Aberrent group B reactions detected in mixtures of semen and vaginal secretions possibly due to acquired B |
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Authors: | A Davies P J Lincoln P Martin |
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Institution: | 1. The Metropolitan Police Forensic Science Laboratory, 109 Lambeth Road, London SE1 7LP U.K.;2. The London Hospital Medical College, Turner Street, London E1 2AD U.K. |
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Abstract: | Routine ABO grouping tests performed on vaginal swabs from a group O female showed the presence of blood group B activity as well as the expected A and H activity after intercourse with her group A partner. The source of the B activity was readily detectable using the Laboratory's routine elution test, but it was not detectable when a monoclonal anti-B was used and detection by the inhibition technique was possible only with a selected antiserum. A possible explanation of the reactions observed is that the acquired B is capable of reacting with only a portion of the antibodies present in normal polyclonal anti-B sera. |
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Keywords: | Acquired B Elution Inhibition |
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