... acids, lactate and pyruvate change during the menstrual cycle. 2. Microdialysis was performed twice during the menstrual cycle in eight healthy women, in the breast and subcutaneous fat. Amino acids, lactate and pyruvate were analysed by HPLC. 3. None of the women showed any complications...

...G. R. Ward; J. R. Sutton; N. L. Jones; C. J. Toews 1. The activity of pyruvate dehydrogenase in its active and inactive forms was measured in biopsy samples obtained from the vastus lateralis muscle of healthy subjects before and after exercise. 2. At rest, 40 ± 4% (mean ± sem ) of the enzyme...