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The multifunctional cytokine interleukin-6 (IL-6) plays a central role in host defence mechanisms and hematopoiesis. Furthermore, dysregulation of IL-6 gene expression is associated with the pathogenesis of various immunologically related diseases such as myeloma, systemic lupus erythematosus, rheumatoid arthritis, psoriasis and Kaposi's sarcoma. The(More)
Expression of the interleukin-6 (IL-6) gene is usually tightly controlled and may be induced in specific tissues only after treatment with appropriate stimuli. The molecular mechanisms responsible for IL-6 gene repression in specific tissues or cell lines remain poorly defined. In order to address this question we have studied two human breast carcinoma(More)
A cDNA encoding a 63-kDa human IFN-alpha R (hIFN-alpha R) has recently been cloned. Mouse cells transfected with this cDNA failed to show any signal transmission for IFN-beta, suggesting the involvement of additional chains in the receptor complex. We have expressed in Escherichia coli and COS 7 cells a soluble recombinant protein (sIFN-alpha R) comprising(More)
Recent data showed that p53 stimulates the expression of genes encoding not only pro- but also antioxidant enzymes. It was suggested that antioxidant genes could be induced under physiologic levels of stress while the prooxidant ones respond to higher level of stress. Results presented in this article illustrate an additional degree of complexity. We show(More)
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