Reliability and variation in mitochondrial respiration in human adipose tissue.

IF 3.5 4区 生物学 Q2 ENDOCRINOLOGY & METABOLISM Adipocyte Pub Date : 2021-12-01 DOI:10.1080/21623945.2021.1991617
Ronni Eg Sahl, Eva Frederikke Høy Helms, Malte Schmücker, Mathias Flensted-Jensen, Arthur Ingersen, Thomas Morville, Flemming Dela, Jørn Wulff Helge, Steen Larsen
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引用次数: 2

Abstract

Adipose tissue mitochondrial function is gaining increasing interest since it is a good marker of overall health. Methodological challenges and variability in assessing mitochondrial respiration in fresh adipose tissue with high-resolution respirometry are unknown and should be explored. Mitochondrial respiratory capacity (MRC) in human adipose tissue declines in a gradual manner when analyses are postponed 3 h and 24 h, with a statistically significant decline 24 h after obtaining the biopsy. This decline in MRC is associated with a reduced integrity of the outer mitochondrial membrane at both time points. This study suggests that the optimal amount of tissue to be used is 20 mg and that different technicians handling the biopsy do not affect MRC.

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人类脂肪组织中线粒体呼吸的可靠性和变异。
由于脂肪组织线粒体功能是整体健康状况的良好标志,因此它正获得越来越多的关注。用高分辨率呼吸测量法评估新鲜脂肪组织中线粒体呼吸的方法学挑战和可变性尚不清楚,应该进行探索。当分析延迟3 h和24 h时,人脂肪组织的线粒体呼吸能力(MRC)逐渐下降,在活检后24 h下降具有统计学意义。MRC的下降与两个时间点外线粒体膜完整性的降低有关。本研究表明,组织的最佳用量为20mg,不同的技术人员处理活检不影响MRC。
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来源期刊
Adipocyte
Adipocyte Medicine-Histology
CiteScore
6.50
自引率
3.00%
发文量
46
审稿时长
32 weeks
期刊介绍: Adipocyte recognizes that the adipose tissue is the largest endocrine organ in the body, and explores the link between dysfunctional adipose tissue and the growing number of chronic diseases including diabetes, hypertension, cardiovascular disease and cancer. Historically, the primary function of the adipose tissue was limited to energy storage and thermoregulation. However, a plethora of research over the past 3 decades has recognized the dynamic role of the adipose tissue and its contribution to a variety of physiological processes including reproduction, angiogenesis, apoptosis, inflammation, blood pressure, coagulation, fibrinolysis, immunity and general metabolic homeostasis. The field of Adipose Tissue research has grown tremendously, and Adipocyte is the first international peer-reviewed journal of its kind providing a multi-disciplinary forum for research focusing exclusively on all aspects of adipose tissue physiology and pathophysiology. Adipocyte accepts high-profile submissions in basic, translational and clinical research.
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