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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).

Traces of blood are eliminated completely when washed with detergents containing active oxygen

A team of scientists from the University of Valencia (UV) has proven that traces of blood in various materials are eliminated completely when they are washed with detergents containing active oxygen.

18 Feb 2009

Handheld device provides on-the-spot DNA analysis to test tolerance to prescription drugs

A handheld device to predict whether patients will respond adversely to medication is one step closer to the market, thanks to a new partnership.

18 Feb 2009

Enzyme activates stress response and hypertrophy of the heart

An enzyme makes the mouse heart prone to chronic cardiac insufficiency – if it is suppressed, the heart remains strong despite increased stress.

18 Feb 2009

Newly discovered mutation can hold the key to treat a large number of different cancers

Scientists have discovered a mutation responsible for cancer progression, a finding with potential implications for the development of treatment against not one, but a series of cancer types since this mutation can be linked to an abnormality recently discovered to exist in all malignancies.

18 Feb 2009

VAP cholesterol test helps find link between a rare gene mutation and heart protection

Using the VAP Cholesterol Test from Atherotech, Inc., University of Maryland researchers have found an association between a rare gene mutation and heart protection.

17 Feb 2009

Discovery of new mode of how diseases evolve

Researchers of the Michael G. DeGroote Institute for Infectious Disease Research have discovered a new way that bacteria evolve into something that can make you sick.

17 Feb 2009

Radioimmunotherapy shows promise for HIV infection and viral cancers

Scientists at Albert Einstein College of Medicine of Yeshiva University have piggybacked antibodies onto radioactive payloads to deliver doses of radiation that selectively target and destroy microbial and HIV-infected cells.

16 Feb 2009

Researcher presents evolutionary history of modern humans in Africa

Sarah A. Tishkoff, PhD, David and Lyn Silfen University Associate Professor, will present "Evolutionary History of Modern Humans in Africa," at the 2009 American Association for the Advancement of Science (AAAS) annual meeting in Chicago, as a part of the Sunday, February 15th session, "Studying Vertebrate Genomes: Reading Evolution's Notebooks."

16 Feb 2009

Jumping genes play significant role in gene regulatory networks

Research performed in the Center for Biomolecular Science & Engineering (CBSE) at the University of California, Santa Cruz, suggests that mobile repetitive elements--also known as transposons or "jumping genes"--do indeed affect the evolution of gene regulatory networks.

16 Feb 2009

New insights into human genetic makeup

Genetic diseases and genetically mixed populations can help researchers understand human diversity and human origins according to a Penn State physical anthropologist.

16 Feb 2009

Platinum-based anti-tumor compounds

Researchers in the Department of Chemistry at Wake Forest University in collaboration with colleagues at the Wake Forest University Health Sciences Comprehensive Cancer Center have developed a new class of platinum-based anti-tumor drugs that animal studies have shown to be 10 times more effective than current treatments in destroying certain types of lung cancer cells.

15 Feb 2009

New test for mysterious metabolic diseases

Scientists at Stanford University School of Medicine have devised a much-needed way to monitor and find treatments for a mysterious and devastating group of metabolic diseases that arise from mutations in cells' fuel-burning mechanism.

15 Feb 2009

New method to stimulate immune system may be effective at reducing amyloid burden in Alzheimer?s

Researchers at NYU Langone Medical Center have discovered a novel way to stimulate the innate immune system of mice with Alzheimer's disease (AD) - leading to reduced amyloid deposits and the prevention of Alzheimer's disease related pathology - without causing toxic side effects.

15 Feb 2009

Molecular machine turns packaged messenger RNA into a linear transcript

For RNA, the gateway to a productive life outside the nucleus is the nuclear pore complex, an amalgamation of 30 kinds of proteins that regulates all traffic passing through the nuclear membrane.

11 Feb 2009

From the works of Shakespeare to the genomes of viruses

What does uncovering the true authorship of plays attributed to Shakespeare have to do with identifying our genetic ancestors or classifying new life forms?

11 Feb 2009

Researchers give mutants another chance

Researchers at Fox Chase Cancer Center have demonstrated that it might be possible to treat genetic diseases, including some forms of cancer, by "rescuing" the misshapen, useless proteins produced by some mutant genes.

11 Feb 2009

Volcanoes in the genome, blowing out pieces of DNA

Roughly 10 million years ago, a major genetic change occurred in a common ancestor of gorillas, chimpanzees, and humans.

11 Feb 2009

ViroPharma reports results of trial for Maribavir in bone marrow transplant patients

ViroPharma Incorporated has announced that its Phase 3 trial evaluating maribavir used as prophylaxis in allogeneic stem cell, or bone marrow, transplant (SCT) patients did not achieve its primary endpoint.

10 Feb 2009

Long-sought protein structure may help reveal how ‘gene switch’ works

The bacterium behind one of mankind's deadliest scourges, tuberculosis, is helping researchers at the Commerce Department's National Institute of Standards and Technology (NIST) and the Department of Energy's Brookhaven National Laboratory (BNL) move closer to answering the decades-old question of what controls the switching on and off of genes that carry out all of life's functions.

10 Feb 2009

Camouflaging of viral DNA could be crucial step in progression of cancers

An estimated 15% of cancer cases can be linked to a viral infection, however the biological changes that cause some asymptomatic carriers of a virus to develop full-blown tumors are not well understood.

9 Feb 2009