Fat4-Dchs1 signalling controls cell proliferation in developing vertebrae

Anna Kuta, Yaopan Mao, Tina Martin, Catia Ferreira de Sousa, Danielle Whiting, Sana Zakaria, Ivan Crespo-Enriquez, Philippa Evans, Bartosz Balczerski, Baljinder Mankoo, Kenneth D. Irvine, Philippa H. Francis-West

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The protocadherins Fat4 and Dchs1 act as a receptor-ligand pair to regulate many developmental processes in mice and humans, including development of the vertebrae. Based on conservation of function between Drosophila and mammals, Fat4-Dchs1 signalling has been proposed to regulate planar cell polarity (PCP) and activity of the Hippo effectors Yap and Taz, which regulate cell proliferation, survival and differentiation. There is strong evidence for Fat regulation of PCP in mammals but the link with the Hippo pathway is unclear. In Fat4-/- and Dchs1-/- mice, many vertebrae are split along the midline and fused across the anterior-posterior axis, suggesting that these defects might arise due to altered cell polarity and/or changes in cell proliferation/differentiation. We show that the somite and sclerotome are specified appropriately, the transcriptional network that drives early chondrogenesis is intact, and that cell polarity within the sclerotome is unperturbed. We find that the key defect in Fat4 and Dchs1 mutant mice is decreased proliferation in the early sclerotome. This results in fewer chondrogenic cells within the developing vertebral body, which fail to condense appropriately along the midline. Analysis of Fat4;Yap and Fat4;Taz double mutants, and expression of their transcriptional target Ctgf, indicates that Fat4- Dchs1 regulates vertebral development independently of Yap and Taz. Thus, we have identified a new pathway crucial for the development of the vertebrae and our data indicate that novel mechanisms of Fat4-Dchs1 signalling have evolved to control cell proliferation within the developing vertebrae.

Original languageEnglish (US)
Pages (from-to)2367-2375
Number of pages9
JournalDevelopment (Cambridge)
Volume143
Issue number13
DOIs
StatePublished - Jul 1 2016

Fingerprint

Cell Polarity
Spine
Cell Proliferation
Cell Differentiation
Mammals
Chondrogenesis
Somites
Gene Regulatory Networks
Human Development
Drosophila
Cell Survival
Fats
Ligands

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Developmental Biology

Keywords

  • Chondrocyte
  • Dchs1
  • Fat4
  • Mouse
  • Somite
  • Taz (Wwtr1)
  • Vertebrae
  • Yap1

Cite this

Kuta, A., Mao, Y., Martin, T., de Sousa, C. F., Whiting, D., Zakaria, S., ... Francis-West, P. H. (2016). Fat4-Dchs1 signalling controls cell proliferation in developing vertebrae. Development (Cambridge), 143(13), 2367-2375. https://doi.org/10.1242/dev.131037
Kuta, Anna ; Mao, Yaopan ; Martin, Tina ; de Sousa, Catia Ferreira ; Whiting, Danielle ; Zakaria, Sana ; Crespo-Enriquez, Ivan ; Evans, Philippa ; Balczerski, Bartosz ; Mankoo, Baljinder ; Irvine, Kenneth D. ; Francis-West, Philippa H. / Fat4-Dchs1 signalling controls cell proliferation in developing vertebrae. In: Development (Cambridge). 2016 ; Vol. 143, No. 13. pp. 2367-2375.
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Kuta, A, Mao, Y, Martin, T, de Sousa, CF, Whiting, D, Zakaria, S, Crespo-Enriquez, I, Evans, P, Balczerski, B, Mankoo, B, Irvine, KD & Francis-West, PH 2016, 'Fat4-Dchs1 signalling controls cell proliferation in developing vertebrae', Development (Cambridge), vol. 143, no. 13, pp. 2367-2375. https://doi.org/10.1242/dev.131037

Fat4-Dchs1 signalling controls cell proliferation in developing vertebrae. / Kuta, Anna; Mao, Yaopan; Martin, Tina; de Sousa, Catia Ferreira; Whiting, Danielle; Zakaria, Sana; Crespo-Enriquez, Ivan; Evans, Philippa; Balczerski, Bartosz; Mankoo, Baljinder; Irvine, Kenneth D.; Francis-West, Philippa H.

In: Development (Cambridge), Vol. 143, No. 13, 01.07.2016, p. 2367-2375.

Research output: Contribution to journalArticle

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AU - Mao, Yaopan

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AU - Francis-West, Philippa H.

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Kuta A, Mao Y, Martin T, de Sousa CF, Whiting D, Zakaria S et al. Fat4-Dchs1 signalling controls cell proliferation in developing vertebrae. Development (Cambridge). 2016 Jul 1;143(13):2367-2375. https://doi.org/10.1242/dev.131037