Metabolomics

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Temporal characterization of serum metabolite signatures in lung cancer patients undergoing treatment


ABSTRACT: Lung cancer causes more deaths in men and women than any other cancer related disease. Currently, few effective strategies exist to predict how patients will respond to treatment. We evaluated the serum metabolomic profiles of 25 lung cancer patients undergoing chemotherapy ± radiation to evaluate the feasibility of metabolites as temporal biomarkers of clinical outcomes . Methods: Serial serum specimens collected prospectively from lung cancer patients were analyzed using both nuclear magnetic resonance (1H-NMR) spectroscopy and gas chromatography mass spectrometry (GC-MS). Multivariate statistical analysis consisted of unsupervised principal component analysis or orthogonal partial least squares discriminant analysis with significance assessed using a cross-validated ANOVA. Results: The metabolite profiles were reflective of the temporal distinction between patient samples before during and after receiving therapy (1H-NMR p<0.001 and GC-MS p<0.01). Disease progression and survival were strongly correlative with the GC-MS metabolite data whereas stage and cancer type were associated with 1H-NMR data. Metabolites such as hydroxylamine, tridecan-1-ol, octadecan-1-ol, were indicative of survival (GC-MS p<0.05) and metabolites such as tagatose, hydroxylamine, glucopyranose, and threonine that were reflective of progression (GC-MS p<0.05). Conclusions: Metabolite profiles have the potential to act as prognostic markers of clinical outcomes for lung cancer patients. Serial 1H-NMR measurements appear to detect metabolites diagnostic of tumor pathology, while GC-MS provided data better related to prognostic clinical outcomes warranting further study in a larger cohort and with various treatment options.

INSTRUMENT(S): GCT Premier (Waters), Bruker

SUBMITTER: Farshad Farshidfar 

PROVIDER: MTBLS200 | MetaboLights | 2017-01-19

REPOSITORIES: MetaboLights

Dataset's files

Source:
Action DRS
MTBLS200 Other
FILES Other
a_MTBLS200_MS_uofc-hcc_serum_metabolomic_study.txt Txt
a_MTBLS200_NMR_uofc-hcc_serum_metabolomic_study.txt Txt
i_Investigation.txt Txt
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Publications

Temporal characterization of serum metabolite signatures in lung cancer patients undergoing treatment.

Hao Desirée D   Sarfaraz M Omair MO   Farshidfar Farshad F   Bebb D Gwyn DG   Lee Camelia Y CY   Card Cynthia M CM   David Marilyn M   Weljie Aalim M AM  

Metabolomics : Official journal of the Metabolomic Society 20160227


Lung cancer causes more deaths in men and women than any other cancer related disease. Currently, few effective strategies exist to predict how patients will respond to treatment. We evaluated the serum metabolomic profiles of 25 lung cancer patients undergoing chemotherapy ± radiation to evaluate the feasibility of metabolites as temporal biomarkers of clinical outcomes. Serial serum specimens collected prospectively from lung cancer patients were analyzed using both nuclear magnetic resonance  ...[more]

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