Cited by 58Neuroendocrine regulation and behaviorStress Responses and CortisolNeuropeptides and Animal Physiology

Locomotor activity, ultrasonic vocalization and oxytocin levels in infant CD38 knockout mice

Liu, Hong-Xiang, Lopatina, Olga, Higashida, Chiharu, Tsuji, Takahiro, Kato, Ichiro, Takasawa, Shin, Okamoto, Hiroshi, Yokoyama, Shigeru +1 more·2008·Neuroscience Letters

Abstract

Oxytocin (OT), a neurohormone involved in reproduction, plays a critical role in social behavior in a wide range of mammalian species from rodents to humans. The role of CD38 in regulating OT secretion for social behavior has been demonstrated in adult mice, but has not been examined in pups or during development. Separation from the dam induces stress in 7-day-old mouse pups. During such isolation, locomotor activity was higher in CD38 knockout (CD38(-/-)) pups than in wild-type (CD38(+/+)) or heterozygous (CD38(+/-)) controls. The number of ultrasonic vocalizations was lower in CD38(-/-) pups than in CD38(+/+) pups. However, the difference between the two genotypes was less severe than that in OT knockout or OT receptor knockout mice. To explain this, we measured plasma OT levels. The level was not lower in CD38(-/-) pups during the period 1-3 weeks after birth, but was significantly reduced after weaning (>3 weeks). ADP-ribosyl cyclase activities in the hypothalamus and pituitary were markedly lower from 1 week after birth in CD38(-/-) mice and were consistently lower thereafter to the adult stage (2 months old). These results showed that the reduced severity of behavioral abnormalities in CD38(-/-) pups was due to partial compensation by the high level of plasma OT.

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Crossref · 10.1016/j.neulet.2008.09.084

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  • CD38 -/- pups emit fewer ultrasonic vocalization calls (average reduction of 38%) than wild-type controls.

    “The USV calls per 2-min session were less frequent (an average reduction of 38%) in CD38 -/-pups than in wild-type controls (Liu et al., 2008).”

    From CD38 and its role in oxytocin secretion and social behavior (2012) · cites this paper as Liu et al., 2008

  • CD38 -/- male pups on postnatal day 7 have significantly higher locomotor activity than wild-type during the first 3 min after separation from the dam.

    “CD38 -/-male pups on postnatal day 7 had significantly higher levels of locomotor activity, compared to wild-type individuals, during the first 3 min after separation from the dam when they were examined individually in a grid-crossing test performed in an observation chamber (Liu et al., 2008).”

    From CD38 and its role in oxytocin secretion and social behavior (2012) · cites this paper as Liu et al., 2008

  • CD38 may have an important role in OT release in the human hypothalamus, as in mice.

    “These results suggested that CD38 may have an important role in OT release in the human hypothalamus, as in the mice (Jin et al., 2007;Liu et al., 2008).”
  • CD38 regulates OT secretion in the mouse hypothalamus and posterior pituitary, which is critical for mouse social behavior.

    “They showed that CD38 regulates OT secretion in the mouse hypothalamus and posterior pituitary, which is critical for mouse social behavior (Jin et al., 2007;Liu et al., 2008).”

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Authors
Liu, H.-X., Lopatina, O., Higashida, C., Tsuji, T., Kato, I., Takasawa, S., Okamoto, H., Yokoyama, S., & Higashida, H.
Affiliations
  • Kanazawa University (JP)
  • University of Toyama (JP)
  • Nara Medical University (JP)
  • Tohoku University (JP)
Corresponding author
Higashida, Haruhiro
Venue
Neuroscience Letters
Publisher
Elsevier BV
Published
2008-12
Volume
448
Issue
1
Pages
67-70
ISSN
0304-3940 (ISSN-L)
OpenAlex
W1984220337
Cited by
58
References
30
Citations by year
2026: 1 · 2023: 2 · 2022: 3 · 2021: 6 · 2020: 4 · 2019: 3 · 2018: 3 · 2017: 7 · 2016: 1 · 2015: 4 · 2014: 4 · 2013: 3 · 2012: 5
FWCI
5.33
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience Letters (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
CD38, oxytocin, CD38 knockout mice, neonatal mice, locomotor activity, ultrasonic vocalizations, social behavior, maternal separation, ADP-ribosyl cyclase, hypothalamus, pituitary gland, plasma oxytocin, weaning, brain development
MeSH terms
Age Factors, Animals, Animals, Newborn, Female, Hypothalamus, Male, Motor Activity, Oxytocin, Pituitary Gland, Posterior, Social Isolation, Vocalization, Animal, Mice, Knockout, ADP-ribosyl Cyclase, Mice, ADP-ribosyl Cyclase 1

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