M pneumoniae infections are associated with the production of which antibodies?

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Study for the Stevens Immunology-Serology Test. Explore flashcards and multiple choice questions with detailed explanations and hints. Get exam ready now!

Multiple Choice

M pneumoniae infections are associated with the production of which antibodies?

Explanation:
Cold agglutinins are the antibodies most classically linked to Mycoplasma pneumoniae infection. These are IgM autoantibodies that target red blood cell surface antigens (often the I antigen). At colder temperatures, they bind to RBCs, causing agglutination and activating complement, which can lead to a mild autoimmune hemolytic process and a positive cold agglutinin test. This autoimmune response is a distinctive feature of M. pneumoniae infections. The other antibody targets listed do not have a known association with this organism's immune response.

Cold agglutinins are the antibodies most classically linked to Mycoplasma pneumoniae infection. These are IgM autoantibodies that target red blood cell surface antigens (often the I antigen). At colder temperatures, they bind to RBCs, causing agglutination and activating complement, which can lead to a mild autoimmune hemolytic process and a positive cold agglutinin test. This autoimmune response is a distinctive feature of M. pneumoniae infections. The other antibody targets listed do not have a known association with this organism's immune response.

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