Reinhard Jahn

Bernd Nilius

Thomas Gudermann

Roland Lill

Ole H. Petersen

Susan G. Amara

Stefan Offermanns

T. Büch, E. Schäfer, D. Steinritz, A. Dietrich, T. Gudermann: Chemosensory TRP Channels in the Respiratory Tract: Role in Toxic Lung Injury and Potential as "Sweet Spots" for Targeted Therapies. D.C. Zebrowski and F. B. Engel: The Cardiomyocyte Cell Cycle in Hypertrophy, Tissue Homeostasis, and Regeneration. P. Hegyi and O.H. Petersen: The Exocrine Pancreas: The Acinar -Ductal Tango in Physiology and Pathophysiology.

Reviews of Physiology, Biochemistry and Pharmacology, Vol. 165

Induced pluripotent stem cells in cardiovascular research.- TRPs in the brain.- The channel physiology of the skin.

Reviews of Physiology, Biochemistry and Pharmacology, Vol. 163

Ernst Bamberg

Sergio Grinstein

Steven C. Hebert

W.J. Lederer

Atsushi Miyajima

H. Murer

G. Schultz

M. Schweiger

Gastric acid plays a primary role in digestion as well as in the sterilization of food and water. Gastric juice contains the most concentrated physiological acid solution (pH~1) as a result + – of H and Cl ion secretion [hydrochloric acid (HCl) production] by parietal cells in the oxyntic mucosa of the stomach. The combined output of the parietal cells leads to the sec- tion of 1–2 l of HCl at a concentration of 150–160 mmol/l into the interior of the stomach. In order to facilitate the production of acid, the parietal cell relies on the generation of a high + concentration of H ions that are transported into the lumen of the gland. This process is fa- + + cilitated by activation of the gastric H ,K -ATPase, which translocates to the apical pole of + – the parietal cell. K as well as ATP hydrolysis and Cl all play critical roles in the activation + + of gastric H ,K -ATPase and are essential for the functioning of the enzyme (Reenstra and Forte 1990). This review will examine the classical proteins that have been linked to acid secretion as well as some recently identi?ed proteins that may modulate gastric acid secretion, in - dition we discuss the known secretagogues, and their receptors including a new receptor, which upon stimulation can lead to acid secretion.

Reviews of Physiology, Biochemistry and Pharmacology 156

William J. Lederer

Bernd K. Fleischmann

F. Schweda and A. Kurtz: Regulation of Renin Release by Local and Systemic Factors M. Krauss and V. Haucke: Shaping Membranes for Endocytosis B.M. Jockusch and P.L. Graumann: The Long Journey: Actin on the Road to Pro- and Eukaryotic Cells B. Colsoul, R. Vennekens and B. Nilius: Transient Receptor Potential (TRP) Cation Channels in Pancreatic ß cells

Reviews of Physiology, Biochemistry and Pharmacology 161

Susan G. Amara

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