Abstract:
:In many cancers, the establishment of a patient's future treatment regime often relies on histopathological assessment of tumor tissue specimens in order to determine the extent of the 'pathological response' to a given therapy. However, histopathological assessment of pathological response remains subjective. Here we use MALDI mass spectrometry imaging to generate lipid signatures from colorectal cancer liver metastasis specimens resected from patients preoperatively treated with chemotherapy. Using these signatures we obtained a unique pathological response score that correlates with prognosis. In addition, we identify single lipid moieties that are overexpressed in different histopathological features of the tumor, which have potential as new biomarkers for assessing response to therapy. These data show that computational methods, focusing on the lipidome, can be used to determine prognostic markers for response to chemotherapy and may potentially improve risk assessment and patient care.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Patterson NH,Alabdulkarim B,Lazaris A,Thomas A,Marcinkiewicz MM,Gao ZH,Vermeulen PB,Chaurand P,Metrakos Pdoi
10.1038/srep36814subject
Has Abstractpub_date
2016-11-14 00:00:00pages
36814issn
2045-2322pii
srep36814journal_volume
6pub_type
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