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A tumor that can unroll: Engineers create new technology for understanding cancer growth

A team of U of T engineers has developed a way to grow cancer cells in the form of a rolled-up sheet that mimics the 3D environment of a tumour, offering a way to speed up drug development and ask new questions about cell behavior. The single-layer design makes it easier for other lab researchers to adopt the process.

Natural selection and inflammation may hold key to age-associated cancer risk

Research suggests that healthy cells are optimized for a healthy ecosystem; changes in this ecosystem allow cancer-causing mutations to outcompete healthy rivals, leading to an increase in cancerous cells. Inflammation is a critical factor in this process, hurting the growth and maintenance of healthy B-cell progenitor cells.

SourceUniversity of Colorado Anschutz Medical Campus·JournalJournal of Clinical Investigation·DateNov 11, 2015

Bottle-brush design enhances cellular imaging

Researchers developed bottle-brush nanotags to enhance cellular imaging by containing thousands of fluorophores, overcoming the limit of self-quenching and amplifying signal detection. The design permits the use of different dyes, enabling a wide range of colors for these fluorescent nanotags.

SourceAmerican Chemical Society·JournalACS Central Science·DateNov 4, 2015

Molecular motor grows cell's microtubules

Researchers at Penn State have discovered that a molecular motor can stimulate the growth of microtubules in cells, which could lead to new treatments for cancer. The study found that kinesin-5 molecules pause at the end of microtubules and generate pushing forces, allowing them to grow the microtubes.

SourcePenn State·JournalNature Communications·DateOct 26, 2015

A new way to starve lung cancer?

Researchers discovered that lung cancer cells switch to using amino acid glutamine when glucose is scarce, allowing them to continue growing under starvation conditions. Blocking this enzyme PEPCK could slow tumor growth in mice, suggesting a promising new approach to treating non-small cell lung cancer.

SourceMcGill University·JournalMolecular Cell·DateOct 20, 2015

Attacking acute myeloid leukemia

Researchers at Harvard University have discovered a molecule that can halt the growth of cancerous AML cells without harming healthy cells. The molecule, cortistatin A, works by inhibiting two specific kinases that play a key role in the growth of AML cells.

SourceHarvard University·JournalNature·DateSep 28, 2015

Targeting DNA

A modular system of proteins can detect a specific DNA sequence in a cell and trigger a response, such as cell death. The system can be customized to detect any DNA sequence and trigger a desired response, including killing cancer cells or cells infected with a virus.

SourceMassachusetts Institute of Technology·JournalNature Methods·DateSep 21, 2015

Role of cancer-suppressing gene uncovered

Researchers have identified a key role for the WWOX gene in suppressing cancer development. Lower levels of WWOX are associated with more aggressive and treatment-resistant cancers. The study suggests that targeting the enzyme activity of WWOX could influence cancer cell properties.

SourceUniversity of Adelaide·JournalPLOS ONE·DateSep 21, 2015