News tagged with damage dna
Study suggests why some animals live longer
(PhysOrg.com) -- Scientists at the University of Liverpool have developed a new method to detect proteins associated with longevity, which helps further our understanding into why some animals live longer ...
Mar 29, 2012 |
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Are silver nanoparticles harmful?
Silver nanoparticles cause more damage to testicular cells than titanium dioxide nanoparticles, according to a recent study by the Norwegian Institute of Public Health. However, the use of both types may affect testicular ...
Nanotechnology / Bio & Medicine
Mar 14, 2012 |
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Squeezing polymers produces chemical energy but raises doubts about implant safety
A polymer is a mesh of chains, which slowly break over time due to the pressure from ordinary wear and tear. When a polymer is squeezed, the pressure breaks chemical bonds and produces free radicals: ions with unpaired electrons, ...
Mar 02, 2012 |
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Researchers provide atomic view of a histone chaperone
Mayo Clinic researchers have gained insights into the function of a member of a family of specialized proteins called histone chaperones. Using nuclear magnetic resonance (NMR) spectroscopy and X-ray crystallography, they ...
Mar 01, 2012 |
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Mapping of protein inhibitors facilitates development of tailor-made anticancer agents
(PhysOrg.com) -- A team of researchers at Karolinska Institutet in Sweden has generated a map over the effects of small drug-like molecules on PARP1 and other similar proteins in the body. This map may explain the mechanism ...
Feb 20, 2012 |
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DNA damage across a cellular barrier depends on barrier thickness
(PhysOrg.com) -- The use of nanoparticles in medicine is ever increasing and it is important to understand the effects these particles might have on human tissues and health in general.
Nanotechnology / Bio & Medicine
Dec 13, 2011 |
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When inflexibility is counterproductive: Mechanism of UV-induced DNA Dewar lesion revealed
Excessive exposure to ultraviolet (UV) radiation of sunlight can result in skin damage and may even induce skin cancers. Irradiation with UV light causes mutations in the DNA, which can interfere with or even inhibit the ...
Nov 28, 2011 |
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Study identifies a key molecular switch for telomere extension by telomerase
Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...
Nov 23, 2011 |
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Kudzu-eating beetle: Good news or bad?
Kudzu, a green leafy vine native to China and Japan brought to the United States in the 19th century, has long been cursed by farmers and timber producers for the property and crop damage it can cause.
Sep 27, 2011 |
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Biochemists identify new genetic code repair tool
Clemson University researchers recently reported finding a new class of DNA repair-makers.
Sep 27, 2011 |
4.3 / 5 (3) |
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Genetic evidence clears Ben Franklin (w/ Video)
The DNA evidence is in, and Ben Franklin didn't do it. Genetic tests on more than 1,000 Chinese tallow trees from the United States and China show the famed U.S. statesman did not import the tallow trees ...
Jul 29, 2011 |
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Scientists identify protein that improves DNA repair under stress
Cells in the human body are constantly being exposed to stress from environmental chemicals or errors in routine cellular processes. While stress can cause damage, it can also provide the stimulus for undoing the damage. ...
Jun 16, 2011 |
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Researchers find link between DNA damage and immune response
Researchers offer the first evidence that DNA damage can lead to the regulation of inflammatory responses, the body's reaction to injury. The proteins involved in the regulation help protect the body from infection.
Mar 31, 2011 |
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Gene is linked to colon cancer when folate's low
(PhysOrg.com) -- Cornell researchers report that they have identified a gene that increases the risk for colon cancer in laboratory mice when their diets lack folate.
Mar 29, 2011 |
4 / 5 (1) |
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New research finds protein that protects cancer cells from chemo and radiation therapy
Research led by Daitoku Sakamuro, PhD, Assistant Professor of Pathology at LSU Health Sciences Center New Orleans and the LSUHSC Stanley S. Scott Cancer Center, has identified a protein that enables the activation of a DNA-repair ...
Mar 24, 2011 |
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