.2024.118124] [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: 12/12/2023] [Revised: 03/07/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024]
Abstract
ETHNOPHAMACOLOGICAL RELEVANCE Morinda officinalis oligosaccharides (MOs) is a mixture of oligosaccharides extracted from the roots of Morinda officinalis (MO). It is approved by Chinese Food and Drug Administration (CFDA) for depression treatment. MOs could improve the antidepressant efficacy of escitalopram in clinic. AIM OF THE STUDY We aim to explore the antidepressant activity and potential mechanism of the combination usage of MOs and escitalopram on animal model of depression. MATERIALS AND METHODS Depressive animal model was induced by chronic mild stress (CMS). Behavioral tests were conducted to evaluate the antidepressant efficacy of MOs and escitalopram. Serum neurotransmitter levels were detected by High-performance liquid chromatography (HPLC). Quantitative real-time PCR and Western blotting were applied to assay the hippocampus neurotrophic factors' mRNA and protein levels. Peripheral cytokines levels were measured through Enzyme-Linked Immunosorbent Assay (ELISA). Micorglia polization phenotype was assayed by immunofluorescence and flow cytometry. RESULTS MOs and escitalopram obviously attenuated depression-like behaviors of CMS mice. Importantly, MOs plus escitalopram exhibited better antidepressant activity on CMS mice than monotherapy. At the same time, MOs combined escitalopram treatment significantly increased hippocampus neurotransmitters and neurotrophic factor levels, stimulated hippocampus neurogenesis and relieved central nervous system (CNS) microglia over-activation of CMS mice. The combination therapy had greater effect on neuroprotection and inflammation attenuation of CMS mice than monotherapy. CONCLUSION Our results indicates MOs combined escitalopram might produce antidepressant activity through protecting neuron activity, relieving inflammation and modulating microglia polarization process.
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Affiliation(s)
- Shu-Man Pan
- Department of Pharmacy, Suzhou Guangji Hospital, Medical College of Soochow University, Suzhou, 215137, Jiangsu, PR China
| | - Xu-Yuan Yin
- Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, Suzhou, 215137, Jiangsu, PR China
| | - Dong-Mei Dai
- Medical College of Soochow University, Suzhou, 215123, PR China
| | - Li-Wan Zhang
- Medical College of Soochow University, Suzhou, 215123, PR China
| | - Qi Qi
- Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, Suzhou, 215137, Jiangsu, PR China
| | - Pei-Jie Wang
- Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, Suzhou, 215137, Jiangsu, PR China
| | - Li Hui
- Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, Suzhou, 215137, Jiangsu, PR China.
| | - Zhen-Hua Zhu
- Research Center of Biological Psychiatry, Suzhou Guangji Hospital, Medical College of Soochow University, Suzhou, 215137, Jiangsu, PR China.
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Rodrigues RS, Moreira JB, Mateus JM, Barateiro A, Paulo SL, Vaz SH, Lourenço DM, Ribeiro FF, Soares R, Loureiro-Campos E, Bielefeld P, Sebastião AM, Fernandes A, Pinto L, Fitzsimons CP, Xapelli S. Cannabinoid type 2 receptor inhibition enhances the antidepressant and proneurogenic effects of physical exercise after chronic stress. Transl Psychiatry 2024; 14:170. [PMID: 38555299 PMCID: PMC10981758 DOI: 10.1038/s41398-024-02877-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 03/05/2024] [Accepted: 03/14/2024] [Indexed: 04/02/2024] Open
Abstract
Chronic stress is a major risk factor for neuropsychiatric conditions such as depression. Adult hippocampal neurogenesis (AHN) has emerged as a promising target to counteract stress-related disorders given the ability of newborn neurons to facilitate endogenous plasticity. Recent data sheds light on the interaction between cannabinoids and neurotrophic factors underlying the regulation of AHN, with important effects on cognitive plasticity and emotional flexibility. Since physical exercise (PE) is known to enhance neurotrophic factor levels, we hypothesised that PE could engage with cannabinoids to influence AHN and that this would result in beneficial effects under stressful conditions. We therefore investigated the actions of modulating cannabinoid type 2 receptors (CB2R), which are devoid of psychotropic effects, in combination with PE in chronically stressed animals. We found that CB2R inhibition, but not CB2R activation, in combination with PE significantly ameliorated stress-evoked emotional changes and cognitive deficits. Importantly, this combined strategy critically shaped stress-induced changes in AHN dynamics, leading to a significant increase in the rates of cell proliferation and differentiation of newborn neurons, overall reduction in neuroinflammation, and increased hippocampal levels of BDNF. Together, these results show that CB2Rs are crucial regulators of the beneficial effects of PE in countering the effects of chronic stress. Our work emphasises the importance of understanding the mechanisms behind the actions of cannabinoids and PE and provides a framework for future therapeutic strategies to treat stress-related disorders that capitalise on lifestyle interventions complemented with endocannabinoid pharmacomodulation.
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Affiliation(s)
- R S Rodrigues
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Université de Bordeaux, INSERM, Neurocentre Magendie, Bordeaux, France
| | - J B Moreira
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - J M Mateus
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - A Barateiro
- Central Nervous System, blood and peripheral inflammation, Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal
- Department of Pharmaceutical Sciences and Medicines, Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal
| | - S L Paulo
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - S H Vaz
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - D M Lourenço
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - F F Ribeiro
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - R Soares
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - E Loureiro-Campos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - P Bielefeld
- Swammerdam Institute for Life Sciences, Faculty of Science, University of Amsterdam, Amsterdam, The Netherlands
| | - A M Sebastião
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - A Fernandes
- Central Nervous System, blood and peripheral inflammation, Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal
- Department of Pharmaceutical Sciences and Medicines, Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal
| | - L Pinto
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - C P Fitzsimons
- Swammerdam Institute for Life Sciences, Faculty of Science, University of Amsterdam, Amsterdam, The Netherlands
| | - S Xapelli
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.
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3
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Mónica FR, Gerardo Bernabé RR, Rodrigo GZ, Melissa SB, Lorena RB. Relationship between inflammatory markers in human olfactory neural progenitor cells and antidepressant response. J Psychiatr Res 2024; 171:277-285. [PMID: 38330627 DOI: 10.1016/j.jpsychires.2024.01.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 01/03/2024] [Accepted: 01/22/2024] [Indexed: 02/10/2024]
Abstract
Response to antidepressants is related to hippocampal neurogenesis integrity, a process mediated by neurotrophins, such as Brain Derived Neurotrophic Factor (BDNF). In turn, pro-inflammatory state appears to reduce neurogenesis, and has been associated with refractory depressive states. We propose to analyze the human neural progenitor cells derived from the olfactory epithelium (HNPCs-OE) as an indicator of neurogenesis in humans. Therefore, we compared the number and content of HNPCs-OE in depressed patients taking antidepressants, according to response to treatment. Twenty depressed patients were followed during eight weeks after antidepressant treatment was prescribed. At the end evaluation they were divided in two groups according to Hamilton depression rating scale (HDRS) scores: responders and non-responders. We compared the number and components of HNPCs-OE between groups and observed an elevation of interleukine-8 in those patients who do not achieve response to treatment, BDNF levels were no related to antidepressant response.
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Affiliation(s)
- Flores-Ramos Mónica
- Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Calzada México-Xochimilco 101, San Lorenzo Huipulco, Tlalpan, Ciudad de México, Mexico.
| | - Ramírez-Rodríguez Gerardo Bernabé
- Laboratorio de Neurogénesis, Subdirección de Investigaciones Clínicas, Instituto Nacional de Psiquiatría "Ramón de la Fuente Muñiz", Calzada México-Xochimilco 101, 14370, Ciudad de México, Mexico
| | - Guiza Zayas Rodrigo
- Médico residente, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Calzada México-Xochimilco 101, San Lorenzo Huipulco, Tlalpan, Ciudad de México, Mexico
| | - Solares-Bravo Melissa
- Prácticas profesionales, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Calzada México-Xochimilco 101, San Lorenzo Huipulco, Tlalpan, Ciudad de México, Mexico
| | - Rodríguez-Bores Lorena
- Universidad Panamericana, Augusto Rodin No. 498, Insurgentes Mixcoac, Benito Juárez, 03920, Ciudad de México, CDMX, Mexico
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4
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Guo Y, Yang Y. Progress of plant polyphenol extracts in treating depression by anti-neuroinflammatory mechanism: A review. Medicine (Baltimore) 2024; 103:e37151. [PMID: 38306547 PMCID: PMC10843529 DOI: 10.1097/md.0000000000037151] [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: 11/28/2023] [Accepted: 01/11/2024] [Indexed: 02/04/2024] Open
Abstract
There is a growing body of evidence supporting the involvement of central nervous system inflammation in the pathophysiology of depression. Polyphenols are a diverse group of compounds known for their antioxidative and anti-inflammatory properties. They offer a promising and effective supplementary approach to alleviating neuropsychiatric symptoms associated with inflammation-induced depression. This paper provides a summary of the potential anti-neuroinflammatory mechanisms of plant polyphenol extracts against depression. This includes direct interference with inflammatory regulators and inhibition of the expression of pro-inflammatory cytokines. Additionally, it covers downregulating the expression of pro-inflammatory cytokines by altering protein kinases or affecting the activity of the signaling pathways that they activate. These pathways interfere with the conduction of signaling molecules, resulting in the destruction and reduced synthesis of all inflammatory mediators and cytokines. This reduces the apoptosis of neurons and plays a neuroprotective role. This paper provides a theoretical basis for the clinical application of plant polyphenols.
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Affiliation(s)
- Yuting Guo
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yan Yang
- Medical Department, The Third Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
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5
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Dutton M, Boyes A, Can AT, Mohamed AZ, Hajishafiee M, Shan ZY, Lagopoulos J, Hermens DF. Hippocampal subfield volumes predict treatment response to oral ketamine in people with suicidality. J Psychiatr Res 2024; 169:192-200. [PMID: 38042058 DOI: 10.1016/j.jpsychires.2023.11.040] [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: 06/28/2023] [Revised: 10/31/2023] [Accepted: 11/22/2023] [Indexed: 12/04/2023]
Abstract
Ongoing stress results in hippocampal neuro-structural alterations which produce pathological consequences, including depression and suicidality. Ketamine may ameliorate stress related illnesses, including suicidality, via neuroplasticity processes. This novel study sought to determine whether oral ketamine treatment specifically affects hippocampal (whole and subfield) volumes in patients with chronic suicidality and MDD. It was hypothesised that oral ketamine treatment would differentially alter hippocampal volumes in trial participants categorised as ketamine responders, versus those who were non-responders. Twenty-eight participants received 6 single, weekly doses of oral ketamine (0.5-3 mg/kg) and underwent MRI scans at pre-ketamine (week 0), post-ketamine (week 6), and follow up (week 10). Hippocampal subfield volumes were extracted using the longitudinal pipeline in FreeSurfer. Participants were grouped according to ketamine response status and then compared in terms of grey matter volume (GMV) changes, among 10 hippocampal regions, over 6 and 10 weeks. Mixed ANOVAs were used to analyse interactions between time and group. Post treatment analysis revealed a significant main effect of group for three left hippocampal GMVs as well in the left and right whole hippocampus. Ketamine acute responders (Week 6) showed increased GMVs in both left and right whole hippocampus and in three subfields compared to acute non-responders, across all three timepoints, suggesting that pre-treatment increased hippocampal GMVs (particularly left hemisphere) may be predictive biomarkers of acute treatment response. Future studies should further investigate the potential of hippocampal volumes as a biomarker of ketamine treatment response.
