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J Gen Microbiol. 1988 Feb;134(2):473-9.

Immunological reaction of guinea-pigs following intranasal Mycoplasma pneumoniae infection and immunization with the 168 kDa adherence protein.

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Institute for Medical Microbiology and Hygiene, University of Freiburg, FRG.


Humoral responses to Mycoplasma pneumoniae proteins, especially the 168 kDa protein, were demonstrated by Western blotting in sera and bronchial washings of all groups of infected or immunized guinea-pigs. However, infection was not prevented by these local and systemic antibodies. Hilar lymphocytes of infected and immunized guinea-pigs were stimulated in vitro by sonicated M. pneumoniae antigen and by the 168 kDa protein. Stimulation was significantly lower in animals which had been infected twice or had been preimmunized and challenged by infection. Histologically the most severe lesions were seen in the twice-infected group followed by the preimmunized group which was subsequently infected.

[Indexed for MEDLINE]

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