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Mycoplasma pneumoniae infection and Tourette's syndrome

Norbert Müller1, Michael Riedel, Christa Blendinger

  • 1Hospital for Psychiatry and Psychotherapy, Ludwig-Maximilians-University München, Nussbaumstrasse 7, D-80336 München, Germany. nmueller@psy.med.uni-muenchen.de

Psychiatry Research
|December 14, 2004
PubMed

Insights

Mycoplasma pneumoniae infection may play a role in Tourette's syndrome (TS). This study found higher antibody levels in TS patients, suggesting infection as a potential trigger or aggravating factor for tics.

Area of Science:

  • Neuroscience
  • Infectious Diseases
  • Immunology

Background:

  • An association between infections and Tourette's syndrome (TS) is recognized, with streptococcal infections (PANDAS) being established.
  • The role of other infectious agents, like Mycoplasma pneumoniae, in TS is less understood, with limited case reports.

Purpose of the Study:

  • To investigate the association between Mycoplasma pneumoniae infection and Tourette's syndrome.
  • To compare antibody titers against M. pneumoniae in TS patients and a control group.

Main Methods:

  • Examined antibody titers against M. pneumoniae using microparticle agglutination (MAG) assay and immunoblot.
  • Compared antibody levels in 29 TS patients and 29 sex- and age-matched controls.

Main Results:

  • Significantly more TS patients (17) had elevated M. pneumoniae antibody titers compared to controls (1).
  • A significantly higher number of TS patients (9) showed IgA antibodies compared to controls (1).

Conclusions:

  • Elevated antibody titers and IgA antibodies suggest a potential role for M. pneumoniae in a subgroup of TS patients.
  • M. pneumoniae infection may be an etiological agent or an aggravating factor in Tourette's syndrome, possibly involving autoimmune reactions.

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