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Scientists discover how a bacterial pathogen breaks down barriers to enter and infect cells (press release)

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Scientists from the Schepens Eye Research Institute, a subsidiary of Mass. Eye and Ear and affiliate of Harvard Medical School, have found for the first time that a bacterial pathogen can literally mow down protective molecules, known as mucins, on mucus membranes to enter and infect a part of the body. Their landmark study, published in the March 7, 2012 PLoS ONE, describes how they discovered that an "epidemic" strain of the bacterium Streptococcus pneumoniae, which causes conjunctivitis, secretes an enzyme to damage mucins and breach the mucosal membrane to infect and inflame the eye.

Click "source' for entire press release.

To view the entire study, titled "A Metalloproteinase Secreted by Streptococcus pneumoniae Removes Membrane Mucin MUC16 from the Epithelial Glycocalyx Barrier, go to http://dx.plos.org/10.1371/journal.pone.0032418
 
 

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