Vitamin D level and risk of systemic lupus erythematosus and rheumatoid arthritis: a Mendelian randomization

Sang Cheol Bae, Young Ho Lee

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2 Citations (Scopus)

Abstract

The aim of this study was to examine whether the vitamin D level is causally associated with risk of systemic lupus erythematosus (SLE) or rheumatoid arthritis (RA). We performed two-sample Mendelian randomization (MR) analyses using the inverse-variance weighted (IVW), weighted median, and MR-Egger regression methods on publicly available summary statistics datasets using two vitamin D level genome-wide association studies (GWASs) as exposure and SLE and RA GWASs on people of European descent as outcomes. We selected three independent single-nucleotide polymorphisms located at SSTR4 (rs2207173), GC (rs2282679), and NADSYN1 (3829251) with genome-wide significance from two GWASs on vitamin D levels as instrumental variables. The IVW, weighted median, and MR-Egger regression methods yielded no evidence of a causal association between vitamin D level and risk of SLE (beta = 0.032, SE = 0.119, p = 0.789; beta = 0.233, SE = 0.274, p = 0.552; beta = 0.054, SE = 0.125, p = 0.665; respectively) or RA (beta = 0.026, SE = 0.061, p = 0.664; beta = 0.025, SE = 0.065, p = 0.695; beta = 0.025, SE = 0.065, p = 0.695; respectively). In addition, MR-Egger regression revealed directional pleiotropy was unlikely to be biasing the result for SLE (intercept = − 0.058, p = 0.545) or RA (intercept = − 0.027, p = 0.558). The MR estimates from IVW, weighted median, and MR-Egger regression analyses were consistent. MR analysis did not support a causal association between the vitamin D level and SLE or RA.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalClinical Rheumatology
DOIs
Publication statusAccepted/In press - 2018 May 24

Fingerprint

Random Allocation
Vitamin D
Systemic Lupus Erythematosus
Rheumatoid Arthritis
Mendelian Randomization Analysis
Genome-Wide Association Study
Single Nucleotide Polymorphism
Regression Analysis
Genome

Keywords

  • Mendelian randomization
  • RA
  • SLE
  • Telomere length

ASJC Scopus subject areas

  • Rheumatology

Cite this

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title = "Vitamin D level and risk of systemic lupus erythematosus and rheumatoid arthritis: a Mendelian randomization",
abstract = "The aim of this study was to examine whether the vitamin D level is causally associated with risk of systemic lupus erythematosus (SLE) or rheumatoid arthritis (RA). We performed two-sample Mendelian randomization (MR) analyses using the inverse-variance weighted (IVW), weighted median, and MR-Egger regression methods on publicly available summary statistics datasets using two vitamin D level genome-wide association studies (GWASs) as exposure and SLE and RA GWASs on people of European descent as outcomes. We selected three independent single-nucleotide polymorphisms located at SSTR4 (rs2207173), GC (rs2282679), and NADSYN1 (3829251) with genome-wide significance from two GWASs on vitamin D levels as instrumental variables. The IVW, weighted median, and MR-Egger regression methods yielded no evidence of a causal association between vitamin D level and risk of SLE (beta = 0.032, SE = 0.119, p = 0.789; beta = 0.233, SE = 0.274, p = 0.552; beta = 0.054, SE = 0.125, p = 0.665; respectively) or RA (beta = 0.026, SE = 0.061, p = 0.664; beta = 0.025, SE = 0.065, p = 0.695; beta = 0.025, SE = 0.065, p = 0.695; respectively). In addition, MR-Egger regression revealed directional pleiotropy was unlikely to be biasing the result for SLE (intercept = − 0.058, p = 0.545) or RA (intercept = − 0.027, p = 0.558). The MR estimates from IVW, weighted median, and MR-Egger regression analyses were consistent. MR analysis did not support a causal association between the vitamin D level and SLE or RA.",
keywords = "Mendelian randomization, RA, SLE, Telomere length",
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T1 - Vitamin D level and risk of systemic lupus erythematosus and rheumatoid arthritis

T2 - a Mendelian randomization

AU - Bae, Sang Cheol

AU - Lee, Young Ho

PY - 2018/5/24

Y1 - 2018/5/24

N2 - The aim of this study was to examine whether the vitamin D level is causally associated with risk of systemic lupus erythematosus (SLE) or rheumatoid arthritis (RA). We performed two-sample Mendelian randomization (MR) analyses using the inverse-variance weighted (IVW), weighted median, and MR-Egger regression methods on publicly available summary statistics datasets using two vitamin D level genome-wide association studies (GWASs) as exposure and SLE and RA GWASs on people of European descent as outcomes. We selected three independent single-nucleotide polymorphisms located at SSTR4 (rs2207173), GC (rs2282679), and NADSYN1 (3829251) with genome-wide significance from two GWASs on vitamin D levels as instrumental variables. The IVW, weighted median, and MR-Egger regression methods yielded no evidence of a causal association between vitamin D level and risk of SLE (beta = 0.032, SE = 0.119, p = 0.789; beta = 0.233, SE = 0.274, p = 0.552; beta = 0.054, SE = 0.125, p = 0.665; respectively) or RA (beta = 0.026, SE = 0.061, p = 0.664; beta = 0.025, SE = 0.065, p = 0.695; beta = 0.025, SE = 0.065, p = 0.695; respectively). In addition, MR-Egger regression revealed directional pleiotropy was unlikely to be biasing the result for SLE (intercept = − 0.058, p = 0.545) or RA (intercept = − 0.027, p = 0.558). The MR estimates from IVW, weighted median, and MR-Egger regression analyses were consistent. MR analysis did not support a causal association between the vitamin D level and SLE or RA.

AB - The aim of this study was to examine whether the vitamin D level is causally associated with risk of systemic lupus erythematosus (SLE) or rheumatoid arthritis (RA). We performed two-sample Mendelian randomization (MR) analyses using the inverse-variance weighted (IVW), weighted median, and MR-Egger regression methods on publicly available summary statistics datasets using two vitamin D level genome-wide association studies (GWASs) as exposure and SLE and RA GWASs on people of European descent as outcomes. We selected three independent single-nucleotide polymorphisms located at SSTR4 (rs2207173), GC (rs2282679), and NADSYN1 (3829251) with genome-wide significance from two GWASs on vitamin D levels as instrumental variables. The IVW, weighted median, and MR-Egger regression methods yielded no evidence of a causal association between vitamin D level and risk of SLE (beta = 0.032, SE = 0.119, p = 0.789; beta = 0.233, SE = 0.274, p = 0.552; beta = 0.054, SE = 0.125, p = 0.665; respectively) or RA (beta = 0.026, SE = 0.061, p = 0.664; beta = 0.025, SE = 0.065, p = 0.695; beta = 0.025, SE = 0.065, p = 0.695; respectively). In addition, MR-Egger regression revealed directional pleiotropy was unlikely to be biasing the result for SLE (intercept = − 0.058, p = 0.545) or RA (intercept = − 0.027, p = 0.558). The MR estimates from IVW, weighted median, and MR-Egger regression analyses were consistent. MR analysis did not support a causal association between the vitamin D level and SLE or RA.

KW - Mendelian randomization

KW - RA

KW - SLE

KW - Telomere length

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