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首页> 外文期刊>Journal of Korean medical science >DNA methylation changes following 5-azacitidine treatment in patients with myelodysplastic syndrome.
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DNA methylation changes following 5-azacitidine treatment in patients with myelodysplastic syndrome.

机译:骨髓增生异常综合症患者接受5-氮杂胞苷治疗后DNA甲基化变化。

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摘要

DNA methyltransferase inhibitor, 5-azacitidine (AC) is effective in myelodysplastic syndromes (MDS) and can induce re-expression in cancer. We analyzed the methylation of 25 tumor suppressor genes in AC-treated MDS. Hypermethylation of CDKN2B, FHIT, ESR1, and IGSF4 gene was detected in 9/44 patients. In concordance with the clinical response, a lack of or decreased methylation in 4 patients with hematologic improvements and persistent methylation in 4 others with no response was observed. The mRNA expression of CDKN2B, IGSF4, and ESR1 was significantly reduced in MDS. Our results suggest that methylation changes contribute to disease pathogenesis and may serve as marker to monitor the efficacy of treatments.
机译:DNA甲基转移酶抑制剂5-阿扎胞苷(AC)在骨髓增生异常综合症(MDS)中有效,并可以诱导癌症中的重新表达。我们分析了AC治疗的MDS中25种抑癌基因的甲基化。在9/44患者中检测到CDKN2B,FHIT,ESR1和IGSF4基因的甲基化过高。与临床反应一致,观察到4例血液学改善的患者缺乏甲基化或甲基化程度降低,而4例没有反应的其他患者持续出现甲基化现象。 MDS中CDKN2B,IGSF4和ESR1的mRNA表达显着降低。我们的研究结果表明甲基化变化有助于疾病的发病机理,并可以作为监测治疗效果的标志。

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