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Biomedical subjects

C Waterhouse

Publications and source records attributed to C Waterhouse.

At least 55 records · Page 3Linked to original sources
PubMed1969

Cori cycle activity in man.

12 subjects have been studied after an overnight fast with trace amounts of pyruvate-3-(14)C and glucose-6-(14)C. Blood disappearance curves and incorporation of the pyruvate-3-(14)C label into blood glucose have been determined. By the use of transfer functions which allow processes with many different chemical steps to be examined as a unit, we have determined the per cent of pyruvate and presumably lactate which is regenerated into glucose. 8 of the 12 subjects showed that 7-23 mg/kg per hr are recycled, while 4 subjects fell well outside this range. Correlation of increased activity was not good with any demonstrated metabolic abnormality (diabetes or obesity), and it is suggested from clinical observation of the subjects that anxiety may play a role.

Adult↗
PubMed1969

Effect of glucose ingestion on the metabolism of free fatty acids in human subjects.

The rate of appearance of (14)CO(2) in expired air after the injection of a single dose of NaH(14)CO(3) has been determined in normal individuals both in the fasted and fed states. These data were combined with previously obtained results on the rate of disappearance of injected palmitate-(14)C from the bloodstream, to give a multicompartmental analysis of free fatty acid oxidation and esterification. The results confirm that glucose feeding promptly inhibits the rate of free fatty acid oxidation to CO(2). The "irreversible disposal rate," or irreversible flux of free fatty acids from the plasma, was also consistently reduced by glucose feeding. The diminution in irreversible disposal, not accounted for entirely by reduction of direct oxidation, must indicate suppression of other disposal mechanisms, including net esterification of free fatty acids. An average drop of 49% in "net esterification" when glucose was given may be compared with the 65% inhibition of rapid free fatty acid oxidation.

Bicarbonates↗
PubMedDate not supplied

Monozygotic twins discordant for systemic lupus erythematosus.

A pair of monozygotic twins discordant for systemic lupus erythematosus(SLE) were studied and no differences noted in their immune respose to tetanus toxoid, keyhole lympet hemocyanin, DNCB, delayed sensitivity, or antibody titers to viruses. Both were noted to have biologically false positive serology at an early age, but only one twon developed SLE. The clinically unaffected twin underwent castration at an early age, suggesting that ovarian hormones may play an important role in the development of SLE.

Adult↗