Tag: "have" at biology news

Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

...of problems affecting it remained unclear. Now, we have evidence that these patterns may be set early on, ...counterparts, were about 40 percent more likely to have an 18-month-old who refused to go to bed, woke early, and kept crawling out of bed. The childs rocky...

St. Jude study solves mystery of mammalian ears

... the inner ear amplify sound in mammals appears to have been settled more in favor of bouncing cell bodies...d explain why dogs, cats, humans and other mammals have such sensitive hearing and the ability to discriminate among frequencies. The work also highlights t...

Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily

...ITTSBURGH -- Carnegie Mellon University scientists have made an important discovery that aids the understa... fusion intermediates. Through evolution, viruses have also become skilled at fusing with cells to unload their genetic contents, which turn host cells int...

Genomic Analysis Uncovers New Targets for HIV Vaccine

...DNA of 486 people infected with HIV that appear to have helped some of the patients fight off the virus an...infectious disease," Goldstein said. "Past studies have looked at individual candidate genes. Since different people respond differently to infections, a be...

Scratch no more: Gene for itch sensation discovered

...hington University School of Medicine in St. Louis have identified the first gene for the itch sensation i...n itching has been somewhat neglected. "Many genes have been identified in the pain pathway," says Chen, associate professor of anesthesiology, psychiatry a...

FDA sees nanotech challenges in every product category it regulates

...ncy’s insufficient resources—which for two decades have not kept pace with inflation—making sure that FDA ...issue that Congressional leaders from both parties have called on the federal government to address urgently,” said Maynard....

One species, many genomes

...gned DNA probes. "All together, these probes would have seven times the length of human genome," illustrat...echnology used so far can only identify genes that have changed or are lost relative to the reference genome, direct sequencing of the genome of wild strain...

Identified main genetic variants involved in response to HIV

...ational collaboration has been the largest ever to have taken place in a large scale study on genetic diff... field of infectious disease. Catalan participants have been coordinated by Javier Martínez-Picado, ICREA research professor in the Foundation irsiCaixa of ...

Art and music for the birds

...valued source of inspiration for artists. But what have artists offered the natural world" Would a bird ev... to find out if rockin’ robins do exist. “Humans have an impact on other animals around us. Catbirds and mockingbirds listen to noise we make, but we don’...

Common cancer gene sends death order to tiny killer

Scientists at Johns Hopkins have discovered one way the p53 gene does what it's kno...microRNAs like miR-34a because a number of studies have demonstrated that these tiny RNA molecules are frequently abnormal in cancer cells. "P53 is one o...

Research identifies protein that signals flowering in squash plants

...nalysis of translocation through the phloem stream have been developed in this system. However, most cucurbits are day-neutral plants, and to investigate the nature of the florigenic signal effectively, it was essential to utilize an obligate SD plant. In day-neutral plants, it is not possible to manipula...

Cellular message movement captured on video

...ilaments (green). Credit: UC San Diego Scientists have captured on video the intracellular version of a p...oskeleton. Even without video evidence, scientists have confirmed over the past 10 years that higher organisms use paxillin as a transmitter of locomotion a...

Researchers discover inherited mutation for leukemia

Researchers have discovered the first inherited gene mutation that ...n somewhat. "Recently, many cancer geneticists have come to believe that such subtle changes are common causes of cancer, and this is one of the first, ...

Agent slows aging in mice

... bushes. These common North American desert shrubs have been traditionally used by Native Americans as hea...w that male mice fed a normal diet and NDGA so far have survived in significantly greater numbers than mice on a normal diet. Scientists measured the differ...

Enzyme delivered in smaller package protects cells from radiation damage

...borating with scientists from Stanford University, have developed a new, smaller gene therapy vector that ...sing concern that such high doses of radiation may have long-term negative effects on healthy tissues and organs, such as the kidney, liver and thyroid glan...

Innovative smallpox vaccine research study to be conducted at Case Medical Center

...pox vaccine geared toward adults ages 18 to 34 who have never been vaccinated against the disease. The stu...nteers must be in general good health and must not have previously been vaccinated against smallpox. Smallpox is a contagious and sometimes fatal infecti...

Cells re-energize to come back from the brink of death

...g offers an explanation of how abnormal cells that have cheated death once by disabling the main suicide pathway called apoptosis can also foil a backup self-destruct program, which allows them to survive and become cancerous. The St. Jude study also suggests that a drug that disrupts a cancer cell’s ...

Brain inflammation may be friend, not foe, for Alzheimer's patients

... hallmark of the disease. While many scientists have assumed that inflammation as a result of disease o...sh in to turn off molecular events that scientists have widely considered to be detrimental in people with the disease. The findings could also renew effort...

Blood test may help signal tumor's remission, return in throat cancer patients

...ns. In addition, because IL-6, IL-8, VEGF, and HGF have been detected in the blood of patients with breast...ther cancers, they suggest that this technique may have broader application in the monitoring of other forms of cancer. Further studies would need to be per...

Releasing fish for the future

...SW DPI scientists Matt Broadhurst and Paul Butcher have shown that mortality rates can be significantly improved through changed practices. Key recommendations from an initial two-year project are that fishers should Cut the line on fish that swallow hooks Remove hooks caught in the fish’s mout...

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