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|a 24752991 (ISSN)
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|a Elevated LDL Cholesterol with a Carbohydrate-Restricted Diet: Evidence for a "lean Mass Hyper-Responder" Phenotype
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|b Oxford University Press
|c 2022
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|z View Fulltext in Publisher
|u https://doi.org/10.1093/cdn/nzab144
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|a Background: People commencing a carbohydrate-restricted diet (CRD) experience markedly heterogenous responses in LDL cholesterol, ranging from extreme elevations to reductions. Objectives: The aim was to elucidate possible sources of heterogeneity in LDL cholesterol response to a CRD and thereby identify individuals who may be at risk for LDL cholesterol elevation. Methods: Hypothesis-naive analyses were conducted on web survey data from 548 adults consuming a CRD. Univariate and multivariate regression models and regression trees were built to evaluate the interaction between body mass index (BMI) and baseline lipid markers. Data were also collected from a case series of five clinical patients with extremely high LDL cholesterol consuming a CRD. Results: BMI was inversely associated with LDL cholesterol change. Low triglyceride (TG) to HDL cholesterol ratio, a marker of good metabolic health, predicted larger LDL cholesterol increases. A subgroup of respondents with LDL cholesterol ≥200 mg/dL, HDL cholesterol ≥80 mg/dL, and TG ≤70 mg/dL were characterized as "lean mass hyper-responders."Respondents with this phenotype (n = 100) had a lower BMI and, remarkably, similar prior LDL cholesterol versus other respondents. In the case series, moderate reintroduction of carbohydrate produced a marked decrease in LDL cholesterol. Conclusions: These data suggest that, in contrast to the typical pattern of dyslipidemia, greater LDL cholesterol elevation on a CRD tends to occur in the context of otherwise low cardiometabolic risk. © 2021 The Author(s) 2021. Published by Oxford University Press on behalf of the American Society for Nutrition.
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|a atherosclerosis
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|a HDL cholesterol
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|a LDL cholesterol
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|a lean mass hyper-responder
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|a low-carbohydrate diet
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|a precision nutrition
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|a triglycerides
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|a Feldman, D.
|e author
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|a Kalayjian, T.
|e author
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|a Ludwig, D.S.
|e author
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|a Norwitz, N.G.
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|a Soto-Mota, A.
|e author
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|t Current Developments in Nutrition
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