MECHANISMS OF PLATELET ACTIVATING FACTOR (PAF) ACTIONS ON MOUSE

Abstract

THE MECHANISMS OF ACTIONS OF PAF ON MOUSE WERE INVESTIGATED IN ORDER (A) TO DESCRIBE PAF INTERACTIONS WITH THE BLOOD AND (B) TO EXPLAIN THE INCREASED RESISTANCE OF MOUSE. PART OF THIS RESISTANCE RESULTS FROM THE FAST HYDROLYSIS AND THE BINDING OF PAF TO THE BLOOD CELLS. THE BINDING WITH HIGH AFFINITY OF PAF TO MOUSE AND HUMAN PLATELETS INDICATES THE PRESENCE OF SPECIFIC RECEPTORS ALTHOUGH WE COULD NOT REACH SATURATION. INTRAVENOUS INJECTION OF PAF ON MICE RESULTS IN SEVERE HEMOCONCENTRATION AND LEUCOPENIA. THE INHIBITION OF LETHAL PAF ACTIONS FROMTHE COMBINATION OF PROMETNAZINE AND CHLORPROMAZINE INDICATES THE MEDIATION OF THESE ACTIONS BY THE COMBINATION OF HISTAMINE AND SEROTONINE.

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DOI
10.12681/eadd/1941
Handle URL
http://hdl.handle.net/10442/hedi/1941
ND
1941
Alternative title
ΔΙΕΡΕΥΝΗΣΗ ΤΩΝ ΜΗΧΑΝΙΣΜΩΝ ΔΡΑΣΗΣ ΤΟΥ ΠΑΡΑΓΟΝΤΑ ΕΝΕΡΓΟΠΟΙΗΣΗΣ ΤΩΝ ΑΙΜΟΠΕΤΑΛΙΩΝ (PAF) ΣΤΟΝ ΠΟΝΤΙΚΟ
Author
Kelefiotis, Dimitrios (Father's name: P.)
Date
1992
Degree Grantor
National and Kapodistrian University of Athens
Committee members
ΣΕΚΕΡΗΣ ΚΩΝΣΤΑΝΤΙΝΟΣ
ΠΑΤΑΡΓΙΑΣ ΘΕΟΧΑΡΗΣ
ΑΛΕΠΩΡΟΥ ΒΑΣΙΛΙΚΗ
ΒΑΚΙΡΤΖΗ ΛΕΜΟΝΙΑ
ΦΡΑΓΚΟΥΛΗΣ ΕΜΜΑΝΟΥΗΛ
ΔΗΜΟΠΟΥΛΟΣ ΚΩΝΣΤΑΝΤΙΝΟΣ
Discipline
Natural Sciences
Biological Sciences
Keywords
ANTI-INFLAMMATORY; Human; Mouse; PAF; Rabbits; Rat
Country
Greece
Language
Greek
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