Tag: "revealing" at biology news

Brain Protein "Rescues" Neurons From Atrophy

...he brain cells, spreading throughout each cell and revealing themselves by glowing in color under the microscope. From their experiments, the scientists theorize that defects in the cell's neurotrophin machinery likely play a key role in many neurological disorders. "Many kinds of failures of neurons to grow, ...

Fast Measurement Technique Reveals Early Steps In Protein Folding

...t lasercause some of the amino acids to fluoresce, revealing to the researchersa time-sequence of folding events. "We can monitor the laser-induced fluorescence for up to 60,000 pulses,which corresponds to one millisecond," Gruebele said. "By studyinghow the fluorescence decays over time, we can tell how the ...

Scientists Bridge Gap In Cell Communication

... and defects in embryonic development. By revealing the terminus of the pathway by which cells send and receive messages, the find promises a rational basis for the future treatment of some diseases and, more immediately, gives science a new grasp of a process that triggers decisive events in cells. ...

UT-Houston Awarded $2.5 Million For Scleroderma Research

...ups. To have such a wealth of expertise focused on revealing the genetic andenvironmental basis of the disease is a truly exciting prospect." Commenting on the news that UT-Houston has been selected as the firstSCOR in scleroderma, President M. David Low said: "The NIH decision is bothwelcome and appro...

New Study Shows Dinosaurs From Gobi Desert Site Killed In Sudden "Sand Slides" Falling From Dunes - Study Also Reports First Dinosaur Tracks From Gobi

...hree distinct types of sandstonesat the site, each revealing a different part of the puzzle. One type shows awell-defined bedding structure that is tilted at an angle of twenty-five degreesand is arranged by particle size; such structure is typical of wind-blowndeposits. This sandstone was likely formed duri...

DNA Enzyme Works In Crystal Form; Yields New Insights Into Gene Copying

...ls into the polymerase crystal and obtainsnapshots revealing precisely how the carcinogenic compounds bind themselves tothe polymerase, perturbing its relationship with the DNA and causing errors. "Our first glimpses of the binding of carcinogens with polymerase showvery dramatic changes in the polymer...

Biologist Experiments With His Own Front Yard

...ding to riddles of nature which he deftlyanalyzes, revealing biological systems of stunning intricacy. Alcock shows the natural romance ofscientific inquiry, as his lay readers find themselves suddenly thinking like scientists, caught up in thepossibilities for exploration waiting right outside the front door....

Rapid Progress Reported On New Class Of Anti-Cancer Drugs

...earch, who describedmouse and cell culture studies revealing the efficacy of a series of FTaseinhibitors based ...esylmolecules -- with the two kinds of experiments revealing that the FTase reactionis a "carbo-cation nucleophile mixed mechanism." Fierke and postdoct...

Homocysteine: A Possible Risk Factor For Alzheimer's Disease

...cur in the brain as part of the ageing process. In revealing thedifferences between normal brain ageing and diseases like Alzheimer's disease,OPTIMA aims to lay the foundations for the development of new forms ofprevention and treatment. The project's work was examined in two hour-long documentaries, `Assault ...

Biochemists Gain Crystal-Clear Insight into 'Ancient' Enzyme

...ty Medical Center have reported analytical studies revealing unexpectednew insights into how two very different molecules - a protein and an RNA- work together to form an enzyme that performs one of the fundamental tasksof constructing the protein-making machinery of the cell. Their findings suggest that the ...

Relatives Of People with Colorectal Polyps Face Increased Risk For Colorectal Cancer

... strikingly likethose of the National Polyp Study, revealing a relative risk of 1.74 for therelatives of adenoma patients. This means a slightly less than doubling of riskcompared with the general population. Put a more meaningful way, the generalpopulation risk of developing colorectal cancer over a lifetime ...

Master Molecule Forms Brains In Frogs And Elbows In Mice

...oughout the animal kingdom. The latest of these is revealing the important role Noggin plays in patterning the mammalian skeleton. The potential health benefits Harland is referring to are the likely applications of his research to better understanding not just the classic "joint diseases," such as arthritis,...

Drunken Fruit Flies Reveal Molecular Pathway Regulating Sensitivity To Alcohol

...nd thenexposing the animals to alcohol as a way of revealing the role the missing geneswould normally play. When they knocked out a gene known as amnesiac, the fliesbecame more sensitive, or more inebriated, than their brethren.More importantly, however, when the researchers examined how the amnesiac genenor...

Pharmacologists Discover Linkage Of Key Cell Switches

...ached to it, the researchers performed experiments revealing that theisolation of one enzyme carried the other along with it, as if they were linked.The scientists' tests also revealed that PP2A bound the CaMKIV in a one-to-oneratio. Their studies also showed that the binding of the two enzymes togethe...

New Satellite Tags Track Movements Of Atlantic Bluefin Tuna

...ulated data viasatellite to scientists in the lab, revealing where the fish moved and whatocean temperatures they favored. Giant bluefin tuna, which can fetch as much as $80,000 apiece in the Tokyoseafood market, currently are managed as two separate Atlantic stocks withlimited mixing between the western and ...

USGS Contributions Enhance Public Health Research, Scientists Showcase Technologies At San Diego Meeting

...that demonstrates the utility of a GIS approach to revealing trends and relations among varied ecosystems. * Airborne Pesticides Along the Mississippi River and Their Relation to GIS Mapping of Agricultural Pesticide Use and Cropping Patterns - Wednesday, August 19, 4:30-5:00 p.m. USGS scientists will presen...

Discovery Of Possible New Weight Control Role For Leptin Announced By Yale University School Of Medicine Researchers

...ceuticals to treatobesity. In addition to revealing new mechanisms of weight control, the discoveryalso could help scientists understand more about defective wound healing andalterations of the blood vessels in diabetic patients. "Whether leptinangiogenesis plays a role in tumor formation and female ...

Nature's Sugar High

...le's shape. This moves the investigation closer to revealing the biological function of these complex molecules According to their report, the space crystals reinforce the conclusion of other reports based on different macromolecules that a microgravity environment provides distinct advantages. In the best ...

Stroke Risk Increased In Patients With High Oxygen Use In Brain

...ne whether patients were in hemodynamic failure by revealing the amountof blood that reached the brain and the percentage of oxygen that the brainused. "Under normal circumstances, the amount of blood that gets to the brainand the amount of oxygen the brain extracts from the blood are pretty wellmatch...

Mechanism Of Protein Folding Unraveled, With Eventual Implications For Treating Diseases Caused By Folding Errors

...Pennsylvania Medical Center has recentlyadded some revealing clues as to how this conversion is managed and correctssome misconceptions about how rapidly folding occurs. This active area ofresearch has taken on even more importance with the growing knowledge thaterrors in protein folding can lead to such deadl...

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