DNA Damage News and Research

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Structural alterations in breast stromal and epithelial DNA

Researchers have uncovered a pattern of DNA damage in connective tissues in the human breast that could shed light on the early stages of breast cancer.

3 Aug 2006

Variation in the CHEK2 gene may triple a woman's risk of developing breast cancer

Study shows that women in the general population who carry a specific CHEK2 mutation are three times as likely as women without the mutation to develop breast cancer.

2 Aug 2006

Mice more complicated than humans when it comes to telomeres

In terms of their telomeres, mice are more complicated than humans. That's the finding from a recent Rockefeller University study.

2 Aug 2006

New insights into how cells repair damaged DNA

Cancer researchers have discovered that a recently identified protein critical for repairing damaged genes uses an unusual mechanism to keep its repairs accurate.

26 Jul 2006

New role discovered for breast cancer susceptibility gene BRCA1

A recently discovered facet of the breast cancer susceptibility gene BRCA1 reveals a mechanism linking mutation of BRCA1 to formation of large blood vessels needed to support cancer progression.

18 Jul 2006

Functionalized carbon nanotubes are non-cytotoxic and preserve the functionality of primary immune cells

Various types of carbon-based nanomaterials, such as buckyballs and nanotubes, have shown promise as drug delivery tools and imaging agents, but reports of toxicity associated with some of these materials have raised questions about their ultimate utility in clinical oncology.

10 Jul 2006

Study links high levels of nitric oxide to infertility and sperm DNA damage

Iranian scientists have linked a chemical that plays an essential role in many bodily functions to sperm DNA damage and male infertility, the 22nd annual conference of the European Society of Human Reproduction heard.

19 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

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

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

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

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

Scientists discover molecular security mechanism for keeping gene mutations in check

Everyone knows mutations - genetic mistakes in DNA, the material of heredity - are bad: The more mutations in the cell's DNA, the higher the risk of cancer developing.

8 May 2006

Environmentally damaged DNA may contribute to human genetic diversity

In this month's issue of the leading scientific journal Genome Research, scientists from Kyushu University report how environmentally damaged DNA may contribute to human genetic diversity.

2 May 2006

Excessive adiposity, calorie restriction, and aging

Can eating a low-calorie yet nutritionally balanced diet extend human life? Preliminary research suggests it might, so researchers at Washington University School of Medicine in St. Louis are launching a long-term study to find out.

16 Apr 2006

New model of p53 regulation has important implications for the development of anticancer drugs

Genetically engineered mice convinced scientists at the Salk Institute for Biological Studies that it was time to overhaul widely held beliefs about how a powerful tumor suppressor called p53 is controlled in cells. Their new model of p53 regulation has important implications for the development of anticancer drugs.

11 Apr 2006

Eat less, live longer!

According to researchers reducing calories may very well mean you have a longer life.

5 Apr 2006

Study demonstrates the importance of familial factors in the general development of cancer

Studying thousands of people, researchers at The University of Texas M. D. Anderson Cancer Center have documented a 25 percent increased risk of developing one of a number of cancers in first-degree relatives of lung cancer patients who have never smoked compared to families of people who neither smoke nor have lung cancer.

4 Apr 2006

Omega-3 fatty acids inhibit the growth of liver cancer cells

Two new studies by a University of Pittsburgh research team suggest that omega-3 fatty acids - substances that are found in high concentrations in fish oils and certain seeds and nuts - significantly inhibit the growth of liver cancer cells.

3 Apr 2006

Increase in Vitamin E tied to fewer in utero deaths

Manipulating the in utero environment may alter the onset of cancers that appear later in the lives of mammals, according to a new University of Toronto study published in the journal Carcinogenesis.

23 Mar 2006