Hippo signaling: A hub of growth control, tumor suppression and pluripotency maintenance

Mengxin Yin; Lei Zhang

doi:10.1016/j.jgg.2011.09.009

Volume 38 Issue 10

Oct. 2011

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Hippo signaling: A hub of growth control, tumor suppression and pluripotency maintenance

doi: 10.1016/j.jgg.2011.09.009

State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 320 Yueyang Road, Shanghai 200031, China

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Corresponding author: E-mail address: rayzhang@sibs.ac.cn (Lei Zhang)
Received Date: 2011-08-04
Accepted Date: 2011-09-12
Rev Recd Date: 2011-09-02

Available Online: 2011-09-22

Publish Date: 2011-10-20

Abstract

Abstract

The molecular mechanisms of organ size control and regulation remain one of the major unsolved mysteries of development biology. Almost a decade ago, the discovery of the Hippo signaling pathway in Drosophila shed some light on this puzzling issue. The Hippo signaling pathway is highly conserved in both invertebrates and vertebrates, and plays critical roles in animal development. It controls organ size and growth by inhibiting cell proliferation and by promoting apoptosis. Malfunction of the Hippo signaling pathway leads to cancer development and tumorigenesis. Although the core of the signaling pathway is well understood, the upstream inputs and downstream transcriptional regulation are still obscure to us. In this review, we summarize the current understanding of the mechanism and the function of the Hippo signaling pathway and compare its differences between flies and mammals. We underline the crosstalk between the Hippo signaling pathway and other signaling pathways, and the possible roles of the Hippo pathway in stem cell proliferation and self-renewal.
- Cell signaling,
- Crosstalk,
- Development,
- Hippo,
- Organ size control,
- Stem cell,
- Tumorigenesis

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