• Wenqi Wu, Chengyao Wan, Qiongni Xie, Xiaolin Liang, Jing Wen, and Zhenfang Liu.
• Department of Hematology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China.
• J Coll Physicians Surg Pak. 2020 Dec 1; 30 (12): 1291-1296.

ObjectiveTo explore the expression status of ANXA1 and DICER1 and their clinical significance in myelodysplastic syndromes (MDS) patients.  Study Design: A case control study.Place And Duration Of StudyDepartment of Hematology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China, from January 2011 to June 2020.MethodologyQuantitative real-time fluorescence PCR (qRT-PCR) was carried out to detect ANXA1 and DICER1 expression levels in the bone marrow from 49 MDS patients and 12 healthy volunteers as control. The correlation of the clinical parameters and ANXA1 or DICER1 expression was then analysed in MDS.ResultsCompared with normal controls, the expression of bone marrow ANXA1 and DICER1 in MDS patients was significantly decreased, especially in patients with secondary acute myeloid leukemia (s-AML). Moreover, down-expression of ANXA1 had a great effect on differentiating s-AML subjects from MDS cases, and DICER1 expression showed good performance to screen MDS subjects from normal controls. ANXA1 expression was negatively correlated with clinical features of poor prognosis such as the percentage of bone marrow blasts, IPSS and WHO subtypes.Conclusions Bone marrow ANXA1 may be a potential biomarker for the risk prediction of leukemia transformation in MDS. DICER1 may have diagnostic significance to MDS. Key Words: Myelodysplastic syndrome, Secondary acute myeloid leukemia, ANXA1, DICER1.

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