ISSN:
1432-0878
Keywords:
Fluorescent dyes
;
Lymphocyte transformation
;
Fluorometry
;
Acridine orange
;
Concanavalin A
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Medicine
Notes:
Summary Viable mouse thymocytes or spleen leucocytes stained with acridine orange (AO) were divided into one part used for stimulation, and the other part for control. Analysis of cellular green-fluorescence emission enabled physicochemical changes in lymphocytes to be detected after 30 min stimulation with the mitogens concanavalin A (Con A) and pokeweed mitogen (PWM). No change in fluorescence was observed with the nonmitogenic reagent wheat germ lectin (WGL) or with allogeneic cell stimulation (MLR). When green fluorescence intensity of individual cells was monitored by microfluorimetry, 30 min stimulation with Con A induced an increase, whereas PWM induced a decrease. When analysed by fluorescence spectrophotometry, Con A induced a 2 nm blue shift in emission maximum and a decrease in polarization values.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00233831
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