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Cellular kinetics in a patient with Sezary syndrome

Journal Article · · Am. J. Hematol.; (United States)
Cellular kinetics and proliferation of Sezary cells (SC) were studied in a 48-year-old woman with Sezary syndrome (SS). In vitro flash labeling indices of peripheral blood (PB) SC were studied by labeling with tritiated thymidine (/sup 3/HTdR) and tritiated cytidine (/sup 3/HCdR). Intradermal SC were labeled in vivo by local injection of /sup 3/HTdR followed by skin biopsies of the injected sites. Traffic patterns of DNA labeled PB SC were studied by intravenous /sup 3/HTdR followed by sampling of PB, skin, lymph node (LN), and bone marrow (BM). Fluxes of PB SC in various tissues were investigated by autotransfusion of /sup 3/HCdR labeled PB SC followed by serial sampling of PB, LN, BM, and skin. In vitro response of PB SC to phytohemagglutinin (PHA), concanavalin A (Con A), and pokeweed (PWM) were also investigated. The results from these studies in this patient indicate that 1) proliferation of SC was primarily in the skin, 2) there was a negligible flux of SC from blood into skin, LN, and BM, and 3) the mitogenic response of PB mononuclear cells (mostly SC) to PHA, PWM, and Con A was poor.
Research Organization:
Brookhaven National Lab., Upton, NY
DOE Contract Number:
AC02-76CH00016
OSTI ID:
5307515
Journal Information:
Am. J. Hematol.; (United States), Journal Name: Am. J. Hematol.; (United States) Vol. 10; ISSN AJHED
Country of Publication:
United States
Language:
English