Abstract：
:The use of engineered viral strains such as gene therapy vectors and oncolytic viruses (OV) to selectively destroy cancer cells is poised to make a major impact in the clinic and revolutionize cancer therapy. In particular, several studies have shown that OV therapy is safe and well tolerated in humans and can infect a broad range of cancers. Yet in clinical studies OV therapy has highly variable response rates. The heterogeneous nature of tumors is widely accepted to be a major obstacle for OV therapeutics and highlights a need for strategies to improve viral replication efficacy. Here, we describe the development of a new class of small molecules for selectively enhancing OV replication in cancer tissue. Medicinal chemistry studies led to the identification of compounds that enhance multiple OVs and gene therapy vectors. Lead compounds increase OV growth up to 2000-fold in vitro and demonstrate remarkable selectivity for cancer cells over normal tissue ex vivo and in vivo. These small molecules also demonstrate enhanced stability with reduced electrophilicity and are highly tolerated in animals. This pharmacoviral approach expands the scope of OVs to include resistant tumors, further potentiating this transformative therapy. It is easily foreseeable that this approach can be applied to therapeutically enhance other attenuated viral vectors.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Dornan MH,Krishnan R,Macklin AM,Selman M,El Sayes N,Son HH,Davis C,Chen A,Keillor K,Le PJ,Moi C,Ou P,Pardin C,Canez CR,Le Boeuf F,Bell JC,Smith JC,Diallo JS,Boddy CNdoi
10.1038/srep26786subject
Has Abstractpub_date
2016-05-26 00:00:00pages
26786issn
2045-2322pii
srep26786journal_volume
6pub_type
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