This study aimed to investigate high molecular weight surface glycoprotein (S-GP) patterns on various types of human leukocytes. S-GP were externally labelled by the Galactose-oxidase-NaB3H4 technique. Results based on the analysis of 120 samples derived from different types of normal and malignant leukocytes indicate that the relative expression of high molecular weight S-GPs changes during haemopoietic cell differentiation and to some extent these changes enable the classification of human leukocytes.
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