Protein A-like activity and streptococcal cross-reactions.

Abstract:

:Recognition of the protein A-like activity of some strains of group A streptococci has thrown doubt on much previous work suggesting antigenic cross-reactions between these streptococci and mammalian tissues. The strains used in our previous studies have now been examined by the mixed reverse passive antiglobulin reaction (MRPAH) for the 'non-specific' absorption of purified Fc portion of human IgG. They were found to have only traces of activity. The strain of Staphylococcus aureus used to control 'non-specific' absorption by bacterial cell walls was strongly positive. Protein A-like material as detected in this way was not therefore responsible for our earlier results.

journal_name

Clin Exp Immunol

authors

Kingston D

subject

Has Abstract

pub_date

1981-10-01 00:00:00

pages

225-8

issue

1

eissn

0009-9104

issn

1365-2249

journal_volume

46

pub_type

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