Science Update: Researchers identify two cell types that produce melatonin in pineal gland
The brain’s pineal gland has two kinds of pinealocytes—cells that make melatonin—the hormone that regulates the body’s sleep and wake cycles, according to a rodent study conducted by researchers at the National Institutes of Health. The findings have the potential to inform future research on disorders that involve melatonin, such as jet lag and seasonal affective disorder.