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Published on: May 7, 2020
Mycoplasma pneumoniae intrathecal antibody responses in Bickerstaff brain stem encephalitis
Patrick M Meyer Sauteur1, Christa Relly1, Annette Hackenberg2
1Division of Infectious Diseases and Hospital Epidemiology, University Children's Hospital of Zurich, Zurich, Switzerland.
Abstract:
The pathogenesis of Mycoplasma pneumoniae encephalitis is not established. We report, for the first time, the case of a patient with severe Bickerstaff brain stem encephalitis in whom we detected intrathecal production of M. pneumoniae-specific antibodies, contrasting the findings in another patient with less severe encephalitis in whom we detected intrathecal M. pneumoniae DNA but no specific antibodies. Our observations suggest that intrathecal M. pneumoniae-specific antibody responses may contribute to a more severe course of M. pneumoniae encephalitis.
Insights
Mycoplasma pneumoniae encephalitis pathogenesis remains unclear. Intrathecal antibody production against Mycoplasma pneumoniae may indicate a more severe Bickerstaff brainstem encephalitis course.
Area of Science:
- Neurology
- Infectious Diseases
- Immunology
Background:
- The exact cause of Mycoplasma pneumoniae encephalitis is not fully understood.
- Bickerstaff brainstem encephalitis is a rare neurological disorder often associated with Mycoplasma pneumoniae infections.
Observation:
- This study presents two cases of Mycoplasma pneumoniae encephalitis.
- One patient with severe Bickerstaff brainstem encephalitis showed intrathecal production of Mycoplasma pneumoniae-specific antibodies.
- A second patient with less severe encephalitis had intrathecal Mycoplasma pneumoniae DNA but no specific antibodies.
Findings:
- The presence of intrathecal Mycoplasma pneumoniae-specific antibodies was observed in a severe encephalitis case.
- Absence of intrathecal antibodies, despite the presence of bacterial DNA, was noted in a milder case.
Implications:
- Intrathecal antibody responses to Mycoplasma pneumoniae may correlate with disease severity.
- Further research is needed to elucidate the role of specific immune responses in Mycoplasma pneumoniae encephalitis pathogenesis.
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