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Egg donation for stem cell research - balancing the risks and benefits

In the wake of the scandal involving fraudulent cloning research, concerns about the welfare of women donating eggs for research purposes have arisen.

19 Jun 2006

Grandma was right after all, eating lots of veggies is good for you

It seems grandma was right after all and eating lots of veggies is good for you.

19 Jun 2006

AIDS might be an accident of evolution

The virulence characteristic of HIV-1 - the virus predominantly responsible for human AIDS - might amount to an accident of evolution, new evidence reveals.

18 Jun 2006

New hope for Huntington disease cure

Researchers provide ground-breaking evidence for a cure for Huntington disease in a mouse offering hope that this disease can be relieved in humans.

18 Jun 2006

Scientists cracking virus protection shield

Scientists reveal the structure of a protein that packages the viral genome and helps viruses to replicate while avoiding human immune reactions

18 Jun 2006

Better understanding of olfactory system

Duke University Medical Center researchers have discovered how the brain creates a scent symphony from signals sent by the nose.

18 Jun 2006

Altered activity in receptor pair points to further complexity in schizophrenia pathology

Researchers at the University of Pennsylvania School of Medicine, in collaboration with scientists at the City University of New York, have identified a striking dysregulation in neuronal receptor activity in the postmortem brain tissue from patients with schizophrenia.

18 Jun 2006

Central nervous system can sometimes send out signals that invite hostile immune system attacks

It may sound like a case of blame the victim, but researchers at Washington University School of Medicine in St. Louis have shown that cells in the central nervous system can sometimes send out signals that invite hostile immune system attacks.

18 Jun 2006

New roles for growth factors

During embryonic development, nerve cells hesitantly extend tentacle-like protrusions called axons that sniff their way through a labyrinth of attractive and repulsive chemical cues that guide them to their target.

18 Jun 2006

Sonic hedgehog may help overcome problems associated with FGF2 and VEGF therapy

The newest concept for treating coronary artery disease is to induce hearts to grow their own new blood vessels to bypass damaged tissue or clogged arteries.

18 Jun 2006

From DNA to RNA to protein

Of the thousands of proteins produced in our cells, few are as important as the enzyme RNA polymerase (RNAP), which has the unique ability to faithfully copy genetic information from DNA.

18 Jun 2006

Bioinformatics used to advance human disease research

The use of computers to advance human disease research - known as bioinformatics -- has received a major boost from researchers at the La Jolla Institute for Allergy & Immunology (LIAI).

18 Jun 2006

Transcription factors act not only in isolation to regulate distinct sets of genes

Scientists eager to help develop a new generation of pharmaceuticals are studying cellular proteins called transcription factors, which bind to upstream sequences of genes to turn the expression of those genes on or off.

18 Jun 2006

Researchers identify new keys to regulation of bacterial gene expression

The cellular process of transcription, in which the enzyme RNA polymerase constructs chains of RNA from information contained in DNA, depends upon previously underappreciated sections of both the DNA promoter region and RNA polymerase

18 Jun 2006

Researchers identify mechanism that regulates how many new cells are produced by each intestinal stem cell

Researchers at Karolinska Institutet have identified an important mechanism that regulates how many new cells are produced by each intestinal stem cell.

18 Jun 2006

Vegetables may reduce hardening of arteries

New research suggests one reason vegetables may be so good for us - a study in mice found that a mixture of five common vegetables reduced hardening of the arteries by 38 percent compared to animals eating a non-vegetable diet.

18 Jun 2006

Discovery of gene behind iron accumulation in brain has implications for Parkinson's, Alzheimer's

Oregon Health & Science University researchers have identified the gene behind a group of rare, progressive childhood disorders caused by an abnormal buildup of iron in the brain.

18 Jun 2006

Most head lice are resistant to a common treatment

According to new research the British school nurse has her work cut out because it appears that most head lice are resistant to a common treatment used to eradicate them.

18 Jun 2006

Burkitt lymphoma gene expression signature identified

An international research study involving the University of Nebraska Medical Center, the National Cancer Institute and 10 other institutions has successfully identified the gene expression signature for Burkitt lymphoma.

14 Jun 2006