Pathophysiology behind GH and Insulin Resistance ?

[cruCiATE]

Is it because Somatomedins (IGF-1) use Tyrosine Kinase receptors too ?

Thanks in Advance

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[Transposony]

I think IGF-1 has Intrinsic Tyrosine Kinase activity.
Insulin Resistance is by GH induced lipolysis and inhibition of insulin mediated glucose uptake by the cells (skeletal muscles).