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Science News Archive December 2016 - Page 21


Page 21 of 32

Blood-borne HPV antibodies indicate head, neck cancer prognosis

A new study suggests that blood-borne HPV antibodies can serve as a reliable biomarker for predicting the outcome of all types of head and neck cancer. The researchers found that patients with an immune response to HPV have a lower risk of dying during the five-year follow-up period, regardless of the exact location of their tumors.

SourceBrown University·JournalJAMA Oncology·DateDec 8, 2016

How to make a motor neuron

Researchers found a dynamic, multi-step process in which multiple independent changes converge to transform stem cells into motor neurons. The study outlines challenges facing current cell-replacement technology but also highlights potential pathways for enhanced gene-therapy methods.

SourceNew York University·JournalCell Stem Cell·DateDec 8, 2016

Artificial beta cells

Researchers at ETH Zurich have created artificial beta cells that can effectively regulate blood sugar levels. These cells work by measuring glucose concentrations in the blood and producing insulin when necessary, making them a promising solution for diabetes treatment.

SourceETH Zurich·JournalScience·DateDec 8, 2016

Tumor found in a 255-million-year-old mammalian ancestor

Researchers discovered a 255-million-year-old tumor in a gorgonopsian mammalian ancestor, revealing an ancient condition that resembles compound odontoma. This finding challenges the current understanding of vertebrate evolution, suggesting that this condition may have evolved much earlier than previously thought.

SourceJAMA Network·JournalJAMA Oncology·DateDec 8, 2016

Fast test can monitor drug resistance in hookworms

Researchers have developed a rapid test to monitor drug resistance in hookworms, which can cause disease and stunted growth. The new test uses short nucleotide polymorphisms to detect drug-resistant mutations in as little as 1% of a sample, taking only 60 minutes.

SourcePLOS·JournalPLOS Neglected Tropical Diseases·DateDec 8, 2016

Oxygen can wake up dormant bacteria for antibiotic attacks

A team of researchers has identified an oxygen-dependent toxin antitoxin system that can be targeted to inhibit biofilm formation and combat antibiotic-resistant bacteria. By understanding the molecular mechanisms behind this system, scientists hope to develop more effective antimicrobials.

SourcePenn State·JournalNature Communications·DateDec 8, 2016

DNA methylation biomarker for prostate cancer shows promise for accurately determining patient risk

A DNA methylation biomarker called PITX2 has been identified as a reliable predictor of prostate cancer recurrence. The study found that patients with high PITX2 methylation levels were at significantly increased risk for recurrence. This breakthrough could lead to more personalized treatment strategies for prostate cancer patients.

SourceElsevier Health Sciences·JournalJournal of Molecular Diagnostics·DateDec 8, 2016

Honeybee memories: Another piece of the Alzheimer's puzzle?

Honeybee memories may hold clues to understanding human long-term memory formation and combating degenerative brain diseases. DNA methylation plays a crucial role in regulating memory specificity, with implications for treating conditions like Alzheimer's and dementia.

SourceFrontiers·JournalFrontiers in Molecular Neuroscience·DateDec 8, 2016

Electron highway inside crystal

Physicists at the University of Würzburg have discovered a new electronic state in topological crystalline insulators, creating conductive channels for electrical currents. The channels are narrow and robust, making the materials suitable for ultra-fast and energy-efficient computers.

SourceUniversity of Würzburg·JournalScience·DateDec 8, 2016