Incorporation in vitro of labeled amino acids into bone marrow cell proteins

Abstract

Nearly all experiments on the incorporation of labeled amino acids into tissue proteins in vitro have been done on tissues whose cell structure has been partially or completely disintegrated, e.g. tissue slices, segments, or homogenates. Since cell destruction reduces or abolishes the uptake of labeled amino acids (1), it seemed worth while to carry out studies on intact cells in vitro. Bone marrow cells were found to be suitable for this purpose. The labeled amino acids used were glycine-1-C14, L-leucine-1-C14, L-lysine-1-C14, and L-lysine-6-C14.

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