Please use this identifier to cite or link to this item: http://hdl.handle.net/10125/11473

Steroid hormones and subcellular processes

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dc.contributor.author James, Gordon Price
dc.date.accessioned 2009-09-09T19:28:51Z
dc.date.available 2009-09-09T19:28:51Z
dc.date.issued 1968
dc.identifier.uri http://hdl.handle.net/10125/11473
dc.description Typescript.
dc.description Thesis (Ph. D.)--University of Hawaii, 1968.
dc.description Bibliography: leaves 91-103.
dc.description ix, 103 l graphs, tables
dc.description.abstract Aldosterone administered intraperitoneally induced an increase in the rate of renal RNA synthesis in the rat. A maximum response of 130 percent of control occurred 1.5 hours after injection. Following the maximum at 1.5 hours, the rate of renal RNA synthesis oscillated about control. Three cycles in the rate of kidney RNA synthesis occurred within 4.5 hours after injection with no indication of a decrease in amplitude. Renal RNA synthesis is stimulated to a maximum of 210 percent of control 30 minutes after an intravenous aldosterone injection. Following the maximum at 30 minutes, the rate of kidney RNA synthesis oscillated about control but with longer periods and greater amplitude than when the hormone was given intraperitoneally. Aldosterone induced oscillations in renal RNA synthesis occurred in normal, adrenalectomized and hypophysectomized rats. Aldosterone in doses of 0.07 pg to 2.5 pg was effective in inducing the oscillations. Intravenous administration of cortisol or aldosterone diminished the rate of splenic RNA synthesis in rats. Inhibition to 70 percent of control occurred within four hours after hormone injection. Following the initial inhibition, a rapid increase occurred to approximately 160 percent of control. The maximum occurred at five and six hours for cortisol and aldosterone, respectively. A rapid decrease below control level followed the stimulation. The aldosterone induced oscillations in splenic RNA synthesis was observed in normal, adrenalectomized and hypophysectomized rats. The hormone induced oscillations in renal and splenic RNA synthesis appear to be unrelated. The possibility is suggested that the oscillations are unique functions of the respective tissues and that they are independent of external control.
dc.language.iso en-US
dc.publisher [Honolulu]
dc.relation Theses for the degree of Doctor of Philosophy (University of Hawaii (Honolulu)). Biomedical Sciences (Biochemistry); no. 188
dc.rights All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
dc.subject Steroid hormones
dc.subject RNA
dc.title Steroid hormones and subcellular processes
dc.type Thesis
dc.type.dcmi Text
Appears in Collections: Ph.D. - Biomedical Sciences (Biochemistry)


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