IMMUNOHISTOCHEMICAL STUDY OF THE EXPRESSION OF THE STEROID HORMONES ESTRADIOL AND PROGESTERONE, THE ENZYME CREATINO KINASE BB, THE ONCOGENES H-RAS, C-MYC AND C-ERBB2 AND TGFA IN SQUAMUS CELL CARCINOMAS OF THE LARYNX

Abstract

TO ASSESS A POSSIBLE GROWTH AND DIFFERENTIATION DEPENDENCE OF SQUAMUS CELL CARCINOMA OF THE LARYNX, THE EXPRESSION OF THE ENDOGENOUS SEX STEROID HORMONES, ESTRADIOL AND PROGESTERONE, THE ISOENZYME BB OF CREATINOKINASE, THE ONCOGENES H-RAS, C-MYC AND C- ERBB2 AND TGFA WERE IMMUNOHISTOCHEMICALLY STUDIED. IT WAS FOUNDTHAT THE TWO STEROID HORMONES, THE CREATINOKINASE BB, THE H-RAS, THE C-ERBB2 IN WELL DIFFERENTIATED CARCINOMAS AND THE TGFA WERE LOCALIZED IN THE CYTOPLASM. ON THE CONTRARY THE C-ERBB2 IN CARCINOMAS GRADE II AND III WAS LOCALIZED IN THECELL MEMBRANE. IN FEW CASES THERE WAS NUCLEAR LOCALIZATION OF THE C-MYC. WITH REGARD TO GRADING, THE GRADE II AND III CARCINOMAS APPEARED TO BE MORE POSITIVETHAN THE GRADE I CANCERS, WITH THE EXCEPTION OF TGFA. IT IS REMARKABLE THAT C-ERBB2 EXPRESSION WAS GREATER IN ER- POSITIVE AND PR-POSITIVE CASES. THE ONCOGENES H-RAS AND C-ERBB2 WERE ALSO DETECTED INTO CELLS EXHIBITING DYSPLASTIC ALTERATIONS. THIS STUDY SHOWS THAT THE IMMUNOHISTOCHEMICAL DE ...
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DOI
10.12681/eadd/2322
Handle URL
http://hdl.handle.net/10442/hedi/2322
ND
2322
Alternative title
ΑΝΟΣΟΙΣΤΟΧΗΜΙΚΗ ΜΕΛΕΤΗ ΤΗΣ ΕΚΦΡΑΣΗΣ ΤΩΝ ΣΤΕΡΟΕΙΔΩΝ ΟΡΜΟΝΩΝ ΟΙΣΤΡΑΔΙΟΛΗΣ ΚΑΙ ΠΡΟΓΕΣΤΕΡΟΝΗΣ, ΤΟΥ ΕΝΖΥΜΟΥ ΚΡΕΑΤΙΝΟΚΙΝΑΣΗΣ ΒΒ, ΤΩΝ ΟΓΚΟΓΟΝΙΔΙΩΝ H-RAS, C-MYC, C-ERBB2 ΚΑΙ ΤΟΥ ΑΥΞΗΤΙΚΟΥ ΠΑΡΑΓΟΝΤΟΣ TGFA, ΣΕ ΚΑΡΚΙΝΩΜΑΤΑ ΕΚ ΠΛΑΚΩΔΟΥΣ ΕΠΙΘΗΛΙΟΥ ΛΑΡΥΓΓΟΣ
Author
Τσαμαντάς, Αθανάσιος
Date
1992
Degree Grantor
University of Patras
Committee members
ΜΠΟΝΙΚΟΣ ΔΙΟΝΥΣΙΟΣ
ΒΑΡΑΚΗΣ ΙΩΑΝΝΗΣ
ΓΚΟΥΜΑΣ ΠΑΝΑΓΙΩΤΗΣ
ΒΑΓΕΝΑΚΗΣ ΑΠΟΣΤΟΛΟΣ
ΤΖΟΡΑΚΟΛΕΥΘΕΡΑΚΗΣ ΕΥΑΓΓΕΛΟΣ
ΣΩΤΗΡΟΠΟΥΛΟΥ ΓΕΩΡΓΙΑ
ΣΚΟΠΑ ΧΡΥΣΟΥΛΑ
Discipline
Medical and Health SciencesBasic Medicine
Medical and Health SciencesClinical Medicine
Country
Greece
Language
Greek
Description
263 σ.
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