Brightsurf Science News & Current Events

October 24, 2004
Olfactory bulb stem cells and Lou Gehrig's disease
Johns Hopkins researchers have found that transplants of mouse stem cells taken from the adult brain's olfactory bulb can delay symptoms and death in a mouse model of amyotrophic lateral sclerosis (ALS), or Lou Gehrig's disease.

New protein associated with aggressiveness in breast and ovarian cancer
A research team led by The University of Texas M.

Pesticides may promote Parkinson's disease and exercise may offer protection
New research into Parkinson's disease is helping scientists better understand some of the mechanisms of this serious and disabling brain disorder, which affects about 1 million people in the United States.

Scientists reveal significant behavioral impacts of early life stress, study therapies
Scientists at the OHSU Oregon National Primate Research Center and the University of Pittsburgh report significant stress early in life can have varying lifelong impacts depending on the timing of the stress exposure.

PITT, OHSU: When early life stress occurs determines its impact later
Significant stress early in life can have varying lifelong impacts depending on the timing of the stress exposure, according to a report from scientists at the University of Pittsburgh, OHSU Oregon National Primate Research Center and Emory University, and the impact can become even more profound when coupled with stress in adulthood.

Reductions in blood oxygen levels in newborns could contribute to ADHD development
A repetitive drop in blood oxygen levels in newborn rats, similar to that caused by apnea (brief pauses in breathing) in some human infants, is followed by a long-lasting reduction in the release of the brain neurotransmitter dopamine, according to an Emory University research study.

New technologies shed light on schizophrenia
Researchers at the Boston Veterans Affairs Health Care System - Brockton Division, Harvard Medical School, and the University of Massachusetts-Boston are using new imaging technology to gather valuable information about the brains of people with schizophrenia.

High-fat diets hammer memory, more than a waistline worry
High-fat diets may do more than wreak havoc on your waistline.

Calorie restriction leads to some brain benefits but not others in mice
Severe calorie restriction prevents certain aging-related changes in the brain, including the accumulation of free radicals and impairments in coordination and strength, according to a mouse study at Washington University School of Medicine in St.

Secret tobacco industry documents show Philip Morris worked to preserve ties with academic medicine
As part of its strategy to avert tobacco stock divestment by the country's top medical schools, Philip Morris exploited institutional fears of losing research funding, according to a new report by UCSF School of Nursing researchers.

Advances in understanding brain circuits responsible for tics in Tourette's shed light on disorder
Recent advances are producing a much greater understanding of the brain circuits responsible for the tics and problem behaviors seen in Tourette's syndrome.

Gender and sex hormones affect the brain's pain response and more, according to new studies
Scientists are now uncovering increasing evidence that the brain not only responds to hormones produced by the reproductive system, but that these hormones--the so-called

New hope for ALS seen with genetic techniques, growth factors
Cell transplants, silencing mutant genes, and use of a neuron support factor may represent new ways to treat the fatal brain disorder amyotrophic lateral sclerosis (ALS).

Mothers have brains primed for care
In new studies, scientists find that the maternal instinct is as much biological as it is social and that early socialization through maternal bonding is critical to offsprings' later adjustment.

Promise of stem cells amplified
Continuing to counter the dogma that once brain cells give out, they're gone forever, new evidence shows that newly created neurons may provide hope for treating a wide variety of disorders.

OHSU scientists identify key gene that delays female puberty
Researchers at the OHSU Oregon National Primate Research Center have identified a key gene that impacts the timing of puberty and can shorten the time span for reproduction.

New study ranks graduate decision programs
A newly-commissioned study of 34 graduate school decision programs in the United States rated those at Duke University, Harvard University, and Stanford University the leading prescriptive programs in the field, according to researchers at the annual meeting of the Institute for Operations Research and the Management Sciences (INFORMSĀ®).

Early life stress harms mental function and immune system in later years
Evidence continues to mount that prenatal and early experience can have profound long-term effects on the developing central nervous system and its regulation of basic physiology, psychology, and immune function.

New understanding of neural circuits may help development of thought-controlled prosthetic devices
You can read this release, and more generally, function in the world, thanks to precise communications between circuits of millions of nerve cells in your brain and spinal cord.

Deciphering an autism mystery
In new research, scientists have found that a specific gene contributes to autism and that autistic people have fewer receptors for the brain messenger acetylcholine, as well as more tightly packed columns of neurons in the cerebral cortex.

Brain differences in adolescents, psychopaths, lend to their impulsive, risk-taking behavior
The next time you find yourself wondering,

Exercising limbs protects brain cells affected by Parkinson's, study in rodents shows
Exercise prevents degeneration of nerve cells that are normally impaired or destroyed by Parkinson's disease, according to University of Pittsburgh studies in rodents.

Infection, not lack of oxygen, plays larger role in premature infant brain injury
Researchers at Johns Hopkins have dispelled the widespread belief among obstetricians that, in premature infants, brain injury results from a lack of oxygen, also called hypoxia, when, in fact, infection plays a larger role.
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