Abstract
A cDNA corresponding to the human gene for hypoxanthine phosphoribosyltransferase (HPRT; IMP:pyrophosphate phosphoribosyltransferase, EC 2.4.2.8) has been ligated into murine retroviral vectors such that it is under the transcriptional control of viral long terminal repeats. Transfection of HPRT- cells followed by superinfection with various helper viruses has led to the rescue of chimeric virus capable of transmitting the HPRT+ phenotype to HPRT- rodent or human cells. These genetically transformed cells contain authentic human HPRT at levels similar to normal HPRT+ cells.
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