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Cytokine regulation of constitutive production of interleukin-8 and -6 by human pancreatic cancer cell lines and serum cytokine concentrations in patients with pancreatic cancer

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Patients with pancreatic cancer frequently demonstrate symptoms such as weight-loss and muscle wasting and have clinical evidence of a systemic inflammatory response. Such effects may be mediated by pro-inflammatory cytokines derived from tumor cells. The production of interleukin-6 and -8 by pancreatic cancer cell lines and the influence of other cytokines on this production was studied. IL-8 was produced by all cell lines and production was increased following exposure to IL-1 and TNF. Cytokine-stimulated, but not basal IL-8 production was reduced by co-incubation with IL-4 in the MIA PaCa-2 and PANC-1 cell lines. The CFPAC cell line produced IL-6, but this production was not altered by IL-1, TNF or IL-4. In the PANC-1 cell line IL-8 and IL-8 receptors were only detected by PCR in cells which had been stimulated with TNF or IL-1. Serum concentrations of IL-6 and IL-8 were elevated in patients with pancreatic cancer compared with controls. In conclusion, human pancreatic cancer cell lines elaborate pro-inflammatory cytokines which have the potential to mediate elements of the systemic inflammatory response.
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Document Type: Research Article

Affiliations: Department of Clinical and Surgical Sciences (Surgery), University of Edinburgh, Royal Infirmary of Edinburgh, Lauriston Place, Edinburgh, EH3 9YW, UK

Publication date: January 1, 2002

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  • The International Journal of Oncology provides an international forum for the publication of the latest, cutting-edge research in the broad area of oncology and cancer treatment. The journal accepts original high quality works and reviews on all aspects of oncology research including carcinogenesis, metastasis, epidemiology, chemotherapy and viral oncology. Through fair and efficient peer review, the journal is dedicated to publishing top tier research in the field, offering authors rapid publication as well as high standards of copy-editing and production. The International Journal of Oncology is published on a monthly basis in both print and early online.
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