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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
4
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pubmed:dateCreated |
2003-8-27
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pubmed:abstractText |
The coordination between cell proliferation and cell death is essential to maintain homeostasis within multicellular organisms. The mechanisms underlying this regulation are yet to be completely understood. Here, we report the identification of hippo (hpo) as a gene that regulates both cell proliferation and cell death in Drosophila. hpo encodes a Ste-20 family protein kinase that binds to and phosphorylates the tumor suppressor protein Salvador (Sav), which is known to interact with the Warts (Wts) protein kinase. Loss of hpo results in elevated transcription of the cell cycle regulator cyclin E and the cell-death inhibitor diap1, leading to increased proliferation and reduced apoptosis. Further, we show that hpo, sav, and wts define a pathway that regulates diap1 at the transcriptional level. A human homolog of hpo completely rescues the overgrowth phenotype of Drosophila hpo mutants, suggesting that hpo might play a conserved role for growth control in mammals.
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pubmed:grant |
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Cell Cycle Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Drosophila Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Intracellular Signaling Peptides...,
http://linkedlifedata.com/resource/pubmed/chemical/LATS1 protein, human,
http://linkedlifedata.com/resource/pubmed/chemical/Protein Kinases,
http://linkedlifedata.com/resource/pubmed/chemical/Protein-Serine-Threonine Kinases,
http://linkedlifedata.com/resource/pubmed/chemical/STE20 protein, S cerevisiae,
http://linkedlifedata.com/resource/pubmed/chemical/Saccharomyces cerevisiae Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/hpo protein, Drosophila,
http://linkedlifedata.com/resource/pubmed/chemical/salvador protein, Drosophila,
http://linkedlifedata.com/resource/pubmed/chemical/warts protein, Drosophila
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pubmed:status |
MEDLINE
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pubmed:month |
Aug
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pubmed:issn |
0092-8674
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:day |
22
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pubmed:volume |
114
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
445-56
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pubmed:dateRevised |
2009-11-19
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pubmed:meshHeading |
pubmed-meshheading:12941273-Amino Acid Sequence,
pubmed-meshheading:12941273-Animals,
pubmed-meshheading:12941273-Apoptosis,
pubmed-meshheading:12941273-Cell Cycle Proteins,
pubmed-meshheading:12941273-Cell Division,
pubmed-meshheading:12941273-Drosophila Proteins,
pubmed-meshheading:12941273-Drosophila melanogaster,
pubmed-meshheading:12941273-Genes, Insect,
pubmed-meshheading:12941273-Genes, Tumor Suppressor,
pubmed-meshheading:12941273-Humans,
pubmed-meshheading:12941273-Intracellular Signaling Peptides and Proteins,
pubmed-meshheading:12941273-Molecular Sequence Data,
pubmed-meshheading:12941273-Phenotype,
pubmed-meshheading:12941273-Phosphorylation,
pubmed-meshheading:12941273-Protein Kinases,
pubmed-meshheading:12941273-Protein-Serine-Threonine Kinases,
pubmed-meshheading:12941273-Saccharomyces cerevisiae Proteins,
pubmed-meshheading:12941273-Two-Hybrid System Techniques,
pubmed-meshheading:12941273-Wing
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pubmed:year |
2003
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pubmed:articleTitle |
hippo encodes a Ste-20 family protein kinase that restricts cell proliferation and promotes apoptosis in conjunction with salvador and warts.
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pubmed:affiliation |
Department of Physiology, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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