Abstract library

1991 results for "tumor genome sequencing".
#2239 pNET G3 Tumor Stabilization Achieved by an Individualized Molecular Therapy Based on Tumor Genome Sequencing Results
Introduction: High-grade pancreatic neuroendocrine neoplasms (pNENs) constitute a heterogeneous group of malignant neoplasms, encompassing neuroendocrine tumors (NET) G3 and carcinomas (NEC). Due to poor data on NET G3 tumors no standard therapy in metastatic disease could be established so far. Tumor genome sequencing might help to better profile NET G3 tumors and could provide novel opportunities for individualized and thereby successful patient specific treatments.
Conference: 15th Annual ENETS conference (2018)
Category: Case reports
Presenting Author: Martina Steurer
#2964 Personalized Therapy in a Case of Esophageal NEC Based on Tumor Genome Sequencing
Introduction: High-grade esophageal neuroendocrine carcinomas (NEC) constitute a rare subgroup of neuroendocrine neoplasms, with a particularly aggressive behaviour and unfavourable prognosis. To date, there are no validated biomarkers for personalized therapy and cytotoxic chemotherapy remains the standard of care. However, tumor genome sequencing may help improve NEC molecular landscape knowledge in order to identify novel targets for an individualized approach.
Conference: 17th Annual ENETS Conference (2020)
Category: Case reports
Presenting Author: MD Anna La Salvia
#722 Isolation and Whole Genome Amplification of Single Circulating Tumor Cells in Neuroendocrine Tumors: A Pilot Study
Introduction: We have previously demonstrated that Circulating Tumor Cells (CTCs) can be detected in patients with neuroendocrine tumors (NET) and that their presence is prognostic. Downstream analysis of CTCs provides an opportunity to explore their potential as biomarker for targeted therapy. Here we present initial data which demonstrates that molecular profiling can be successfully performed on single CTCs from patients with NETs
Conference: 10th Annual ENETS Conference (2013)
Category: Basic Science - In vitro models, tumor growth, CTCs
Presenting Author: Dr Dalvinder Mandair
#62 Genome-wide DNA methylation profiling of pancreatic neuroendocrine tumors identifies distinct methylation profiles and differentially methylated gene promoter regions associated with low, medium and high grade tumors
Introduction: Integration of genetics and epigenetics has emerged as a powerful approach to studying cellular differentiation (Mikkelsen et al, 2009) and tumorigenesis (Shen et al, 2007). The study of DNA methylation is of particular importance in cancer, as causal involvement has been demonstrated and it is the most stable of all epigenetic modifications, making it a desirable marker for both early detection and treatment of tumors. Hypermethylation of CpG sites in gene promoter regions leads to decreased gene expression; if such a gene is a tumor suppressor, this leads to carcinogenesis. To date, there have been no studies of genome-wide DNA methylation profiling of NETs. This study sets out to determine the DNA methylation profiles of low, intermediate and high grade pancreatic NET liver metastases with the intention of identifying dysregulated biological pathways in the development of these tumors. A protocol for the analysis formalin-fixed paraffin embedded tissue (FFPE) has also been developed in order to study these tumors in significant numbers following this pilot study.
Conference: 7th Annual ENETS Conference (2010)
Category: Basic
Presenting Author: Dr Christina Thirlwell
#2283 Ultra-Deep Targeted Resequencing Reveals Recurrent DAXX and CYFIP2 Mutations and Implicates Novel Pathways in Pancreatic Neuroendocrine Tumors
Introduction: Recent studies in pancreatic neuroendocrine tumors have identified mutations in DAXX/ATRX, MEN1, and genes involved in the phosphoinositide-3-kinase/Akt/mammalian target of rapamycin (PI3K-Akt-mTOR) pathway. However, these studies focused on abundant mutations.
Conference: 15th Annual ENETS conference (2018)
Category: Basic Science - Genetics, epigenetics, miRNAs, Omics
Presenting Author: Timon Vandamme
#440 The First Neuroendocrine Tumor Methylome Using Methylation-Specific Immunoprecipitation Followed by Second Generation Sequencing – MeDIP-seq
Introduction: Recently, the first cancer methylomes have been created which identified differential methylation at CpG island-shores (2kb upstream of CpG islands) to be of particular importance in the tumourigenic process.
Conference: 9th Annual ENETS Conference (2012)
Category: Basic
Presenting Author: Dr Christina Thirlwell
Authors: Thirlwell C, Sasmaz S, Dibra H, Feber A, ...
#2076 Pancreatic Neuroendocrine Tumor in Polish Population with MEN 1 Syndrome
Introduction: The multiple endocrine neoplasia type 1 (MEN 1) is a genetically conditioned syndrome which is characterised by usually mild parathyroid and pituary gland adenomas, pancreatic neuroendocrine tumor (pNET). The last appear in 30-70% of MEN 1 patients being main life-threatening manifstation among MEN 1 patients. The prognosis might improve by presymptomatic tumor detection.
Conference: 15th Annual ENETS conference (2018)
Category: Endocrine malignancies (MTC, pheochromocytoma) - diagnosis and therapy
Presenting Author: MD Przemysław Soczomski
#2162 Single Cell Copy Number Variation Analysis (CNV) of Circulating Tumor Cells (CTCs) in Neuroendocrine Tumor (NET) Patients
Introduction: The identification and characterization of CTCs as part of a minimally invasive “liquid biopsy” provides an opportunity to explore NET biology, identify therapeutic targets and investigate tumour heterogeneity.
Conference: 15th Annual ENETS conference (2018)
Category: Basic Science - In vitro models, tumor growth, CTCs
Presenting Author: Dr Alexa Childs
Authors: Childs A, Vesely C, Rizzo F M, Ensell L, ...
#2975 Next Generation Sequencing of Pancreatic Neuroendocrine Tumors in Russian Cohort
Introduction: The appearance of next generation sequencing (NGS), - a powerful high-performance method, allowed accumulation of a large amount of information concerning genetic and epigenetic patterns, however, the problem of matching clinical, histological picture with genetic structure in pNETs remains open.
Conference: 17th Annual ENETS Conference (2020)
Category: Trials in Progress/Trials in Concept
Presenting Author: PhD Vladimir Trifanov
#2139 Genome-Wide DNA Methylation Profiling of Pancreatic Neuroendocrine Tumors
Introduction: Frequent inactivation of epigenetic regulators ATRX and DAXX in pancreatic neuroendocrine tumors (PNETs) suggests an important role for epigenetic alterations in tumorigenesis. Few studies have been published regarding differential methylation patterns in PNETs and a thorough analysis of these alterations is currently lacking.
Conference: 15th Annual ENETS conference (2018)
Category: Basic Science - Genetics, epigenetics, miRNAs, Omics
Presenting Author: Gitta Boons
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