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Tomescu MI, Van der Donck S, Perisanu EM, Berceanu AI, Alaerts K, Boets B, Carcea I. Social functioning predicts individual changes in EEG microstates following intranasal oxytocin administration: A double-blind, cross-over randomized clinical trial. Psychophysiology 2024:e14581. [PMID: 38594888 DOI: 10.1111/psyp.14581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 03/20/2024] [Accepted: 03/21/2024] [Indexed: 04/11/2024]
Abstract
Oxytocin (OXT) modulates social behaviors. However, the administration of exogenous OXT in humans produces inconsistent behavioral changes, affecting future consideration of OXT as a treatment for autism and other disorders with social symptoms. Inter-individual variability in social functioning traits might play a key role in how OXT changes brain activity and, therefore, behavior. Here, we investigated if inter-individual variability might dictate how single-dose intranasal OXT administration (IN-OXT) changes spontaneous neural activity during the eyes-open resting state. We used a double-blinded, randomized, placebo-controlled, cross-over design on 30 typically developing young adult men to investigate the dynamics of EEG microstates corresponding to activity in defined neural networks. We confirmed previous reports that, at the group level, IN-OXT increases the representation of the attention and salience microstates. Furthermore, we identified a decreased representation of microstates associated with the default mode network. Using multivariate partial least square statistical analysis, we found that social functioning traits associated with IN-OXT-induced changes in microstate dynamics in specific spectral bands. Correlation analysis further revealed that the higher the social functioning, the more IN-OXT increased the appearance of the visual network-associated microstate, and suppressed the appearance of a default mode network-related microstate. The lower the social functioning, the more IN-OXT increases the appearance of the salience microstate. The effects we report on the salience microstate support the hypothesis that OXT regulates behavior by enhancing social salience. Moreover, our findings indicate that social functioning traits modulate responses to IN-OXT and could partially explain the inconsistent reports on IN-OXT effects.
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Affiliation(s)
- Miralena I Tomescu
- Faculty of Educational Sciences, Department of Psychology, University "Stefan cel Mare" of Suceava, Bucharest, Romania
- CINETic Center, National University of Theatre and Film "I.L. Caragiale" Bucharest, Bucharest, Romania
- Faculty of Psychology and Educational Sciences, Department of Psychology, University of Bucharest, Bucharest, Romania
| | - Stephanie Van der Donck
- Center for Developmental Psychiatry, Department of Neurosciences, KU Leuven, Leuven, Belgium
- Leuven Autism Research (LAuRes), KU Leuven, Leuven, Belgium
| | - Emanuela M Perisanu
- Institute of Cardiovascular Diseases, Timisoara, Romania
- Faculty of Medicine, University of Sibiu, Sibiu, Romania
| | - Alexandru I Berceanu
- CINETic Center, National University of Theatre and Film "I.L. Caragiale" Bucharest, Bucharest, Romania
| | - Kaat Alaerts
- Neuromodulation Laboratory, Research Group for Neurorehabilitation, KU Leuven, Leuven, Belgium
| | - Bart Boets
- Center for Developmental Psychiatry, Department of Neurosciences, KU Leuven, Leuven, Belgium
- Leuven Autism Research (LAuRes), KU Leuven, Leuven, Belgium
| | - Ioana Carcea
- CINETic Center, National University of Theatre and Film "I.L. Caragiale" Bucharest, Bucharest, Romania
- Department of Pharmacology, Physiology, and Neuroscience, Rutgers Brain Health Institute, Rutgers, The State University of New Jersey, Newark, New Jersey, USA
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2
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Binder LB, Rosa PB, de Sousa BM, Chagas LS, Dubljević O, Martineau FS, Mottarlini F, Castany S, Morton L, Krstanović F, Tassinari ID, Choconta JL, Pereira-Santos AR, Weinhard L, Pallegar PN, Vahsen BF, Lepiarz-Raba I, Compagnion AC, Lorente-Picón M. Neuro-immune interactions in health and disease: Insights from FENS-Hertie 2022 Winter School. Eur J Neurosci 2024; 59:1977-1992. [PMID: 38311960 DOI: 10.1111/ejn.16262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 12/16/2023] [Accepted: 01/07/2024] [Indexed: 02/06/2024]
Abstract
In a great partnership, the Federation of European Neuroscience Societies (FENS) and the Hertie Foundation organized the FENS-Hertie 2022 Winter School on 'Neuro-immune interactions in health and disease'. The school selected 27 PhD students and 13 postdoctoral fellows from 20 countries and involved 14 faculty members experts in the field. The Winter School focused on a rising field of research, the interactions between the nervous and both innate and adaptive immune systems under pathological and physiological conditions. A fine-tuned neuro-immune crosstalk is fundamental for healthy development, while disrupted neuro-immune communication might play a role in neurodegeneration, neuroinflammation and aging. However, much is yet to be understood about the underlying mechanisms of these neuro-immune interactions in the healthy brain and under pathological scenarios. In addition to new findings in this emerging field, novel methodologies and animal models were presented to foment research on neuro-immunology. The FENS-Hertie 2022 Winter School provided an insightful knowledge exchange between students and faculty focusing on the latest discoveries in the biology of neuro-immune interactions while fostering great academic and professional opportunities for early-career neuroscientists from around the world.
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Affiliation(s)
- Luisa B Binder
- Department of Psychiatry and Neuroscience, Faculty of Medicine and CERVO Brain Research Center, Université Laval, Quebec City, Canada
| | - Priscila B Rosa
- Center for Social and Affective Neuroscience (CSAN), Linköping University, Linköping, Sweden
| | - Bárbara M de Sousa
- Institute of Biomedicine (iBiMED), Department of Medical Sciences, Universidade de Aveiro, Aveiro, Portugal
| | - Luana S Chagas
- Department of Neurobiology, Institute of Biology, Fluminense Federal University, Niterói, Brazil
| | - Olga Dubljević
- Department of Neurobiology, Univerzitet u Beogradu Institut za Biološka Istraživanja Siniša Stanković, Institute for Biological Research, Beograd, Republic of Serbia
| | | | - Francesca Mottarlini
- Department of Pharmacological and Biomolecular Sciences 'Rodolfo Paoletti', Università degli Studi di Milano, Milan, Italy
| | - Sílvia Castany
- Center for Social and Affective Neuroscience (CSAN), Linköping University, Linköping, Sweden
| | - Lorena Morton
- Faculty of Medicine, Institute of Inflammation and Neurodegeneration, Otto-von-Guericke University, Magdeburg, Germany
| | - Fran Krstanović
- Faculty of Medicine, Center for Proteomics, University of Rijeka, Rijeka, Croatia
| | - Isadora D Tassinari
- Department of Physiology, Graduate Program in Physiology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Jeiny L Choconta
- Institute of Physiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Ana Raquel Pereira-Santos
- Center for Neuroscience and Cell Biology (CNC), CIBB - Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | | | | | - Björn F Vahsen
- Nuffield Department of Clinical Neurosciences, Oxford Motor Neuron Disease Centre, University of Oxford, John Radcliffe Hospital, Oxford, UK
- Kavli Institute for Nanoscience Discovery, University of Oxford, Oxford, UK
| | - Izabela Lepiarz-Raba
- BRAINCITY: Centre of Excellence for Neural Plasticity and Brain Disorders, Nencki Institute of Experimental Biology PAS, Warsaw, Poland
| | | | - Marina Lorente-Picón
- Vall d'Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
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3
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Mukherjee M, Mukherjee C, Ghosh V, Jain A, Sadhukhan S, Dagar S, Sahu BS. Endoplasmic reticulum stress impedes regulated secretion by governing key exocytotic and granulogenic molecular switches. J Cell Sci 2024; 137:jcs261257. [PMID: 38348894 DOI: 10.1242/jcs.261257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 02/05/2024] [Indexed: 03/20/2024] Open
Abstract
Dense core vesicles (DCVs) and synaptic vesicles are specialised secretory vesicles in neurons and neuroendocrine cells, and abnormal release of their cargo is associated with various pathophysiologies. Endoplasmic reticulum (ER) stress and inter-organellar communication are also associated with disease biology. To investigate the functional status of regulated exocytosis arising from the crosstalk of a stressed ER and DCVs, ER stress was modelled in PC12 neuroendocrine cells using thapsigargin. DCV exocytosis was severely compromised in ER-stressed PC12 cells and was reversed to varying magnitudes by ER stress attenuators. Experiments with tunicamycin, an independent ER stressor, yielded similar results. Concurrently, ER stress also caused impaired DCV exocytosis in insulin-secreting INS-1 cells. Molecular analysis revealed blunted SNAP25 expression, potentially attributed to augmented levels of ATF4, an inhibitor of CREB that binds to the CREB-binding site. The effects of loss of function of ATF4 in ER-stressed cells substantiated this attribution. Our studies revealed severe defects in DCV exocytosis in ER-stressed cells for the first time, mediated by reduced levels of key exocytotic and granulogenic switches regulated via the eIF2α (EIF2A)-ATF4 axis.
