Lactate dehydrogenase

Lactate dehydrogenase (LDH) converts lactic acid to pyruvate and back.

Increased serum concentrations of LDH have been found in ME patients during the acute phase.

Abnormally high LDH was found in patients of the 1955 Royal Free Hospital outbreak.

One study on 579 CDC-criteria CFS patients found lower levels of LDH relative to controls.

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 * Lactate dehydrogenase, Wikipedia