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UT Southwestern researchers identify new targets for RNAs that regulate genes
Tiny strands of genetic material called RNA - a chemical cousin of DNA - are emerging as major players in gene regulation, the process inside cells that drives all biology and that scientists seek to control in order to fight disease.   view more (2008-07-07)

Couples with fertility problems where the man is over 35 have increased difficulty in conceiving
Pregnancy rates decrease and miscarriages increase when a father is over 35 years of age, a scientist will tell the 24th annual conference of the European Society of Human Reproduction and Embryology.   view more (2008-07-07)

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)

Penn animal study identifies new DNA weapon against avian flu
Researchers at the University of Pennsylvania School of Medicine have identified a potential new way to vaccinate against avian flu.   view more (2008-07-02)

Sunburn alert: UVB does more damage to DNA than UVA
As bombs burst in air this July 4, chances are that sunburn will be the red glare that most folks see - and feel. But unfortunately, even when there is no burn, the effects of the sun's ultraviolet (UV) rays can have deadly consequences.   view more (2008-07-01)

New Electrostatic-based DNA Microarray Technique Could Revolutionize Medical Diagnostics
The dream of personalized medicine - in which diagnostics, risk predictions and treatment decisions are based on a patient's genetic profile - may be on the verge of being expanded beyond the wealthiest of nations with state-of-the-art clinics.   view more (2008-07-01)

Zinc finger proteins put personalized HIV therapy within reach
Researchers at the University of Pennsylvania School of Medicine and collaborators are using minute, naturally occurring proteins called zinc fingers to engineer T cells to one day treat AIDS in humans.   view more (2008-07-01)

Genome communication
In the late 19th century Gregor Mendel used peas to show that one copy of a gene (allele) is inherited from the mother and one from the father.   view more (2008-06-30)

Estimation of isolation times in the Drosophila simulans complex
The Drosophila simulans species complex continues to serve as an important model system for the study of new species formation. The complex is comprised of the cosmopolitan species, D. simulans, and two island endemics, D. mauritiana and D. sechellia.   view more (2008-06-26)

Faulty DNA repair could be a risk factor for lung cancer in nonsmokers
People who have never smoked but whose cells cannot efficiently repair environmental insults to DNA are at higher risk of developing lung cancer than those with effective genomic repair capability.   view more (2008-06-26)

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)

Viruses hitch a ride in the cell
Viruses can travel around cells they infect by hitching a ride on a microscopic transport system, according to new research. Cells are exposed to foreign DNA and RNA and it is understood that some of this genetic material can be integrated into the host genome. Using modern microscopic techniques,... view more (2008-06-24)

Refusal of suicide order: Why tumor cells become resistant
Cells with irreparable DNA damage normally induce programmed cell death, or apoptosis. However, this mechanism often fails in tumor cells so that transformed cells are able to multiply and spread throughout the body.   view more (2008-06-24)

UC researchers find new ways to regulate genes, reduce heart damage
Researchers at the University of Cincinnati (UC) are looking for ways to reduce or prevent heart damage by starting where the problem often begins: in the genes.   view more (2008-06-23)

New paradigm for cell-specific gene delivery
Researchers from Northwestern University and Texas A & M University have discovered a new way to limit gene transfer and expression to specific tissues in animals.   view more (2008-06-23)

DNA study unlocks mystery to diverse traits in dogs
What makes a pointer point, a sheep dog herd, and a retriever retrieve? Why do Yorkshire terriers live longer than Great Danes? And how can a tiny Chihuahua possibly be related to a Great Dane?   view more (2008-06-23)

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... view more (2008-06-20)

Scientists fix bugs in our understanding of evolution
What makes a human different from a chimp? Researchers from the European Molecular Biology Laboratory's European Bioinformatics Institute [EMBL-EBI] have come one important step closer to answering such evolutionary questions correctly.   view more (2008-06-20)

Researchers find an evolutionarily preserved signature in the primate brain
Researchers have determined that there are hundreds of biological differences between the sexes when it comes to gene expression in the cerebral cortex of humans and other primates.   view more (2008-06-20)

Evalve MitraClip: Clinical trial of nonsurgical repair for severe mitral valve regurgitation
The Cedars-Sinai Heart Institute is the lead enroller in the world for the Everest II Clinical Trial - a study comparing non-surgical repair for severe mitral valve regurgitation with conventional surgery.   view more (2008-06-19)

Penn researchers find key developmental pathway activates lung stem cells
Researchers from the University of Pennsylvania School of Medicine found that the activation of a molecular pathway important in stem cell and developmental biology leads to an increase in lung stem cells. Harnessing this knowledge could help develop therapies for lung-tissue repair after injury or... view more (2008-06-18)

EuroDYNA takes lid off the genome
European researchers have made significant progress unravelling how genes are governed and why this sometimes goes wrong in disease.   view more (2008-06-16)

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... view more (2008-06-16)

Scientists confirm that parts of earliest genetic material may have come from the stars
Scientists have confirmed for the first time that an important component of early genetic material which has been found in meteorite fragments is extraterrestrial in origin, in a paper published on 15 June 2008.   view more (2008-06-16)

Joint distraction promotes structural repair in patients with severe knee osteoarthritis
oint distraction (the use of a surgical frame around a degenerated joint to strengthen and promote repair) promotes cartilage repair in severe end stage osteoarthritis (OA) of the knee, as demonstrated for the first time by data presented today at EULAR 2008, the Annual Congress of the European... view more (2008-06-16)
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