Related Experiment Videos
Rapid latex agglutination test for extraluminal amoebiasis
A J Cummins1, A H Moody, K Lalloo
1Department of Clinical Parasitology Hospital for Tropical Diseases, London.
Journal of Clinical Pathology
|July 1, 1994
Summary
A new latex agglutination test effectively screens for invasive amoebiasis, showing results that align with standard serological methods. This rapid test shows promise as a valuable field screening tool for amoebic infections.
Area of Science:
- Medical Parasitology
- Immunodiagnostics
Background:
- Invasive amoebiasis, caused by Entamoeba histolytica, requires accurate and rapid diagnostic methods.
- Standard serological tests like IFAT, IHA, and CAP exist but may have limitations in speed or accessibility.
Purpose of the Study:
- To develop and evaluate a rapid latex agglutination screening test for invasive amoebiasis.
- To compare the performance of this new test against established serological techniques.
Main Methods:
- An in-house latex agglutination test was developed.
- The test was performed on 46 serum samples, including controls, patients with other infections, and those with confirmed amoebiasis.
- Results were compared with immunofluorescent antibody test (IFAT), indirect haemagglutination test (IHA), and cellulose acetate precipitin (CAP) test.
Main Results:
- The latex agglutination test demonstrated strong positive reactions in sera indicative of invasive amoebiasis, correlating well with combined positive results from CAP, IFAT, and IHA.
- Weaker reactions were observed in cases correlating with treated or early-stage amoebiasis.
- No reactions were seen in negative controls or sera from patients with other parasitic infections.
Conclusions:
- The developed latex agglutination test serves as a useful indicator for invasive amoebiasis.
- The test shows good correlation with standard serological methods.
- It is a promising tool for field screening of amoebiasis.