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(a) Experimental design of the study on A549 cell line. 1 and 2 represent the steps of the experiments. (b) A549 proliferation by MTS assay by employing supernatants of autologous A- and LMSC-derived from patient with lung adenocarcinoma or (c) hamartochondroma. (d) Clonogenic assay on A549 with the corresponding autologous supernatants of B and C N = 4 different conditioned media for each source of A- and LMSC. Samples were normalized on time 0. ∗p < 0.05; #p < 0.001.