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Affiliation(s)
- Megan Dutton
- Thompson Institute, University of the Sunshine Coast, Queensland, Australia.
| | - Amanda Boyes
- Thompson Institute, University of the Sunshine Coast, Queensland, Australia
| | - Adem T Can
- Thompson Institute, University of the Sunshine Coast, Queensland, Australia
| | - Abdalla Z Mohamed
- Thompson Institute, University of the Sunshine Coast, Queensland, Australia
| | - Maryam Hajishafiee
- Thompson Institute, University of the Sunshine Coast, Queensland, Australia
| | - Zack Y Shan
- Thompson Institute, University of the Sunshine Coast, Queensland, Australia
| | - Jim Lagopoulos
- Thompson Institute, University of the Sunshine Coast, Queensland, Australia
| | - Daniel F Hermens
- Thompson Institute, University of the Sunshine Coast, Queensland, Australia
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6
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Takahashi Y, Ojiro R, Yamashita R, Shimizu S, Maeda N, Zou X, Tang Q, Ozawa S, Woo GH, Yoshida T, Shibutani M. Suppression of neurogranin expression by disruption of epigenetic DNA methylation in hippocampal mature granule cells after developmental exposure to neurotoxicants in rats. Toxicol Lett 2023; 390:33-45. [PMID: 37926403 DOI: 10.1016/j.toxlet.2023.10.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 10/16/2023] [Accepted: 10/30/2023] [Indexed: 11/07/2023]
Abstract
We previously performed comprehensive analyses of genes hypermethylated promoter regions and downregulated transcripts in the hippocampal dentate gyrus (DG) of rats upon weaning at postnatal day (PND) 21 after developmental exposure to 6-propyl-2-thiouracil (PTU), valproic acid, and glycidol (GLY), all of which are known to show irreversible effects on hippocampal neurogenesis in adulthood on PND 77. Here, we selected neurotransmitter and neurogenesis-related genes for validation analysis of methylation and expression. As a result, Nrgn by GLY and Shisa7, Agtpbp1, and Cyp46a1 by PTU underwent DNA hypermethylation and sustained downregulation. Immunohistochemical analysis of candidate gene products revealed that the number of neurogranin (NRGN)+ granule cells was decreased in the ventral DG by GLY on PND 21 and 77 and by PTU on PND 21. Among the samples of developmental or 28-day young adult-age exposure to known developmental neurotoxicants in humans, i.e., lead acetate, ethanol, and aluminum chloride, a decrease of NRGN+ cells by ethanol was also observed on PND 77 after developmental exposure. Double immunohistochemistry analysis revealed that NRGN was expressed in mature granule cells, and a similar immunoreactive cell distribution was found for phosphorylated calcium/calmodulin-activated protein kinase, a NRGN downstream molecule. After developmental PTU exposure, the number of activity-regulated cytoskeleton-associated protein+ granule cells was also profoundly decreased in the ventral DG in parallel with the decrease in NRGN+ cells on PND 21. These results suggest that NRGN is a potential marker for suppression of synaptic plasticity in mature granule cells in the ventral DG.
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Affiliation(s)
- Yasunori Takahashi
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Ryota Ojiro
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Risako Yamashita
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Saori Shimizu
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Natsuno Maeda
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Xinyu Zou
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Qian Tang
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Shunsuke Ozawa
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Gye-Hyeong Woo
- Laboratory of Histopathology, Department of Clinical Laboratory Science, Semyung University, 65 Semyung-ro, Jecheon-si, Chungbuk 27136, Republic of Korea
| | - Toshinori Yoshida
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Makoto Shibutani
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan; Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan.
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7
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Raballo A, Poletti M, Preti A. Do antidepressants prevent transition to psychosis in individuals at clinical high-risk (CHR-P)? Systematic review and meta-analysis. Psychol Med 2023; 53:4550-4560. [PMID: 35655405 DOI: 10.1017/s0033291722001428] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Emerging meta-analytical evidence indicates that baseline exposure to antipsychotics in individuals at clinical high-risk for psychosis (CHR-P) is associated with a higher risk of an imminent transition to psychosis. Despite their tolerability profile and potential beneficial effects, baseline exposure to antidepressants (AD) in CHR-P has surprisingly received far less attention as a potential risk modulator for transition to psychosis. The current systematic review and meta-analysis were performed to fix such a knowledge gap. METHODS Systematic scrutiny of Medline and Cochrane library, performed up to 1 August 2021, searching for English-language studies on CHR-P reporting numeric data about the sample, the transition outcome at a predefined follow-up time and raw data on AD baseline exposure in relation to such outcome. RESULTS Of 1942 identified records, 16 studies were included in the systematic review and meta-analysis. 26% of the participants were already exposed to AD at baseline; at the end of the follow-up 13.5% (95% CI 10.2-17.1%) of them (n = 448) transitioned to psychosis against 21.0% (18.9 to 23.3%) of non-AD exposed CHR-P (n = 1371). CHR-P participants who were already under AD treatment at baseline had a lower risk of transition than non-AD exposed CHR-P. The RR was 0.71 (95% CI 0.56-0.90) in the fixed-effects model (z = -2.79; p = 0.005), and 0.78 (0.58-1.05) in the random-effects model (z = -1.77; p = 0.096; tau-squared = 0.059). There was no relevant heterogeneity (Cochran's Q = 18.45; df = 15; p = 0.239; I2 = 18.7%). CONCLUSIONS Ongoing AD exposure at inception in CHR-P is associated to a reduced risk of transition to psychosis at follow up.
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Affiliation(s)
- Andrea Raballo
- Section of Psychiatry, Clinical Psychology and Rehabilitation, Department of Medicine, University of Perugia, Perugia, Italy
- Center for Translational, Phenomenological and Developmental Psychopathology (CTPDP), Perugia University Hospital, Perugia, Italy
| | - Michele Poletti
- Department of Mental Health and Pathological Addiction, Child and Adolescent Neuropsychiatry Service, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Antonio Preti
- Department of Neuroscience, University of Turin, Turin, Italy
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Qiu X, Lu P, Zeng X, Jin S, Chen X. Study on the Mechanism for SIRT1 during the Process of Exercise Improving Depression. Brain Sci 2023; 13:brainsci13050719. [PMID: 37239191 DOI: 10.3390/brainsci13050719] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
The mechanism behind the onset of depression has been the focus of current research in the neuroscience field. Silent information regulator 1 (SIRT1) is a key player in regulating energy metabolism, and it can regulate depression by mediating the inflammatory response (e.g., nuclear factor-kappa B (NF-κB), tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β)), gene expression in the nucleus accumben (NAc) and CA1 region of the hippocampus (e.g., nescient helix-loop-helix2 (NHLH2), monoamine oxidase (MAO-A), and 5-Hydroxyindole-3-acetic acid (5-HIAA)), and neuronal regeneration in the CA3 region of the hippocampus. Exercise is an important means to improve energy metabolism and depression, but it remains to be established how SIRT1 acts during exercise and improves depression. By induction and analysis, SIRT1 can be activated by exercise and then improve the function of the hypothalamic-pituitary-adrenal (HPA) axis by upregulating brain-derived neurotrophic factors (BDNF), inhibit the inflammatory response (suppression of the NF-κB and TNF-α/indoleamine 2,3-dioxygenase (IDO)/5-Hydroxytryptamine (5-HT) pathways), and promote neurogenesis (activation of the insulin-like growth factor1 (IGF-1) and growth-associated protein-43 (GAP-43) pathways, etc.), thereby improving depression. The present review gives a summary and an outlook based on this finding and makes an analysis, which will provide a new rationale and insight for the mechanism by which exercise improves depression.
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Affiliation(s)
- Xiao Qiu
- College of Physical Education, Yangzhou University, Yangzhou 225127, China
| | - Pengcheng Lu
- College of Physical Education, Yangzhou University, Yangzhou 225127, China
| | - Xinyu Zeng
- College of Physical Education, Yangzhou University, Yangzhou 225127, China
| | - Shengjie Jin
- College of Physical Education, Yangzhou University, Yangzhou 225127, China
| | - Xianghe Chen
- College of Physical Education, Yangzhou University, Yangzhou 225127, China
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9
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Fan X, Zhao Z, Huang Z, Wu M, Wang D, Xiao J. Mineralocorticoid receptor agonist aldosterone rescues hippocampal neural stem cell proliferation defects and improves postoperative cognitive function in aged mice. World J Biol Psychiatry 2023; 24:149-161. [PMID: 35615969 DOI: 10.1080/15622975.2022.2082524] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVES Hippocampal neurogenesis is closely related to learning and memory, and hippocampal neurogenesis disorders are involved in the development of many neurodegenerative diseases. Mineralocorticoid receptor (MR) plays a vital role in regulating stress response, neuroendocrine and cognitive functions, and is involved in regulating the integrity and stability of neural networks. However, the potential role of MR in the pathogenesis of postoperative cognitive dysfunction (POCD) is unclear. Therefore, this study evaluated the effect and mechanism of MR activation on postoperative hippocampal neurogenesis and cognitive function in aged mice. METHODS 18-month-old male Kunming mice were randomly divided into Control group (C group), Surgery group (S group), Surgery+ Aldosterone group (S+Aldo group), Surgery + Wortmannin group (S+Wort group), Surgery + Aldosterone + Wortmannin group (S+Aldo+Wort group). Laparotomy was used to establish an animal model of postoperative cognitive dysfunction. After surgery, mice were intraperitoneally injected with aldosterone (100 ug/kg,150 ug/kg,200 ug/kg) and / or wortmannin (1 mg/kg); One day before the sacrifice, mice were injected intraperitoneally with BrdU (100 mg / kg / time, 3 times in total). Mice were subjected to Morris water maze and field tests at 1, 3, 7, and 14 days after surgery. Immunofluorescence was used to detect the number of BrdU +, Nestin +, BrdU/Nestin + positive cells in the hippocampal dentate gyrus of mice at 1, 3, 7 and 14 days after surgery. Western-blot was used to detect PI3K/Akt/GSK-3β signaling pathway related proteins Akt, p-Akt, GSK-3β, P-GSK-3β expression. RESULTS Stress impairs the performance of aged mice in water maze and open field tests, reduces the number of BrdU/Nestin+ cells in the hippocampal dentate gyrus, and inhibits the phosphorylation of Akt and GSK-3β proteins in the hippocampus. Aldosterone treatment promotes P-Akt, P-GSK-3β protein expression and hippocampal neural stem cell proliferation, and improves postoperative cognitive dysfunction. However, wortmannin treatment significantly reversed these effects of aldosterone. CONCLUSIONS The mineralocorticoid receptor agonist aldosterone promotes the proliferation of hippocampal neural stem cells and improves cognitive dysfunction in aged mice after surgery, and the mechanism may be related to activation of PI3K/Akt/GSK-3β signaling.
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Affiliation(s)
- Xuhong Fan
- Department of Anesthesiology, The Second Affiliated Hospital of University of South China, Hengyang, China
| | - Zhenyu Zhao
- Department of Anesthesiology, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Zixia Huang
- Department of Anesthesiology, The Second Affiliated Hospital of University of South China, Hengyang, China
| | - Mingyue Wu
- Department of Anesthesiology, The Second Affiliated Hospital of University of South China, Hengyang, China
| | - Deming Wang
- Department of Anesthesiology, The Second Affiliated Hospital of University of South China, Hengyang, China
| | - Ji Xiao
- Department of Anesthesiology, The Second Affiliated Hospital of University of South China, Hengyang, China
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10
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Larosa A, Wong TP. The hippocampus in stress susceptibility and resilience: Reviewing molecular and functional markers. Prog Neuropsychopharmacol Biol Psychiatry 2022; 119:110601. [PMID: 35842073 DOI: 10.1016/j.pnpbp.2022.110601] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 06/22/2022] [Accepted: 07/10/2022] [Indexed: 10/17/2022]
Abstract
Understanding the individual variability that comes with the likelihood of developing stress-related psychopathologies is of paramount importance when addressing mechanisms of their neurobiology. This article focuses on the hippocampus as a region that is highly influenced by chronic stress exposure and that has strong ties to the development of related disorders, such as depression and post-traumatic stress disorder. We first outline three commonly used animal models that have been used to separate animals into susceptible and resilient cohorts. Next, we review molecular and functional hippocampal markers of susceptibility and resilience. We propose that the hippocampus plays a crucial role in the differences in the processing and storage of stress-related information in animals with different stress susceptibilities. These hippocampal markers not only help us attain a more comprehensive understanding of the various facets of stress-related pathophysiology, but also could be targeted for the development of new treatments.
