Postaglandins effect on experimental tumor growth and metastasis.
Abstract
IN ORDER TO ELUCIDATE THE PROSTAGLANDIS ROLE AND THEIR CONTROVERSIAL EFFECT ON TUMOR GROWTH,WE PERFORMED TWO SERIES OF EXPERIMENTS IN VITRO AND IN VIVO USING THE CELLS OF SW-480 CELL LINE (COLON HUMAN ADENOCARCINOMA).WE FIRST STUDIED INDOMETHACIN EFFCT IN VITRO,ON PGE2 PRODUCTION IN SUPERNANATANT OF CULTURED CELLS,CELL GROWTH CLONOGENITY IN SOFT AGAR,CEA AND CA-19-9 TUMOR MARKRES RELEASE,CELL INVASIVENESS AND MIGRATION ON EXTRACELLULAR MATRIX ELEMENTS WE ALSO STUDIED THE EFFECT OF INDOMETHACIN ON THE GROWTH SW-480 CELLS SUBCUTANEOUSLY INJECTED IN THE BACK OF NUDE MICE,ON PGE2 RELEASE IN NUDE MOUSE SERRUM,ON THE NIOVASCULARIZATION ANE ATHER PATHOLOGICAL FEATURES OF THE TUMORS DEVELOPED,ON METASTASIS FORMATION,AND FINALLY ON MORPHOLOGY AND KARYOTYPE OF SW-480 CELL HISTOCULTURES DERIVED FROM TUMORS DEVELOPED IN NUDE MICE.INDOMETHACIN INHIBITED TUMOR GROWTH IN VITRO IN A MANNER STATISTICALLY SIGNIFICANT,ALTERED THE MORPHOLOGY AND THE NUMBER OF COLONIES FORMED IN SOFT AGAR,AND REDUCE ...
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