Transplanted photoreceptor precursor cells restore visual function in mice with retinal degeneration
...tunity during which a cell has committed itself to becoming a rod but has not yet started to function as such....loped to the point at which they were committed to becoming rods. After almost two decades of directing fundamental research on retinal development and degen...Researchers link ocean organisms with increased cloud cover and potential climate change
... them brighter," Nenes explained. "In addition to becoming brighter, the clouds can also have less frequent precipitation, so you might have a build-up of clouds. Overall, this makes the atmosphere cloudier and reflects more sunlight back into space." In their paper, the researchers estimated that the iso...New study has important implications for flu surveillance
...ithin one mutation of achieving higher fitness and becoming dominant. Once the crucial last mutation does occur, virus evolution shifts from stasis to a brief interval of rapid Darwinian evolution, where the new dominant virus rapidly sweeps through the human population and eliminates most other variants. B...Insights into honey bee sex gene could bring sweet success in breeding
.... Typically, this results in one version of a gene becoming very common and other versions becoming rare or disappearing altogether. When balancing selection operates, however, natural selection favor...Erotic images prove useful in coaxing out unconscious brain activity
...ed with erotic images in a way that keeps you from becoming aware of them, your brain can still detect and respond to the images according to your gender and sexual orientation, a team of University of Minnesota psychologists has found. The team, led by graduate student Yi Jiang and his adviser, psychology pr...Diabetes gene carries similar risk to obesity
...jor risk factor for developing diabetes, it is now becoming clear that an individual's genetic makeup has a bi...risk, but the most important things to do to avoid becoming diabetic are to eat healthily, take moderate exercise and not to become overweight." Currently, ov...A little of what you fancy does you no good
...ait and the sexes are genetically constrained from becoming dimorphic, "intralocus" sexual conflict can occur. In a new study, Alison Pischedda and Adam Chippindale explore the potential costs of intralocus sexual conflict in the genetically tractable fruit fly, Drosophila melanogaster. By measuring the inher...UGA study identifies North American wild bird species that could transmit bird flu
... that these viruses may not have much of chance of becoming established in North America. Stallknecht said the finding is encouraging, but cautions that it's difficult to put it into context without results from a study his team is currently working on that will assess the minimum amount of virus it takes t...Stretching bone marrow stem cells pushes them towards becoming blood vessel
... cell taken from bone marrow can be nudged towards becoming the type of tissue found in blood vessels, accordi...oint the bone marrow stem cell in the direction of becoming the smooth muscle tissue of vascular walls. The findings, published today (Monday, Oct. 23) in the ...ACS News Service Weekly PressPac -- October 11, 2006
...tched in the public's mind, why it is happening is becoming a less important scientific question than what can be done about it, according to an article scheduled for publication in the Oct. 16 issue of Chemical & Engineering News, the ACS's weekly newsmagazine. Reporting on the recent Washington Summit on ...Vax and Pax: Taking turns to build an eye
... how you get an optic nerve--by preventing it from becoming a retina," explains Lemke. The only problem was that later on both Vax2 and Pax6 were co-expressed in the same cells. "If Vax2 was repressing Pax6 this seemed inconsistent," he says. Both proteins bind DNA and function in a cell's nucleus to switch...Nerve cell software keeps track of brain change
... the progress of brain research research which is becoming increasingly urgent in a world where tens of millions of people suffer neurodegenerative diseases like Alzheimer's and Parkinson's." HCA-Vision was developed by CSIRO's Biotech Imaging team who built on mathematical software code libraries from many ...A new approach to the treatment of malaria in pregnant women in West Africa
...ranza, Ghana and at LSHTM. Malaria parasites are becoming increasingly resistant to choloroquine and sulphadoxine-pyrimethamine (SP) across Africa and there is a need to find new drugs which are safe and well tolerated. Most countries in Africa are adopting artesunate-based combination therapy (ACT) as the...ASU discovery may aid counter-terrorism efforts
... in trying to stay ahead of the terrorists who are becoming increasingly sophisticated in their methods," said Wang, who serves as a faculty member with joint appointments in the Departments of Chemical Engineering in the Ira A. Fulton School of Engineering and Chemistry and Biochemistry in the College of Lib...UA researchers find smallest cellular genome
...-down genome may indicate that it is on its way to becoming an organelle, the researchers write in their article....Tissue geometry plays crucial role in breast cell invasion
...ntervening and preventing pre-malignant cells from becoming fully malignant."...Giant insects might reign if only there was more oxygen in the air
...d. This is because the tracheal system is not only becoming longer to reach longer limbs, but the tubes increase in diameter or number to take in more air to handle the additional oxygen demands. The disproportionate increase in tracheal size reaches a critical point at the opening where the leg and body me...Seals protect brain, conserve oxygen by turning off shivering response on icy dives
... example, as a result of falling into the ocean or becoming lost during the winter. In addition, several hundred thousand people die or are irreversibly injured each year following cardiac arrest, stroke or respiratory disorders which cause inadequate oxygen supply to the brain, Folkow explained. Folkow wil...Global warming to be addressed at public forum
...5, and Al Gore's recent efforts, climate change is becoming more prominent in public awareness. The Choices and Challenges forum provides an occasion for public discussion of scientific, ethical, ecological, and policy issues surrounding this topic. "To be informed participants in energy policy debates, the...Fruit fly study identifies gene mutation that regulates sensitivity to alcohol
...sitive to alcohol's impact are at greater risk for becoming alcohol dependent," he said. The researchers exposed fruit flies to vaporized alcohol and monitored their behavior and motion patterns with sensitive tracking instruments. They isolated the flies that were less sensitive to alcohol's sedative effe...