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Affiliation(s)
- Amanda Larosa
- Neuroscience Division, Douglas Research Centre, Montreal, QC, Canada; Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada
| | - Tak Pan Wong
- Neuroscience Division, Douglas Research Centre, Montreal, QC, Canada; Dept. of Psychiatry, McGill University, Montreal, QC, Canada.
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11
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Sah A, Rooney S, Kharitonova M, Sartori SB, Wolf SA, Singewald N. Enriched Environment Attenuates Enhanced Trait Anxiety in Association with Normalization of Aberrant Neuro-Inflammatory Events. Int J Mol Sci 2022; 23:13052. [PMID: 36361832 PMCID: PMC9657487 DOI: 10.3390/ijms232113052] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/14/2022] [Accepted: 10/20/2022] [Indexed: 11/22/2022] Open
Abstract
Neuroinflammation is discussed to play a role in specific subgroups of different psychiatric disorders, including anxiety disorders. We have previously shown that a mouse model of trait anxiety (HAB) displays enhanced microglial density and phagocytic activity in key regions of anxiety circuits compared to normal-anxiety controls (NAB). Using minocycline, we provided causal evidence that reducing microglial activation within the dentate gyrus (DG) attenuated enhanced anxiety in HABs. Besides pharmacological intervention, "positive environmental stimuli", which have the advantage of exerting no side-effects, have been shown to modulate inflammation-related markers in human beings. Therefore, we now investigated whether environmental enrichment (EE) would be sufficient to modulate upregulated neuroinflammation in high-anxiety HABs. We show for the first time that EE can indeed attenuate enhanced trait anxiety, even when presented as late as adulthood. We further found that EE-induced anxiolysis was associated with the attenuation of enhanced microglial density (using Iba-1 as the marker) in the DG and medial prefrontal cortex. Additionally, EE reduced Iba1 + CD68+ microglia density within the anterior DG. Hence, the successful attenuation of trait anxiety by EE was associated in part with the normalization of neuro-inflammatory imbalances. These results suggest that pharmacological and/or positive behavioral therapies triggering microglia-targeted anti-inflammatory effects could be promising as novel alternatives or complimentary anxiolytic therapeutic approaches in specific subgroups of individuals predisposed to trait anxiety.
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Affiliation(s)
- Anupam Sah
- Department of Pharmacology and Toxicology, Institute of Pharmacy and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80-82/III, A-6020 Innsbruck, Austria
| | - Sinead Rooney
- Department of Pharmacology and Toxicology, Institute of Pharmacy and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80-82/III, A-6020 Innsbruck, Austria
| | - Maria Kharitonova
- Department of Pharmacology and Toxicology, Institute of Pharmacy and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80-82/III, A-6020 Innsbruck, Austria
| | - Simone B. Sartori
- Department of Pharmacology and Toxicology, Institute of Pharmacy and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80-82/III, A-6020 Innsbruck, Austria
| | - Susanne A. Wolf
- Cellular Neurocience, Max-Delbrueck-Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
- Department of Experimental Ophthalmology, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Nicolas Singewald
- Department of Pharmacology and Toxicology, Institute of Pharmacy and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80-82/III, A-6020 Innsbruck, Austria
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12
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Qinlin F, Bingqiao W, Linlin H, Peixia S, Lexing X, Lijun Y, Qingwu Y. miR-129-5p targets FEZ1/SCOC/ULK1/NBR1 complex to restore neuronal function in mice with post-stroke depression. Bioengineered 2022; 13:9708-9728. [PMID: 35435132 PMCID: PMC9191875 DOI: 10.1080/21655979.2022.2059910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Post-stroke depression (PSD) seriously affects the normal life of patients. Based on the previous sequencing results, this study selected miR-129-5p as the research object, which was significantly reduced in the PSD model by screening. To clarify the regulatory role of miR-129-5p, this study overexpressed and interfered with miR-129-5p in neuronal cells cultured in vitro, tested its effect on neuronal cell autophagy, and determined expressions of fasciculation and elongation protein zeta-1 (FEZ1), short coiled-coil protein (SCOC), unc-51 like autophagy activating kinase 1 (ULK1) and autophagy cargo receptor (NBR1) autophagy-related proteins. The dual-luciferase reporter system and immunoprecipitation were applied to detect the molecular regulatory mechanism of miR-129-5 and FEZ1, SCOC, ULK1 and NBR1. Findings of the present study revealed that the autophagy of neuronal cells was markedly decreased by overexpressing miR-129-5p (p < 0.05), and expressions of FEZ1, SCOC, ULK1 and NBR1 were substantially reduced (p < 0.05). The dual-luciferase reporter system results indicated that FEZ1, SCOC, ULK1 and NBR1 were all miR-129-5p target genes. Furthermore, immunoprecipitation assay revealed that SCOC, ULK1 and NBR1 could directly bind to the FEZ1 protein. The experiments at an animal level demonstrated that miR-129-5p could effectively alleviate the behavioral indicators of PSD model mice. Taken together, this study testified that SCOC/ULK1/NBR1 proteins could directly bind to FEZ1 to form protein complex, and all of the four proteins FEZ1/SCOC/ULK1/NBR1 were miR-129-5p target genes. miR-129-5p overexpression could effectively restore the behavioral characteristics of model mice, and reduce the autophagy-related proteins FEZ1/SCOC/ULK1/NBR1.
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Affiliation(s)
- Fan Qinlin
- Department of Neurology, Second Affiliated Hospital of Army Medical UniversityChongqing, China
| | - Wang Bingqiao
- Department of Neurology, Second Affiliated Hospital of Army Medical UniversityChongqing, China
| | - Hu Linlin
- Department of Neurology, Second Affiliated Hospital of Army Medical UniversityChongqing, China
| | - Shi Peixia
- Department of Neurology, Second Affiliated Hospital of Army Medical UniversityChongqing, China
| | - Xie Lexing
- Department of Neurology, Second Affiliated Hospital of Army Medical UniversityChongqing, China
| | - Yang Lijun
- Department of General orthopedics, Chongqing Public Health Medical Treatment Center, Chongqing, China
| | - Yang Qingwu
- Department of Neurology, Second Affiliated Hospital of Army Medical UniversityChongqing, China
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13
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Rapid-acting antidepressants and the circadian clock. Neuropsychopharmacology 2022; 47:805-816. [PMID: 34837078 PMCID: PMC8626287 DOI: 10.1038/s41386-021-01241-w] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 09/20/2021] [Accepted: 11/08/2021] [Indexed: 12/13/2022]
Abstract
A growing number of epidemiological and experimental studies has established that circadian disruption is strongly associated with psychiatric disorders, including major depressive disorder (MDD). This association is becoming increasingly relevant considering that modern lifestyles, social zeitgebers (time cues) and genetic variants contribute to disrupting circadian rhythms that may lead to psychiatric disorders. Circadian abnormalities associated with MDD include dysregulated rhythms of sleep, temperature, hormonal secretions, and mood which are modulated by the molecular clock. Rapid-acting antidepressants such as subanesthetic ketamine and sleep deprivation therapy can improve symptoms within 24 h in a subset of depressed patients, in striking contrast to conventional treatments, which generally require weeks for a full clinical response. Importantly, animal data show that sleep deprivation and ketamine have overlapping effects on clock gene expression. Furthermore, emerging data implicate the circadian system as a critical component involved in rapid antidepressant responses via several intracellular signaling pathways such as GSK3β, mTOR, MAPK, and NOTCH to initiate synaptic plasticity. Future research on the relationship between depression and the circadian clock may contribute to the development of novel therapeutic strategies for depression-like symptoms. In this review we summarize recent evidence describing: (1) how the circadian clock is implicated in depression, (2) how clock genes may contribute to fast-acting antidepressants, and (3) the mechanistic links between the clock genes driving circadian rhythms and neuroplasticity.
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14
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Takahashi Y, Okano H, Takashima K, Ojiro R, Tang Q, Ozawa S, Ogawa B, Woo GH, Yoshida T, Shibutani M. Oral exposure to high-dose ethanol for 28 days in rats reduces neural stem cells and immediate nascent neural progenitor cells as well as FOS-expressing newborn granule cells in adult hippocampal neurogenesis. Toxicol Lett 2022; 360:20-32. [DOI: 10.1016/j.toxlet.2022.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 02/16/2022] [Accepted: 02/24/2022] [Indexed: 10/19/2022]
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15
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Salmina AB, Malinovskaya NA, Morgun AV, Khilazheva ED, Uspenskaya YA, Illarioshkin SN. Reproducibility of developmental neuroplasticity in in vitro brain tissue models. Rev Neurosci 2022; 33:531-554. [PMID: 34983132 DOI: 10.1515/revneuro-2021-0137] [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: 10/13/2021] [Accepted: 12/13/2021] [Indexed: 11/15/2022]
Abstract
The current prevalence of neurodevelopmental, neurodegenerative diseases, stroke and brain injury stimulates studies aimed to identify new molecular targets, to select the drug candidates, to complete the whole set of preclinical and clinical trials, and to implement new drugs into routine neurological practice. Establishment of protocols based on microfluidics, blood-brain barrier- or neurovascular unit-on-chip, and microphysiological systems allowed improving the barrier characteristics and analyzing the regulation of local microcirculation, angiogenesis, and neurogenesis. Reconstruction of key mechanisms of brain development and even some aspects of experience-driven brain plasticity would be helpful in the establishment of brain in vitro models with the highest degree of reliability. Activity, metabolic status and expression pattern of cells within the models can be effectively assessed with the protocols of system biology, cell imaging, and functional cell analysis. The next generation of in vitro models should demonstrate high scalability, 3D or 4D complexity, possibility to be combined with other tissues or cell types within the microphysiological systems, compatibility with bio-inks or extracellular matrix-like materials, achievement of adequate vascularization, patient-specific characteristics, and opportunity to provide high-content screening. In this review, we will focus on currently available and prospective brain tissue in vitro models suitable for experimental and preclinical studies with the special focus on models enabling 4D reconstruction of brain tissue for the assessment of brain development, brain plasticity, and drug kinetics.
