Neurotransmitter Current Events | Neurotransmitter News | 2
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Bisexual fruit flies show new role for neurochemical
Fruit flies' ability to discern one sex from another may depend on the number of receptors on the surface of nerve cells, and the number of receptors is controlled by levels of a ubiquitous brain chemical, University of Illinois at Chicago researchers have found. view more (2007-01-04)
Taste test may identify best drugs for depression
New research has shown that it might be possible to use taste as an indicator as to whether someone is depressed, and as a way of determining which is the most suitable drug to treat their depression. view more (2006-12-06)
Dopamine study sheds new light on drug addiction
A paper published in today's issue of Science has challenged beliefs about the role of dopamine in the brain, which could lead to new treatments for Parkinson's disease, schizophrenia and drug addiction. The research suggests that dopamine has a far wider, less specialised role than previously hypothesised. view more (2005-03-02)
Streamlining brain signals for speed and efficacy
Life exists at the edge of chaos, where small changes can have striking and unanticipated effects, and major stimuli may go unheard. view more (2008-10-23)
UCI researchers find new way to fight cocaine addiction
UC Irvine pharmacological researchers have discovered that blocking a hormone related to hunger regulation can limit cocaine cravings. view more (2009-04-02)
Study reveals how ADHD drugs work in brain
Although millions depend on medications such as Ritalin to quell symptoms of attention deficit hyperactivity disorder (ADHD), scientists have struggled to pinpoint how the drugs work in the brain. view more (2006-06-26)
Mouse model of Parkinson's reproduces nonmotor symptoms
The classic symptoms of Parkinson's disease involve tremor, stiffness and slow movements. Over the last decade, neurologists have been paying greater attention to non-motor symptoms, such as digestive and sleep problems, loss of sense of smell and depression. view more (2009-06-23)
Deafness and seizures result when mysterious protein deleted in mice
Scientists have discovered that mice genetically engineered to lack a particular protein in the brain have profound deafness and seizures. The finding suggests a pathway, they say, for exploring the hereditary causes of deafness and epilepsy in humans. view more (2008-01-25)
Protein shown to rally biological clock
A biologist at Washington University in St. Louis and his collaborators have identified the factor in mammalian brain cells that keeps cells in synchrony so that functions like the wake-sleep cycle, hormone secretion and loco motor behaviors are coordinated daily over a 24-hour period. view more (2006-11-30)
Basic research into Parkinson's
Parkinson's disease was first described in 1817 by the London physician James Parkinson. A great amount of research has been carried out since that time but the fundamental causes of the disease remain unresolved. Some time ago now researchers found that a neurotransmitter, dopamine, played a key role in this illness. This is why the majority of... view more... (2004-05-07)
The glutamate decarboxylase 1 gene may play a pivotal role in developing alcoholism
Gamma-aminobutyric acid (GABA) is the major inhibitory neurotransmitter in the brain. GABA has been implicated in the development of alcoholism, although the mechanisms through which this occurs are unclear. view more (2006-10-25)
New study: pine bark extract boosts nitric oxide production
A study to be published in the October edition of Hypertension Research reveals Pycnogenol, (pic-noj-en-all), an antioxidant plant extract from the bark of the French maritime pine tree, helps individuals by enhancing healthy nitric oxide (NO) production which leads to an increase in blood flow and oxygen supply to muscles. view more (2007-10-18)
Single genetic defect produces specific cognitive deficit in mice
Researchers have found that, in mice, producing a single genetic defect in a molecule that "reloads" neurons to trigger one another using the neurotransmitter acetylcholine impairs the mice's ability to recognize objects or other mice. view more (2006-09-07)
Fast-freeze snapshot yields new picture of nerve-muscle junction
When nerve cells excite muscle fibers to flex, getting synaptic proteins and components into the right place can mean the difference between feats of strength or lapses of drowsy lethargy. view more (2006-09-08)
Chemical signature of manic depression discovered by scientists
People with manic depression have a distinct chemical signature in their brains, according to a new study. The research, published today in the journal Molecular Psychiatry, may also indicate how the mood stabilisers used to treat the disorder counteract the changes in the brain that it appears to cause. view more (2008-02-06)
N.Y. Research Team Discovers How Antidepressants and Cocaine Interact with Brain Cell Targets
In a first, scientists from Weill Cornell Medical College and Columbia University Medical Center have described the specifics of how brain cells process antidepressant drugs, cocaine and amphetamines. These novel findings could prove useful in the development of more targeted medication therapies for a host of psychiatric diseases, most notably in... view more... (2008-07-30)
Overexcited neurons not good for cell health
Neurotransmitters have consequences. They initiate events that are critical to a healthy life, giving us the ability to move, to talk, to breathe, to think. But that's if the neurotransmitters are getting it right and sending proper signals downstream to muscle cells, neurons or other cells. view more (2007-12-18)
Researchers 'see' structure of open nicotinic acetylcholine ion channels
The neurotransmitter acetylcholine is an essential chemical communicator, carrying impulses from neurons to skeletal muscle cells and many parts of the nervous system. view more (2008-04-08)
New source of multipotent adult stem cells discovered in human hair follicles
Researchers at the University of Pennsylvania School of Medicine have isolated a new source of adult stem cells that appear to have the potential to differentiate into several cell types. view more (2006-07-13)
Animal models show that anabolic steroids flip the adolescent brain's switch for aggression
Anabolic steroids not only make teens more aggressive, but may keep them that way into young adulthood. view more (2006-02-27)
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