Dopamine News and Research

Latest Dopamine News and Research

Tai chi could benefit Parkinson’s disease patients

A new study found that a six-month program of Tai Chi exercises helped people with various stages of Parkinson's disease improve stability, their ability to walk and reduced the frequency of falls.

12 Feb 2012

Parkinson’s disease gene - parkin explored: Study

Researchers at the University at Buffalo have discovered how mutations in the parkin gene cause Parkinson's disease, which afflicts at least 500,000 Americans and for which there is no cure. The results are published in the current issue of Nature Communications.

9 Feb 2012

Scientists reveal how psychostimulant drugs work to control hyperactivity

It has long been known that psychostimulant drugs have the paradoxical effect of reducing hyperactivity. [Psychostimulant drugs include methylphenidate - known by the trade names Ritalin, Concerta, and Methylin - and methamphetamine]. Since the mid-1950s, millions of children and adults have been prescribed stimulant medications to control attention deficit hyperactivity disorder.

8 Feb 2012

Researchers discover how mutations in parkin gene cause PD

Parkinson's disease researchers at the University at Buffalo have discovered how mutations in the parkin gene cause the disease, which afflicts at least 500,000 Americans and for which there is no cure.

8 Feb 2012

Study to understand how brain processes information in competitive settings

Researchers have found a way to study how our brains assess the behavior - and likely future actions - of others during competitive social interactions. Their study, described in a paper in the Proceedings of the National Academy of Sciences, is the first to use a computational approach to tease out differing patterns of brain activity during these interactions, the researchers report.

7 Feb 2012

BPS Annual Meeting to be held Feb. 25 - 29 in San Diego

The latest news and discoveries in medicine, physics, environmental science, and interdisciplinary fields will be featured at the 56th Annual Meeting of the Biophysical Society (BPS), held Feb. 25 - Feb. 29, 2012, at the San Diego Convention Center in San Diego, Calif. With more than 4,000 poster presentations, 200 exhibits, 20 symposia, and 6,000 research scientists in attendance each year, the BPS Annual Meeting is the largest meeting of biophysicists in the world.

7 Feb 2012

Scientists evaluate growth, differentiation and function of iPSC-derived NPCs in PD

Induced pluripotent stem cells (iPSC) are a promising avenue for cell replacement therapy in neurologic diseases. For example, mouse and human iPSCs have been used to generate dopaminergic (DA) neurons that improve symptoms in rat Parkinson's disease models. Reporting in the current issue of the Journal of Parkinson's Disease, a group of scientists from Japan evaluated the growth, differentiation, and function of human-derived iPSC-derived neural progenitor cells (NPCs) in a primate model, elucidating their therapeutic potential.

25 Jan 2012

Alexithymia associated with depression in de novo PD patients

Alexithymia has been found to be strongly associated with depression in both general and clinical populations. Alexithymic and depressive symptoms may be partially overlapping, but not all are correlated with depressive symptoms, thus underlining the relative independence of the two disorders. Parkinson's disease (PD) is a clinical condition often characterized by depression and an altered emotional processing. In medicated PD patients alexithymia has a prevalence of 21% and is related to depression.

23 Jan 2012

Research on neuron interaction could lead to potential treatment for addiction

Harvard scientists have developed the fullest picture yet of how neurons in the brain interact to reinforce behaviors ranging from learning to drug use, a finding that might open the door to possible breakthroughs in the treatment of addiction.

19 Jan 2012

Alcohol-dependent Americans more likely to seek treatment than South Koreans

Hazardous alcohol use and depression are among the 10 leading causes of disability and premature death worldwide, according to the World Health Organization. Many low- to middle-income countries have begun to see a steady increase in alcohol use and have entered the early stages of a tobacco epidemic. A study of alcohol use disorders (AUDs), nicotine dependence (ND), and mood and anxiety disorders in the United States and South Korea has found that while AUDs are substantially more common among Americans than South Koreans, alcohol-dependent Americans are significantly more likely to seek treatment.

17 Jan 2012

DBS safe and effective for patients with advanced Parkinson's

Researchers from the University of Florida and 14 additional medical centers reported results today in the online version of The Lancet Neurology journal indicating that deep brain stimulation - also known as DBS - is effective at improving motor symptoms and quality of life in patients with advanced Parkinson's disease.

12 Jan 2012

Study finds no support for primary pathogenic role of LBs in PD

The pathology of Parkinson's disease is characterized by a loss of dopamine-producing neurons in the pars compacta of the substantia nigra (SN), an area of the brain associated with motor control, along with the development of α-synuclein (αS) protein in the form of Lewy bodies (LB) in the neurons that survive. The spread of LB pathology is thought to progress along with the clinical course of Parkinson's disease, although recent studies suggest that they are not the toxic cause of cell death.

10 Jan 2012

Positive topline results from Civitas' CVT-301 Phase 1 trial on PD

Civitas Therapeutics, Inc., a privately-held pharmaceutical company developing transformative therapeutics using the ARCUS(TM) respiratory delivery platform, announced today positive topline results from a Phase 1 clinical trial for CVT-301, an inhaled formulation of levodopa (L-dopa) for the rapid relief from motor fluctuations associated with Parkinson's disease.

7 Jan 2012

New information about how early ESCs develop and form primate species

Newly published research by scientists at Oregon Health & Science University provides significant new information about how early embryonic stem cells develop and take part in formation of the primate species.

6 Jan 2012

Ipsen, Oncodesign partner to discover and develop LRRK2 kinase inhibitors against PD

Oncodesign, a Drug Discovery company and Oncology pharmacology service provider, and Ipsen, a global specialty-driven pharmaceutical company, announced today that the two companies have entered into a research collaboration to discover and develop innovative LRRK2 kinase inhibitors as potential therapeutic agents against Parkinson's Disease and for potential additional uses in other therapeutic areas.

5 Jan 2012

RGS9-2 gene plays a role in regulating body weight

Abraham Kovoor was studying a brain protein, called RGS9 2, that he had previously related to the involuntary, random and repetitive body movements that are side effects of drugs used to treat Parkinson's disease and schizophrenia.

5 Jan 2012

Advice for newly-diagnosed Parkinson's patients

After 12 years with Parkinson's disease (PD), 57-year old Bill Schmalfeldt has this advice for newly-diagnosed Parkinson's patients.

17 Dec 2011

NACP and MAPT polymorphisms interact to influence rate of Parkinson's progression

Parkinson's disease is marked by the abnormal accumulation of α-synuclein and the early loss of dopamine neurons in the substantia nigra region of the brain. A polymorphism in the promotor of α-synuclein gene known as NACP-Rep1 has been implicated as a risk factor for the disease.

16 Dec 2011

Researchers convert astrocytes directly into dopamine-producing neurons

In efforts to find new treatments for Parkinson's Disease (PD), researchers from the Perelman School of Medicine at the University of Pennsylvania have directly reprogrammed astrocytes, the most plentiful cell type in the central nervous system, into dopamine-producing neurons.

14 Dec 2011

New exercise and memory study for Parkinson's disease patients

Researchers from the University of Maryland School of Medicine and the Baltimore VA Medical Center have launched a study of exercise and computerized memory training to see if those activities may help people with Parkinson's disease prevent memory changes. The type of memory that will be examined is known as "executive function;" it allows people to take in information and use it in a new way.

13 Dec 2011