the activities of various enzymes , such as glucose-6-phosphate dehydrogenase ( g6pdh ) , lactate dehydrogenase ( ldh ) , isocitrate dehydrogenase , succinate dehydrogenase , beta-hydroxybutylate dehydrogenase ( beta-hbdh ) and monoamine oxidase ( mao ) in the cardiac muscle were determined histochemically . beta-hbdh activity was greatly increased in the stage of developing hypertension in shr .
C0022917
lactate dehydrogenase
C0030016
dehydrogenase