J. Ziegler

Publications70
h-index31
Citations4,287
Highly Influential Citations124
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Identification of IRAK1 as a risk gene with critical role in the pathogenesis of systemic lupus erythematosus
A combined forward and reverse genetic approach was undertaken to test the candidacy of IRAK1 (interleukin-1 receptor associated kinase-1) as an X chromosome-encoded risk factor for systemic lupus… Expand
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Analysis of FTO gene variants with measures of obesity and glucose homeostasis in the IRAS Family Study
Multiple studies have identified FTO gene variants associated with measures of adiposity in European-derived populations. The objective of the study was to determine whether FTO variants were… Expand
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Association of Genetic Variants in Complement Factor H and Factor H-Related Genes with Systemic Lupus Erythematosus Susceptibility
Systemic lupus erythematosus (SLE), a complex polygenic autoimmune disease, is associated with increased complement activation. Variants of genes encoding complement regulator factor H (CFH) and five… Expand
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Identification of IRF8, TMEM39A, and IKZF3-ZPBP2 as susceptibility loci for systemic lupus erythematosus in a large-scale multiracial replication study.
Systemic lupus erythematosus (SLE) is a chronic heterogeneous autoimmune disorder characterized by the loss of tolerance to self-antigens and dysregulated interferon responses. The etiology of SLE is… Expand
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A polymorphism within IL21R confers risk for systemic lupus erythematosus.
OBJECTIVE Interleukin-21 (IL-21) is a member of the type I cytokine superfamily that has a variety of effects on the immune system, including B cell activation, plasma cell differentiation, and… Expand
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The impact of FADS genetic variants on ω6 polyunsaturated fatty acid metabolism in African Americans
BackgroundArachidonic acid (AA) is a long-chain omega-6 polyunsaturated fatty acid (PUFA) synthesized from the precursor dihomo-gamma-linolenic acid (DGLA) that plays a vital role in immunity and… Expand
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Fine mapping of Xq28: both MECP2 and IRAK1 contribute to risk for systemic lupus erythematosus in multiple ancestral groups
Objectives The Xq28 region containing IRAK1 and MECP2 has been identified as a risk locus for systemic lupus erythematosus (SLE) in previous genetic association studies. However, due to the strong… Expand
  • 79
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A Genome-Wide Association Search for Type 2 Diabetes Genes in African Americans
African Americans are disproportionately affected by type 2 diabetes (T2DM) yet few studies have examined T2DM using genome-wide association approaches in this ethnicity. The aim of this study was to… Expand
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Differences in arachidonic acid levels and fatty acid desaturase (FADS) gene variants in African Americans and European Americans with diabetes or the metabolic syndrome.
Over the past 50 years, increases in dietary n-6 PUFA, such as linoleic acid, have been hypothesised to cause or exacerbate chronic inflammatory diseases. The present study examines an individual's… Expand
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Bone mineral density in adolescent females using injectable or oral contraceptives: a 24-month prospective study.
OBJECTIVE To determine whether bone mineral density (BMD) is lower in hormonal-contraceptive users than in an untreated comparison group. DESIGN Observational, prospective cohort; 24-month… Expand
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