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Affiliation(s)
- Mohima Mukherjee
- National Brain Research Centre, Manesar, Gurgaon, Haryana 122052, India
| | | | - Vinayak Ghosh
- National Brain Research Centre, Manesar, Gurgaon, Haryana 122052, India
| | - Aamna Jain
- National Brain Research Centre, Manesar, Gurgaon, Haryana 122052, India
| | - Souren Sadhukhan
- National Brain Research Centre, Manesar, Gurgaon, Haryana 122052, India
| | - Sushma Dagar
- National Brain Research Centre, Manesar, Gurgaon, Haryana 122052, India
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Skv M, Abraham SM, Eshwari O, Golla K, Jhelum P, Maity S, Komal P. Tremendous Fidelity of Vitamin D3 in Age-related Neurological Disorders. Mol Neurobiol 2024:10.1007/s12035-024-03989-w. [PMID: 38372958 DOI: 10.1007/s12035-024-03989-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 01/23/2024] [Indexed: 02/20/2024]
Abstract
Vitamin D3 (VD) is a secosteroid hormone and shows a pleiotropic effect in brain-related disorders where it regulates redox imbalance, inflammation, apoptosis, energy production, and growth factor synthesis. Vitamin D3's active metabolic form, 1,25-dihydroxy Vitamin D3 (1,25(OH)2D3 or calcitriol), is a known regulator of several genes involved in neuroplasticity, neuroprotection, neurotropism, and neuroinflammation. Multiple studies suggest that VD deficiency can be proposed as a risk factor for the development of several age-related neurological disorders. The evidence for low serum levels of 25-hydroxy Vitamin D3 (25(OH)D3 or calcidiol), the major circulating form of VD, is associated with an increased risk of Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), dementia, and cognitive impairment. Despite decades of evidence on low VD association with neurological disorders, the precise molecular mechanism behind its beneficial effect remains controversial. Here, we will be delving into the neurobiological importance of VD and discuss its benefits in different neuropsychiatric disorders. The focus will be on AD, PD, and HD as they share some common clinical, pathological, and epidemiological features. The central focus will be on the different attributes of VD in the aspect of its anti-oxidative, anti-inflammatory, anti-apoptotic, anti-cholinesterase activity, and psychotropic effect in different neurodegenerative diseases.
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Affiliation(s)
- Manjari Skv
- Department of Biological Sciences, Birla Institute of Technology and Science-Pilani (BITS-Pilani) Hyderabad campus, Shameerpet-Mandal, Hyderabad, Telangana, India
| | - Sharon Mariam Abraham
- Department of Biological Sciences, Birla Institute of Technology and Science-Pilani (BITS-Pilani) Hyderabad campus, Shameerpet-Mandal, Hyderabad, Telangana, India
| | - Omalur Eshwari
- Department of Biological Sciences, Birla Institute of Technology and Science-Pilani (BITS-Pilani) Hyderabad campus, Shameerpet-Mandal, Hyderabad, Telangana, India
| | - Kishore Golla
- Department of Biological Sciences, Birla Institute of Technology and Science-Pilani (BITS-Pilani) Hyderabad campus, Shameerpet-Mandal, Hyderabad, Telangana, India
| | - Priya Jhelum
- Centre for Research in Neuroscience and Brain Program, The Research Instituteof the, McGill University Health Centre , Montreal, QC, Canada
| | - Shuvadeep Maity
- Department of Biological Sciences, Birla Institute of Technology and Science-Pilani (BITS-Pilani) Hyderabad campus, Shameerpet-Mandal, Hyderabad, Telangana, India
| | - Pragya Komal
- Department of Biological Sciences, Birla Institute of Technology and Science-Pilani (BITS-Pilani) Hyderabad campus, Shameerpet-Mandal, Hyderabad, Telangana, India.
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Ulhaq ZS, Tse WKF. PFHxS Exposure and the Risk of Non-Alcoholic Fatty Liver Disease. Genes (Basel) 2024; 15:93. [PMID: 38254982 PMCID: PMC10815161 DOI: 10.3390/genes15010093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/09/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Perfluorohexanesulfonic acid (PFHxS) is a highly prevalent environmental pollutant, often considered to be less toxic than other poly- and perfluoroalkyl substances (PFASs). Despite its relatively lower environmental impact compared to other PFASs, several studies have suggested that exposure to PFHxS may be associated with disruptions of liver function in humans. Nevertheless, the precise pathomechanisms underlying PFHxS-induced non-alcoholic fatty liver disease (NAFLD) remain relatively unclear. Therefore, this study applied our previously published transcriptome dataset to explore the effects of PFHxS exposure on the susceptibility to NAFLD and to identify potential mechanisms responsible for PFHxS-induced NAFLD through transcriptomic analysis conducted on zebrafish embryos. Results showed that exposure to PFHxS markedly aggravated hepatic symptoms resembling NAFLD and other metabolic syndromes (MetS) in fish. Transcriptomic analysis unveiled 17 genes consistently observed in both NAFLD and insulin resistance (IR), along with an additional 28 genes identified in both the adipocytokine signaling pathway and IR. These shared genes were also found within the NAFLD dataset, suggesting that hepatic IR may play a prominent role in the development of PFHxS-induced NAFLD. In conclusion, our study suggests that environmental exposure to PFHxS could be a potential risk factor for the development of NAFLD, challenging the earlier notion of PFHxS being safer as previously claimed.
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Affiliation(s)
- Zulvikar Syambani Ulhaq
- Laboratory of Developmental Disorders and Toxicology, Center for Promotion of International Education and Research, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
- Research Center for Pre-Clinical and Clinical Medicine, National Research and Innovation Agency Republic of Indonesia, Cibinong 16911, Indonesia
| | - William Ka Fai Tse
- Laboratory of Developmental Disorders and Toxicology, Center for Promotion of International Education and Research, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
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Kuliesiute U, Joseph K, Straehle J, Madapusi Ravi V, Kueckelhaus J, Kada Benotmane J, Zhang J, Vlachos A, Beck J, Schnell O, Neniskyte U, Heiland DH. Sialic acid metabolism orchestrates transcellular connectivity and signaling in glioblastoma. Neuro Oncol 2023; 25:1963-1975. [PMID: 37288604 PMCID: PMC10628944 DOI: 10.1093/neuonc/noad101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Indexed: 06/09/2023] Open
Abstract
BACKGROUND In glioblastoma (GBM), the effects of altered glycocalyx are largely unexplored. The terminal moiety of cell coating glycans, sialic acid, is of paramount importance for cell-cell contacts. However, sialic acid turnover in gliomas and its impact on tumor networks remain unknown. METHODS We streamlined an experimental setup using organotypic human brain slice cultures as a framework for exploring brain glycobiology, including metabolic labeling of sialic acid moieties and quantification of glycocalyx changes. By live, 2-photon and high-resolution microscopy we have examined morphological and functional effects of altered sialic acid metabolism in GBM. By calcium imaging we investigated the effects of the altered glycocalyx on a functional level of GBM networks. RESULTS The visualization and quantitative analysis of newly synthesized sialic acids revealed a high rate of de novo sialylation in GBM cells. Sialyltrasferases and sialidases were highly expressed in GBM, indicating that significant turnover of sialic acids is involved in GBM pathology. Inhibition of either sialic acid biosynthesis or desialylation affected the pattern of tumor growth and lead to the alterations in the connectivity of glioblastoma cells network. CONCLUSIONS Our results indicate that sialic acid is essential for the establishment of GBM tumor and its cellular network. They highlight the importance of sialic acid for glioblastoma pathology and suggest that dynamics of sialylation have the potential to be targeted therapeutically.
