Article
Effect of haptoglobin phenotypes on growth of Streptococcus pyogenes.
Clinical chemistry and laboratory medicine - 1 Sept 1998
Delanghe J, Langlois M, Ouyang J, Claeys G, De Buyzere M, Wuyts B
Abstract excerpt
The haptoglobin (Hp) 2-1 and 2-2 phenotypes have been shown to agglutinate Streptococcus pyogenes carrying the membrane antigen T4. In this study, the growth rate of two strains of Streptococcus pyogenes (T1 and T4) in human serum was compared among haptoglobin phenotypes in vitro. During incubation for 16 hours in serum of different haptoglobin types, only Hp 2-1 and Hp 2-2 sera showed an inhibitory effect on...
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