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New drug target for the treatment of Parkinson's disease

Researchers at the MassGeneral Institute for Neurodegenerative Disease (MGH-MIND) have identified a potential new drug target for the treatment of Parkinson's disease and possibly for other degenerative neurological disorders.

23 Jun 2007

Invertebrate immune systems are anything but simple

A hundred years since Russian microbiologist Elie Metschnikow first discovered the invertebrate immune system, scientists are only just beginning to understand its complexity.

23 Jun 2007

Scientists identify gene responsible for one type of Charcot-Marie-Tooth disorder

Scientists have identified the gene responsible for one type of Charcot-Marie-Tooth disorder, a common inherited neurological disease, thanks to the chance appearance of a strain of impaired 'pale tremor' mice in a University of Michigan research laboratory.

23 Jun 2007

DNA repair proteins monitored at double-strand break

St. Jude investigators recently had a molecule's eye view of the human cell's DNA repair kit as it assembled on a double-strand break to link together the broken ends.

23 Jun 2007

Novel cellular mechanism that may guide cell movement and possibly cancer cell invasion

Scientists have long thought that microtubules, part of the microscopic scaffolding that the cell uses to move things around in order to hold its shape and divide, originated from a tiny structure near the nucleus, called the centrosome.

23 Jun 2007

Entecavir can compromise HIV treatment

Treating hepatitis B patients with the drug entecavir can cause those who are also infected with HIV to become resistant to two of the most important drugs in the anti-HIV arsenal, according to a new report in the New England Journal of Medicine.

23 Jun 2007

New way to increase stem cells in blood

Researchers at Children's Hospital Boston report finding a new way to increase stem cells in blood, suggesting a possible treatment to help patients who undergo chemotherapy or bone marrow transplant for leukemia and other cancers recover their immune function more quickly.

23 Jun 2007

Multifunctional nanoparticle platforms for targeting and imaging cancer cells

There has been much recent interest in how nanotechnology will impact the field of medicine. Unfortunately, a number of promising nanostructured systems have turned out to be extremely toxic to humans, thus precluding their use in clinical applications and dashing hopes of an early success for the interdisciplinary field of nanobiotechnology.

21 Jun 2007

New molecular mechanism discovered that may 'spontaneously' cause liver cancer

Adding more good news to last week's announcement that Nexavar (sorafenib) may be the first effective treatment for advanced liver cancer, researchers at the Lombardi Comprehensive Cancer Center at Georgetown University have uncovered a new molecular mechanism that may 'spontaneously' cause liver cancer.

20 Jun 2007

New uderstanding of how enzymes work

In a publication selected as a "2007 Hot Article" by the journal Biochemistry , University at Buffalo chemists report the discovery of a central mechanism responsible for the action of the powerful biological catalysts known as enzymes.

20 Jun 2007

Faster, less expensive technique for mutating large, non-gene stretches of DNA

Genes account for only 2.5 percent of DNA in the human genetic blueprint, yet diseases can result not only from mutant genes, but from mutations of other DNA that controls genes.

19 Jun 2007

Common DNA variations underlie susceptibility to fever after smallpox vaccination

Their finding is the first to link individual differences written into the genetic code with a vaccine-related complication, albeit a mild one.

19 Jun 2007

Alzheimer's-associated enzyme beta-secretase can disrupt neural activity in the brain

An enzyme involved in the formation of the amyloid-beta protein associated with Alzheimer's disease can also alter the mechanism by which signals are transmitted between brain cells, the disruption of which can cause seizures.

19 Jun 2007

Wurst protein plays a decisive role in breathing

A newly discovered transmembrane protein called "Wurst" (sausage) appears to play a decisive role in breathing ? possibly in all animals, from flies to human beings.

18 Jun 2007

Antitumor vaccine

How can we induce the body to use its own weapon, the immune system, to battle cancer" In principle, by the same means used against infectious diseases: immunization.

18 Jun 2007

New area of stroke drug discovery for the 22nd century

A new therapy to re-activate silenced genes in patients who suffer from neurodegenerative diseases or stroke is being developed by researchers at the University of Illinois at Chicago and Cornell University.

17 Jun 2007

Impaired anti-inflammatory response plays role in pathology of type 2 diabetes

Type 2 diabetes is classified as a metabolic disorder, but a growing number of researchers are beginning to think of it also as a disease of the innate immune system. Inflammation, a key component of the early immune response, is chronically elevated in people with type 2 diabetes.

17 Jun 2007

25,000 genes that have clocks!

A chemical signal acts as time clock in the expression of genes controlled by a master gene called a coactivator, said Baylor College of Medicine researchers in a report that appears in the journal Cell today.

17 Jun 2007

Biomoda files patent protection for lung cancer detection technology

Biomoda, Inc. has disclosed that it is again expanding its intellectual property portfolio with an additional unique patent pending to enhance the stability and greatly increase the shelf-life of its assay.

17 Jun 2007

Stress and Alzheimer's disease

Subjecting mice to repeated emotional stress, the kind we experience in everyday life, may contribute to the accumulation of neurofibrillary tangles, one of the hallmarks of Alzheimer's disease, report researchers at the Salk Institute for Biological Studies.

17 Jun 2007