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Science News for November 2, 2008


Nature study demonstrates that bacterial clotting depends on clustering

New research finds bacteria can directly cause human blood to clot by forming clusters, a process previously thought lost in vertebrate evolution. This discovery may lead to new clinical methods for treating sepsis and anthrax, improving understanding of coagulation during bacterial infections.

SourceUniversity of Chicago·JournalNature Chemical Biology·DateNov 2, 2008
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Human genes sing different tunes in different tissues

Scientists have found that nearly all human genes, about 94 percent, generate more than one form of their protein products through alternative splicing. The phenomenon varies significantly between tissues, with mRNA expression dependent on the tissue where the gene is expressed.

SourceMassachusetts Institute of Technology·JournalNature·DateNov 2, 2008

MIT: Mending broken hearts with tissue engineering

MIT researchers have created a novel scaffold that can aid in the repair of damaged heart tissue and potentially treat congenital heart defects. The biodegradable scaffold has directionally dependent structural and mechanical properties, allowing it to mimic native heart muscle structure and behavior.

SourceMassachusetts Institute of Technology·JournalNature Materials·DateNov 2, 2008

Detecting tiny twists with a nanomachine

Researchers at Boston University developed a nanoscale torsion resonator to measure miniscule amounts of twisting or torque in metallic nanowires. The device has applications in spintronics, fundamental physics, chemistry, and biology.

SourceBoston University·JournalNature Nanotechnology·DateNov 2, 2008
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Persistent bacterial infection exploits killing machinery of immune cells

A study found that disease-causing bacteria exploit the killing machinery of immune cells by increasing the production of an enzyme called arginase. This allows them to survive within macrophages, a type of white blood cell. The researchers observed improved outcomes in mice lacking this enzyme when infected with certain pathogens.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalNature Immunology·DateNov 2, 2008

A double-barreled immune cell approach for neuroblastoma

Researchers at Baylor College of Medicine have developed a new treatment approach for neuroblastoma using T-lymphocytes with an artificial receptor that targets cancer cells. The treatment showed promise in early clinical trials, with one patient achieving complete remission and others experiencing stable disease for over a year.

SourceBaylor College of Medicine·JournalNature Medicine·DateNov 2, 2008

Substance tackles skin cancer from 2 sides

Researchers develop a novel designer molecule that targets malignant melanoma cells using two different routes: triggering the immune system to attack and switching off a specific gene, driving cancer cells to suicide. Initial experiments in mouse models show significant inhibition of metastasis growth and tumor shrinkage.

SourceUniversity of Bonn·JournalNature Medicine·DateNov 2, 2008