Abstract:
:Malignant tumours are usually accompanied by an immune response. Chemokines such as MCP-1 have been claimed to be potent inducers of such tumour-associated reactions. In the present study MCP-1 mRNA was quantified by competitive reverse transcription polymerase reaction and localised by in situ hybridisation in renal cell carcinoma tissue in comparison to tumour-free tissue of the same nephrectomy specimen. MCP-1 mRNA levels were correlated with the immune cell infiltrate, the density of CD31(+)microvessels, and the endothelial expression of ICAM-1, VCAM-1, E-, and P-selectin. In only seven of 19 cases, MCP-1 mRNA levels in carcinoma tissue were increased in comparison to tumour-free tissue. Within tumour tissue, mRNA transcripts could be localised in tumour cells, microvessel endothelia, and in tumour-associated macrophages. A correlation between MCP-1 mRNA levels and the density of immune cells, especially macrophages, the microvessel density, and the expression of adhesion molecules could not be observed. Therefore, MCP-1 seems to be of minor importance for the induction of an immune response in renal cell carcinomas regarding at least the parameters analysed in this study.
journal_name
Cytokinejournal_title
Cytokineauthors
Hemmerlein B,Johanns U,Kugler A,Reffelmann M,Radzun HJdoi
10.1006/cyto.2000.0823keywords:
subject
Has Abstractpub_date
2001-02-21 00:00:00pages
227-33issue
4eissn
1043-4666issn
1096-0023pii
S1043-4666(00)90823-8journal_volume
13pub_type
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