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Liu P, Lin T, Fischer H, Feifel D, Ebner NC. Effects of four-week intranasal oxytocin administration on large-scale brain networks in older adults. Neuropharmacology 2024; 260:110130. [PMID: 39182569 DOI: 10.1016/j.neuropharm.2024.110130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 07/18/2024] [Accepted: 08/20/2024] [Indexed: 08/27/2024]
Abstract
Oxytocin (OT) is a crucial modulator of social cognition and behavior. Previous work primarily examined effects of acute intranasal oxytocin administration (IN-OT) in younger males on isolated brain regions. Not well understood are (i) chronic IN-OT effects, (ii) in older adults, (iii) on large-scale brain networks, representative of OT's wider-ranging brain mechanisms. To address these research gaps, 60 generally healthy older adults (mean age = 70.12 years, range = 55-83) were randomly assigned to self-administer either IN-OT or placebo twice daily via nasal spray over four weeks. Chronic IN-OT reduced resting-state functional connectivity (rs-FC) of both the right insula and the left middle cingulate cortex with the salience network but enhanced rs-FC of the left medial prefrontal cortex with the default mode network as well as the left thalamus with the basal ganglia-thalamus network. No significant chronic IN-OT effects were observed for between-network rs-FC. However, chronic IN-OT increased selective rs-FC of the basal ganglia-thalamus network with the salience network and the default mode network, indicative of more specialized, efficient communication between these networks. Directly comparing chronic vs. acute IN-OT, reduced rs-FC of the right insula with the salience network and between the default mode network and the basal ganglia-thalamus network, and greater selective rs-FC of the salience network with the default mode network and the basal ganglia-thalamus network, were more pronounced after chronic than acute IN-OT. Our results delineate the modulatory role of IN-OT on large-scale brain networks among older adults.
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Affiliation(s)
- Peiwei Liu
- Department of Psychology, University of Florida, Gainesville, FL, 32611, USA.
| | - Tian Lin
- Department of Psychology, University of Florida, Gainesville, FL, 32611, USA
| | - Håkan Fischer
- Department of Psychology, Stockholm University, Stockholm, SE-106 91, Sweden; Stockholm University Brain Imaging Centre (SUBIC), Stockholm University, Stockholm, SE-106 91, Sweden; Aging Research Centre, Karolinska Institute, Stockholm, SE-171 77, Stockholm, Sweden
| | - David Feifel
- Department of Psychiatry, University of California, San Diego, CA, 92093, USA
| | - Natalie C Ebner
- Department of Psychology, University of Florida, Gainesville, FL, 32611, USA; Institute on Aging, University of Florida, Gainesville, FL, 32611, USA; Center for Cognitive Aging and Memory, University of Florida, Gainesville, FL, 32610, USA.
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Rilling JK, Lee M, Zhou C, Gonzalez A, Lindo J. Grandmotherhood is associated with reduced OXTR DNA methylation. Psychoneuroendocrinology 2024; 168:107122. [PMID: 39002451 DOI: 10.1016/j.psyneuen.2024.107122] [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: 04/28/2024] [Revised: 06/14/2024] [Accepted: 07/01/2024] [Indexed: 07/15/2024]
Abstract
In mammals, both parental and alloparental care are associated with increased brain oxytocin signaling. Grandmothers are important alloparents in many human families. Based on animal model research showing that peripheral Oxtr methylation is associated with Oxtr expression in the nucleus accumbens, we investigated whether grandmaternal caregiving is associated with lower peripheral OXTR methylation. Results reveal several regions within OXTR where grandmothers have lower DNA methylation compared with non-grandmother controls, and no regions where grandmothers have higher OXTR DNA methylation. Among grandmothers, OXTR methylation was most strongly correlated with the grandmother's assessment of the degree of positive feelings between her and the grandchild, which in turn predicted caregiving engagement. Although there was little evidence that grandmaternal OXTR methylation modulated grandmaternal neural responses to viewing photos of the grandchild within brain regions involved in caregiving motivation, it was negatively correlated with the neural response to an unknown grandchild. Thus, while OT signaling may not be essential for activating grandmaternal brain reward systems in our low-stress experimental context, it may support caregiving motivation towards unrelated children. Future longitudinal research should determine whether the transition to grandmotherhood is associated with a reduction in OXTR methylation.
