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Articles 1 - 2 of 2
Full-Text Articles in Medicine and Health Sciences
Murine Transporter Associated With Antigen Presentation (Tap) Preferences Influence Class I-Restricted T Cell Responses., A J Yellen-Shaw, C E Laughlin, R M Metrione, Laurence C. Eisenlohr
Murine Transporter Associated With Antigen Presentation (Tap) Preferences Influence Class I-Restricted T Cell Responses., A J Yellen-Shaw, C E Laughlin, R M Metrione, Laurence C. Eisenlohr
Department of Biochemistry and Molecular Biology Faculty Papers
The transporter associated with antigen presentation (TAP) complex shuttles cytosolic peptides into the exocytic compartment for association with nascent major histocompatibility complex class I molecules. Biochemical studies of murine and human TAP have established that substrate length and COOH-terminal residue identity are strong determinants of transport efficiency. However, the existence of these specificities in the intact cell and their influences on T cell responses have not been demonstrated. We have devised a method for studying TAP- mediated transport in intact cells, using T cell activation as a readout. The approach makes use of a panel of recombinant vaccinia viruses expressing …
Stent Placement Compared With Balloon Angioplasty For Obstructed Coronary Bypass Grafts. Saphenous Vein De Novo Trial Investigators., M P Savage, J S Douglas, D L Fischman, C J Pepine, S B King, J A Werner, S R Bailey, P A Overlie, S H Fenton, J A Brinker, M B Leon, S Goldberg
Stent Placement Compared With Balloon Angioplasty For Obstructed Coronary Bypass Grafts. Saphenous Vein De Novo Trial Investigators., M P Savage, J S Douglas, D L Fischman, C J Pepine, S B King, J A Werner, S R Bailey, P A Overlie, S H Fenton, J A Brinker, M B Leon, S Goldberg
Department of Medicine Faculty Papers
BACKGROUND: Treatment of stenosis in saphenous-vein grafts after coronary-artery bypass surgery is a difficult challenge. The purpose of this study was to compare the effects of stent placement with those of balloon angioplasty on clinical and angiographic outcomes in patients with obstructive disease of saphenous-vein grafts.
METHODS: A total of 220 patients with new lesions in aortocoronary-venous bypass grafts were randomly assigned to placement of Palmaz-Schatz stents or standard balloon angioplasty. Coronary angiography was performed during the index procedure and six months later.
RESULTS: As compared with the patients assigned to angioplasty, those assigned to stenting had a higher rate …