Latest Dynorphin Stories
Scientists have discovered how the element sodium influences the signaling of a major class of brain cell receptors, known as opioid receptors.
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.
Feelings of anxiety very effectively prevent people from getting into situations that are too dangerous.
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.
Effect is on pathways that regulate serotonin and can lead to low mood.
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...
- 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.