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Modification of oncolytic adenovirus and its application in cancer therapy.

Oncolytic virus refers to a type of virus that can replicate in tumor cells and eventually lyse them. Oncolytic adenoviruses are widely used because of their acceptable safety, but they are also limited in their clinical applications due to their own limitations. Therefore, the adenovirus is modified in multiple ways to improve the safety of the treatment, enhance the impact of oncolysis, and reduce the effect of neutralizing antibodies on the virus. The combined application of oncolytic adenovirus and other drugs plays a synergistic role in the treatment of tumors.