What is the clinical implication of the ability of group A streptococci (GAS) to invade epithelial cells?

Updated: Sep 07, 2018
  • Author: Zartash Zafar Khan, MD, FACP; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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A characteristic of S pyogenes is the organism’s ability to invade epithelial cells. Failure of penicillin to eradicate S pyogenes from the throats of patients, especially those who are carriers of S pyogenes, has been increasingly reported. The results of one study strongly suggested that if the carrier state results from intraepithelial cell streptococci survival, the failure of penicillin to kill ingested S pyogenes may be related to a lack of effective penicillin entry into epithelial cells. [7] These observations may have clinical implications for understanding carriers and managing S pyogenes infection.

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