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首页> 外文期刊>Journal of child neurology >Evaluation of Basal Ganglia and Thalamic Inflammation in Children With Pediatric Autoimmune Neuropsychiatric Disorders Associated With Streptococcal Infection and Tourette Syndrome: A Positron Emission Tomographic (PET) Study Using C-11-[R]-PK11195
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Evaluation of Basal Ganglia and Thalamic Inflammation in Children With Pediatric Autoimmune Neuropsychiatric Disorders Associated With Streptococcal Infection and Tourette Syndrome: A Positron Emission Tomographic (PET) Study Using C-11-[R]-PK11195

机译:儿童伴链球菌感染和抽动秽语综合症的小儿自身免疫性神经精神疾病的基底节和丘脑炎症的评估:正电子发射断层扫描(PET)研究使用C-11- [R] -PK11195

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摘要

We applied PET scanning with C-11-[R]-PK11195 (PK) to evaluate neuroinflammatory changes in basal ganglia and thalamus in children with clinically diagnosed pediatric autoimmune neuropsychiatric disorders associated with streptococcal infection (PANDAS) and Tourette syndrome. Seventeen children with PANDAS (mean age: 11.4 +/- 2.6 years; 13 males), 12 with Tourette syndrome (mean age: 11.0 +/- 3.0 years; 10 males), and 15 normal adults (mean age: 28.7 +/- 7.9 years; 8 males) underwent dynamic PK PET imaging and binding potential, a measure of ligand-TSPO receptor (expressed by activated microglia) binding, was calculated for basal ganglia and thalamus. Binding potential values, suggesting underlying activated microglia-mediated neuroinflammation, were found to be increased in bilateral caudate and bilateral lentiform nucleus in the PANDAS group and in bilateral caudate nuclei only in the Tourette syndrome group, compared to control group. These differences in the pattern and extent of neuroinflammation also signify a possible difference in pathophysiological etiology between PANDAS and Tourette syndrome patients.
机译:我们应用C-11- [R] -PK11195(PK)进行PET扫描,以评估患有链球菌感染(PANDAS)和Tourette综合征的临床诊断为儿童自身免疫性神经精神疾病的儿童基底节和丘脑的神经炎性变化。 17名患有PANDAS的儿童(平均年龄:11.4 +/- 2.6岁;男性13名),12名患有图雷特综合症(平均年龄:11.0 +/- 3.0岁; 10名男性)和15名正常成人(平均年龄:28.7 +/-) 7.9岁; 8名男性)进行了动态PK PET成像和结合潜能,计算了基底节和丘脑的配体-TSPO受体(由活化的小胶质细胞表达)结合的量度。与对照组相比,发现在PANDAS组中双侧尾状和双侧长形核以及仅在Tourette综合征组中双侧尾状核的结合电位值增加,表明潜在的激活的小胶质细胞介导的神经炎症。神经炎症的方式和程度的这些差异也表明PANDAS和Tourette综合征患者的病理生理病因可能存在差异。

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