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Affiliation(s)
- Alla B Salmina
- Laboratory of Experimental Brain Cytology, Research Center of Neurology, Volokolamskoe Highway 80, Moscow, 125367, Russia.,Research Institute of Molecular Medicine & Pathobiochemistry, Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, P. Zhelenzyaka str., 1, Krasnoyarsk 660022, Russia
| | - Natalia A Malinovskaya
- Research Institute of Molecular Medicine & Pathobiochemistry, Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, P. Zhelenzyaka str., 1, Krasnoyarsk 660022, Russia
| | - Andrey V Morgun
- Department of Ambulatory Pediatrics, Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, P. Zheleznyaka str., 1, Krasnoyarsk 660022, Russia
| | - Elena D Khilazheva
- Research Institute of Molecular Medicine & Pathobiochemistry, Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, P. Zhelenzyaka str., 1, Krasnoyarsk 660022, Russia
| | - Yulia A Uspenskaya
- Research Institute of Molecular Medicine & Pathobiochemistry, Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, P. Zhelenzyaka str., 1, Krasnoyarsk 660022, Russia
| | - Sergey N Illarioshkin
- Department of Brain Studies, Research Center of Neurology, Volokolamskoe Highway, 80, Moscow 125367, Russia
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16
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Du Preez A, Lefèvre-Arbogast S, González-Domínguez R, Houghton V, de Lucia C, Low DY, Helmer C, Féart C, Delcourt C, Proust-Lima C, Pallàs M, Sánchez-Pla A, Urpi-Sardà M, Ruigrok SR, Altendorfer B, Aigner L, Lucassen PJ, Korosi A, Manach C, Andres-Lacueva C, Samieri C, Thuret S. Impaired hippocampal neurogenesis in vitro is modulated by dietary-related endogenous factors and associated with depression in a longitudinal ageing cohort study. Mol Psychiatry 2022; 27:3425-3440. [PMID: 35794184 PMCID: PMC7613865 DOI: 10.1038/s41380-022-01644-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 05/09/2022] [Accepted: 05/23/2022] [Indexed: 12/20/2022]
Abstract
Environmental factors like diet have been linked to depression and/or relapse risk in later life. This could be partially driven by the food metabolome, which communicates with the brain via the circulatory system and interacts with hippocampal neurogenesis (HN), a form of brain plasticity implicated in depression aetiology. Despite the associations between HN, diet and depression, human data further substantiating this hypothesis are largely missing. Here, we used an in vitro model of HN to test the effects of serum samples from a longitudinal ageing cohort of 373 participants, with or without depressive symptomology. 1% participant serum was applied to human fetal hippocampal progenitor cells, and changes in HN markers were related to the occurrence of depressive symptoms across a 12-year period. Key nutritional, metabolomic and lipidomic biomarkers (extracted from participant plasma and serum) were subsequently tested for their ability to modulate HN. In our assay, we found that reduced cell death and increased neuronal differentiation were associated with later life depressive symptomatology. Additionally, we found impairments in neuronal cell morphology in cells treated with serum from participants experiencing recurrent depressive symptoms across the 12-year period. Interestingly, we found that increased neuronal differentiation was modulated by increased serum levels of metabolite butyrylcarnitine and decreased glycerophospholipid, PC35:1(16:0/19:1), levels - both of which are closely linked to diet - all in the context of depressive symptomology. These findings potentially suggest that diet and altered HN could subsequently shape the trajectory of late-life depressive symptomology.
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Affiliation(s)
- Andrea Du Preez
- grid.13097.3c0000 0001 2322 6764Department of Basic and Clinical Neuroscience, Maurice Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, SE5 9NU UK
| | - Sophie Lefèvre-Arbogast
- grid.508062.90000 0004 8511 8605University of Bordeaux, Inserm, Bordeaux Population Health Research Center, UMR 1219, F-33000 Bordeaux, France
| | - Raúl González-Domínguez
- grid.5841.80000 0004 1937 0247Nutrition, Food Science and Gastronomy Department, Faculty of Pharmacy and Food Science, University of Barcelona, 08028 Barcelona, Spain ,grid.413448.e0000 0000 9314 1427CIBER Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, 0828 Barcelona, Spain
| | - Vikki Houghton
- grid.13097.3c0000 0001 2322 6764Department of Basic and Clinical Neuroscience, Maurice Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, SE5 9NU UK
| | - Chiara de Lucia
- grid.13097.3c0000 0001 2322 6764Department of Basic and Clinical Neuroscience, Maurice Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, SE5 9NU UK
| | - Dorrain Y. Low
- Université Clermont Auvergne, INRA, UMR1019, Human Nutrition Unit, F-63000 Clermont Ferrand, France
| | - Catherine Helmer
- grid.508062.90000 0004 8511 8605University of Bordeaux, Inserm, Bordeaux Population Health Research Center, UMR 1219, F-33000 Bordeaux, France
| | - Catherine Féart
- grid.508062.90000 0004 8511 8605University of Bordeaux, Inserm, Bordeaux Population Health Research Center, UMR 1219, F-33000 Bordeaux, France
| | - Cécile Delcourt
- grid.508062.90000 0004 8511 8605University of Bordeaux, Inserm, Bordeaux Population Health Research Center, UMR 1219, F-33000 Bordeaux, France
| | - Cécile Proust-Lima
- grid.508062.90000 0004 8511 8605University of Bordeaux, Inserm, Bordeaux Population Health Research Center, UMR 1219, F-33000 Bordeaux, France
| | - Mercè Pallàs
- grid.5841.80000 0004 1937 0247Pharmacology Section, Department of Pharmacology, Toxicology and Medicinal Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Neurosciences, University of Barcelona, Av. Joan XXIII, 27-31, E-08028 Barcelona, Spain
| | - Alex Sánchez-Pla
- grid.5841.80000 0004 1937 0247Nutrition, Food Science and Gastronomy Department, Faculty of Pharmacy and Food Science, University of Barcelona, 08028 Barcelona, Spain ,grid.413448.e0000 0000 9314 1427CIBER Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, 0828 Barcelona, Spain
| | - Mireia Urpi-Sardà
- grid.5841.80000 0004 1937 0247Nutrition, Food Science and Gastronomy Department, Faculty of Pharmacy and Food Science, University of Barcelona, 08028 Barcelona, Spain ,grid.413448.e0000 0000 9314 1427CIBER Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, 0828 Barcelona, Spain
| | - Silvie R. Ruigrok
- grid.7177.60000000084992262Brain Plasticity Group, Swammerdam Institute for Life Sciences, Center for Neuroscience, University of Amsterdam, 1098 XH Amsterdam, The Netherlands
| | - Barbara Altendorfer
- grid.21604.310000 0004 0523 5263Institute of Molecular Regenerative Medicine, Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University, Salzburg, 5020 Austria
| | - Ludwig Aigner
- grid.21604.310000 0004 0523 5263Institute of Molecular Regenerative Medicine, Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University, Salzburg, 5020 Austria
| | - Paul J. Lucassen
- grid.7177.60000000084992262Brain Plasticity Group, Swammerdam Institute for Life Sciences, Center for Neuroscience, University of Amsterdam, 1098 XH Amsterdam, The Netherlands
| | - Aniko Korosi
- grid.7177.60000000084992262Brain Plasticity Group, Swammerdam Institute for Life Sciences, Center for Neuroscience, University of Amsterdam, 1098 XH Amsterdam, The Netherlands
| | - Claudine Manach
- Université Clermont Auvergne, INRA, UMR1019, Human Nutrition Unit, F-63000 Clermont Ferrand, France
| | - Cristina Andres-Lacueva
- grid.5841.80000 0004 1937 0247Nutrition, Food Science and Gastronomy Department, Faculty of Pharmacy and Food Science, University of Barcelona, 08028 Barcelona, Spain ,grid.413448.e0000 0000 9314 1427CIBER Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, 0828 Barcelona, Spain
| | - Cécilia Samieri
- grid.508062.90000 0004 8511 8605University of Bordeaux, Inserm, Bordeaux Population Health Research Center, UMR 1219, F-33000 Bordeaux, France
| | - Sandrine Thuret
- Department of Basic and Clinical Neuroscience, Maurice Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, SE5 9NU, UK. .,Department of Neurology, University Hospital Carl Gustav Carus, Technische Universität Dresden, 01307, Dresden, Germany.
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17
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Mendez-David I, Schofield R, Tritschler L, Colle R, Guilloux JP, Gardier AM, Corruble E, Hen R, David DJ. Reviving through human hippocampal newborn neurons. Encephale 2021; 48:179-187. [PMID: 34649711 DOI: 10.1016/j.encep.2021.09.001] [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: 06/14/2021] [Revised: 09/02/2021] [Accepted: 09/13/2021] [Indexed: 11/17/2022]
Abstract
Recent contradictory data has renewed discussion regarding the existence of adult hippocampal neurogenesis (AHN) in humans, i.e., the continued production of new neurons in the brain after birth. The present review revisits the debate of AHN in humans from a historical point of view in the face of contradictory evidence, analyzing the methods employed to investigate this phenomenon. Thus, to date, of the 57 studies performed in humans that we reviewed, 84% (48) concluded in favor of the presence of newborn neurons in the human adult hippocampus. Besides quality of the tissue (such as postmortem intervals below 26hours as well as tissue conservation and fixation), considerations for assessing and quantify AHN in the human brain require the use of stereology and toxicological analyses of clinical data of the patient.
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Affiliation(s)
- I Mendez-David
- CESP, MOODS Team, Inserm, faculté de pharmacie, université Paris-Saclay, 92296 Châtenay-Malabry, France
| | - R Schofield
- CESP, MOODS Team, Inserm, faculté de pharmacie, université Paris-Saclay, 92296 Châtenay-Malabry, France
| | - L Tritschler
- CESP, MOODS Team, Inserm, faculté de pharmacie, université Paris-Saclay, 92296 Châtenay-Malabry, France
| | - R Colle
- CESP, MOODS Team, Inserm, faculté de médecine, université Paris-Saclay, 94275 Le Kremlin-Bicêtre, France; Service hospitalo-universitaire de psychiatrie de Bicêtre, hôpital de Bicêtre, hôpitaux universitaires Paris-Saclay, Assistance publique-Hôpitaux de Paris, 94275 Le Kremlin-Bicêtre, France
| | - J-P Guilloux
- CESP, MOODS Team, Inserm, faculté de pharmacie, université Paris-Saclay, 92296 Châtenay-Malabry, France
| | - A M Gardier
- CESP, MOODS Team, Inserm, faculté de pharmacie, université Paris-Saclay, 92296 Châtenay-Malabry, France
| | - E Corruble
- CESP, MOODS Team, Inserm, faculté de médecine, université Paris-Saclay, 94275 Le Kremlin-Bicêtre, France; Service hospitalo-universitaire de psychiatrie de Bicêtre, hôpital de Bicêtre, hôpitaux universitaires Paris-Saclay, Assistance publique-Hôpitaux de Paris, 94275 Le Kremlin-Bicêtre, France
| | - R Hen
- Department of Psychiatry, Columbia University, New York, NY 10032, USA; Division of Systems Neuroscience, Research Foundation for Mental Hygiene, Inc (RFMH)/New York State Psychiatric Institute (NYSPI), New York, NY 10032, USA; Department of Neuroscience, Columbia University, New York, NY 10032, USA
| | - D J David
- CESP, MOODS Team, Inserm, faculté de pharmacie, université Paris-Saclay, 92296 Châtenay-Malabry, France.
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18
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Takahashi Y, Yamashita R, Okano H, Takashima K, Ogawa B, Ojiro R, Tang Q, Ozawa S, Woo GH, Yoshida T, Shibutani M. Aberrant neurogenesis and late onset suppression of synaptic plasticity as well as sustained neuroinflammation in the hippocampal dentate gyrus after developmental exposure to ethanol in rats. Toxicology 2021; 462:152958. [PMID: 34547370 DOI: 10.1016/j.tox.2021.152958] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/29/2021] [Accepted: 09/16/2021] [Indexed: 11/16/2022]
Abstract
Drinking alcohol during pregnancy may cause fetal alcohol spectrum disorder. The present study investigated the effects of maternal oral ethanol (EtOH) exposure (0, 10, or 12.5 % in drinking water) from gestational day 6 until day 21 post-delivery (weaning) on postnatal hippocampal neurogenesis at weaning and in adulthood on postnatal day 77 in rat offspring. At weaning, type-3 neural progenitor cells (NPCs) were decreased in the subgranular zone (SGZ), accompanied by Chrnb2 downregulation and Grin2b upregulation in the dentate gyrus (DG). These results suggested suppression of CHRNB2-mediated cholinergic signaling in γ-aminobutyric acid (GABA)ergic interneurons in the DG hilus and increased glutamatergic signaling through the NR2B subtype of N-methyl-d-aspartate (NMDA) receptors, resulting in NPC reduction. In contrast, upregulation of Chrna7 may increase CHRNA7-mediated cholinergic signaling in immature granule cells, and upregulation of Ntrk2 may cause an increase in somatostatin-immunoreactive (+) GABAergic interneurons, suggesting a compensatory response against NPC reduction. Promotion of SGZ cell proliferation increased type-2a NPCs. Moreover, an increase in calbindin-d-29 K+ interneurons and upregulation of Reln, Drd2, Tgfb2, Il18, and α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA)-type glutamate receptor subunit genes might participate in this compensatory response. In adulthood, reduction of FOS+ cells and downregulation of Fos and Arc suggested suppression of granule cell synaptic plasticity, reflecting upregulation of Tnf and downregulation of Cntf, Ntrk2, and AMPA-type glutamate receptor genes. In the DG hilus, gliosis and hyper-ramified microglia, accompanying upregulation of C3, appeared at weaning, suggesting contribution to suppressed synaptic plasticity in adulthood. M1 microglia increased throughout adulthood, suggesting sustained neuroinflammation. These results indicate that maternal EtOH exposure temporarily disrupts hippocampal neurogenesis and later suppresses synaptic plasticity. Induction of neuroinflammation might initially ameliorate neurogenesis (as evident by upregulation of Tgfb2 and Il18) but later suppress synaptic plasticity (as evident by upregulation of C3 at weaning and Tnf in adulthood).
