Retroviruses are negative single-stranded RNA viruses in which tRNA serves ... transfection as well as assay for replication competent retrovirus. Retroviral vector-mediated gene transfer has been ...

ViroCell Biologics ("ViroCell" or the "Company"), a specialist viral vector Contract Development and Manufacturing ...

Our findings indicate that negative results obtained with subcloned DNA must be interpreted with caution and should motivate, if feasible, the use of linear, vector-free expression constructs in C.