Human adenosine deaminase expression in mice - PubMed (original) (raw)
. 1990 May 15;75(10):2085-92.
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- PMID: 2337676
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Human adenosine deaminase expression in mice
K A Moore et al. Blood. 1990.
Free article
Abstract
A replication defective retroviral vector containing a human adenosine deaminase (hADA) cDNA was produced by GP + E-86 packaging cells at high titer. We report long-term expression of hADA in the hematopoietic tissues of mice transplanted with bone marrow cells infected by in vitro co-cultivation with vector producing cells. Western analysis using an hADA-specific antibody allowed detection of the protein in the peripheral blood of all 37 transplanted mice for at least 9 weeks. Sixty-eight percent of the animals continued to express hADA in one or more of their hematopoietic tissues for the experimental period, and hADA was found in both spleen colonies and tissues of secondary recipients. There was provirus integration and expression in myeloid, erythroid, and lymphoid cell lineages, indicating extensive repopulation by the progeny of infected stem cells. The vector did not contain a selectable marker, and the infected stem cells did not have a competitive in vivo advantage. Nevertheless, we observed consistent gene transfer into hematopoietic stem cells and long-term expression of a human gene product in their progeny.
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