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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).

How cancer cells stay young and aggressive

Some of the cancer cells' closest allies have been unveiled. Fortunately, the researchers from BRIC (Biotech Research & Innovation Centre) at University of Copenhagen have also discovered how to beat them.

7 Jun 2006

Black women have fewer breast cancers than white women, but their mortality is worse

For decades, researchers have tried to understand why breast cancer in younger black women is such a significant public health problem.

7 Jun 2006

First analysis of the genes of a community of human microbes

Researchers have completed the first analysis of the genes of a community of human microbes, an accomplishment that has far-reaching implications for clinical diagnosis and treatment of many human diseases.

7 Jun 2006

Scientists describe elaborate system of gene control triggered by chemical damage to DNA

Scientists describe for the first time a web of inter-related responses that cells use to avoid becoming diseased or cancerous after being exposed to a powerful mutagen.

7 Jun 2006

Centrosomes may contain ribonucleic acid

Despite more than a century of study, scientists know relatively little about the inner workings of centrosomes - organelles essential to cell division in humans and animals.

7 Jun 2006

New human genotype may be prone to vCJD

A small study in the British Medical Journal suggests a new human genotype may be prone to variant Creutzfeldt-Jakob disease (vCJD).

6 Jun 2006

Study results may aid battle against insect-borne diseases

Scientists studying the widespread symbiotic bacteria Wolbachia have long been interested in its ability to proliferate.

6 Jun 2006

Better understanding of DNA damage

Researchers have known for years that damaged DNA can lead to human diseases such as cancer, but how damage occurs - and what causes it - has remained less clear.

6 Jun 2006

Researchers discover the presence of the genetic material RNA in the centrosome

Researchers have discovered the presence of the genetic material RNA in the centrosome, the organizing structure inside each cell that assures proper cell division.

6 Jun 2006

Potential new treatment for diabetic nerve damage

A potentially ground-breaking treatment for nerve damage caused by diabetes has shown promising results in preclinical and early patient trials.

From The University of Manchester 6 Jun 2006

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