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Tangled Path of Alzheimer's-linked Brain Cells Mapped in Mice

June 5, 2014 12:41 pm | News | Comments

By studying laboratory mice, scientists have succeeded in plotting the labyrinthine paths of some of the largest nerve cells in the mammalian brain: cholinergic neurons, the first cells to degenerate in people with Alzheimer’s disease.      

‘Clever’ DNA Help Bacteria Survive

June 5, 2014 12:38 pm | News | Comments

Scientists have discovered that bacteria can reshape their DNA to survive dehydration. The research shows that bacterial DNA can change from the regular double helix to the more compact A-DNA form, when faced with hostile conditions such as dehydration.

Scientists Discover Basis of Allergic Reactions

June 5, 2014 12:27 pm | News | Comments

While it was known that a specific birch pollen protein causes the immune system to overreact, the exact reason why many people are allergic to birch pollen had not yet been fully clarified. Now, scientists at the Vetmeduni Vienna have discovered what makes the protein an allergen.

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Sperm Size, Shape Affected by Cannabis Use

June 5, 2014 11:53 am | News | Comments

Young men who use cannabis may be putting their fertility at risk by inadvertently affecting the size and shape of their sperm, according to recently published research.                        

Weight Loss Not Influenced by Breakfast

June 5, 2014 11:41 am | News | Comments

Nutritionists regularly suggest breakfast be eaten each morning for health benefits, including weight loss. But new research shows that, when comparing regularly consuming with regularly skipping breakfast, weight loss was not influenced.    

Study Documents MERS Spread from Camel to Person

June 4, 2014 5:17 pm | by Mike Stobbe - AP Medical Writer - Associated Press | News | Comments

A new report offers the strongest evidence yet that a mysterious Middle East virus spreads from camels to people. Researchers studied the illness of a 44-year-old camel owner in Saudi Arabia, who died in November of Middle East respiratory syndrome, or MERS.

Saturated Fat May Influence Expression of Obesity Genes

June 4, 2014 2:28 pm | News | Comments

Limiting saturated fat could help people whose genetic make-up increases their chance of being obese, according to a new study. The findings could be useful in identifying people who are predisposed to obesity and could ultimately lead to personalized dietary recommendations.

Test Predicts if Breast Cancer Will Spread

June 4, 2014 2:21 pm | News | Comments

A test that counts the number of locations in tumor specimens where tumor cells may invade blood vessels predicted the risk of distant spread, or metastasis, for the most common type of breast cancer.               

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Experimental Drug Targets Skin, Lung Cancers

June 4, 2014 1:55 pm | News | Comments

Researchers are reporting promising treatment milestones for patients with deadly skin and lung cancers who are being treated with an experimental drug called MK-3475.                        

Scientists Successfully Transplant, Grow Stem Cells in Pigs

June 4, 2014 1:46 pm | News | Comments

One of the biggest challenges for medical researchers studying the effectiveness of stem cell therapies is that transplants or grafts of cells are often rejected by the hosts. Now, researchers have shown that a new line of genetically modified pigs will host transplanted cells without the risk of rejection.

One Chip, One Dream: The Pursuit of a DNA-powered Lab-on-a-chip

June 4, 2014 1:38 pm | by Christina Jakubowski, News Editor | Articles | Comments

Christofer Toumazou believes he can change the world with his “one chip, one bug – one chip, one drug,” slogan. Nominated for the European Patent Office’s 2014 European Inventor award, he holds a patent for the technology behind a microchip that can analyze DNA within 30 minutes and without a laboratory.

Researchers Shut Down a SARS Cloaking System

June 4, 2014 10:44 am | News | Comments

A Purdue University-led research team has figured out how to disable a part of the SARS virus responsible for hiding it from the immune system; a critical step in developing a vaccine against the deadly disease. The findings also have potential applications in the creation of vaccines against other coronaviruses, including MERS.

Heart-shocking ‘Shirt’ Could Save Lives

June 3, 2014 1:46 pm | News | Comments

Biomedical engineering students have designed a lightweight, easy-to-conceal shirt-like garment to deliver life-saving shocks to patients experiencing serious heart problems. The students say their design improves upon a wearable defibrillator system that is already in use.

