Dopamine News and Research

Latest Dopamine News and Research

Trichloroethylene chemical - widely used in industry - is a risk factor for parkinsonism

Parkinson's disease, the most common neurodegenerative movement disorder caused by aging, can also be caused by pesticides and other neurotoxins.

8 Jan 2008

Researchers establish risk factors for Parkinson's disease

Doctors know an impaired sense of smell is an early indicator of Parkinson's Disease.

8 Jan 2008

The dopamine transporter gene influences alcohol withdrawal seizures

The physiological component of alcoholism is defined by tolerance and/or withdrawal: the more severe the dependency on alcohol, the more severe the clinical complications, such as greater intensity and/or complications of alcohol withdrawal.

4 Jan 2008

Daily alcohol use causes changes in sexual behavior

A team of researchers at Penn Sate has used an animal model to reveal, for the first time, a physiological basis for the effect of alcohol on male sexual behavior, including increased sexual arousal and decreased sexual inhibition.

4 Jan 2008

New clue found to the cause of Parkinson's disease

A glitch in the mechanism by which cells recycle damaged components may trigger Parkinson's disease, according to a study by scientists at the Albert Einstein College of Medicine of Yeshiva University.

3 Jan 2008

Variant of COMT gene linked to impulsive decisions

People with clinical addictions know first-hand the ravages the disease can take on almost every aspect of their lives.

28 Dec 2007

Brain imaging shows there may be a cognitive difference in people with addictions

Scientists have for the first time identified brain sites that fire up more when people make impulsive decisions.

28 Dec 2007

Depletion of antioxidant glutathione linked to Parkinson's in mice

Scientists at the Buck Institute have shown that mice suffering from a depletion of the antioxidant glutathione in dopamine-producing neurons developed nerve damage and symptoms associated with Parkinson's disease (PD) in humans.

20 Dec 2007

How might lack of light cause depression?

People troubled by depression usually experience their dark moods in an on-again, off-again fashion.

18 Dec 2007

Green tea for Parkinson's disease

Does the consumption of green tea, widely touted to have beneficial effects on health, also protect brain cells? Authors of a new study being published in the December 15th issue of Biological Psychiatry share new data that indicates this may be the case.

14 Dec 2007

Nematodes provide clues to dopamine's role in human aging diseases

Research carried out with a paintbrush bristle, a metronome, smelly chemicals and thousands of microscopic worms called nematodes may reveal important information about human aging diseases like Parkinson's and Alzheimer's, thanks to a grant from the Ellison Medical Foundation awarded to a University at Buffalo neurobiologist.

13 Dec 2007

New model for neurodegeneration

The gradual loss of dopamine neurons is a hallmark of many neurodegenerative diseases - Parkinson's Disease chief among them.

10 Dec 2007

Nicotine has significant effects on brain GABA

There is a clear link between GABA - a chemical substance of the central nervous system that inhibits neurons in the brain - and nicotine dependence, according to a study presented at the American College of Neuropsychopharmacology (ACNP) annual meeting.

10 Dec 2007

Stable sleep patterns and regular routines may improve outcomes in bipolar disorder

Bipolar disorder, commonly known as manic-depressive disorder, is highly influenced by the circadian system - the body's internal clock - and a specific kind of psychotherapy may help decrease irregularities in the circadian system that can trigger key symptoms of bipolar disorder, according to a study presented at the American College of Neuropsychopharmacology (ACNP) annual meeting.

10 Dec 2007

Discovery of potential "getting drunk" gene

A variant of a gene involved in communication among brain cells has a direct influence on alcohol consumption in mice, according to a new study by scientists supported by the National Institute on Alcohol Abuse and Alcoholism (NIAAA), part of the National Institutes of Health (NIH), and the U.S. Army.

5 Dec 2007

Genetic markers for mental illness

Researchers have discovered natural genetic differences that might help predict the most effective antipsychotic drugs for particular patients with mental disorders such as schizophrenia, Parkinson's and drug addiction.

4 Dec 2007

Replacing dopamine cells in Parkinson's - new source of cells found

Parkinson disease (PD) is caused by the progressive degeneration of brain cells known as dopamine (DA) cells.

4 Dec 2007

Omega-3 fatty acids protect the brain against Parkinson's disease

Omega-3 fatty acids protect the brain against Parkinson's disease, according to a study by Université Laval researchers published in the online edition of the FASEB Journal, the journal of the Federation of American Societies for Experimental Biology.

27 Nov 2007

Serum carcinoembryonic antigen level can reflect adrenal adenoma

The female patient, reported on the December 7 issue 45 of World J Gastroenterology, presented a rare case, with symptoms consistent with hyperadrenocorticism and hypercatecholaminism, and also had a Cushingoid appearance.

21 Nov 2007

Peptide therapy used to prevent progression of Parkinson's

Researchers have successfully used a peptide to reverse biochemical, cellular and anatomical changes that occur in the brains of mice with Parkinson's disease (PD), and report success in preventing the disease from progression.

21 Nov 2007