ArticleNutrition & diabetes2021
Countering impaired glucose homeostasis during catch-up growth with essential polyunsaturated fatty acids: is there a major role for improved insulin sensitivity?
Article in Nutrition & diabetes, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 11 citations in OpenAlex.
- Association of birth weight with type 2 diabetes mellitus and the mediating role of fatty acids traits: a two-step mendelian randomization study.Lipids in health and disease · 2024Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
objectivesCatch-up growth, an important risk factor for later obesity and type 2 diabetes, is often characterized by a high rate of fat deposition associated with hyperinsulinemia and glucose intolerance. We tested here the hypothesis that refeeding on a high-fat diet rich in essential polyunsaturated fatty acids (ePUFA) improves glucose homeostasis primarily by enhancing insulin sensitivity in skeletal muscles and adipose tissues.
methodsRats were caloric restricted for 2 weeks followed by 1-2 weeks of isocaloric refeeding on either a low-fat (LF) diet, a high-fat (HF) diet based on animal fat and high in saturated and monounsaturated fatty acids (HF SMFA diet), or a HF diet based on vegetable oils (1:1 mixture of safflower and linseed oils) and rich in the essential fatty acids linoleic and α-linolenic acids (HF ePUFA diet). In addition to measuring body composition and a test of glucose tolerance, insulin sensitivity was assessed during hyperinsulinemic-euglycemic clamps at the whole-body level and in individual skeletal muscles and adipose tissue depots.
resultsCompared to animals refed the LF diet, those refed the HF-SMFA diet showed a higher rate of fat deposition, higher plasma insulin and glucose responses during the test of glucose tolerance, and markedly lower insulin-stimulated glucose utilization at the whole body level (by a-third to a-half) and in adipose tissue depots (by 2-5 folds) during insulin clamps. While refeeding on the ePUFA diet prevented the increases in fat mass and in plasma insulin and glucose, the results of insulin clamps revealed that insulin-stimulated glucose utilization was not increased in skeletal muscles and only marginally higher in adipose tissues and at the whole-body level.
conclusionsThese results suggest only a minor role for enhanced insulin sensitivity in the mechanisms by which diets high in ePUFA improves glucose homeostasis during catch-up growth.
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