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Affiliation(s)
- Yasunori Takahashi
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan.
| | - Risako Yamashita
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan.
| | - Hiromu Okano
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan.
| | - Kazumi Takashima
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan.
| | - Bunichiro Ogawa
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan.
| | - Ryota Ojiro
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan.
| | - Qian Tang
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan.
| | - Shunsuke Ozawa
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan.
| | - Gye-Hyeong Woo
- Laboratory of Histopathology, Department of Clinical Laboratory Science, Semyung University, 65 Semyung-ro, Jecheon-si, Chungbuk 27136, Republic of Korea.
| | - Toshinori Yoshida
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan.
| | - Makoto Shibutani
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan; Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan; Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo, 183-8509, Japan.
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19
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Gulyaeva NV. Stress-Associated Molecular and Cellular Hippocampal Mechanisms Common for Epilepsy and Comorbid Depressive Disorders. BIOCHEMISTRY (MOSCOW) 2021; 86:641-656. [PMID: 34225588 DOI: 10.1134/s0006297921060031] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The review discusses molecular and cellular mechanisms common to the temporal lobe epileptogenesis/epilepsy and depressive disorders. Comorbid temporal lobe epilepsy and depression are associated with dysfunction of the hypothalamic-pituitary-adrenocortical axis. Excessive glucocorticoids disrupt the function and impair the structure of the hippocampus, a brain region key to learning, memory, and emotions. Selective vulnerability of the hippocampus to stress, mediated by the reception of glucocorticoid hormones secreted during stress, is the price of the high functional plasticity and pleiotropy of this limbic structure. Common molecular and cellular mechanisms include the dysfunction of glucocorticoid receptors, neurotransmitters, and neurotrophic factors, development of neuroinflammation, leading to neurodegeneration and loss of hippocampal neurons, as well as disturbances in neurogenesis in the subgranular neurogenic niche and formation of aberrant neural networks. These glucocorticoid-dependent processes underlie altered stress response and the development of chronic stress-induced comorbid pathologies, in particular, temporal lobe epilepsy and depressive disorders.
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Affiliation(s)
- Natalia V Gulyaeva
- Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, 117485, Russia. .,Research and Clinical Center for Neuropsychiatry of Moscow Healthcare Department, Moscow, 115419, Russia
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20
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Wang G, Wang C, Chen H, Chen L, Li J. Activation of 6-8-week-old new mature adult-born dentate granule cells contributes to anxiety-like behavior. Neurobiol Stress 2021; 15:100358. [PMID: 34195305 PMCID: PMC8240024 DOI: 10.1016/j.ynstr.2021.100358] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 06/17/2021] [Accepted: 06/17/2021] [Indexed: 11/28/2022] Open
Abstract
Adult-born dentate granule cells (aDGCs) at 4–6 weeks of age are particularly excitable but subsequently develop the quiet properties of mature cells. Most existing studies have focused on the hyperactivity of 4–6-week-old aDGCs or neurogenesis, which confers stress resilience or buffers stress responses. However, the function of the quiet property of new mature aDGCs remains unclear. Here we used a retrovirus expressing cre recombinase in combination with an associated-adenovirus to specifically interfere with the activity of new mature aDGCs, and estimated anxiety-like behaviors by the open-field test and elevated plus maze test, antidepressant-like behaviors by the tail suspension test, and spatial memory by the Barnes maze test. We found that sustained hyperactivity of 6–8-week-old, but not 8–10-week-old, aDGCs induced anxiety-like behaviors, and suppression of the activity of 6–8-week-old aDGCs disturbed spatial memory. Meanwhile, sustained hyperactivity of 6–8-week-old aDGCs induced activation of mature dentate gyrus (DG) neurons and inhibition of immature aDGCs. Additionally, the mice showing anxiety-like behaviors induced by chronic mild immobilization stress exhibited increased activity in 6–8-week-old aDGCs. Furthermore, the sustained hyperactivity of mature DG neurons also induced anxiety-like behaviors and decreased the activity of immature aDGCs. Our results combined show that the excitation of 6–8-week-old new mature aDGCs, which prohibits them from normally entering the resting state, determines anxiety-like behavior, while the maintenance of normal excitation ability of 6–8-week-old new mature aDGCs confers memory. Our results suggests that strategies aimed at inhibiting unusual hyperactive new mature aDGCs at a restricted time window may protect against stress-related psychiatric disorders, such as anxiety and depression.
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Affiliation(s)
- Guohua Wang
- 502 Room, 28 Yunjing Road, Guangzhou, 510515, China
| | - Canmao Wang
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - He Chen
- Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Limei Chen
- Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Juan Li
- School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
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21
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Kim YR, Park BK, Seo CS, Kim NS, Lee MY. Antidepressant and Anxiolytic-Like Effects of the Stem Bark Extract of Fraxinus rhynchophylla Hance and Its Components in a Mouse Model of Depressive-Like Disorder Induced by Reserpine Administration. Front Behav Neurosci 2021; 15:650833. [PMID: 34220460 PMCID: PMC8245701 DOI: 10.3389/fnbeh.2021.650833] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 05/11/2021] [Indexed: 11/14/2022] Open
Abstract
There is an urgent need to find antidepressants that can be administered for long periods without inducing severe side effects to replace conventional antidepressants that control monoamine levels, such as tricyclic antidepressants (TCAs), monoamine oxidase inhibitors (MAOIs), and selective serotonin reuptake inhibitors (SSRI). We sought to determine the antidepressant effects of Fraxinus rhynchophylla Hance (F. rhynchophylla Hance, FX) and its components on a reserpine-induced mouse model. One hour after oral administration of FX (30, 50, and 100 mg/kg), esculin (50 mg/kg), esculetin (50 mg/kg), fraxin (50 mg/kg), and fluoxetine (20 mg/kg), reserpine was delivered intraperitoneally to mice. Behavioral experiments were conducted to measure anxiety and depressive-like behaviors after 10 days of administration. FX and its components increased the number of entries into the center of an open field as well as distance traveled within it and decreased immobility duration in the forced swim and tail suspension tests. Reserpine-induced increases in plasma corticosterone concentrations were attenuated by the administration of FX and its components, which were also found to decrease the reserpine-induced enhancement of mRNA levels of interleukin (IL)-12 p40, IL-6, and tumor necrosis factor (TNF)-α, pro-inflammatory cytokines. Finally, the diminished expressions of hippocampal phosphorylated cAMP response element-binding protein (pCREB) and brain-derived neurotrophic factor (BDNF) by reserpine were increased by FX and its components. Our results suggest that FX and its components regulate anxiety and depressive-like behaviors through stress hormones, immune regulation, and the activation of neuroprotective mechanisms, further supporting the potential of FX and its components as antidepressants.
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Affiliation(s)
- Yu Ri Kim
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon, South Korea
| | - Bo-Kyung Park
- Clinical Medicine Division, Korea Institute of Oriental Medicine, Daejeon, South Korea
| | - Chang-Seob Seo
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon, South Korea
| | - No Soo Kim
- Clinical Medicine Division, Korea Institute of Oriental Medicine, Daejeon, South Korea
| | - Mi Young Lee
- Clinical Medicine Division, Korea Institute of Oriental Medicine, Daejeon, South Korea
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22
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Schoenfeld EM, Gupta NK, Syed SA, Rozenboym AV, Fulton SL, Jackowski AP, Perera TD, Coplan JD. Developmental Antecedents of Adult Macaque Neurogenesis: Early-Life Adversity, 5-HTTLPR Polymorphisms, and Adolescent Hippocampal Volume. J Affect Disord 2021; 286:204-212. [PMID: 33740637 DOI: 10.1016/j.jad.2021.02.052] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 02/16/2021] [Accepted: 02/19/2021] [Indexed: 12/01/2022]
Abstract
INTRODUCTION Attenuated adult hippocampal neurogenesis may manifest in affective symptomatology and/or resistance to antidepressant treatment. While early-life adversity and the short variant ('s') of the serotonin transporter gene's long polymorphic region (5-HTTLPR) are suggested as interacting risk factors for affective disorders, no studies have examined whether their superposed risk effectuates neurogenic changes into adulthood. Similarly, it is not established whether reduced hippocampal volume in adolescence, variously identified as a marker and antecedent of affective disorders, anticipates diminished adult neurogenesis. We investigate these potential developmental precursors of neurogenic alterations using a bonnet macaque model. METHODS Twenty-five male infant bonnet macaques were randomized to stressed [variable foraging demand (VFD)] or normative [low foraging demand (LFD)] rearing protocols and genotyped for 5-HTTLPR polymorphisms. Adolescent MRI brain scans (mean age 4.2y) were available for 14 subjects. Adult-born neurons were detected post-mortem (mean age 8.6y) via immunohistochemistry targeting the microtubule protein doublecortin (DCX). Models were adjusted for age and weight. RESULTS A putative vulnerability group (VG) of VFD-reared 's'-carriers (all 's/l') exhibited reduced neurogenesis compared to non-VG subjects. Neurogenesis levels were positively predicted by ipsilateral hippocampal volume normalized for total brain volume, but not by contralateral or raw hippocampal volume. LIMITATIONS No 's'-carriers were identified in LFD-reared subjects, precluding a 2×2 factorial analysis. CONCLUSION The 's' allele (with adverse rearing) and low adolescent hippocampal volume portend a neurogenic deficit in adult macaques, suggesting persistent alterations in hippocampal plasticity may contribute to these developmental factors' affective risk in humans.
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Affiliation(s)
- Eric M Schoenfeld
- Department of Psychiatry and Behavioral Sciences, State University of New York-Downstate Medical Center, Brooklyn, NY.
| | - Nishant K Gupta
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Shariful A Syed
- Department of Psychiatry and Behavioral Sciences, Stony Brook, NY
| | - Anna V Rozenboym
- Department of Biological Sciences, Kingsborough Community College, Brooklyn, NY
| | | | - Andrea P Jackowski
- UNIFESP Departamento de Psiquiatria, Universidade Federal de Sao Paulo, SP, Brazil
| | | | - Jeremy D Coplan
- Department of Psychiatry and Behavioral Sciences, State University of New York-Downstate Medical Center, Brooklyn, NY.
