Dataset Information

FGFR1 as a novel prognostic and predictive biomarker in squamous cell cancers of the lung and the head and neck area.

ABSTRACT: FGFR1 amplification is a genomic aberration recently identified in various types of cancer. Especially squamous cell carcinomas of the lung and the head and neck show this genetic alteration in high frequencies. In these cancers FGFR1 is not only a therapeutic target but does also serve as a biomarker that correlates with parameters of worse outcome. However, since FGFR1 amplification does not always correlate with high protein expression defining the best predictive biomarker for a FGFR1 targeted therapy is of great importance.

SUBMITTER: von Massenhausen A

PROVIDER: S-EPMC4200677 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature

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FGFR1 as a novel prognostic and predictive biomarker in squamous cell cancers of the lung and the head and neck area.

von Mässenhausen Anne A Franzen Alina A Heasley Lynn L Perner Sven S

Annals of translational medicine 20131001 3

FGFR1 amplification is a genomic aberration recently identified in various types of cancer. Especially squamous cell carcinomas of the lung and the head and neck show this genetic alteration in high frequencies. In these cancers FGFR1 is not only a therapeutic target but does also serve as a biomarker that correlates with parameters of worse outcome. However, since FGFR1 amplification does not always correlate with high protein expression defining the best predictive biomarker for a FGFR1 target ...[more]

PMID: 25332967

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Project description:The PD-1 receptor and its ligands PD-L1 and PD-L2 are known to be significantly involved in T-cell regulation. Recent studies suggest that PD-L1 expression in malignant tumors contributes to an immunosuppressive microenvironment and disruption of antitumoral immune response. Drugs targeting this pathway are already tested in clinical trials against several tumor entities with promising results. However, until now comprehensive data with regard to PD-L1 and PD-L2 expression in head and neck squamous cell carcinoma (HNSCC) is still lacking.We assessed PD-L1 and PD-L2 expression via immunohistochemistry in two independent cohorts of 293 HNSCC patients.A significant subset of HNSCC showed high expression levels of PD-L1. Most remarkable, we detected a strong correlation between PD-L1 expression and overall survival time in both HNSCC cohorts. Further, in multivariate cox proportional hazard models, PD-L1 dominates as the strongest prognostic factor of patient's outcome in HNSCC, leaving even tumor stage and distant metastasis behind. Moreover, strong PD-L1 expression was associated with the presence of distant metastases in a subset of cases.In summary, while the significance of PD-L2 in HNSCC seems to minor, we show that PD-L1 expression is common in HNSCC and, more importantly, a both robust and strong prognostic biomarker. In this respect, our results provide hints on further application of therapies targeting the PD-1/PD-L1 pathway in HNSCC. Investigation of response and outcome of patients receiving anti-PD-1/PD-L1 containing therapies in correlation with PD-L1 expression analysis should be an important task for the future.In spite of improved treatment options and increasing knowledge of molecular alterations in HNSCC, the survival rate has not been dramatically changed in the past decades. Pies are missing in HNSCC. One promising candidate in cancer immune therapy is PD-L1. Drugs targeting PD-L1 or its receptor PD-1 are subject of several clinical studies in different cancer entities. However, comprehensive data about PD-L1 expression in HNSCC and therefore a rational basis for anti PD-L1/PD-1 therapy in HNSCC is lacking. Here, we provide wide-ranging data about PD-L1 expression in HNSCC of all major localizations. We observed a strong correlation between expression of PD-L1 and reduced overall survival time. Furthermore, high PD-L1 expression was identified as a strong prognostic factor of patient's outcome when verified together with recognized prognostic factors.

Dataset Information

FGFR1 as a novel prognostic and predictive biomarker in squamous cell cancers of the lung and the head and neck area.

Publications

FGFR1 as a novel prognostic and predictive biomarker in squamous cell cancers of the lung and the head and neck area.

Similar Datasets

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