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).

Researchers hunt for a hi-tech vaccine against Helicobacter pylori

Almost half of the world population is infected with bacteria Helicobacter pylori which colonizes stomach, causing gastritis and ulcers and is recognized by WHO as a type I carcinogen.

10 Dec 2008

Axial Biotech launches DNA-based test for adolescent idiopathic scoliosis

Axial Biotech, Inc. has announced the commercial launch of a new DNA-based test that indicates the likelihood of progression to a severe curve for children diagnosed with Adolescent Idiopathic Scoliosis (AIS).

10 Dec 2008

Researchers study virus with unusual properties

A team of researchers from Penn State University and the University of Chicago has uncovered clues that may explain how and why a particular virus, called N4, injects an unusual substance -- an RNA polymerase protein -- into an E. coli bacterial cell.

8 Dec 2008

Alternative splicing proteins prompt heart development

Just as the emotions it represents are dynamic, the heart's development requires dynamic shifts in proteins that prompt alternative spicing, a mechanism that allows a given gene to program the cell to make several proteins, said a group of researchers at Baylor College of Medicine in a report that appears online in the journal Proceedings of the National Academy of Sciences.

8 Dec 2008

Osmium as a cancer treatment

A precious metal which has never before been used in a clinical setting is being developed as an anti-cancer agent by University of Warwick researchers.

8 Dec 2008

Discovery of six novel genetic variants associated with lipid levels

A new study presages a real aim of genetics: to look at whole populations to in order determine the significance of individual genetic variants for individual health.

8 Dec 2008

Discovery of 11 new gene sites that influence cholesterol or triglyceride levels

An international research team has identified 11 novel locations in the human genome where common variations appear to influence cholesterol or triglyceride levels, bringing the total number of lipid-associated genes to 30.

8 Dec 2008

Researchers identify key step in maturation pathway of telomerase

The Stowers Institute's Baumann Lab has discovered an important step in the maturation pathway of telomerase, the enzyme that replenishes the sequences that are lost at chromosome ends with every cell division.

8 Dec 2008

Effects of stem cell source and patient age on stem cell transplantation outcomes

Two studies examining the effects of stem cell source and patient age on stem cell transplantation outcomes were explored at a press conference on Sunday, December 7 during the 50th Annual Meeting of the American Society of Hematology in San Francisco, CA.

8 Dec 2008

Allos Therapeutics announces results from phase 2 trial of Pralatrexate in peripheral T-cell lymphoma

Allos Therapeutics, Inc. has announced preliminary top line results from PROPEL, the Company's pivotal Phase 2 trial of pralatrexate (PDX) in patients with relapsed or refractory peripheral T-cell lymphoma (PTCL), at the 50th Annual Meeting of the American Society of Hematology (abstract 261).

8 Dec 2008

Study finds six genetic variants associated with 'bad' cholesterol

A new study presages a real aim of genetics: to look at whole populations to in order determine the significance of individual genetic variants for individual health. The research team, whose work is published in Nature Genetics, find six novel genetic variants that are associated with lipid levels, a common indicator of heart or artery disease.

7 Dec 2008

Breakthrough in understanding the phenomenon of nucleolar dominance

Since the machinery involved in nucleolar dominance is some of the same machinery that can go haywire in diseases such as cancer, Pikaard and his collaborators' research may have important implications for applied medical research.

5 Dec 2008

Discovery of groundbreaking technique for body to accept gene therapy

Researchers at Columbia University Medical Center and the State University of New York at Stony Brook (SUNY) have developed a groundbreaking technique to sneak therapeutic genes past the body's defenses, possibly clearing one of the largest hurdles to realizing the potentials of medically altering a patient's DNA.

5 Dec 2008

Model unravels rules that govern how genes are switched on and off

For years, scientists have struggled to decipher the genetic instruction book that details where and when the 20,000 genes in a human cell will be turned on or off.

5 Dec 2008

Chromatin packaging helps decipher how cancer develops

To decipher how cancer develops, Johns Hopkins Kimmel Cancer Center investigators say researchers must take a closer look at the packaging.

5 Dec 2008

Dormant stem cells for emergencies

Many specialized cells, such as in the skin, intestinal mucosa or blood, have a lifespan of only a few days.

5 Dec 2008

A new approach improves prioritization of disease-associated SNPs

The more often a gene is differentially expressed, the more likely it is to contain disease-associated DNA variants.

5 Dec 2008

Genetic breakdown in Fanconi anemia may have link to HPV-associated cancer

A genetic malfunction that causes DNA instability in people with the blood disorder Fanconi anemia may put them at high risk for squamous cell carcinomas linked to human papillomavirus (HPV), according to a study posted online ahead of print by Oncogene.

3 Dec 2008

New insights into cellular senescence

Scientists have identified a molecular cause behind the ravages of old age and in doing so have also shown how a natural process for fighting cancer in younger persons can actually promote cancer in older individuals.

3 Dec 2008