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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Muruve, D. A. Silver, M. Libermann, T. A. Oettgen, P. Sata, M. Perlman, H. Ikebe, M. Walsh, K. |
| Description | Author Affiliation: Sata M ( Division of Cardiovascular Research, St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, MA 02135, USA.); |
| Abstract | Proliferation of vascular smooth muscle cells (VSMCs) in response to injury plays a key role in the pathogenesis of vascular disorders. Fas ligand (FasL) induces apoptosis in Fas-bearing cells, and its expression on activated T cells contributes to the regulation of the immune response and physiological cell turnover. Here, we show that a replication-defective adenovirus encoding FasL (Ad-FasL) induced apoptosis in Fas-bearing VSMCs. When introduced locally to balloon-injured rat carotid arteries, a well characterized model of a VSMC-derived lesion, Ad-FasL functioned as a potent inhibitor of neointima formation. In rats immunized with an empty adenoviral vector, robust T cell infiltration of the vessel wall was detected after local delivery of a beta-galactosidase-expressing virus (Ad-betagal), whereas T cell infiltrates were not detected after local delivery of Ad-FasL. Prior immunization prevented beta-galactosidase expression from Ad-betagal, whereas the expression of the FasL transgene was unaffected. When Ad-betagal and Ad-FasL were delivered together to preimmunized animals, T cell infiltration was reduced and beta-galactosidase expression was restored. These data demonstrate that Fas ligand gene transfer can effectively inhibit injury-induced vessel lesion formation and can allow adenovirus-harboring cells to evade immune destruction. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 3 |
| Volume Number | 95 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1998-03-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Adenoviridae Infections Pathology Antigens, CD95 Genetics Immunology Gene Transfer Techniques Membrane Glycoproteins Muscle, Smooth, Vascular T-Lymphocytes Virology Angioplasty, Balloon Adverse Effects Animals Apoptosis DNA Fragmentation Endothelium, Vascular Injuries Fas Ligand Protein Jurkat Cells Ligands Rats, Sprague-Dawley Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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