Scientists discover the cellular roots of graying hair
...stem cells becomedepleted, they also progressively make errors, turning into fullycommitted pigment cells ...noma,we would love to identify a signal that would make a melanoma cell stopgrowing.?Fisher and the report’s lead author, Emi K. Nishimura, MD, PhD, also of...Fundamental Finding Yields Insight into Stem Cells, Cancer; Opens Door to Drug Discovery
...stem cells becomedepleted, they also progressively make errors, turning into fullycommitted pigment cells ...noma,we would love to identify a signal that would make a melanoma cell stopgrowing.?Fisher and the report’s lead author, Emi K. Nishimura, MD, PhD, also of......stem cells becomedepleted, they also progressively make errors, turning into fullycommitted pigment cells ...noma,we would love to identify a signal that would make a melanoma cell stopgrowing.?Fisher and the report’s lead author, Emi K. Nishimura, MD, PhD, also of...New research questions basic tenet of neuron function
..., as their findings suggest, those differences may make it possible to independently regulate spontaneous and activity-dependent neurotransmitter release. Spontaneous release is thought to play a role in the development of the neural circuitry in the brain and body, while activity-dependent release is res...New Study from Affymetrix Laboratories Points to Changing View of How Genome Works
...human genome, there are about 26,000 genes used to make proteins that ultimately control the structure and...dying these protein-coding genes, even though they make up only about two percent of the human genome sequence. The new study by Gingeras' team did not mak...Discovery of key protein's shape could lead to improved bacterial pneumonia vaccine
...eces ofcarbohydrate stimulate the immune system to make antibodies against thereal carbohydrate targets on...apart to see ifsmaller pieces of it can be used to make a vaccine that triggersproduction of antibodies against the CbpA. Since all the S. pneumoniaestrains...Critical role in programmed cell death identified
...nsure that neurons talk to the right neighbors and make the right connections." Also, if cells do not die on schedule, unregulated growth can lead to tumors and other complications. "Mammalian studies that have implicated mitochondrial fragmentation in cell death have been done under rather artificial co...New comparative toxicogenomics database
...eces ofcarbohydrate stimulate the immune system to make antibodies against thereal carbohydrate targets on...apart to see ifsmaller pieces of it can be used to make a vaccine that triggersproduction of antibodies against the CbpA. Since all the S. pneumoniaestrains...Taking Aim With Nanoparticle PEBBLEs
...geted cells are affected. Including molecules that make PEBBLEs more visible in MRI images provides an added bonus, helping to show where tumors are located and how they respond to treatment. In recent experiments with a small number of rats that had a type of brain cancer called 9L-gliosarcoma, PEBBLE-b...Probing The Promise And Perils Of Nanoparticles
...science and engineering. "We're trying to do both: make important new materials and be excited about what ...rticular ways, such as modifying their surfaces to make them neutral instead of charged, the scientists found. And, added Banaszak Holl, "not only does engi...Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer
...n animal, the vector directs the animal’s cells to make thousands ofcopies of the HER2/neu growth protein, says Lachman.In addition, the VRP-neu preferentially homes to specialized immunesystem cells known as dendritic cells, and infects them. Inside,VRP-neu produces high levels of the HER2/neu protein, w...A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020
...n animal, the vector directs the animal’s cells to make thousands ofcopies of the HER2/neu growth protein, says Lachman.In addition, the VRP-neu preferentially homes to specialized immunesystem cells known as dendritic cells, and infects them. Inside,VRP-neu produces high levels of the HER2/neu protein, w...Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra
...been largely successful. Seabirds are beginning to make a comeback on islands previously colonized by foxes, and in some places the vegetation has begun to look lusher. But it is likely to take decades for the ecosystems to fully recover from the effects of the foxes, said James Estes, adjunct professor o...Researchers trace evolution to relatively simple genetic changes
...e way it is normally regulated. That allows you to make a major change in a particular body region ?and produces a new type of body armor without otherwise harming the fish." ...Octopuses occasionally stroll around on two arms, UC Berkeley biologists report
...e way it is normally regulated. That allows you to make a major change in a particular body region ?and produces a new type of body armor without otherwise harming the fish." ...Studies reveal methods viruses use to sidestep immune system
...ut those signals, IRF-3 can't turn on the genes to make interferon, and the virus continues to replicate unimpeded. "Having identified RIG-I, now we can spend our time completely defining the signaling pathway that goes from RIG-I all the way down to IRF-3," Dr. Gale said. "Once we've done that, we hope ...Research Gives Hope For Liver Damage
... to create, activate and de-activate thesecells to make them repair, rather than damage, liver tissue."He added: "Cirrhosis, commonly, but not always, caused by alcoholconsumption, can lead to liver failure. At a time when outcomes forother diseases, such as cancers and heart trouble, have made dramaticga...New SARS Protein Linked To Important Cell Doorway
...tem or to assist reproduced viral proteins as they make their way out of the cell. The finding exemplifie...he orf7a protein. "We learned that the virus does make the protein, but we also got a big surprise when we looked at where the protein was," says Diamond. ...Jumping gene helps explain immune system's abilities
...ections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnects the leftover ones, creating aunique gene (the cellular equivalent of the diner's meal). Snipping outdifferent sections wil...UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections
...ections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnects the leftover ones, creating aunique gene (the cellular equivalent of the diner's meal). Snipping outdifferent sections wil...