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Quantitative Detection of ID4 Gene Aberrant Methylation in the Differentiation of Myelodysplastic Syndrome from Aplastic Anemia / 中华医学杂志(英文版)
Chinese Medical Journal ; (24): 2019-2025, 2015.
Article in English | WPRIM | ID: wpr-335666
ABSTRACT
<p><b>BACKGROUND</b>The diagnosis of myelodysplastic syndrome (MDS), especially hypoplastic MDS, and MDS with low blast counts or normal karyotype may be problematic. This study characterized ID4 gene methylation in patients with MDS and aplastic anemia (AA).</p><p><b>METHODS</b>The methylation status of ID4 was analyzed by bisulfite sequencing polymerase chain reaction (PCR) and quantitative real-time methylation-specific PCR (MethyLight PCR) in 100 patients with MDS and 31 patients with AA.</p><p><b>RESULTS</b>The MDS group had a higher ID4 gene methylation positivity rate (22.22%) and higher methylation levels (0.21 [0-3.79]) than the AA group (P < 0.05). Furthermore, there were significant differences between the hypoplastic MDS and AA groups, the MDS with low blast count and the AA groups, and the MDS with normal karyotype and the AA groups. The combination of genetic and epigenetic markers was used in much more patients with MDS (62.5% [35/56]) than the use of genetic markers only (51.79% [29/56]).</p><p><b>CONCLUSIONS</b>These results showed that the detection of ID4 methylation positivity rates and levels could be a useful biomarker for MDS diagnosis.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Myelodysplastic Syndromes / CpG Islands / DNA Methylation / Inhibitor of Differentiation Proteins / Genetics / Anemia, Aplastic Type of study: Diagnostic study Limits: Adolescent / Adult / Aged / Aged80 / Child / Female / Humans / Male Language: English Journal: Chinese Medical Journal Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Myelodysplastic Syndromes / CpG Islands / DNA Methylation / Inhibitor of Differentiation Proteins / Genetics / Anemia, Aplastic Type of study: Diagnostic study Limits: Adolescent / Adult / Aged / Aged80 / Child / Female / Humans / Male Language: English Journal: Chinese Medical Journal Year: 2015 Type: Article