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Title: Detection of early hemagglutination inhibitory antibodies to rubella virus by pretreatment of sera with streptococcal cells. Author: Kawano K, Yamamoto S, Minamishima Y. Journal: J Med Virol; 1986 Jun; 19(2):101-10. PubMed ID: 3522804. Abstract: A technique that is based on absorption of sera with streptococcal cells and hemagglutination inhibition (HI) was evaluated for its feasibility for serologic diagnosis of recent rubella. The mixture of AR1 and AW43 cells removes IgG and IgA from the kaolin-treated sera, leaving IgM and a trace of IgA, probably oligomeric IgA. Consequently, after the absorption with streptococci, the HI antibodies are detectable exclusively in the early sera of patients with rubella. The streptococci (AR1 and AW43) have several advantages as the absorbent over the staphylococcus (Cowan I) that has been used routinely.[Abstract] [Full Text] [Related] [New Search]