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生长激素促分泌素受体(GHSR)rs2922126基因多态性与非酒精性脂肪性肝病易感性的关系

韩雪 王红程 刘守胜 辛永宁 赵真真

引用本文:
Citation:

生长激素促分泌素受体(GHSR)rs2922126基因多态性与非酒精性脂肪性肝病易感性的关系

DOI: 10.12449/JCH250915
基金项目: 

国家自然科学基金 (32171277)

伦理学声明:本研究方案于2024年6月6日经由青岛市市立医院伦理委员会审批,批号:2024-LW-066(快),所纳入患者均签署知情同意书。
利益冲突声明:本文不存在任何利益冲突。
作者贡献声明:韩雪负责课题设计,资料分析,撰写论文;王红程、刘守胜参与收集数据,数据分析,修改论文;辛永宁、赵真真负责拟定写作思路,指导撰写文章并最后定稿。
详细信息
    通信作者:

    辛永宁, xinyongning@163.com (ORCID: 0000-0002-3692-7655)

    赵真真, qdzzz1987@163.com (ORCID: 0000-0002-5883-1056)

Association of growth hormone secretagogue receptor rs2922126 gene polymorphism with susceptibility to non-alcoholic fatty liver disease

Research funding: 

National Natural Science Foundation of China (32171277)

More Information
  • 摘要:   目的  研究生长激素促分泌素受体(GHSR)rs2922126位点基因多态性与青岛地区汉族人群非酒精性脂肪性肝病(NAFLD)遗传易感性,为疾病诊疗提供诊疗依据。  方法  纳入2022年6月—2023年6月就诊于青岛市市立医院的220例经影像学确诊的NAFLD患者为NAFLD组,纳入167例同期健康人群为对照组。采集受试者空腹血液样本,检测相关生化指标,并提取全血DNA,采用聚合酶链反应及MALDI-TOF质谱仪进行基因分型测定。计数资料两组间比较采用χ2检验,计量资料两组间比较采用成组t检验或Mann-Whitney U检验;采用二元Logistic回归模型分析患病风险的关系。  结果  NAFLD组受试者年龄、BMI、空腹血糖(FBG)、TG、GGT、ALP、ALT、AST水平均显著高于对照组,而HDL水平明显低于对照组(P值均<0.05)。GHSR rs2922126基因型分布符合哈迪-温伯格定律,证明纳入的受试者具有群体代表性(NAFLD组:P=0.106;对照组:P=0.849)。GHSR rs2922126位点共AA、TA、TT三种基因型,在对照组及NAFLD组之间分布无显著差异(P=0.099);两组的等位基因频率分布亦无统计学差异(P=0.063)。在A等位基因的隐性模型中,两组间AA纯合子与TA+TT基因型频率分布差异具有统计学意义(χ2=4.609,P=0.032),回归模型分析显示,AA纯合子携带者相对TA+TT基因型携带者NAFLD的发病风险增加(OR=1.712, 95%CI: 1.045~2.807,P=0.033),校正年龄、性别、BMI后差异仍具有统计学意义(OR=2.156, 95%CI: 1.221~3.808,P=0.008)。在NAFLD患者组中,AA基因型携带者血清TC水平高于TT+TA携带者(Z=-1.99,P=0.046)。  结论  在青岛地区汉族人群中,GHSR rs2922126 AA基因型可能与NAFLD风险增高有关,携带GHSR rs2922126 AA基因型与NAFLD患者TC水平升高有关。

     

  • 表  1  对照组与NAFLD组临床特征与生化指标比较

    Table  1.   Comparison of clinical characteristics and biochemical indicators between NAFLD and control group

    指标 对照组(n=167) NAFLD组(n=220) 统计值 P
    女/男(例) 87/80 111/109 χ2=0.10 0.749
    年龄(岁) 43.97±10.94 52.85±12.83 t=-7.19 <0.001
    BMI(kg/m2 24.26(21.85~27.10) 26.80(24.60~29.10) Z=-5.13 <0.001
    FPG(mmol/L) 4.91(4.49~5.19) 5.12(4.60~5.86) Z=-2.78 0.005
    TC(mmol/L) 4.99±1.12 5.15±1.23 t=-1.09 0.273
    TG(mmol/L) 1.05(0.79~1.46) 1.72(1.14~2.42) Z=-6.78 <0.001
    HDL(mmol/L) 1.30(1.13~1.46) 1.15(1.00~1.32) Z=-4.10 <0.001
    LDL(mmol/L) 3.10(2.47~3.46) 3.12(2.63~3.55) Z=-1.09 0.276
    ALT(U/L) 17.80(12.97~26.15) 28.22(17.61~41.19) Z=-5.57 <0.001
    AST(U/L) 20.00(16.22~24.00) 24.41(19.79~32.96) Z=-5.49 <0.001
    GGT(U/L) 18.00(12.00~26.00) 30.22(21.62~53.26) Z=-7.09 <0.001
    ALP(U/L) 74.66(60.35~87.06) 87.17(72.32~103.66) Z=-3.68 <0.001
    下载: 导出CSV

