pubmed-article:19249087 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C0021641 | lld:lifeskim |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C0031715 | lld:lifeskim |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C0037083 | lld:lifeskim |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C1704708 | lld:lifeskim |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C0021665 | lld:lifeskim |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C0255156 | lld:lifeskim |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C1710082 | lld:lifeskim |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C0162610 | lld:lifeskim |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C1709059 | lld:lifeskim |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C0220905 | lld:lifeskim |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C0851285 | lld:lifeskim |
pubmed-article:19249087 | lifeskim:mentions | umls-concept:C1711351 | lld:lifeskim |
pubmed-article:19249087 | pubmed:issue | 5 | lld:pubmed |
pubmed-article:19249087 | pubmed:dateCreated | 2009-3-9 | lld:pubmed |
pubmed-article:19249087 | pubmed:abstractText | The C. elegans insulin/IGF-1 signaling (IIS) cascade plays a central role in regulating life span, dauer, metabolism, and stress. The major regulatory control of IIS is through phosphorylation of its components by serine/threonine-specific protein kinases. An RNAi screen for serine/threonine protein phosphatases that counterbalance the effect of the kinases in the IIS pathway identified pptr-1, a B56 regulatory subunit of the PP2A holoenzyme. Modulation of pptr-1 affects IIS pathway-associated phenotypes including life span, dauer, stress resistance, and fat storage. We show that PPTR-1 functions by regulating worm AKT-1 phosphorylation at Thr 350. With striking conservation, mammalian B56beta regulates Akt phosphorylation at Thr 308 in 3T3-L1 adipocytes. In C. elegans, this ultimately leads to changes in subcellular localization and transcriptional activity of the forkhead transcription factor DAF-16. This study reveals a conserved role for the B56 regulatory subunit in regulating insulin signaling through AKT dephosphorylation, thereby having widespread implications in cancer and diabetes research. | lld:pubmed |
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pubmed-article:19249087 | pubmed:language | eng | lld:pubmed |
pubmed-article:19249087 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:19249087 | pubmed:citationSubset | IM | lld:pubmed |