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Genome sequence published for important biofuels yeast

DURHAM, N.C. -- A strain of yeast that thrives on turning sugar cane into ethanol for biofuel has had its genome completely sequenced by researchers at Duke University Medical Center.

Understanding a cell's split personality aids synthetic circuits

DURHAM, N.C. -- As scientists work toward making genetically altered bacteria create living "circuits" to produce a myriad of useful proteins and chemicals, they have logically assumed that the single-celled organisms would always respond to an external command in the same way.

Alas, some bacteria apparently have an individualistic streak that makes them zig when the others zag.

Designing drugs and their antidotes together improves patient care

DURHAM, N.C. -- Imagine a surgical patient on a blood-thinning drug who starts bleeding more than expected, and an antidote that works immediately -- because the blood thinner and antidote were designed to work together.

New type of genetic change identified in inherited cancer

DURHAM, N.C. -- Duke University Medical Center and National Cancer Institute scientists have discovered that a novel genetic alteration -- a second copy of an entire gene -- is a cause of familial chordoma, an uncommon form of cancer arising in bones and frequently affecting the nervous system.

Duke/Singapore scientists find new way to classify gastric cancers

DURHAM, N.C., -- An international team of scientists has discovered a new way to classify stomach cancers, and researchers say it may be an important step toward designing more effective treatments and improving long-term survival.

Stomach (gastric) cancer is particularly prevalent in Asia and represents the second leading cause of cancer deaths worldwide.

Peer pressure builds more latrines than financial assistance

DURHAM, N.C. -- Government subsidies persuade some people to change habits, but social shame works even better, suggests a recent study of efforts to reduce elevated childhood death and disease rates blamed on the microbial pathogens that cause diarrhea in rural India.

Scientists find obesity alone does not cause arthritis in animals

DURHAM, N.C. -- The link between obesity and osteoarthritis may be more than just the wear and tear on the skeleton caused by added weight.

A Duke University study has found that the absence of the appetite hormone leptin can determine whether obese mice experience arthritis, no matter how heavy they are.

Study suggests obesity alone does not cause knee osteoarthritis in mice

In 2005 the World Health Organization (WHO) estimated that globally 400 million adults were obese, defined by a body mass index (BMI) of 30 kg/m2 or greater. WHO projects that by 2015 there will be more than 700 million obese adults worldwide.

Hyenas cooperate, problem-solve better than primates

DURHAM, N.C. -- Spotted hyenas may not be smarter than chimpanzees, but a new study shows that they outperform the primates on cooperative problem-solving tests.

Pitt researchers net $5 million from NIH to explore better ways to grow cells

PITTSBURGH -- Regenerative medicine researchers at the University of Pittsburgh received two grants totaling more than $5 million from the National Institutes of Health (NIH) to explore new methods for cultivating replacement cells from existing tissues and organs.

Room's ambience fingerprinted by phone

DURHAM, N.C. -- Your smart phone may soon be able to know not only that you're at the mall, but whether you're in the jewelry store or the shoe store.

New device finds early signs of eye disease in preemies

DURHAM, N.C. -- Tell-tale signs of a condition that can blind premature babies are being seen for the first time using a new handheld device in a study at Duke University Medical Center.

Watching your weight? Beware of skinny friends with big appetites

Thin friends who eat a lot could put your waistline at risk, according to a new study in the Journal of Consumer Research, which examines how other peoples' weight and food choices influence how much we eat.

Genetic hint for ridding the body of hepatitis C

More than seventy percent of people who contract Hepatitis C will live with the virus that causes it for the rest of their lives and some will develop serious liver disease including cancer. However, 30 to 40 percent of those infected somehow defeat the infection and get rid of the virus with no treatment.

Black patients experience worse cardiac care, lower survival rates

ANN ARBOR, Mich. -- Black patients have lower rates of successful resuscitation and are less likely to survive an in-hospital cardiac arrest compared to white patients, according to a study in the Sept. 16 issue of the Journal of the American Medical Association.



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