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Biomedical subjects

C H Dahm

Publications and source records attributed to C H Dahm.

10 recordsLinked to original sources
PubMed1977

Effects of progesterone on some enzymes of fat and carbohydrate metabolism in rat liver.

The known effect of progesterone on carbohydrate metabolism prompted a study of some of the hepatic "lipogenic" and "gluconeogenic" enzymes in rats treated with progesterone. Several enzymes providing lipid precursors (phosphofructokinase, malic enzyme, glucose-6-phosphate dehydrogenase, and citrate cleavage enzyme) showed increased specific activity. These changes may represent insulin effects. Specific activity of phosphoenolpyruvate carboxykinase, usually associated with control of gluconeogenesis, was also increased. The latter is compatible with increased capability for glycogenesis, which is recognized as a progesterone effect.

ATP Citrate (pro-S)-Lyase↗
PubMed1975

Relationship between levels of blood lipids, vitamins C, A, and E, serum copper compounds, and urinary excretions of tryptophan metabolites in women taking oral contraceptive therapy.

To evaluate which women using oral contraceptive agents might be at risk, biochemical indices known to be affected by the estrogens and progestogens were studied in women who take oral contraceptive agents, in women who do not use oral contraceptive agents, in women in third trimester of pregnancy and 6 weeks after parturition, and in men with normal and high blood lipid levels. The most consistent changes due to oral contraceptive agents were in serum levels of copper, triglycerides, and vitamin A and in the urinary excretion of xanthurenic acid and niacin derivatives before and after a tryptophan load test. There was only a slight suggestion, with no statistical significance, that serum vitamin C levels decreased when the serum levels of ceruloplasmin were high. The highest blood pressures and serum triglycerides and vitamin A levels were obtained in those women who ingested the highest level of estrogens. Pregnant women had the lowest levels of serum vitamin A. The oral contraceptive agents users had the lowest average levels of carotenoids corresponding to the highest average levels of vitamin A in the serum. Thus, estrogens not only increase the rate of change of tryptophan to niacin but may also increase the rate of conversion of carotene to vitamin A. Relative reactivity to oral contraceptive agents and possible risk to a patient might be evaluated by a profile of blood pressure and serum triglycerides, copper, and vitamin A.

Adult↗
PubMed1972

Endotoxic shock.

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Abortion, Septic↗