Physiology of epithelial chloride and fluid secretion

RA Frizzell, JW Hanrahan - Cold Spring …, 2012 - perspectivesinmedicine.cshlp.org
Epithelial salt and water secretion serves a variety of functions in different organ systems,
such as the airways, intestines, pancreas, and salivary glands. In cystic fibrosis (CF), the …

Ion channels in the RPE

S Wimmers, MO Karl, O Strauss - Progress in retinal and eye research, 2007 - Elsevier
In close interaction with photoreceptors, the retinal pigment epithelium (RPE) plays an
essential role for visual function. The analysis of RPE functions, specifically ion channel …

Physiology and pathophysiology of potassium channels in gastrointestinal epithelia

D Heitzmann, R Warth - Physiological reviews, 2008 - journals.physiology.org
Epithelial cells of the gastrointestinal tract are an important barrier between the “milieu
interne” and the luminal content of the gut. They perform transport of nutrients, salts, and …

Small and intermediate conductance Ca2+-activated K+ channels confer distinctive patterns of distribution in human tissues and differential cellular localisation in …

MX Chen, SA Gorman, B Benson, K Singh… - Naunyn-Schmiedeberg's …, 2004 - Springer
The SK/IK family of small and intermediate conductance calcium-activated potassium
channels contains four members, SK1, SK2, SK3 and IK1, and is important for the regulation …

Molecular diversity and function of voltage-gated (Kv) potassium channels in epithelial cells

SM O'Grady, SY Lee - The international journal of biochemistry & cell …, 2005 - Elsevier
Voltage-gated K+ channels belonging to Kv1–9 subfamilies are widely expressed in
excitable cells where they play an essential role in membrane hyperpolarization during an …

Colonic potassium handling

MV Sorensen, JE Matos, HA Praetorius… - Pflügers Archiv-European …, 2010 - Springer
Homeostatic control of plasma K+ is a necessary physiological function. The daily dietary K+
intake of~ 100 mmol is excreted predominantly by the distal tubules of the kidney. About …

Distal colonic K+ secretion occurs via BK channels

M Sausbier, JE Matos, U Sausbier… - Journal of the …, 2006 - journals.lww.com
K+ secretion in the kidney and distal colon is a main determinant of K+ homeostasis. This
study investigated the identity of the relevant luminal secretory K+ ion channel in distal …

Ca2+-activated K+ Channels in Murine Endothelial Cells: Block by Intracellular Calcium and Magnesium

J Ledoux, AD Bonev, MT Nelson - The Journal of general physiology, 2008 - rupress.org
The intermediate (IKCa) and small (SKCa) conductance Ca2+-sensitive K+ channels in
endothelial cells (ECs) modulate vascular diameter through regulation of EC membrane …

Regulation of cell proliferation by intermediate-conductance Ca2+-activated potassium and volume-sensitive chloride channels in mouse mesenchymal stem cells

R Tao, CP Lau, HF Tse, GR Li - American Journal of …, 2008 - journals.physiology.org
Bone marrow mesenchymal stem cells (MSCs) are a promising cell source for regenerative
medicine; however, their cellular physiology is not fully understood. The present study aimed …

Zinc inhibits cAMP-stimulated Cl secretion via basolateral K-channel blockade in rat ileum

KM Hoque, VM Rajendran… - American Journal of …, 2005 - journals.physiology.org
Zn, an essential micronutrient and second most abundant trace element in cell and tissues,
reduces stool output when administered to children with acute diarrhea. The mechanism by …