We have developed a model system of HIV reservoirs in neural cells by generating chimeric phosphorothioate-modified oligodeoxynucleotides (sODN) that specifically interact with neural cell DNA or RNA, and that further comprise a sequence of the HIV genome. In particular, we have conjugated the chimera sODN to a delivery vehicle (e.g. a superparamagnetic iron oxide nanoparticle (SPIO)) and have demonstrated specific delivery to neural cells, in vitro and in vivo. These model systems can be used to screen for agents that specifically target latent viral infection. In particular, using the model system, we have developed suicide MRI contrast agents that can be used to reduce the number of neural cells which harbor the virus, also provided herein. Our model system is translatable to other latent viruses as well.
