autoagglutination


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autoagglutination

[¦ȯd·ō·ə‚glüt·ən′ā·sh; ppn]
(immunology)
Agglutination of an individual's erythrocytes by his own serum. Also known as autohemagglutination.
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influenzae in most laboratories, although this technique is prone to misinterpretation because of nonspecific agglutination, cross-reactions, or autoagglutination.
Platelet induced autoagglutination of Plasmodium falciparum-infected red blood cells and disease severity in Thailand.
Because of these regional factors, the precise cutoffs and rules that proved most efficient in our laboratory may not be the optimal rules to apply in laboratories working in other regions of the globe, (3) Samples were collected consecutively in a period of 2 months, so some uncommon positive findings were not observed during the study, such as malaria, RBC autoagglutination, and rouleaux formation.
Procedure note: Because of nonspecific autoagglutination, appropriate positive and negative controls are always included in the 0157 and H7 assays.
If the specimens have inadvertently cooled, warming to 37 C for at least 10 minutes will cause the cold antibody to elute back from the cells into the serum and the autoagglutination will disperse completely in most cases.