Latest Dynorphin Stories

Scientists Solve Mystery Of How Sodium Controls Opioid Brain Signaling
2014-01-13 07:13:26

Scientists have discovered how the element sodium influences the signaling of a major class of brain cell receptors, known as opioid receptors.

2013-06-13 09:58:47

Scientists at The Scripps Research Institute (TSRI) have found evidence that an emotion-related brain region called the central amygdala—whose activity promotes feelings of malaise and unhappiness—plays a major role in sustaining cocaine addiction.

2012-07-06 10:25:40

Feelings of anxiety very effectively prevent people from getting into situations that are too dangerous.

2012-06-27 00:56:05

Prenatal exposure to the environmental contaminants polychlorinated biphenyls, or PCBs, causes long-term changes to the developing brain that have adverse effects on reproductive function later in life.

2009-10-30 17:21:08

Effect is on pathways that regulate serotonin and can lead to low mood.

2009-03-20 11:01:39

A study of rodents confirmed that low-to-moderate levels of alcohol alter beta-endorphins producing a general feeling of well-being, Canadian researchers said. Corresponding author Christina Gianoulakis of McGill University in Montreal said alcohol may increase or decrease the release and the synthesis of endogenous opioid peptides -- endorphins released during excitement, pain and orgasm -- in distinct brain regions important for drug addiction. Some of the functions of opioid peptides are...

Word of the Day
  • A person who stands up for something, as contrasted to a bystander who remains inactive.
  • One of the upright handlebars on a traditional Inuit sled.
The word 'upstander' in the first sense here is a play on the word 'bystander' and the idea of 'standing up' for something.