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. 2001 Jun 15;84(12):1599-601.
doi: 10.1054/bjoc.2001.1830.

Proteolysis-inducing factor is expressed in tumours of patients with gastrointestinal cancers and correlates with weight loss

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Free PMC article

Proteolysis-inducing factor is expressed in tumours of patients with gastrointestinal cancers and correlates with weight loss

R Cabal-Manzano et al. Br J Cancer. .
Free PMC article

Abstract

Proteolysis-inducing factor (PIF), a novel cachectic factor, is detectable in the urine of cancer patients experiencing weight loss. We report the expression of PIF in gastrointestinal cancers, and a correlation between PIF expression in tumours, its detection in urine and weight-loss. These data provide the first direct evidence that tumours are the source of PIF in humans.

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