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. 2013 Nov 18;4(12):904–910. doi: 10.1007/s13238-013-3084-z

Mutual regulation between Hippo signaling and actin cytoskeleton

Yurika Matsui 1, Zhi-Chun Lai 1,2,3,✉
PMCID: PMC4875399  PMID: 24248471

Abstract

Hippo signaling plays a crucial role in growth control and tumor suppression by regulating cell proliferation, apoptosis, and differentiation. How Hippo signaling is regulated has been under extensive investigation. Over the past three years, an increasing amount of data have supported a model of actin cytoskeleton blocking Hippo signaling activity to allow nuclear accumulation of a downstream effector, Yki/Yap/Taz. On the other hand, Hippo signaling negatively regulates actin cytoskeleton organization. This review provides insight on the mutual regulatory mechanisms between Hippo signaling and actin cytoskeleton for a tight control of cell behaviors during animal development, and points out outstanding questions for further investigations.

Keywords: Hippo signaling, actin cytoskeleton, negative feedback, growth control, development

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