Brightsurf Science News & Current Events

April 30, 1999
No More Running Blind In A Maze-The Laboratory Rat Genetic And Radiation Hybrid Map Is Here
An essential resource for understanding genetics in the rat, a primary model for human medical research, the completion of a high-density integrated genetic linkage and radiation hybrid map is a genome science landmark.

AHA Scientific Conference On Compliance In Healthcare And Research
A fully equipped and staffed newsroom will be provided for working members of the media.

Important Genetic Marker For Alzheimer's Disease Questioned
A team of researchers from the University of Toronto, Boston University School of Medicine, Duke University and Vanderbilt University, has determined that recent findings suggesting a gene on chromosome 12 was a strong genetic risk factor for Alzheimer's disease cannot be replicated.

What Will Be The Impact Of Devolution On Healthcare?
In an Education and Debate paper in this week's BMJ, an author provides an overview of the changes devolution will bring to the political structure in Scotland and Wales and what the process could mean for healthcare funding.

New England Water Is Improving But Problems Remain, Says New USGS Report
Water quality has improved significantly in New England over the past 50 years because of advances in the treatment of municipal and industrial wastes.

Parasites, Not Pollution, Responsible For Some Frog Deformities, As Reported In The 30 April Issue Of Science
Parasite infections are the likely cause behind the bizarre deformities that endow frogs with up to 12 hind legs, according to two studies in Science.

The Origins Of Hereditary Breast Cancer -- Studies With Knock-Out Mice Reveal Underlying Mechanisms
By using an animal model, a group of scientists led by Chu- Xia Deng and Lothar Hennighausen at the National Institutes of Health (NIH) has now elucidated the mechanism underlying hereditary breast cancer.

New Study By TSRI Scientists Sheds Light On Viral Clearance In Acute Hepatitis B Infection
A study published this week by scientists at The Scripps Research Institute demonstrates a new paradigm in viral immunology, that the immune system can cure viral infections without destroying the infected cells.

Study Finds Lymph Node Surgery Unnecessary For Many Breast Cancer Patients
Duke University researchers report that a common surgery used to determine the extent of disease in early stage breast cancer patients may not benefit a large number of them.

Feeling Depressed, Not Thinking Straight?
A scientist has used imaging techniques to show for the first time how two key areas of the brain interact with one another when depression is affecting cognitive ability.

Heart Experts Call For Action Against Missed Opportunities To Prevent Heart Disease In Women
The American Heart Association and American College of Cardiology called today for action against missed opportunities to reduce women's risk of coronary heart disease, the No.

Making A Hand Or A Foot? Tbx-4 And Tbx-5 Are Involved In Determination Of Fore- And Hindlimb Identity
Toshihiko Ogura and coworkers (Nara Institute of Science and Technology, Japan) and Astrid Vogel-Höpker (Max Planck Institute for Brain Research, Frankfurt/Main, Germany) altered limb types by misexpression of limb specific Tbx- genes in chick embryos (Nature, 29 April 1999) implicating these genes in limb-type specification.

Abraham Rudolph To Receive Howland Medal For Contributions To The Advancement Of Pediatrics
The John Howland Medal of the American Pediatric Society, considered the highest honor in American pediatrics, will be presented May 2 to Abraham M.

Immune Response To Hepatitis B Spares Liver Cells
A new study, conducted by NIAID grantees and scientists, suggests that, contrary to current belief, the immune system eliminates most hepatitis B virus (HBV) without resorting to large-scale destruction of infected liver cells.

Penn Scientists Show How Mistakes In Protein Folding Are Caught By "Protein Cages" Called Chaperonins
Researchers at the University of Pennsylvania Medical Center have discovered how proteins called chaperonins protect cells from harm by sequestering and unfolding misshapened proteins.

Plate Tectonics May Have Once Operated On Mars, As Reported In The 30 April Issue Of Science
Mars may once have maintained a plate tectonics system, according to a team of U.S. and French scientists who have analyzed new magnetic information about the planet's crust.

Puget Sound Earthquake Hazards Are Focus Of Monday Night Meeting
Large earthquakes that have happened in the past and equally large tremors that might occur in the future will be the focus of a free public forum, Monday, May 3, from 7:30 to 9:30 p.m., in the Olympic Room of the Seattle Center.

UCSF-Harvard Team Reports Encouraging Results In Drug Study Of Mice With Cancer
Researchers report that four drugs thought to disrupt the formation of blood vessels that fuel tumor growth have been shown for the first time to be effective at treating spontaneous tumors at distinct stages of progression in mice.

The Media Must Look Beyond London When Referring To The UK
In a Personal View in this week's BMJ, Arthur Morris attacks the London-based media, including the BMJ, for confusing readers and viewers about the differences between the four countries of the United Kingdom.

Mars Update: Barren Planet Once Hummed With Magnetism, Leaving "Tattoos," Science Papers Suggest
The cold, barren crust of Mars conceals ancient remnants of its fiery youth 4 billion years ago, when an
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