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23
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Wu Z, Xiao L, Wang H, Wang G. Neurogenic hypothesis of positive psychology in stress-induced depression: Adult hippocampal neurogenesis, neuroinflammation, and stress resilience. Int Immunopharmacol 2021; 97:107653. [PMID: 33915495 DOI: 10.1016/j.intimp.2021.107653] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/12/2021] [Accepted: 04/03/2021] [Indexed: 12/12/2022]
Abstract
Stress is an important risk factor for depression. Emerging evidence supports the hypothesis that stress-mediated neuroinflammation destroys brain function and leads to anxiety-like and depression-like behaviors. Previous studies of stress-induced depression have mainly focused on pathological damage; however, the rise of positive psychology has attracted the interest of many researchers in environmental enrichment to promote stress resilience. The hippocampus is one of the most severely damaged brain regions in stress-induced depression. In addition, the hippocampus is one of the most unique regions in the brain, as new neurons are produced in the adult hippocampus, a process known as adult hippocampal neurogenesis (AHN). AHN is an important core component of the neurogenic hypothesis and has also become a major innovative breakthrough in positive psychology, in which environmental enrichment mediates stress resilience. Neuroinflammation, by activating microglia and releasing some proinflammatory cytokines, is increasingly shown to be one of the key determinant pathophysiological factors that negatively affects AHNand cognitive reserve. AHN is mainly related to remodeling stress response mechanisms, such as memory clearing, emotional control, and pattern separation, suggesting that a correlation may exist between neuroinflammation and AHN in stress resilience. Therefore, we summarized the previous research results to systematically expound on the relationship between AHN, stress resilience, and neuroinflammation. We hope this neurogenic hypothesis of positive psychology in stress-induced depression will provide a new perspective for the study of depression and antidepressant therapy.
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Affiliation(s)
- Zuotian Wu
- Department of Psychiatry, Renmin Hospital of Wuhan University, Jiefang Road No.238, Wuhan 430060, China
| | - Ling Xiao
- Department of Psychiatry, Renmin Hospital of Wuhan University, Jiefang Road No.238, Wuhan 430060, China
| | - Huiling Wang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Jiefang Road No.238, Wuhan 430060, China
| | - Gaohua Wang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Jiefang Road No.238, Wuhan 430060, China.
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24
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Planchez B, Lagunas N, Le Guisquet AM, Legrand M, Surget A, Hen R, Belzung C. Increasing Adult Hippocampal Neurogenesis Promotes Resilience in a Mouse Model of Depression. Cells 2021; 10:cells10050972. [PMID: 33919292 PMCID: PMC8143348 DOI: 10.3390/cells10050972] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/13/2021] [Accepted: 04/19/2021] [Indexed: 11/16/2022] Open
Abstract
Many studies evaluated the functional role of adult hippocampal neurogenesis (AHN) and its key role in cognitive functions and mood regulation. The effects of promoting AHN on the recovery of stress-induced symptoms have been well studied, but its involvement in stress resilience remains elusive. We used a mouse model enabling us to foster AHN before the exposure to unpredictable chronic mild stress (UCMS) to evaluate the potential protective effects of AHN on stress, assessing the depressive-like phenotype and executive functions. For this purpose, an inducible transgenic mouse model was used to delete the pro-apoptotic gene Bax from neural progenitors four weeks before UCMS, whereby increasing the survival of adult-generated neurons. Our results showed that UCMS elicited a depressive-like phenotype, highlighted by a deteriorated coat state, a higher immobility duration in the tail suspension test (TST), and a delayed reversal learning in a water maze procedure. Promoting AHN before UCMS was sufficient to prevent the development of stressed-induced behavioral changes in the TST and the water maze, reflecting an effect of AHN on stress resilience. Taken together, our data suggest that increasing AHN promotes stress resilience on some depressive-like symptoms but also in cognitive symptoms, which are often observed in MD.
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Affiliation(s)
- Barbara Planchez
- UMR 1253, iBrain, Université de Tours, Inserm, CEDEX 1, 37032 Tours, France; (B.P.); (N.L.); (A.-M.L.G.); (M.L.); (A.S.)
| | - Natalia Lagunas
- UMR 1253, iBrain, Université de Tours, Inserm, CEDEX 1, 37032 Tours, France; (B.P.); (N.L.); (A.-M.L.G.); (M.L.); (A.S.)
| | - Anne-Marie Le Guisquet
- UMR 1253, iBrain, Université de Tours, Inserm, CEDEX 1, 37032 Tours, France; (B.P.); (N.L.); (A.-M.L.G.); (M.L.); (A.S.)
| | - Marc Legrand
- UMR 1253, iBrain, Université de Tours, Inserm, CEDEX 1, 37032 Tours, France; (B.P.); (N.L.); (A.-M.L.G.); (M.L.); (A.S.)
| | - Alexandre Surget
- UMR 1253, iBrain, Université de Tours, Inserm, CEDEX 1, 37032 Tours, France; (B.P.); (N.L.); (A.-M.L.G.); (M.L.); (A.S.)
| | - René Hen
- Departments of Neuroscience, Psychiatry & Pharmacology, Columbia University, New York, NY 10027, USA;
- Division of Integrative Neuroscience, Department of Psychiatry, New York State Psychiatric Institute, New York, NY 10032, USA
- Kavli Institute for Brain Sciences, Columbia University, New York, NY 10027, USA
| | - Catherine Belzung
- UMR 1253, iBrain, Université de Tours, Inserm, CEDEX 1, 37032 Tours, France; (B.P.); (N.L.); (A.-M.L.G.); (M.L.); (A.S.)
- Correspondence:
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25
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Sakurai M, Iwasa R, Sakai Y, Morimoto M. Minocycline prevents depression-like behavior in streptozotocin-induced diabetic mice. Neuropathology 2021; 41:109-117. [PMID: 33230848 DOI: 10.1111/neup.12706] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/09/2020] [Accepted: 08/23/2020] [Indexed: 12/20/2022]
Abstract
Diabetes mellitus is a group of metabolic diseases characterized by hyperglycemia. Diabetic patients are known to have a higher prevalence and a higher risk of depression compared with the general population. The pathogenesis of diabetes-related depression is unclear, and the treatment is not well-established. Therefore, the prevention of diabetes-related depression is important for improving the quality of life of diabetic patients. Minocycline, a second-generation tetracycline antibiotic, has recently gained attention as a new agent for depression. In this study, we investigated the effect of minocycline on diabetes-related depression in a streptozotocin-induced mouse model of diabetes. Eight-week-old male C57BL/6 mice were injected with streptozotocin (200 mg/kg, i.p.). Seven days after injection, the mice received minocycline treatment through drinking water. We compared these mice with vehicle-treated control mice and diabetic mice not receiving minocycline treatment. On day 34, depression-like behavior was investigated using the forced swim test. On the following day, brain samples were collected, and formalin-fixed, paraffin-embedded specimens were prepared for immunohistochemistry. Compared with the control group, the diabetic mice not receiving minocycline treatment showed a prolonged duration of immobility in the forced swim test, the observation being interpreted as a depression-like behavior. Immunohistochemistry revealed an increase in microglia with an activated morphology in the diabetic mice without minocycline treatment. The expression of tumor necrosis factor alpha in microglia was increased. In addition, a decrease in the number of doublecortin-positive immature neurons was found in the hippocampus of diabetic mice. Minocycline treatment of diabetic animals prevented the depression-like behavior and microglial activation; however, minocycline did not reverse impaired hippocampal neurogenesis. These results indicate that minocycline has a preventive effect on diabetes-related depression. Inhibition of microglial activation would be a critical target for the antidepressant mechanism of minocycline. Impaired hippocampal neurogenesis was observed in diabetic mice; however, this may not be involved in the pathogenesis of depression.
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Affiliation(s)
- Masashi Sakurai
- Laboratory of Veterinary Pathology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yoshida, Japan
| | - Ryoi Iwasa
- Laboratory of Veterinary Pathology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yoshida, Japan
| | - Yusuke Sakai
- Laboratory of Veterinary Pathology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yoshida, Japan
| | - Masahiro Morimoto
- Laboratory of Veterinary Pathology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yoshida, Japan
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26
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Sato T, Ito T, Handa H. Cereblon-Based Small-Molecule Compounds to Control Neural Stem Cell Proliferation in Regenerative Medicine. Front Cell Dev Biol 2021; 9:629326. [PMID: 33777938 PMCID: PMC7990905 DOI: 10.3389/fcell.2021.629326] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 02/15/2021] [Indexed: 11/19/2022] Open
Abstract
Thalidomide, a sedative drug that was once excluded from the market owing to its teratogenic properties, was later found to be effective in treating multiple myeloma. We had previously demonstrated that cereblon (CRBN) is the target of thalidomide embryopathy and acts as a substrate receptor for the E3 ubiquitin ligase complex, Cullin-Ring ligase 4 (CRL4CRBN) in zebrafish and chicks. CRBN was originally identified as a gene responsible for mild intellectual disability in humans. Fetuses exposed to thalidomide in early pregnancy were at risk of neurodevelopmental disorders such as autism, suggesting that CRBN is involved in prenatal brain development. Recently, we found that CRBN controls the proliferation of neural stem cells in the developing zebrafish brain, leading to changes in brain size. Our findings imply that CRBN is involved in neural stem cell growth in humans. Accumulating evidence shows that CRBN is essential not only for the teratogenic effects but also for the therapeutic effects of thalidomide. This review summarizes recent progress in thalidomide and CRBN research, focusing on the teratogenic and therapeutic effects. Investigation of the molecular mechanisms underlying the therapeutic effects of thalidomide and its derivatives, CRBN E3 ligase modulators (CELMoDs), reveals that these modulators provide CRBN the ability to recognize neosubstrates depending on their structure. Understanding the therapeutic effects leads to the development of a novel technology called CRBN-based proteolysis-targeting chimeras (PROTACs) for target protein knockdown. These studies raise the possibility that CRBN-based small-molecule compounds regulating the proliferation of neural stem cells may be developed for application in regenerative medicine.
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Affiliation(s)
- Tomomi Sato
- Department of Chemical Biology, Tokyo Medical University, Tokyo, Japan.,Department of Anatomy, School of Medicine, Saitama Medical University, Saitama, Japan.,Department of Obstetrics and Gynecology, School of Medicine, Saitama Medical University, Saitama, Japan
| | - Takumi Ito
- Department of Chemical Biology, Tokyo Medical University, Tokyo, Japan
| | - Hiroshi Handa
- Department of Chemical Biology, Tokyo Medical University, Tokyo, Japan
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27
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Lee ATC, Fung AWT, Richards M, Chan WC, Chiu HFK, Lee RSY, Lam LCW. Risk of incident dementia varies with different onset and courses of depression. J Affect Disord 2021; 282:915-920. [PMID: 33601735 DOI: 10.1016/j.jad.2020.12.195] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 11/25/2020] [Accepted: 12/26/2020] [Indexed: 11/18/2022]
Abstract
BACKGROUND This study aims to examine if risk of dementia differs between adult- and late-onset depression. METHODS 16,608 community-living dementia-free older adults were followed for 6 years to the outcome of incident dementia. Depression was diagnosed according to international diagnostic guidelines. Depression in adulthood or late life was categorized using age 65 as cutoff. Hazard ratio for dementia was estimated using Cox regression analysis. RESULTS People with depression in adulthood only did not have higher dementia incidence, suggesting those in remission from adult-onset depression are not at greater risk of dementia. Conversely, having depression in both adulthood and late life was associated with higher dementia risk, and improvement in depression in late life was associated with lower risk, suggesting persistent or recurrent lifetime depression is a risk factor for dementia. Those with depression in late life only were not associated with higher dementia risk after controlling for the longitudinal changes in depressive symptoms, consistent with late-onset depression being a prodrome of dementia. LIMITATIONS Reverse causation is a potential limitation. This was minimized by careful ascertainment of depression and dementia cases, exclusion of individuals with suspected dementia at baseline and those who developed dementia within 3 years after baseline, and controlling for various important confounders. CONCLUSIONS Risk of incident dementia varies with presence and resolution of depression at different ages. Further studies are needed to test whether treating adult-onset depression may prevent dementia. Older adults with a history of depression present for an extended time should be monitored for cognitive decline.
