Tag: "proof" at biology news
Cedars-Sinai Medical Center Physicians And Scientists Present Findings At Annual Meeting Of The Pediatric Academic Societies
...nt in fighting infection), theresearchers provided proof
that endotoxin uses a Toll-receptor signaling pathwaywithin human cells to induce NF-kappa B (a protein that turns on genes that makecytokines and trigger inflammatory responses). They also were able to show thepresence of Toll-like receptors (TLR2 a...
Keep Off The Grass And Take Off Your Shoes!
...vels in the Ohio houses is the firstactual in-home proof
that 2,4-D can be tracked into residences up to a weekafter application to lawns. The scientists had previously predicted thetrack-in based on simulation studies. Rooms with carpeted floors, when compared to bare floor areas, generallyhad hi...
Osiris Therapeutics Reports Key Findings in SCIENCE Verifying Existence of Adult Stem Cells
..., "The studies reported in Science provide further proof
that our efforts to commercialize products based on adult stem cells remain on target. Furthermore, there is a clear difference between adult stem cells and either embryonic stem cells or stem cells derived from fetal tissue -- our stem cells are rea...
Penn Researchers Develop Gene Therapy Technique That Reverses Muscle Membrane Weakness In Muscular Dystrophy Variant
...rdiomyopathy (heart failure). "We'vedemonstrated proof
of concept that the methodology can work for both skeletaland cardiac muscle," says principal author Hansell Stedman, MD, assistantprofessor of surgery at Penn's Institute for Human Gene Therapy, "so the nextstep will be to establish its safety and e...
Studies At Cedars-Sinai Confirm Identity Of An Elusive 'Receptor' In Human Cells -- A Breakthrough In Understanding, Fighting Septic Shock
...the activation of NF-kappa Bin cells. There was no proof
that the signaling does go through similar pathwaysused by the toll receptors. That's what we have found," Dr. Arditi said. The study used human endothelial cells, cells that line the blood vessels, andhuman monocytes, blood cells that are important ...
Powerful Anti-AIDS Agent Found In Tears And In Urine Of Pregnant Women
... from rejection by the mother's body. However proof
of hCG's effects wasn't straightforward. Although crudepreparations of hCG inhibited the growth of Kaposi's sarcoma cells andHIV-infected cells in the laboratory, Dr. Lee-Huang and many other scientistsshowed that highly purified extracts of hCG fail...
Amphibian Revival: Build It And They Will Come
...edatory amphibianintroductions. And, it is living proof
that the adage from the popular movie "Field of Dreams"is true: "Build it, and they will come." Under Sexton's direction, six small ponds were constructed from 1965 to 1979 inthe 2,000-acre oak-hickory forest that dominates Tyson landscape. Only one ...
Researchers Prove Chemoprevention Can Work
...nfirmed with human subjects. The study establishes proof
of principle thatchemo-preventive agents can work ...liver cancer in China, but ouroltipraz study gives proof
of principle. We have proved that we can alter theunderlying mechanisms that protect cells from beco...
A Real Smart Asp: Snakes Show Surprising Ability To Learn
.... Simply stumbling into a hole isn't the only proof
that thesnakes are learning something, though. "Speed to find that goalis one of the measures which shows they're learning," Holtzmansays. "On average, they take over 700 seconds to find the correcthole on the first day of training, and then go down ...
Colorado State University Study Reveals Climate Change, Longer Growing Seasons Could Harm Grazing On Western Shortgrass Steppe
...ion,"Detling said. There isn't conclusive proof
that temperature changes and a longergrowing season are causing blue grama to diminish, so the Colorado State teamhas designed further experiments to test their hypothesis. One unfinished,on-site project involves using automatic garage-door openers t...
From Germany To The Wild West: Geologists Hunt For Evidence Of Ancient Crinoid
...It has no known flotation devices,so the burden of proof
is on someone who says they did float." Alternately, some have argued that Uintacrinus stayed afloat by treading waterwith its long, spaghetti-like arms. Meyer can't accept that explanation. "Intruth, the crinoid animal doesn't have the energy reso...
Chinese And US Scientists Identify The World's Oldest Flowering Plant
... preserved in the fossil. The seeds provided solid proof
that this was, indeed, a flowering plant. "If we hadn't gotten a seed out of this thing, we couldn't say what we're saying," Dilcher said. Because only part of the plant was fossilized much of its appearance remains a mystery. "We don't know if it ...
Treatment With IL-2 Plus HAART Markedly Reduces HIV In Immune System "Hiding Places"
...ntly infected resting CD4+ T-cell pool. "The final proof
of the feasibility of effectively controllingreplication-competent HIV in latently infected cells will bediscontinuation of HAART and long-term follow-up," Dr. Fauci notes. NIAID is a component of the National Institutes of Health (NIH). NIAIDconduc...
Scientists Find First Protein In Central Nervous System Junctions
...ntral nervous system. To obtain definitive proof
of function, Feng and Tintrup inactivated thegephy...s you asclose as you can get to a truly definitive proof
of what a protein is doing." Betz also had determined that gephyrin's amino acid content was...
Test For Genetic Trait May Indicate Heart Benefits Of Hormone Replacement
... women than pattern A women, but do not have solid proof
of theirtheories. "We think pattern A women don't have the inherited disorder causingthe 'bad metabolic stew' and B women do. However, estrogen suppresses the genesthat cause pattern B women to have the high risk for coronary artery disease. These ...
AAAS Annual Meeting And Science Innovation Exposition
...eed to present such a letter, unless they can show proof
of membership in NASW, CSWA, ISWA, or SEJ). Spouses and other guests of journalists cannot register as press and must pay the regular registration fee. Journalism professors and journalism students - Journalism students and their professors are welc...
Jurassic Beetle: CSIRO Entomologist Discovers Living Fossil
...nd much of its time underground. But it is living proof
that Australia still harbours an enormous wealth of ancient animals and plants which remain unknown and undiscovered. "After the discovery of the Wollemi pine, near Sydney, I'd expect to find anything anywhere," he says. In fact, Dr Lawrence...
University At Buffalo Team Discovers How The Cell Nucleus Orchestrates Genetic Processes
... designated times. The research provides the best proof
to date of how highly organized nuclearstructures are, and how dramatically that organization affects the copying andwriting of genetic information in an organism. The results are particularly provocative, the researchers said, with work on thehuman...
New Class Of Protease Inhibitors May Be Effective In Treating One Of Latin
America's Most Devastating Diseases
... reported in the United States. The studyprovides proof
that this new class of protease inhibitors can be ... perhaps equallyimportant is that we have provided proof
of the concept that cysteine proteaseinhibitors can stop a parasite from replicating without harming...
Study 'Gone With The Wind' Provides Stellar Ecological Example
...t to amuch smaller degree. The group found proof
of several ecological principles. One is that therecovery rate of different organisms increases strongly with their ability todisperse. For instance, spiders, which produce a silk string to which theycling and get blown into areas courtesy of wind ...
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