Citation Sheh, A. et al. " Mutagenic potency of Helicobacter pylori in the gastric mucosa of mice is determined by sex and duration of infection. Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. The MIT Faculty has made this article openly available. Please share how this access ben...

A 66-year-old man with a history of asthma presented with abdominal distension of one month in duration. Computed tomography revealed jejunal wall thickening and distended loops of small bowel (Picture 1). Double-balloon enteroscopy revealed numerous polypoid, worm-like, 1-5 cm masses, while the mucosa in the duodenum and ileum had a normal appearance (Picture 2, 3). One of the masses was remov...

Ghrelin, a peptide hormone, has several functions, of which the best known is its growth hormone (GH)-releasing effect in the pituitary. It also increases appetite and feeding behavior. Recent studies have implicated ghrelin in the regulation of gastrointestinal, cardiovascular, and immune function, and suggest a role for ghrelin in bone physiology. In this study, the effect of chronically admi...

OBJECTIVE To report the first case of duloxetine hydrochloride (DH)-induced oral lichenoid drug reaction (OLDR). CLINICAL PRESENTATION AND INTERVENTION A 57-year-old male patient presented with painful ulcerative lesions on the bilateral buccal mucosa of 2-year duration. The patient was on multiple drug therapy for his systemic ailments. After thorough evaluation for possible medical ailments...

hydrogen sulfide (h2s) has been shown to protect the gastric mucosa through several protective mechanisms but till now its effect on mrna expression of sodium bicarbonate cotransporter 1 (nbc1), trefoil factor1 (tff1) and trefoil factor2 (tff2) was not investigated. this study was aimed to evaluate the effect of h2s on mrna expression of nbc1, tff1 and tff2 in rat gastric mucosa in response to ...

Methods CRS was diagnosed based on symptoms, nasal endoscopy and CT scan. Sinonasal mucosa (uncinate process) or middle meatal polyp tissue were obtained from 31 untreated CRS patients (18 CRSwNP and 13 CRSsNP) and analyzed histopathologicaly and by flow cytometry. Patients were subsequently treated medically and if unresponsive surgically. The average follow up duration was 15,8 ± 4,6 months a...

abstract background: the readiness of mothers to take care for infants at discharge is a critical issue. poor readiness of mothers in taking care of premature infants at the time of discharge is associated with potential adverse consequences. this study examined the effect of implementing mothers’ empowerment program on the weight gain and duration of hospitalization in premature infants. mater...

Several acute and chronic inflammatory pathologies of the lung are accompanied by structural modifications of airway mucosa that vary depending on the severity, duration and type of the disease. These morphological changes, that determine organ dysfunction, are not always reversible. Indeed, the cycle of injury and repair, influencing airway wall regeneration, may sometimes break off and an exa...