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Cells respond to various extracellular stimuli through a limited number of signaling pathways. One strategy to process such stimuli is to code the information into the temporal patterns of molecules. Although we showed that insulin selectively regulated molecules depending on its temporal patterns using Fao cells, the in vivo mechanism remains unknown. Here, we show how the insulin-AKT pathway processes the information encoded into the temporal patterns of blood insulin. We performed hyperinsulinemic-euglycemic clamp experiments and found that, in the liver, all temporal patterns of insulin are encoded into the insulin receptor, and downstream molecules selectively decode them through AKT. S6K selectively decodes the additional secretion information. G6Pase interprets the basal secretion information through FoxO1, while GSK3β decodes all secretion pattern information. Mathematical modeling revealed the mechanism via differences in network structures and from sensitivity and time constants. Given that almost all hormones exhibit distinct temporal patterns, temporal coding may be a general principle of system homeostasis by hormones.
Pubmed ID: 29960883 RIS Download
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This polyclonal targets Phospho-FoxO1 (Ser256)
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View all literature mentionsThis monoclonal targets Phospho-GSK-3beta (Ser9)
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View all literature mentionsThis monoclonal targets p70 S6 Kinase, phospho (Thr389)
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View all literature mentionsThis monoclonal targets Phospho-Akt (Ser473) (193H12) Rabbit mAb
View all literature mentionsThis monoclonal targets Phospho-Akt (Thr308) (C31E5E) Rabbit mAb
View all literature mentionsThis monoclonal targets Akt (pan) (C67E7) Rabbit mAb
View all literature mentionsThis monoclonal targets Phospho-IGF-I Receptor beta (Tyr1135/1136)/Insulin Receptor beta (Tyr1150/1151) (19H7) Rabbit mAb
View all literature mentionsThis recombinant monoclonal targets Insulin Receptor beta
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