10 results match your criteria: "Department of Veterans Affairs Medical Center and University of Texas Southwestern Medical Center[Affiliation]"

Article Synopsis
  • The study investigates the unknown causes of subsquamous intestinal metaplasia (SSIM) in Barrett's esophagus (BE) using a rat model, where glands are found beneath esophageal squamous tissue due to a wound-healing response.
  • Researchers created human Barrett's organoids from patient biopsies and discovered that acidic bile salts can induce changes resembling EMP (epithelial-mesenchymal plasticity), which helps cells migrate and contributes to the development of SSIM.
  • The findings suggest that reflux can trigger EMP in human Barrett's cells, allowing them to move beneath squamous tissue, potentially leading to SSIM, and the established organoids can serve as valuable models
View Article and Find Full Text PDF

Background And Objectives: Gastric ischemic preconditioning has been proposed to improve blood flow and reduce the incidence of anastomotic complications following esophagectomy with gastric pull-up. This study aimed to evaluate the effect of prolonged ischemic preconditioning on the degree of neovascularization in the distal gastric conduit at the time of esophagectomy.

Methods: A retrospective review of a prospectively maintained database identified 30 patients who underwent esophagectomy.

View Article and Find Full Text PDF

Increased Risk of Esophageal Eosinophilia and Eosinophilic Esophagitis in Patients With Active Celiac Disease on Biopsy.

Clin Gastroenterol Hepatol

August 2015

Center for Esophageal Diseases and Swallowing, Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina; Center for Gastrointestinal Biology and Disease, Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina. Electronic address:

Background & Aims: The possible association between eosinophilic esophagitis (EoE) and celiac disease is controversial because prior results have been contradictory. We aimed to determine the relationship between EoE and celiac disease among patients with concomitant esophageal and duodenal biopsies.

Methods: We conducted a cross-sectional study in a U.

View Article and Find Full Text PDF

Esophageal eosinophilia is increased in rural areas with low population density: results from a national pathology database.

Am J Gastroenterol

May 2014

1] Center for Esophageal Diseases and Swallowing, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA [2] Division of Gastroenterology and Hepatology, Department of Medicine, Center for Gastrointestinal Biology and Disease, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA [3] The last two authors are co-last authors.

Objectives: Eosinophilic esophagitis (EoE) is an increasingly prevalent chronic disease arising from an allergy/immune-mediated process. Generally, the risk of atopic disease differs in rural and urban environments. The relationship between population density and EoE is unknown.

View Article and Find Full Text PDF

Collapsing glomerulopathy is a pathologic diagnosis characterized by obliteration of glomerular capillary lumina, seen most commonly as a primary glomerular disease in young black men. A secondary form with almost identical pathologic features is described in association with human immunodeficiency virus infection. The disease is characterized by heavy proteinuria with variable renal insufficiency at the onset followed by rapid progression to end-stage renal disease with no documented effective therapy.

View Article and Find Full Text PDF

Carbohydrate-responsive element-binding protein (ChREBP) is a new transcription factor that binds to the carbohydrate-responsive element of the l-type pyruvate kinase gene (l-PK). The aim of this study was to investigate the mechanism by which feeding high fat diets results in decreased activity of ChREBP in the liver (Yamashita, H., Takenoshita, M.

View Article and Find Full Text PDF

Recently we purified and identified a previously uncharacterized transcription factor from rat liver binding to the carbohydrate responsive element of the L-type pyruvate kinase (L-PK) gene. This factor was named carbohydrate responsive element binding protein (ChREBP). ChREBP, essential for L-PK gene transcription, is activated by high glucose and inhibited by cAMP.

View Article and Find Full Text PDF

This literature review and the recommendations therein were prepared for the American Gastroenterological Association Clinical Practice and Practice Economics Committee. The paper was approved by the committee on September 27, 1998.

View Article and Find Full Text PDF

This document presents the official recommendations of the American Gastroenterological Association (AGA) on treatment of patients with dysphagia caused by benign disorders of the distal espophagus. It was approved by the Clinical Practice and Practice Economics Committee on September 27, 1998, and by the AGA Governing Board on November 8, 1998.

View Article and Find Full Text PDF

Acute hormonal modulation of NHE3 activity is partly mediated by kinases, including protein kinase C (PKC). We examined the role of NHE3 phosphorylation in regulating its activity in response to PKC activation by phorbol 12-myristate 13-acetate (PMA). In pooled NHE-deficient fibroblasts transfected with NHE3, PMA increased NHE3 activity and phosphorylation.

View Article and Find Full Text PDF