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Cytokine. 2007 Feb;37(2):171-5. Epub 2007 Apr 18.

Serum levels of interleukin-15 and interleukin-10 and their correlation with proliferating cell nuclear antigen in multiple myeloma.

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1
Department of Haematology, School of Medicine, University of Crete, Heraklion, Greece.

Abstract

In order to determine prognostic factors characterizing multiple myeloma (MM) cell kinetics, bone marrow proliferative activity and serum Interleukin-10 (IL-10), and Interleukin-15 (IL-15) levels were measured in 40 newly diagnosed MM patients, compared with 10-age and sex-matched-healthy controls. Cell proliferation was evaluated by employing a monoclonal antibody directed against the proliferating cell nuclear antigen (PCNA), whereas IL-10 and IL-15 were measured with quantitative sandwich enzyme immunoassay methods. IL-15, IL-10 and PCNA were higher in the patient group than in controls (P<0.001). IL-10 levels, and PCNA increased significantly with increasing Durie-Salmon disease stage (I-III, P<0.002, and P=0.001, respectively). Serum IL-15 levels in MM stage III patients were elevated in comparison with stages I and II, the difference however, did not reach statistical significance. There was a significant positive correlation between serum IL-15 and IL-10 levels (r: 0.372, P<0.01), and between serum IL-10 and PCNA (r: 0.608, P<0.0001), as well as a positive correlation of serum IL-15 with PCNA, which marginally failed to reach statistical significance. Serum IL-15 levels are elevated in MM patients, increase with advancing stage, and correlate with Il-10 and PCNA. These proliferative factors may be useful in assessing disease progression in MM.

PMID:
17446083
DOI:
10.1016/j.cyto.2007.02.022
[Indexed for MEDLINE]

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