한국인에게서 ATP2B1 유전 변이가 비만 정도에 따른 수축기혈압과 이완기 혈압에 미치는 영향 = Effects of ATP2B1 Variants on the Systolic and Diastolic Blood Pressure according to the Degree of Obesity in the South Korean Population

다국어 초록 (Multilingual Abstract)

Hypertension often leads to cardiovascular disease and kidney disease, and hypertention is an important worldwide problem. Body mass index (BMI) has an important role for raising blood pressure. Further, hypertension can be affected by both environmental factors and genetic factors. Many single nucleotide polymorphisms have been associated with hypertension. Genome wide association study (GWAS) is a method of confirming a new locus of increasing the risk of disease, and GWAS has confirmed several single nucleotide polymorphisms (SNPs) that are associated with high blood pressure. This study analyzed the relationship between systolic blood pressure, diastolic blood pressure and SNP of the ATP2B1 gene in 994 Koreans. SNPs that showed the highest statistical significance with systolic and diastolic blood pressures were selected on the multiple linear regression analysis. One-way analysis of variance for systolic and diastolic blood pressures was performed, and multiple logistic regression analysis was performed on the risk of hypertension. The P values were two-tailed, and P＜0.05 was considered significant. Four SNPs were associated with systolic blood pressure and six SNPs were associated with diastolic blood pressure. In addition, a genotype-based analysis showed significant odds ratios for the risk of hypertension in older men (adjusted OR, 5.743; 95% CI, 1.173∼28.121; P=0.031). This study suggests that the ATP2B1 variants affect both the systolic and diastolic blood pressure.

국문 초록 (Abstract)

고혈압은 종종 심혈관 질환 및 신장 질환으로 이어지며 전 세계적으로 중요한 문제이다. 유전적으로 많은 단일 염기 다형성이 고혈압과 관련이 있다. 많은 GWAS 연구에서 ATP2B1 유전자가 혈압과 연관성이 높다는 것을 발견했다. 본 연구에서는 한국인 994명을 대상으로 수축기 혈압, 이완기 혈압과 ATP2B1 유전자의 SNP와 연관성을 분석하였다. 또한, BMI수치에 따라하위그룹으로 계층화하여 차이가 있는지 확인하고자 하였다. 다중선형회귀분석에서 수축기 혈압 및 이완기 혈압과 가장 높은통계적 유의성을 보인 SNP를 선정하였다. 수축기 혈압과 이완기 혈압에서의 one-way analysis of variance를 시행하였고, 고혈압 발생 위험에 대한 다중로지스틱회귀분석을 시행하였다. 다중로지스틱회귀분석은 연령 기준으로 구분하여 시행하였으며, 연령, BMI, 공복 시 혈당을 통제한 방법에서 비교하였다. 수축기 혈압에서는 4개의 SNP (rs10506974, rs7136259, rs17249754, rs17836882)가, 이완기 혈압에서는 6개의 SNP (rs10506974, rs10777237, rs7136259, rs17249754, rs1371075, rs10506983)가 유의하게 관련성을 보였다. 추가적으로, 유전자형(genotype)에 따른 분석에서는 남성에게서고혈압 위험에 대한 유의한 odd ratio 값을 보였다. 본 연구는ATP2B1 다형성이 수축기 혈압과 이완기 혈압에 영향을 미치는것을 제안한다.

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