Protein kinase A activates the Hippo pathway to modulate cell proliferation and differentiation

Fa Xing Yu, Yifan Zhang, Hyun Woo Park, Jenna L. Jewell, Qian Chen, Yaoting Deng, Duojia Pan, Susan S. Taylor, Zhi Chun Lai, Kun Liang Guan

Research output: Contribution to journalArticle

140 Citations (Scopus)

Abstract

The Hippo tumor suppressor pathway plays an important role in tissue homeostasis that ensures development of functional organs at proper size. The YAP transcription coactivator is a major effector of the Hippo pathway and is phosphorylated and inactivated by the Hippo pathway kinases Lats1/2. It has recently been shown that YAP activity is regulated by G-protein-coupled receptor signaling. Here we demonstrate that cyclic adenosine monophosphate (cAMP), a second messenger downstream from Gas-coupled receptors, acts through protein kinase A (PKA) and Rho GTPases to stimulate Lats kinases and YAP phosphorylation. We also show that inactivation of YAP is crucial for PKA-induced adipogenesis. In addition, PKA activation in Drosophila inhibits the expression of Yorki (Yki, a YAP ortholog) target genes involved in cell proliferation and death. Taken together, our study demonstrates that Hippo-YAP is a key signaling branch of cAMP and PKA and reveals new insight into mechanisms of PKA in regulating a broad range of cellular functions.

Original languageEnglish (US)
Pages (from-to)1223-1232
Number of pages10
JournalGenes and Development
Volume27
Issue number11
DOIs
StatePublished - Feb 1 2013

Fingerprint

Cyclic AMP-Dependent Protein Kinases
Cell Differentiation
Cell Proliferation
Phosphotransferases
Adenosine Kinase
Adipogenesis
rho GTP-Binding Proteins
Second Messenger Systems
G-Protein-Coupled Receptors
Cyclic AMP
Drosophila
Homeostasis
Cell Death
Gases
Phosphorylation
Genes
Neoplasms

Keywords

  • Adipogenesis
  • Hippo
  • PKA
  • Proliferation
  • YAP

ASJC Scopus subject areas

  • Genetics
  • Developmental Biology

Cite this

Protein kinase A activates the Hippo pathway to modulate cell proliferation and differentiation. / Yu, Fa Xing; Zhang, Yifan; Park, Hyun Woo; Jewell, Jenna L.; Chen, Qian; Deng, Yaoting; Pan, Duojia; Taylor, Susan S.; Lai, Zhi Chun; Guan, Kun Liang.

In: Genes and Development, Vol. 27, No. 11, 01.02.2013, p. 1223-1232.

Research output: Contribution to journalArticle

Yu, FX, Zhang, Y, Park, HW, Jewell, JL, Chen, Q, Deng, Y, Pan, D, Taylor, SS, Lai, ZC & Guan, KL 2013, 'Protein kinase A activates the Hippo pathway to modulate cell proliferation and differentiation', Genes and Development, vol. 27, no. 11, pp. 1223-1232. https://doi.org/10.1101/gad.219402.113
Yu, Fa Xing ; Zhang, Yifan ; Park, Hyun Woo ; Jewell, Jenna L. ; Chen, Qian ; Deng, Yaoting ; Pan, Duojia ; Taylor, Susan S. ; Lai, Zhi Chun ; Guan, Kun Liang. / Protein kinase A activates the Hippo pathway to modulate cell proliferation and differentiation. In: Genes and Development. 2013 ; Vol. 27, No. 11. pp. 1223-1232.
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