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).

Men have a biological clock too and produce poor quality sperm as they age

Researchers in the U.S. say that even though men are able to father children well into old age, the quality of the sperm declines as men age.

6 Jun 2006

West Nile virus DNA vaccine shows promise in phase 1 trial

Vical Incorporated has announced that in a Phase 1 clinical trial, a West Nile virus (WNV) vaccine candidate administered using Vical's proprietary DNA delivery technology was safe and well tolerated

5 Jun 2006

Genes variations raise risk of heart disease after treatment for childhood cancer

Gene variations may raise the risk that survivors of childhood cancer will suffer congestive heart failure as a complication of drugs they received during cancer treatment.

5 Jun 2006

Humans are a cocktail of bacteria and human cells

Gene experts after studying the DNA of hundreds of different kinds of bacteria in the human gut have reached the conclusion that the human race may not be quite as human as we may think.

4 Jun 2006

Pituitary adenoma predisposition caused by germline mutations in the AIP gene

A recent Finnish study identifies a low-penetrance gene defect which predisposes carriers to intracranial tumors called pituitary adenomas. In particular individuals carrying the gene defect are susceptible to such tumors which secrete growth hormone.

1 Jun 2006

Technique called real-time polymerase chain reaction speeds up detecting, treating wound bacteria

Using DNA detection methods though a technique called real-time polymerase chain reaction, the physician-researcher from the West Los Angeles Veterans Administration Medical Center can drastically cut the time it takes for lab personnel to figure out just what bacteria they're dealing with.

1 Jun 2006

Nepalese Rhesus monkeys may provide new alternative for HIV/AIDS research

Rhesus monkeys in Nepal may provide a suitable alternative to alleviate a critical shortage of laboratory animals used in work to develop vaccines against diseases such as HIV/AIDS.

1 Jun 2006

Molecular pathway may contribute to age related diseases

A common molecular denominator in aging and many age-related diseases is oxidative stress.

1 Jun 2006

Scientists gain better understanding of Proteus mirabilis

Scientists now have inside information to use in the fight against Proteus mirabilis - a nasty bacterium that can cause kidney stones, as well as hard-to-treat urinary tract infections.

1 Jun 2006

Exposure to environmental estrogens during development of the prostate gland in the male fetus may lead to later prostate cancer risk

A study in the June 1 issue of Cancer Research presents the first evidence that exposure to low doses of environmental estrogens during development of the prostate gland in the male fetus may result in a predisposition to prostate cancer later in life.

1 Jun 2006

New diagnostic approaches for early identification of patients at high risk of rapid loss of kidney function

Doctor Harry Holthvfer, M.D., Ph.D, at the University of Helsinki, Finland, coordinates a new EU-funded project, which aims to develop new diagnostic approaches for early identification of patients at high risk of rapid loss of kidney function.

31 May 2006

Promising new vaccine delivery approach

The field of vaccine development is getting a boost from new research that has identified a promising vaccine delivery approach, which in animal studies produced long-term immune protection after just one immunization.

31 May 2006

How sexy we feel depends on our genes

According to researchers at the Hebrew University of Jerusalem, how sexy we feel depends on our genes.

31 May 2006

Arsenic inhibits DNA repair

Dartmouth researchers, working with scientists at the University of Arizona and at the Department of Natural Resources in Sonora, Mexico, have published a study on the impact of arsenic exposure on DNA damage.

30 May 2006

Genetic variations impact sexual desire

New evidence that individual differences in human sexual desire can be attributed to genetic variations has been revealed by a research group headed by a professor of psychology at the Hebrew University of Jerusalem.

29 May 2006

Link between autism and MMR vaccine again

The possible link between the MMR inoculation and autism will be raised yet again this week in a presentation that claims to provide proof.

29 May 2006

Heavy marijuana use not linked to lung cancer

Despite popular belief, a new study shows that people who smoke marijuana do not appear to be at increased risk of developing lung cancer.

24 May 2006

Trandolapril and verapamil reduce risk of developing diabetes in Hispanic patients

The combination of drugs traditionally used to control blood pressure might not be ideal for Hispanic patients, University of Florida researchers warn.

23 May 2006

Cysteine containing tablets and chewing gum potential new way to prevent upper digestive tract cancers

Researchers at the University of Helsinki, Finland, suggest that cysteine containing tablets and chewing gum can be a new way for the prevention of upper digestive tract cancers.

23 May 2006

New antibiotic works against superbugs

A new antibiotic with the ability to fight drug-resistant superbugs has been developed by researchers at drug company Merck's research laboratories in New Jersey.

21 May 2006