徳島大学 教育・研究者情報データベース(EDB)

1. (英) Harada Rie

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2. 木村 雅子(->個人[梶 雅子])

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3. 佐藤 康史([徳島大学.大学院医歯薬学研究部.医学域.連携研究部門(医学域).寄附講座系(医学域).地域消化器・総合内科学])

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4. 谷口 達哉

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5. 友成 哲

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6. 田中 貴大

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7. 田中 宏典([徳島大学.病院.先端医科医療開発研究プロジェクト]/[徳島大学.病院.診療科.内科.消化器内科])

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8. 六車 直樹

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9. (英) Shinomiya Hirohiko

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10. 本田 浩仁

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11. 井本 逸勢

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12. 曽我部 正弘([徳島大学.キャンパスライフ健康支援センター])

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13. 岡久 稔也([徳島大学.大学院医歯薬学研究部.医学域.連携研究部門(医学域).寄附講座系(医学域).地域総合医療学]/[徳島大学.病院.診療科.内科.消化器内科])

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14. 高山 哲治([徳島大学.大学院医歯薬学研究部.医学域.医科学部門.内科系.消化器内科学])

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(英) APOB codon 4311 polymorphism is associated with hepatitis C virus infection through altered lipid metabolism.

(英) It has been reported that some single-nucleotide polymorphisms (SNPs) in lipid regulators such as apolipoproteins and cell surface molecules for hepatitis C virus (HCV) entry into hepatocytes are associated with HCV infection. However, it is unknown how HCV infection is affected by altered lipid metabolism resulting from the SNPs. We investigated the relationship between these SNPs and HCV infection status, and also analyzed the mechanism by which these SNPs mediate HCV infection via lipid metabolism alterations. Serum lipid and apolipoprotein profiles were tested in 158 HCV-positive and 220 HCV-negative subjects. We selected 22 SNPs in five lipid regulator genes which were related to HCV entry into hepatocytes and to lipid metabolism (APOA1, APOB, SR-B1, LDLR, and APOE), and their polymorphisms were analyzed using the PCR-sequence-specific oligonucleotide probe-Luminex method. An APOB N4311S (g.41553a > g) SNP, rs1042034, was significantly associated with HCV positivity; the HCV positivity rate for the minor allele AA genotype was significantly higher than for genotype AG + GG (P = 0.016). Other SNPs except for APOB P2712L SNP rs676210, which is in linkage disequilibrium with rs1042034, showed no significant difference in genotype distribution. The serum level of low density lipoprotein-cholesterol (LDL-C) in the genotype AA group was significantly lower than in the genotype non-AA group (P = 0.032), whereas the triglyceride (TG) level was significantly higher (P = 0.007). An APOB SNP, rs1042034, is closely associated with HCV infection through lipid metabolism alteration. The minor allele AA genotype might contribute to facilitating serum LDL uptake into hepatocytes via LDLR by modifying their affinity and interaction and may have an influence on HCV infection by their entry to the liver through the LDLR.

1. (英) Article.ELocationID: 10.1186/s12876-018-0747-5

2. (英) Article.PublicationTypeList.PublicationType: Journal Article

3. (英) KeywordList.Keyword: ApoB

4. (英) KeywordList.Keyword: Hepatitis C virus

5. (英) KeywordList.Keyword: Lipid metabolism

6. (英) KeywordList.Keyword: SNPs