Brightsurf Science News & Current Events

August 16, 2004
Gene duplication allowed pigs to have more babies
With increasing numbers of whole genomes being sequenced, researchers are keen to analyse the functions of the genes they contain and the proteins these genes encode.

ASU researchers demonstrate new technique that improves the power of atomic force micrscopy
A team of researchers have developed a method that could vastly improve the ability of atomic force microscopes to

American Thoracic Society Journal news tips for August 2004 (second issue)
Journal news highlights include studies showing that: combination antibiotic therapy improved survival significantly among critically ill patients who had severe pneumonia with complicating bacteremia; a two-stage strategy combining questions about symptoms of sleep apnea with body weight data quickly identified truckers with the sleep disorder; and in patients with severe chronic obstructive pulmonary disease many are colonized by an opportunistic lung pathogen.

Female aboriginal inmates get bum rap
Aboriginal women offenders are often classified at a higher security level compared to other female prisoners by Correctional Service of Canada (CSC) - yet commit fewer infractions while incarcerated, say researchers.

Progress in breast cancer progression
The most deadly breast cancers are those that have become mobile and can invade other tissues in the body.

Scandinavian Nuna II tour begins in sunny Oslo
Gazing out of the small aircraft window, the endless woods and the numerous lakes caught the eye as we flew from the rainy Netherlands towards the beautiful Norway.

Sun protection declines between the first and second summers of children's lives
Mothers reported more sunburns and tanning in the second summer of their children's lives compared to the first summer, according to an article in the August issue of The Archives of Dermatology, one of the JAMA/Archives journals.

Stanford researcher's findings may shed light on common, deadly birth defect
Now for the first time, researchers at the Stanford University School of Medicine and the University of California-San Francisco have provided a powerful example of how one genetic pathway can wend its way through an emerging

Anxiety not a barrier to a satisfying life, study says
Depression has a tremendous impact on a person's sense of satisfaction with life but anxiety does not, research from the University of Toronto shows.

5AM Solutions releases Microarray Enterprise Manage(TM) Software
5AM Solutions, a software solution provider enabling biomedical research, today announced the release of Microarray Enterprise Manager (TM) (MEM).

NSF grants $1.3 million to develop Photonic Crystal Fiber nanosensors
Stevens Institute of Technology's Dr. Henry Du and his research team have pioneered work on the integration of photonic crystal fibers (PCFs) with nanoscale technologies that will potentially lead to robust chemical and biological sensing devices.

Retroviral gene therapy? ASLV, HIV, and MLV show distinct target site preferences
Retroviruses have potential for gene therapy only if they do not activate endogenous genes.

Massage therapists have high prevalence of hand dermatitis
Massage therapists who frequently use essential oils involved in aromatherapy treatments, have higher rates of hand dermatitis than the general population, according to an article in the August issue of The Archives of Dermatology, one of the JAMA/Archives journals.

Northwestern Memorial Hospital participates in ulcerative colitis study
Northwestern Memorial Hospital is one of only eight centers in the nation participating in a clinical trial study to evaluate the effectiveness of a new treatment with an antibody product for ulcerative colitis.

Medication reconciliation, pharmacist involvement vital to reducing medication errors, study finds
Obtaining complete and accurate medication histories of patients and instituting a medication reconciliation program are vital to reducing medication errors, a new study conducted at Northwestern Memorial Hospital has shown.

Ethnic solidarity doesn't give Mexican workers advantages in U.S. labor market
Mexican workers in the United States do not receive labor market advantages from their ethnic solidarity, according to a Rice University sociologist.

British scientists exclude 'maverick' colleagues, says report
Scientists in Britain tend to exclude controversial 'maverick' colleagues from their community to ensure they do not gain scientific legitimacy, new research has shown.

VA beats managed care for diabetes, study finds
Nearly a decade after the Department of Veterans Affairs initiated improvements in how it cares for veterans with chronic illnesses, a new multicenter study finds VA patients with diabetes are more likely to receive recommended tests and have better outcomes than managed care patients.

MICs shed light on prostate cancer
One molecular step in cancer development is acquiring the means to avoid anti-tumor defenses.

Virginia Tech researchers monitor crop-killing soybean disease
Asian Soybean Rust, an aggressive fungal disease that has caused major yield reductions in the soybean-growing regions of Brazil is being carefully monitored by Virginia Tech scientists and is not expected to cause any major problems in Virginia in 2004.

