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http://purl.uniprot.org/citations/24570294http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/24570294http://www.w3.org/2000/01/rdf-schema#comment"

Unlabelled

Using mediation analysis, a causal relationship between the AHSG gene and bone mineral density (BMD) through fetuin-A and body mass index (BMI) mediators was suggested.

Introduction

Fetuin-A, a multifunctional protein of hepatic origin, is associated with bone mineral density. It is unclear if this association is causal. This study aimed at clarification of this issue.

Methods

A cross-sectional study was conducted among 1,741 healthy workers from the Electricity Generating Authority of Thailand (EGAT) cohort. The alpha-2-Heremans-Schmid glycoprotein (AHSG) rs2248690 gene was genotyped. Three mediation models were constructed using seemingly unrelated regression analysis. First, the ln[fetuin-A] group was regressed on the AHSG gene. Second, the BMI group was regressed on the AHSG gene and the ln[fetuin-A] group. Finally, the BMD model was constructed by fitting BMD on two mediators (ln[fetuin-A] and BMI) and the independent AHSG variable. All three analyses were adjusted for confounders.

Results

The prevalence of the minor T allele for the AHSG locus was 15.2%. The AHSG locus was highly related to serum fetuin-A levels (P < 0.001). Multiple mediation analyses showed that AHSG was significantly associated with BMD through the ln[fetuin-A] and BMI pathway, with beta coefficients of 0.0060 (95% CI 0.0038, 0.0083) and 0.0030 (95% CI 0.0020, 0.0045) at the total hip and lumbar spine, respectively. About 27.3 and 26.0% of total genetic effects on hip and spine BMD, respectively, were explained by the mediation effects of fetuin-A and BMI.

Conclusions

Our study suggested evidence of a causal relationship between the AHSG gene and BMD through fetuin-A and BMI mediators."xsd:string
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http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/author"Chailurkit L."xsd:string
http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/author"Chanprasertyothin S."xsd:string
http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/author"Ongphiphadhanakul B."xsd:string
http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/author"Thakkinstian A."xsd:string
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http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/author"Ratanachaiwong W."xsd:string
http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/author"Sritara C."xsd:string
http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/author"Vathesatogkit P."xsd:string
http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/date"2014"xsd:gYear
http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/name"Osteoporos Int"xsd:string
http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/pages"1555-1562"xsd:string
http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/title"Causal relationship between the AHSG gene and BMD through fetuin-A and BMI: multiple mediation analysis."xsd:string
http://purl.uniprot.org/citations/24570294http://purl.uniprot.org/core/volume"25"xsd:string
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