"Adenovirus Infection Enhances Killing of Melanoma Cells by a Mitotoxin."

According to the authors' abstract of an article published in Cancer Research, "Toxins are effective in cell killing if internalized efficiently. Conjugation of the plant toxin saporin with basic fibroblast growth factor has increased tumor killing due to better internalization, but toxin uptake by cells has remained relatively inefficient. We show here that infection of melanoma cells with a replication-defective adenovirus enhances cell killing by the mitotoxin basic fibroblast growth factor-saporin more than 10-fold, thus allowing tumor cell killing in vivo at nontoxic concentrations. Adenovirus infection leads to increased apoptosis by the mitotoxin due to enhanced internalization...

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