Application of the leucocyte adherence inhibition test to the assessment of cell mediated immunity in invasive amoebiasis

Transactions of the Royal Society of Tropical Medicine and Hygiene
T F JacksonD J Pudifin

Abstract

The leucocyte adherence inhibition (LAI) test was assessed as a means for measuring specific cell mediated immunity (CMI) in invasive amoebiasis. The LAI test and the amoebic gel diffusion (AGD) test were performed on 20 patients admitted to hospital with amoebic liver abscess (ALA) and 24 control subjects with no demonstrable clinical amoebiasis. The AGD results were acceptable for such a study in an endemic area as all the proven ALA subjects gave positive responses while all except one of the controls gave a negative reaction. A percentage adherence in the LAI test of more than 80% was considered to be negative and the mean percentage adherence of leucocytes for the control subjects was found to be 86.0 +/- 4.9 while that for the experimental group was found to be 76.1 +/- 15.4; the difference between these groups is statistically significant. It was noticed that the LAI test response was possibly linked with severity of disease in the ALA subjects. The LAI test has been found to be a relatively rapid test of specific CMI and although fastidious, it does not require the use of radio-isotopes.

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Citations

Jan 1, 1984·Transactions of the Royal Society of Tropical Medicine and Hygiene·T F JacksonA E Simjee
Jan 1, 1985·Transactions of the Royal Society of Tropical Medicine and Hygiene·A E SimjeeM Stretton
Jan 1, 1985·Clinical Radiology·A E SimjeeF Rooknoodeen
Jul 1, 1994·Clinical and Experimental Immunology·D J PudifinT F Jackson

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