Tag: "verify" at biology news

NIH funds 'Breast Cancer and the Environmental Research Center' at Fox Chase Cancer Center

...lopment to menarche). "The aim of this work is to verify whether premenopausal breast cancer, which is more common in African-American women, is related to their earlier age at menarche," Russo said. "Therefore, a better understanding of factors affecting pubertal development will contribute essential kno...

Thorough, searchable database of human proteins unveiled

Like expert curators who verify and create catalogs of the world's great art collections, an international team of scientists has developed a human protein database they say will change the way biology is done. The team unveils the online Human Protein Reference Database in the Oct...

Enzyme discovery sheds light on causes of rare disease, cancer

...HF9 and its corresponding gene while attempting to verify the existence of the Fanconi protein complex and identify its structure. Based on earlier work, the researchers suspected that the complex incorporated proteins produced by at least five previously known FA genes. Today's findings not only confirm th...

Discovering new regulators of the immune system

...of the genes that were identified in the screen to verify their functional relevance. These experiments confirmed that the genes EDG1, PAK2, and the previously unidentified TRAC-1 were normally expressed in the lymphoid system and that truncated versions of the proteins they produce could repress T-cell rec...

The 'fixed' hotspot that created Hawaii was not stationary after all, study finds

...ition," Scholl explained. Researchers were able to verify the latitudes at which the seamounts formed by determining the angles at which the magnetite had frozen. Using these data, the research team concluded that the "fixed" Hawaiian hotspot probably crept southward between 81 million and 47 million years ...

Human genes can predict AIDS progression rate

...on other infected populations will be important to verify or refute the results of this study....

Scientists find potential stem cells in amniotic fluid a new source?

... an early stage. A lot more work had to be done to verify the finding, and tests were now under way to establish in which direction the cells could be differentiated. However, preliminary experiments have already provided evidence that they can be differentiated into nerve cells. If, after extensive resear...

New study: percentage of babies born with intestinal birth defect growing in U.S., N.C.

... all tertiary care centers throughout the state to verify that babies included in the study had gastroschisis and not some other gastrointestinal problem. "We found the incidence of gastroschisis increased in North Carolina from 1.96 per 10,000 births in 1997 to 4.49 per 10,000 births in 2000," Laughon said...

Mercury in packaged whale meat across Japan may be a major health problem

...evels in the samples and did a genetic analysis to verify the species of each whale. The researchers analyzed 137 meat samples in all and found that every one exceeded the provisional mercury level set by the Japanese Ministry of Health, which is 0.4 parts per mi...

MacKinnon lab's newest picture tells action potential story

...otein not once, but hundreds of times, in order to verify it and produce enough of what we need for making crystals," says MacKinnon. The voltage dependent potassium channel is but one example of the determination MacKinnon cites. It took postdoctoral associate Youxing Jiang, with the help of staff scienti...

Arsenic in drinking water may be linked to cancer Dartmouth study finds

...ber of individuals and a larger study is needed to verify the results. Though arsenic has been known as a poison since ancient times, people in many regions of the world consume small amounts of arsenic every day in their drinking water. Exposure to these relatively small doses of arsenic has been linked...

Molecule offers insights into fertilization

...er said. "For the first time, we have been able to verify experimentally that tryptophan promotes rates of fertilization, and by how much. It is likely that bourgeonal has a similar effect in humans." In addition, the scientists have discovered a potent inhibitor, called undecanal, that blocks the effects o...

In vitro fertilization may be linked to bladder defects

... Children's Center. "Further research is needed to verify these findings and understand this association. These defects are extremely rare, and our preliminary findings should not alone discourage couples from undergoing IVF." Exstrophy-epispadias complex, which is comprised of defects of the bladder, pelvi...

First sightings of individual proteins as they fold

... environment, and their own condition. The results verify what theoretical scientists have suspected for nearly a decade that protein molecules vary in the routes they take to the same folded shape and form numerous intermediate shapes on the road. The belief that had prevailed earlier was that one distinc...

Computer scientist locates more than 1,000 novel genes in mouse and human

... "Whereas it might have taken 7,000 experiments to verify a thousand genes, with our method it now will take only about 1,500," said Michael R. Brent, Ph.D., associate professor of computer science at Washington University in St. Louis. Brent developed TWINSCAN, one of the programs used to predict genes by...

Tiny RNAs-'biological equivalent of dark matter'-wins prestigious AAAS Newcomb Cleveland Prize

... Victor Ambros of Dartmouth were able to clone and verify the expression of 15 miRNAs. Two of these RNAs are also found in humans-including one that may play a role in the development of heart tissue, Lee and Ambros noted. "Each miRNA is probably matched to one or more other genes whose expression it contr...

Shifts in rice farming practices in China reduce greenhouse gas methane

... said. "Still, more work will be needed to further verify the relationship demonstrated in this study with limited data points." Demand for rice in Asia is projected to increase by 70 percent over the next 30 years, and agriculture currently accounts for about 86 percent of total water consumption in Asia,...

Virginia's champion trees make history

... relies on volunteers to search for, nominate, and verify the measurements of big trees in Virginia. When a big tree is reported to the program, it is entered into the Virginia Big Tree Registry, an official list maintained jointly by the Virginia Forestry Association, the Virginia Department of Forestry, a...

First potentially clinically useful independent marker for lung cancer identified

...ts stratified according to its status. In order to verify that the link between ERCC1 and survival did not occur by chance alone, they carried out multivariate analyses on their results and established that it was an independent marker, irrespective of the stage of NSCLC or a patient's age or sex. "Adjuvan...

Assisted reproduction may be linked to birth defect syndrome

...s Children's Hospital. "We need additional data to verify our findings, and if confirmed, to understand why there is an association." BWS occurs in about 1 in 15,000 births overall. Currently, IVF is not thought to result in birth defects at a higher rate than natural conception, according to the Society f...

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