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Affiliation(s)
- James K Rilling
- Department of Psychology, Emory University, United States; Department of Psychiatry and Behavioral Sciences, Emory University, United States; Center for Behavioral Neuroscience, Emory University, United States; Emory National Primate Research Center, Emory University, United States; Center for Translational Social Neuroscience, Emory University, United States.
| | - Minwoo Lee
- Department of Anthropology, Emory University, United States
| | - Carolyn Zhou
- Department of Anthropology, Emory University, United States
| | - Amber Gonzalez
- Department of Anthropology, Emory University, United States
| | - John Lindo
- Department of Anthropology, Emory University, United States
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Gholamalizadeh H, Amiri-Shahri M, Rasouli F, Ansari A, Baradaran Rahimi V, Reza Askari V. DNA Methylation in Autism Spectrum Disorders: Biomarker or Pharmacological Target? Brain Sci 2024; 14:737. [PMID: 39199432 PMCID: PMC11352561 DOI: 10.3390/brainsci14080737] [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: 06/19/2024] [Revised: 07/20/2024] [Accepted: 07/21/2024] [Indexed: 09/01/2024] Open
Abstract
Autism spectrum disorder (ASD) is a group of heterogeneous neurodevelopmental disabilities with persistent impairments in cognition, communication, and social behavior. Although environmental factors play a role in ASD etiopathogenesis, a growing body of evidence indicates that ASD is highly inherited. In the last two decades, the dramatic rise in the prevalence of ASD has interested researchers to explore the etiologic role of epigenetic marking and incredibly abnormal DNA methylation. This review aimed to explain the current understanding of the association between changes in DNA methylation signatures and ASD in patients or animal models. We reviewed studies reporting alterations in DNA methylation at specific genes as well as epigenome-wide association studies (EWASs). Finally, we hypothesized that specific changes in DNA methylation patterns could be considered a potential biomarker for ASD diagnosis and prognosis and even a target for pharmacological intervention.
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Affiliation(s)
- Hanieh Gholamalizadeh
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad 13131-99137, Iran;
- Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad 91779-48564, Iran
| | - Maedeh Amiri-Shahri
- Student Research Committee, North Khorasan University of Medical Sciences, Bojnurd 94149-75516, Iran; (M.A.-S.); (F.R.); (A.A.)
- Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd 94149-75516, Iran
| | - Fatemeh Rasouli
- Student Research Committee, North Khorasan University of Medical Sciences, Bojnurd 94149-75516, Iran; (M.A.-S.); (F.R.); (A.A.)
- Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd 94149-75516, Iran
| | - Arina Ansari
- Student Research Committee, North Khorasan University of Medical Sciences, Bojnurd 94149-75516, Iran; (M.A.-S.); (F.R.); (A.A.)
- Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd 94149-75516, Iran
| | - Vafa Baradaran Rahimi
- Department of Cardiovascular Diseases, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad 91779-48564, Iran;
| | - Vahid Reza Askari
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad 91779-48564, Iran
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Liu S, Xi H, Xue X, Sun X, Huang H, Fu D, Mi Y, He Y, Yang P, Tang Y, Zheng P. Clostridium butyricum regulates intestinal barrier function via trek1 to improve behavioral abnormalities in mice with autism spectrum disorder. Cell Biosci 2024; 14:95. [PMID: 39034406 PMCID: PMC11265103 DOI: 10.1186/s13578-024-01278-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 07/16/2024] [Indexed: 07/23/2024] Open
Abstract
BACKGROUND Autism Spectrum Disorder (ASD) is a complex neurodevelopmental disorder that has been found to be associated with dysregulation of gastrointestinal functions and gut microbial homeostasis (the so-called "gut-brain axis"). ASD is often accompanied by poor performances in social interaction and repetitive behaviors. Studies on the gut-brain axis provide novel insights and candidate targets for ASD therapeutics and diagnosis. Based on the ASD mice model, this work aims to reveal the mechanisms behind the interaction of intestinal barrier function and probiotics in ASD mouse models. RESULTS We found an altered intestinal barrier in both BTBR T+ Itpr3tf/J (BTBR) and valproic acid (VPA) mice, including increased intestinal permeability, decreased expression of intestinal tight junction proteins (claudin1, claudin3, and occludin), and increased levels of IL-6, TNF-α, and IFN-γ. Based on intestinal microbial alternation, C. butyricum can drive reduced expression of histone deacetylases 1 (HDAC1) and enhanced intestinal barrier function, significantly promoting behavioral abnormalities of ASD in BTBR mice. In parallel, we confirmed that C. butyricum was involved in the regulation of intestinal function by the Trek1 channel, indicating that it is a target of C. butyricum/butyric acid to improve intestinal barrier function in ASD mice. CONCLUSIONS Our finding provides solid evidence for the gut microbiota involved in ASD through the brain-gut axis. In addition, the probiotics C. butyricum hold promise to improve gut health and ameliorate behavioral abnormalities associated with ASD.
