Article
Insulin stimulation of phosphatidylinositol 3-kinase activity maps to insulin receptor regions required for endogenous substrate phosphorylation.
The Journal of biological chemistry - 15 Jan 1992
Backer J M, Schroeder G G, Kahn C R, Myers M G, Wilden P A, Cahill D A, White M F
Abstract excerpt
We have studied the phosphatidylinositol 3-kinase (PtdIns 3-kinase) in insulin-stimulated Chinese hamster ovary (CHO) cells expressing normal (CHO/IR) and mutant human insulin receptors. Insulin stimulation of CHO/IR cells results in an increase in PtdIns 3-kinase activity associated with anti-phosphotyrosine (alpha PY) immunoprecipitates, which has been previously shown to correlate with the in vivo production...
Topics
- 1-Phosphatidylinositol 4-Kinase
- Animals
- Antibodies
- Autoradiography
- Cells, Cultured
- Cricetinae
- Cricetulus
- Electrophoresis, Polyacrylamide Gel
- Enzyme Activation
- Humans