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#4086 Prognostic significance of metabolomics clusters in extra-pancreatic NETs: Lung NET sub-analysis

Introduction: Metabolic flexibility is one of the key hallmarks of cancer and metabolites are the final products of this adaptation, reflecting the aberrant changes that support cancer cells proliferation and survival. In a previous metabolomics study carried out by our group, multiplatform untargeted metabolomic profiling (GC-MS, CE-MS and LC-MS) performed on plasma samples from 77 advanced G1-2 extra-pancreatic NET patients demonstrated that these patients have a distinct metabolomic profile, and identified methionine, porphyrin and tryptophan metabolism as the most relevant dysregulated pathways associated with the prognosis of NETs. Furthermore, a 3-metabolite signature was able to stratify patients in 3 distinct prognostic clusters, with cluster 3 associated with the best prognosis.

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Authors: La Salvia A, Lens-Pardo A, Carretero-Puche C, Capdevila J, Benavent M,

Keywords: metabolimics, prognostic biomarker, lung neuroendocrine tumor, metabolomic signature,