ArticleDiabetes2026
Adipose Tissue Resistance to the Antilipolytic Effect of Insulin and Niacin in Humans With Obesity.
Article in Diabetes, 2026. 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.
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Authors and funding
4 authors.
Funding
Abstract
Adipose tissue (AT) lipolysis insulin resistance results in excess free fatty acid (FFA) release. We tested the hypothesis that the ability of insulin to suppress AT lipolysis is unrelated to the ability of niacin to suppress lipolysis, because niacin acts through a different proximal signaling pathway. Ten volunteers (5 women and 5 men) with upper-body obesity and/or type 2 diabetes mellitus (T2DM) underwent two study visits with overnight intravenous infusions of niacin (1.4 mg/min) or saline, followed by a hyperinsulinemic-euglycemic clamp. FFA-palmitate Ra was measured using [U-13C] and [2H9]palmitate infusions; abdominal AT biopsies were performed before and during the insulin clamp. The suppression of FFA-palmitate Ra by insulin on the saline control day and by niacin after an overnight infusion were highly correlated (r = -0.93, P < 0.001). Fasting AT Akt (pAktS473/474-to-panAkt ratio, P = 0.01) and perilipin 1 (PLN1) (pPLN1S552-to-panPLN1 ratio, P = 0.02) phosphorylation were less during niacin treatment than in the saline control study. Because the suppression of lipolysis by insulin and niacin are highly correlated within individuals and because niacin and insulin act through different proximal signaling pathways, we propose dysregulated AT lipolysis in obesity/T2DM is due to dysfunction(s) in distal lipolysis proteins rather than isolated "insulin resistance." ARTICLE HIGHLIGHTS: We undertook this study to compare adipose tissue lipolysis responses to insulin and niacin in humans. We tested the hypothesis that adipose tissue insulin resistance would be unrelated to adipose tissue niacin resistance. The suppression of lipolysis by insulin and niacin were highly correlated. Dysregulated adipose tissue lipolysis in obesity/type 2 diabetes is due to dysfunction(s) in distal lipolysis proteins rather than isolated "insulin resistance."
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Registered trials
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