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Growth differentiation factor 5 is a key physiological regulator of dendrite growth during development

Osorio, Catarina Raquel, Chacon Fernandez, Pedro, Kisiswa, Lilian, White, Matthew, Wyatt, Sean Lee, Rodriguez-Tebar, A. and Davies, Alun M. 2013. Growth differentiation factor 5 is a key physiological regulator of dendrite growth during development. Development 140 (23) , pp. 4751-4762. 10.1242/dev.101378

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Abstract

Dendrite size and morphology are key determinants of the functional properties of neurons. Here, we show that growth differentiation factor 5 (GDF5), a member of the bone morphogenetic protein (BMP) subclass of the transforming growth factor β superfamily with a well-characterised role in limb morphogenesis, is a key regulator of the growth and elaboration of pyramidal cell dendrites in the developing hippocampus. Pyramidal cells co-express GDF5 and its preferred receptors, BMP receptor 1B and BMP receptor 2, during development. In culture, GDF5 substantially increased dendrite, but not axon, elongation from these neurons by a mechanism that depends on activation of SMADs 1/5/8 and upregulation of the transcription factor HES5. In vivo, the apical and basal dendritic arbours of pyramidal cells throughout the hippocampus were markedly stunted in both homozygous and heterozygous Gdf5 null mutants, indicating that dendrite size and complexity are exquisitely sensitive to the level of endogenous GDF5 synthesis.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Subjects: Q Science > QH Natural history > QH301 Biology
Uncontrolled Keywords: Growth differentiation factor 5; Bone morphogenetic protein; Dendrite; Hippocampus; Mouse
Additional Information: Online publication date: 30 October 2013.
Publisher: The Company of Biologists
ISSN: 0950-1991
Funders: Wellcome Trust
Date of First Compliant Deposit: 30 March 2016
Last Modified: 15 Mar 2019 20:59
URI: http://orca.cf.ac.uk/id/eprint/53436

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