The serum levels of antigen CA 125 expressed by epithelial ovarian carcinoma were measured in 27 postmenopausal women with ovarian tumours and in 16 controls. Increased serum levels of CA 125 were found in nine (75%) out of 12 patients with ovarian cancer; in three with stage I disease levels were not elevated. No significant difference was found in the concentration of CA 125 detected in peripheral or ovarian venous blood. Decreased antigen levels were found 6-30 weeks after radical operation and cytostatic chemotherapy in the ovarian cancer group. The results indicate the value of measuring CA 125 as a tumour marker in the follow-up of ovarian cancer.
The renin-aldosterone system was studied in human volunteers during ethanol intoxication and hangover. Plasma renin activity increased more than 100%, when 1.5 - 2.3 g ethanol per kg body weight was ingested over a three hour period. During hangover the increase even exceeded 200%. Plasma aldosterone concentration decreased during ethanol intoxication, but increased greatly during hangover. It is suggested that the stimulation of the renin-aldosterone axis during ethanol intoxication and hangover is due to dehydration and increased activity of the sympathetic nervous system.
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