Tag: "membrane" at biology news
NIH awards new $14.5 million, five-year grant to the Scripps Research Institute
...echnologies," funds structural biology research on membrane
proteinsan area of immense medical potential. No...ducing certain types of proteins, particularly for membrane
proteins," says Scripps Research Professor Raymond Stevens, Ph.D., who is the principal investigator...
32 new grants made for innovative technology R&D
...e-metal catalyst to enable compact proton exchange membrane
fuel cells with superior performance and longer lifetimes while simplifying manufacturing. Corning Incorporated (Corning, N.Y.) Scalable Planar Solid-Oxide Fuel Cell Technology for Beyond 200kWDevelop a thin, large area planar solid oxide fuel...
University of Oregon professor wins 2004 Spiers Medal
...ld, and how proteins and enzymes interact with the membrane
that surrounds the cells in our bodies. Professor Richmond's innovative use of nonlinear spectroscopy-lasers-has made it possible to study liquid structure at a variety of interfaces." Richmond was one of the first scientists to recognize the p...
Story tips from the Department of Energy's Oak Ridge National Laboratory, October 2004
...fibers can be arranged to create tiny fluid-filled membrane
structures that enable rapid diffusion-based mixing. The silicon-based fabrication techniques allow integration with electronic devices. "Integration with other microscale structures such as electronic systems would make possible communication betwee...
Mitochondria findings may help beat wide range of disease
...the sequence of events underlying outer and inner membrane
fusion. What they discovered -- that mitochondria...wo distinct stages, with the first involving outer membrane
fusion yielding an intermediate structure of two conjoined mitochondria, followed by the subsequent ...
Ancient Chinese folk remedy packs anti-cancer punch
..."free radicals." The free radicals attack the cell membrane
and other molecules, breaking it apart and killing the parasite. Lai said he began to wonder if the process might work with cancer, too. "Cancer cells need a lot of iron to replicate DNA when they divide," Lai explained. "As a result, can...
Gene linked to greater risk of heart disease in type 2 diabetes
... protein called CD36. This protein is found in the membrane
of several types of cells, including the walls of blood vessels. Previous studies had shown that, among other functions, CD36 is involved in transporting free fatty acids into cells. It also is a scavenger of oxidized "bad" cholesterol LDL at the ar...
Study is looking at ways to help stroke survivors regain lost motor skills
... of small stimulating electrodes on the protective membrane
over the outer surface, or cortex, of the brain co...ce then have an electrode placed on the protective membrane
over the area of the brain identified by the MRI as affected by stroke. The electrode connects to a...
Bug's-eye-view of urinary tract reveals E.coli infection genes
...the specific proteins expressed on E. coli's outer membrane
during infection, researchers will have specific targets for the development of vaccines or therapeutic drugs designed to kill invading E. coli bacteria," Mobley adds....
Common household fragrances may be harming aquatic wildlife, study finds
...an efflux transporter, that's embedded in the cell membrane
and pumps out toxins that get into the cell." For the experiment, gills were carefully sliced from living mussels and placed in water containing very low concentrations of synthetic musks--300 parts per billion or less. After two hours, the gills wer...
Trojan-horse therapy blocks buildup of Alzheimer's plaque
...ge for example, its ability to penetrate the cell membrane
to enter the cell. In studies of the molecules' effects on amyloid growth in cultures of neurons, the researchers confirmed that the Trojan horse molecules substantially reduced the toxicity of the amyloid by inhibiting growth of the shorter, more to...
Scientists closing in on nerve proteins' contributions to memory and hearing loss
...c populations. Nrg-1 is positioned in the outer membrane
of nerve cells, with a portion hanging outside the nerve cell and another part jutting inside it. The exterior portion, known as Nrg-ECD, contributes to the formation of synapses, areas where two nerve cells communicate across a small physical gap, a...
Gene linked to enlargement of the factory where proteins are processed
...ER, the envelope fuses with the inside face of the membrane
that surrounds the cell itself. Once fused to the ...ncrease in the activity of key enzymes involved in membrane
production. Because it is already known that UPR triggers activation of the XBP1 gene, findings of t...
Safety and immunogenicity data available for new pertussis booster vaccine candidate for adolescents
...ever and neck swelling. In more serious cases, a membrane
can form over the airway and result in respiratory obstruction. Causes of death can also include heart failure. Most cases of diphtheria occur among unvaccinated or inadequately vaccinated persons. Tetanus (lockjaw) is a severe, often fatal disea...
Researchers discover transport molecule that allows boron into cells
...r nutrients, cells must transport boron across the membrane
to control its concentration within the cell. The discovery of NaBC1 may help scientists understand how cells control internal boron concentration and the role of boron in a wide range of cellular processes, such as cell growth and bone mineralizati...
Crucial evolutionary link points to origins of modern cells
...lptor may have molded and re-formed the outer cell membrane
of primitive bacteria into the intricate and inter...ve their membranes, allowing them to form internal membrane
structures as well as to engulf other organisms. The findings reported by Rout and colleagues sugges...
Identifying the path to infection
...ermined the two-dimensional crystal structure of a membrane
protein involved in the process by which the Esche...'adhesive protein' secreted by the cells through a membrane
protein 'channel.' Our structure of this protein channel helps show how secretion occurs, which may ...
Drug may hinder recovery from heart attacks
...centration and movement of HCO3- across the plasma membrane
by regulation of bicarbonate transport proteins (BT) that can rapidly catalyse the transmembrane movement of HCO3-. The focus of Dr. Casey's laboratory's research is to understand the processes of transmembrane HCO3- transport at the molecular and ce...
Duchenne Muscular Dystrophy research focuses on early mechanisms
...looking at possible changes in the outer layer, or membrane
of the muscle cell where dystrophin is normally fo...rchers will look at possible changes in the muscle membrane
that may change the way signals are transmitted between the outside and inside of the cell. These c...
JCI table of contents, November 15 2004
...polycystin-1 is cleaved and released from the cell membrane
by a process known as regulated intramembrane prot...thout colocalization of these proteins in the same membrane
compartment. In an accompanying commentary, Lisa Guay-Woodford from the Univers...
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