Dataset Information

Familial Hypercholesterolemia and Type 2 Diabetes in the Old Order Amish.

ABSTRACT: Alleles associated with lower levels of LDL cholesterol (LDL-C) have recently been associated with an increased risk of type 2 diabetes (T2D), highlighting the complex relationship between LDL-C and diabetes. This observation begs the question of whether LDL-C-raising alleles are associated with a decreased risk of T2D. This issue was recently addressed in a large familial hypercholesterolemia (FH) screening study, which reported a lower prevalence of self-reported diabetes in FH subjects than in age-matched relatives without FH. To extend this observation, we tested the association of FH with diabetes status and glycemia in a large Amish population enriched for the FH-associated APOB R3527Q variant that included 640 APOB R3527Q carriers and 4,683 noncarriers. Each copy of the R3527Q T allele was associated with a 74.9 mg/dL increase in LDL-C. There was little difference in T2D prevalence between subjects with (5.2%) and without (4.5%) the R3527Q allele (P = 0.23), and there was no association between R3527Q variant and impaired fasting glucose, fasting glucose or insulin, or oral glucose tolerance test-derived measures. Our data provide no evidence supporting an association between the APOB R3527Q variant and T2D or glycemia and highlight the asymmetry of the LDL-C-T2D relationship and/or the gene/variant-dependent specificity of the LDL-C-T2D association.

SUBMITTER: Xu H

PROVIDER: S-EPMC5482078 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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Publications

Familial Hypercholesterolemia and Type 2 Diabetes in the Old Order Amish.

Xu Huichun H Ryan Kathleen A KA Jaworek Thomas J TJ Southam Lorraine L Reid Jeffrey G JG Overton John D JD Baras Aris A Puurunen Marja K MK Zeggini Eleftheria E Taylor Simeon I SI Shuldiner Alan R AR Mitchell Braxton D BD

Diabetes 20170420 7

Alleles associated with lower levels of LDL cholesterol (LDL-C) have recently been associated with an increased risk of type 2 diabetes (T2D), highlighting the complex relationship between LDL-C and diabetes. This observation begs the question of whether LDL-C-raising alleles are associated with a decreased risk of T2D. This issue was recently addressed in a large familial hypercholesterolemia (FH) screening study, which reported a lower prevalence of self-reported diabetes in FH subjects than i ...[more]

PMID: 28428224

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Project description:Complementary and alternative medicine (CAM) in the form of vitamin and supplement use is increasingly prevalent in the United States. The interplay between CAM use and use of conventional medications is not well studied. We examined this issue in Old Order Amish (OOA), a population lacking several factors known to influence supplement use, whose culture and barriers to conventional medications may result in high rates of supplement use.We characterized the patterns of supplement use in OOA, including the extent to which CAM use aggregates in families, and assessed whether higher use of supplements is associated with lower medication use.We conducted a cross-sectional study of conventional medications and supplements in 2,372 adult Amish from the Lancaster County, PA, area. Data were collected through face-to-face interviews. Supplements were subcategorized as herbal vs vitamin/mineral supplements.Seventy-seven percent of all Amish adults reported current supplement use, whereas 22% reported medication use. Women used supplements more often and used more supplements than men, and familial aggregation of supplement use was stronger in family pairs involving women. Supplement use was associated with less medication use after controlling for age, sex, body mass index, and self-reported histories of hypertension, diabetes, and hyperlipidemia (adjusted odds ratio [OR] 0.96, 95% CI 0.92 to 1.00; P=0.047). This association was driven primarily by use of herbal supplements (adjusted OR 0.94, 95% CI 0.89 to 0.99; P=0.025) as vitamin/mineral supplements were not associated with different use of medication (adjusted OR 0.99, 95% CI 0.90 to 1.09; P=0.8). In analyses limited to cardiovascular medications and cardiovascular supplements in participants with hyperlipidemia, hypertension, or diabetes, supplement use was not associated with conventional medication use.OAA, particularly women, take dietary supplements much more frequently than they use conventional medications. Use of herbal supplements is associated with less use of conventional medications, whereas vitamin/mineral supplement use is not.

Dataset Information

Familial Hypercholesterolemia and Type 2 Diabetes in the Old Order Amish.

Publications

Familial Hypercholesterolemia and Type 2 Diabetes in the Old Order Amish.

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