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Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)

Η ΕΠΙΔΡΑΣΗ ΤΟΥ ΣΥΜΠΛΟΚΟΥ ΔΕΞΑΜΕΘΑΖΟΝΗΣ-ΥΠΟΔΟΧΕΑ ΣΤΗΝ IN VITRO RNA ΣΥΝΘΕΣΗ ΑΠΟΜΟΝΩΜΕΝΩΝ ΠΥΡΗΝΩΝ ΘΥΜΟΥ ΚΑΙ ΣΥΚΩΤΙΟΥ ΑΡΟΥΡΑΙΟΥ

Abstract

dc:description

GLUCOCORTICOIDS ACT IN THE TARGET ORGANS THROUGH SPECIFIC RECEPTORS AND ELICIT SUCH BIOLOGICAL EFFECTS AS THE MODULATION OF THE RNA SYNTHESIS WHICH IS EXPRESSED AS INHIBITION IN THYMUS (FINAL RESULT IS DEATH) AND INCREASE IN LIVER. THE CELL DEATH OF THYMOCYTE POPULATIONS CAUSED BY DEXAMETHASONE WAS STUDIED IN IN VITRO SYSTEMS. WE ALSO STUDIED THE DIFFERENTIAL ACTION OF THE DEXAMETHASONE RECEPTOR COMPLEX IN THYMUS AND LIVER BY MEASURING THE RNA SYNTHESIS OF NUCLEI IN A RECONSTITUTED IN VITRO SYSTEM WITH ISOLATED NUCLEI AND ISOLATED DE-1 AND DE-2 COMPLEX FORMS IN HOMOLOGOUS AND HETEROLOGOUS REACTIONS. THE HOMOLOGOUS REACTIONS CONFIRM THE IN VIVO EFFECT, SUCH AS INHIBITION IN THE THYMUS AND INCREASE OF THE RNA SYNTHESIS IN THE LIVER. IN THE HETEROLOGOUS REACTIONS AN INHIBITION OF THE RNA SYNTHESIS IS OBTAINED. WE SUGGEST THAT THE CORRESPONDING EFFECT OF THE HORMONE ACTION IN LIVER OR THYMUS TWO ELEMENTS ARE INVOLVED: THE RECEPTOR COMPLEXPER SE AND THE ORIGIN OF THE NUCLEUS.

Degree

thesis:*
Grantor dc:publisher
Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)
Year dc:date
1987

Author and committee

dc:creator, dc:contributor.*
Author dc:creator
  • Τζαβάρας, Θεόδωρος

Subjects

dc:subject × 11

Rights

Language dc:language
gre

Identifiers

dc:identifier.*
Identifier
10.12681/eadd/0698
OAI identifier oai:identifier
oai:10442/0698

Chain of custody

source
Harvested from
Greek National Archive of PhD Theses
Base URL
phdtheses.ekt.gr/eadd_oai/request
Last updated
2026-07-24
Source record
OAI-PMH GetRecord
citation

Τζαβάρας, Θεόδωρος. Η ΕΠΙΔΡΑΣΗ ΤΟΥ ΣΥΜΠΛΟΚΟΥ ΔΕΞΑΜΕΘΑΖΟΝΗΣ-ΥΠΟΔΟΧΕΑ ΣΤΗΝ IN VITRO RNA ΣΥΝΘΕΣΗ ΑΠΟΜΟΝΩΜΕΝΩΝ ΠΥΡΗΝΩΝ ΘΥΜΟΥ ΚΑΙ ΣΥΚΩΤΙΟΥ ΑΡΟΥΡΑΙΟΥ. Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ), 1987. http://hdl.handle.net/10442/hedi/0698