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Biochem Biophys Res Commun. 1990 May 31;169(1):165-70.

Induction of haptotactic migration of melanoma cells by neutrophil activating protein/interleukin-8.

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1
Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy.

Abstract

Natural or recombinant neutrophil activating cytokine (IL-8) induced migration across polycarbonate filters of human A 2058 melanoma cells. Anti-IL-8 antibodies blocked IL-8 induced melanoma cell migration. Checkerboard experiments revealed a gradient-dependent response of A2058 melanoma cells to IL-8. Filters exposed to IL-8 and washed supported melanoma cell migration, thus implying a haptotactic component in the response. The homologous polypeptide platelet factor 4 was inactive. The observation that IL-8 affects melanoma cells emphasizes the need for a comprehensive analysis of the spectrum of action of platelet factor 4-related peptides. The effect of the inflammatory cytokine IL-8 on melanoma cells may be relevant to augmented secondary localization of tumors at sites of inflammation.

PMID:
2190552
[Indexed for MEDLINE]
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