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Activity-dependent regulation of inhibitory synapse development by Npas4

Author

Listed:
  • Yingxi Lin

    (F. M. Kirby Neurobiology Center, Harvard Medical School, 300 Longwood Avenue, Boston, Massachusetts 02115, USA)

  • Brenda L. Bloodgood

    (F. M. Kirby Neurobiology Center, Harvard Medical School, 300 Longwood Avenue, Boston, Massachusetts 02115, USA)

  • Jessica L. Hauser

    (F. M. Kirby Neurobiology Center, Harvard Medical School, 300 Longwood Avenue, Boston, Massachusetts 02115, USA
    Present addresses: Baylor College of Medicine, Medical Scientist Training Program, One Baylor Plaza Suite N201, MS:BCM215, Houston, Texas 77030-7498, USA (J.L.H.); University of Massachusetts Medical School, Lazare Medical Research Building, Room 760C, 364 Plantation Street, Worcester, Massachusetts 06105, USA (A.C.K.).)

  • Ariya D. Lapan

    (Program in Biological and Biomedical Sciences, Harvard Medical School, 240 Longwood Avenue, Boston, Massachusetts 02115, USA)

  • Alex C. Koon

    (F. M. Kirby Neurobiology Center, Harvard Medical School, 300 Longwood Avenue, Boston, Massachusetts 02115, USA
    Present addresses: Baylor College of Medicine, Medical Scientist Training Program, One Baylor Plaza Suite N201, MS:BCM215, Houston, Texas 77030-7498, USA (J.L.H.); University of Massachusetts Medical School, Lazare Medical Research Building, Room 760C, 364 Plantation Street, Worcester, Massachusetts 06105, USA (A.C.K.).)

  • Tae-Kyung Kim

    (F. M. Kirby Neurobiology Center, Harvard Medical School, 300 Longwood Avenue, Boston, Massachusetts 02115, USA)

  • Linda S. Hu

    (F. M. Kirby Neurobiology Center, Harvard Medical School, 300 Longwood Avenue, Boston, Massachusetts 02115, USA)

  • Athar N. Malik

    (F. M. Kirby Neurobiology Center, Harvard Medical School, 300 Longwood Avenue, Boston, Massachusetts 02115, USA
    Program in Neuroscience, Harvard Medical School, 300 Longwood Avenue, Boston, Massachusetts 02115, USA)

  • Michael E. Greenberg

    (F. M. Kirby Neurobiology Center, Harvard Medical School, 300 Longwood Avenue, Boston, Massachusetts 02115, USA)

Abstract

Neuronal activity regulates the development and maturation of excitatory and inhibitory synapses in the mammalian brain. Several recent studies have identified signalling networks within neurons that control excitatory synapse development. However, less is known about the molecular mechanisms that regulate the activity-dependent development of GABA (γ-aminobutyric acid)-releasing inhibitory synapses. Here we report the identification of a transcription factor, Npas4, that plays a role in the development of inhibitory synapses by regulating the expression of activity-dependent genes, which in turn control the number of GABA-releasing synapses that form on excitatory neurons. These findings demonstrate that the activity-dependent gene program regulates inhibitory synapse development, and suggest a new role for this program in controlling the homeostatic balance between synaptic excitation and inhibition.

Suggested Citation

  • Yingxi Lin & Brenda L. Bloodgood & Jessica L. Hauser & Ariya D. Lapan & Alex C. Koon & Tae-Kyung Kim & Linda S. Hu & Athar N. Malik & Michael E. Greenberg, 2008. "Activity-dependent regulation of inhibitory synapse development by Npas4," Nature, Nature, vol. 455(7217), pages 1198-1204, October.
    • Handle: RePEc:nat:nature:v:455:y:2008:i:7217:d:10.1038_nature07319
    DOI: 10.1038/nature07319
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    Cited by:

    1. Brandon W. Hughes & Jessica L. Huebschman & Evgeny Tsvetkov & Benjamin M. Siemsen & Kirsten K. Snyder & Rose Marie Akiki & Daniel J. Wood & Rachel D. Penrod & Michael D. Scofield & Stefano Berto & Mak, 2024. "NPAS4 supports cocaine-conditioned cues in rodents by controlling the cell type-specific activation balance in the nucleus accumbens," Nature Communications, Nature, vol. 15(1), pages 1-18, December.

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