دورية أكاديمية

The D 3 -creatine dilution method non-invasively measures muscle mass in mice.

التفاصيل البيبلوغرافية
العنوان: The D 3 -creatine dilution method non-invasively measures muscle mass in mice.
المؤلفون: Wimer L; Buck Institute for Research on Aging, Novato, California, USA., Goncharova E; Buck Institute for Research on Aging, Novato, California, USA., Galkina S; Buck Institute for Research on Aging, Novato, California, USA., Nyangau E; Department of Nutritional Sciences and Toxicology, University of California, Berkeley, California, USA., Shankaran M; Department of Nutritional Sciences and Toxicology, University of California, Berkeley, California, USA., Davis A; Buck Institute for Research on Aging, Novato, California, USA., Prado L; Buck Institute for Research on Aging, Novato, California, USA., Munoz MC; Buck Institute for Research on Aging, Novato, California, USA., Epstein S; Buck Institute for Research on Aging, Novato, California, USA., Patterson C; Buck Institute for Research on Aging, Novato, California, USA., Shaum N; Astera Institute, Berkeley, California, USA., Hellerstein M; Department of Nutritional Sciences and Toxicology, University of California, Berkeley, California, USA., Evans W; Department of Nutritional Sciences and Toxicology, University of California, Berkeley, California, USA., Melov S; Buck Institute for Research on Aging, Novato, California, USA.
المصدر: Aging cell [Aging Cell] 2023 Aug; Vol. 22 (8), pp. e13897. Date of Electronic Publication: 2023 Jun 05.
نوع المنشور: Evaluation Study; Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Wiley-Blackwell Country of Publication: England NLM ID: 101130839 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1474-9726 (Electronic) Linking ISSN: 14749718 NLM ISO Abbreviation: Aging Cell Subsets: MEDLINE
أسماء مطبوعة: Publication: Oxford, UK : Wiley-Blackwell
Original Publication: Oxford, UK : Blackwell Pub., c2002-
مواضيع طبية MeSH: Body Composition* , Creatinine*/urine , Body Weights and Measures*/methods, Muscle, Skeletal ; Absorptiometry, Photon ; Animals ; Mice ; Male ; Female ; Mice, Inbred C57BL
مستخلص: Developing accurate methods to quantify age-related muscle loss (sarcopenia) could greatly accelerate development of therapies to treat muscle loss in the elderly, as current methods are inaccurate or expensive. The current gold standard method for quantifying sarcopenia is dual-energy X-ray absorptiometry (DXA) but does not measure muscle directly-it is a composite measure quantifying "lean mass" (muscle) excluding fat and bone. In humans, DXA overestimates muscle mass, which has led to erroneous conclusions about the importance of skeletal muscle in human health and disease. In animal models, DXA is a popular method for measuring lean mass. However, instrumentation is expensive and is potentially limited by anesthesia concerns. Recently, the D 3 -creatine (D 3 Cr) dilution method for quantifying muscle mass was developed in humans and rats. This method is faster, cheaper, and more accurate than DXA. Here, we demonstrate that the D 3 Cr method is a specific assay for muscle mass in mice, and we test associations with DXA and body weight. We evaluated the D 3 Cr method compared to DXA-determined lean body mass (LBM) in aged mice and reported that DXA consistently overestimates muscle mass with age. Overall, we provide evidence that the D 3 Cr dilution method directly measures muscle mass in mice. Combined with its ease of use, accessibility, and non-invasive nature, the method may prove to more quickly advance development of preclinical therapies targeting sarcopenia.
(© 2023 The Authors. Aging Cell published by Anatomical Society and John Wiley & Sons Ltd.)
التعليقات: Erratum in: Aging Cell. 2023 Dec;22(12):e13999. (PMID: 37781862)
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فهرسة مساهمة: Keywords: aging; mice; sarcopenia; skeletal muscle
المشرفين على المادة: AYI8EX34EU (Creatinine)
تواريخ الأحداث: Date Created: 20230605 Date Completed: 20230810 Latest Revision: 20240404
رمز التحديث: 20240404
مُعرف محوري في PubMed: PMC10410001
DOI: 10.1111/acel.13897
PMID: 37272263
قاعدة البيانات: MEDLINE
الوصف
تدمد:1474-9726
DOI:10.1111/acel.13897