Reports

Lactic and Malic Dehydrogenases in Human Spermatozoa

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Science  15 Feb 1963:
Vol. 139, Issue 3555, pp. 602-603
DOI: 10.1126/science.139.3555.602

Abstract

Human spermatozoa, representing a homogeneous population of postmitotic cells, contain five electrophoretically distinct lactic dehydrogenases and two malic dehydrogenases. This indicates that molecular heterogeneity of enzymes is characteristic of the individual cell and is not a reflection of heterogeneity of cell types within a tissue.

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