Interleukin 1 promotes tumor cell adhesion to cultured human endothelial cells
We report that IL 1 acts on the endothelium, inducing a long-lasting increase in its adhesivity to tumor cells. Selective pretreatment of cultured human umbilical vein endothelial cells (EC) with IL 1 caused a significant increase in adhesion of three human colorectal carcinoma (HT-29, HCC-P2988, an...
Gespeichert in:
Veröffentlicht in: | The Journal of clinical investigation 1988-10, Vol.82 (4), p.1466-1470 |
---|---|
Hauptverfasser: | , , , , , , |
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | We report that IL 1 acts on the endothelium, inducing a long-lasting increase in its adhesivity to tumor cells. Selective pretreatment of cultured human umbilical vein endothelial cells (EC) with IL 1 caused a significant increase in adhesion of three human colorectal carcinoma (HT-29, HCC-P2988, and HCC-M1410) cell lines and one human melanoma (A-375) cell line. Tumor necrosis factor (TNF) was as effective as IL 1 in promoting tumor cell adhesion to EC, whereas IFN gamma and IL 2 were inactive. The IL 1 and TNF induction of EC adhesivity was both concentration (threshold concentration 1 U/ml) and time dependent (peak 4-6 h), reversible within 24 h, and blocked by a protein synthesis inhibitor. The IL 1 and TNF action on EC may play a role in tumor cell lodgement. |
---|---|
ISSN: | 0021-9738 1558-8238 |
DOI: | 10.1172/JCI113753 |