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Cytotoxicity induced by PAMAM-FHR/apoptin complexes. (A,B) GBL-14 and (C,D) dermal fibroblasts were treated with each polymer/pJDK or pJDK-apoptin for 36 h and cytotoxicity was measured using a WST-1 assay. Results are expressed as mean ± standard deviation (n = 3). Asterisks represent statistically significant values. Unpaired t-test: ***p < 0.001.