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Scientists Uncover Features of Antibody-Producing Cells in HIV

June 3, 2014 1:38 pm | News | Comments

By analyzing the blood of almost 100 treated and untreated HIV-infected volunteers, a team of scientists has identified previously unknown characteristics of B cells in the context of HIV infection.               

Molecular 'Scaffold' Could Hold Key to New Dementia Treatments

June 3, 2014 1:36 pm | News | Comments

Researchers at King’s College London have discovered how a molecular ‘scaffold’ which allows key parts of cells to interact, comes apart in dementia and motor neuron disease (such as ALS), revealing a potential new target for drug discovery.

Brain May be Able to Repair Itself from Within

June 3, 2014 1:25 pm | News | Comments

Researchers have found a new type of neuron in the adult brain that is capable of telling stem cells to make more new neurons. Though the experiments are in their early stages, the finding opens the tantalizing possibility that the brain may be able to repair itself from within.

Children with Autism Have Elevated Levels of Steroid Hormones in the Womb

June 3, 2014 1:24 pm | News | Comments

Children who later develop autism are exposed to elevated levels of steroid hormones (for example testosterone, progesterone and cortisol) in the womb, according to scientists. The finding may help explain why autism is more common in males than females. However, the researchers caution it should not be used to screen for the condition.

Young Women Fare Worse than Young Men After Heart Attack

June 3, 2014 1:02 pm | News | Comments

Women age 55 or younger may fare worse than their male counterparts after having a heart attack, according to new research presented at the American Heart Association’s Quality of Care and Outcomes Research Scientific Sessions 2014. Researchers studied records and interviews of 3,501 people (67 percent women) who had heart attacks in the United States and Spain in 2008-12.

Making Embryos from 3 People Doesn't Look Unsafe

June 3, 2014 8:18 am | by Maria Cheng, AP Medical Writer | News | Comments

Britain's fertility regulator says controversial techniques to create embryos from the DNA of three people "do not appear to be unsafe" even though no one has ever received the treatment, according to a new report. Read more...       

Study Identifies New Genetic Cause of Male Reproductive Birth Defects

June 2, 2014 2:26 pm | News | Comments

Baylor College of Medicine scientists defined a previously unrecognized genetic cause for two types of birth defects found in newborn boys. Cryptorchidism and hypospadias are among the most common birth defects but the causes are usually unknown.

Fatty Liver Disease Prevented in Mice

June 2, 2014 2:26 pm | News | Comments

Studying mice, researchers have found a way to prevent nonalcoholic fatty liver disease, the most common cause of chronic liver disease worldwide. Blocking a path that delivers dietary fructose to the liver is what prevented mice from developing the condition.

Cystic Fibrosis, Diabetes Link Explained

June 2, 2014 12:15 pm | News | Comments

Many people with cystic fibrosis develop diabetes. The reasons for this have been largely unknown, but now researchers have identified a molecular mechanism that contributes to the raised diabetes risk.              

Leptin Also Influences Brain Cells That Control Appetite

June 2, 2014 11:46 am | News | Comments

Twenty years after the hormone leptin was found to regulate metabolism, appetite, and weight through brain cells called neurons, researchers have found that the hormone also acts on other types of cells to control appetite.       

Stem Cells Make In-Lab Step Toward Specialization

June 2, 2014 11:39 am | News | Comments

The gap between stem cell research and regenerative medicine just became a lot narrower, thanks to a new technique that coaxes stem cells, with potential to become any tissue type, to take the first step to specialization. It is the first time this critical step has been demonstrated in a laboratory.

Engineering a Better Way to Rebuild Bone Inside the Body

May 30, 2014 2:09 pm | News | Comments

Traumatic bone injuries are often so severe that the body can’t effectively repair the damage on its own. To aid the recovery, clinicians inject patients with proteins called growth factors. The treatment is costly, requiring large amounts of growth factors. The growth factors also disperse, creating unwanted bone formation. A new developing technology could provide more efficient delivery of the bone regenerating growth factors.

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