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Affiliation(s)
- Ugne Kuliesiute
- Microenvironment and Immunology Research Laboratory, Medical Center, University of Freiburg, Freiburg, Germany
- Department of Neurosurgery, Medical Center, University of Freiburg, Freiburg, Germany
- Faculty of Medicine, Freiburg University, Freiburg, Germany
- Institute of Biosciences, Life Sciences Center, Vilnius University, Vilnius, Lithuania
- VU LSC-EMBL Partnership for Genome Editing Technologies, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Kevin Joseph
- Microenvironment and Immunology Research Laboratory, Medical Center, University of Freiburg, Freiburg, Germany
- Department of Neurosurgery, Medical Center, University of Freiburg, Freiburg, Germany
- Faculty of Medicine, Freiburg University, Freiburg, Germany
- Department of Neuroanatomy, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center Brain Links Brain Tools, University of Freiburg, Freiburg, Germany
| | - Jakob Straehle
- Department of Neurosurgery, Medical Center, University of Freiburg, Freiburg, Germany
- Faculty of Medicine, Freiburg University, Freiburg, Germany
- Department of Neuroanatomy, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Vidhya Madapusi Ravi
- Microenvironment and Immunology Research Laboratory, Medical Center, University of Freiburg, Freiburg, Germany
- Department of Neurosurgery, Medical Center, University of Freiburg, Freiburg, Germany
- Faculty of Medicine, Freiburg University, Freiburg, Germany
- Department of Neuroanatomy, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center Brain Links Brain Tools, University of Freiburg, Freiburg, Germany
| | - Jan Kueckelhaus
- Microenvironment and Immunology Research Laboratory, Medical Center, University of Freiburg, Freiburg, Germany
- Department of Neurosurgery, Medical Center, University of Freiburg, Freiburg, Germany
- Faculty of Medicine, Freiburg University, Freiburg, Germany
- Department of Neuroanatomy, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center Brain Links Brain Tools, University of Freiburg, Freiburg, Germany
| | - Jasim Kada Benotmane
- Microenvironment and Immunology Research Laboratory, Medical Center, University of Freiburg, Freiburg, Germany
- Department of Neurosurgery, Medical Center, University of Freiburg, Freiburg, Germany
- Faculty of Medicine, Freiburg University, Freiburg, Germany
- Department of Neuroanatomy, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center Brain Links Brain Tools, University of Freiburg, Freiburg, Germany
| | - Junyi Zhang
- Microenvironment and Immunology Research Laboratory, Medical Center, University of Freiburg, Freiburg, Germany
- Department of Neurosurgery, Medical Center, University of Freiburg, Freiburg, Germany
- Faculty of Medicine, Freiburg University, Freiburg, Germany
- Department of Neuroanatomy, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center Brain Links Brain Tools, University of Freiburg, Freiburg, Germany
| | - Andreas Vlachos
- Department of Neuroanatomy, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center Brain Links Brain Tools, University of Freiburg, Freiburg, Germany
- Center for Basics in Neuromodulation, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Juergen Beck
- Department of Neurosurgery, Medical Center, University of Freiburg, Freiburg, Germany
- Faculty of Medicine, Freiburg University, Freiburg, Germany
- Department of Neuroanatomy, Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Oliver Schnell
- Microenvironment and Immunology Research Laboratory, Medical Center, University of Freiburg, Freiburg, Germany
- Department of Neurosurgery, Medical Center, University of Freiburg, Freiburg, Germany
- Faculty of Medicine, Freiburg University, Freiburg, Germany
| | - Urte Neniskyte
- Institute of Biosciences, Life Sciences Center, Vilnius University, Vilnius, Lithuania
- VU LSC-EMBL Partnership for Genome Editing Technologies, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Dieter Henrik Heiland
- Microenvironment and Immunology Research Laboratory, Medical Center, University of Freiburg, Freiburg, Germany
- Department of Neurosurgery, Medical Center, University of Freiburg, Freiburg, Germany
- Faculty of Medicine, Freiburg University, Freiburg, Germany
- Department of Neurological Surgery, Lou and Jean Malnati Brain Tumor Institute, Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
- Comprehensive Cancer Center Freiburg (CCCF), Faculty of Medicine and Medical Center—University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK), partner siteFreiburg
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Doelling KB, Arnal LH, Assaneo MF. Adaptive oscillators support Bayesian prediction in temporal processing. PLoS Comput Biol 2023; 19:e1011669. [PMID: 38011225 PMCID: PMC10703266 DOI: 10.1371/journal.pcbi.1011669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 12/07/2023] [Accepted: 11/07/2023] [Indexed: 11/29/2023] Open
Abstract
Humans excel at predictively synchronizing their behavior with external rhythms, as in dance or music performance. The neural processes underlying rhythmic inferences are debated: whether predictive perception relies on high-level generative models or whether it can readily be implemented locally by hard-coded intrinsic oscillators synchronizing to rhythmic input remains unclear and different underlying computational mechanisms have been proposed. Here we explore human perception for tone sequences with some temporal regularity at varying rates, but with considerable variability. Next, using a dynamical systems perspective, we successfully model the participants behavior using an adaptive frequency oscillator which adjusts its spontaneous frequency based on the rate of stimuli. This model better reflects human behavior than a canonical nonlinear oscillator and a predictive ramping model-both widely used for temporal estimation and prediction-and demonstrate that the classical distinction between absolute and relative computational mechanisms can be unified under this framework. In addition, we show that neural oscillators may constitute hard-coded physiological priors-in a Bayesian sense-that reduce temporal uncertainty and facilitate the predictive processing of noisy rhythms. Together, the results show that adaptive oscillators provide an elegant and biologically plausible means to subserve rhythmic inference, reconciling previously incompatible frameworks for temporal inferential processes.
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Affiliation(s)
- Keith B. Doelling
- Institut Pasteur, Université Paris Cité, Inserm UA06, Institut de l’Audition, Paris, France
- Center for Language Music and Emotion, New York University, New York, New York, United States of America
| | - Luc H. Arnal
- Institut Pasteur, Université Paris Cité, Inserm UA06, Institut de l’Audition, Paris, France
| | - M. Florencia Assaneo
- Instituto de Neurobiología, Universidad Nacional Autónoma de México, Santiago de Querétaro, México
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Trigo F, Kawaguchi SY. Analogue signaling of somatodendritic synaptic activity to axon enhances GABA release in young cerebellar molecular layer interneurons. eLife 2023; 12:e85971. [PMID: 37565643 PMCID: PMC10421593 DOI: 10.7554/elife.85971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 06/21/2023] [Indexed: 08/12/2023] Open
Abstract
Axons are equipped with the digital signaling capacity by which they generate and faithfully propagate action potentials (APs), and also with the analogue signaling capacity by which subthreshold activity in dendrites and soma is transmitted down the axon. Despite intense work, the extent and physiological role for subthreshold synaptic activity reaching the presynaptic boutons has remained elusive because of the technical limitation to record from them. To address this issue, we made simultaneous patch-clamp recordings from the presynaptic varicosities of cerebellar GABAergic interneurons together with their parent soma or postsynaptic target cells in young rat slices and/or primary cultures. Our tour-de-force direct functional dissection indicates that the somatodendritic spontaneous excitatory synaptic potentials are transmitted down the axon for significant distances, depolarizing presynaptic boutons. These analogously transmitted excitatory synaptic potentials augment presynaptic Ca++ influx upon arrival of an immediately following AP through a mechanism that involves a voltage-dependent priming of the Ca++ channels, leading to an increase in GABA release, without any modification in the presynaptic AP waveform or residual Ca++. Our work highlights the role of the axon in synaptic integration.
