药物载体基因ABCB1中的多态性作为皮质醇产生上腺腺瘤的潜在疾病修饰剂
Frederick Vogel1, Leah Braun1, Sharmilee Vetrivel1
1Medizinische Klinik und Poliklinik IV, Ludwig-Maximilians-Universitat Munchen, Munich, Germany.
概括
ATP结合盒B1 (ABCB1) 基因多态 rs2032582 影响上腺腺瘤中的皮质醇代谢物分泌. 这一发现可能有助于解释内源性高皮质醇症患者的疾病严重程度变化.
科学领域:
- 内分泌学 在内分泌学.
- 遗传学 是一个遗传学.
- 代谢学 代谢学 代谢学
背景情况:
- 内源性高皮质醇症表现出可变的临床表现,对影响高皮质醇症水平或并发症严重程度的因素的理解有限.
- 上腺ATP结合盒B1 (ABCB1) 基因最近被确定为葡萄糖皮质激素分泌的调节者.
研究的目的:
- 调查ABCB1基因多态 rs2032582对被诊断为内源性高皮质醇症患者的类固醇代谢和临床特征的影响.
主要方法:
- 一项涉及137名来自德国库辛氏登记册的患者的横截面队列研究.
- 使用TaqMan基因定型对ABCB1多态的分析rs2032582.
- 通过气色谱-质谱学和系统的临床表型评估量化尿液24小时的葡萄糖皮质类代谢物分泌量.
主要成果:
- 在皮质醇产生上腺腺瘤的患者中,ABCB1 rs2032582的同位合主要基因基因GG与整体皮质醇代谢物分泌量增加和主要皮质醇代谢物 (αTHF,THF,TH) 的水平升高有关.
- 这些患者也表现出较高的平均动脉压,相比较于较小的同类细胞和异质细胞.
- 在患有产生ACTH的垂体腺瘤的患者中没有观察到显著的关联.
结论:
- ABCB1 rs2032582多态的基因型与皮质醇产生皮质醇的上腺腺瘤中的皮质醇代谢物分泌水平有关.
- 这种遗传变异可能在这个特定的患者群体中起到疾病严重程度的改变作用.
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