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Gene Information

Gene symbol: PIK3R3

Gene name: phosphoinositide-3-kinase, regulatory subunit 3 (gamma)

HGNC ID: 8981

Synonyms: p55

Related Genes

#	Gene Symbol	Number of hits
1	INS	1 hits
2	PIK3CA	1 hits

Related Sentences

#	PMID	Sentence
1	9421369	In addition, we demonstrated that the expressions of p85alpha and p55alpha regulatory subunits of PI 3-kinase were reduced (p85alpha, 67%; p55alpha, 54%), and that the p50alpha regulatory subunit was markedly upregulated (176%) in the livers of fatty rats without apparent alterations in expressions of the catalytic subunits p110alpha and p110beta.
2	17622585	In this study, we provide evidence in rats that low-dose alcohol intake (4 g/kg x d) enhances hepatic insulin signaling by suppressing p55gamma (a phosphatidylinositol 3-kinase regulatory subunit isoform) at the posttranscriptional level, leading to the increased association of the phosphatidylinositol 3-kinase catalytic subunit (p110) with insulin receptor substrate-1 (P < 0.05) and subsequent activation of downstream effectors such as Akt, glycogen synthase kinase 3beta, and nuclear sterol regulatory element binding protein (SREBP)-1.
3	17622585	Thus, alcohol exerts biphasic actions on hepatic insulin signaling, such that low doses activate insulin signaling pathways associated with reduced p55gamma to increase nSREBP-1, whereas high doses of ethanol elevate TRB3 and suppress insulin signaling to decrease SREBP-1.