111Indium labeling of cultured human tumor cells.

Abstract

At least one microCi of 111indium oxine (111InOx) could be incorporated into 10(6) human tumor cells without cytotoxicity as determined by colony assay or by trypan blue staining. 111In bound to prekilled cells was removed preferentially by washings, and prelabeled cells killed with diphtheria toxin released radioactivity much more rapidly than did viable… (More)

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