TNKS2 and lung adenocarcinoma: The qPCR analysis of WIF1 and TNKS expression in three cases of human lung adenocarcinoma revealed the expected repression of WIF1 and moderate overexpression of TNKS2 (as compared to adjacent normal lung tissues) in all examined cases, as well as for TNKS1 in 1 of 3 cases (Figure 1D).