Metabolic Profiles of Whole Serum and Serum-Derived Exosomes Are Different in Head and Neck Cancer Patients Treated by Radiotherapy

Journal of Personalized Medicine
Anna WojakowskaMonika Pietrowska

Abstract

In general, the serum metabolome reflects the patient's body response to both disease state and implemented treatment. Though serum-derived exosomes are an emerging type of liquid biopsy, the metabolite content of these vesicles remains under researched. The aim of this pilot study was to compare the metabolite profiles of the whole serum and serum-derived exosomes in the context of differences between cancer patients and healthy controls as well as patients' response to radiotherapy (RT). Serum samples were collected from 10 healthy volunteers and 10 patients with head and neck cancer before and after RT. Metabolites extracted from serum and exosomes were analyzed by the gas chromatography-mass spectrometry (GC-MS). An untargeted GC-MS-based approach identified 182 and 46 metabolites in serum and exosomes, respectively. Metabolites that differentiated cancer and control samples, either serum or exosomes, were associated with energy metabolism. Serum metabolites affected by RT were associated with the metabolism of amino acids, sugars, lipids, and nucleotides. cancer-related features of energy metabolism could be detected in both types of specimens. On the other hand, in contrast to RT-induced changes observed in serum metabolo...Continue Reading

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Citations

May 1, 2021·Cancers·Lingyi Kong, Andrew C Birkeland
Jul 3, 2021·Journal of Personalized Medicine·Eric Andreas Rutten, Christophe Badie
Jul 3, 2021·Membranes·Víctor Acevedo-SánchezMaría de Los A Romero-Tlalolini
Aug 28, 2021·Biomedicines·Maria I Mosquera-HerediaPilar Garavito-Galofre
Nov 9, 2021·Mass Spectrometry Reviews·Iqbal JalaludinJeongkwon Kim

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Methods Mentioned

BETA
size exclusion chromatography
dynamic
transmission electron microscopy
Protein Assay
PCA

Software Mentioned

MetaboAnalyst
miRNome
Excel
DyNet
Cytoscape
MSDial

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