Electrokinetic response of granulocytes to concanavalin A and succinyl-concanavalin A

Cell Biophysics
H R Petty, B R Ware

Abstract

Electrophoretic light scattering has been used to study the effects of concanavalin A (Con A) and succinyl-Con A on the electrophoretic mobility distribution of resident guinea-pig peritoneal eosinophils and human peripheral blood polymorphonuclear leukocytes. In both cell types, incubation with Con A (a tetrameric lectin) decreases slightly the mean mobility and increases substantially the width of the electrophoretic mobility distribution. These effects can be abolished by alpha-methyl-D-mannoside, a hapten sugar of Con A. Succinyl Con A, a dimeric derivative, was found to have no effect on the mobility distribution. These results are strikingly similar to our previous report of the response of the resident guinea-pig macrophage (19), suggesting possible parallels in the endocytic mechanisms of these cell types.

References

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