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Ivan Spicka, Adam Jirasek, Kristian Koubek, Pavel Klener
Med Sci Monit 1999; 5(2): CS309-311
Rapid progression of multiple myeloma in 56-year old man with extensive extramedullary infiltrates after G-CSF therapy has been described. Using the panel of specific antibodies the expression of cytokine receptors, including G-CSF, GM-CSF and IL-6, in autopsy material was examined. No expression of cytokine receptors on tumor cells was found. On the contrary, high positivity of P-glycoprotein and another MDR associated protein - 24-34 kD protein - was observed.