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Affiliation(s)
- Simeng Liu
- Marshall B. J. Medical Research Center, Zhengzhou University, Zhengzhou, 450052, Henan, China.
- Xiangyu Medical CO., LTD, Anyang, 456300, Henan, China.
| | - Huayuan Xi
- Marshall B. J. Medical Research Center, Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Gastroenterology, the Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Xia Xue
- Marshall B. J. Medical Research Center, Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Xiangdong Sun
- Marshall B. J. Medical Research Center, Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Huang Huang
- Department of Gastroenterology, the Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Dongjun Fu
- Modern Research Center for Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Yang Mi
- Marshall B. J. Medical Research Center, Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yongzheng He
- Xiangyu Medical CO., LTD, Anyang, 456300, Henan, China
| | - Pingchang Yang
- Brain Body Institute, McMaster University, Hamilton, ON, Canada
| | - Youcai Tang
- Department of Pediatrics, the Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
| | - Pengyuan Zheng
- Marshall B. J. Medical Research Center, Zhengzhou University, Zhengzhou, 450052, Henan, China.
- Department of Gastroenterology, the Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
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Hadler MD, Alle H, Geiger JRP. Parvalbumin interneuron cell-to-network plasticity: mechanisms and therapeutic avenues. Trends Pharmacol Sci 2024; 45:586-601. [PMID: 38763836 DOI: 10.1016/j.tips.2024.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 04/16/2024] [Accepted: 04/16/2024] [Indexed: 05/21/2024]
Abstract
Alzheimer's disease (AD) and schizophrenia (SCZ) represent two major neuropathological conditions with a high disease burden. Despite their distinct etiologies, patients suffering from AD or SCZ share a common burden of disrupted memory functions unattended by current therapies. Recent preclinical analyses highlight cell-type-specific contributions of parvalbumin interneurons (PVIs), particularly the plasticity of their cellular excitability, towards intact neuronal network function (cell-to-network plasticity) and memory performance. Here we argue that deficits of PVI cell-to-network plasticity may underlie memory deficits in AD and SCZ, and we explore two therapeutic avenues: the targeting of PVI-specific neuromodulation, including by neuropeptides, and the recruitment of network synchrony in the gamma frequency range (40 Hz) by external stimulation. We finally propose that these approaches be merged under consideration of recent insights into human brain physiology.
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Affiliation(s)
- Michael D Hadler
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany; Institute of Neurophysiology, Charité-Universitätsmedizin Berlin, Berlin, Germany.
| | - Henrik Alle
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany; Institute of Neurophysiology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Jörg R P Geiger
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany; Institute of Neurophysiology, Charité-Universitätsmedizin Berlin, Berlin, Germany.
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Shevela EY, Loginova TA, Munkuev AS, Volskaya TE, Sergeeva SA, Rashchupkin IM, Kafanova MY, Degtyareva VG, Sosnovskaya AV, Ostanin AA, Chernykh ER. Intranasal Immunotherapy with M2 Macrophage Secretome Ameliorates Language Impairments and Autistic-like Behavior in Children. J Clin Med 2024; 13:3079. [PMID: 38892790 PMCID: PMC11173137 DOI: 10.3390/jcm13113079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/17/2024] [Accepted: 05/22/2024] [Indexed: 06/21/2024] Open
Abstract
Background/Objectives: The intranasal delivery of various neurotropic substances is considered a new attractive therapeutic approach for treating neuropathologies associated with neuroinflammation and altered regeneration. Specific language impairment (SLI) that arises as a result of damage to the cortical speech zones during the developmental period is one of the most common problems in preschool children, and it is characterized by persistent difficulties in the acquisition, understanding, and use of language. This study's objective is to evaluate the efficacy and safety of intranasal immunotherapy using the M2 macrophage secretome as a rich source of immunoregulatory and neurotrophic factors for the treatment of severe language impairment in children. Methods: Seventy-one children (54 boys and 17 girls, aged 3 to 13 years) were recruited to participate in a clinical trial (NCT04689282) in two medical centers. The children were examined before, 1 month after, and 6 months after the start of therapy. In the vast majority of children (55/71), language impairment was associated with autistic-like symptoms and attention deficit hyperactivity disorder (ADHD). Results: Daily intranasal inhalations of M2 macrophage-conditioned medium (for 30 days) were well tolerated and led to a decrease in the severity of language impairments, autistic-like behavior, and ADHD symptoms. The clinical effect appeared within a month after the first procedure and persisted or intensified during a 6-month follow-up. Two-thirds of the children showed a clear clinical improvement, while the rest had less pronounced improvement. Conclusions: Thus, the use of the M2 macrophage secretome and its intranasal delivery is safe, well tolerated, and clinically effective in children with severe language impairments.
