Prions are normal proteins found on the surface of cells throughout the body.
The mutation involves the deletion of part of a gene on the surface of cells.
They are limited to targets that are floating in the bloodstream or are on the surface of cells.
When expressed on the surface of cells, ACVR1 receives signals from a molecule called bone morphogenetic protein.
His main achievement was demonstrating that molecules on the surface of cells, now called HLA antigens, determine an individual's immune response.
Doctors believe that the diseases develop when a normal protein found on the the surface of cells somehow misfolds into an abnormal shape.
Histamine works by binding to histamine receptors on the surface of cells.
The surface of cells is important in coordinating their activities within tissues.
In one discovery, scientists from Harvard Medical School and the University of Wisconsin said that after a decade's search they had found the receptor on the surface of cells that was targeted by the anthrax toxin.
Mainly found in certain immune system cells, the receptors sit on the surface of cells or, in some cases, inside them, and recognize particular telltale characteristics or components of pathogens.
Receptors are found on the surface of cells, much like pins sticking out of a pin cushion, and act as a sort of docking port, sometimes for lethal viruses.
