Publications by authors named "Nicholas Stylopoulos"

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Baseline metabolomic profile as potential biomarker for weight change after Roux-en-Y gastric bypass (RYGB) surgery.
Vidhu Thaker, Wanjun Gu, Shuliang Deng, Nicholas Stylopoulos, Clary Clish

Res Sq· September 2025

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Gut adaptation after gastric bypass in humans reveals metabolically significant shift in fuel metabolism.
Margaret A Stefater-Richards, Courtney Panciotti, Henry A Feldman, William F Gourash, Eleanor Shirley, Nicholas Stylopoulos

Obesity (Silver Spring)· January 2023

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Effect of Diet versus Gastric Bypass on Metabolic Function in Diabetes.
Nima Saeidi, Margaret Stefater, Nicholas Stylopoulos

N Engl J Med· December 2020

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Endoscopic ultrasound-guided sampling and profiling of portal circulation in human patients for metabolic research studies and biomarker assessment.
Marvin Ryou, Nicholas Stylopoulos

Am J Physiol Gastrointest Liver Physiol· November 2020

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Nonalcoholic fatty liver disease and portal hypertension.
Marvin Ryou, Nicholas Stylopoulos, Gyorgy Baffy

Explor Med· June 2020

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Differential Metabolomic Signatures in Patients with Weight Regain and Sustained Weight Loss After Gastric Bypass Surgery: A Pilot Study.
Wasif Abidi, Eirini Nestoridi, Henry Feldman, Margaret Stefater, Clary Clish, Nicholas Stylopoulos

Dig Dis Sci· April 2020

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Gastrointestinal Hormone Profiles Associated With Enteral Nutrition Tolerance and Gastric Emptying in Pediatric Critical Illness: A Pilot Study.
Enid E Martinez, Courtney Panciotti, Luis M Pereira, Mark D Kellogg, Nicholas Stylopoulos

JPEN J Parenter Enteral Nutr· March 2020

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Portal Venous Metabolite Profiling After RYGB in Male Rats Highlights Changes in Gut-Liver Axis.
Margaret A Stefater, Julian A Pacheco, Kevin Bullock, Kerry Pierce, Amy Deik, Nicholas Stylopoulos

J Endocr Soc· February 2020

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Intestine-Specific Overexpression of LDLR Enhances Cholesterol Excretion and Induces Metabolic Changes in Male Mice.
Luca Meoli, Danny Ben-Zvi, Courtney Panciotti, Stephanie Kvas, Palmenia Pizarro, Nicholas Stylopoulos

Endocrinology· April 2019

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The Feasibility of Examining the Effects of Gastric Bypass Surgery on Intestinal Metabolism: Prospective, Longitudinal Mechanistic Clinical Trial.
Anita P Courcoulas, Margaret A Stefater, Eleanor Shirley, William F Gourash, Nicholas Stylopoulos

JMIR Res Protoc· January 2019

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Nonalcoholic fatty liver disease and gastric bypass surgery regulate serum and hepatic levels of pyruvate kinase isoenzyme M2.
Luca Meoli, Nitin K Gupta, Nima Saeidi, Courtney A Panciotti, Sudha B Biddinger, Nicholas Stylopoulos

Am J Physiol Endocrinol Metab· October 2018

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Publisher Correction: Inactivating hepatic follistatin alleviates hyperglycemia.
Rongya Tao, Caixia Wang, Oliver Stöhr, Wei Qiu, Yue Hu, Nicholas Stylopoulos

Nat Med· October 2018

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Time-Dependent Molecular Responses Differ between Gastric Bypass and Dieting but Are Conserved Across Species.
Danny Ben-Zvi, Luca Meoli, Wasif M Abidi, Eirini Nestoridi, Courtney Panciotti, Nicholas Stylopoulos

Cell Metab· August 2018

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Inactivating hepatic follistatin alleviates hyperglycemia.
Rongya Tao, Caixia Wang, Oliver Stöhr, Wei Qiu, Yue Hu, Nicholas Stylopoulos

Nat Med· July 2018

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Critical role for arginase 2 in obesity-associated pancreatic cancer.
Tamara Zaytouni, Pei-Yun Tsai, Daniel S Hitchcock, Cory D DuBois, Elizaveta Freinkman, Nicholas Stylopoulos

Nat Commun· August 2017

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Reversible hyperphagia and obesity in rats with gastric bypass by central MC3/4R blockade.
Michael B Mumphrey, Zheng Hao, R Leigh Townsend, Laurel M Patterson, Christopher D Morrison, Nicholas Stylopoulos

Obesity (Silver Spring)· August 2014

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GLP-1 receptor signaling is not required for reduced body weight after RYGB in rodents.
Jianping Ye, Zheng Hao, Michael B Mumphrey, R Leigh Townsend, Laurel M Patterson, Nicholas Stylopoulos

Am J Physiol Regul Integr Comp Physiol· March 2014

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Reprogramming of intestinal glucose metabolism and glycemic control in rats after gastric bypass.
Nima Saeidi, Luca Meoli, Eirini Nestoridi, Nitin K Gupta, Stephanie Kvas, Nicholas Stylopoulos

Science· July 2013

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Probing the mechanisms of the metabolic effects of weight loss surgery in humans using a novel mouse model system.
John Kucharczyk, Eirini Nestoridi, Stephanie Kvas, Robert Andrews, Nicholas Stylopoulos

J Surg Res· January 2013

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Isolated duodenal exclusion increases energy expenditure and improves glucose homeostasis in diet-induced obese rats.
Rodrigo Muñoz, Jill S Carmody, Nicholas Stylopoulos, Philip Davis, Lee M Kaplan

Am J Physiol Regul Integr Comp Physiol· November 2012

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Melanocortin-4 receptor signaling is required for weight loss after gastric bypass surgery.
Ida J Hatoum, Nicholas Stylopoulos, Amanda M Vanhoose, Kelli L Boyd, Deng Ping Yin

J Clin Endocrinol Metab· June 2012

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Resting energy expenditure and energetic cost of feeding are augmented after Roux-en-Y gastric bypass in obese mice.
Eirini Nestoridi, Stephanie Kvas, John Kucharczyk, Nicholas Stylopoulos

Endocrinology· May 2012

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Mechanisms of bariatric surgery and implications for the development of endoluminal therapies for obesity.
Nicholas Stylopoulos, Vincent Aguirre

Gastrointest Endosc· December 2009

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Roux-en-Y gastric bypass enhances energy expenditure and extends lifespan in diet-induced obese rats.
Nicholas Stylopoulos, Alison G Hoppin, Lee M Kaplan

Obesity (Silver Spring)· October 2009

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An endoluminal sleeve induces substantial weight loss and normalizes glucose homeostasis in rats with diet-induced obesity.
Vincent Aguirre, Nicholas Stylopoulos, Ronit Grinbaum, Lee M Kaplan

Obesity (Silver Spring)· December 2008

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