Stromal marker fibroblast activation protein drives outcome in T1 non-muscle invasive bladder cancer.
Fibroblast activation protein-α (FAP) is a transmembrane peptidase and a surrogate marker for cancer-associated fibroblasts (CAFs). FAP has been linked to worse prognosis and therapy resistance in several cancers. We hypothesised that FAP might have a prognostic 3biomarker potential to stratify pati...
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2021
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oai:doaj.org-article:f0597e3b89774a5bb0703e23b1b042512021-12-02T20:06:16ZStromal marker fibroblast activation protein drives outcome in T1 non-muscle invasive bladder cancer.1932-620310.1371/journal.pone.0257195https://doaj.org/article/f0597e3b89774a5bb0703e23b1b042512021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0257195https://doaj.org/toc/1932-6203Fibroblast activation protein-α (FAP) is a transmembrane peptidase and a surrogate marker for cancer-associated fibroblasts (CAFs). FAP has been linked to worse prognosis and therapy resistance in several cancers. We hypothesised that FAP might have a prognostic 3biomarker potential to stratify patients with high-grade (HG) T1 non-muscle-invasive bladder cancer (NMIBC). We selected 30 patients with HG T1 NMIBC that progressed to ≥T2 disease which were pair-matched based on CUETO progression score variables with 90 patients that did not progress. After revision a final cohort of 86 patients was retained. Slides were stained for FAP, the luminal marker GATA3 and the basal marker CK5. All HG T1 tumour regions of interest (ROIs) within each patient were annotated, analysed and scored using image analysis software. FAP expression in HG T1 ROIs was significantly higher in progressors vs. non-progressors and was prognostic for recurrence-free survival, progression-free survival, cancer-specific survival, and overall survival. FAP expression in HG T1 ROIs remained strongly prognostic for these outcomes in a bivariable model corrected for adequate BCG per FDA definition. Expression of GATA3 and CK5 did not differ between progressors vs. non-progressors, and were not prognostic for these outcomes. FAP might serve as an easily applicable prognostic biomarker to risk-stratify patients with HG T1 NMIBC if these results are prospectively validated in a larger series.Tim MuilwijkMurat AkandSofie DaelemansKoen MarienYannick WaumansMark KockxLoïc BaekelandtThomas Van den BroeckFrank Van der AaThomas GevaertSteven JoniauPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 9, p e0257195 (2021) |
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Medicine R Science Q Tim Muilwijk Murat Akand Sofie Daelemans Koen Marien Yannick Waumans Mark Kockx Loïc Baekelandt Thomas Van den Broeck Frank Van der Aa Thomas Gevaert Steven Joniau Stromal marker fibroblast activation protein drives outcome in T1 non-muscle invasive bladder cancer. |
| description |
Fibroblast activation protein-α (FAP) is a transmembrane peptidase and a surrogate marker for cancer-associated fibroblasts (CAFs). FAP has been linked to worse prognosis and therapy resistance in several cancers. We hypothesised that FAP might have a prognostic 3biomarker potential to stratify patients with high-grade (HG) T1 non-muscle-invasive bladder cancer (NMIBC). We selected 30 patients with HG T1 NMIBC that progressed to ≥T2 disease which were pair-matched based on CUETO progression score variables with 90 patients that did not progress. After revision a final cohort of 86 patients was retained. Slides were stained for FAP, the luminal marker GATA3 and the basal marker CK5. All HG T1 tumour regions of interest (ROIs) within each patient were annotated, analysed and scored using image analysis software. FAP expression in HG T1 ROIs was significantly higher in progressors vs. non-progressors and was prognostic for recurrence-free survival, progression-free survival, cancer-specific survival, and overall survival. FAP expression in HG T1 ROIs remained strongly prognostic for these outcomes in a bivariable model corrected for adequate BCG per FDA definition. Expression of GATA3 and CK5 did not differ between progressors vs. non-progressors, and were not prognostic for these outcomes. FAP might serve as an easily applicable prognostic biomarker to risk-stratify patients with HG T1 NMIBC if these results are prospectively validated in a larger series. |
| format |
article |
| author |
Tim Muilwijk Murat Akand Sofie Daelemans Koen Marien Yannick Waumans Mark Kockx Loïc Baekelandt Thomas Van den Broeck Frank Van der Aa Thomas Gevaert Steven Joniau |
| author_facet |
Tim Muilwijk Murat Akand Sofie Daelemans Koen Marien Yannick Waumans Mark Kockx Loïc Baekelandt Thomas Van den Broeck Frank Van der Aa Thomas Gevaert Steven Joniau |
| author_sort |
Tim Muilwijk |
| title |
Stromal marker fibroblast activation protein drives outcome in T1 non-muscle invasive bladder cancer. |
| title_short |
Stromal marker fibroblast activation protein drives outcome in T1 non-muscle invasive bladder cancer. |
| title_full |
Stromal marker fibroblast activation protein drives outcome in T1 non-muscle invasive bladder cancer. |
| title_fullStr |
Stromal marker fibroblast activation protein drives outcome in T1 non-muscle invasive bladder cancer. |
| title_full_unstemmed |
Stromal marker fibroblast activation protein drives outcome in T1 non-muscle invasive bladder cancer. |
| title_sort |
stromal marker fibroblast activation protein drives outcome in t1 non-muscle invasive bladder cancer. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2021 |
| url |
https://doaj.org/article/f0597e3b89774a5bb0703e23b1b04251 |
| work_keys_str_mv |
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1718375397244010496 |