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KMID : 0367320060170010027
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Journal of the Korean Academy of Child and Adolescent Psychiatry
2006 Volume.17 No. 1 p.27 ~ p.31
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A PRELIMINARY STUDY OF B LYMPHOCYTE ANTIGEN D8/17 IN TOURETTE SYNDROME CHILDREN WHO SUGGESTED PANDAS
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Lee Young-Sik
Joung Yoo-Sook
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Abstract
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Objectives: We examined whether D8/17 expression in Tourette syndrome children who suggested PANDAS were higher than comparison group, and there was my clinical difference by D8/l7 expression.
Methods: Nine Tourette’’s syndrome children suggested PANDAS and two ADHD children without tic disorder were evaluated far percentage of D8/17 expression-positive B cells by immunofluorescence flow cytometric assay and anti-streptolysin O titer.
Results: The frequency of D8/17 positive B lymphocyte rate was significantly higher in Tourette’’s syndrome than ADHD, whose average rate were 77.9 and 24.8, respectively. Among 9 TD patients,4 patients showed above 90% D8/l7 expression. There was high concordance expression rate between mother (98.4%) and daughter (99.0%) The significant relation between percentage of D8/17 expression and tic severity were not detected. The significant relation between percentage of D8/17 expression and anti-streptolysin O titer were not detected, however in 66.7% TD patients showed above 100IU/ml.
Conclusion: We concluded that subgroup of TD children are streptococcal infected tic disorder, so called PANDAS.
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KEYWORD
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PANDAS, Tourette syndrome, B Lymphocyte D8/17
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