1972
DOI: 10.1128/aem.23.3.471-475.1972
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Modified Hemagglutination-Inhibition Test for Rubella Employing Human Group O Erythrocytes

Abstract: A hemagglutination-inhibition (HI) test for rubella is described which utilizes human group 0, rather than 1-day-old chick, erythrocytes. The test was found to be as sensitive and reproducible for detection of rubella antibody as HI tests employing chick erythrocytes. Advantages to the use of human erythrocytes are (i) they are more available, (ii) it is unnecessary to absorb natural agglutinins from human test sera, and (iii) heparin-MnCl2-treated sera do not agglutinate human erythrocytes, as is sometimes th… Show more

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Cited by 5 publications
(4 citation statements)
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“…None were trypsin-modified. A more recent paper expanded upon the use of human 0 cells (7). In our experience, only one of eight human bloods showed any demonstrable hemagglutination with rubella antigen without trypsin modification, and this showed a titer eightfold lower than chicken cells.…”
Section: Discussionmentioning
confidence: 88%
“…None were trypsin-modified. A more recent paper expanded upon the use of human 0 cells (7). In our experience, only one of eight human bloods showed any demonstrable hemagglutination with rubella antigen without trypsin modification, and this showed a titer eightfold lower than chicken cells.…”
Section: Discussionmentioning
confidence: 88%
“…Os problemas relacionados com as anomalias resultantes da infecção congênita pelo vírus da rubéola, além de um conjunto de situações em que se torna necessário tomar uma decisão sobre a oportunidade do aborto terapêutico, para não referir os problemas familiares que resultam do estado de angústia das mães com uma história de contato com casos de rubéola, durante o período de gravidez, conferem a esta virose um particular significado. A determinação do grau de imunidade, mediante a pesquisa rotineira dos níveis de anticorpos inibidores da hemaglutinação, adquire assim uma especial importância, considerando-se a economia, rapidez e facilidade de realização da reação de inibição da hemaglutinação 6,22,26 . A prevalência de anticorpos inibidores da hemaglutinação tem sido estudada por vá-rios autores, mas os diferentes critérios utilizados para avaliação do grau de imunidade nem sempre permitem comparar os resultados obtidos.…”
Section: Discussionunclassified
“…After incubation with antigen in phosphate buffer, the plates are washed six times in distilled deionized water and once in a solution of albumin (1% [wt/vol]) and glycerol (7.5% [vol/vol]) in deionized water and then im-* : *~~~mersed upside down in an ethanol-dry ice bath before [. 6. , being transferred to a -70 or a -20°C freezer in which <8 >8 they can be stored for 6 or 3 weeks, respectively, <8 without loss of activity.…”
Section: Methodsmentioning
confidence: 99%