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DOI: 10.1055/s-0045-1810109
Prognostic Significance of Serum-Soluble Endoglin (CD105) Levels in Patients with Acute Myeloid Leukemia
Funding and Sponsorship This work was supported by the Department of Scientific Research Projects (BAP) of Ataturk University (Grant number: TTU-2023-11939).

Abstract
Objective
We investigated the serum-soluble endoglin (CD105) levels and their prognostic significance in patients with acute myeloid leukemia (AML), given that angiogenesis, stimulated by vascular endothelial cells, is known to increase during AML development, and serum-soluble endoglin is a transmembrane protein that induces the activation and proliferation of these cells.
Materials and Methods
The study included 30 newly diagnosed or relapsed AML patients followed at the Hematology Clinic of Atatürk University Faculty of Medicine Hospital and 30 healthy individuals. The demographic characteristics, hemogram and biochemical parameters, performance scores, flow cytometry results, cytogenetic and molecular laboratory findings, follow-up durations, survival statuses, chemotherapy protocols, and patients' responses to chemotherapy were recorded. Serum-soluble endoglin was measured before and after chemotherapy in AML patients.
Results
Serum-soluble endoglin levels in AML patients before and after treatment were not significantly different (p = 0.494). The pretreatment serum-soluble endoglin (CD105) levels in AML patients were similar to those of the control group (p = 0.264). Endoglin (CD105) levels in the group that achieved remission after induction therapy and the refractory group were not significantly different (p = 0.245). Serum-soluble endoglin (CD105) levels were also similar between surviving patients and those who died (p = 0.07).
Conclusion
Serum-soluble endoglin (CD105) levels may not hold diagnostic or prognostic significance in AML patients.
Compliance with Ethical Principles
The Atatürk University Faculty of Medicine Clinical Research Ethics Committee approved this study (Date: 02.06.2022, Decision no: 34).
Authors' Contributions
All authors contributed to collecting the data, writing the article, reviewing, and approving the final article.
Publication History
Article published online:
22 July 2025
© 2025. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)
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