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Affiliation(s)
- Federico Trigo
- Departamento de Neurofisiología Celular y Molecular, Instituto de Investigaciones Biológicas Clemente EstableMontevideoUruguay
| | - Shin-ya Kawaguchi
- Department of Biophysics, Graduate School of Science, Kyoto University Oiwake-choKyotoJapan
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Matosin N, Arloth J, Czamara D, Edmond KZ, Maitra M, Fröhlich AS, Martinelli S, Kaul D, Bartlett R, Curry AR, Gassen NC, Hafner K, Müller NS, Worf K, Rehawi G, Nagy C, Halldorsdottir T, Cruceanu C, Gagliardi M, Gerstner N, Ködel M, Murek V, Ziller MJ, Scarr E, Tao R, Jaffe AE, Arzberger T, Falkai P, Kleinmann JE, Weinberger DR, Mechawar N, Schmitt A, Dean B, Turecki G, Hyde TM, Binder EB. Associations of psychiatric disease and ageing with FKBP5 expression converge on superficial layer neurons of the neocortex. Acta Neuropathol 2023; 145:439-459. [PMID: 36729133 PMCID: PMC10020280 DOI: 10.1007/s00401-023-02541-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 02/03/2023]
Abstract
Identification and characterisation of novel targets for treatment is a priority in the field of psychiatry. FKBP5 is a gene with decades of evidence suggesting its pathogenic role in a subset of psychiatric patients, with potential to be leveraged as a therapeutic target for these individuals. While it is widely reported that FKBP5/FKBP51 mRNA/protein (FKBP5/1) expression is impacted by psychiatric disease state, risk genotype and age, it is not known in which cell types and sub-anatomical areas of the human brain this occurs. This knowledge is critical to propel FKBP5/1-targeted treatment development. Here, we performed an extensive, large-scale postmortem study (n = 1024) of FKBP5/1, examining neocortical areas (BA9, BA11 and ventral BA24/BA24a) derived from subjects that lived with schizophrenia, major depression or bipolar disorder. With an extensive battery of RNA (bulk RNA sequencing, single-nucleus RNA sequencing, microarray, qPCR, RNAscope) and protein (immunoblot, immunohistochemistry) analysis approaches, we thoroughly investigated the effects of disease state, ageing and genotype on cortical FKBP5/1 expression including in a cell type-specific manner. We identified consistently heightened FKBP5/1 levels in psychopathology and with age, but not genotype, with these effects strongest in schizophrenia. Using single-nucleus RNA sequencing (snRNAseq; BA9 and BA11) and targeted histology (BA9, BA24a), we established that these disease and ageing effects on FKBP5/1 expression were most pronounced in excitatory superficial layer neurons of the neocortex, and this effect appeared to be consistent in both the granular and agranular areas examined. We then found that this increase in FKBP5 levels may impact on synaptic plasticity, as FKBP5 gex levels strongly and inversely correlated with dendritic mushroom spine density and brain-derived neurotrophic factor (BDNF) levels in superficial layer neurons in BA11. These findings pinpoint a novel cellular and molecular mechanism that has potential to open a new avenue of FKBP51 drug development to treat cognitive symptoms in psychiatric disorders.
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Affiliation(s)
- Natalie Matosin
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany.
- Molecular Horizons, School of Chemistry and Molecular Biosciences, Faculty of Science, Medicine and Health, University of Wollongong, Northfields Ave, Wollongong, 2522, Australia.
- Illawarra Health and Medical Research Institute, Northfields Ave, Wollongong, 2522, Australia.
| | - Janine Arloth
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
- Institute of Computational Biology, Helmholtz Zentrum München, 85764, Neuherberg, Germany
| | - Darina Czamara
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
| | - Katrina Z Edmond
- Molecular Horizons, School of Chemistry and Molecular Biosciences, Faculty of Science, Medicine and Health, University of Wollongong, Northfields Ave, Wollongong, 2522, Australia
- Illawarra Health and Medical Research Institute, Northfields Ave, Wollongong, 2522, Australia
| | - Malosree Maitra
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, Montreal, QC, Canada
| | - Anna S Fröhlich
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
- International Max Planck Research School for Translational Psychiatry, Munich, Germany
| | - Silvia Martinelli
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
- International Max Planck Research School for Translational Psychiatry, Munich, Germany
| | - Dominic Kaul
- Molecular Horizons, School of Chemistry and Molecular Biosciences, Faculty of Science, Medicine and Health, University of Wollongong, Northfields Ave, Wollongong, 2522, Australia
- Illawarra Health and Medical Research Institute, Northfields Ave, Wollongong, 2522, Australia
| | - Rachael Bartlett
- Molecular Horizons, School of Chemistry and Molecular Biosciences, Faculty of Science, Medicine and Health, University of Wollongong, Northfields Ave, Wollongong, 2522, Australia
- Illawarra Health and Medical Research Institute, Northfields Ave, Wollongong, 2522, Australia
| | - Amber R Curry
- Molecular Horizons, School of Chemistry and Molecular Biosciences, Faculty of Science, Medicine and Health, University of Wollongong, Northfields Ave, Wollongong, 2522, Australia
- Illawarra Health and Medical Research Institute, Northfields Ave, Wollongong, 2522, Australia
| | - Nils C Gassen
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
- Neurohomeostasis Research Group, Institute of Psychiatry, Clinical Centre, University of Bonn, Bonn, Germany
| | - Kathrin Hafner
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
| | - Nikola S Müller
- Institute of Computational Biology, Helmholtz Zentrum München, 85764, Neuherberg, Germany
| | - Karolina Worf
- Institute of Computational Biology, Helmholtz Zentrum München, 85764, Neuherberg, Germany
| | - Ghalia Rehawi
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
- Institute of Computational Biology, Helmholtz Zentrum München, 85764, Neuherberg, Germany
| | - Corina Nagy
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, Montreal, QC, Canada
- Department of Psychiatry, McGill University, Montreal, QC, Canada
| | | | - Cristiana Cruceanu
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Miriam Gagliardi
- Department of Psychiatry, University of Münster, Münster, Germany
| | - Nathalie Gerstner
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
- Institute of Computational Biology, Helmholtz Zentrum München, 85764, Neuherberg, Germany
- International Max Planck Research School for Translational Psychiatry, Munich, Germany
| | - Maik Ködel
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
| | - Vanessa Murek
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
- Department of Psychiatry, University of Münster, Münster, Germany
| | - Michael J Ziller
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
- Department of Psychiatry, University of Münster, Münster, Germany
| | - Elizabeth Scarr
- Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, 3010, Australia
- Synaptic Neurobiology and Cognition Laboratory, Florey Institute for Neuroscience and Mental Health, Parkville, VIC, Australia
| | - Ran Tao
- The Lieber Institute for Brain Development, Johns Hopkins University Medical Campus, Baltimore, MD, USA
| | - Andrew E Jaffe
- The Lieber Institute for Brain Development, Johns Hopkins University Medical Campus, Baltimore, MD, USA
| | - Thomas Arzberger
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilians University Munich, Nussbaumstrasse 7, 80336, Munich, Germany
- Centre for Neuropathology and Prion Research, Ludwig-Maximilians University Munich, Nussbaumstrasse 7, 80336, Munich, Germany
| | - Peter Falkai
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilians University Munich, Nussbaumstrasse 7, 80336, Munich, Germany
| | - Joel E Kleinmann
- The Lieber Institute for Brain Development, Johns Hopkins University Medical Campus, Baltimore, MD, USA
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Daniel R Weinberger
- The Lieber Institute for Brain Development, Johns Hopkins University Medical Campus, Baltimore, MD, USA
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Naguib Mechawar
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, Montreal, QC, Canada
- Department of Psychiatry, McGill University, Montreal, QC, Canada
| | - Andrea Schmitt
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilians University Munich, Nussbaumstrasse 7, 80336, Munich, Germany
- Laboratory of Neuroscience (LIM27), Institute of Psychiatry, University of Sao Paulo, Rua Dr. Ovidio Pires de Campos 785, São Paulo, 05453-010, Brazil
| | - Brian Dean
- Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, 3010, Australia
- Synaptic Neurobiology and Cognition Laboratory, Florey Institute for Neuroscience and Mental Health, Parkville, VIC, Australia
| | - Gustavo Turecki
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, Montreal, QC, Canada
- Department of Psychiatry, McGill University, Montreal, QC, Canada
- Department of Human Genetics, McGill University, Montreal, QC, Canada
| | - Thomas M Hyde
- The Lieber Institute for Brain Development, Johns Hopkins University Medical Campus, Baltimore, MD, USA
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Elisabeth B Binder
- Department of Translational Research in Psychiatry, Max-Planck Institute of Psychiatry, Munich, Germany.
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, USA.
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10
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Hernández-Arrambide PE, Carrasco-Carballo A, Parra I, Chamorro-Arenas D, Martínez I, Luna F, Sartillo-Piscil F, Tizabi Y, Mendieta L. Antidepressant and Neuroprotective Effects of 3-Hydroxy Paroxetine, an Analog of Paroxetine in Rats. Int J Neuropsychopharmacol 2023; 26:230-239. [PMID: 36433759 PMCID: PMC10032298 DOI: 10.1093/ijnp/pyac077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Paroxetine (PX) is a widely used antidepressant with side effects such as weakness, dizziness, and trouble sleeping. In search of novel compounds with better efficacy and fewer side effects, we synthesized 3HPX, a hydroxylated analog of PX, and compared the 2 in silico for their pharmacokinetic and binding properties and in vivo for their antidepressant and potential neuroprotective effects. METHODS In silico studies compared pharmacological properties as well as interactions of PX and 3HPX with the serotonin transporter. In vivo studies utilized an animal model of comorbid depression-Parkinson disease. Adult male Wistar rats were injected (sterotaxically) with lipopolysaccharide in the striatum (unilaterally), followed by 14 days of once-daily injections (i.p.) of 10 mg/kg PX or 3HPX. Animals were tested for motor asymmetry and locomotor activity as well as indices of anhedonia and helplessness using sucrose preference and forced swim tests, respectively. Brains of these animals were collected after the last test, and tyrosine hydroxylase-positive neurons in substantia nigra pars compacta and Iba-1-positive stained microglia in ipsilateral striatum were measured. RESULTS In silico findings indicated that 3HPX could bind stronger to serotonin transporter and also have a better clearance and hence less toxicity compared with PX. In vivo results revealed a more effective reversal of immobility in the swim test, substantial increase in tyrosine hydroxylase-positive cells in the substantia nigra pars compacta, and more ramified Iba-1+ cells by 3HPX compared with PX. CONCLUSION The findings suggest superior effectiveness of 3HPX as an antidepressant and neuroprotectant compared with PX and hence potential utility in Parkinson disease depression co-morbidity.
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Affiliation(s)
| | - Alan Carrasco-Carballo
- Laboratorio de Elucidación y Síntesis en Química Orgánica, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Irving Parra
- Laboratorio de Neuroquímica, Facultad de Ciencias Químicas Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Delfino Chamorro-Arenas
- Laboratorio de Síntesis Orgánica, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Isabel Martínez
- Laboratorio de Neuroquímica, Facultad de Ciencias Químicas Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Félix Luna
- Laboratorio de Neuroendocrinología, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Fernando Sartillo-Piscil
- Laboratorio de Síntesis Orgánica, Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Yousef Tizabi
- Department of Pharmacology, Howard University College of Medicine, Washington DC, USA
| | - Liliana Mendieta
- Laboratorio de Neuroquímica, Facultad de Ciencias Químicas Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
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11
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Bolatto C, Nieves S, Reyes A, Olivera-Bravo S, Cambiazo V. Patched-Related Is Required for Proper Development of Embryonic Drosophila Nervous System. Front Neurosci 2022; 16:920670. [PMID: 36081658 PMCID: PMC9446084 DOI: 10.3389/fnins.2022.920670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 06/24/2022] [Indexed: 11/19/2022] Open
Abstract
Patched-related (Ptr), classified primarily as a neuroectodermal gene, encodes a protein with predicted topology and domain organization closely related to those of Patched (Ptc), the canonical receptor of the Hedgehog (Hh) pathway. To investigate the physiological function of Ptr in the developing nervous system, Ptr null mutant embryos were immunolabeled and imaged under confocal microscopy. These embryos displayed severe alterations in the morphology of the primary axonal tracts, reduced number, and altered distribution of the Repo-positive glia as well as peripheral nervous system defects. Most of these alterations were recapitulated by downregulating Ptr expression, specifically in embryonic nerve cells. Because similar nervous system phenotypes have been observed in hh and ptc mutant embryos, we evaluated the Ptr participation in the Hh pathway by performing cell-based reporter assays. Clone-8 cells were transfected with Ptr-specific dsRNA or a Ptr DNA construct and assayed for changes in Hh-mediated induction of a luciferase reporter. The results obtained suggest that Ptr could act as a negative regulator of Hh signaling. Furthermore, co-immunoprecipitation assays from cell culture extracts premixed with a conditioned medium revealed a direct interaction between Ptr and Hh. Moreover, in vivo Ptr overexpression in the domain of the imaginal wing disc where Engrailed and Ptc coexist produced wing phenotypes at the A/P border. Thus, these results strongly suggest that Ptr plays a crucial role in nervous system development and appears to be a negative regulator of the Hh pathway.
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Affiliation(s)
- Carmen Bolatto
- Developmental Biology Laboratory, Histology and Embryology Department, Faculty of Medicine, Universidad de la República (UdelaR), Montevideo, Uruguay
- Cell and Molecular Neurobiology Laboratory, Computational and Integrative Neuroscience (NCIC) Department, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Montevideo, Uruguay
- *Correspondence: Carmen Bolatto
| | - Sofía Nieves
- Developmental Biology Laboratory, Histology and Embryology Department, Faculty of Medicine, Universidad de la República (UdelaR), Montevideo, Uruguay
| | - Agustina Reyes
- Developmental Biology Laboratory, Histology and Embryology Department, Faculty of Medicine, Universidad de la República (UdelaR), Montevideo, Uruguay
| | - Silvia Olivera-Bravo
- Cell and Molecular Neurobiology Laboratory, Computational and Integrative Neuroscience (NCIC) Department, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Montevideo, Uruguay
| | - Verónica Cambiazo
- Bioinformatic and Gene Expression Laboratory, Institute of Nutrition and Food Technology (INTA)-Universidad de Chile and Millennium Institute Center for Genome Regulation (CRG), Santiago, Chile
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12
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Assaneo MF, Ripollés P, Tichenor SE, Yaruss JS, Jackson ES. The Relationship Between Auditory-Motor Integration, Interoceptive Awareness, and Self-Reported Stuttering Severity. Front Integr Neurosci 2022; 16:869571. [PMID: 35600224 PMCID: PMC9120354 DOI: 10.3389/fnint.2022.869571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 04/13/2022] [Indexed: 11/13/2022] Open
Abstract
Stuttering is a neurodevelopmental speech disorder associated with motor timing that differs from non-stutterers. While neurodevelopmental disorders impacted by timing are associated with compromised auditory-motor integration and interoception, the interplay between those abilities and stuttering remains unexplored. Here, we studied the relationships between speech auditory-motor synchronization (a proxy for auditory-motor integration), interoceptive awareness, and self-reported stuttering severity using remotely delivered assessments. Results indicate that in general, stutterers and non-stutterers exhibit similar auditory-motor integration and interoceptive abilities. However, while speech auditory-motor synchrony (i.e., integration) and interoceptive awareness were not related, speech synchrony was inversely related to the speaker’s perception of stuttering severity as perceived by others, and interoceptive awareness was inversely related to self-reported stuttering impact. These findings support claims that stuttering is a heterogeneous, multi-faceted disorder such that uncorrelated auditory-motor integration and interoception measurements predicted different aspects of stuttering, suggesting two unrelated sources of timing differences associated with the disorder.
