Loss of PTEN expression leading to high Akt activation in human multiple myelomas

Abstract excerpt

Mouse plasma cell tumor (PCT) and human multiple myeloma (MM) are terminal B-cell malignancies sharing many similarities. Our recent work demonstrated that activation of the insulin-like growth factor receptor (IGF-IR)/insulin receptor substrate (IRS)/phosphatidylinositol 3' kinase (PI 3'K) pathway was evident in the tumor lines derived from both species. Although PI 3'K activity was higher in mouse tumor lines...

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