[1]Department of Gerontology, Neuromed Campus, Kepler University Clinic, Linz 4020, Austria;
[2]Division of Medical Biochemistry, Biocenter, Innsbruck Medical University, Innsbruck 6020, Austria;
[3]Biovis Diagnostik MVZ GmbH, Limburg 65549, Germany;
[4]Division of Biological Chemistry, Biocenter, Innsbruck Medical University, Innsbruck 6020, Austria;
肠道菌群; 患者; 认知功能; 梭状芽孢杆菌; 认知障碍; 抗胰蛋白酶; 增龄性变化; 免疫激活;