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Affiliation(s)
- M. Florencia Assaneo
- Institute of Neurobiology, National Autonomous University of Mexico, Querétaro, Mexico
- *Correspondence: M. Florencia Assaneo Eric S. Jackson
| | - Pablo Ripollés
- Department of Psychology, New York University, New York, NY, United States
- Music and Audio Research Lab, New York University, New York, NY, United States
- Center for Music, Language and Emotion, New York University, New York, NY, United States
| | - Seth E. Tichenor
- Department of Speech-Language Pathology, Duquesne University, Pittsburgh, PA, United States
| | - J. Scott Yaruss
- Department of Communicative Sciences and Disorders, Michigan State University, East Lansing, MI, United States
| | - Eric S. Jackson
- Department of Communicative Sciences and Disorders, New York University, New York, NY, United States
- *Correspondence: M. Florencia Assaneo Eric S. Jackson
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13
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Elce V, Handjaras G, Bernardi G. The Language of Dreams: Application of Linguistics-Based Approaches for the Automated Analysis of Dream Experiences. Clocks Sleep 2021; 3:495-514. [PMID: 34563057 PMCID: PMC8482230 DOI: 10.3390/clockssleep3030035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/15/2021] [Accepted: 09/17/2021] [Indexed: 11/16/2022] Open
Abstract
The study of dreams represents a crucial intersection between philosophical, psychological, neuroscientific, and clinical interests. Importantly, one of the main sources of insight into dreaming activity are the (oral or written) reports provided by dreamers upon awakening from their sleep. Classically, two main types of information are commonly extracted from dream reports: structural and semantic, content-related information. Extracted structural information is typically limited to the simple count of words or sentences in a report. Instead, content analysis usually relies on quantitative scores assigned by two or more (blind) human operators through the use of predefined coding systems. Within this review, we will show that methods borrowed from the field of linguistic analysis, such as graph analysis, dictionary-based content analysis, and distributional semantics approaches, could be used to complement and, in many cases, replace classical measures and scales for the quantitative structural and semantic assessment of dream reports. Importantly, these methods allow the direct (operator-independent) extraction of quantitative information from language data, hence enabling a fully objective and reproducible analysis of conscious experiences occurring during human sleep. Most importantly, these approaches can be partially or fully automatized and may thus be easily applied to the analysis of large datasets.
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Affiliation(s)
| | | | - Giulio Bernardi
- MoMiLab Research Unit, IMT School for Advanced Studies Lucca, 55100 Lucca, Italy; (V.E.); (G.H.)
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14
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Whiteway MR, Biderman D, Friedman Y, Dipoppa M, Buchanan EK, Wu A, Zhou J, Bonacchi N, Miska NJ, Noel JP, Rodriguez E, Schartner M, Socha K, Urai AE, Salzman CD, Cunningham JP, Paninski L. Partitioning variability in animal behavioral videos using semi-supervised variational autoencoders. PLoS Comput Biol 2021; 17:e1009439. [PMID: 34550974 PMCID: PMC8489729 DOI: 10.1371/journal.pcbi.1009439] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 10/04/2021] [Accepted: 09/09/2021] [Indexed: 12/02/2022] Open
Abstract
Recent neuroscience studies demonstrate that a deeper understanding of brain function requires a deeper understanding of behavior. Detailed behavioral measurements are now often collected using video cameras, resulting in an increased need for computer vision algorithms that extract useful information from video data. Here we introduce a new video analysis tool that combines the output of supervised pose estimation algorithms (e.g. DeepLabCut) with unsupervised dimensionality reduction methods to produce interpretable, low-dimensional representations of behavioral videos that extract more information than pose estimates alone. We demonstrate this tool by extracting interpretable behavioral features from videos of three different head-fixed mouse preparations, as well as a freely moving mouse in an open field arena, and show how these interpretable features can facilitate downstream behavioral and neural analyses. We also show how the behavioral features produced by our model improve the precision and interpretation of these downstream analyses compared to using the outputs of either fully supervised or fully unsupervised methods alone.
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Affiliation(s)
- Matthew R. Whiteway
- Center for Theoretical Neuroscience, Columbia University, New York, New York, United States of America
- Mortimer B. Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York, United States of America
- Grossman Center for the Statistics of Mind, Columbia University, New York, New York, United States of America
- Department of Statistics, Columbia University, New York, New York, United States of America
- Department of Neuroscience, Columbia University, New York, New York, United States of America
| | - Dan Biderman
- Center for Theoretical Neuroscience, Columbia University, New York, New York, United States of America
- Mortimer B. Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York, United States of America
- Grossman Center for the Statistics of Mind, Columbia University, New York, New York, United States of America
- Department of Statistics, Columbia University, New York, New York, United States of America
- Department of Neuroscience, Columbia University, New York, New York, United States of America
| | - Yoni Friedman
- Center for Theoretical Neuroscience, Columbia University, New York, New York, United States of America
- Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Boston, Massachusetts, United States of America
| | - Mario Dipoppa
- Center for Theoretical Neuroscience, Columbia University, New York, New York, United States of America
- Mortimer B. Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York, United States of America
| | - E. Kelly Buchanan
- Center for Theoretical Neuroscience, Columbia University, New York, New York, United States of America
- Mortimer B. Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York, United States of America
- Grossman Center for the Statistics of Mind, Columbia University, New York, New York, United States of America
- Department of Statistics, Columbia University, New York, New York, United States of America
- Department of Neuroscience, Columbia University, New York, New York, United States of America
| | - Anqi Wu
- Center for Theoretical Neuroscience, Columbia University, New York, New York, United States of America
- Mortimer B. Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York, United States of America
- Grossman Center for the Statistics of Mind, Columbia University, New York, New York, United States of America
- Department of Statistics, Columbia University, New York, New York, United States of America
- Department of Neuroscience, Columbia University, New York, New York, United States of America
| | - John Zhou
- Department of Computer Science, Columbia University, New York, New York, United States of America
| | | | - Nathaniel J. Miska
- Sainsbury-Wellcome Centre for Neural Circuits and Behavior, University College London, London, United Kingdom
| | - Jean-Paul Noel
- Center for Neural Science, New York University, New York, New York, United States of America
| | - Erica Rodriguez
- Mortimer B. Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York, United States of America
- Department of Neuroscience, Columbia University, New York, New York, United States of America
| | | | - Karolina Socha
- Institute of Ophthalmology, University College London, London, United Kingdom
| | - Anne E. Urai
- Cognitive Psychology Unit, Leiden University, Leiden, The Netherlands
| | - C. Daniel Salzman
- Mortimer B. Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York, United States of America
- Department of Neuroscience, Columbia University, New York, New York, United States of America
- Department of Psychiatry, Columbia University, New York, New York, United States of America
- New York State Psychiatric Institute, New York, New York, United States of America
- Kavli Institute for Brain Sciences, New York, New York, United States of America
| | | | - John P. Cunningham
- Center for Theoretical Neuroscience, Columbia University, New York, New York, United States of America
- Mortimer B. Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York, United States of America
- Grossman Center for the Statistics of Mind, Columbia University, New York, New York, United States of America
- Department of Statistics, Columbia University, New York, New York, United States of America
| | - Liam Paninski
- Center for Theoretical Neuroscience, Columbia University, New York, New York, United States of America
- Mortimer B. Zuckerman Mind Brain Behavior Institute, Columbia University, New York, New York, United States of America
- Grossman Center for the Statistics of Mind, Columbia University, New York, New York, United States of America
- Department of Statistics, Columbia University, New York, New York, United States of America
- Department of Neuroscience, Columbia University, New York, New York, United States of America
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15
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Talbi R, Ferrari K, Choi JH, Gerutshang A, McCarthy EA, Dischino D, León S, Navarro VM. Characterization of the Action of Tachykinin Signaling on Pulsatile LH Secretion in Male Mice. Endocrinology 2021; 162:bqab074. [PMID: 33839770 PMCID: PMC8234505 DOI: 10.1210/endocr/bqab074] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Indexed: 12/12/2022]
Abstract
The alternation of the stimulatory action of the tachykinin neurokinin B (NKB) and the inhibitory action of dynorphin within arcuate (ARH) Kiss1 neurons has been proposed as the mechanism behind the generation of gonadotropin-releasing hormone (GnRH) pulses through the pulsatile release of kisspeptin. However, we have recently documented that GnRH pulses still exist in gonadectomized mice in the absence of tachykinin signaling. Here, we document an increase in basal frequency and amplitude of luteinizing hormone (LH) pulses in intact male mice deficient in substance P, neurokinin A (NKA) signaling (Tac1KO), and NKB signaling (Tac2KO and Tacr3KO). Moreover, we offer evidence that a single bolus of the NKB receptor agonist senktide to gonad-intact wild-type males increases the basal release of LH without changing its frequency. Altogether, these data support the dispensable role of the individual tachykinin systems in the generation of LH pulses. Moreover, the increased activity of the GnRH pulse generator in intact KO male mice suggests the existence of compensation by additional mechanisms in the generation of kisspeptin/GnRH pulses.
