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MECP2 regulates cortical plasticity underlying a learned behaviour in adult female mice

Author

Listed:
  • Keerthi Krishnan

    (Cold Spring Harbor Laboratory, 1 Bungtown Road, Cold Spring Harbor)

  • Billy Y. B. Lau

    (Cold Spring Harbor Laboratory, 1 Bungtown Road, Cold Spring Harbor)

  • Gabrielle Ewall

    (Cold Spring Harbor Laboratory, 1 Bungtown Road, Cold Spring Harbor)

  • Z. Josh Huang

    (Cold Spring Harbor Laboratory, 1 Bungtown Road, Cold Spring Harbor)

  • Stephen D. Shea

    (Cold Spring Harbor Laboratory, 1 Bungtown Road, Cold Spring Harbor)

Abstract

Neurodevelopmental disorders are marked by inappropriate synaptic connectivity early in life, but how disruption of experience-dependent plasticity contributes to cognitive and behavioural decline in adulthood is unclear. Here we show that pup gathering behaviour and associated auditory cortical plasticity are impaired in female Mecp2het mice, a model of Rett syndrome. In response to learned maternal experience, Mecp2het females exhibited transient changes to cortical inhibitory networks typically associated with limited plasticity. Averting these changes in Mecp2het through genetic or pharmacological manipulations targeting the GABAergic network restored gathering behaviour. We propose that pup gathering learning triggers a transient epoch of inhibitory plasticity in auditory cortex that is dysregulated in Mecp2het. In this window of heightened sensitivity to sensory and social cues, Mecp2 mutations suppress adult plasticity independently from their effects on early development.

Suggested Citation

  • Keerthi Krishnan & Billy Y. B. Lau & Gabrielle Ewall & Z. Josh Huang & Stephen D. Shea, 2017. "MECP2 regulates cortical plasticity underlying a learned behaviour in adult female mice," Nature Communications, Nature, vol. 8(1), pages 1-13, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14077
    DOI: 10.1038/ncomms14077
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    Cited by:

    1. Pan Xu & Yuanlei Yue & Juntao Su & Xiaoqian Sun & Hongfei Du & Zhichao Liu & Rahul Simha & Jianhui Zhou & Chen Zeng & Hui Lu, 2022. "Pattern decorrelation in the mouse medial prefrontal cortex enables social preference and requires MeCP2," Nature Communications, Nature, vol. 13(1), pages 1-14, December.

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