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Abstracts PO11

Assessment of the plasma levels of Growth Differentiation Factor 11 as a potential distinguishing biomarker between essential thrombocytosis and bone marrow myelofibrosis

Mohamed El Agder, MD; Enas Gouda, Md; Ahmed Hamid, MD
Introduction/Background/Significance:

Previous studies address the role of  GDF11 in initiation and progression of fibrosis in different pathological conditions. However, its role in  bone marrow fibrosis  is not  previously addressed. This study aimed to assess  plasma levels as possible  differentiating  biomarker between  essential thrombocytosis (ET)  and  bone marrow myelofibrosis (MF).



Materials and Methods/Case Presentation/Objective:

This study included  78 patients diagnosed  as   ET,    44  patients  with  MF and  100 control subjects. For  all studied groups  plasma  GDF11  levels  was assessed by ELISA.



Results/Description/Main Outcome Measure(s):

The platelets count is significantly higher in the ET group when compared to both the MF and control groups, whereas the MF group exhibited a notable decrease in platelet count relative to the control group. The concentration of plasma GDF11 levels are markedly higher in the ET group  as compared to MF group followed by control group. No significant  association  between the presence or absence of genetic mutations (JAK2, CALR) in relation to GDF11plasma levels in ET and MF. ROC analysis revealed that the best cut-off value for GDF11  plasma levels is 4.7, which can distinguish between ET and MF with a sensitivity of 90.9% and a specificity of 100%.



Conclusion(s).: GDF11 plasma levels could  serve as novel biomarker that  could differentiate between ET and MF

Trademarked Items: GDF11, ET, MF

References: