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Genetic alterations in 47 patients with a novel myelodysplastic syndrome diagnosis at a single center

  • Authors:
    • Pan Zhao
    • Jiayue Qin
    • Weiyi Liu
    • Richeng Quan
    • Haiyan Xiao
    • Chi Liu
    • Liu Li
    • Yan Lv
    • Qianze Zhu
    • Hongzhi Wang
    • Xiaoqing Guo
    • Juan Wang
    • Xiaomei Hu
  • View Affiliations / Copyright

    Affiliations: Department of Hematology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing 100091, P.R. China, Annoroad Gene Technology Co., Ltd., Beijing 100176, P.R. China
    Copyright: © Zhao et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 5077-5084
    |
    Published online on: September 12, 2019
       https://doi.org/10.3892/ol.2019.10853
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Abstract

At least one mutation is present in 70‑80% of patients with myelodysplastic syndrome (MDS). Genetic alterations and other molecular biological markers have been included in the diagnostic and treatment guidelines for MDS. The aim of the present study was to analyze the association between genetic alterations and clinicopathological features among 47 Chinese patients with a novel diagnosis of MDS using a next‑generation sequencing approach. The results indicated that from the 47 patients, 66.0% had genetic alterations. Furthermore, seven genes, U2 small nuclear RNA auxiliary factor 1 (23.4%), splicing factor 3b subunit (12.8%), ASXL transcriptional regulator 1 (10.6%), tet methylcytosine dioxygenase 2 (8.5%), BCL6 corepressor (8.5%), TP53 (8.5%) and DNA methyltransferase 3α (6.4%), indicated a higher prevalence of alterations in >5% of patients. Among the 16 (51.6%) patients with ≥2 mutations, 12 (75%) had mutations in different genetic functional groups. Variant allele frequencies in signaling pathways were generally low, suggesting that mutations in the corresponding genes were acquired relatively late during the evolution of the leukemic clones. The mutation prevalence rates of Janus kinase 2 and SH2B adaptor protein 3 were significantly higher in the MDS unclassified group and in the very high‑risk groups with a karyotype as a prognostic indicator, respectively (both P<0.05). The mutation prevalence rates of SET binding protein 1 and enhancer of zeste 2 polycomb repressive complex 2 subunit were significantly higher in the high‑risk group (both P<0.05). In summary, 66.0% of the 47 patients with a novel MDS diagnosis had a genetic mutation as detected by 127‑target gene next‑generation sequencing. The results for the genetic alterations in the present study will supplement the database of patients with MDS in China.
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Copy and paste a formatted citation
Spandidos Publications style
Zhao P, Qin J, Liu W, Quan R, Xiao H, Liu C, Li L, Lv Y, Zhu Q, Wang H, Wang H, et al: Genetic alterations in 47 patients with a novel myelodysplastic syndrome diagnosis at a single center. Oncol Lett 18: 5077-5084, 2019.
APA
Zhao, P., Qin, J., Liu, W., Quan, R., Xiao, H., Liu, C. ... Hu, X. (2019). Genetic alterations in 47 patients with a novel myelodysplastic syndrome diagnosis at a single center. Oncology Letters, 18, 5077-5084. https://doi.org/10.3892/ol.2019.10853
MLA
Zhao, P., Qin, J., Liu, W., Quan, R., Xiao, H., Liu, C., Li, L., Lv, Y., Zhu, Q., Wang, H., Guo, X., Wang, J., Hu, X."Genetic alterations in 47 patients with a novel myelodysplastic syndrome diagnosis at a single center". Oncology Letters 18.5 (2019): 5077-5084.
Chicago
Zhao, P., Qin, J., Liu, W., Quan, R., Xiao, H., Liu, C., Li, L., Lv, Y., Zhu, Q., Wang, H., Guo, X., Wang, J., Hu, X."Genetic alterations in 47 patients with a novel myelodysplastic syndrome diagnosis at a single center". Oncology Letters 18, no. 5 (2019): 5077-5084. https://doi.org/10.3892/ol.2019.10853
Copy and paste a formatted citation
x
Spandidos Publications style
Zhao P, Qin J, Liu W, Quan R, Xiao H, Liu C, Li L, Lv Y, Zhu Q, Wang H, Wang H, et al: Genetic alterations in 47 patients with a novel myelodysplastic syndrome diagnosis at a single center. Oncol Lett 18: 5077-5084, 2019.
APA
Zhao, P., Qin, J., Liu, W., Quan, R., Xiao, H., Liu, C. ... Hu, X. (2019). Genetic alterations in 47 patients with a novel myelodysplastic syndrome diagnosis at a single center. Oncology Letters, 18, 5077-5084. https://doi.org/10.3892/ol.2019.10853
MLA
Zhao, P., Qin, J., Liu, W., Quan, R., Xiao, H., Liu, C., Li, L., Lv, Y., Zhu, Q., Wang, H., Guo, X., Wang, J., Hu, X."Genetic alterations in 47 patients with a novel myelodysplastic syndrome diagnosis at a single center". Oncology Letters 18.5 (2019): 5077-5084.
Chicago
Zhao, P., Qin, J., Liu, W., Quan, R., Xiao, H., Liu, C., Li, L., Lv, Y., Zhu, Q., Wang, H., Guo, X., Wang, J., Hu, X."Genetic alterations in 47 patients with a novel myelodysplastic syndrome diagnosis at a single center". Oncology Letters 18, no. 5 (2019): 5077-5084. https://doi.org/10.3892/ol.2019.10853
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