Tag: "dopamine" at medical news
Jefferson scientists find new way to convert adult human stem cells to dopamine neurons
...newly differentiated cells didn't merely look like dopamine
neurons, but expressed traits of neurons and relat... scientists also found a second enzyme involved in dopamine
production, and an important molecule called the dopamine
transporter. Interestingly, Dr. Iacovitti...
Mixed signals to blame for restless legs syndrome
... of active TH. Although this should result in more dopamine
being made, in fact, the proper regulation of dopamine
production is only possible with both active TH and adequate levels of iron. "We think the 'active f...
Marijuana-like compounds may aid array of debiliating conditions ranging from Parkinson's to pain
...erapies that can help replenish depleted levels of dopamine
and provide symptomatic relief, but none can rever... given an injection of the toxin MPTP, which kills dopamine
brain cells and induces symptoms seen in Parkinson's disease. The mice received a single injection o...
Smoking affects same 'feel good' brain chemical system as heroin
...mine. Now, the team is studying the interaction of dopamine
and opioids in the brains of smokers and non-smoke...an before. Since smoking stimulates the release of dopamine
in some of the same areas of the brain, Zubieta and his colleagues speculate that the connection bet...
Dopamine key to learning likes and dislikes, says Colorado U. team
...nson's disease patients found strong evidence that dopamine
in the brain plays a key role in how people implic...emical, these results provide strong evidence that dopamine
levels play a critical role in developing our likes and dislikes," Frank said. Much of what is know...
Two-fisted assault on dopamine transport system may be foundation of Parkinson's disease
...ls, the destruction of microtubules that transport dopamine
to the brain's movement cente, and eventual death ...nked to Parkinson's disease affect the survival of dopamine
neurons by dueling on a common molecular target -- microtubules -- that are critical for the surviva...
New study in NEJM suggests levodopa may slow progression of Parkinson's disease
...." The most effective treatment for Parkinson's is dopamine
replacement therapy with the drug levodopa, which is changed to dopamine
in the brain. Levodopa is commonly sold in combination with carbidopa under the brand name "Sinemet"...
U of M research explores addiction as a computational process
... model was developed based on two hypotheses: that dopamine
serves as a reward-error learning signal to produc...al brain, and that cocaine produces an increase in dopamine
directly in phases. The research will be published in the December 10 issue of Science . Addi...
Requip tablets treat symptoms of primary RLS
...Requip Requip is a second-generation non-ergoline dopamine
agonist that directly stimulates dopamine
receptors in the brain. While the exact cause of primary RLS is unknown, doctors believe it is caus...
Mayo Clinic finds restless legs syndrome in children linked to family history, iron deficiency
...able using medications that increase the levels of dopamine
in the central nervous system. Dr. Kotagal notes t...ron seems to be very important to the synthesis of dopamine
in the body. He says that there is not yet sufficient evidence, however, that treatment with iron he...
PCBs, fungicide open brain cells to Parkinson's assault
...ribes how polychlorinated biphenyls (PCBs) disrupt dopamine
neurons, which are the cells that degenerate durin...es of cells. Environmental contaminants might make dopamine
cells more vulnerable to damage from normal aging, infection, or subsequent exposure to pollutants, ...
Physical activity linked to protection from Parkinson's disease
...after age 50. It destroys brain cells that produce dopamine
and is characterized by muscular tremor, slowing of movement, rigidity and postural instability. Men who were the most physically active at the start of the study cut their risk of developing Parkinson's disease by 50 percent compared to men study ...
Potential drug target for treating cocaine abuse found
...e feelings of euphoria by increasing the amount of dopamine
that is sent from one neuron to another within the...fferent chemicals that prevent the reabsorption of dopamine
would all have the same stimulating effect on the brain. The new study shows this may not be true. "...
Genes for alcohol consumption identified
...t one particular genetic variant a version of the dopamine
D2 receptor gene (DRD2) - was strongly associated with alcohol consumption. The DRD2 gene appears to influence the 'high' that people derive from drugs such as alcohol. People without this variant might derive less pleasure from alcohol, and may ther...
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