中华内科杂志
中華內科雜誌
중화내과잡지
CHINESE JOURNAL OF INTERNAL MEDICINE
2010年
2期
138-141
,共4页
吴吉芹%朱利平%区雪婷%徐斌%章强强%翁心华
吳吉芹%硃利平%區雪婷%徐斌%章彊彊%翁心華
오길근%주리평%구설정%서빈%장강강%옹심화
真菌病%多态性%限制性片段长度%细胞色素P_(450)2C19
真菌病%多態性%限製性片段長度%細胞色素P_(450)2C19
진균병%다태성%한제성편단장도%세포색소P_(450)2C19
Mycoses%Polymorphism%restriction fragment length%Cytochrome P_(450)CYP2C19
目的 探讨细胞色素P_(450)2C19(CYP2C19)遗传多态性在侵袭性真菌感染患者中的分布情况.方法 采用PCR-限制性片段长度多态性(PCR-RFLP)技术检测134例侵袭性真菌感染患者和134例健康对照者CYP2C19基因2个主要单核苷酸多态性位点CYP2C19*2和CYP2C19*3的基因型,比较两组各等位基因频率及代谢型的比例.结果 侵袭性真菌感染病例组CYP2C19*1等位基因频率为58.2%,CYP2C19*2等位基因频率为36.6%,CYP2C19*3 等位基因频率为5.2%.对照组CYP2C19*1等位基因频率为63.4%,CYP2C19*2 等位基因频率为34.3%,CYP2C19*3 等位基因频率为2.2%,两组间差异无统计学意义.侵袭性真菌感染组纯合快代谢、杂合快代谢以及慢代谢型比例分别为33.6%、50.0%、16.4%,对照组比例为40.3%、48.5%、11.2%,两组差异无统计学意义.结论 在本组侵袭性真菌感染患者以及健康人群中存在明显CYP2C19遗传多态性,且近2/3患者为杂合快代谢型或慢代谢型.因此,在治疗过程中应重视CYP2C19遗传多态性对药物代谢的影响.
目的 探討細胞色素P_(450)2C19(CYP2C19)遺傳多態性在侵襲性真菌感染患者中的分佈情況.方法 採用PCR-限製性片段長度多態性(PCR-RFLP)技術檢測134例侵襲性真菌感染患者和134例健康對照者CYP2C19基因2箇主要單覈苷痠多態性位點CYP2C19*2和CYP2C19*3的基因型,比較兩組各等位基因頻率及代謝型的比例.結果 侵襲性真菌感染病例組CYP2C19*1等位基因頻率為58.2%,CYP2C19*2等位基因頻率為36.6%,CYP2C19*3 等位基因頻率為5.2%.對照組CYP2C19*1等位基因頻率為63.4%,CYP2C19*2 等位基因頻率為34.3%,CYP2C19*3 等位基因頻率為2.2%,兩組間差異無統計學意義.侵襲性真菌感染組純閤快代謝、雜閤快代謝以及慢代謝型比例分彆為33.6%、50.0%、16.4%,對照組比例為40.3%、48.5%、11.2%,兩組差異無統計學意義.結論 在本組侵襲性真菌感染患者以及健康人群中存在明顯CYP2C19遺傳多態性,且近2/3患者為雜閤快代謝型或慢代謝型.因此,在治療過程中應重視CYP2C19遺傳多態性對藥物代謝的影響.
목적 탐토세포색소P_(450)2C19(CYP2C19)유전다태성재침습성진균감염환자중적분포정황.방법 채용PCR-한제성편단장도다태성(PCR-RFLP)기술검측134례침습성진균감염환자화134례건강대조자CYP2C19기인2개주요단핵감산다태성위점CYP2C19*2화CYP2C19*3적기인형,비교량조각등위기인빈솔급대사형적비례.결과 침습성진균감염병례조CYP2C19*1등위기인빈솔위58.2%,CYP2C19*2등위기인빈솔위36.6%,CYP2C19*3 등위기인빈솔위5.2%.대조조CYP2C19*1등위기인빈솔위63.4%,CYP2C19*2 등위기인빈솔위34.3%,CYP2C19*3 등위기인빈솔위2.2%,량조간차이무통계학의의.침습성진균감염조순합쾌대사、잡합쾌대사이급만대사형비례분별위33.6%、50.0%、16.4%,대조조비례위40.3%、48.5%、11.2%,량조차이무통계학의의.결론 재본조침습성진균감염환자이급건강인군중존재명현CYP2C19유전다태성,차근2/3환자위잡합쾌대사형혹만대사형.인차,재치료과정중응중시CYP2C19유전다태성대약물대사적영향.
Objective To investigate the polymorphism profile of cytochrome P_(450)2C19 (CYP2C19) in Chinese patients with invasive fungal infections. Methods Two major single nucleotide polymorphism loci of the CYP2C19 gene (CYP2C19 * 2 and CYP2C19 * 3) were genotyped with PCR and restriction fragment length polymorphism (PCR-RFLP) in 134 patients with invasive fungal infections and 134 healthy volunteers. Allele frequencies and the proportions of metabolizer phenotypes were compared. Results In patients with invasive fungal infections, CYP2C19 * 1, CYP2C19 * 2 and CYP2C19 * 3 alleles showed frequencies of 58.2%, 36.6% and 5.2%. In healthy volunteers, the frequencies of CYP2C19 * 1, CYP2C19 * 2 and CYP2C19 * 3 were 63.4% , 34. 3% and 2. 2%. There was no significant difference in allele frequencies between the two groups. Of the patients with invasive fungal infections, 33. 6% were homozygous extensive metabolizers, 50.0% heterozygous extensive metabolizers and 16.4% poor metabolizers. Of the healthy volunteers, 40.3% were homozygous extensive metabolizers, 48.5% heterozygous extensive metabolizers and 11. 2% poor metabolizers. The proportions of metabolizer phenotypes were similar between the two groups. Conclusions Significant CYP2C19 polymorphism was detected in both groups. Approximately two thirds of the Chinese patients were either heterozygous extensive metabolizers or poor metabolizers. The genetic polymorphism may have important effect on drug metabolism in these patients