News tagged with damage dna
Three is the magic number: A chain reaction required to prevent tumor formation
Protein p53 is known for controlling the life and death of a cell and has a key role in cancer research. P53 is known to be inactive in 50 percent of cancer patients. If researchers succeed in re-establishing the presence ...
Jan 20, 2012 |
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'Pulverized' chromosomes linked to cancer?
They are the Robinson Crusoes of the intracellular world -- lone chromosomes, whole and hardy, stranded outside the nucleus where their fellow chromosomes reside. Such castaways, each confined to its own "micronucleus," ...
Jan 19, 2012 |
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Solving the mystery of an old diabetes drug that may reduce cancer risk
In 2005, news first broke that researchers in Scotland found unexpectedly low rates of cancer among diabetics taking metformin, a drug commonly prescribed to patients with Type II diabetes. Many follow-up studies reported ...
Jan 18, 2012 |
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Chemotherapy may influence leukemia relapse: research
The chemotherapy drugs required to push a common form of adult leukemia into remission may contribute to DNA damage that can lead to a relapse of the disease in some patients, findings of a new study suggest.
Jan 11, 2012 |
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Fish oil may hold key to leukemia cure
A compound produced from fish oil that appears to target leukemia stem cells could lead to a cure for the disease, according to Penn State researchers. The compound -- delta-12-protaglandin J3, or D12-PGJ3 ...
Dec 22, 2011 |
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New take on impacts of low dose radiation
Researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab), through a combination of time-lapse live imaging and mathematical modeling of a special line of ...
Dec 20, 2011 |
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Scientists show how BRCA1 cancer gene mutations harm breast cells
(Medical Xpress) -- Working with human breast cells, researchers at the Johns Hopkins Kimmel Cancer Center have shown how the inactivation of a single copy of the breast cancer gene BRCA1 leaves breast cells vulnerable to ...
Dec 14, 2011 |
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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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Human skin begins tanning in seconds, and here's how
We all know that human skin tans after days spent in the sun. That relatively slow process has known links to ultraviolet (and specifically UVB) exposure, which leads to tanning only after it damages the DNA of skin cells. ...
Nov 03, 2011 |
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Cellular repair could reduce premature aging
Researchers have identified a potential drug therapy for a premature ageing disease that affects children causing them to age up to eight times as fast as the usual rate.
Nov 02, 2011 |
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Findings suggest how cancer cells can become resistant to DNA damage-inducing treatments
An international team of scientists led by UC Davis researchers has discovered that DNA repair in cancer cells is not a one-way street as previously believed. Their findings show instead that recombination, an important DNA ...
Oct 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 |
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