Brightsurf Science News & Current Events

October 31, 2008
Crucial hormonal pathway to bone building uncovered
New study shows parathyroid hormone given intermittently enhances the body's own bone-building action through a specific

Gaining too much weight during pregnancy nearly doubles risk of having a heavy baby
A study by the Kaiser Permanente Center for Health Research of over 40,000 women and their babies found that women who gained more than 40 pounds during their pregnancies were nearly twice as likely to have a heavy baby.

Biosynthetics production with detours
Scientists at the Helmholtz-Zentrum für Infektionsforschung in Braunschweig, Germany, have achieved an important advance in better understanding metabolic pathways in bacteria.

How did glycine significantly decrease liver injury?
Chronic cholestasic liver diseases lead to liver injury and ultimately progress to portal fibrosis, cirrhosis, and end-stage liver disease requiring liver transplantation.

Europe seeks consensus over 'living wills'
The question whether a common European position on advance directives, or

Organizations urge early appointment of White House science adviser
Nearly 180 organizations representing the business, education and scientific communities have urged the next president to appoint a White House science adviser by Jan.

Is ineffective esophageal motility associated with gastropharyngeal reflux disease?
Ineffective esophageal motility (IEM) disorder is the most common motor abnormality in patients with gastroesophageal reflux disease and it has been shown to be associated with prolonged acid clearance.

Conference highlights how stronger science academies can strengthen policymaking in Africa
Leaders of several African science academies are meeting next week at the Royal Society, the national science academy of the United Kingdom and Commonwealth, to discuss how the independent, expert advice of science academies can be applied to policy and development issues in Africa.

Milestone meeting in China launches new GSA Special Paper
This new Special Paper from the Geological Society of America covers the tectonics of the Tibetan and the Iranian plateaus.

Innovative surgery by MSU veterinarian provides new lease on life to dogs
Jake, an 11-year-old yellow Labrador retriever, was the first dog in the Midwest and only the 11th in the world to undergo surgery for a new, cementless elbow prosthesis last April.

New regulatory mechanism discovered for cell identify and behavior in forming organs
Two proteins interact in a previously unknown molecular mechanism that may have broad implications in future studies looking for the causes of defective organs in fetuses, metastatic cancers and other diseases, according to researchers at Cincinnati Children's Hospital Medical Center.

NJIT seminar set for Nov. 6 to focus on bioelectronics -- emerging research area
Thanks to companies, universities and inventors designing and manufacturing biomedical sensors, health care and its related economy will radically change over the next decade.

New nanocluster to boost thin films for semiconductors
Oregon researchers have synthesized an elusive metal-hydroxide compound in sufficient and rapidly produced yields, potentially paving the way for improved precursor inks that could boost semiconductor capabilities for large-area applications.

Bare bones of crystal growth: Biomolecules enhance metal contents in calcite
A finding that a hydrophilic peptide significantly enhances the magnesium-content of calcite is especially meaningful for geologists because Mg-content in carbonates is used as a

High throughput imaging speeds analysis of hormone receptors
A new high throughput microscopy technique enabled researchers at Baylor College of Medicine in Houston to analyze thousands of individual cells expressing androgen receptor, a finding that could herald new ways of evaluating the effect of drugs or other treatments on cells with normal or aberrant hormone receptors.

Nations that launch: Where new technologies and products take-off
This week, researchers at Lehigh University and the University of Southern California released a study revealing the world's most innovative nations, based on the time it takes for new products to

Study reports Double Balloon Endoscopy useful for diagnosis and treatment of obscure GI bleeding
A study by researchers in Japan concludes that Double Balloon Endoscopy was very useful in the diagnosis of obscure gastrointestinal bleeding and had a therapeutic impact on the majority of patients.

Bacteria manage perfume oil production from grass
Scientists in Italy have found bacteria in the root of a tropical grass whose oils have been used in the cosmetic and perfumery industries.

While prevalent, sexual problems in women not always associated with distress
The largest such study ever published finds that, while about 40 percent of women surveyed report having sexual problems, only 12 percent indicate that those issues are a source of significant personal distress.

Current Clostridium difficile hospital tests not accurate enough and new 2-stage process needed
Current hospital tests for the bacterium Clostridium difficile (C. difficile) are not accurate enough, and a new two-stage process should be introduced to avoid misdiagnosis and its consequences.

Can berberine enhance glucose-stimulated insulin secretion in rat islets?
Berberine, the major extract from Chinese herb Rhizoma coptidis, has recently emerged as a promising anti-diabetic agent for its multiple therapeutical effects on diabetes, including lowering blood sugar, correcting lipid disorder and improving insulin sensitivity.

What's the influence of laxative agents on mucosal barrier repair?
Lubiprostone has recently been approved for the treatment of chronic constipation and the constipation-predominant form of irritable bowel disease.

Wait time guarantees not likely to reduce waits for joint replacement surgery
Significant increases in surgical capacity or diverting patients to other jurisdictions are the best ways to deal with excessive wait times for hip and knee replacement surgery -- a leading symbol of underfunding in Canada's health-care system.

It's relative: Contrasting hurricane theories heat up
In a paper published in the journal Science today, Gabriel A.

