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Abstract
Plasma erythropoietin (ESF) activity was determined in anephric, renal allotransplanted,
unilateral nephrectomized, and intact human beings before and after androgen treatment.
Increased ESF activity shown in anephric patients before and after androgen treatment
provides further evidence that extrarenal site or sites for ESF are present in man.
Four out of 7 plasma specimens obtained from anephric patients showed significant
ESF activity after androgen injection. These results suggest that the site or sites
for extrarenal ESF in the man, like the renal site, are responsive to exogenous testosterone
administration. A patient with an allograft kidney also demonstrated a very marked
increase in ESF activity in response to androgen treatment and following an episode
of bleeding. The androgen-erythropoietin response in male patients with postunilateral
nephrectomy for kidney carcinoma was similar to that seen in anephric human beings
following androgen treatment.
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Article info
Publication history
Accepted:
October 4,
1968
Received:
July 13,
1968
Footnotes
☆These studies were supported in part by United States Public Health Service Grants CA-08847 and CA-07745, the John A. Hartford Foundation, Inc., the University of Stellenbosch, the Cape Provincial Administration, and the Council for Scientific and Industrial Research.
Identification
Copyright
© 1969 Published by Elsevier Inc.