Single gene change increases mouse lifespan by 20 percent
By lowering the expression of a single gene, researchers at the National Institutes of Health have extended the average lifespan of a group of mice by about 20 percent—the equivalent of raising the...
View ArticleStudy reveals why the body clock is slow to adjust to time changes
New research in mice reveals why the body is so slow to recover from jet-lag and identifies a target for the development of drugs that could help us to adjust faster to changes in time zone.
View ArticleDigesting milk in Ethiopia: A case of multiple genetic adaptations
A genetic phenomenon that allows for the selection of multiple genetic mutations that all lead to a similar outcome—for instance the ability to digest milk—has been characterised for the first time in...
View ArticleLearning how the brain takes out its trash may help decode neurological diseases
Imagine that garbage haulers don't exist. Slowly, the trash accumulates in our offices, our homes, it clogs the streets and damages our cars, causes illness and renders normal life impossible.
View ArticleProtein that protects nucleus also regulates stem cell differentiation
The human body has hundreds of different cell types, all with the same basic DNA, and all of which can ultimately be traced back to identical stem cells. Despite this fundamental similarity, a bone...
View ArticleCall for President Obama to 'remove public veil of ignorance' around state of...
In a call to action on the sorry comparative state of U.S. health, researchers at Columbia University's Mailman School of Public Health are urging President Obama to "remove the public veil of...
View ArticleAlcohol breaks brain connections needed to process social cues
(Medical Xpress)—Alcohol intoxication reduces communication between two areas of the brain that work together to properly interpret and respond to social signals, according to researchers at the...
View ArticleMutations in a gene that impacts immune function increase susceptibility to...
A team of researchers led by Janet Stanford, Ph.D., of Fred Hutchinson Cancer Research Center has discovered that mutations in the gene BTNL2, which encodes a protein involved in regulating T-cell...
View ArticleShutting off neurons helps bullied mice overcome symptoms of depression
A new drug target to treat depression and other mood disorders may lie in a group of GABA neurons (gamma-aminobutyric acid –the neurotransmitters which inhibit other cells) shown to contribute to...
View ArticleResearchers find link between blueberries, grapes and apples and reduced risk...
Eating more whole fruits, particularly blueberries, grapes and apples, is associated with a lower risk of type 2 diabetes, with greater fruit juice consumption having an adverse effect, a paper...
View ArticleNew collagen patch speeds repair of damaged heart tissue in mice
You can't resurrect a dead cell anymore than you can breathe life into a brick, regardless of what you may have gleaned from zombie movies and Dr. Frankenstein. So when heart cells die from lack of...
View ArticleGenomic study: Why children in remission from rheumatoid arthritis experience...
More children with juvenile rheumatoid arthritis are experiencing remission of their symptoms, thanks to new biological therapies, but the remission is not well-understood. A new study published today...
View ArticleIntellectual disability linked to nerve cells that lose their 'antennae'
(Medical Xpress)—An odd and little-known feature of nerve cells may be linked to several forms of inherited intellectual disability, researchers at Washington University School of Medicine in St. Louis...
View ArticleWhy we look at the puppet, not the ventriloquist
(Medical Xpress)—As ventriloquists have long known, your eyes can sometimes tell your brain where a sound is coming from more convincingly than your ears can.
View ArticleIVF success for one in two under 35, but failure after five cycles
The first national report into the cumulative success of IVF has shown there is little chance of pregnancy after the fifth round of treatment, regardless of a woman's age.
View ArticleResearchers identify key protein's role in cancer development
Researchers at the University of Cincinnati (UC) have identified a key protein as the first dual-function co-regulator of an estrogen receptor that plays a crucial role in cancer development, opening...
View ArticleResearchers find promising new angle for drugs to prevent stroke and heart...
Platelets, which allow blood to clot, are at the heart of numerous cardiovascular problems, including heart attacks and stroke. New research has uncovered a key platelet protein that could offer a new...
View ArticleVaccination may make flu worse if exposed to a second strain
(Medical Xpress)—A new study in the U.S. has shown that pigs vaccinated against one strain of influenza were worse off if subsequently infected by a related strain of the virus.
View ArticleA wine a day associated with lower risk of depression
Drinking wine in moderation may be associated with a lower risk of developing depression, according to research published in Biomed Central's open access journal BMC Medicine. The reported findings by...
View ArticleLeft brain, right brain: Different patterns of cortical interaction
(Medical Xpress)—The human brain is divided into two hemispheres – left and right – in which neural functions are said to be lateralized. (For example, language and motor abilities are associated with...
View Article