使用DKI-ALPS评估性结肠炎中的淋巴功能障碍:一种创新的成像生物标志物
Cuiping Bao1, Yue Ma2, Muran Li3
1Department of Radiology, Tianjin Union Medical Center, The First Affiliated Hospital of Nankai University, Tianjin, 300121, China.
性结肠炎 (UC) 与大脑淋巴功能受损有关,正如下面沿周血管空间 (ALPS) 指数所示. 这种功能障碍与UC患者的炎症和肠道微生物群变化相关.
科学领域:
- 神经科学是一个神经科学.
- 胃肠病学 胃肠病学
- 医疗成像医学成像
背景情况:
- 性结肠炎 (UC) 与神经和心理相关疾病有关,包括焦虑,抑郁和认知缺陷.
- 大脑淋巴功能障碍已与这些并发症有关,但其与UC的具体关系尚不清楚.
研究的目的:
- 为了研究性结肠炎 (UC) 与大脑淋巴功能障碍之间的关联,使用沿周周血管空间 (ALPS) 指数.
- 探索肠道微生物群失调和炎症对UC患者大脑淋巴功能的影响.
主要方法:
- 63名UC患者和68名健康对照人接受了3-特斯拉MRI扫描,包括扩散张力成像 (DTI) 和扩散形成像 (DKI),以计算DTI-ALPS和DKI-ALPS指数.
- 参与者完成了认知和抑郁评估. 通过元基因组分析,UC患者还接受了炎症标志物和肠道微生物群组成的评估.
- 使用相关性和线性回归分析来检查ALPS指数,UC,炎症和微生物群之间的关系.
主要成果:
- 与对照组相比,UC患者的DTI-ALPS和DKI-ALPS指数明显较低 (P < 0.001).
- 在UC患者中较低的ALPS指数与疾病严重程度 (Mayo评分) 有负相关性,与肠道微生物群丰富性有正相关性,特别是SCFA生产者.
- 无论是DTI-ALPS还是DKI-ALPS指数,都显示出与系统性炎症标志物 (ESR,CRP,SII,INFLA,SIRI,IL-6,NLR) 的显著相关性. DKI-ALPS显示了更高的灵敏度.
结论:
- 性结肠炎与严重的脑淋巴功能障碍有关,由ALPS指数的降低证明.
- 炎症和UC中的肠道微生物群变化在淋巴功能障碍中起作用.
- 扩散曲解成像衍生ALPS指数 (DKI-ALPS) 是评估UC中的淋巴功能障碍的敏感生物标志物,提供潜在的治疗点.
更多相关视频
15:49Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
Published on: October 16, 2013
07:38Multimodal Quantitative Phase Imaging with Digital Holographic Microscopy Accurately Assesses Intestinal Inflammation and Epithelial Wound Healing
Published on: September 13, 2016
相关概念视频
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
