Abstract
The effect of recombinant alpha-fetoprotein (AFP) on human myeloid suppressor cell (MDSC) differentiation was studied in vitro in the presence of cytokines IL-6 (10 ng/mL) and GM-CSF (10 ng/mL). It was found that AFP at concentrations of 50 and 100 IU/mL increased the number of MDSC (CD33+ HLA-DR-/lowCD11b+) in culture. Analysis of MDSC subpopulations showed that the increase was due to monocytic M-MDSC (HLA-DR-/lowCD33+CD11b+CD14+CD66b-). There was no modulating effect of AFP on granulocytic PMN-MDSC (HLA-DR-/lowCD33+CD11b+CD14-CD66b+). The effects of recombinant AFP on MDSC differentiation were thus demonstrated for the first time.
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Schedule a callMore From: Doklady biophysics : proceedings of the Academy of Sciences of the USSR, Biophysics section
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