Expression of insulin receptor substrates 1–3, glucose transporters GLUT‐1–4, signal regulatory protein 1α, phosphatidylinositol 3‐kinase and protein kinase B at the protein level in the human testis

Insulin receptor substrates (IRS) mediate the biological actions of insulin, growth factors and cytokines. This action is via receptor‐mediated tyrosine phosphorylation of IRS proteins. The aim of present study was to demonstrate the distribution of IRS‐1–3, the glucose transporter class I subfamily...

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