AIM: Evaluation of serum levels of 17 cytokines and 5 adhesion molecules in patients with newly diagnosed acute myeloid leukemia (AML) and in healthy subjects using biochip array technology. METHODS: A total of 15 AML patients and 15 healthy subjects (blood donors) were studied. Serum samples were analyzed by biochip based immunoassays on the Evidence Investigator analyzer. This approach allows multi-analytical determination from a single sample. T-tests were used for statistical analysis. RESULTS: In newly diagnosed AML patients, we found significant increase (p < 0.01) in serum VCAM-1, ICAM-1, E-selectin, L-selectin, and significant increase (p < 0.05) in serum IL-6, IL-8. No significant differences were found in the levels of other evaluated cytokines and adhesion molecules. CONCLUSION: Our results indicate that serum levels of specific cytokines and adhesion molecules (VCAM-1, ICAM-1, E-selectin, L-selectin, IL-6, IL-8) are significantly altered in patients with newly diagnosed AML, showing activity of the disease. Whether these alterations could serve as a prognostic marker for AML is not known. Further studies will be needed to define the potential role of these and additional markers in the risk stratification of AML.

4th Department of Internal Medicine Hematology University Hospital and Charles University Faculty of Medicine Hradec Kralove Czech Republic

Department of Internal Medicine University of Defence Faculty of Military Health Sciences Hradec Kralove Czech Republic

Institute of Clinical Biochemistry and Diagnostics University Hospital and Charles University Faculty of Medicine in Hradec Kralove Czech Republic

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$a Biochip array technology and evaluation of serum levels of multiple cytokines and adhesion molecules in patients with newly diagnosed acute myeloid leukemia / $c JM. Horacek, T. Kupsa, M. Vasatova, L. Jebavy, P. Zak,

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$a AIM: Evaluation of serum levels of 17 cytokines and 5 adhesion molecules in patients with newly diagnosed acute myeloid leukemia (AML) and in healthy subjects using biochip array technology. METHODS: A total of 15 AML patients and 15 healthy subjects (blood donors) were studied. Serum samples were analyzed by biochip based immunoassays on the Evidence Investigator analyzer. This approach allows multi-analytical determination from a single sample. T-tests were used for statistical analysis. RESULTS: In newly diagnosed AML patients, we found significant increase (p < 0.01) in serum VCAM-1, ICAM-1, E-selectin, L-selectin, and significant increase (p < 0.05) in serum IL-6, IL-8. No significant differences were found in the levels of other evaluated cytokines and adhesion molecules. CONCLUSION: Our results indicate that serum levels of specific cytokines and adhesion molecules (VCAM-1, ICAM-1, E-selectin, L-selectin, IL-6, IL-8) are significantly altered in patients with newly diagnosed AML, showing activity of the disease. Whether these alterations could serve as a prognostic marker for AML is not known. Further studies will be needed to define the potential role of these and additional markers in the risk stratification of AML.

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