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Rapid detection and profiling of cancer cells in fine-needle aspirates

Using a new type of paramagnetic nanoparticle and a nuclear magnetic resonance (NMR) system built into a microfluidic device, a team of investigators at the Massachusetts General Hospital and Harvard Medical School has created an assay system capable of detecting as few as two cancer cells in 1 microliter of biological fluid. In addition, the new assay requires little sample processing and produces results in less than 15 minutes.

7 Sep 2009

Reversible cell-specific drug delivery with aptamer-functionalized liposomes

For cancer drug developers, finding an agent that kills tumor cells is only part of the equation. The drug also must spare healthy cells, and ideally its effects will be reversible to cut short any potentially dangerous side effects. Investigators from the University of Illinois at Urbana-Champaign report that they have assembled a new cancer drug delivery system that, in cell culture, achieves all of the above.

7 Sep 2009

Molecularly targeted nanocarriers deliver the cytolytic peptide melittin specifically to tumor cells in mice, reducing tumor growth

When bees sting, they pump into their victims a peptide toxin called melittin that destroys cell membranes. Now, by encapsulating this extremely potent molecule within a nanoparticle, researchers at the Washington University School of Medicine in St. Louis have created a potential new type of anticancer therapy with the potential to target a wide range of tumors. This work was reported in the Journal of Clinical Investigation.

7 Sep 2009

Identifying a specific molecular signature can help customize cancer treatment

A molecular signature that helps account for the aggressive behavior of a variety of cancers such as pancreatic, breast and melanoma may also predict the likelihood of successful treatment with a particular anti-cancer drug. The finding, which could lead to a personalized approach to treatment for a variety of solid tumors that are currently resistant to therapies, will be published September 6 in the advance online edition of Nature Medicine.

7 Sep 2009

Manuka honey inhibits MRSA infections by killing bacterial proteins

Manuka honey may kill bacteria by destroying key bacterial proteins. Dr Rowena Jenkins and colleagues from the University of Wales Institute - Cardiff investigated the mechanisms of manuka honey action and found that its anti-bacterial properties were not due solely to the sugars present in the honey.

7 Sep 2009

Two more genetic risk factors for Alzheimer's disease discovered

An international team of scientists has identified two more genetic risk factors for Alzheimer's disease. The findings are reported in the online edition of the journal Nature Genetics.

7 Sep 2009

The Jordanian Stem Cell Company signs purchase agreement with Stemedica International

Stemedica Cell Technologies, Inc., ("Stemedica"), a world leader in stem cell research and manufacturing, announced the signing of an agreement today for its breakthrough stem cell and related technology. The Jordanian Stem Cell Company has signed a five year multi-million dollar agreement to purchase the technology from Stemedica's wholly-owned subsidiary, Stemedica International, S.A.

7 Sep 2009

Harmless shard from childhood virus shell may halt biological process

A harmless shard from the shell of a common childhood virus may halt a biological process that kills a significant percentage of battlefield casualties, heart attack victims and oxygen-deprived newborns, according to research presented Sunday, September 6, 2009, at the 12th European meeting on complement in human disease in Budapest, Hungary.

7 Sep 2009

Bacterium's S-layer secretes many therapeutic proteins

By adapting a single protein on the surface of the bacterium Caulobacter crescentus, researchers at the University of British Columbia have turned it into a protein production factory, making useful proteins that can act as vaccines and drugs. Dr. John Smit presented the findings at the Society for General Microbiology's meeting at Heriot-Watt University, Edinburgh, today (7 September).

7 Sep 2009

Bacterial cells could contribute to stronger bone implants

Bacteria that manufacture hydroxyapatite (HA) could be used to make stronger, more durable bone implants. Professor Lynne Macaskie from the University of Birmingham this week (7-10 September) presented work to the Society for General Microbiology's meeting at Heriot-Watt University, Edinburgh.

7 Sep 2009

ASNM inaugral conference to discuss the latest in nanomedicine

Nanomedicine - the science and technology of diagnosing, treating and preventing disease to improve human health using nanotechnology - has the potential to revolutionize healthcare. Current and future products range from miniaturized "smart pills" that precision-target certain cancers to nanosensors that are capable of navigating through the body for early detection of disorders.

5 Sep 2009

Olympic gold medalist Shannon Miller to campaign for Stemcyte

StemCyte, Inc., one of the world's preeminent cord blood banks, today announced that Shannon Miller, a 7-time Olympic Medalist and 9-time World Medalist, has signed an endorsement partnership agreement and will appear in a series of advertising and public awareness campaigns for the company.

5 Sep 2009

microRNAs analysis could detect pancreatic cancer

A blood test for small molecules abnormally expressed in pancreatic cancer may be a promising route to early detection of the disease, researchers at The University of Texas M. D. Anderson Cancer Center report in the September edition of the journal Cancer Prevention Research.

5 Sep 2009

Brain protein srGAP2 capable of forming filopodia

When the process goes awry, neurodevelopmental disorders such as mental retardation, dyslexia or autism may result. Researchers at the University of North Carolina at Chapel Hill School of Medicine have now discovered that establishing the neural wiring necessary to function normally depends on the ability of neurons to make finger-like projections of their membrane called filopodia.

5 Sep 2009

New approach for understanding how drug resistance occurs in leukemia

UCSF researchers have developed a new approach to identify specific genes that influence how cancer cells respond to drugs and how they become resistant. This strategy, which involves producing diverse genetic mutations that result in leukemia and associating specific mutations with treatment outcomes, will enable researchers to better understand how drug resistance occurs in leukemia and other cancers, and has important long-term implications for the development of more effective therapies.

5 Sep 2009

Researchers study the brain's posterior cingulate cortex

Using brain scans in monkeys, Duke University Medical Center researchers are now able to predict when monkeys will switch from exploiting a known resource to exploring their options.

5 Sep 2009

New role discovered for sphingosine-1-phosphate

Virginia Commonwealth University School of Medicine researchers have discovered a new role for the bioactive lipid messenger, sphingosine-1-phosphate, or S1P, that is abundant in our blood - a finding that could lead to a new generation of drugs to fight cancer and inflammatory disease.

5 Sep 2009

nSR100 protein plays a key role in neuron development

Researchers at the University of Toronto have identified a protein which plays a key role in the development of neurons, which could enhance our understanding of how the brain works, and how diseases such as Alzheimer's occur.

5 Sep 2009

American mayapple contains anticancer compounds: Study

A common weed called American mayapple may soon offer an alternative to an Asian cousin that's been harvested almost to extinction because of its anti-cancer properties.

5 Sep 2009

Study reveals elevated cTnT levels in post-CABG patients

Levels of a biomarker used in the diagnosis of heart attacks are almost universally elevated in patients who have undergone coronary-artery bypass grafting (CABG) and, when markedly elevated, are powerfully prognostic, a team of researchers from the Massachusetts General Hospital (MGH) Heart Center has found.

5 Sep 2009