Abstract:Background: CF33-hNIS-anti-PD-L1 is a novel chimeric orthopoxvirus shown to have anti-cancer activity in triple negative breast cancer (TNBC) xenografts. For clinical tracking of the oncolytic virus (OV), human sodium iodide symporter (hNIS) transgene was inserted into the virus. hNIS gene expression allows cells to take up iodine and be visible by non-invasive imaging techniques. Animal studies showed that tumor cells infected with CF33-hNIS-anti-PD-L1 express functional hNIS and are visible by single-photon … Show more
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