News tagged with human populations

Related topics: genetic diversity




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

Herpes infections: Natural Killer cells activate hematopoiesis

Infections can trigger hematopoiesis at sites outside the bone marrow – in the liver, the spleen or the skin. LMU researchers now show that a specific type of immune cell facilitates such "extra medullary" ...

Medical research created May 16, 2013 | popularity 5 / 5 (3) | comments 0

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

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

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

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

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

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

Cells forged from human skin show promise in treating multiple sclerosis, myelin disorders

A study out today in the journal Cell Stem Cell shows that human brain cells created by reprogramming skin cells are highly effective in treating myelin disorders, a family of diseases that includes multiple sclerosis and ra ...

Medical research created Feb 07, 2013 | popularity not rated yet | comments 2 | with audio podcast

Researchers discover gene that suppresses herpesviruses

Kaposi's sarcoma-associated herpesvirus (KSHV) and Epstein-Barr virus (EBV) hide within the worldwide human population. While dormant in the vast majority of those infected, these active herpesviruses can ...

Medical research created Feb 13, 2013 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

China researchers link obesity to bacteria

Chinese researchers have identified a bacteria which may cause obesity, according to a new paper suggesting diets that alter the presence of microbes in humans could combat the condition.

Overweight and Obesity created Dec 19, 2012 | popularity 5 / 5 (8) | comments 1

Sleeping sickness by stealth

(Medical Xpress)—Stealth is a well-known concept in military tactics. Almost since the invention of radar, the hunt began for counter-technologies to hide aircraft and missiles from detection – most successfully ...

Immunology created Feb 05, 2013 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast