The Department of Health and Human Services National Institutes of Health National Institute on Drug Abuse awarded a $156,200 firm fixed price purchase order to Biocytogen Boston Corp. to provide services for the transgenic development of HIV-related rats. Per the original solicitation, the contractor will design plasmid and targeting vector construction, complete microinjections and screening in multiple rat lines, and conduct breeding and genotyping to deliver the developed rat lines within 25-34 weeks. This contract supports NIH NIDA's ongoing research efforts to understand HIV transmission and develop treatments through transgenic animal models. No set aside designation or subcontractors were identified.