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Affiliation(s)
- Rajae Talbi
- Harvard Medical School, Boston, MA 02115, USA
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Kaitlin Ferrari
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Ji Hae Choi
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Achi Gerutshang
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Elizabeth A McCarthy
- Harvard Medical School, Boston, MA 02115, USA
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Daniel Dischino
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Silvia León
- Harvard Medical School, Boston, MA 02115, USA
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Víctor M Navarro
- Harvard Medical School, Boston, MA 02115, USA
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Boston, MA 02115, USA
- Harvard Graduate Program in Neuroscience, Boston, MA 02115, USA
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16
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Pfeffer T, Ponce-Alvarez A, Tsetsos K, Meindertsma T, Gahnström CJ, van den Brink RL, Nolte G, Engel AK, Deco G, Donner TH. Circuit mechanisms for the chemical modulation of cortex-wide network interactions and behavioral variability. Sci Adv 2021; 7:eabf5620. [PMID: 34272245 PMCID: PMC8284895 DOI: 10.1126/sciadv.abf5620] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 06/03/2021] [Indexed: 05/07/2023]
Abstract
Influential theories postulate distinct roles of catecholamines and acetylcholine in cognition and behavior. However, previous physiological work reported similar effects of these neuromodulators on the response properties (specifically, the gain) of individual cortical neurons. Here, we show a double dissociation between the effects of catecholamines and acetylcholine at the level of large-scale interactions between cortical areas in humans. A pharmacological boost of catecholamine levels increased cortex-wide interactions during a visual task, but not rest. An acetylcholine boost decreased interactions during rest, but not task. Cortical circuit modeling explained this dissociation by differential changes in two circuit properties: the local excitation-inhibition balance (more strongly increased by catecholamines) and intracortical transmission (more strongly reduced by acetylcholine). The inferred catecholaminergic mechanism also predicted noisier decision-making, which we confirmed for both perceptual and value-based choice behavior. Our work highlights specific circuit mechanisms for shaping cortical network interactions and behavioral variability by key neuromodulatory systems.
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Affiliation(s)
- Thomas Pfeffer
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
- Center for Brain and Cognition, Computational Neuroscience Group, Universitat Pompeu Fabra, Barcelona, Spain
| | - Adrian Ponce-Alvarez
- Center for Brain and Cognition, Computational Neuroscience Group, Universitat Pompeu Fabra, Barcelona, Spain
| | - Konstantinos Tsetsos
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thomas Meindertsma
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Psychology, University of Amsterdam, Amsterdam, Netherlands
| | - Christoffer Julius Gahnström
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Ruud Lucas van den Brink
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Guido Nolte
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Andreas Karl Engel
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Gustavo Deco
- Center for Brain and Cognition, Computational Neuroscience Group, Universitat Pompeu Fabra, Barcelona, Spain
- Institució Catalana de la Recerca i Estudis Avançats (ICREA), Barcelona, Spain
- Department of Neuropsychology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
- School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Tobias Hinrich Donner
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
- Department of Psychology, University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Brain and Cognition, University of Amsterdam, Amsterdam, Netherlands
- Bernstein Center for Computational Neuroscience Berlin, Berlin, Germany
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17
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Bozal-Basterra L, Gonzalez-Santamarta M, Muratore V, Bermejo-Arteagabeitia A, Da Fonseca C, Barroso-Gomila O, Azkargorta M, Iloro I, Pampliega O, Andrade R, Martín-Martín N, Branon TC, Ting AY, Rodríguez JA, Carracedo A, Elortza F, Sutherland JD, Barrio R. LUZP1, a novel regulator of primary cilia and the actin cytoskeleton, is a contributing factor in Townes-Brocks Syndrome. eLife 2020; 9:e55957. [PMID: 32553112 PMCID: PMC7363444 DOI: 10.7554/elife.55957] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 06/18/2020] [Indexed: 12/20/2022] Open
Abstract
Primary cilia are sensory organelles crucial for cell signaling during development and organ homeostasis. Cilia arise from centrosomes and their formation and function is governed by numerous factors. Through our studies on Townes-Brocks Syndrome (TBS), a rare disease linked to abnormal cilia formation in human fibroblasts, we uncovered the leucine-zipper protein LUZP1 as an interactor of truncated SALL1, a dominantly-acting protein causing the disease. Using TurboID proximity labeling and pulldowns, we show that LUZP1 associates with factors linked to centrosome and actin filaments. Here, we show that LUZP1 is a cilia regulator. It localizes around the centrioles and to actin cytoskeleton. Loss of LUZP1 reduces F-actin levels, facilitates ciliogenesis and alters Sonic Hedgehog signaling, pointing to a key role in cytoskeleton-cilia interdependency. Truncated SALL1 increases the ubiquitin proteasome-mediated degradation of LUZP1. Together with other factors, alterations in LUZP1 may be contributing to TBS etiology.
