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UVA researchers explain cell response to skin-damaging UV rays
It's well known that overexposure to ultraviolet rays from the sun can cause major skin problems, ranging from skin cancer to sunburns and premature wrinkles. A tan, for example, is nature's own UV protection and an unhealthy sign that your skin is damaged. view more (2007-10-02)
Normal chromosome ends elicit a limited DNA damage response
Researchers at the Salk Institute for Biological Studies discovered that cells co-opted the machinery that usually repairs broken strands of DNA to protect the integrity of chromosomes. view more (2005-11-28)
Proofreading and error-correction in nanomaterials inspired by nature
Mimicking nature, a procedure developed by researchers at the University of Illinois at Urbana-Champaign can find and correct defects in self-assembled nanomaterials. view more (2005-10-19)
Garlic Helps Protect Our DNA
Mutagens damage DNA. Consequently, antimutagens have to repair these damages. As the effects on DNA differ, the ways of reparation also vary. However, the mechanism of the activity of some antimutagens has not been found yet. A team headed by Professor G.D. Zasukhina at N.I. Vavilov Institute of General Genetics (http://www.vigg.ru/vigg-en.htm),... view more... (2002-06-07)
Body's anti-HIV drug explained
Humans have a built-in weapon against HIV, but until recently no one knew how to unlock its potential. view more (2008-10-13)
Large reservoir of mitochondrial DNA mutations identified in humans
Researchers at the University of Newcastle, England, and the Virginia Bioinformatics Institute at Virginia Tech in the United States have revealed a large reservoir of mitochondrial DNA mutations present in the general population. view more (2008-08-12)
Brown Researchers Create Novel Technique to Sequence Human Genome
Since the human genome was sequenced six years ago, the cost of producing a high-quality genome sequence has dropped precipitously. view more (2009-04-16)
Enzyme crystal structure reveals 'unexpected' genome repair functions
The research looked at XPB helicase from an archaea, a single cell organism similar to bacteria. Helicases are enzymes that unwind or separate the strands of the nucleic acid double helix, an action that is critical to transcription and nucleotide excision repair (NER), as well as other cell processes. view more (2006-04-07)
DNA-wrapped carbon nanotubes serve as sensors in living cells
Single-walled carbon nanotubes wrapped with DNA can be placed inside living cells and detect trace amounts of harmful contaminants using near infrared light. view more (2006-01-27)
Aerosol toxins from red tides may cause long-term health threat
NOAA scientists reported in the current issue of the journal Environmental Health Perspectives that an algal toxin commonly inhaled in sea spray, attacks and damages DNA in the lungs of laboratory rats. view more (2008-07-10)
Researchers ID gene linked to lung cancer
Researchers at Johns Hopkins, as part of a large, multi-institutional study, have found one gene variant that is linked to an increased risk of lung cancer. The study will be published in the April 3 issue of Nature Genetics. view more (2008-04-03)
Genetically engineered mice yield clues to 'knocking out' cancer
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. view more (2009-07-02)
CSH Protocols publishes cutting-edge methods for analyzing complex molecular interactions
With the genomes of hundreds of organisms now catalogued, one of the next major challenges is to identify proteins and their interactions. view more (2006-10-05)
Novel DNA microarray chip predicts functional impairment and remission in rheumatoid arthritis
A new DNA microarray chip can predict severe disability and remission in patients with rheumatoid arthritis (RA), as presented today at EULAR 2008, the Annual Congress of the European League Against Rheumatism in Paris, France. The chip (called the 'ARTchip') has yielded two clinical-genetic models of RA outcomes, to assist physicians in... view more... (2008-06-16)
Daily sex helps to reduce sperm DNA damage and improve fertility
Daily sex (or ejaculating daily) for seven days improves men's sperm quality by reducing the amount of DNA damage. view more (2009-06-30)
New information about DNA repair mechanism could lead to better cancer drugs
Researchers at Washington University School of Medicine in St. Louis have shed new light on a process that fixes breaks in the genetic material of the body's cells. view more (2009-07-17)
New findings shed light to the mechanisms of Parkinson's disease
The findings of Finnish scientists with their multinational collaborators shed light to the mechanisms of Parkinson's disease and early menopause. view more (2004-09-07)
Researchers identify cancer preventive properties in common vitamin supplement
Early laboratory research has shown that resveratrol, a common dietary supplement, suppresses the abnormal cell formation that leads to most types of breast cancer, suggesting a potential role for the agent in breast cancer prevention. view more (2008-07-07)
Our genome changes over lifetime, Johns Hopkins experts say
Researchers at Johns Hopkins have found that epigenetic marks on DNA-chemical marks other than the DNA sequence-do indeed change over a person's lifetime, and that the degree of change is similar among family members. view more (2008-06-25)
Desert plant may hold key to surviving food shortage
The plant, Kalanchoe fedtschenkoi, is unique because, unlike normal plants, it captures most of its carbon dioxide at night when the air is cooler and more humid, making it 10 times more water-efficient than major crops such as wheat. Scientists will use the latest next-generation DNA sequencing to analyse the plant's genetic code and understand... view more... (2008-06-20)
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