Abstract
Splenic erythroblasts obtained from BALB/c mice infected with the anemia strain of Friend virus were compared with "matured" cells and adult erythrocytes for their sensitivity to staphylococcal alpha-toxin. Matured cells were obtained by treating erythroblasts in culture with erythropoietin for 48 h. Sensitivity to staphylococcal alpha-toxin, measured both by release of 86Rb and by cell lysis, failed to demonstrate significant differences among the cell types. Since maturation of erythroblasts to matured cells or erythrocytes is associated with synthesis of band 3, hemoglobin, and spectrin and the loss of transferrin receptors, we conclude that none of these compounds serves as the specific receptor for staphylococcal alpha-toxin in BALB/c mice.
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