Brain News and Research

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The human brain is the center of the human nervous system and is a highly complex organ. Enclosed in the cranium, it has the same general structure as the brains of other mammals, but is over three times as large as the brain of a typical mammal with an equivalent body size.

Researchers identify brain circuits used in sensation of touch

The ability to tactually recognize fine spatial details, such as the raised dots used in braille, is especially important to those who are blind.

11 Oct 2007

New genetic understanding of multiple sclerosis patients response to Copaxone

A group of Israeli scientists from the Technion - Israel Institute of Technology, the Weizmann Institute of Science, and Teva Pharmaceutical Industries have recently identified genes responsible for the positive response of many multiple sclerosis (MS) patients to the drug Copaxone.

11 Oct 2007

Researchers reveal repressor protein blocks neural stem cell development

A protein known to repress gene transcription at the molecular level in a variety of processes also blocks embryonic neural stem cells from differentiating into neurons, according to a study by University of California, San Diego and Howard Hughes Medical Institute (HHMI) researchers published online October 10 in Nature.

10 Oct 2007

Feline virus, antiviral drug studied to understand drug resistance

Researchers at Ohio State will spend the next two years testing their theories about just how an AIDS-like virus in cats is able to resist the powerful medicines that are thrown against it.

10 Oct 2007

Electroacupuncture on the anterior forearm may help gastroesophageal reflux disease symptoms

The First Hospital of Peking University, China-Research, has shown that electroacupuncture at Pericardium Meridian Point 6 (PC6 or Nei Guan - Pericardium Meridian) may decrease the frequency of transient lower esophageal sphincter relaxation (TLESR), which is the main mechanism underlying gastroesophageal reflux disease (GERD).

10 Oct 2007

Adult stem cells lack key pluripotency regulator

The protein Oct4 plays a major role in embryonic stem cells, acting as a master regulator of the genes that keep the cells in an undifferentiated state.

10 Oct 2007

Tooth loss may predict the development of dementia

Tooth loss may predict the development of dementia late in life, according to a study by University of Kentucky researchers.

10 Oct 2007

Stress and disease likely linked

A new commentary in the Oct. 10 edition of the Journal of the American Medical Association explores whether psychological stress leads to disease and concludes that the link is likely.

10 Oct 2007

Discovery of type of retinal cell that sees motion

A research team combining high-energy physicists from the University of California, Santa Cruz, and neuroscientists from the Salk Institute in La Jolla, Calif., has discovered a type of retinal cell that may help monkeys, apes, and humans see motion.

10 Oct 2007

Cautious optimism for new Alzheimer's medications

Alzheimer's disease takes a long time to develop, which suggests that it may be possible to design drugs that work early in the disease process, to delay the start of symptoms.

10 Oct 2007

Antibody repairs myelin in lab study of multiple sclerosis and related disorders

Mayo Clinic researchers have found that a human antibody administered in a single low dose in laboratory mouse models can repair myelin, the insulating covering of nerves that when damaged can lead to multiple sclerosis and other disorders of the central nervous system.

10 Oct 2007

Quick action after a minor stroke reduces the risk of a major stroke

According to two studies by British and French researchers quick action following a minor stroke reduces the chance of a major stroke later on.

9 Oct 2007

Study links chemical to inhibited milk synthesis, secretion in humans

University of Cincinnati (UC) researchers have identified the neurotransmitter serotonin as the chemical responsible for inhibiting milk production and secretion in human mammary glands.

9 Oct 2007

Injectable antibody reverses cognitive deficits in mice

A special protein can be injected into the body to reverse learning problems in mice that have an animal version of Alzheimer's disease, Saint Louis University researchers have found.

9 Oct 2007

One injection of gene therapy spreads through brain in animal study

By targeting a site in a mouse brain well connected to other areas, researchers successfully delivered a beneficial gene to the entire brain - after one injection of gene therapy.

9 Oct 2007

New thoracic imaging protocol

University of Cincinnati (UC) radiologists have developed a new technique for capturing images of chest veins that eases diagnosis of venous diseases.

9 Oct 2007

Mario Capecchi shares Nobel Prize in medicine for knockout mice technology

Mario R. Capecchi, Ph.D., distinguished professor of human genetics and biology at the University of Utah's Eccles Institute of Human Genetics and a Howard Hughes Medical Institute investigator, has won the 2007 Nobel Prize in Physiology or Medicine.

9 Oct 2007

Sir Martin Evans wins Nobel prize for stem cell research

Medical Research Council funded scientist Sir Martin Evans, has been awarded the Nobel Prize in Physiology or Medicine for 2007 alongside Mario R. Capecchi and Oliver Smithies for their discoveries of "principles for introducing specific gene modifications in mice by the use of embryonic stem cells".

9 Oct 2007

HAART stops brain damage caused by HIV

A combination of drugs widely used to treat infections caused by HIV appears to stop brain damage caused by the virus as well, according to a study published in the October 9, 2007, issue of Neurology, the medical journal of the American Academy of Neurology.

9 Oct 2007

Body-mind meditation helps reduce stress

A team of researchers from China and the University of Oregon have developed an approach for neuroscientists to study how meditation might provide improvements in a person's attention and response to stress.

9 Oct 2007