The transcriptional landscape of metastatic hormone-naive prostate cancer
Martin-Martin, N.; Garcia-Longarte, S.; Corres-Mendizabal, J.; Lazcano, U.; Astobiza, I.; Bozal-Basterra, L.; Herranz, N.; van Splunder, H.; Carlevaris, O.; Pujana-Vaquerizo, M.; Blasco, M. T.; Aransay, A. M.; Rosino, A.; Tudela, J.; Jimenez, D.; Martinez, A.; Salca, A.; Santos-Martin, A.; Rey, S.; Ugalde-Olano, A.; Gonzalo, D.; Graupera, M.; Gomis, R. R.; Mateo, J.; Unda, M.; Gonzalez-Billalabeitia, E.; Loizaga-Iriarte, A.; Mendizabal, I.; Carracedo, A.
Show abstract
Metastatic hormone-naive prostate cancer (mHNPC) is an infrequent form of this tumour type that is characterized by metastasis at the time of diagnosis and accounts for 50% of prostate cancer-related deaths. Despite the extensive characterization of localized and metastatic castration resistant prostate cancer (mCRPC), the molecular characteristics of mHNPC remain largely unexplored. Here we provide the first extensive transcriptomics characterization of mHNPC. We generated discovery and validation bulk and single-cell RNA-Seq datasets and performed integrative computational analysis in combination with experimental studies. Our results provide unprecedented evidence of the distinctive transcriptional profile of mHNPC and identify stroma remodelling as a predominant feature of these tumours. Importantly, we discover a central role for the transcription factor SOX11 in triggering a heterotypic communication that is associated to the acquisition of metastatic properties. Our study will constitute an invaluable resource for a profound understanding of mHNPC that can influence patient management.
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