Sticking together

Sticking together.

R signals at the neuromuscular junction and at synapses between neurons are carried by small molecules, called neurotransmitters, that are released from the presynaptic terminal and bind to ligand-gated ion channels in the postsynaptic membrane. When transmitter binds, a small pore opens through which ions flow, resulting in a transient depolarization or hyperpolarization of the membrane and tr...

Sticking together a signal

In This Issue In This Issue Let's make liver etoxification is what livers do best, and regenerating after toxic insults is what livers do second best. All that proliferative capacity suggests that liver stem cells might be a very different and more prevalent beast than stem cells from other organs. But, on page 173, Suzuki et al. report that the fetal mouse liver, just like the adult bone marro...

Epithelium: sticking it out, together.

SOME CELLS LIVE WITHIN A COMMUNITY of neighboring cells, restricted in time and space, most prominently interacting with cells of similar functions. Some cells live within fixed positions, surrounded on all sides by a loose forest of matrix proteins. Some cells live as nomads, wandering throughout the body, responding to needs as they arise. Each cell is part of an elaborate orchestra, coordina...

A brotherhood of foxes: generalists sticking together.

Sticking together: teaching, learning and the art of research

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