ANALYSIS OF RNA STABILITY DURING THE INDUCTION OF DIFFERENTIATION OF ERYTHROLEUKEMIA CELLS (MEL) AND ITS INHIBITION BY DEXAMETHASONE

Abstract

STUDIES OVER THE PAST SEVERAL YEARS HAVE INDICATED THAT INDUCTION OF DIFFERENTIATION OF MURINE ERYTHROLEUKEMIA (MEL) CELLS INTO ORTHOCHROMATOPHILIC NORMOBLASTS, IS CLOSELY ASSOCIATED WITH ALTERATIONS IN THE CYTOPLASMIC LEVEL OF VARIOUS RNA TRANSCRIPTS. SUCH CHANGES HAVE BEEN ATTRIBUTED EITHER TO ALTERATION IN THE RATE OF TRANSCRIPTION OR REPRESSION OF GENES AS WELL AS TO DIFFERENCES IN MECHANISMS THAT GOVERN DIFFERENTIAL MRNA STABILITY DURING THE ENTIRE COURSE OF DIFFERENTIATION OF MEL CELLS ARE NOT AS YET FULLY UNDERSTOOD. RNA STABILITY CAN BE ALTERED BY POST- TRANSCRIPTIONAL STRUCTURAL AND CONFORMATION MODIFICATIONS OF RNATRANSCRIPTS OR BY INTERACTIONS WITH TRANS- ACTING PROTEINS. A FRUITFUL APPROACH TO ADDRESS THESE ISSUES WOULD BE TO TRANSFER RNA INTO MAMMALIAN CELLS AND THEN STUDY THE EFFECT OF THIS RNA TRANSFECTION ON GROWTH, DIFFERENTIATION OF MEL CELLS AND RNA STABILITY WITHIN THE ENVIRONMENT OF UNDIFFERENTIATED AND MATURE CELLS. (SHORTENED)

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DOI
10.12681/eadd/2344
Handle URL
http://hdl.handle.net/10442/hedi/2344
ND
2344
Alternative title
ΑΝΑΛΥΣΗ ΤΗΣ ΣΤΑΘΕΡΟΤΗΤΑΣ RNA ΚΑΤΑ ΤΗΝ ΕΠΑΓΩΓΗ ΤΗΣ ΔΙΑΦΟΡΟΠΟΙΗΣΗΣ ΤΩΝ ΕΡΥΘΡΟΛΕΥΧΑΙΜΙΚΩΝ ΚΥΤΤΑΡΩΝ MEL ΚΑΙ ΤΗΝ ΑΝΑΣΤΟΛΗ ΤΗΣ ΜΕ ΔΕΞΑΜΕΘΑΖΟΝΗ
Author
Christou, Eleni-Ifigeneia
Date
1993
Degree Grantor
Aristotle University Of Thessaloniki (AUTH)
Committee members
ΤΣΙΦΤΣΟΓΛΟΥ ΑΣΤΕΡΙΟΣ
ΣΕΚΕΡΗΣ ΚΩΝΣΤΑΝΤΙΝΟΣ
ΝΙΩΠΑΣ ΙΩΑΝΝΗΣ
ΠΑΠΑΙΩΑΝΝΟΥ ΣΤΑΜΑΤΗΣ
ΜΗΡΤΣΟΥ-ΦΙΔΑΝΗ ΒΑΣΙΛΙΚΗ
ΓΡΑΒΑΝΗΣ ΑΧΙΛΛΕΑΣ
ΣΚΛΑΒΙΑΔΗΣ ΘΕΟΔΩΡΟΣ
Discipline
Medical and Health Sciences
Basic Medicine
Keywords
DEXAMETHAZONE; Differentiation; MEL cells; RNA STABILITY; RNA TRANSFER INTO MAMMALIAN CELLS
Country
Greece
Language
Greek
Description
161 σ.
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