NOL7 and lung carcinoma: A previous study suggested that PQBP3/NOL7 knockdown did not significantly affect nucleolus or cell structure in H1299 human lung carcinoma cells (Kinor and Shav-Tal, 2011), while they overexpressed PQBP3/NOL7-YFP and subsequently knocked down the protein by siRNA (Kinor and Shav-Tal, 2011).