News tagged with human populations

Related topics: genetic diversity




Scientists pinpoint brain's area for numeral recognition

Scientists at the Stanford University School of Medicine have determined the precise anatomical coordinates of a brain "hot spot," measuring only about one-fifth of an inch across, that is preferentially activated ...

Neuroscience created Apr 16, 2013 | popularity 5 / 5 (9) | comments 3 | with audio podcast

Measuring enzyme levels in cancer patients may reveal healthy cells' ability to survive chemotherapy

New research from MIT may allow scientists to develop a test that can predict the severity of side effects of some common chemotherapy agents in individual patients, allowing doctors to tailor treatments ...

Genetics created Apr 05, 2013 | popularity not rated yet | comments 0 | with audio podcast

Team finds mechanism that regulates production of energy-burning brown fat

Joslin scientists have discovered a mechanism that regulates the production of brown fat, a type of fat which plays an important role in heat production and energy metabolism. The findings, which appear in the upcoming issue ...

Medical research created Mar 13, 2013 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Harmful protein-coding mutations in people arose largely in the past 5,000 to 10,000 years (Update)

(Medical Xpress)—A study dating the age of more than 1 million single-letter variations in the human DNA code reveals that most of these mutations are of recent origin, evolutionarily speaking. These kinds ...

Genetics created Nov 28, 2012 | popularity 4.5 / 5 (4) | comments 1 | with audio podcast

Discovery advances fight against phleboviruses

(Medical Xpress)—Researchers in the Life Sciences Institute at the University of Michigan have discovered how a particular type of virus hides and protects its genetic information from the immune system, ...

Medical research created Nov 07, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Abundance of rare DNA changes following population explosion may hold clues to common diseases

One-letter switches in the DNA code occur much more frequently in human genomes than anticipated, but are often only found in one or a few individuals.

Pediatrics created May 17, 2012 | popularity not rated yet | comments 0 | with audio podcast

As population exploded, more rare genes entered human genome

(Medical Xpress) -- As the Earth's human population has skyrocketed since the rise of agriculture some 10,000 years ago -- to 7 billion people from a few million -- so, too, has the number of rare genetic variants.

Genetics created May 11, 2012 | popularity 4.7 / 5 (7) | comments 1 | with audio podcast

Modern genetics answers age-old question on Garrod's fourth inborn error of metabolism

Fifty years after participating in studies of pentosuria, an inherited disorder once mistaken for diabetes, 15 families again welcomed medical geneticists into their lives. Their willingness to have their DNA analyzed with ...

Genetics created Oct 31, 2011 | popularity not rated yet | comments 0 | with audio podcast

World's most advanced genetic map created

A consortium led by scientists at the University of Oxford and Harvard Medical School has constructed the world's most detailed genetic map.

Genetics created Jul 20, 2011 | popularity 5 / 5 (6) | comments 3 | with audio podcast

Population genetics reveals shared ancestries

More than just a tool for predicting health, modern genetics is upending long-held assumptions about who we are. A new study by Harvard researchers casts new light on the intermingling and migration of European, Middle Eastern ...

Genetics created May 24, 2011 | popularity 4.8 / 5 (10) | comments 15 | with audio podcast

Common food supplement fights degenerative brain disorders

Widely available in pharmacies and health stores, phosphatidylserine is a natural food supplement produced from beef, oysters, and soy. Proven to improve cognition and slow memory loss, it's a popular treatment for older ...

Medical research created May 21, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Estimates reveal low population immunity to new bird flu virus H7N9 in humans

The level of immunity to the recently circulating H7N9 influenza virus in an urban and rural population in Vietnam is very low, according to the first population level study to examine human immunity to the virus, which was ...

Diseases, Conditions, Syndromes created May 21, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Stem-cell-based strategy boosts immune system in mice

Raising hopes for cell-based therapies, UC San Francisco researchers have created the first functioning human thymus tissue from embryonic stem cells in the laboratory. The researchers showed that, in mice, ...

Immunology created May 16, 2013 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Research identifies gene mutations associated with nearsightedness

People have long taken for granted that glasses and contact lenses improve vision for nearsightedness, but the genetic factors behind the common condition have remained blurry. Now researchers at Duke Medicine ...

Genetics created May 02, 2013 | popularity 5 / 5 (2) | comments 2 | with audio podcast

Evolving genes lead to evolving genes

Researchers have designed a method that can universally test for evolutionary adaption, or positive (Darwinian) selection, in any chosen set of genes, using re-sequencing data such as that generated by the 1000 Genomes Project. ...

Genetics created Apr 18, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast