Cited by 1,472Immune Response and InflammationThermal Regulation in MedicineInflammasome and immune disorders

Tumor necrosis factor (cachectin) is an endogenous pyrogen and induces production of interleukin 1.

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Dinarello, C A, Cannon, J G, Wolff, S M, Bernheim, H A, Beutler, B, Cerami, A, Figari, I S, Palladino, M A +1 more·1986·The Journal of experimental medicine

Abstract

Recombinant human tumor necrosis factor (rTNF alpha) injected intravenously into rabbits produces a rapid-onset, monophasic fever indistinguishable from the fever produced by rIL-1. On a weight basis (1 microgram/kg) rTNF alpha and rIL-1 produce the same amount of fever and induce comparable levels of PGE2 in rabbit hypothalamic cells in vitro; like IL-1, TNF fever is blocked by drugs that inhibit cyclooxygenase. At higher doses (10 micrograms/kg) rTNF alpha produces biphasic fevers. The first fever reaches peak elevation 45-55 min after bolus injection and likely represents a direct action on the thermoregulatory center. During the second fever peak (3 h later), a circulating endogenous pyrogen can be shown present using passive transfer of plasma into fresh rabbits. This likely represents the in vivo induction of IL-1. In vitro, rTNF alpha induces the release of IL-1 activity from human mononuclear cells with maximal production observed at 50-100 ng/ml of rTNF alpha. In addition, rTNF alpha and rIFN-gamma have a synergistic effect on IL-1 production. The biological activity of rTNF alpha could be distinguished from IL-1 in three ways: the monophasic pyrogenic activity of rIL-1 was destroyed at 70 degrees C, whereas rTNF alpha remained active; anti-IL-1 neutralized IL-1 but did recognize rTNF alpha or natural cachectin nor neutralize its cytotoxic effect; and unlike IL-1, rTNF alpha was not active in the mitogen-stimulated T cell proliferation assay. The possibility that endotoxin was responsible for rTNF alpha fever and/or the induction of IL-1 was ruled-out in several studies: rTNF alpha produced fever in the endotoxin-resistant C3H/HeJ mice; the IL-1-inducing property of rTNF alpha was destroyed either by heat (70 degrees C) or trypsinization, and was unaffected by polymyxin B; pyrogenic tolerance to daily injections of rTNF alpha did not occur; levels of endotoxin, as determined in the Limulus amebocyte lysate, were below the minimum rabbit pyrogen dose; and these levels of endotoxin were confirmed by gas chromatography/mass spectrometry analysis for the presence of beta-hydroxymyristic acid. Although rTNF alpha is not active in T cell proliferation assays, it may mimic IL-1 in a T cell assay, since high concentrations of rTNF alpha induced IL-1 from epithelial or macrophagic cells in the thymocyte preparations. These studies show that TNF (cachectin) is another endogenous pyrogen which, like IL-1 and IFN-alpha, directly stimulate hypothalamic PGE2 synthesis. In addition, rTNF alpha is an endogenous inducer of IL-1.(ABSTRACT TRUNCATED AT 400 WORDS)

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Authors
Dinarello, C. A., Cannon, J. G., Wolff, S. M., Bernheim, H. A., Beutler, B., Cerami, A., Figari, I. S., Palladino, M. A., & O'Connor, J. V.
Affiliations
  • Tufts University (US)
  • Rockefeller University (US)
  • Genentech (US)
Venue
The Journal of experimental medicine
Published
1986-06-01
Volume
163
Issue
6
Pages
1433-1450
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2122462682
Cited by
1,472
References
53
Citations by year
2026: 2 · 2025: 3 · 2024: 4 · 2023: 1 · 2022: 2 · 2021: 6 · 2020: 4 · 2019: 6 · 2018: 9 · 2017: 21 · 2016: 17 · 2015: 11 · 2014: 15 · 2013: 17 · 2012: 16
FWCI
50.55
Type
journal article
Language
en
Open access
Licence
cc-by-nc-sa
Locations
  • The Journal of Experimental Medicine (publishedVersion)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
Funders
National Institute of Allergy and Infectious Diseases (AI‑15614)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Health Sciences › Medicine › Critical Care and Intensive Care Medicine › Thermal Regulation in Medicine
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
Keywords
TNF-α, endogenous pyrogen, fever, prostaglandin E2, cyclooxygenase inhibition, hypothalamic cells, biphasic fever, endotoxin, thermoregulation, mononuclear cells, C3H/HeJ mice
MeSH terms
Animals, Endotoxins, Fever, Glycoproteins, Interleukin-1, Monocytes, Prostaglandins E, Pyrogens, Rabbits, Recombinant Proteins, Stimulation, Chemical, Tumor Necrosis Factor-alpha, Dinoprostone, Mice

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