自闭症谱系障碍回归和非回归患者的生物能和炎症变化
Maria Gevezova1,2, Zdravko Ivanov1, Iliana Pacheva3,4
1Department of Medical Biology, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria.
International journal of molecular sciences
|August 10, 2024
概括
线粒体功能障碍在经历回归的自闭症谱系障碍 (ASD) 的儿童中更为明显,而在没有回归的儿童中炎症更高. 这项研究揭示了ASD亚组中独特的免疫细胞代谢概况.
科学领域:
- 神经免疫学 神经免疫学
- 细胞的新陈代谢
- 发育儿科 发育儿科
背景情况:
- 自闭症谱系障碍 (ASD) 与生理异常有关,包括线粒体功能障碍,氧化应激和免疫失衡.
- 现有的研究通常在ASD患者的不同细胞类型中报告这些问题.
研究的目的:
- 调查ASD儿童的线粒体活动 (氧气消耗率,细胞外酸化率) 和炎症标志物 (COX-2,YKL-40,IL-1β,IL-9),比较患有和没有回归到典型发育儿童 (TDC) 的儿童.
主要方法:
- 周围血液单核细胞 (PBMC) 从56名患有ASD的儿童 (21名退化,35名非退化) 和12名TDC中分离出来,年龄在1.11至11岁之间.
- 使用代谢分析仪评估了线粒体活性.
- 测量了IL-1β,IL-9,COX-2和YKL-40的基因和蛋白质水平.
主要成果:
- 与非回归ASD (ASD R(-)) 和TDC相比,患有ASD和回归 (ASD R(+)) 的儿童在PBMC中显著增加了最大呼吸,呼吸储能和质子泄漏.
- 没有回归的ASD儿童 (ASD R(-)) 显示出一种不平衡和增加的促炎分子水平,表明显著的炎症变化.
- 线粒体功能障碍在ASD R(+) 中更为明显,而炎症在ASD R(-) 中更为突出.
结论:
- 这项研究提供了新的证据,证明了免疫细胞和ASD儿童炎症相关分子的不同生物能特征.
- 这些发现表明,在ASD R(-),免疫失调和炎症可能会先于线粒体功能障碍,而在ASD R(+),最初的线粒体损伤可能会导致随后的免疫功能障碍.
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