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Melanoma Res. 1995 Jun;5(3):179-81.

Serum interleukin-8 (IL-8) is elevated in patients with metastatic melanoma and correlates with tumour load.

Author information

1
Department of Internal Medicine V (Haematology/Oncology/Rheumatology), University of Heidelberg, Germany.

Abstract

It was recently demonstrated that IL-8 is produced by melanoma cell lines and acts as an essential autocrine growth factor. We studied the constitutive production of IL-8 by melanoma cell lines and the serum concentrations in patients with metastatic melanoma. All of 10 melanoma cell lines investigated constitutively produced IL-8 (mean 315 +/- 58 pg/10(5) cells per 24 h. IL-8 was detectable (mean 159 +/- 13.1 pg/ml) in the serum of 21 out of 56 patients by an enzyme-linked immunosorbent assay (ELISA; detection limit < 100 pg/ml). There was a significant correlation with tumour load, whereas no correlation with metastatic sites was found. No increased IL-8 levels were seen in healthy controls or patients with metastatic renal cell carcinoma. These results suggest that IL-8 is constitutively produced by melanoma cells in vivo.

PMID:
7640519
[Indexed for MEDLINE]

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