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Affiliation(s)
- Ekaterina Ya. Shevela
- Laboratory of Cellular Immunotherapy, Research Institute of Fundamental and Clinical Immunology, 630099 Novosibirsk, Russia; (I.M.R.); (A.A.O.); (E.R.C.)
| | - Tatiana A. Loginova
- Medical Center “Almadeya”, 194223 Saint-Petersburgh, Russia; (T.A.L.); (A.S.M.); (T.E.V.); (S.A.S.)
| | - Alexandr S. Munkuev
- Medical Center “Almadeya”, 194223 Saint-Petersburgh, Russia; (T.A.L.); (A.S.M.); (T.E.V.); (S.A.S.)
| | - Tatiana E. Volskaya
- Medical Center “Almadeya”, 194223 Saint-Petersburgh, Russia; (T.A.L.); (A.S.M.); (T.E.V.); (S.A.S.)
| | - Svetlana A. Sergeeva
- Medical Center “Almadeya”, 194223 Saint-Petersburgh, Russia; (T.A.L.); (A.S.M.); (T.E.V.); (S.A.S.)
| | - Ivan M. Rashchupkin
- Laboratory of Cellular Immunotherapy, Research Institute of Fundamental and Clinical Immunology, 630099 Novosibirsk, Russia; (I.M.R.); (A.A.O.); (E.R.C.)
| | - Marina Yu. Kafanova
- Department of Pediatrics, Medical Faculty, Federal State Budgetary Educational Institution of Higher Education “Novosibirsk State Medical University” of the Ministry of Health of Russia, 630091 Novosibirsk, Russia;
| | | | | | - Alexandr A. Ostanin
- Laboratory of Cellular Immunotherapy, Research Institute of Fundamental and Clinical Immunology, 630099 Novosibirsk, Russia; (I.M.R.); (A.A.O.); (E.R.C.)
| | - Elena R. Chernykh
- Laboratory of Cellular Immunotherapy, Research Institute of Fundamental and Clinical Immunology, 630099 Novosibirsk, Russia; (I.M.R.); (A.A.O.); (E.R.C.)
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Dale II J, Harberson MT, Hill JW. From Parental Behavior to Sexual Function: Recent Advances in Oxytocin Research. CURRENT SEXUAL HEALTH REPORTS 2024; 16:119-130. [PMID: 39224135 PMCID: PMC11365839 DOI: 10.1007/s11930-024-00386-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/02/2024] [Indexed: 09/04/2024]
Abstract
Purpose of Review Oxytocin plays many diverse roles in physiological and behavioral processes, including social activity, parental nurturing, stress responses, and sexual function. In this narrative review, we provide an update on the most noteworthy recent findings in this fascinating field. Recent Findings The development of techniques such as serial two-photon tomography and fiber photometry have provided a window into oxytocin neuroanatomy and real-time neuronal activity during social interactions. fMRI and complementary mapping techniques offer new insights into oxytocin's influence on brain activity and connectivity. Indeed, oxytocin has recently been found to influence the acquisition of maternal care behaviors and to mediate the influence of social touch on brain development and social interaction. Additionally, oxytocin plays a crucial role in male sexual function, affecting erectile activity and ejaculation, while its role in females remains controversial. Recent studies also highlight oxytocin's interaction with other neuropeptides, such as melanin-concentrating hormone, serotonin, and arginine vasopressin, influencing social and affective behaviors. Finally, an update is provided on the status of clinical trials involving oxytocin as a therapeutic intervention. Summary The exploration of oxytocin's complexities and its interplay with other neuropeptides holds promise for targeted treatment in various health and disease contexts. Overall, these findings contribute to the discovery of new and specific pathways to allow therapeutic targeting of oxytocin to treat disorders.
