Abstract:
:Colorectal cancer (CRC) infiltration by cells expressing myeloperoxidase (MPO) or CD8 positive T lymphocytes has been shown to be independently associated with favorable prognosis. We explored the relationship occurring between CD8+ and MPO+ cell CRC infiltration, its impact on clinical-pathological features and its prognostic significance in a tissue microarray (TMA) including 1,162 CRC. We observed that CRC showing high MPO+ cell infiltration are characterized by a prognosis as favorable as that of cancers with high CD8+ T cell infiltration. However, MPO+ and CD8+ CRC infiltrating cells did not synergize in determining a more favorable outcome, as compared with cancers showing MPOhigh/CD8low or MPOlow/CD8high infiltrates. Most importantly, we identified a subgroup of CRC with MPOlow/CD8low tumor infiltration characterized by a particularly severe prognosis. Intriguingly, although MPO+ and CD8+ cells did not co-localize in CRC infiltrates, an increased expression of TIA-1 and granzyme-B was detectable in T cells infiltrating CRC with high MPO+ cell density.
journal_name
Oncoimmunologyjournal_title
Oncoimmunologyauthors
Däster S,Eppenberger-Castori S,Hirt C,Soysal SD,Delko T,Nebiker CA,Weixler B,Amicarella F,Iezzi G,Governa V,Padovan E,Mele V,Sconocchia G,Heberer M,Terracciano L,Kettelhack C,Oertli D,Spagnoli GC,von Holzen U,Tornildoi
10.1080/2162402X.2015.1050574subject
Has Abstractpub_date
2015-05-29 00:00:00pages
e1050574issue
12eissn
2162-4011issn
2162-402Xpii
1050574journal_volume
4pub_type
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