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Region Hovedstaden - en del af Københavns Universitetshospital
Udgivet

Human leukocyte mobilization and morphology in nickel contact allergy using a skin chamber technique

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Vis graf over relationer

An improved skin chamber technique has been devised and used for quantitative evaluation of the leukocyte mobilization rate (LMR). The method was applied in 10 nickel-hypersensitive patients exposed to nickel sulphate. Each patient served as his own control and for additional control purpose, 5 healthy individuals without nickel hypersensitivity were studied. The kinetics of the mobilized leukocytes were followed over a 48-hour period. After an initial lag phase of 2-4 hours, maximum migration was observed from the 24th to the 48th hour, with a wide interindividual variability in the number of mobilized cells at the time of maximum LMR response. The median cumulative leukocyte count was 1.412 x 10(6) leukocytes/cm2/48 h. In the same period a statistically significant increase in the basophils for all the nickel allergic patients was observed. In 8 out of 10 patients a statistically significant effect upon the lymphocytes could be demonstrated. Six of these 8 patients had an increased lymphocyte mobilization. Throughout the period the neutrophil granulocytes were the dominant cell type, although the number decreased as the number of basophils and lymphocytes increased. The chamber technique is a valuable means for quantitative evaluation of leukocyte mobilization and morphology in skin exudates during exposure to an allergen in delayed hypersensitivity reactions.

OriginalsprogEngelsk
TidsskriftActa Dermatovenereologica
Vol/bind61
Udgave nummer6
Sider (fra-til)517-23
Antal sider7
ISSN0001-5555
StatusUdgivet - 1981

ID: 45772001