Mutations in Nature Conferred a High Affinity Phosphatidylinositol 4,5-Bisphosphate-binding Site in Vertebrate Inwardly Rectifying Potassium Channels.

All vertebrate inwardly rectifying potassium (Kir) channels are activated by phosphatidylinositol 4,5-bisphosphate (PIP2) (Logothetis, D. E., Petrou, V.

High rate of clinical and endoscopic relapse after healing of erosive peptic esophagitis in children and adolescents.

Objectives: The aim of the present study was to estimate the rate of clinical and endoscopic relapse after initial treatment of erosive peptic esophagitis in children and adolescents.

Methods: A total of 24 patients (2.1-16.

Gastric emptying evaluation in children with erosive gastroesophageal reflux disease.

Background/aims: Delayed gastric emptying may be an important contributing factor to gastroesophageal reflux disease (GERD) in children, but there are limited data on its evaluation in children with erosive-GERD. This study aims to evaluate the gastric emptying of a solid meal in patients with erosive-GERD.

Methods: Nineteen patients (age range 8.