Cachectin (tumor necrosis factor): A macrophage hormone governing cellular metabolism and inflammatory response

B. Beutler, A. Cerami

Research output: Contribution to journalArticle

210 Scopus citations

Abstract

During the past few years, a variety of cytokines have been isolated and synthesized in abundance by molecular cloning techniques. One of these, a molecule known as “cachectin” or “tumor necrosis factor,” has emerged as an important component of the inflammatory response. Cachectin is produced by extravascular effector cells (principally macrophages) in response to invasive stimuli, and circulates throughout the body. Cachectin activates neutrophils, alters the properties of vascular endothelial cells, and regulates the metabolic activities of a variety of other tissues as well. Through its multiple effects, cachectin mediates many of the effects of endotoxin, both untoward and beneficial. Moreover, it induces a state of anorexia and wasting similar to that observed in chronic neoplastic and infectious diseases. Thus, this single protein mediator may play a central role in the pathogenesis of diverse disease states. Cachectin, an important factor in numerous physiological processes, was independently isolated by workers concerned with very different biological phenomena. As “cachectin,” it was isolated as a result of inquiry into the mechanism of wasting in chronic disease; as “tumor necrosis factor,” it was isolated as a result of inquiry into the cause of tumor necrosis occurring in the setting of infection. These two lines of investigation, and the molecule that they disclosed, are reviewed here.

Original languageEnglish (US)
Pages (from-to)57-66
Number of pages10
JournalEndocrine reviews
Volume9
Issue number1
DOIs
StatePublished - Feb 1988

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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