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Immunocytochemical studies were performed on tracheal wall samples embedded in paraffin; the samples were taken at 23 autopsies. In all cases, the red cells had been typed in postmortem serological studies as being Le(a-b-). Blood-group antigens were demonstrated by the indirect immunoperoxidase technique, using monoclonal Anti-A, Anti-B, Anti-Lea and Anti-Leb; H was detected by UEA 1. The secretor characteristics could clearly be diagnosed from the ABH staining pattern of the mucous glands. In 11 cases, the lewis antigen labeling patterns were identical to the group of Lewis-positive individuals. It seems probable, from the statistical point of view, that these 11 individuals were, in fact, Lewis-positive and that the negative serology resulted from deterioration of the cadaver blood samples. The immunocytochemistry was quite different in the remaining 12 cases: (a) secretors (n = 9) were completely negative for Lea, Leb was equally negative in one case, but in the remainder it was detectable within mucous epithelia in minimal amounts and in an atypical granular distribution; (b) nonsecretors (n = 3) reversely exhibited complete negativity for Leb but a minimal staining for Lea. T

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Author

I. Pedal; V. Schmidt

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC (ISSN 1437-1596)

Published

1987

Language

DE

Field

Medicine (Health Sciences)