相关实验视频
Updated: Jun 18, 2026

05:05
A Modified Precipitation Method to Isolate Urinary Exosomes
Published on: January 16, 2015
17.6K
多中心,前性,观察性研究,用于尿异位体生物标志物移植异位体纤维化
Mi Joung Kim1, Hye Eun Kwon1, Hye-Won Jang2
1Division of Kidney and Pancreas Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.
Scientific reports
|September 2, 2024
概括
尿外体微RNAs (miRNAs) 可以预测间歇性纤维化和管管缩 (IFTA) 在已故的捐赠脏的严重程度. 像miR-21和miR-29c这样的特定miRNA显示出有前途的生物标志物,用于在移植前评估质量.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學.
- 分子生物学分子生物学
- 生物标志物发现发现
背景情况:
- 在已故的捐赠脏中,间歇性纤维化和管状缩 (IFTA) 会对移植的存活产生负面影响.
- 准确评估IFTA严重程度对于优化移植结果至关重要.
- 在恢复之前需要非侵入性生物标志物来评估捐赠质量.
研究的目的:
- 在已故的捐赠脏中识别与间歇性纤维化和管状缩 (IFTA) 严重程度相关的尿外体微型RNA (miRNA) 生物标志物.
- 评估这些miRNAs作为IFTA预测器的潜力,用于移植的脏.
主要方法:
- 从109个已故捐赠者样本中分析尿道外体miRNA,根据IFTA存在 (IFTA分数≥1) 或缺席 (IFTA分数=0) 分类.
- 在文献综述的基础上选择了六种候选miRNAs (miR-19,miR-21,miR-29c,miR-150,miR-200b,miR-205).
- 量化分析miRNA表达和与IFTA严重性和移植后估计的淋巴细胞过率 (eGFR) 的相关性.
主要成果:
- 四个miRNAs (miR-21,miR-29c,miR-150,miR-205) 显著上调,一个 (miR-19) 在IFTA的脏下调.
- miR-21和miR-29c对IFTA的预测准确度显著 (AUC分别为0.762和0.795).
- 与"IFTA"组相比",没有IFTA"组在移植后一周表现出更高的eGFR (41.34对28.65毫升/分钟/1.73m2).
结论:
- 泌尿外体miRNAs,特别是miR-21和miR-29c,显示出作为评估已故捐赠脏IFTA严重性的非侵入性生物标志物的潜力.
- 这些miRNA生物标志物可以帮助在移植前评估捐赠质量.
- 需要进一步验证,以便将这些发现纳入移植的临床实践.
相关概念视频
Kidney Transplant I: Introduction
A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
Kidney Transplant II: Surgical Procedure
Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living donor...
Acute Kidney Injury IV: Diagnostic Studies and Prevention
Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...

