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#4378 Hypoxic signalling in pancreatic NETs (pNETs)

Introduction: In a genomic profiling study conducted as part of the COMPOSE Phase III multicentre open-labelled clinical trial we assessed 9 pNET patients, 2 of which showed upregulation of CA9 and hypoxic signalling. Hypoxic tumour cells present CA9 for extracellular proton channelling, maintenance of intracellular pH and to acidify and thereby vascularise and immune-suppress the TME. In normoxia, EGLN1-3 hydroxylate proline residues of HIF1A for its subsequent ubiquitination by the VHL-complex resulting in degradation and repression of its target genes.

Conference:

Presenting Author: Walter T

Authors: Walter T, Smutna V, Srirajaskanthan R, Capdevila J, Qin Y,

Keywords: hypoxia, pNET, HIF1A, CA9, Case study, hypoxic, genomic profiling,

#882 Gene Expression Characterization of Gastroenteropancreatic Neuroendocrine Tumors [GEPNETS: Gastrointestinal and Pancreatic NETs (GINETs and pNETs)] and Their Correlation with Clinical Factors and Tumor Behavior

Introduction: GEP-NETs are a heterogenous group of tumors with different molecular backgrounds and clinical outcome.

Conference: 11th Annual ENETSConcerence (2014)

Presenting Author: Martínez-Fuentes A

Authors: Díaz Pérez J, García-Carbonero R, Villabona C, Capdevila J, Jiménez-Fonseca P,

Keywords: sst4, RET, angiogenesis, GEP-NET,