ionotropic P2X receptors

Ionotropic P2X receptors are specialized proteins found on cell membranes that act as gateways for ions, like calcium and sodium, to enter cells. They are activated by ATP, a chemical energy molecule that signals various functions, including nerve communication and immune responses. When ATP binds to these receptors, they open quickly, allowing ions to flow in and trigger important cellular activities. P2X receptors are involved in processes such as pain sensation, inflammation, and muscle movement, making them crucial for maintaining healthy bodily functions.