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Affiliation(s)
- Allen T C Lee
- Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ada W T Fung
- Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Marcus Richards
- MRC Unit for Lifelong Health and Ageing at UCL, London, United Kingdom
| | - Wai C Chan
- Department of Psychiatry, Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Helen F K Chiu
- Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ruby S Y Lee
- Elderly Health Service, Department of Health, The Government of Hong Kong SAR, Hong Kong SAR, China
| | - Linda C W Lam
- Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.
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Identification of the antidepressive properties of C1, a specific inhibitor of Skp2, in mice. Behav Pharmacol 2021; 32:62-72. [PMID: 33416256 DOI: 10.1097/fbp.0000000000000604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
We have reported that SMIP004, an inhibitor of S-phase kinase-associated protein 2 (Skp2), displays antidepressant-like activities in stress-naïve and chronically stressed mice. Here, we investigated the antidepressant-like effect of C1, another inhibitor of Skp2, in mouse models following acute or chronic drug administration at different doses and treatment times by using the tail suspension test (TST), forced swimming test (FST), and social interaction test (SIT). The time- and dose-dependent results showed that the antidepressant-like effect of C1 occurred 8 days after the drug treatment, and C1 produced antidepressant-like activities at the dose of 5 and 10 but not 1 mg/kg in male or female mice. C1 administration (5 mg/kg) also induced antidepressant-like effects in stress-naïve mice in a three-times administration mode within 24 h (24, 5, and 1 h before the test) but not in an acute administration mode (1 h before the test). The C1 and fluoxetine co-administration produced additive effect on depression-like behaviors in stress-naïve mice. The antidepressant-like effect of C1 was not associated with the change in locomotor activity, as no increased locomotor activity was observed in different treatment modes. Furthermore, the long-term C1 treatment (5 mg/kg) was found to ameliorate the depression-like behaviors in chronic social defeat stress-exposed mice, suggesting that C1 can produce antidepressant-like actions in stress conditions. Since C1 is a specific inhibitor of Skp2, our results demonstrate that inhibition of Skp2 might be a potential strategy for the treatment of depression, and Skp2 may be potential target for the development of novel antidepressants.
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Taniguchi E, Tashiro A, Hattori A, Furuse M, Yasuo S. Photoperiodic changes in hippocampal neurogenesis and plasma metabolomic profiles in relation to depression-like behavior in mice. Behav Brain Res 2021; 403:113136. [PMID: 33482168 DOI: 10.1016/j.bbr.2021.113136] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 01/08/2021] [Accepted: 01/11/2021] [Indexed: 01/01/2023]
Abstract
Photoperiod alters affective behaviors and brain neuroplasticity in several mammalian species. We addressed whether neurogenesis and signaling pathways of insulin-like growth factor-I (IGF-I), a key modulator of neuroplasticity, are regulated by photoperiod in C57BL/6 J mice, a putative model of seasonal affective disorder. We also examined the effects of photoperiod on plasma metabolomic profiles in relation to depression-like behavior to understand a possible linkage between peripheral metabolism and behavior. Mice that were maintained under long-day conditions (LD) exhibited a higher number of 5-bromo-2'-deoxyuridine-positive cells and higher levels of astrocyte marker in the dentate gyrus of the hippocampus compared to that of mice under short-day conditions (SD). Plasma IGF-I levels and levels/expression of IGF-I signaling molecules in the hippocampus (Brn-4, NeuroD1, and phospho-Akt) involved in neuronal proliferation and differentiation were higher in the mice under LD. Metabolome analysis using plasma of the mice under LD and SD identified several metabolites that were highly correlated with immobility in the forced swim test, a depression-like behavior. Negative correlations with behavior occurred in the levels of 23 metabolites, including metabolites related to neurogenesis and antidepressant-like effects of exercise, metabolites in the biosynthesis of arginine, and the occurrence of branched chain amino acids. Three metabolites had positive correlations with the behavior, including guanidinosuccinic acid, a neurotoxin. Taken together, photoperiodic responses of neurogenesis and neuro-glial organization in the hippocampus may be involved in photoperiodic alteration of depression-like behavior, mediated through multiple pathways, including IGF-I and peripheral metabolites.
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Affiliation(s)
- Emi Taniguchi
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Ayako Tashiro
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Ayumi Hattori
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Mitsuhiro Furuse
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Shinobu Yasuo
- Laboratory of Regulation in Metabolism and Behavior, Faculty of Agriculture, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
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30
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Hattiangady B, Kuruba R, Shuai B, Grier R, Shetty AK. Hippocampal Neural Stem Cell Grafting after Status Epilepticus Alleviates Chronic Epilepsy and Abnormal Plasticity, and Maintains Better Memory and Mood Function. Aging Dis 2020; 11:1374-1394. [PMID: 33269095 PMCID: PMC7673840 DOI: 10.14336/ad.2020.1020] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 10/20/2020] [Indexed: 12/11/2022] Open
Abstract
Hippocampal damage after status epilepticus (SE) leads to multiple epileptogenic changes, which lead to chronic temporal lobe epilepsy (TLE). Morbidities such as spontaneous recurrent seizures (SRS) and memory and mood impairments are seen in a significant fraction of SE survivors despite the administration of antiepileptic drugs after SE. We examined the efficacy of bilateral intra-hippocampal grafting of neural stem/progenitor cells (NSCs) derived from the embryonic day 19 rat hippocampi, six days after SE for restraining SE-induced SRS, memory, and mood impairments in the chronic phase. Grafting of NSCs curtailed the progression of SRS at 3-5 months post-SE and reduced the frequency and severity of SRS activity when examined at eight months post-SE. Reduced SRS activity was also associated with improved memory function. Graft-derived cells migrated into different hippocampal cell layers, differentiated into GABA-ergic interneurons, astrocytes, and oligodendrocytes. Significant percentages of graft-derived cells also expressed beneficial neurotrophic factors such as the fibroblast growth factor-2, brain-derived neurotrophic factor, insulin-like growth factor-1 and glial cell line-derived neurotrophic factor. NSC grafting protected neuropeptide Y- and parvalbumin-positive host interneurons, diminished the abnormal migration of newly born neurons, and rescued the reelin+ interneurons in the dentate gyrus. Besides, grafting led to the maintenance of a higher level of normal neurogenesis in the chronic phase after SE and diminished aberrant mossy fiber sprouting in the dentate gyrus. Thus, intrahippocampal grafting of hippocampal NSCs shortly after SE considerably curbed the progression of epileptogenic processes and SRS, which eventually resulted in less severe chronic epilepsy devoid of significant cognitive and mood impairments.
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Affiliation(s)
- Bharathi Hattiangady
- 1Institute for Regenerative Medicine, Department of Molecular and Cellular Medicine, Texas A&M University College of Medicine, College Station, TX, USA.,2Research Service, Olin E. Teague Veterans' Medical Center, Central Texas Veterans Health Care System, Temple, TX, USA.,3Department of Surgery (Neurosurgery) Duke University Medical Center, Durham, NC, USA.,4Research and Surgery Services, Durham Veterans Affairs Medical Center, Durham, NC, USA
| | - Ramkumar Kuruba
- 3Department of Surgery (Neurosurgery) Duke University Medical Center, Durham, NC, USA.,4Research and Surgery Services, Durham Veterans Affairs Medical Center, Durham, NC, USA
| | - Bing Shuai
- 1Institute for Regenerative Medicine, Department of Molecular and Cellular Medicine, Texas A&M University College of Medicine, College Station, TX, USA.,2Research Service, Olin E. Teague Veterans' Medical Center, Central Texas Veterans Health Care System, Temple, TX, USA.,3Department of Surgery (Neurosurgery) Duke University Medical Center, Durham, NC, USA.,4Research and Surgery Services, Durham Veterans Affairs Medical Center, Durham, NC, USA
| | - Remedios Grier
- 3Department of Surgery (Neurosurgery) Duke University Medical Center, Durham, NC, USA.,4Research and Surgery Services, Durham Veterans Affairs Medical Center, Durham, NC, USA
| | - Ashok K Shetty
- 1Institute for Regenerative Medicine, Department of Molecular and Cellular Medicine, Texas A&M University College of Medicine, College Station, TX, USA.,2Research Service, Olin E. Teague Veterans' Medical Center, Central Texas Veterans Health Care System, Temple, TX, USA.,3Department of Surgery (Neurosurgery) Duke University Medical Center, Durham, NC, USA.,4Research and Surgery Services, Durham Veterans Affairs Medical Center, Durham, NC, USA
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Jia N, Chong J, Sun L. Application of stem cell biology in treating neurodegenerative diseases. Int J Neurosci 2020; 132:815-825. [PMID: 33081549 DOI: 10.1080/00207454.2020.1840376] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND The appropriate strategies are needed for stimulating the endogenous neurogenesis or introducing extrinsic neural progenitors, which could be harnessed as the regenerative resources for cueing the neurodegenerations. Adult neurogenesis is the endogenous continuing physiology in limited brain regions such as hippocampus, olfactory system, and hypothalamus. Besides adult neurogenesis, induced pluripotent stem cells (iPSCs) induced functional neurons could be another option for regenerative therapies. OBJECTIVE Current studies are trying to improve the adult neurogenesis and enable the iPSCs induced neurons into neural regeneration. Methods: Here in this review, we mainly introduced the recent progress in neural stem cell biology and its application in the treatment of the neurodegenerations. We main separated the strategy in summarizing the mediators and potential targets to promoting endogenous neural regeneration and transplantation of neural progenitors. CONCLUSION By collecting and comparing the advantages disadvantages between above-mentioned two strategies, we will offer the insight on future development of stem cell therapy in treating neurodegenerative patients.
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Affiliation(s)
- Na Jia
- Beijing University of Posts and Telecommunications, Beijing, China
| | - Jingping Chong
- Beijing University of Posts and Telecommunications, Beijing, China.,Shanghai University of Engineering Science, Shanghai, China
| | - Lina Sun
- Beijing University of Posts and Telecommunications, Beijing, China.,College of PE and Sport, Beijing Normal University, Beijing, China
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32
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Morales-Garcia JA, Calleja-Conde J, Lopez-Moreno JA, Alonso-Gil S, Sanz-SanCristobal M, Riba J, Perez-Castillo A. N,N-dimethyltryptamine compound found in the hallucinogenic tea ayahuasca, regulates adult neurogenesis in vitro and in vivo. Transl Psychiatry 2020; 10:331. [PMID: 32989216 PMCID: PMC7522265 DOI: 10.1038/s41398-020-01011-0] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 09/02/2020] [Accepted: 09/07/2020] [Indexed: 12/18/2022] Open
Abstract
N,N-dimethyltryptamine (DMT) is a component of the ayahuasca brew traditionally used for ritual and therapeutic purposes across several South American countries. Here, we have examined, in vitro and vivo, the potential neurogenic effect of DMT. Our results demonstrate that DMT administration activates the main adult neurogenic niche, the subgranular zone of the dentate gyrus of the hippocampus, promoting newly generated neurons in the granular zone. Moreover, these mice performed better, compared to control non-treated animals, in memory tests, which suggest a functional relevance for the DMT-induced new production of neurons in the hippocampus. Interestingly, the neurogenic effect of DMT appears to involve signaling via sigma-1 receptor (S1R) activation since S1R antagonist blocked the neurogenic effect. Taken together, our results demonstrate that DMT treatment activates the subgranular neurogenic niche regulating the proliferation of neural stem cells, the migration of neuroblasts, and promoting the generation of new neurons in the hippocampus, therefore enhancing adult neurogenesis and improving spatial learning and memory tasks.
