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Serum nuclear magnetic resonance-based metabolomics and outcome in diffuse large B-cell lymphoma patients - a pilot study
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2016 (English)In: Leukemia and Lymphoma, ISSN 1042-8194, E-ISSN 1029-2403, Vol. 57, no 8, 1814-1822 p.Article in journal (Refereed) Published
Abstract [en]

The prognosis for diffuse large B-cell lymphoma (DLBCL) patients with early relapse or refractory disease is dismal. To determine if clinical outcome correlated to diverse serum metabolomic profiles, we used H-1 nuclear magnetic resonance (NMR) spectroscopy and compared two groups of DLBCL patients treated with immunochemotherapy: i) refractory/early relapse (REF/REL; n=27) and ii) long-term progression-free (CURED; n=60). A supervised multivariate analysis showed a separation between the groups. Among discriminating metabolites higher in the REF/REL group were the amino acids lysine and arginine, the degradation product cadaverine and a compound in oxidative stress (2-hydroxybutyrate). In contrast, the amino acids aspartate, valine and ornithine, and a metabolite in the glutathione cycle, pyroglutamate, were higher in CURED patients. Together, our data indicate that NMR-based serum metabolomics can identify a signature for DLBCL patients with high-risk of failing immunochemotherapy, prompting for larger validating studies which could lead to more individualized treatment of this disease.

Place, publisher, year, edition, pages
2016. Vol. 57, no 8, 1814-1822 p.
Keyword [en]
DLBCL, metabolomics, outcome, serum
National Category
Cancer and Oncology Hematology
URN: urn:nbn:se:umu:diva-125974DOI: 10.3109/10428194.2016.1140164ISI: 000381290600012PubMedID: 26887805OAI: diva2:1037161
Available from: 2016-10-14 Created: 2016-09-23 Last updated: 2016-10-14Bibliographically approved

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Pinto, Rui
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Clinical chemistry
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