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New cell division mechanism discovered
A novel cell division mechanism has been discovered in a microorganism that thrives in hot acid. The finding may also result in insights into key processes in human cells, and in a better understanding of the main evolutionary lineages of life on Earth.   view more (2008-10-28)

Making flies sick reveals new role for growth factors in immunity
A Salmonella infection is not a positive experience. However, by infecting the common laboratory fruit fly Drosophila melanogaster with a Salmonella strain known for causing humans intestinal grief, researchers in the School of Life Sciences at Arizona State University have shed light on some key... view more (2008-10-27)

Mechanism in cells that generate malignant brain tumors may offer target for gene therapy
Researchers at Cedars-Sinai Medical Center's Maxine Dunitz Neurosurgical Institute who first isolated cancer stem cells in adult brain tumors in 2004 have now identified a molecular mechanism that is involved in the development of these cells from which malignant brain tumors may originate.   view more (2008-10-27)

MicroRNAs make for safer cancer treatments
Viruses -- long regarded solely as disease agents -- now are being used in therapies for cancer. Concerns over the safety of these so-called oncolytic viruses stem from their potential to damage healthy tissues.   view more (2008-10-27)

Are bone marrow mononuclear cells effective in reducing hepatic lesions?
Liver fibrosis occurs in the setting of chronic injury caused by different etiologies constituting a serious worldwide public health problem. In addition to schistosomiasis, hepatopathies due to alcohol, viral hepatitis, drugs, metabolic and autoimmune diseases, and congenital abnormalities are... view more (2008-10-24)

Mediator in communication between neurons and muscle cells found
A missing piece of the puzzle of how neurons and muscle cells establish lifelong communication has been found by researchers who suspect this piece may be mutated and/or attacked in muscular dystrophy.   view more (2008-10-23)

Streamlining brain signals for speed and efficacy
Life exists at the edge of chaos, where small changes can have striking and unanticipated effects, and major stimuli may go unheard.   view more (2008-10-23)

Magic solar milestone reached
UNSW's ARC Photovoltaic Centre of Excellence has again asserted its leadership in solar cell technology by reporting the first silicon solar cell to achieve the milestone of 25 per cent effiency.   view more (2008-10-23)

Study finds genomic changes in the brains of people who commit suicide
Are genes destiny? Alternatively, are we simply the products of our environment? There is a growing sense that neither of these two possibilities fully captures the essence of the risk for psychiatric disorders.   view more (2008-10-23)

What is the function of NOD2 in colonic epithelial cells?
NOD2 is a cytosolic pattern recognition receptor similar in structure and function to Toll like receptors (TLRs). It can recognize and respond to a component found in the cell wall of bacteria, muramyl dipeptide (MDP), and has been shown to play an important role in the innate immune response of... view more (2008-10-23)

Do cell phones increase brain cancer risk?
Major research initiatives are needed immediately to assess the possibility that using cellular phones may lead to an increased risk of brain tumors.   view more (2008-10-21)

Seemingly suicidal stunt is normal rite of passage for immune cells
Researchers have shown that self-induced breaks in the DNA of immune cells known as lymphocytes activate genes that cause the cells to travel from where they're made to where they help the body fight invaders.   view more (2008-10-21)

Stem cell research to benefit horse owners and trainers
In a potential breakthrough for the performance horse industry (such as racing and polo), Melbourne scientists are aiming to harness stem cells to repair tendon, ligament, cartilage and bone damage in horses.   view more (2008-10-21)

MIT: Computer model reveals cells' inner workings
After spending years developing a computational model to help illuminate cell signaling pathways, a team of MIT researchers decided to see what would happen if they "broke" the model.   view more (2008-10-17)

Embryonic heart exhibits impressive regenerative capacity
A new study demonstrates that the embryonic mouse heart has an astounding capacity to regenerate, a phenomenon previously observed only in non-mammalian species.   view more (2008-10-14)

Response to immune protein determines pathology of multiple sclerosis
New research may help reveal why different parts of the brain can come under attack in patients with multiple sclerosis (MS). According to a new study in mice with an MS-like disease, the brain's response to a protein produced by invading T cells dictates whether it's the spinal cord or cerebellum... view more (2008-10-14)

Forsyth scientists trigger cancer-like response from embryonic stem cells
Scientists from The Forsyth Institute, working with collaborators at Tufts and Tuebingen Universities, have discovered a new control over embryonic stem cells' behavior.   view more (2008-10-14)

On the trail of a targeted therapy for blood cancers
nvestigators from the Herman B Wells Center for Pediatric Research at the Indiana University School of Medicine are focusing on a family of blood proteins that they hope holds a key to decreasing the toxic effects of chemotherapy in children and adults.   view more (2008-10-13)

Yamanaka eliminates viral vector in stem cell reprogramming
Shinya Yamanaka MD, PhD, of Kyoto University and the Gladstone Institute of Cardiovascular Disease (GICD) has taken another step forward in improving the possibilities for the practical application of induced pluripotent stem (iPS) cell technology.   view more (2008-10-13)

A link between mitochondria and tumor formation in stem cells
Researchers report on a previously unknown relationship between stem cell potency and the metabolic rate of their mitochondria -a cell's energy makers. Stem cells with more active mitochondria also have a greater capacity to differentiate and are more likely to form tumors.   view more (2008-10-13)

Landmark study unlocks stem cell, DNA secrets to speed therapies
In a groundbreaking study led by an eminent molecular biologist at Florida State University, researchers have discovered that as embryonic stem cells turn into different cell types, there are dramatic corresponding changes to the order in which DNA is replicated and reorganized.   view more (2008-10-13)

Nanotechnology boosts war on superbugs
This week Nature Nanotechnology journal (October 12th) reveals how scientists from the London Centre for Nanotechnology (LCN) at UCL are using a novel nanomechanical approach to investigate the workings of vancomycin, one of the few antibiotics that can be used to combat increasingly resistant... view more (2008-10-13)

Researchers design artificial cells that could power medical implants
Researchers at Yale University have created a blueprint for artificial cells that are more powerful and efficient than the natural cells they mimic and could one day be used to power tiny medical implants.   view more (2008-10-09)

What is the pathogenesis of liver damage induced by ethanol?
They investigated the effects of ethanol on the IGF-I system with the involvement of JNK1/2 activity and ADH by using each chemical inhibitor in primary cultured rat hepatocytes. The results indicate that ethanol inducedp-JNK1/2 activation is associated with the IGF-I system and cell viability in... view more (2008-10-08)

Rong Li Lab probes mechanism of asymmetry in meiotic cell division
The Stowers Institute's Rong Li Lab has characterized a mechanism that allows for asymmetrical cell division during meiosis in oocytes. By tracking chromosome movement in live mouse oocytes, the team discovered that chromosomes can recruit to their vicinity a protein called formin-2.   view more (2008-10-08)
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