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cross-reaction
(redirected from cross-reactive)

   Also found in: Dictionary/thesaurus, Encyclopedia 0.01 sec.
Cross-reaction
A reaction that occurs in blood testing when a disease agent reacts to the specific antibody for another disease agent. Cross-reactions are common in blood tests for fluke infections because the different species are closely related.

cross-reaction [kros´re-ak-shun]
an interaction between an antibody and an antigen closely related to the antigen that specifically stimulated synthesis of the antibody.

cross-reaction
a reaction which occurs when surface antigenic determinants on different molecules of quite different sources are identical, so that antibody directed against one antigen also reacts with another.

cross-reaction
Immunology A partial reaction or 'recognition' of an epitope by an antibody generated in response to another antigen


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These findings are extremely encouraging and clearly suggest the potential that a treatment for Hendra virus infection in a similar manner should be possible, given the very strong cross-reactive activity this antibody has against Hendra virus," said Dr Deborah Middleton, D.
Using stored serum specimens collected during previous vaccine studies (from healthy, human participants), the CDC assessed the level of cross-reactive antibody to H1N1 in cohorts of children and adults before and after vaccination with seasonal influenza vaccines from 2005-2006 to the most recent 2008-2009 vaccine.
Clinical trials show that these vaccines do offer some cross-reactive protection against virus strains 31 and 45.
 
 
 
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