Pancreatic cancer blood test & gene studies show promise
...hers are pursuing important clues to the processes inside the cell that govern the growth of pancreatic tumors. In a plenary lecture at the DDW meeting, postdoctoral fellow Gangyong Li, Ph.D., of Simeone's team presented new evidence about an interaction between two important cell-signaling pathways -- TGF...Artificial light-dark cycles expose circadian clocks at odds with each other
...n isolation perhaps spelunkers spending two weeks inside a dark cave typically believe they have been isolated for a much shorter time than they really have been. That's because, lacking the usual time cues, the body's internal clocks start cycling at different paces, one running with the normal human per...Orange, tangerine peels could be better than drugs for lowering cholesterol
...ing the synthesis of cholesterol and triglycerides inside the liver. A long-term human study of the effect of PMFs on high LDL cholesterol is now in progress. While drinking citrus fruits is full of health benefits, taking PMF supplements could be an easier way to lower cholesterol, since a person would ha...22-amino acid bacterium created by Scripps scientists
...ning their attention to what these genes are doing inside cells. Other unnatural amino acids contain photoaffinity labels and other "crosslinkers" that could be used for trapping proteinprotein interactions by forcing interacting proteins to be covalently attached to one another. Purifying these linked p...Archaeologists announce discoveries at the ancient Maya site of Waka' in northern Guatemala
...nterred in a vaulted burial chamber that was built inside the shell of an existing building atop the palace ...yphs, chemical and radiocarbon analysis of remains inside the burial will help place this individual with the site's history. The project's 10 different resea...Tiny beetle wreaks havoc on Texas ornamental tree nurseries
...o named because they cultivate the ambrosia fungus inside the tree. The pest does so for the same reason that a number of ant species farm fungi, to produce food. The fungus plugs up the tree's vascular system, the collection of tiny vessels that transports water and nutrients to the plant cells. "It's r...Transplant rejection averted by simple light exposure in Stanford animal study
...t some skin diseases, administering it to patients inside a chamber under controlled circumstances to avoid burning. Engleman said the ultraviolet treatment would have to be carefully administered to patients before bone marrow or stem cell transplantation to avoid harmful side effects. "The trick is deplet...First target for childhood malaria vaccine
...s protein causes infected red blood cells to stick inside blood vessels, preventing their removal in the spleen. The study also found that this protein, unlike similar malaria proteins studied, does not vary between malaria parasites from East and West Africa, making it an ideal candidate for a universal va...Teachers turn to Tolkein to explain physics
...d.reid@iop.org . Can you turn a tyre's inner tube inside out through a hole in its wall? This question, first posed by physicist Eric Voice in January, had many Physics World readers stumped. But what made the question harder was that readers were asked to find the solution using only their minds - withou...New research outlines public health consequences
... In addition, follow-up of pregnant women who were inside or near the WTC buildings on September 11 found a ... health effect observed in pregnant women who were inside the towers or within 10 blocks of the WTC at the time of the disaster was a two-fold increase in the...Recognition of bacteria in the cytosol by the immune system
...ppreciated way in which bacteria can be recognized inside our cells. Many bacteria cause disease by inva... detection. Prior research had shown that bacteria inside the cytosol (the cell's expansive gel-like compartment) could be detected, but how bacteria within t...Kinase backgrounder: Iressa discovery part of major kinase project at Dana-Farber
... and function. Many kinases act as on-off switches inside cells, controlling the continuous flow of chemical signals that tell the cell what to do. A kinase sends a "go" message by adding a chemical unit called a phosphate to another protein, changing its shape or altering its function. The Kinase Project n...Discovery helps explain how cells package DNA
...cleus, the tiny capsule that holds the chromosomes inside the cell. The study was published in the April 23 issue of the journal Molecular Cell . The protein, known as Hif1p, works in conjunction with an enzyme complex to add histone proteins to newly made DNA. Histones are proteins that form tiny spools a...Biological computer diagnoses cancer and produces drug in a test tube
... "doctor in a cell", which will be able to operate inside a living body, spot disease and apply the necessar...it may take decades before such a system operating inside the human body becomes reality. Nevertheless, only two years ago we predicted that it would take ano...UCLA chemists develop new coating for nanoscale probes
...rs to the different proteins on cells' surface and inside cells. "Humans have close to 40,000 genes,"...ngle protein tagged with a fluorescent quantum dot inside a living cell in three dimensions and within a few nanometers of accuracy. "This process is, ...Researchers find evidence that sea turtles navigate with magnetic maps
...tethered to a tracking device in the pool of water inside the magnetic coil. "Half of the turtles swam in a magnetic field that exists at a location about 350 kilometers north of where they actually were, she said. "The other half swam in a field that exists at an equivalent distance to the south." Animals ...ORNL's nanobiosensor technology gives new access to living cells molecular processes
...nobiosensor" allows scientists to physically probe inside a living cell without destroying it. As scientists...d. "There is a need to explore uncharted territory inside a live cell and analyze the molecular processes. This minimally invasive nanotechnology opens the do...Newly discovered gene controls levels of 'bad' cholesterol in mice
...rt attacks because the waxy LDL molecules build up inside the walls of arteries, causing damage to the blood...irus into normal mice, where it made Pcsk9 protein inside liver cells. With abnormally high levels of Pcsk9 in their livers, the mice developed high cholester...Inflammation, hypertension are focus of major new MCG research program
... thereby reducing the ability of these fatty acids inside cell membranes to relax smooth muscles, increase b...ooth muscle cells that comprise blood vessel walls inside the kidney. "In hypertension, blood vessels are over-constricted and I am interested in the constric...Scientists correct cystic fibrosis defect in mice with turmeric extract
...rm of cystic fibrosis, the CFTR protein is trapped inside the cell, and is therefore unable to carry out its...t CFTR protein from this inappropriate compartment inside the cell and allow it to reach its proper destination, where it is able to function. Furthermore, or...