News tagged with cell processes
Findings show insulin -- not genes -- linked to obesity
Apr 14, 2009 |
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Researchers have uncovered new evidence suggesting factors other than genes could cause obesity, finding that genetically identical cells store widely differing amounts of fat depending on subtle variations ...
How chromosomes meet in the dark -- Switch that turns on X chromosome matchmaking
Biology /
Dec 27, 2008 |
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A research group lead by scientists at the University of Warwick has discovered the trigger that pulls together X chromosomes in female cells at a crucial stage of embryo development. Their discovery could also provide new ...
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Parasite evades death by promoting host cell survival
Dec 08, 2009 |
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Researchers have discovered how the parasite Trypanosoma cruzi, which causes Chagas' disease, prolongs its survival in infected cells. A protein on the parasite activates the enzyme Akt, which blocks cell ...
Cholera bacteria show adaptability to changing environments
Dec 08, 2009 |
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(PhysOrg.com) -- The deadly bacterium behind cholera epidemics spends only a fraction of its life infecting humans. Most of the time, Vibrio cholerae lurks in estuaries and other semisalty aquatic habitats.
Vitamin D levels associated with survival in lymphoma patients
Dec 05, 2009 |
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A new study has found that the amount of vitamin D in patients being treated for diffuse large B-cell lymphoma was strongly associated with cancer progression and overall survival. The results will be presented at the annual ...
Grooving down the helix: Researchers show how proteins slide along DNA to carry out vital biological processes
Dec 03, 2009 |
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(PhysOrg.com) -- A team of scientists has made a major step in understanding how molecules locate the genetic information in DNA that is necessary to carry out important biological processes.
Discovery makes brain tumor cells more responsive to radiation
Dec 02, 2009 |
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Duke University Medical Center researchers have figured out how stem cells in the malignant brain cancer glioma may be better able to resist radiation therapy. And using a drug to block a particular signaling pathway in these ...
Latest epidemic? High cholesterol, obesity in fruit flies
Dec 02, 2009 |
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How do fruit flies get high cholesterol and become obese? The same way as people do - by eating a diet that's too rich in fats.
Message for women and dogs: keeping ovaries is linked to longevity
Dec 01, 2009 |
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(PhysOrg.com) -- This year, hundreds of thousands of women and pet dogs will undergo a hysterectomy and have their ovaries removed along with their uterus. Now, two independent research studies looking at longevity may challenge ...
New source discovered for the generation of nerve cells in the brain
Medicine & Health / Neuroscience
Dec 01, 2009 |
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The research group of Professor Magdalena Gotz of Helmholtz Zentrum Munchen and Ludwig-Maximilians-Universitat Munich (Germany) has made a significant advance in understanding regeneration processes in the brain. The researchers ...
Grant to help zoo visitors learn more about science with their cell phones
Nov 30, 2009 |
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Zoo visitors may soon use their cell phones to "Call the Wild" as part of a project led by University of Florida researchers to help the public learn more about the nature of science.
It takes two to infect: Structural biologists shed light on mechanism of invasion protein
Nov 30, 2009 |
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Bacteria are quite creative when infecting the human organism. They invade cells, migrate through the body, avoid an immune response and misuse processes of the host cell for their own purposes. To this end every bacterium ...
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