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. 1994 Apr;69(4):655–662. doi: 10.1038/bjc.1994.127

Detection of malignancy-associated metabolites in the sera of cancer patients by electron capture gas chromatography.

J B Brooks 1, P L Almenoff 1, M I Daneshvar 1, A H Johnson 1, V J Spechart 1, M T Basta 1, S E Unger 1, J N King 1, B Schwartz 1
PMCID: PMC1968802  PMID: 8142254

Abstract

A reliable test that detects malignancy and indicates response to therapy is needed. Frequency-pulsed electron-capture gas-liquid chromatography (FPEC-GLC), a selective analytical technique that is sensitive to 15 fmol quantities of metabolites, was used to analyse derivatised acidic chloroform extracts of sera from patients with biopsy-proven cancer, non-malignant infectious and non-infectious disease, and healthy controls. Two peaks designated P1 and P10, not found in serum from healthy controls (n = 7) or patients with non-malignant disease (n = 85), were detected in biopsy-proven samples (n = 52) from cancer patients. P1 and P10 were later shown by chemical and mass spectral studies to be carboxylic acids. When one or both of these peaks were detected in the sera of non-treated patients they were always associated with malignancy. In patients responding to therapy, a reduction or disappearance of these peaks was observed. Further, it was noted that P10 persisted or increased in sera of patients with progressive cancer not responding to therapy. We conclude that this test has potential in diagnosis and for following the response of the disease to therapy.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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