Pathobiology
The Migration of Lymphocytes Across Specialized Vascular EndotheliumIII. Concanavalin A Delays Lymphocytes in Normal Traffic Areas Department of Pathology, University of Manchester, The Medical School, Manchester
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Article / Publication Details
Received: August 04, 1976
Accepted: August 19, 1976
Published online: October 03, 2008
Issue release date: 1977
Number of Print Pages: 15
Number of Figures: 0
Number of Tables: 0
ISSN: 1015-2008 (Print)
eISSN: 1423-0291 (Online)
For additional information: https://www.karger.com/PAT
Abstract
Radioactively labelled rat lymphocytes were treated in vitro with concanavalin A (con A) and injected intravenously into syngeneic recipients. By examining the blood and tissues at intervals from 30 min to 48 h after injection, it was confirmed that con A altered the distribution of lymphocytes. Comparison was made with the localization of alternatively labelled untreated lymphocytes injected into the same recipients and with untreated lymphocytes injected into other recipients. Within 1 h of injection there was a surplus of treated cells in the lungs and liver and deficits (of equal magnitude) in the blood, spleen and lymphnodes. By 24 h after injection there was a twofold surplus of treated cells in the spleen but a persisting deficit in lymphnodes. These perturbations can be ascribed to the prolonged retention of lymphocytes in normal sites of localization; there is no evidence that con A either hinders the migration of lymphocytes from the blood or diverts them to abnormal sites. It is not clear whether the delay in the recipients’ tissues requires an active response to con A but, if so, then it does not proceed to blastic transformation.
© 1977 S. Karger AG, Basel
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Article / Publication Details
Received: August 04, 1976
Accepted: August 19, 1976
Published online: October 03, 2008
Issue release date: 1977
Number of Print Pages: 15
Number of Figures: 0
Number of Tables: 0
ISSN: 1015-2008 (Print)
eISSN: 1423-0291 (Online)
For additional information: https://www.karger.com/PAT
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