    表  2  GHSR rs2922126位点基因型和等位基因频率在两组间的分布

    Table  2.   Distribution of genotype and allele frequencies at GHSRrs2922126 between two groups

    项目 对照组
    n=167)
    NAFLD组
    n=220)
    χ2 P
    基因型[例(%)] 4.623 0.099
    AA 30(18.0) 60(27.3)
    TA 83(49.7) 98(44.5)
    TT 54(32.3) 62(28.3)
    等位基因[例(%)] 3.457 0.063
    A 143(42.8) 218(49.5)
    T 191(57.2) 222(50.5)
    显性模型[例(%)] 0.780 0.377
    AA+TA 113(67.7) 158(71.8)
    TT 54(32.3) 62(28.2)
    隐性模型[例(%)] 4.609 0.032
    TT+TA 137(82.0) 160(72.7)
    AA 30(18.0) 60(27.3)
    下载: 导出CSV

    表  3  GHSR rs2922126在不同基因模型下的回归分析

    Table  3.   Regression analysis of GHSR rs2922126 under different gene models

    模型 未校正 校正后1)
    OR(95%CI P OR(95%CI P
    隐性模型
    AA 1.712(1.045~2.807) 0.033 2.156(1.221~3.808) 0.008
    TT+TA 1.000 1.000
    显性模型
    TT 1.218(0.786~1.886) 0.377 1.367(0.842~2.221) 0.206
    TA+AA 1.000 1.000

    注:1)校正年龄、性别与BMZ。

    下载: 导出CSV

    表  4  全部受试者GHSR rs2922126不同等位基因携带者生化指标比较

    Table  4.   Comparison of biochemical indexes of different allele carriers of GHSR rs2922126 in all subjects

    指标 AA(n=90) TA+TT(n=297) 统计值 P
    女/男(例) 48/42 150/147 χ2=0.22 0.638
    年龄(岁) 50.00±15.81 48.87±13.62 t=0.62 0.539
    BMI(kg/m2 25.64±3.26 26.67±4.75 t=-1.89 0.060
    FPG(mmol/L) 5.06(4.48~5.71) 5.04(4.60~5.79) Z=-0.47 0.641
    TC(mmol/L) 5.24±0.96 5.05±1.26 t=1.59 0.116
    TG(mmol/L) 1.32(0.98~2.15) 1.47(0.95~2.06) Z=-0.47 0.655
    HDL(mmol/L) 1.27(1.04~1.50) 1.18(1.04~1.35) Z=-1.94 0.053
    LDL(mmol/L) 3.10(2.67~3.54) 3.12(2.53~3.53) Z=-0.04 0.966
    ALT(U/L) 22.85(13.91~34.59) 23.00(15.58~37.05) Z=-0.83 0.409
    AST(U/L) 22.82(18.46~27.45) 22.05(18.51~29.79) Z=-0.16 0.872
    GGT(U/L) 27.00(17.32~48.84) 24.11(17.00~42.74) Z=-0.87 0.837
    ALP(U/L) 83.54(66.47~103.38) 85.64(71.35~99.91) Z=-0.50 0.620
    下载: 导出CSV

    表  5  NAFLD组GHSR rs2922126不同等位基因携带者生化指标比较

    Table  5.   Comparison of biochemical indexes of different allele carriers of GHSR rs2922126 in the NAFLD group

    指标 AA(n=59) TA+TT(n=160) 统计值 P
    女/男(例) 32/27 78/82 χ2=0.52 0.471
    年龄(岁) 55.16±14.73 52.34±12.54 t=1.39 0.166
    BMI(kg/m2 26.24(24.33~28.19) 27.17(24.55~29.67) Z=-1.76 0.079
    FPG(mmol/L) 5.22(4.56~5.80) 5.11(4.62~6.10) Z=-0.22 0.828
    TC(mmol/L) 5.31(4.74~6.07) 4.99(4.31~5.77) Z=-1.99 0.046
    TG(mmol/L) 1.51(1.17~2.27) 1.76(1.14~2.44) Z=-0.61 0.545
    HDL(mmol/L) 1.22(1.02~1.42) 1.13(0.99~1.30) Z=-1.69 0.092
    LDL(mmol/L) 3.11(2.68~3.57) 3.13(2.62~3.53) Z=-0.40 0.690
    ALT(U/L) 26.17(15.03~36.69) 28.51(18.00~46.45) Z=-1.52 0.130
    AST(U/L) 24.97(19.76~32.30) 24.36(19.76~34.26) Z=-0.59 0.559
    GGT(U/L) 30.74(21.97~58.07) 30.12(21.13~50.38) Z=-0.42 0.677
    ALP(U/L) 90.13(75.87~108.64) 86.47(71.53~103.23) Z=-0.69 0.493
    下载: 导出CSV

    表  6  GHSR rs2922126基因型肝纤维化风险比较

    Table  6.   Comparison of the risk of liver fibrosis with the GHSR rs2922126 genotype

    项目 例数 AA TA+TT
    纤维化低风险 84 19(31.7) 65(40.6)
    纤维化高风险 136 41(68.3) 95(59.4)
    χ2 1.484
    P 0.223
    下载: 导出CSV
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