News tagged with biological function
Artificial reddener: New synthetic route for EPO and other glycoprotein analogues
Oct 19, 2009 |
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(PhysOrg.com) -- Erythropoetin, abbreviated EPO, has gained a scandalous reputation as a doping agent for racing cyclists. The name is derived from the ancient Greek erythros "red" and poiein “to make”, a fitting designation ...
Systems biology recommended as a clinical approach to cancer
Jul 09, 2009 |
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Four researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech and their colleagues at the Wake Forest University School of Medicine are advocating the use of systems biology as an innovative clinical approach ...
Genetically engineered mice yield clues to 'knocking out' cancer
Jul 01, 2009 |
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Deleting two genes in mice responsible for repairing DNA strands damaged by oxidation leads to several types of tumors, providing additional evidence that such stress contributes to the development of cancer. ...
Carb synthesis sheds light on promising tuberculosis drug target
Jun 22, 2009 |
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A fundamental question about how sugar units are strung together into long carbohydrate chains has also pinpointed a promising way to target new medicines against tuberculosis.
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Research sheds light on workings of anti-cancer drug
Chemistry / Analytical Chemistry
13 hours ago |
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(PhysOrg.com) -- The copper sequestering drug tetrathiomolybdate (TM) has been shown in studies to be effective in the treatment of Wilson disease, a disease caused by an overload of copper, and certain metastatic cancers. ...
Researchers discover biological basis of 'bacterial immune system'
Nov 25, 2009 |
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Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.
Study sheds light on brain's fear processing center
Nov 25, 2009 |
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Breathing carbon dioxide can trigger panic attacks, but the biological reason for this effect has not been understood. A new study by University of Iowa researchers shows that carbon dioxide increases brain acidity, which ...
Feeding the clock: Cycles of feeding and fasting drive circadian gene expression in the liver
Nov 25, 2009 |
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When you eat may be just as vital to your health as what you eat, found researchers at the Salk Institute for Biological Studies. Their experiments in mice revealed that the daily waxing and waning of thousands ...
Researchers identify proteins in lung cancer cells that may provide potential drug targets
Nov 25, 2009 |
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Researchers from Boston University School of Medicine (BUSM) and the Boston University Biomedical Engineering Department have identified a number of proteins whose activation allows them to distinguish between cancer and ...
Dehydration Affects Mood, Not Just Motor Skills
Nov 24, 2009 |
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(PhysOrg.com) -- Dehydration has long been known to compromise physical performance. Now, a new study provides insight into the effects of mild dehydration on young athletes, and possibly into the lives of ...
LSU gets to the bottom of things -- in Antarctica
Space & Earth / Earth Sciences
Nov 24, 2009 |
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Antarctica has long held secrets of the earth's history locked in its icy depths, and until recently, there has been very little information on the environments that have been sealed beneath miles of ice for millions of years. ...
A sticky solution for identifying effective probiotics
Nov 24, 2009 |
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Scientists have crystallised a protein that may help gut bacteria bind to the gastrointestinal tract. The protein could be used by probiotic producers to identify strains that are likely to be of real benefit to people.
Multiple health concerns surface as winter, vitamin D deficiences arrive
Nov 23, 2009 |
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A string of recent discoveries about the multiple health benefits of vitamin D has renewed interest in this multi-purpose nutrient, increased awareness of the huge numbers of people who are deficient in it, spurred research ...
Three of a kind: Revealing language’s universal essence
Other Sciences / Social Sciences
Nov 20, 2009 |
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(PhysOrg.com) -- On the surface, English, Japanese, and Kinande, a member of the Bantu family of languages spoken in the Democratic Republic of Congo, have little in common. It is not just that the vocabularies ...
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