In vivo CAR T-cell generation in nonhuman primates using lentiviral vectors displaying a multidomain fusion ligand.

Chimeric antigen receptor (CAR) T-cell therapies have demonstrated transformative efficacy in treating B-cell malignancies. However, high costs and manufacturing complexities hinder their widespread use. To overcome these hurdles, we have developed the VivoVec platform, a lentiviral vector capable of generating CAR T cells in vivo.

Highly-potent, synthetic APOBEC3s restrict HIV-1 through deamination-independent mechanisms.

The APOBEC3 (A3) genes encode cytidine deaminase proteins with potent antiviral and anti-retroelement activity. This locus is characterized by duplication, recombination, and deletion events that gave rise to the seven A3s found in primates. These include three single deaminase domain A3s (A3A, A3C, and A3H) and four double deaminase domain A3s (A3B, A3D, A3F, and A3G).

APOBEC3C Tandem Domain Proteins Create Super Restriction Factors against HIV-1.

Humans encode proteins, called restriction factors, that inhibit replication of viruses such as HIV-1. The members of one family of antiviral proteins, (APOBEC3; shortened here to A3), act by deaminating cytidines to uridines during the reverse transcription reaction of HIV-1. The locus encodes seven genes, named to These genes have either one or two cytidine deaminase domains, and several of these A3s potently restrict HIV-1.