A low coefficient of variation in hepatic triglyceride concentration in an inbred rat strain

Tomoko Shimoda, Shota Hori, Kenta Maegawa, Akari Takeuchi, Yeonmi Lee, Ga Hyun Joe, Yasutake Tanaka, Hidehisa Shimizu, Satoshi Ishizuka

研究成果: Contribution to journalArticle

抜粋

Background: Inbred strains are characterized by less genetic variation, which suggests usefulness of inbred strains for evaluations of various parameters. In this study, experimental reproducibility in several parameters was compared between an outbred Wistar rat and Wistar King A Hokkaido (WKAH/HkmSlc) rat, the inbred strain that is originated from Wistar rats. Methods: Difference of variations was investigated in parameters of body compositions and liver functions such as body weight, liver weight, liver triglycerides (TG), liver cholesterol and plasma alanine aminotransferase activity (ALT) between WKAH rats and outbred Wistar rats by using the coefficient of variation (CV). Results: There was no difference in the CVs of body weight and relative liver weight between WKAH and Wistar rats. The CVs of body weight and relative liver weight were below 10% in both WKAH and Wistar rats. The CVs of TG, cholesterol, and ALT in Wistar rats were between 30 and 40%, whereas those in WKAH rats were between 10 and 25%. A low CV level of TG was observed in WKAH rats compared to that in Wistar rats regardless of the duration of the experimental period in those rat strains. Conclusion: The low CV values in metabolic parameters involved in liver functions in the inbred rats suggested an advantage of using inbred rather than outbred rats for the evaluation of liver lipid metabolism.

元の言語英語
記事番号137
ジャーナルLipids in Health and Disease
19
発行部数1
DOI
出版物ステータス出版済み - 6 16 2020

All Science Journal Classification (ASJC) codes

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology
  • Clinical Biochemistry
  • Biochemistry, medical

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    Shimoda, T., Hori, S., Maegawa, K., Takeuchi, A., Lee, Y., Joe, G. H., Tanaka, Y., Shimizu, H., & Ishizuka, S. (2020). A low coefficient of variation in hepatic triglyceride concentration in an inbred rat strain. Lipids in Health and Disease, 19(1), [137]. https://doi.org/10.1186/s12944-020-01320-9