Dr. med. M. Felsenstein receives a grant provided by the Berliner Krebsgesellschaft e.V. for his project "Deciphering the molecular determinants of pancreatic duct dysplasia by analysis of single-cell transcriptomics (RNAseq) in precursor lesions".

Besides great advances in the molecular and genetic understanding of pancreatic duct adenocarcinoma (PDAC), this tumor entity remains particularly aggressive with dismal prognosis. Recent single-cell sequencing studies underline the eminent urgency to understand tumor heterogeneity in the setting of PDAC. More detailed knowledge about the molecular mechanisms of pancreatic cancer evolution, carcinogenesis and heterogeneity could direct ideas for earlier detection and more effective targeted therapies, also preventing disease recurrence. Future therapeutic approaches in precision medicine will likely focus on the disease relevant sub-populations, specifically driving cancer progression, dissemination and exerting tumor escape mechanisms. In-depth transcriptomic data of single carcinoma environmental cells and respective cell clusters may help to discover novel biomarkers, which can be clinically instrumented for earlier detection and putatively increase the fraction of patients, amenable to curatively intended therapies. This study aims to analyze sorted single cells of macro-dissected precursor and cancerous lesions of the pancreas by single nuclei RNA sequencing (snRNAseq). In this feasibility study, we will include 10 patients, who will undergo resection of the pancreas due to “worrisome” or malignant lesions. We will perform in-depth transcriptomic analysis of pancreatic dysplasia in order to broaden our understanding of the molecular mechanisms of pancreatic carcinogenesis.

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