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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).

Genetics for personalized coronary heart disease treatment

Identifying a single, common variation in a person's genetic information improves prediction of his or her risk of a heart attack or other heart disease events and thus, choice of the best treatment accordingly, said researchers at Baylor College of Medicine in Houston.

11 Nov 2008

Does HBV infection induce acute cellular DNA damage?

Eukaryotic cells employ multiple strategies of checkpoint signaling and DNA repair mechanisms to monitor and repair damaged DNA.

11 Nov 2008

Obesity raises levels of hormone leptin

Obese people who don't have high cholesterol or diabetes might think they're healthy - despite the extra pounds.

11 Nov 2008

Astragalus root plant chemical used to fight HIV

Like other kinds of cells, immune cells lose the ability to divide as they age because a part of their chromosomes known as a telomere becomes progressively shorter with cell division.

11 Nov 2008

Epstein-Barr virus linked to inflammatory diseases of the mouth

Researchers at Oregon Health & Science University's School of Dentistry have found that a significant percentage of dental patients with the inflammatory diseases irreversible pulpitis and apical periodontitis also have the Epstein-Barr virus.

11 Nov 2008

First comprehensive genetic blueprint of a forming mammalian organ

Part of an international consortium sponsored by the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), a research team led by Cincinnati Children's Hospital Medical Center reports the creation of a detailed genome-based atlas for understanding healthy and abnormal kidney development and disease.

11 Nov 2008

Gene therapy for advanced heart failure shows promising results

Phase I results of the first clinical trial of gene therapy for patients with advanced heart failure show the approach to be promising, with improvements in several measures of the condition's severity.

10 Nov 2008

Santaris Pharma releases positive data on LNA-based survivin inhibitor

Santaris Pharma announced today that SPC3042, a RNA-based antisense oligonucleotide developed using the company's proprietary Locked Nucleic Acid (LNA) technology, potently blocks survivin, a key survival protein in cancer cells, in both in vitro and in vivo models of prostate cancer. Importantly, SPC3042 works synergistically with the anticancer drug paclitaxel (Taxol) in both model systems.

10 Nov 2008

NEI releases complete data from age-related eye disease study

The National Eye Institute (NEI), part of the National Institutes of Health (NIH), announces the release of more than 10 years of data collected during the Age-Related Eye Disease Study (AREDS), which looked at the progression of age-related macular degeneration and age-related cataract in 4,757 adults aged 55 to 80.

10 Nov 2008

Grape seeds could ward off Alzheimer's

Australian scientists are suggesting that grape seeds may be a potential treatment in warding off Alzheimer's disease.

10 Nov 2008

T-cell-based strategy for HIV-1 vaccines still viable option

The question of whether or not to continue to pursue the development of T-cell-based HIV-1 vaccines has been a source of controversy following last year's widely publicized failure of the field's most promising candidate, a vaccine developed by Merck known as V520.

10 Nov 2008

Advances in ophthalmology

The 2008 Joint Meeting of the American Academy of Ophthalmology (Academy) and European Society of Ophthalmology (SOE), the largest and most comprehensive ophthalmic educational meeting in the world, is in session November 8 to 11 at the Georgia World Congress Center, Atlanta.

10 Nov 2008