Putting energy into heart protection
Under conditions of stress, such as during a heart attack, molecular mechanisms stop cells from consuming energy and trigger them to begin producing it.

Using statistics to decipher secrets of natural mutation
A new mathematical approach for analyzing the complex, subtle patterns of natural mutation in DNA will, according to its developers, help biologists understand how mutation contributes to evolutionary change in mammals.

Pollen-blocking cream may help reduce allergy symptoms
A cream applied to the inside of the nose appears effective in reducing the symptoms of allergic rhinitis, according to an article in the August issue of The Archives of Otolaryngology - Head & Neck Surgery, one of the JAMA/Archives journals.

Possible new cure for psoriasis
Cell biologists of the University of Bonn, in cooperation with the University of Leeds (U.K.) and industry may have discovered a new effective therapy for psoriasis: a specific group of what are known as metalloproteinase inhibitors can normalise the increased tendency of epidermis cells (keratinocytes) to divide, which is the cause of this unpleasant lepidosis.

Stem cell research targets cerebral palsy
Natural chemicals that assist healing may one day help transplanted adult stem cells integrate into an injured brain, helping children with cerebral palsy recover lost function, according to researchers at the Medical College of Georgia.

Organ transplant recipients experience severe neurologic symptoms caused by West Nile Virus
Organ transplant recipients who become infected with West Nile virus develop more severe neurological illness caused by the virus, according to an article in the August issue of The Archives of Neurology, one of the JAMA/Archives journals.

Annals of Internal Medicine, tip sheet, August 17, 2004
The Annals of Internal Medicine tip sheet for August 17, 2004 includes the following:

Are physicians over-performing colonoscopy?
Many physicians appear to be performing more

Forgetting, reminding, and remembering: The retrieval of lost spatial memory
Teasing apart memory defects in animal models is not an easy task.

ASCO releases new colon cancer guideline
The American Society of Clinical Oncology (ASCO) has developed a set of recommendations to address whether patients who have had successful surgery for Stage II colon cancer should be offered adjuvant chemotherapy in routine clinical practice.

Mayo Clinic researcher uses supercomputer to model a SARS viral enzyme
A Mayo Clinic researcher is the first to develop a series of three-dimensional (3D) models of an enzyme responsible for the replication of the deadly SARS (Severe Acute Respiratory syndrome) virus.

Wearing elastic compression stockings reduces complications after a blood clot in the leg
A new study finds that wearing below-the-knee elastic compression stockings every day reduces chances of developing complications from deep vein thrombosis for up to two years.

X marks the spot: Vector insertion is viral specific
Viruses integrate into host DNA to replicate, but exactly where they insert themselves has become a topic of increasing importance.

Breast cancer screening underutilized by ethnic women
Lack of information, modesty and a false sense of security may prevent women with immigrant backgrounds from having regular clinical breast examinations, says a study by the University of Toronto and the University Health Network.

Nerve cells 'guided' to repair spinal damage: Technique
University of Toronto researchers have designed a method to facilitate nerve cell repair that could ultimately lead to treating severed spinal cords.

Rare mutations can significantly increase risk factor for heart disease
Certain rare gene mutations can contribute significantly to low levels of a beneficial form of cholesterol in the blood, researchers have found.

Institute for OneWorld Health nominated for the 2004 World Technology Awards
The Institute for OneWorld Health, the first nonprofit pharmaceutical company in the U.S., announced today that it has been nominated for this year's World Technology Awards in the category of Health & Medicine.

Shirley Malcom, AAAS head of Education and Human Resources, named to top 50 black scientists
Shirley Malcom, AAAS's head of Education and Human Resources, is being honored as one of the 50 most important blacks in research science by the editors of Science Spectrum and US Black Engineer & Information Technology magazines.

The eroded valleys of Dao and Niger Valles
Images of the Dao and Niger Valles, a system of outflow channels on Mars, taken by the High Resolution Stereo Camera (HRSC) on-board of ESA's Mars Express spacecraft are now available.

Optical lithography refinement essential to meet increasing challenge from NGL technologies
Optical lithography may currently offer the advantage of high wafer throughputs, but to sustain in the long term and compete with the next generation lithography (NGL) technologies, it must deliver finer resolution and achieve the desired quality, reliability, and cost targets.
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