sCD14 is an acute phase reactant; few studies reported its prognostic value in B-CLL patients. This gave us the impetus to conduct this study. This study enrolled 40 newly diagnosed B-CLL Egyptian patients, presented to the Hematology Department of the Medical Research Institute in Alexandria University. The ZAP-70 was determined by flow cytometry whereas serum sCD14 concentration by human sCD14 sandwich ELISA method. The mean serum level of sCD14 was significantly higher among patients with positive ZAP-70, Binet stage C, Rai stage III-IV and high risk CLL prognostic index. It showed a significant positive correlation to the percentage of ZAP-70 expression and significant negative correlation to the hemoglobin concentration. Serum sCD14 concentration could be used to assess B-CLL patients initially as an additional prognostic marker, especially in low resources areas where flow cytometry is not available.
BackgroundThis study aimed to evaluate the prognostic value of smudge cell percentage as a surrogate marker for zeta-chain-associated protein kinase 70 (ZAP-70) expression in chronic lymphocytic leukemia (CLL) patients.MethodsSixty three newly diagnosed CLL patients were investigated at the Hematology Department of the Medical Research Institute of Alexandria University with complete blood count, lactate dehydrogenase, β2 microglobulin levels, ZAP-70 expression, and estimation of the percentage of smudge cells.ResultsThe percentage of smudge cells ranged from 2 to 58% with a mean of 24.03±13.98%. Higher percentages of smudge cells (>30%) were statistically significantly associated with markers of better prognosis (negative ZAP-70, early-stage disease according to the Binet and Rai staging systems, as well as low and intermediate risk CLL prognostic index). The percentage of smudge cells showed significantly negative correlation with the ZAP-70 expression and higher area under the curve for prediction of ZAP-70 positivity with better survival for 36 months in patients with >30% smudge cells.ConclusionThe percentage of smudge cells at presentation of newly diagnosed CLL patients could be used as a surrogate marker for ZAP-70 expression and an additional prognostic marker for disease progression.
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