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Nuclear internalisation and DNA binding activities of interleukin-1, interleukin-1 receptor and interleukin-1/receptor complexes

Biochemical and Biophysical Research Communications, 1992
This paper presents evidence to suggest that interleukin-1 alpha as a complex with its receptor is able to express DNA binding activity. Both the interleukin-1/receptor complex and the interleukin-1 receptor appear to be able to bind to DNA, however interleukin-1 on its own showed no binding activity. Interleukin-1 was found to be internalised into the
M.Neale Weitzmann, Nerina Savage
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Interleukin-1, Interleukin-1 Receptors and Interleukin-1 Receptor Antagonist

International Reviews of Immunology, 1998
IL-1 (IL-1 alpha or IL-1 beta) is the prototypic "multifunctional" cytokine. Unlike the lymphocyte and colony stimulating growth factors, IL-1 affects nearly every cell type, and often in concert with other cytokines or small mediator molecules. Although some lymphocyte and colony stimulating growth factors may be therapeutically useful, IL-1 is a ...
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Localisation of mRNA for interleukin-1 receptor and interleukin-1 receptor antagonist in the rat ovary

Journal of Endocrinology, 1997
Abstract Interleukin-1 (IL-1) is a multifunctional cytokine with profound effects on ovarian function. The effects of IL-1 on ovarian steroidogenesis have been demonstrated in several species. IL-1 mRNA levels are increased in the thecal layer of the ovulating follicle and IL-1β has been shown to induce ovulations in vitro.
Simon Maddocks   +7 more
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Regulation of bovine interleukin-1 receptors

Veterinary Immunology and Immunopathology, 1998
Interleukin-1 is a key player in inflammation and the immune response. The interleukin-1 family consists of three ligands (IL-1 alpha, IL-1 beta, and the IL-1 receptor antagonist) and two receptors (IL-1RI and IL-1RII). Previous studies suggest a dynamic relationship among these receptors and ligands that regulates the magnitude and extent of IL-1 ...
J.J Rejman   +8 more
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Interleukin-1 receptor antagonist activity of a human interleukin-1 inhibitor

Nature, 1990
Three interleukin-1 inhibitors have been purified to homogeneity from medium conditioned by human monocytes. Partial sequence analysis and digestion with N-glycanase indicate that these are glycosylation forms of a single protein. The protein binds to the interleukin-1 receptor but has no interleukin-1-like activity, even at very high concentrations ...
Patricia L. Heimdal   +9 more
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Blocking interleukin-1 receptors

International Journal of Clinical & Laboratory Research, 1994
During inflammation, injury, immunological challenge or infection, interleukin-1 appears to mediate, in part, the pathogenesis, of disease. Most studies on interleukin-1 are derived from experiments in which bacterial products, such as endotoxins from Gram-negative bacteria or exotoxins from Gram-positive organisms, are used to stimulate macrophagic ...
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Expression of interleukin-1 and interleukin-1 receptor antagonists in endometrial cancer

Gynecologic Oncology, 1991
The cytokine interleukin-1 (IL-1) can inhibit growth of breast cancer cells in culture and promote cellular differentiation in synergism with other growth factors. A secreted IL-1 receptor antagonist (sIL-1ra) has been described and an intracellular version (icIL-1ra) has been cloned; both antagonists block IL-1-dependent responses.
W.C. Fowler   +7 more
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Interleukin‐1 and interleukin‐1 receptor antagonist in inflammatory bowel disease.

Alimentary Pharmacology & Therapeutics, 1996
Ulcerative colitis (UC) and Crohn's disease (CD) are immunologically mediated disorders characterized by a chronic, relapsing inflammatory response. Elevation of several cytokines, with important immunoregulatory and proinflammatory activities have been demonstrated during active inflammatory bowel disease (IBD).
Theresa T. Pizarro, Fabio Cominelli
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Interleukin-1 receptor antagonist: effectiveness against interleokin-1 fever

Canadian Journal of Physiology and Pharmacology, 1992
Conscious cats were used to examine the effectiveness of the interleukin-1 receptor antagonist against the fever induced by interleukin-1 and endotoxin. Although inactive by itself, the antagonist (three 1-μg bolus injections at 10-min intervals), injected into the third ventricle, attenuated the febrile response to a subsequent ...
COCEANI, Flavio   +3 more
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Interleukin-1 Receptor Antagonist

1993
IL-1ra is the first described naturally occurring receptor antagonist of any cytokine or hormone-like molecule. IL-1ra is a member of the IL-1 family by three criteria: amino acid sequence homology of 26 to 30% to IL-1 beta and 19% to IL-1 alpha; similarities in gene structure; and common gene localization to human chromosome 2q14.
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