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Medicine and Health Sciences Commons

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Obesity

Technological University Dublin

Biology

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Full-Text Articles in Medicine and Health Sciences

Visceral Adipose Tissue Modulates Radiosensitivity In Oesophageal Adenocarcinoma, Ann Marie Mongan, Niamh Lynam-Lennon, Suzanne Doyle, Rory Casey, Eibhlin Carr, Aoife Cannon, Melissa J Conroy, Graham P Pidgeon, Lorraine Brennan, Joanne Lysaght, John V. Reynolds, Jacintha O’Sullivan Jan 2019

Visceral Adipose Tissue Modulates Radiosensitivity In Oesophageal Adenocarcinoma, Ann Marie Mongan, Niamh Lynam-Lennon, Suzanne Doyle, Rory Casey, Eibhlin Carr, Aoife Cannon, Melissa J Conroy, Graham P Pidgeon, Lorraine Brennan, Joanne Lysaght, John V. Reynolds, Jacintha O’Sullivan

Articles

Oesophageal adenocarcinoma (OAC) is an exemplar model of obesity-associated cancer. Response to neoadjuvant chemoradiotherapy (NA CRT) is a clinical challenge. We examined if visceral adipose tissue and obesity status alter radiosensitivity in OAC. The radioresistant (OE33R) and radioresponsive (OE33P) OAC isogenic model was cultured with adipose tissue conditioned media from three patient cohorts: non-cancer patients, surgery only OAC patients and NA CRT OAC patients. Cell survival was characterised by clonogenic assay, metabolomic profiling by nuclear magnetic resonance spectroscopy and adipokine receptor gene expression by qPCR. A retrospective in vivo study compared tumour response to NA CRT in normal weight (n=53) …