Pathogenesis (TB)

CDC Examines Mycobacterium tuberculosis Infection

Published in TB and Outbreaks Week, February 8th, 1999

A bilayer tissue culture model may shed light on early Mycobacterium tuberculosis infection, according to a report from the U.S. Centers for Disease Control and Prevention (CDC).

A tissue culture bilayer system that mimics some aspects of early alveolar infection by M. tuberculosis was developed. This model incorporates human lung epithelial type II pneumocyte (A549) (upper chamber) and endothelial cell (lower chamber) layers separated by a microporous membrane.

"This construction makes it possible to observe and quantify the passage of bacteria through the two layers, to observe the interaction of the bacteria with the various cell...

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Source: TB and Outbreaks Week (1999-02-08)

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