Loss of PTEN expression in BASCs from PtenΔ5/Δ5; KrasLox/+; CCSPCre/+ mice.Immunofluorescent staining of tissue sections to detect triply stained (CCSP/SPC/PTEN) cells at terminal bronchi. BASCs (encircled) illustrated at ×10 magnification. Calibration bar in lower right panel represents 100 μm.
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