Tag: "that" at biology news
Brain Protein "Rescues" Neurons From Atrophy
...als, reported in the Nov. 9 issue of Nature, shows that
the proteins, called neurotrophins, can foster brain cell growth, and that
they might offer treatment for diseases involving gain or loss of brain cell connections. These diso...
Bacterial Toxin Surprises Scientists
...rtain toxins, but on diseases like cystic fibrosis that
result from defects in natural membrane ch...Because it is relevant to all the proteins that
end up inserted in the cell's membrane [such as hormone receptors] as well as to any...
Duke Researchers Discover Central Role Of Nitric Oxide In Hemoglobin Action
...y many diseases are treated. "We now know that
nitric oxide is involved in the blood's major func...logicalsystems. For example, scientists discovered that
NO worked in the circulatorysystem to dilate blood vessels. "Free" NO is released by endothelialcell...
Dangerous Chemical Combination Presents Possible Scenario For Gulf War Illnesses
...using chickens, the researchers specifically found that
two pesticides,DEET and permethrin, and the anti-n...lityto neurotoxic chemicals more closely resembles that
of humans, the scientistssaid. The findings were prepared for presentation Wednesday at the annual ...
Gene-Altered Mouse May Provide New Insights To Parkinson's Disease, Substance Abuse And Schizophrenia
...ntsfor psychiatric disorders. "We were astonished that
a single genetic deletion would have sucha profoun... Bristol Myers Squibb. Caron said in an interview that
while it may seem a stretch for one geneticallyengineered mouse to help answer fundamental questions...
Enzyme's "Magic" May Hold Key to Anticancer and Antimicrobial Drugs
...everything getting tangled, we do not feel that
this objection will be insuperable." ... and Francis H.C. Crick correctly predicted that
double-stranded DNA must be locally untwisted to enable gene transcription and chrom...
New Cancer Switch Discovered By Duke Medical Center Pharmacologists
DURHAM, N.C. -- A new way that
cancers may be triggered in the body -- through damage to a molecular "safety key" that
normally holds cell growth in check -- has been reported by Duke University Medical Center pharmacol...
Key to Triplet Repeat Brain Diseases Open Door For New Way To Understand, Treat Genetic Diseases"
...es may produce disease. The scientists discovered that
these "triplet repeat" diseasegenes produce proteins that
errantly stick to an enzyme crucial to the productionof energy in brain cells. They believe that
Researchers Pinpoint Site For Petit Mal Seizures In Brain
... new clues about the precise location in the brain that
causes the common childhood form of epilepsy. The ...e." Previously, the Duke researchers had reported that
mice with petit mal seizures have an overabundance of a protein called a GABAb receptor in the brain...
Tumor Suppressor Gene Located In Liver Cancer Cells
...euticals of Chesire, United Kingdom. The discovery that
the gene -- mannose 6-phosphate/insulin-like growt...lysosomes, a part of the cellular digestive system that
breaks down proteins into simpler compounds. Because the receptor is involved both in switching on a...
New 'Twist' In Proteins Offers Possible Route To Improved Antibiotics
...ggests the possibility of a new kind of antibiotic that
couldrecognize the unusual structure, jam the enzy...tics has become an important health problemand one that
has defied solution, since bacteria can so readily adapt tothe current generation of antibiotics. ...
Second Breast Cancer Gene Located
...atedon the discovery. "This finding means that
we really are narrowing in on this dreadedcancer,"... at Duke. "Butit makes it more important than ever that
we learn how to counsel womenabout their options and how to develop clinics to provide support servi...
Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
DURHAM, N.C. --A new study suggests that
differing calcium-magnesium ratios in the shells o...ed the chemical analyses for the study, Dwyer said that
more oxygen 16 is indeed present in warmer seawater, whereas oxygen 18 is more abundant in colder se...
Dating A Caveman
...tant finds in human evolutionary history indicates that
the fossils date from at least 100,000 years earli... Zhoukoudian, not far from Beijing. In excavations that
began in 1921, archeologists and paleontologists have recovered the remains of at least 40 individua...
Computer Program For Quicker, More Detailed Mapping
...nter have developeda powerful new computer program that
can map thousands of genetic markersat once. Using...dress." Mapper produces high-quality genetic maps that
will dramatically advancethe efforts of the Human Genome Project, whose goal is to map and sequencet...
Duke Researchers Discover Candidate Susceptibility Gene For Autoimmune Disease
...ay provide a clue to the underlyinggenetic defects that
can lead some people's immune systems to attack th...o understand therole of a gene of unknown function that
seemed to be involved in the actionof insulin, a hormone involved in diabetes. Instead, they found t...
Rosemary May Have Anti-Cancer Properties
...tions," according toMilner. "We have found a spice that
offers protection against a classicmodel of breast...DNA in the rats' mammary cells. Scientists believe that
that bindingprocess is a necessary event in the formation of tumors. The Penn State researchers fe...
Heat-loving Microbe Repairs Its DNA With Light
...l for life and reproduction, it would seem logical that
the S. acidocaldarius cell should have particular... environments?" On one hand, it would seem logical that
S. acidocaldarius , likemany organisms, should use the energy of the abundant, visibleportion of th...
Children Become Gorillas In VR Zoo
...n the future, researchers hope to create a program that
can run onsmaller, less expensive computers, allow... we hope to work together to expand thisproject so that
the 'virtual zoo' will one day be a reality." To make the project an effective teaching tool, resea...
From Corn Rootworms To Art, Cornell's Reactor Is At The Core
...doctoral student in entomology, is looking at film that
shows a thin white line branching off in different... to zoologists can use it to get detailed pictures that
X-rays cannot produce. It is the first time neutron radiography has been used to study insects. "X-...
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