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Affiliation(s)
- Laura Bozal-Basterra
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
| | - María Gonzalez-Santamarta
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
| | - Veronica Muratore
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
| | - Aitor Bermejo-Arteagabeitia
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
| | - Carolina Da Fonseca
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
| | - Orhi Barroso-Gomila
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
| | - Mikel Azkargorta
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
- CIBERehd, Instituto de Salud Carlos IIIMadridSpain
- ProteoRed-ISCIII, Instituto de Salud Carlos IIIMadridSpain
| | - Ibon Iloro
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
- CIBERehd, Instituto de Salud Carlos IIIMadridSpain
- ProteoRed-ISCIII, Instituto de Salud Carlos IIIMadridSpain
| | - Olatz Pampliega
- Department of Neurosciences, University of the Basque Country, Achucarro Basque Center for Neuroscience-UPV/EHULeioaSpain
| | - Ricardo Andrade
- Analytical & High Resolution Biomedical Microscopy Core Facility, University of the Basque Country (UPV/EHU)LeioaSpain
| | - Natalia Martín-Martín
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
| | - Tess C Branon
- Department of Chemistry, Massachusetts Institute of TechnologyCambridgeUnited States
- Departments of Genetics, Chemistry and Biology, Stanford UniversityStanfordUnited States
| | - Alice Y Ting
- Department of Chemistry, Massachusetts Institute of TechnologyCambridgeUnited States
- Departments of Genetics, Chemistry and Biology, Stanford UniversityStanfordUnited States
- Chan Zuckerberg BiohubSan FranciscoUnited States
| | - Jose A Rodríguez
- Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country (UPV/EHU)LeioaSpain
| | - Arkaitz Carracedo
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
- CIBERONC, Instituto de Salud Carlos IIIMadridSpain
- Ikerbasque, Basque Foundation for ScienceBilbaoSpain
- Biochemistry and Molecular Biology Department, University of the Basque Country (UPV/EHU)BilbaoSpain
| | - Felix Elortza
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
- CIBERehd, Instituto de Salud Carlos IIIMadridSpain
- ProteoRed-ISCIII, Instituto de Salud Carlos IIIMadridSpain
| | - James D Sutherland
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
| | - Rosa Barrio
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Bizkaia Technology ParkDerioSpain
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18
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Gulia KK, Kayama Y, Koyama Y. Assessment of the septal area neuronal activity during penile erections in rapid eye movement sleep and waking in the rats. J Physiol Sci 2018; 68:567-577. [PMID: 28770434 PMCID: PMC10716929 DOI: 10.1007/s12576-017-0562-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Accepted: 07/26/2017] [Indexed: 11/30/2022]
Abstract
To understand the central mechanism of penile erections during rapid eye movement (REM) sleep and waking, single units were recorded from the septal area in un-anesthetized head-restrained rats simultaneous with erections. Erectile events were assessed by pressure in the bulb of the corpus spongiosum of the penis and bulbospongiosus-muscle activity. Of 143 recorded neurons, 36% showed increased activity (E-type) and 24% decreased activity (I-type) during different phases of erection in REM sleep, while 10% were E-type and 35% were I-type during erections in waking. Most E-type neurons were recorded from the dorsal and intermediate part of lateral septum, whereas I-type neurons were from the medial septum. The findings illustrate the extensive network of various types of neurons in the septal area that fire in concert in relation to erection during REM sleep and waking. This study provides a unique prospective of the septal area for perpetuation of erectile circuitry during sleep.
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Affiliation(s)
- Kamalesh K Gulia
- Division of Sleep Research, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, 695012, India.
- Department of Neurophysiology, Fukushima Medical University School of Medicine, 1-Hikari-ga-oka, Fukushima, 960-1295, Japan.
| | - Yukihiko Kayama
- Department of Neurophysiology, Fukushima Medical University School of Medicine, 1-Hikari-ga-oka, Fukushima, 960-1295, Japan
| | - Yoshimasa Koyama
- Department of Science and Technology, Fukushima University, 1-Kanaya-gawa, Fukushima, 960-1296, Japan.
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19
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Górska AM, Kamińska K, Wawrzczak-Bargieła A, Costa G, Morelli M, Przewłocki R, Kreiner G, Gołembiowska K. Neurochemical and Neurotoxic Effects of MDMA (Ecstasy) and Caffeine After Chronic Combined Administration in Mice. Neurotox Res 2018; 33:532-548. [PMID: 29134560 PMCID: PMC5871650 DOI: 10.1007/s12640-017-9831-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 10/04/2017] [Accepted: 10/18/2017] [Indexed: 02/04/2023]
Abstract
MDMA (3,4-methylenedioxymethamphetamine) is a psychostimulant popular as a recreational drug because of its effect on mood and social interactions. MDMA acts at dopamine (DA) transporter (DAT) and serotonin (5-HT) transporter (SERT) and is known to induce damage of dopamine and serotonin neurons. MDMA is often ingested with caffeine. Caffeine as a non-selective adenosine A1/A2A receptor antagonist affects dopaminergic and serotonergic transmissions. The aim of the present study was to determine the changes in DA and 5-HT release in the mouse striatum induced by MDMA and caffeine after their chronic administration. To find out whether caffeine aggravates MDMA neurotoxicity, the content of DA and 5-HT, density of brain DAT and SERT, and oxidative damage of nuclear DNA were determined. Furthermore, the effect of caffeine on MDMA-induced changes in striatal dynorphin and enkephalin and on behavior was assessed. The DA and 5-HT release was determined with in vivo microdialysis, and the monoamine contents were measured by HPLC with electrochemical detection. DNA damage was assayed with the alkaline comet assay. DAT and SERT densities were determined by immunohistochemistry, while prodynorphin (PDYN) and proenkephalin were determined by quantitative PCR reactions. The behavioral changes were measured by the open-field (OF) test and novel object recognition (NOR) test. Caffeine potentiated MDMA-induced DA release while inhibiting 5-HT release in the mouse striatum. Caffeine also exacerbated the oxidative damage of nuclear DNA induced by MDMA but diminished DAT decrease in the striatum and worsened a decrease in SERT density produced by MDMA in the frontal cortex. Neither the striatal PDYN expression, increased by MDMA, nor exploratory and locomotor activities of mice, decreased by MDMA, were affected by caffeine. The exploration of novel object in the NOR test was diminished by MDMA and caffeine. Our data provide evidence that long-term caffeine administration has a powerful influence on functions of dopaminergic and serotonergic neurons in the mouse brain and on neurotoxic effects evoked by MDMA.
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Affiliation(s)
- Anna Maria Górska
- Department of Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, Smętna 12 Street, 31-343, Kraków, Poland
| | - Katarzyna Kamińska
- Department of Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, Smętna 12 Street, 31-343, Kraków, Poland
| | - Agnieszka Wawrzczak-Bargieła
- Department of Molecular Neuropharmacology, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland
| | - Giulia Costa
- Department of Biomedical Sciences, Section of Neuropsychopharmacology, University of Cagliari, Cagliari, Italy
| | - Micaela Morelli
- Department of Biomedical Sciences, Section of Neuropsychopharmacology, University of Cagliari, Cagliari, Italy
| | - Ryszard Przewłocki
- Department of Molecular Neuropharmacology, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland
| | - Grzegorz Kreiner
- Department of Brain Biochemistry, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland
| | - Krystyna Gołembiowska
- Department of Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, Smętna 12 Street, 31-343, Kraków, Poland.
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20
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Akinola OB, Gabriel MO. Neuroanatomical and molecular correlates of cognitive and behavioural outcomes in hypogonadal males. Metab Brain Dis 2018; 33:491-505. [PMID: 29230619 DOI: 10.1007/s11011-017-0163-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 11/28/2017] [Indexed: 12/18/2022]
Abstract
Robust epidemiological, clinical and laboratory evidence supports emerging roles for the sex steroids in such domains as neurodevelopment, behaviour, learning and cognition. Regions of the mammalian brain that are involved in cognitive development and memory do not only express the classical nuclear androgen receptor, but also the non-genomic membrane receptor, which is a G protein-coupled receptor that mediates some rapid effects of the androgens on neurogenesis and synaptic plasticity. Under physiological conditions, hippocampal neurons do express the enzyme aromatase, and therefore actively aromatize testosterone to oestradiol. Although glial expression of the aromatase enzyme is minimal, increased expression following injury suggests a role for sex steroids in neuroprotection. It is therefore plausible to deduce that low levels of circulating androgens in males would perturb neuronal functions in relation to cognition and memory, as well as neural repair following injury. The present review is an overview of some roles of the sex steroids on cognitive function in males, and the neuroanatomical and molecular underpinnings of some behavioural and cognitive deficits characteristic of such genetic disorders noted for low androgen levels, including Klinefelter syndrome, Bardet-Biedl syndrome, Kallman syndrome and Prader-Willi syndrome. Recent literature in relation to some behavioural and cognitive changes secondary to surgical and pharmacological castration are also appraised.
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Affiliation(s)
- O B Akinola
- Division of Endocrinology, Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, University of Ilorin, Ilorin, Nigeria.
| | - M O Gabriel
- Division of Endocrinology, Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, University of Ilorin, Ilorin, Nigeria
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