Cell membranes protect and organize cells. All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in. Unlike ...

Lipid bilayers in mammalian membranes can have a more asymmetric composition than previously thought, new research shows.

Lipid bilayers in mammalian membranes can have a more asymmetric composition than previously thought, new research shows.

"These changes make the apical membrane—the top of the cell—less stiff and certain constituents of the tight junctions more mobile, without however affecting the barrier formed by these ...