year 2 4

Tag: "year" at biology news

Double triumph in stem cell quest

...Cs that are identical to people's own cells. Last year Woo Suk Hwang of Seoul National University claimed to have created an ESC line from a cloned human embryo for the first time. But there were doubts about the results. The technique requires an adult cell and an egg, and because in Hwang's experiment ...

Road salt affects mitigation wetlands

...cause midges are good indicators of stress. "Last year all the wetlands went back to zero salinity in mid...ls will again fall back to zero in mid spring this year as Erie had its last snowfall on May 2 and had a three-foot snowfall in late April. "PennDOT is bet...

Protein Discovery Could Unlock The Secret To Better TB Treatment

.... In England and Wales around 400 people die each year from the disease. The top challenge for TB control in the European region is multidrug-resistant TB (MDR-TB). Eight per cent of the bacteria causing TB in patients are resistant to one or more drugs and one per cent show multidrug resistance. Left un...

Doctors closer to using gene analysis to help trauma patients

...injuries claim hundreds of thousands of lives each year in the United States. In addition, millions of patients are hospitalized, at an annual cost to society of more than $200 billion. Patients may face a long and difficult recovery period riddled with many potentially fatal complications along the way. ...

Elephant seal pups suffer from ocean warming

...h both long-term 25-year cycles and short-term 3-4 year cycles such as those caused by El Niño. Sea lions and fur seals that feed near their rookeries at the surface of the ocean are known to be very sensitive to water temperature changes, as an increase in water temperature usually causes their prey to ...

OneWorld Health drug receives 'Orphan' designation from U.S. and European regulatory agencies

...currently infected; the number of new VL cases per year is estimated at 500,000; and as many as 200,000 pe...ill file for approval of paromomycin in India this year where the need is greatest. It will begin the drug approval process with the FDA and/or the EMEA nex...

Product improves peptide identification for proteomics research

... Agilent had net revenue of $7.2 billion in fiscal year 2004. Information about Agilent is available on the Web at www.agilent.com. ...

Measles Deaths Worldwide Drop By Nearly 40% Over Five Years

...cade ago, measles killed millions of children each year and affected 30 million more, leaving many with li...les deaths are found in low-income countries. Each year more than 130 million children are born and "we must reach each and every one with measles vaccinati...

Infants with Rare Genetic Disease Saved By Cord Blood Stem Cells

...er than 5,000 births combined out of 4 million per year in the U.S. ?they are best treated if patients are diagnosed and treated in early infancy, said Kurtzberg. In fact, transplantation in newborns yields the best long-term outcomes and newborns tolerate the transplants more easily than older babies and...

Stanford gut check shows diversity of intestinal ecosystem

...at must and will follow. It took the team about a year to carry out this analysis of the microbial flora from three people. Although the process can now be done faster, Eckburg and Relman said they plan to complement this current approach with the use of microarray technology. The latter will allow them ...

Low oxygen likely made Great Dying worse, greatly delayed recovery

...uthor of a paper published in Science earlier this year presenting evidence that extinction rates of land vertebrates were elevated throughout the late Permian, likely because of climate change, and culminated in a mass extinction at the end of the Permian. The event, often called "the Great Dying," was t...

Scientists reveal the shape of a protein that helps retroviruses break into cells

...uthor of a paper published in Science earlier this year presenting evidence that extinction rates of land vertebrates were elevated throughout the late Permian, likely because of climate change, and culminated in a mass extinction at the end of the Permian. The event, often called "the Great Dying," was t...

Innovative collaboration brings Arctic science into the classroom

...s and the wider public. This is Dr. Holmes' second year of participating in TREC. During their expedition, Holmes and Clapp will have daily communications with students and the public, using a satellite phone hooked to a laptop computer for internet communications. According to Holmes, "Getting kids excit...

Nature provides inspiration for important new adhesive

....S. and Canada was spending more than $2 billion a year on wood adhesives, and the wood composites industry is one of the largest manufacturing sectors in the United States. "Based on the successful commercial application of our adhesives, the wood adhesive industry and wood products industry are going t...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

...hemotherapy resistance in these cancer cells. Last year Romesberg was awarded a Department of Defense Breast Cancer Research Program Idea Award of $563,100 to identify the genes in Saccharomyces cerevisiae yeast and human cells that induce mutations that can transform normal cells into cancer cells. The ...

'Smart drug' targets deadly brain cancer

...,000 primary malignant brain tumors diagnosed each year in the United States. When first diagnosed, glioblastoma multiforme is usually treated with surgery, radiation therapy and chemotherapy -- and median survival is 12 to 16 months. For patients in whom the disease recurs, the prognosis is indeed dismal...

Researchers find gene that may be at root of potato blight

... disease. The R3a gene was discovered earlier this year by scientists at Wageningen University, The Netherlands. In laboratory experiments on leaves from potato plants, the scientists found that the leaves containing the R3a gene successfully resisted late blight infection when exposed to P. infestans ra...

Research shows smoking adds a decade to reproductive age of IVF patients

...ve birth rate decreasing by 2% for each additional year of age. "In all subgroups smokers had a lower delivery rate per treatment cycle than non-smokers," Dr Lintsen said. "The live birth rate for smokers was 28% lower than that of non-smokers. This was most marked in women who had no known cause for sub...

Single-donor Islet Transplantation Procedure Shows Promise For Patients With Type 1 Diabetes

...single donor pancreas were insulin independent one year later, according to a study in the February 16 issue of JAMA, a theme issue on medical applications of biotechnology. Type 1 diabetes remains a therapeutic challenge, according to background information in the article. The success rate of islet (cel...

Chemical Engineer Kao Explores Antibiotic Synthesis With DNA Chips

...a bacterium with 20 beneficial mutations. "In one year we should be able to generate a high producer that's equivalent to 20 years of work with the traditional method, and then we can study the identifiable mutations," Kao said. Whether she's studying existing mutants or creating her own, Kao's main int...

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