children 2 6

Tag: "children" at biology news

A little telomerase isn't enough

... in her early 60s and died at age 65. Her affected children developed signs of the disease about 10 years earlier than she had, and analysis of their cells revealed that 60 percent to 75 percent of their chromosomes had dangerously short telomeres. In an affected grandson, signs of the disease appeared 40 yea...

Researchers identify molecular anchor that allows bacterial invasion of central nervous system

...th antibiotics, since up to 25 percent of affected children may die or suffer permanent cognitive deficits, cerebral palsy, blindness, deafness or seizures. Therefore, an early acting treatment would help reduce the high rates of disability and death. "Previous studies have found that Streptococcus bacteria ...

Fruit fly research set to revolutionize study of birth defects

... long time in the body and causes birth defects in children from women who have it in their systems. The study of the drug's effect on fruit flies has allowed Queen's researchers including graduate student Joslynn Affleck to identify the genes on which the drug acts. "We hope that through this model system ...

Anti-cancer drugs may hold promise for premature aging disorder

...itions, might also provide a potential therapy for children suffering from Hutchinson-Gilford Progeria Syndrom...affect one child in 4 million. When they are born, children with progeria appear normal. But, as they grow older, they experience growth retardation and show dr...

2005 AIDS figures released by WHO and UNAIDS

...hat, without HIV prevention measures, about 35% of children born to HIV-positive women will contract the virus. While mother-to-child transmission has been virtually eliminated from industrialized countries and service coverage is improving in many other places, it still falls far short in most of sub-Saharan...

Earliest European Farmers Left Little Genetic Mark On Modern Europe

...hat, without HIV prevention measures, about 35% of children born to HIV-positive women will contract the virus. While mother-to-child transmission has been virtually eliminated from industrialized countries and service coverage is improving in many other places, it still falls far short in most of sub-Saharan...

Clinical trial to test stem cell approach for children with brain injury

...al will gauge the safety and potential of treating children suffering traumatic brain injury with stem cells d...tation. Studies show between 15 and 25 percent of children suffering severe traumatic brain injury die, and survivors of even moderate injury often are devasta...

The dangerous legacy of lead

...lth is funding the research. An estimated 434,000 children in the United States under age 5 have lead levels ...ic exposure usually occurs in older housing, where children come in contact with lead paint and dust and, as a result, may experience intellectual impairment, b...

Penicillin, amoxicillin: Step aside for strep throat treatment

...e bug that causes millions of sore throats in U.S. children every year, simply aren't doing the job and aren't...doctors who reviewed the treatment given to 11,426 children showed that even a short course of the newer drugs is more effective than the traditional 10-day dos...

Looking for the genes that affect a person's level of response to alcohol

... times a person drinks, is more likely to occur in children of alcoholics, and predicts a greater risk for alcohol problems. A study in the November issue of Alcoholism: Clinical & Experimental Research has found that a gene on chromosome 10 ?in particular, the KCNMA1 gene ?is potentially linked to LR....

Implantable pumps extend lives of patients too sick for transplant

...However, because of its size, it cannot be used in children or comfortably in small women. Rogers said that numerous pump designs are being tested that are smaller and lighter. Durability will also be an issue, he said, since replacing an LVAD entails just as substantial and involved a surgical procedure as t...

Polio vaccination strategies assessed as eradication nears

...asure the immune response. Seventy-five percent of children receiving two doses of IPV, followed by one dose o... dose of OPV. After three weeks, 81 percent of the children receiving one OPV dose were still shedding virus, while only 37 percent of those immunized with IPV ...

Recreating 'Flowers for Algernon' with a happy ending

...ntly under review to test the effect of statins in children and adults born with NF1. The findings could help the estimated 35 million Americans who struggle with learning disabilities. "Learning disabilities and mental retardation each affect five percent of the world population," said Dr. Alcino Silva, pr...

Greasing interferon's gears may pave way to greater therapeutic benefits, fewer side effects

... of developing serious viral infections, including children with asthma, heart disease or compromised immune systems." It may be possible, as well, to screen patients for levels of Stat1 responsiveness and use the same treatment strategy to correct low levels of response, according to Holtzman. The research...

Some good news for the world's poor

...ld have been lost. Between 1.5 and 2 percent more children would have been malnourished in developing countri...ntage terms translates into millions of better-fed children in actual terms. However, Dr. Fan warns in his research conclusions that most of these benefits are...

Children overprescribed antibiotics for sore throat

...icians prescribe antibiotics for more than half of children with sore throat, exceeding the expected prevalenc... used nonrecommended antibiotics for 27 percent of children who received an antibiotic prescription, according to a study in the November 9 issue of JAMA. Phar...

Hepatitis B accounts for 40 percent of 'missing' Asian women

...ted that this imbalance reflects neglect of female children and poor conditions for women and, as a result, have argued that as many as 100 million women are "missing." However, in the forthcoming issue of the Journal of Political Economy, Oster proposes an explanation for some of the observed over-represe...

Bacteria that cause tooth decay able to survive without important biochemical pathway

...nic childhood disease that affects five times more children than asthma and is estimated to result in 51 million lost school hours. In an effort to understand how best to combat the tooth-decaying properties of S. mutans, Brady and her team set out to learn how the organism was able to survive its own acid. ...

How the neuron sprouts its branches

...nce because many disorders of brain development in children manifest abnormal dendritic structures," said Ehlers. "Also, it turns out that most neurodegenerative diseases, such as Parkinson's and Alzheimer's, are disorders of protein processing. But we know very little about how and where integral membrane pr...

Sooner is better with cochlear implants, Stanford scientist shows

...pecialists at the University of Maryland to see if children with cochlear implants were able to meld their new...ey used a simple auditory test and found that some children with cochlear implants fuse the visual and auditory aspects of speech - just like people with normal...

1 2 3 4 5 6 7 8 9 10