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ArticlesCopyright © 1990 by American Association for the Advancement of Science
Correction of CD18-deficient lymphocytes by retrovirus-mediated gene transfer
Howard Hughes Medical Institute, Department of Internal Medicine, Ann Arbor, MI.
Leukocyte adhesion deficiency (LAD) is an inherited disorder of leukocyte function caused by derangements in CD18 expression. The genetic and functional abnormalities in a lymphocyte cell line from a patient with LAD have been corrected by retrovirus-mediated transduction of a functional CD18 gene. Lymphocytes from patients with LAD were exposed to CD18-expressing retrovirus and enriched for cells that express CD11a and CD18 (LFA-1) on the cell surface. Molecular and functional analyses of these cells revealed (i) one copy of proviral sequence per cell, (ii) viral-directed CD18 RNA that exceeded normal endogenous levels, (iii) normal quantities of CD11a and CD18 protein on the cell surface, and (iv) reconstitution of LFA-1-dependent adhesive function.
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Science. ISSN 0036-8075 (print), 1095-9203 (online)