Association of Genetic Variation in the Epithelial Sodium Channel Gene with Urinary Sodium Excretion and Blood Pressure

This study was performed to investigate whether genetic variation in the epithelial sodium channel (ENaC) is associated with 24-h urinary sodium excretion and blood pressure. A total of 3345 participants of the KoGES_Ansan and Ansung study were eligible for this study. Genomic DNA samples were isola...

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Veröffentlicht in:Nutrients 2018-05, Vol.10 (5), p.612
Hauptverfasser: Yang, Yoon Jung, Kim, Jihye, Kwock, Chang Keun
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description This study was performed to investigate whether genetic variation in the epithelial sodium channel (ENaC) is associated with 24-h urinary sodium excretion and blood pressure. A total of 3345 participants of the KoGES_Ansan and Ansung study were eligible for this study. Genomic DNA samples were isolated from peripheral blood and genotyped on the Affymetrix Genome-Wide Human SNP Array 5.0. Thirty-four single nucleotide polymorphisms (SNPs) were extracted for gene regions ( , , and ) as additive components by using Plink. Twenty-four-hour sodium excretions were estimated from spot urine samples using the Tanaka formula. The general linear model (GLM) was applied to assess the association between SNPs and urinary sodium excretion or blood pressure. In the gene, six SNPs (rs4073291, rs12934362, rs7404408, rs4494543, rs5735, and rs6497657) were significantly different in 24-h urinary sodium excretion according to gene variants. However, no difference was found in blood pressure among participants with gene variants of ENaC. Our finding indicated that 24-h urinary sodium excretions were different according to variants of the gene in large samples. Further studies to replicate these findings are warranted.
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A total of 3345 participants of the KoGES_Ansan and Ansung study were eligible for this study. Genomic DNA samples were isolated from peripheral blood and genotyped on the Affymetrix Genome-Wide Human SNP Array 5.0. Thirty-four single nucleotide polymorphisms (SNPs) were extracted for gene regions ( , , and ) as additive components by using Plink. Twenty-four-hour sodium excretions were estimated from spot urine samples using the Tanaka formula. The general linear model (GLM) was applied to assess the association between SNPs and urinary sodium excretion or blood pressure. In the gene, six SNPs (rs4073291, rs12934362, rs7404408, rs4494543, rs5735, and rs6497657) were significantly different in 24-h urinary sodium excretion according to gene variants. However, no difference was found in blood pressure among participants with gene variants of ENaC. Our finding indicated that 24-h urinary sodium excretions were different according to variants of the gene in large samples. Further studies to replicate these findings are warranted.</description><identifier>ISSN: 2072-6643</identifier><identifier>EISSN: 2072-6643</identifier><identifier>DOI: 10.3390/nu10050612</identifier><identifier>PMID: 29757959</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>blood ; Blood pressure ; Deoxyribonucleic acid ; DNA ; epithelium ; Excretion ; genes ; Genetic diversity ; genetic variation ; Genomes ; genotyping ; linear models ; Peripheral blood ; single nucleotide polymorphism arrays ; Single-nucleotide polymorphism ; Sodium ; Sodium channels ; Urine</subject><ispartof>Nutrients, 2018-05, Vol.10 (5), p.612</ispartof><rights>Copyright MDPI AG 2018</rights><rights>2018 by the authors. 2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c439t-4a92b4a1802f3d4ae18e443c247955ce7960eb690f75c1fa6c580561ee41f853</citedby><cites>FETCH-LOGICAL-c439t-4a92b4a1802f3d4ae18e443c247955ce7960eb690f75c1fa6c580561ee41f853</cites><orcidid>0000-0001-9395-0854</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5986492/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5986492/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,724,777,781,882,27905,27906,53772,53774</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29757959$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yang, Yoon Jung</creatorcontrib><creatorcontrib>Kim, Jihye</creatorcontrib><creatorcontrib>Kwock, Chang Keun</creatorcontrib><title>Association of Genetic Variation in the Epithelial Sodium Channel Gene with Urinary Sodium Excretion and Blood Pressure</title><title>Nutrients</title><addtitle>Nutrients</addtitle><description>This study was performed to investigate whether genetic variation in the epithelial sodium channel (ENaC) is associated with 24-h urinary sodium excretion and blood pressure. 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subjects blood
Blood pressure
Deoxyribonucleic acid
DNA
epithelium
Excretion
genes
Genetic diversity
genetic variation
Genomes
genotyping
linear models
Peripheral blood
single nucleotide polymorphism arrays
Single-nucleotide polymorphism
Sodium
Sodium channels
Urine
title Association of Genetic Variation in the Epithelial Sodium Channel Gene with Urinary Sodium Excretion and Blood Pressure
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