DNA News and Research

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DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).

Should stocks of smallpox virus be destroyed?

Smallpox was eradicated in 1980, but the virus still exists in WHO controlled depositories. In this week's BMJ , two experts go head to head over whether these stocks should be destroyed.

15 Apr 2007

People with two copies of a particular gene have a 70% higher risk of being obese

Scientists have identified the most clear genetic link yet to obesity in the general population as part of a major study of diseases funded by the Wellcome Trust, the UK's largest medical research charity.

15 Apr 2007

Macaque genome analysis will improve scientists' ability to identify human genes involved in diseases

Cornell experts in computational biology and bioinformatics have made key contributions to the analysis of the genome of the rhesus macaque, better known as the rhesus monkey.

15 Apr 2007

Understanding of primate evolution advanced

The completed DNA sequence of the rhesus macaque ,an Old World monkey, has advanced understanding of primate evolution and will enhance medical research in neuroscience, behavioral biology, reproductive physiology, endocrinology, heart and blood vessel disease and immunodeficiency, said scientists at the Baylor College of Medicine (BCM) Human Genome Sequencing Center who led the effort.

15 Apr 2007

First successful attempt to determine the structure of RfaH transcription factor

The results of a new study suggest that bacteria that cause diseases like bubonic plague and serious gastric illness can turn the genes that make them infectious on or off.

15 Apr 2007

Dysfunctional DNA repair pathways

Individuals who inherit two mutant copies of any one of about 12 genes that make the proteins of the Fanconi Anemia (FA) pathway develop FA, which is characterized by increased incidence of cancer and bone marrow failure, among other things.

15 Apr 2007

Gelatin-based nanoparticles deliver therapeutic genes to human breast cancer

Northeastern University professor Mansoor Amiji and graduate student Sushma Kommareddy have published a new paper that examines the potential of engineered gelatin-based nanoparticles to deliver therapeutic genes to human breast cancer tumors implanted in mice.

14 Apr 2007

Scientists gain insights into liver regeneration

The way the liver renews itself may be simpler than what scientists had been assuming.

12 Apr 2007

Analysis of Rhesus monkey genome provides new clues to primate biology

An international consortium of researchers has published the genome sequence of the rhesus macaque monkey and aligned it with the chimpanzee and human genomes.

12 Apr 2007

Study suggests reason for high incidence of cancer in the prostate

Cancer occurs more frequently in the prostates of men than in any organ other than the skin. While DNA damage caused by exposure to the sun is likely the cause of many skin cancers, the cause of prostate cancer remains largely unknown.

12 Apr 2007

Study identifies clearest link yet to obesity risk

12 Apr 2007

Genetic mutation that prevents sperm production found

Up to 15 percent of couples of childbearing age struggle with the heartache of infertility.

11 Apr 2007

Experimental flu vaccine produced using insect cells shows promise

An influenza vaccine produced with the use of insect cells appeared safe and produced an immunogenic response in healthy adults, suggesting promise as an alternative to using embryonated eggs for the development of influenza vaccine, according to a preliminary study in the April 11 issue of JAMA.

11 Apr 2007

Combination Lyme disease vaccine proteins patented

Scientists at the U.S. Department of Energy's Brookhaven National Laboratory and collaborators at Stony Brook University have received U.S. Patent Number 7,179,448 for developing chimeric, or "combination," proteins that may advance the development of vaccines and diagnostic tests for Lyme disease.

9 Apr 2007