Loss of the tight junction protein ZO-1 in dextran sulfate sodium induced colitis

LS Poritz, KI Garver, C Green, L Fitzpatrick… - Journal of Surgical …, 2007 - Elsevier
BACKGROUND: Inflammatory bowel disease (IBD) is associated with increased intestinal
permeability and decreased expression of tight junction (TJ) proteins in the inflamed mucosa. …

Challenges in IBD research: preclinical human IBD mechanisms

…, WS Garrett, A Fichera, LS Poritz… - Inflammatory bowel …, 2019 - academic.oup.com
Preclinical human IBD mechanisms is part of five focus areas of the Challenges in IBD
research document, which also include environmental triggers, novel technologies, precision …

Dehydration is the most common indication for readmission after diverting ileostomy creation

…, D Stewart, K McKenna, LS Poritz - Diseases of the colon …, 2012 - journals.lww.com
BACKGROUND: Early readmission after discharge from the hospital is an undesirable
outcome. Ileostomies are commonly used to prevent symptomatic anastomotic complications in …

Increase in the tight junction protein claudin-1 in intestinal inflammation

LS Poritz, LR Harris, AA Kelly, WA Koltun - Digestive diseases and …, 2011 - Springer
Background and Aims Studies have shown a decrease in key tight junction (TJ) proteins such
as ZO-1 and occludin in both inflammatory bowel disease (IBD) and experimental models …

Remicade® does not abolish the need for surgery in fistulizing Crohn's disease

LS Poritz, WA Rowe, WA Koltun - Diseases of the colon & rectum, 2002 - Springer
PURPOSE: Tumor necrosis factor antagonist therapy in the form of infliximab has been
shown to promote significant healing in fistulizing Crohn’s disease and therefore is often …

Identification of disease‐associated DNA methylation in intestinal tissues from patients with inflammatory bowel disease

…, X Chen, P Faber, Y Wang, AA Kelly, LS Poritz… - Clinical …, 2011 - Wiley Online Library
Lin Z, Hegarty JP, Cappel JA, Yu W, Chen X, Faber P, Wang Y, Kelly AA, Poritz LS, Peterson
BZ, Schreiber S, Fan J‐B, Koltun WA. Identification of disease‐associated DNA methylation …

Tumor necrosis factor alpha disrupts tight junction assembly

LS Poritz, KI Garver, AF Tilberg, WA Koltun - Journal of Surgical Research, 2004 - Elsevier
BACKGROUND: We have previously shown an increase in intestinal permeability and a
corresponding decrease in the expression of tight junction (TJ) proteins in the in testines of …

Risk factors for surgical site infections after colorectal resection in diabetic patients

R Sehgal, A Berg, R Figueroa, LS Poritz… - Journal of the American …, 2011 - Elsevier
BACKGROUND:: Surgical site infections (SSIs) are a well known complication of
gastrointestinal surgery and associated with an increased morbidity, mortality and overall cost. …

The TNFSF15 gene single nucleotide polymorphism rs7848647 is associated with surgical diverticulitis

…, JP Hegarty, S Deiling, D Brinton, LS Poritz… - Annals of …, 2014 - journals.lww.com
Objective: To determine if single nuclear polymorphisms (SNPs) in the TFNSF15 gene play
a role in patients requiring surgery for diverticulitis. Background: A role for a genetic …

Infliximab and/or azathioprine in the treatment of Crohn's disease-like complications after IPAA

LA Haveran, R Sehgal, LS Poritz… - Diseases of the colon …, 2011 - journals.lww.com
PURPOSE: Ileal pouch-anal anastomosis continues to be confounded by Crohn's disease-like
complications after surgery. Such patients experience significant morbidity and often …