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Cited by 318

The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

The Hippo tumor suppressor pathway regulates intestinal stem cell regeneration

Open access
Karpowicz, Phillip, Perez, Jessica, Perrimon, Norbert·2010·Development

Abstract

Identification of the signaling pathways that control the proliferation of stem cells (SCs), and whether they act in a cell or non-cell autonomous manner, is key to our understanding of tissue homeostasis and cancer. In the adult Drosophila midgut, the Jun N-Terminal Kinase (JNK) pathway is activated in damaged enterocyte cells (ECs) following injury. This leads to the production of Upd cytokines from ECs, which in turn activate the Janus kinase (JAK)/Signal transducer and activator of transcription (STAT) pathway in Intestinal SCs (ISCs), stimulating their proliferation. In addition, the Hippo pathway has been recently implicated in the regulation of Upd production from the ECs. Here, we show that the Hippo pathway target, Yorkie (Yki), also plays a crucial and cell-autonomous role in ISCs. Activation of Yki in ISCs is sufficient to increase ISC proliferation, a process involving Yki target genes that promote division, survival and the Upd cytokines. We further show that prior to injury, Yki activity is constitutively repressed by the upstream Hippo pathway members Fat and Dachsous (Ds). These findings demonstrate a cell-autonomous role for the Hippo pathway in SCs, and have implications for understanding the role of this pathway in tumorigenesis and cancer stem cells.

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Crossref · 10.1242/dev.060483

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Metadata

Authors
Karpowicz, P., Perez, J., & Perrimon, N.
Venue
Development
Published
2010-12-15
Volume
137
Issue
24
Pages
4135-4145
ISSN
  • 0950-1991 (ISSN-L)
  • 1477-9129
OpenAlex
W2037598426
Cited by
318
References
41
FWCI
11.65
Type
journal article
Language
en
Open access
green

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