Nervous System Diseases

Time for a new definition

November 18, 2015

Researchers uncover diverse subtypes of serotonin-producing neurons

By Stephanie Dutchen, HMS Writer/Editor

It used to be enough to call a serotonergic neuron a serotonergic neuron.

These brain cells make the neurotransmitter serotonin, which helps regulate mood, appetite, breathing rate, body temperature and more.

Recently, however, scientists have begun to learn that these neurons differ from one another—and that the differences likely matter in dysfunction and disease.

Pain in a dish

November 24, 2014

Turning skin cells into pain-sensing neurons


Human noxious stimulus detecting sensory neurons produced by converting skin cells with a set of five genes to this new fate—enabling study of "pain"in a dish. (Credit: Elizabeth Buttermore, PhD)