An acetylcholine receptor (green) forms a gated ion channel in the plasma membrane. This receptor is a membrane protein with an aqueous pore, meaning it allows soluble materials to travel across the ...

Ion selectivity is an important property of cell membrane ion channels. For example, potassium ion channels are more permeable to potassium ions than to sodium ions. The mechanism underlying the ready ...

This news release is available in German. Ion channels are essential structures of life. Ion channels are specialized pores in the cell membrane and move charged atoms known as ions in and out of ...

A new study has rewritten the conventionally understood evolutionary history of certain ion channels -- proteins critical for electrical signaling in the nervous system. The study shows that the ...

Maintenance of cardiac rhythm and pain sensation require the flow of ions across the membranes of all cells. Ion channels, which facilitate this movement, are protein assemblies that penetrate the ...

Ion channels enable passive ion flow towards equilibrium, which is driven by ion concentration differences across the membrane and the membrane potential (the difference electric potential between the ...

Ion channels, which allow potassium and sodium ions to flow in and out of cells, are crucial in neuronal 'firing' in the central nervous system and for brain and heart function. These channels use a ' ...

Researchers from École Polytechnique Fédérale de Lausanne, Switzerland (EPFL) have mapped the molecular workings of potassium ion channels within the brain. The study titled, “A kinetic map of the ...

The design of new calcium channels, built bottom-up from scratch, was reported last week in Nature. "Biochemists have been studying ion channels for decades and debating about how they work for almost ...

When a scrappy team of scientists joined forces in the late 1990s, they sought to identify genetic mutations that could have an outsized impact on the treatment of human disease. At the time, that ...