Shh and ROCK1 modulate the dynamic epithelial morphogenesis in circumvallate papilla development

Jae Young Kim, Min Jung Lee, Kyoung Won Cho, Jong Min Lee, Yeun Jung Kim, Ji Youn Kim, Hye In Jung, Je Yoel Cho, Sung Won Cho, Hansung Jung

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

In rodents, a circumvallate papilla (CVP) develops with dynamic changes in epithelial morphogenesis during early tongue development. Molecular and cellular studies of CVP development revealed that there would be two different mechanisms in the apex and the trench wall forming regions with specific expression patterns of Wnt11 and Shh. Molecular interactions were examined using in vitro organ culture with over-expression of Shh, important signalling molecules and various inhibitors revealed that there are two significant different mechanisms in CVP formation by Wnt11 and Shh expressions. Wnt, a well known key molecule to initiate taste papillae, would govern Rho activation and cytoskeleton formation in the apex epithelium of CVP. In contrast, Shh regulates the cell proliferation to differentiate taste buds and to invaginate the epithelium for development of von Ebner's gland (VEG). Based on these results, we suggest that these different molecular signalling cascades of Wnt11 and Shh would play crucial roles in specific morphogenesis and pattern formation of CVP during early mouse embryo development.

Original languageEnglish
Pages (from-to)273-280
Number of pages8
JournalDevelopmental Biology
Volume325
Issue number1
DOIs
Publication statusPublished - 2009 Jan 1

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Morphogenesis
von Ebner Glands
Epithelium
Taste Buds
Organ Culture Techniques
Cytoskeleton
Tongue
Embryonic Development
Rodentia
Cell Proliferation
In Vitro Techniques

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Developmental Biology
  • Cell Biology

Cite this

Kim, Jae Young ; Lee, Min Jung ; Cho, Kyoung Won ; Lee, Jong Min ; Kim, Yeun Jung ; Kim, Ji Youn ; Jung, Hye In ; Cho, Je Yoel ; Cho, Sung Won ; Jung, Hansung. / Shh and ROCK1 modulate the dynamic epithelial morphogenesis in circumvallate papilla development. In: Developmental Biology. 2009 ; Vol. 325, No. 1. pp. 273-280.
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Kim, JY, Lee, MJ, Cho, KW, Lee, JM, Kim, YJ, Kim, JY, Jung, HI, Cho, JY, Cho, SW & Jung, H 2009, 'Shh and ROCK1 modulate the dynamic epithelial morphogenesis in circumvallate papilla development', Developmental Biology, vol. 325, no. 1, pp. 273-280. https://doi.org/10.1016/j.ydbio.2008.10.034

Shh and ROCK1 modulate the dynamic epithelial morphogenesis in circumvallate papilla development. / Kim, Jae Young; Lee, Min Jung; Cho, Kyoung Won; Lee, Jong Min; Kim, Yeun Jung; Kim, Ji Youn; Jung, Hye In; Cho, Je Yoel; Cho, Sung Won; Jung, Hansung.

In: Developmental Biology, Vol. 325, No. 1, 01.01.2009, p. 273-280.

Research output: Contribution to journalArticle

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