Mask is required for the activity of the hippo pathway effector Yki/YAP

Leticia Sansores-Garcia, Mardelle Atkins, Ivan M. Moya, Maria Shahmoradgoli, Chunyao Tao, Gordon Mills, Georg Halder

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

The Drosophila Yorkie (Yki) protein and its mammalian homolog Yes-associated protein (YAP) are potent growth promoters, and YAP overexpression is associated with multiple types of cancer [1, 2]. Yki and YAP are transcriptional coactivators and function as downstream effectors of the Hippo tumor suppressor pathway [1-4]. The regulation of Yki and YAP by the Hippo signaling pathway has been extensively investigated; however, how they regulate gene expression is poorly understood. To identify additional regulators of Yki activity, we performed a genome-wide RNAi screen in Drosophila S2 cells. In this screen, we identified the conserved protein Mask (Multiple ankyrin repeats single KH domain) as a novel promoter of Yki activity in vitro and validated this function in vivo in Drosophila. We found that Mask is required downstream of the Hippo pathway for Yki to induce target-gene expression and that Mask forms complexes with Yki. The human Mask homolog MASK1 complexes with YAP and is required for the full activity of YAP. Additionally, elevated MASK1 expression is associated with worsened outcomes for breast cancer patients. We conclude that Mask is a novel cofactor for Yki/YAP required for optimal Yki/YAP activity during development and oncogenesis.

Original languageEnglish (US)
Pages (from-to)229-235
Number of pages7
JournalCurrent Biology
Volume23
Issue number3
DOIs
StatePublished - Feb 4 2013
Externally publishedYes

Fingerprint

Ankyrin Repeat
ankyrins
Proteins
proteins
Drosophila
Gene expression
promoter regions
Gene Expression
gene expression
neoplasms
RNA Interference
Tumors
breast neoplasms
carcinogenesis
Neoplasms
Carcinogenesis
Genes
Genome
Breast Neoplasms

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Sansores-Garcia, L., Atkins, M., Moya, I. M., Shahmoradgoli, M., Tao, C., Mills, G., & Halder, G. (2013). Mask is required for the activity of the hippo pathway effector Yki/YAP. Current Biology, 23(3), 229-235. https://doi.org/10.1016/j.cub.2012.12.033

Mask is required for the activity of the hippo pathway effector Yki/YAP. / Sansores-Garcia, Leticia; Atkins, Mardelle; Moya, Ivan M.; Shahmoradgoli, Maria; Tao, Chunyao; Mills, Gordon; Halder, Georg.

In: Current Biology, Vol. 23, No. 3, 04.02.2013, p. 229-235.

Research output: Contribution to journalArticle

Sansores-Garcia, L, Atkins, M, Moya, IM, Shahmoradgoli, M, Tao, C, Mills, G & Halder, G 2013, 'Mask is required for the activity of the hippo pathway effector Yki/YAP', Current Biology, vol. 23, no. 3, pp. 229-235. https://doi.org/10.1016/j.cub.2012.12.033
Sansores-Garcia L, Atkins M, Moya IM, Shahmoradgoli M, Tao C, Mills G et al. Mask is required for the activity of the hippo pathway effector Yki/YAP. Current Biology. 2013 Feb 4;23(3):229-235. https://doi.org/10.1016/j.cub.2012.12.033
Sansores-Garcia, Leticia ; Atkins, Mardelle ; Moya, Ivan M. ; Shahmoradgoli, Maria ; Tao, Chunyao ; Mills, Gordon ; Halder, Georg. / Mask is required for the activity of the hippo pathway effector Yki/YAP. In: Current Biology. 2013 ; Vol. 23, No. 3. pp. 229-235.
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