Cited by 41Neuroendocrine regulation and behaviorGenetics and Neurodevelopmental DisordersAutism Spectrum Disorder Research

Correction of vasopressin deficit in the lateral septum ameliorates social deficits of mouse autism model

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Borie, Amélie M., Dromard, Yann, Guillon, Gilles, Olma, Aleksandra, Manning, Maurice, Muscatelli, Françoise, Desarménien, Michel G., Jeanneteau, Freddy·2021·Journal of Clinical Investigation

Abstract

Intellectual and social disabilities are common comorbidities in adolescents and adults with MAGE family member L2 (MAGEL2) gene deficiency characterizing the Prader-Willi and Schaaf-Yang neurodevelopmental syndromes. The cellular and molecular mechanisms underlying the risk for autism in these syndromes are not understood. We asked whether vasopressin functions are altered by MAGEL2 deficiency and whether a treatment with vasopressin could alleviate the disabilities of social behavior. We used Magel2-knockout mice (adult males) combined with optogenetic or pharmacological tools to characterize disease modifications in the vasopressinergic brain system and monitor its impact on neurophysiological and behavioral functions. We found that the activation of vasopressin neurons and projections in the lateral septum were inappropriate for performing a social habituation/discrimination task. Mechanistically, the lack of vasopressin impeded the deactivation of somatostatin neurons in the lateral septum, which predicted social discrimination deficits. Correction of vasopressin septal content by administration or optogenetic stimulation of projecting axons suppressed the activity of somatostatin neurons and ameliorated social behavior. This preclinical study identified vasopressin in the lateral septum as a key factor in the pathophysiology of Magel2-related neurodevelopmental syndromes.

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  • Suppressed activity of Sst-expressing neurons in the dorsal LS is associated with improved social discrimination behavior in mice.

    “while suppressed activity of Sst-expressing neurons in the dorsal LS is associated with improved social discrimination behavior (Borie et al., 2021) in mice.”
  • Bed nucleus of the stria terminalis vasopressin cell ablation impairs social recognition in males, likely through its projection to the lateral septum, and restoration of BNST-LS vasopressin signaling in Magel2-KO mice ameliorated social discrimination deficits.

    “For example, BNST AVP cell ablation impairs social recognition in males, likely through its projection to the LS (94, 108, 109), and restoration of BNST-LS AVP signaling in Magel2-KO mice ameliorated social discrimination deficits (110).”

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  1. J Clin Invest. 2021;131(2):e144450 https://doi.org/10.1172/JCI144450 NaCl, 1.2 KCl, 26 NaHCO 3 , 15 glucose, 1.2 KH 2 PO 4 , 1 CaCl 2 , 2 MgCl 2 , 195 sucrose; osmolality adjusted to 300 mOsmol/L; pH = 7.4, 95% O 2 and 5% CO 2 ). Slices were allowed to recover for 1 hour at 37°C in arti- ficial cerebrospinal fluid (in mM: 110 NaCl, 3.6 KCl, 26 NaHCO 3 , 10 Slice electrophysiology. Animals (4-8-week-old males) were anes- thetized using isoflurane and quickly decapitated. Coronal slices (300 μm) containing the LS were prepared using a vibratome (Campden Instruments) and collected in an ice-cold slicing solution (in mM: 10

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Authors
Borie, A. M., Dromard, Y., Guillon, G., Olma, A., Manning, M., Muscatelli, F., Desarménien, M. G., & Jeanneteau, F.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • University of Toledo (US)
  • Inserm (FR)
Venue
Journal of Clinical Investigation
Published
2021-01-19
Volume
131
Issue
2
Pages
e144450
ISSN
  • 0021-9738 (ISSN-L)
  • 1558-8238
OpenAlex
W3107618247
Cited by
41
References
51
Citations by year
2026: 4 · 2025: 5 · 2024: 9 · 2023: 11 · 2022: 7 · 2021: 5
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • Journal of Clinical Investigation (publishedVersion, other-oa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
Funders
  • Agence Nationale de la Recherche (PRADOX)
  • University of Montpellier (PhD fellowship)
  • Fondation pour la recherche medicale (Fin de these,Equipe FRM)
  • Fondation Jérôme Lejeune (Research grant)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
Keywords
vasopressin, lateral septum, Prader-Willi syndrome, Schaaf-Yang syndrome, autism spectrum disorder, social behavior deficits, somatostatin neurons, optogenetic stimulation, social discrimination, neurodevelopmental syndrome
MeSH terms
Animals, Antigens, Neoplasm, Autistic Disorder, Behavior, Animal, Disease Models, Animal, Humans, Male, Neurons, Proteins, Septal Nuclei, Social Behavior, Vasopressins, Mice, Knockout, Intracellular Signaling Peptides and Proteins, Mice, Intrinsically Disordered Proteins

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