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Affiliation(s)
- Jose A. Morales-Garcia
- grid.4711.30000 0001 2183 4846Institute for Biomedical Research “A. Sols” (CSIC-UAM). Arturo Duperier 4, 28029 Madrid, Spain ,grid.413448.e0000 0000 9314 1427Spanish Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), c/ Valderrebollo 5, 28031 Madrid, Spain ,grid.4795.f0000 0001 2157 7667Department of Cellular Biology, School of Medicine, Complutense University of Madrid, Plaza Ramón y Cajal, 28040 Madrid, Spain ,grid.411347.40000 0000 9248 5770Cellular Neurobiology Laboratory, Neurobiology Department, UCS-UCM, Hospital Universitario Ramón y Cajal, IRYCIS, Madrid, Spain
| | - Javier Calleja-Conde
- grid.4795.f0000 0001 2157 7667Department of Psychobiology and Behavioural Sciences Methods, Faculty of Psychology, Complutense University of Madrid, Carretera de Humera, 28223 Madrid, Spain
| | - Jose A. Lopez-Moreno
- grid.4795.f0000 0001 2157 7667Department of Psychobiology and Behavioural Sciences Methods, Faculty of Psychology, Complutense University of Madrid, Carretera de Humera, 28223 Madrid, Spain
| | - Sandra Alonso-Gil
- grid.4711.30000 0001 2183 4846Institute for Biomedical Research “A. Sols” (CSIC-UAM). Arturo Duperier 4, 28029 Madrid, Spain ,grid.413448.e0000 0000 9314 1427Spanish Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), c/ Valderrebollo 5, 28031 Madrid, Spain
| | - Marina Sanz-SanCristobal
- grid.4711.30000 0001 2183 4846Institute for Biomedical Research “A. Sols” (CSIC-UAM). Arturo Duperier 4, 28029 Madrid, Spain ,grid.413448.e0000 0000 9314 1427Spanish Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), c/ Valderrebollo 5, 28031 Madrid, Spain
| | - Jordi Riba
- grid.5012.60000 0001 0481 6099Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, 6229 ER The Netherlands
| | - Ana Perez-Castillo
- Institute for Biomedical Research "A. Sols" (CSIC-UAM). Arturo Duperier 4, 28029, Madrid, Spain. .,Spanish Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), c/ Valderrebollo 5, 28031, Madrid, Spain. .,Cellular Neurobiology Laboratory, Neurobiology Department, UCS-UCM, Hospital Universitario Ramón y Cajal, IRYCIS, Madrid, Spain.
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K V A, Madhana RM, Bais AK, Singh VB, Malik A, Sinha S, Lahkar M, Kumar P, Samudrala PK. Cognitive Improvement by Vorinostat through Modulation of Endoplasmic Reticulum Stress in a Corticosterone-Induced Chronic Stress Model in Mice. ACS Chem Neurosci 2020; 11:2649-2657. [PMID: 32673474 DOI: 10.1021/acschemneuro.0c00315] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Chronic stress is the leading cause of memory impairment today. Various stress-based models are being developed for studying cognitive impairment. Repurposing of existing drugs in a new pharmacology class is the safest and cheapest option for treatment instead of new drug discovery. Vorinostat (VOR) is the first histone deacetylase (HDAC) inhibitor approved for the treatment of cutaneous T-cell lymphoma by the U.S. FDA. VOR follows the rule of five and is reported to cross the blood-brain barrier. Therefore, we aimed to evaluate the procognitive potential of VOR (25 mg/kg) administered by intraperitoneal (ip) route in a stress-based model of chronic corticosterone (CORT) injections (20 mg/kg, subcutaneously (sc)). The study comprised six groups. Normal mice were administered vehicle (VEH) (days 1-21, sc) in the first group, VOR (days 8-21, 25 mg/kg, ip) in the second group, and fluoxetine (FLX) (days 8-21, 15 mg/kg, oral) in the third group. Mice in the remaining three groups were given 20 mg/kg (sc) CORT for 21 days, and VOR (days 8-21, 25 mg/kg, ip) or FLX (days 8-21, 15 mg/kg, oral) was additionally administered to the treatment groups. Behavioral tests such as Morris water maze test, novel object recognition test, and object in place test were performed at the end of the dosing schedule to assess cognition. After behavior tests, mice were sacrificed, and hippocampus was separated from brain tissue for reverse transcriptase polymerase chain reaction (RT-PCR), Western blot, and immunohistochemistry studies. VOR treatment attenuated endoplasmic reticulum (ER) stress in CORT mice as evident from the reduction in DNA damage-inducible transcript 3 (Ddit3) (gene encoding CHOP), caspase 12 (Casp12), and calpain-2 (Capn2) mRNA levels, and cleaved caspase 3 (CASP3) protein expression. Bax inhibitor-1 (BI-1) was significantly increased in VOR-treated CORT mice. VOR also reversed CORT induced increase in HDAC2 level in the CA3 region. The protective effects of VOR were comparable to that of FLX in CORT mice. Thus, VOR has the potential to reverse cognitive dysfunction via modulation of ER stress markers and HDAC2.
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Affiliation(s)
- Athira K V
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Mirza, Kamrup, 781125 Assam, India
- Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi, 682041 Kerala, India
| | - Rajaram Mohanrao Madhana
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Mirza, Kamrup, 781125 Assam, India
| | - Akhilesh Kumar Bais
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Mirza, Kamrup, 781125 Assam, India
| | - Vijay Bahadur Singh
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Mirza, Kamrup, 781125 Assam, India
| | - Arpit Malik
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Mirza, Kamrup, 781125 Assam, India
| | - Swapnil Sinha
- DST WOS-A Scientist, Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Mirza, Kamrup, 781125 Assam, India
| | - Mangala Lahkar
- Department of Pharmacology, Gauhati Medical College, Guwahati, 781032 Assam, India
| | - Pramod Kumar
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, 781125 Assam, India
| | - Pavan Kumar Samudrala
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Mirza, Kamrup, 781125 Assam, India
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Vancamp P, Butruille L, Demeneix BA, Remaud S. Thyroid Hormone and Neural Stem Cells: Repair Potential Following Brain and Spinal Cord Injury. Front Neurosci 2020; 14:875. [PMID: 32982671 PMCID: PMC7479247 DOI: 10.3389/fnins.2020.00875] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 07/28/2020] [Indexed: 12/22/2022] Open
Abstract
Neurodegenerative diseases are characterized by chronic neuronal and/or glial cell loss, while traumatic injury is often accompanied by the acute loss of both. Multipotent neural stem cells (NSCs) in the adult mammalian brain spontaneously proliferate, forming neuronal and glial progenitors that migrate toward lesion sites upon injury. However, they fail to replace neurons and glial cells due to molecular inhibition and the lack of pro-regenerative cues. A major challenge in regenerative biology therefore is to unveil signaling pathways that could override molecular brakes and boost endogenous repair. In physiological conditions, thyroid hormone (TH) acts on NSC commitment in the subventricular zone, and the subgranular zone, the two largest NSC niches in mammals, including humans. Here, we discuss whether TH could have beneficial actions in various pathological contexts too, by evaluating recent data obtained in mammalian models of multiple sclerosis (MS; loss of oligodendroglial cells), Alzheimer’s disease (loss of neuronal cells), stroke and spinal cord injury (neuroglial cell loss). So far, TH has shown promising effects as a stimulator of remyelination in MS models, while its role in NSC-mediated repair in other diseases remains elusive. Disentangling the spatiotemporal aspects of the injury-driven repair response as well as the molecular and cellular mechanisms by which TH acts, could unveil new ways to further exploit its pro-regenerative potential, while TH (ant)agonists with cell type-specific action could provide safer and more target-directed approaches that translate easier to clinical settings.
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Affiliation(s)
- Pieter Vancamp
- Laboratory Molecular Physiology and Adaptation, CNRS UMR 7221, Muséum National d'Histoire Naturelle, Department Adaptations of Life, Paris, France
| | - Lucile Butruille
- Laboratory Molecular Physiology and Adaptation, CNRS UMR 7221, Muséum National d'Histoire Naturelle, Department Adaptations of Life, Paris, France
| | - Barbara A Demeneix
- Laboratory Molecular Physiology and Adaptation, CNRS UMR 7221, Muséum National d'Histoire Naturelle, Department Adaptations of Life, Paris, France
| | - Sylvie Remaud
- Laboratory Molecular Physiology and Adaptation, CNRS UMR 7221, Muséum National d'Histoire Naturelle, Department Adaptations of Life, Paris, France
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35
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Lin LY, Kelliny S, Liu LC, Al-Hawwas M, Zhou XF, Bobrovskaya L. Peripheral ProBDNF Delivered by an AAV Vector to the Muscle Triggers Depression-Like Behaviours in Mice. Neurotox Res 2020; 38:626-639. [DOI: 10.1007/s12640-020-00256-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 06/22/2020] [Accepted: 07/06/2020] [Indexed: 02/07/2023]
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Ceccarelli M, D’Andrea G, Micheli L, Tirone F. Interaction Between Neurogenic Stimuli and the Gene Network Controlling the Activation of Stem Cells of the Adult Neurogenic Niches, in Physiological and Pathological Conditions. Front Cell Dev Biol 2020; 8:211. [PMID: 32318568 PMCID: PMC7154047 DOI: 10.3389/fcell.2020.00211] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 03/11/2020] [Indexed: 12/26/2022] Open
Abstract
In the adult mammalian brain new neurons are continuously generated throughout life in two niches, the dentate gyrus of the hippocampus and the subventricular zone. This process, called adult neurogenesis, starts from stem cells, which are activated and enter the cell cycle. The proliferative capability of stem cells progressively decreases during aging. The population of stem cells is generally quiescent, and it is not clear whether the potential for stem cells to expand is limited, or whether they can expand and then return to quiescence, remaining available for further activation. Certain conditions may deregulate stem cells quiescence and self-renewal. In fact we discuss the possibility of activation of stem cells by neurogenic stimuli as a function of the intensity of the stimulus (i.e., whether this is physiological or pathological), and of the deregulation of the system (i.e., whether the model is aged or carrying genetic mutations in the gene network controlling quiescence). It appears that when the system is aged and/or carrying mutations of quiescence-maintaining genes, preservation of the quiescent state of stem cells is more critical and stem cells can be activated by a neurogenic stimulus which is ineffective in normal conditions. Moreover, when a neurogenic stimulus is in itself a cause of brain damage (e.g., kainic acid treatment) the activation of stem cells occurs bypassing any inhibitory control. Plausibly, with strong neurogenic stimuli, such as kainic acid injected into the dentate gyrus, the self-renewal capacity of stem cells may undergo rapid exhaustion. However, the self-renewal capability of stem cells persists when normal stimuli are elicited in the presence of a mutation of one of the quiescence-maintaining genes, such as p16Ink4a, p21Cip1 or Btg1. In this case, stem cells become promptly activated by a neurogenic stimulus even during aging. This indicates that stem cells retain a high proliferative capability and plasticity, and suggests that stem cells are protected against the response to stimulus and are resilient to exhaustion. It will be interesting to assess at which functional degree of deregulation of the quiescence-maintaining system, stem cells will remain responsive to repeated neurogenic stimuli without undergoing exhaustion of their pool.
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Affiliation(s)
| | | | | | - Felice Tirone
- Institute of Biochemistry and Cell Biology, National Research Council (IBBC-CNR), Rome, Italy
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37
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Buffo A, Ceruti S. Editorial overview: Modulation of neurogenesis. Curr Opin Pharmacol 2020; 50:96-99. [PMID: 32179439 DOI: 10.1016/j.coph.2020.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Annalisa Buffo
- Department of Neurosciences "Rita Levi Montalcini" - Università degli Studi di Torino, Turin, Italy; Neuroscience Institute Cavalieri Ottolenghi (NICO), Turin, Italy.
| | - Stefania Ceruti
- Department of Pharmacological and Biomolecular Sciences - Università degli Studi di Milano, Milan, Italy.
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