Research shows aerobic exercise combined with resistance training improves glucose control in diabetics
Patients with diabetes who participate in a program combining aerobic and high-force eccentric resistance exercise demonstrate improvements in glucose control, physical performance, and body fat composition, according to a study published in the November 2008 issue of Physical Therapy, the scientific journal of the American Physical Therapy Association.

If metastasectomy should be performed before other treatments
Primary hepatocellular carcinoma is a major cancer related to HBV viral infection in Asian countries, including Japan.

Corn researchers discover novel gene shut-off mechanisms
University of Delaware scientists, in collaboration with researchers from the University of Arizona and South Dakota State University, have identified unusual differences in the natural mechanisms that turn off, or

A useful imaging modality for monitoring treatment response to hepatocellular carcinoma
Computed tomography perfusion is a noninvasive technique for assessing perfusion changes due to transarterial chemoembolization for advanced HCC.

Polarized light guides cholera-carrying midges that contaminate water supplies
Midges harbor the lethal Vibrio cholerae bacteria that spreads cholera, contaminating water supplies with the infection when they lay their eggs.

Eindhoven researchers crack Internet security of the future
Researchers at Eindhoven University of Technology in the Netherlands have managed to crack the so-called McEliece encryption system.

Hair today, gone tomorrow: Tracking hair loss and growth
CSIRO has developed maths-based imaging technology to measure hair on different parts of the human body.

A biomagnetic diagnostic technique to evaluate esophageal transit time
To evaluate esophageal transit time of subjects in three anatomical inclinations and to compare the mean values obtained from measurement in these positions. authors used a biomagnetic modality that measured the transit time of a magnetic marker through the esophagus in 14 healthy subjects.

Estrogen and progesterone receptor isoforms expression in the stomach of Mongolian gerbils
Gerbils were treated with estradiol and E2+ progesterone. Stomach proteins were immunoblotted for Estrogen-alpha, ER-beta, progesterone receptor-A, PR-B.

'Opt out' system could solve donor organ shortage, says researcher
A system of presumed consent for organ donation -- where people have to opt out of donating their organs when they die -- is the best way to tackle a growing waiting list for transplant, says Dr.

Can your doctor correctly read a critical heart test?
Correct interpretation of an electrocardiogram may prompt life-saving, emergency measures; incorrect interpretation may delay care with life-threatening consequences.

What's the role of Kupffer cells in non-alcoholic steatohepatitis?
At present, histopathological examination of liver biopsy tissue is the only way to definitively diagnose nonalcoholic steatohepatitis.

Simple chemical procedure augments therapeutic potential of stem cells
Researchers have developed a simple method for making a certain class of adult stem cells more therapeutically effective.

What's the role of beta-catenin in colorectal cancers?
Activation of the canonical Wnt-signaling pathway as defined by nuclear accumulation of beta-catenin has been shown to be associated with poorer survival probability in colorectal cancers.

Social media and presidential election: Kent State professor examines impact of YouTube, MySpace
Dr. Paul Haridakis, associate professor of Communication Studies at Kent State University and a long-time scholar in the area of the impact of media on the political landscape in the US, is investigating the impact of hugely popular social media's impact on the upcoming presidential contest.

Resilience in an aging society: GSA showcases cutting-edge meeting topics
Once again the Gerontological Society of America is inviting all journalists to attend its 61st Annual Scientific Meeting -- the country's largest interdisciplinary conference in the field of aging -- from Nov.

Food allergies: Overestimated and underestimated
Half of all food allergies are not food allergies at all.

Satellites helping aid workers in Honduras
Humanitarian aid workers responding to devastating flooding in Honduras have received assistance from space, with satellite images of affected areas provided rapidly following activation of the International Charter on Space and Major Disasters.

Can rectal vitamin E induce remission in patients with mild to moderate ulcerative colitis?
Inflammatory bowel disease comprises a group of chronic, lifelong, immuno-inflammatory disorders with the pivotal role of oxygen free radicals in the genesis of mucosal damage.

Oral rinses used for tracking HPV-positive head and neck cancers holds promise for cancer screening
A study published in the journal Clinical Cancer Research, a journal of the American Association for Cancer Research, validates a noninvasive screening method with future potential for detection of human papillomavirus-positive head and neck cancers.

A rare case of collagenous colitis presenting as protein-losing enteropathy
Since the first report in 1976, collagenous colitis has been associated with a variety of conditions.

International Osteoporosis Foundation supports UK charity call for NICE guidance changes
The International Osteoporosis Foundation has backed the National Osteoporosis Society in their criticism of NICE guidance on the prevention and treatment of osteoporosis.

How about the feasibility of endoscopic ultrasonography-guided choledochoduodenostomy?
Endoscopic ultrasonography-guided biliary drainage for treatment of patients who have obstructive jaundice in cases of failed endoscopic retrograde cholangiopancreatography.

Study sheds light on genetic differences that cause a childhood eye disease
Medical researchers at the University of Alberta have unlocked part of the mystery underlying a childhood eye disease.

Trustee makes donation to start new solar energy research center at Rensselaer
Researchers at the center will work to develop the next generation of solar technology by studying one of the most powerful energy converting machines in world -- plants.

Patience during stalled labor can avoid many C-sections, UCSF study shows
Pregnant women whose labor stalls while in the active phase of childbirth can reduce health risks to themselves and their infants by waiting out the delivery process for an extra two hours, according to a new study by researchers at the University of California, San Francisco. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to