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Brain training may enhance specific ability, but no scientific proof exists for overall mental fitness

Many brain training products claim to be able to keep us mentally fit. Some products even claim that brain training can prevent dementia in old age. But there is no scientific proof that games or other brain exercises can have this effect.

24 Dec 2009

Bacterial DNA reveals a rise in antibiotic resistant genes

Antibiotic resistance in the natural environment is rising despite tighter controls over our use of antibiotics in medicine and agriculture, Newcastle University scientists have found.

24 Dec 2009

Study: Protein channel aids nerve sensors in controlling blood pressure

University of Iowa researchers have shown that a protein channel helps nerve sensors in blood vessels keep blood pressure in check. Without the protein channel, known as ASIC2, the sensors are unable to send the brain the signals it needs to properly control blood pressure.

24 Dec 2009

New energy receptor theory of brain function

Dr. Mitchell Earl Gibson, best-selling author, board-certified physician, and CEO of Tybro Publications, has proposed a new energy receptor theory of brain function that might explain the efficacy of mantras and prayer in human illness.

24 Dec 2009

Discovery enables scientists to devise novel strategies to diagnose and treat brain cancer

A team of Columbia scientists have discovered two genes that, when simultaneously activated, are responsible for the most aggressive forms of human brain cancer.

23 Dec 2009

Motility mechanism of malaria pathogens explained

How do one-celled parasites move from the salivary gland of a mosquito through a person's skin into red blood cells? What molecular mechanisms form the basis for this very important movement of the protozoa?

23 Dec 2009

Gene's role in immune system may suggest new treatments for childhood asthma

Pediatric researchers have identified a novel gene involved in childhood asthma, in one of the largest gene studies to date of the common respiratory disease. Because the gene, called DENND1B, affects cells and signaling molecules thought to be instrumental in the immune system overreaction that occurs in asthma, the discovery may have singled out an important target for new treatments.

23 Dec 2009

Scientists use DNA sequence to characterize genome rearrangement in breast cancer samples

The first detailed search of breast cancer genomes to uncover genomic rearrangements is published today. The team characterised the ways in which the human genome is broken and put back together in 24 cases of breast cancer.

23 Dec 2009

Findings may lead to new methods for diagnosing osteoporosis

Using a technique that provides detailed images of nanoscale structures, researchers at the University of Michigan and Detroit's Henry Ford Hospital have discovered changes in the collagen component of bone that directly relate to bone health.

23 Dec 2009

Cordyceps mushroom extract for cancer treatment

A promising cancer drug, first discovered in a mushroom commonly used in Chinese medicine, could be made more effective thanks to researchers who have discovered how the drug works. The research is funded by the Biotechnology and Biological Sciences Research Council and was carried out at The University of Nottingham.

23 Dec 2009

Comprehensive review of cell migration

Cell migration is a highly complex process which involves several compartments of the cell, including surface receptors, signalling elements and the cytoskeleton.

23 Dec 2009

Nationwide Children's Hospital chosen as a BCR for TCGA

Nationwide Children's Hospital recently was awarded an initial $5.5 million contract from the National Cancer Institute (NCI) to serve as a Biospecimen Core Resource (BCR) for The Cancer Genome Atlas (TCGA), a program co-managed by the NCI and the National Human Genome Research Institute (NHGRI), both part of the National Institutes of Health (NIH).

23 Dec 2009

Novel discovery offers hope for patients with common brain tumor

Biomedical researchers at the University of Central Florida have found a protein that could hold the key to treating one of the most common and aggressive brain tumors in adults.

23 Dec 2009

Autism study and gene therapy in vision are top scientific achievements in 2009

A landmark autism study and a dramatic success for gene therapy in reversing inherited blindness, both at The Children's Hospital of Philadelphia, were recognized among the top scientific achievements in 2009, according to three national publications: Time magazine, Discover magazine and the journal Science.

23 Dec 2009

Discovery of inhibitory hormone may yield new treatments for cancer and other diseases

Nearly 10 years after the discovery that birds make a hormone that suppresses reproduction, University of California, Berkeley, neuroscientists have established that humans make it too, opening the door to development of a new class of contraceptive and possible treatments for cancer or other diseases.

23 Dec 2009

Reduced calories increase human cell lifespan

Going back for a second dessert after your holiday meal might not be the best strategy for living a long, cancer-free life say researchers from the University of Alabama at Birmingham. That's because they've shown exactly how restricted calorie diets-specifically in the form of restricted glucose-help human cells live longer. This discovery, published online in The FASEB Journal (http://www.fasebj.org) could help lead to drugs and treatments that slow human aging and prevent cancer.

23 Dec 2009

Study on cyanobacteria helps understand anesthetic actions

Experiments in one of the oldest forms of life on Earth are helping to answer basic questions about how general anesthesia works, according to a study in the January issue of Anesthesia & Analgesia, official journal of the International Anesthesia Research Society (IARS).

23 Dec 2009

New research shows accurate taste perception relies on properly functioning olfactory system

As anyone suffering through a head cold knows, food tastes wrong when the nose is clogged, an experience that leads many to conclude that the sense of taste operates normally only when the olfactory system is also in good working order.

23 Dec 2009

Microbial Pathogenomics: A collection of reviews and future trends in bacterial pathogenomics

'Microbial Pathogenomics' contains a unique collection of reviews demonstrating how genomics has revolutionized our understanding of virulence, host-adaptation strategies and the evolution of bacterial pathogens. Current technologies - computational tools and functional approaches to genome analysis - are carefully documented and clearly illustrated.

23 Dec 2009

Enzyme dCK plays a profound role in normal lymphocyte development

Mice without the deoxycytidine kinase (dCK) enzyme have defects in their adaptive immune system, producing very low levels of both T and B lymphocytes, the major players involved in immune response, according to a study by researchers with UCLA's Jonsson Comprehensive Cancer Center.

23 Dec 2009