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Noninvasive prenatal DNA test can detect fetus at risk for sex-linked disorders

As a noninvasive method of determining the sex of a fetus, tests using cell-free fetal DNA obtained from the mother's blood after 7 weeks gestation performed well, while urine-based tests appear to be unreliable, according to a review and analysis of previous studies, reported in the August 10 issue of JAMA.

10 Aug 2011

Transaxillary thyroid robotic surgery removes nodules with no visible scar

As the rate of thyroid cancer continues to climb, doctors are urging patients to be more cautious about thyroid nodules, a common disorder that is responsible for a small but growing number of thyroid cancer cases.

10 Aug 2011

Scientists reveal why human heart has little regenerative capacity

Stem cell researchers at UCLA have uncovered for the first time why adult human cardiac myocytes have lost their ability to proliferate, perhaps explaining why the human heart has little regenerative capacity.

10 Aug 2011

Researchers demonstrate contribution of Immunoglobulin E to atherogenesis

There is an observed correlation between Immunoglobulin E (IgE) levels atherosclerosis, with twice amount of IgE present in patients with acute myocardial infarction as in patients with stable angina or without coronary heart disease (CHD). Guo-Ping Shi, DSc, Jing Wang, MD, PhD, and colleagues in the Department of Medicine at Brigham and Women's Hospital (BWH), have demonstrated the direct participation of IgE in atherogenesis in a mouse model.

10 Aug 2011

Novel therapy shrinks tumors without collateral damage

A potential new option is beginning to emerge for patients with the fastest growing form of cancer in the United States, according to researchers at the University of Alabama at Birmingham.

10 Aug 2011

Flatworms provide new insight into organ regeneration, evolution of mammalian kidneys

Our bodies are perfectly capable of renewing billions of cells every day but fail miserably when it comes to replacing damaged organs such as kidneys. Using the flatworm Schmidtea mediterranea-famous for its capacity to regrow complete animals from minuscule flecks of tissue-as an eloquent example, researchers at the Stowers Institute for Medical Research demonstrated how our distant evolutionary cousins regenerate their excretory systems from scratch.

10 Aug 2011

Sleep deprivation negatively affects school-age children

Going back to school should not be just an excuse for kids to get new clothes and school supplies. Instead, say University of Alabama at Birmingham experts, it also should be a time to get them back to healthier sleep schedules.

10 Aug 2011

New genetic cause of retinitis pigmentosa

Combining the expertise of several different labs, University of Iowa researchers have found a new genetic cause of the blinding eye disease retinitis pigmentosa (RP) and, in the process, discovered an entirely new version of the message that codes for the affected protein.

10 Aug 2011

Common culinary spice derivative could treat tendinitis

A derivative of a common culinary spice found in Indian curries could offer a new treatment hope for sufferers of the painful condition tendinitis, an international team of researchers has shown.

9 Aug 2011

GTx reports revenue of $1.6 million for second quarter 2011

GTx, Inc. today reported financial results for the second quarter of 2011. The net loss for the quarter ended June 30, 2011 was $10.7 million compared with a net loss of $12.9 million for the quarter ended June 30, 2010.

9 Aug 2011

MAVS prion-like proteins are involved in innate immunity: Discovery

A person's ability to battle viruses at the cellular level remarkably resembles the way deadly infectious agents called prions misfold and cluster native proteins to cause disease, UT Southwestern Medical Center researchers report.

9 Aug 2011

Researchers clarify role of two proteins key to T-cell development

In the latest issue of Nature, researchers at the Perelman School of Medicine at the University of Pennsylvania clarify the role of two proteins key to T-cell development.

9 Aug 2011

Engineered T cells can eradicate deadly human ovarian cancer in immune-deficient mice

In a recent issue of Cancer Research, Daniel J. Powell, Jr., PhD, a research assistant professor of Pathology and Laboratory Medicine and Obstetrics and Gynecology at the Perelman School of Medicine at the University of Pennsylvania, showed for the first time that engineered human T cells can eradicate deadly human ovarian cancer in immune-deficient mice.

9 Aug 2011

Novel link between two receptors mediates fungal recognition in macrophages

Whitehead Institute researchers have uncovered a novel association between two fungal recognition receptors on the surface of certain immune cells, called macrophages.

9 Aug 2011

Response Genetics second quarter total revenue increases 18.8% to $6.7 million

Response Genetics Inc., a company focused on the development and sale of molecular diagnostic tests for cancer, today announced its consolidated financial results and business progress for the second quarter ended June 30, 2011.

8 Aug 2011

HPV-related throat cancer cases increase sharply over the past 10 years

Forty-two-year-old Manahawkin, New Jersey resident David Caldarella can recite a long list of dates off the top of his head. The first one starts with the day he found a lump on the right side of his neck while shaving. It was March 23, 2010. Caldarella immediately called his physician.

8 Aug 2011

ADVENTRX's second quarter net loss decreases to $4.4 million

ADVENTRX Pharmaceuticals, Inc. today reported financial results for the periods ended June 30, 2011.

8 Aug 2011

NanoLogix BNP and BNF Quick Test kits detect, identify Group B Strep in four to six hours

NanoLogix, a biotechnology innovator in the rapid detection and identification of live-cell bacteria and microorganisms, announced today that the American Journal of Perinatology has published a peer-reviewed paper from the University of Texas Health Science Center - Houston confirming NanoLogix BioNanoPore (BNP) and BioNanoFilter (BNF) Quick Test technology detect and identify Group B Strep in four to six hours.

8 Aug 2011

Researchers team up to combat age-related macular degeneration

A professor at the University of California, Riverside Bourns College of Engineering has received a $100,000 grant to develop a new technique to fight a disease that gradually destroys vision.

8 Aug 2011

Ovarian cancer gene discovered

A new study finds that around one woman in 70 is at risk of developing ovarian cancer, which claims more than 4,200 lives a year and this could be attributed to a faulty RAD15D gene. The gene raised the risk to one in 11.

8 Aug 2011