Zebrafish rhabdomyosarcoma reflects the developmental stage of oncogene expression during myogenesis

Narie Y. Storer, Richard M. White, Audrey M. Uong, Emily Price, G. Petur Nielsen, David M. Langenau, Leonard I. Zon

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Rhabdomyosarcoma is a pediatric malignancy thought to arise from the uncontrolled proliferation of myogenic cells. Here, we have generated models of rhabdomyosarcoma in the zebrafish by inducing oncogenic KRASG12D expression at different stages during muscle development. Several zebrafish promoters were used, including the cdh15 and rag2 promoters, which drive gene expression in early muscle progenitors, and the mylz2 promoter, which is expressed in differentiating myoblasts. The tumors that developed differed in their ability to recapitulate normal myogenesis. cdh15:KRASG12D and rag2:KRASG12D fish developed tumors that displayed an inability to complete muscle differentiation as determined by histological appearance and gene expression analyses. By contrast, mylz2:KRASG12D tumors more closely resembled mature skeletal muscle and were most similar to well-differentiated human rhabdomyosarcoma in terms of gene expression. mylz2:KRASG12D fish showed significantly improved survival compared with cdh15:KRASG12D and rag2:KRASG12D fish. Tumor-propagating activity was enriched in myf5-expressing cell populations within all of the tumor types. Our results demonstrate that oncogenic KRASG12D expression at different stages during muscle development has profound effects on the ability of tumor cells to recapitulate normal myogenesis, altering the tumorigenic capability of these cells.

Original languageEnglish (US)
Pages (from-to)3040-3050
Number of pages11
JournalDevelopment (Cambridge)
Volume140
Issue number14
DOIs
StatePublished - Jul 15 2013
Externally publishedYes

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Rhabdomyosarcoma
Muscle Development
Zebrafish
Oncogenes
Neoplasms
Fishes
Gene Expression
Muscles
Myoblasts
Skeletal Muscle
Cell Proliferation
Pediatrics
Survival
Population

Keywords

  • Muscle
  • Rhabdomyosarcoma
  • Zebrafish

ASJC Scopus subject areas

  • Developmental Biology
  • Molecular Biology

Cite this

Storer, N. Y., White, R. M., Uong, A. M., Price, E., Petur Nielsen, G., Langenau, D. M., & Zon, L. I. (2013). Zebrafish rhabdomyosarcoma reflects the developmental stage of oncogene expression during myogenesis. Development (Cambridge), 140(14), 3040-3050. https://doi.org/10.1242/dev.087858

Zebrafish rhabdomyosarcoma reflects the developmental stage of oncogene expression during myogenesis. / Storer, Narie Y.; White, Richard M.; Uong, Audrey M.; Price, Emily; Petur Nielsen, G.; Langenau, David M.; Zon, Leonard I.

In: Development (Cambridge), Vol. 140, No. 14, 15.07.2013, p. 3040-3050.

Research output: Contribution to journalArticle

Storer, NY, White, RM, Uong, AM, Price, E, Petur Nielsen, G, Langenau, DM & Zon, LI 2013, 'Zebrafish rhabdomyosarcoma reflects the developmental stage of oncogene expression during myogenesis', Development (Cambridge), vol. 140, no. 14, pp. 3040-3050. https://doi.org/10.1242/dev.087858
Storer, Narie Y. ; White, Richard M. ; Uong, Audrey M. ; Price, Emily ; Petur Nielsen, G. ; Langenau, David M. ; Zon, Leonard I. / Zebrafish rhabdomyosarcoma reflects the developmental stage of oncogene expression during myogenesis. In: Development (Cambridge). 2013 ; Vol. 140, No. 14. pp. 3040-3050.
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