Loss of PTEN as an Independent Poor Prognosis Indicator in Lung Adenocarcinoma, but Not in Squamous Cell Carcinoma, Is Associated with an Immunosuppressive Tumor Microenvironment and Distinct Co-Mutational Profiles.

Abstract excerpt

Background/Objectives: Non-small cell lung cancer (NSCLC) comprises biologically heterogeneous tumors, primarily lung adenocarcinoma (LUAD) and lung squamous cell carcinoma (LUSC), which differ in genomic landscape and clinical behavior. The tumor suppressor PTEN is a key negative regulator of the PI3K/AKT/mTOR pathway and is frequently inactivated in NSCLC through genetic and non-genetic mechanisms. Although...

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