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Affiliation(s)
- Joseph Dale II
- Department of Physiology and Pharmacology, University of Toledo College of Medicine, Toledo, OH USA
- Department of Biology, University of Toledo College of Medicine, Toledo, OH USA
| | - Mitchell T. Harberson
- Center for Diabetes and Endocrine Research, University of Toledo College of Medicine, Toledo, OH USA
- Department of Physiology and Pharmacology, University of Toledo College of Medicine, Toledo, OH USA
| | - Jennifer W. Hill
- Center for Diabetes and Endocrine Research, University of Toledo College of Medicine, Toledo, OH USA
- Department of Physiology and Pharmacology, University of Toledo College of Medicine, Toledo, OH USA
- Department of Obstetrics and Gynecology, University of Toledo College of Medicine, Toledo, OH USA
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Alaerts K, Moerkerke M, Daniels N, Zhang Q, Grazia R, Steyaert J, Prinsen J, Boets B. Chronic oxytocin improves neural decoupling at rest in children with autism: an exploratory RCT. J Child Psychol Psychiatry 2024. [PMID: 38400592 DOI: 10.1111/jcpp.13966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/17/2024] [Indexed: 02/25/2024]
Abstract
BACKGROUND Shifts in peak frequencies of oscillatory neural rhythms are put forward as a principal mechanism by which cross-frequency coupling/decoupling is implemented in the brain. During active neural processing, functional integration is facilitated through transitory formations of "harmonic" cross-frequency couplings, whereas "nonharmonic" decoupling among neural oscillatory rhythms is postulated to characterize the resting, default state of the brain, minimizing the occurrence of spurious, noisy, background couplings. METHODS Within this exploratory, randomized, placebo-controlled trial, we assessed whether the transient occurrence of nonharmonic and harmonic relationships between peak-frequencies in the alpha (8-14 Hz) and theta (4-8 Hz) bands is impacted by intranasal administration of oxytocin, a neuromodulator implicated in improving homeostasis and reducing stress/anxiety. To do so, resting-state electroencephalography was acquired before and after 4 weeks of oxytocin administration (12 IU twice-daily) in children with autism spectrum disorder (8-12 years, n = 33 oxytocin; n = 34 placebo). At the baseline, neural assessments of children with autism were compared with those of a matched cohort of children without autism (n = 40). RESULTS Compared to nonautistic peers, autistic children displayed a lower incidence of nonharmonic alpha-theta cross-frequency decoupling, indicating a higher incidence of spurious "noisy" coupling in their resting brain (p = .001). Dimensionally, increased neural coupling was associated with more social difficulties (p = .002) and lower activity of the parasympathetic "rest & digest" branch of the autonomic nervous system (p = .018), indexed with high-frequency heart-rate-variability. Notably, after oxytocin administration, the transient formation of nonharmonic cross-frequency configurations was increased in the cohort of autistic children (p < .001), indicating a beneficial effect of oxytocin on reducing spurious cross-frequency-interactions. Furthermore, parallel epigenetics changes of the oxytocin receptor gene indicated that the neural effects were likely mediated by changes in endogenous oxytocinergic signaling (p = .006). CONCLUSIONS Chronic oxytocin induced important homeostatic changes in the resting-state intrinsic neural frequency architecture, reflective of reduced noisy oscillatory couplings and improved signal-to-noise properties.
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Affiliation(s)
- Kaat Alaerts
- Research Group for Neurorehabilitation, Neuromodulation Laboratory, KU Leuven, Leuven, Belgium
- Leuven Autism Research (LAuRes), KU Leuven, Leuven, Belgium
| | - Matthijs Moerkerke
- Leuven Autism Research (LAuRes), KU Leuven, Leuven, Belgium
- Department of Neurosciences, Center for Developmental Psychiatry, KU Leuven, Leuven, Belgium
| | - Nicky Daniels
- Research Group for Neurorehabilitation, Neuromodulation Laboratory, KU Leuven, Leuven, Belgium
- Leuven Autism Research (LAuRes), KU Leuven, Leuven, Belgium
| | - Qianqian Zhang
- Research Group for Neurorehabilitation, Neuromodulation Laboratory, KU Leuven, Leuven, Belgium
- Leuven Autism Research (LAuRes), KU Leuven, Leuven, Belgium
| | - Ricchiuti Grazia
- Research Group for Neurorehabilitation, Neuromodulation Laboratory, KU Leuven, Leuven, Belgium
- Leuven Autism Research (LAuRes), KU Leuven, Leuven, Belgium
| | - Jean Steyaert
- Leuven Autism Research (LAuRes), KU Leuven, Leuven, Belgium
| | - Jellina Prinsen
- Research Group for Neurorehabilitation, Neuromodulation Laboratory, KU Leuven, Leuven, Belgium
- Leuven Autism Research (LAuRes), KU Leuven, Leuven, Belgium
| | - Bart Boets
- Leuven Autism Research (LAuRes), KU Leuven, Leuven, Belgium
- Department of Neurosciences, Center for Developmental Psychiatry, KU Leuven, Leuven, Belgium
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