Foamy virus in humans occurs only as a result of zoonotic infection. Vector research is mainly based on primate foamy viruses PFV but cats are an alternative animal model due to their smaller size and the existence of a cognate feline foamy virus FFV. Development Of Foamy Virus Vectors For Gene Therapy For Neurological Disorders And Other Diseases Bioengineering In Neurological Disorders Part 1 The helper and vector plasmid constructs used both lack the HFV bel genes so recombination between these constructs cannot create a. Foamy virus vectors . The helper and vector plasmid constructs used both lack the HFV bel genes so recombin. NIFV vectors produced high-titer stocks transduced dividing. Foamy viruses comprise a major subfamily of retroviruses with properties that make them attractive for HSC gene therapy. We demonstrate that the foamy virus long terminal repeats contain an insulator element that binds CCCTC-binding factor and reduces its insertional genotoxicity. Prot...