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Science News Archive June 2013 - Page 20


Page 20 of 30

New Loyola study on hepatitis C virus entry factor

Researchers at Loyola University Chicago Stritch School of Medicine identified the disruption of iron uptake receptor TfR1 in Hepatitis C virus (HCV) infected cells. The study shows that TfR1 mediates HCV entry and contributes to hepatic iron overload, a common complication in chronic HCV infections.

SourceLoyola Medicine·JournalProceedings of the National Academy of Sciences·DateJun 10, 2013

Study reveals leakage of carbon from land to rivers, lakes, estuaries and coastal regions

A new study found that human activities are increasing the movement of carbon from land to rivers, estuaries, and coastal regions, with a significant fraction stored in aquatic systems. This discovery affects current estimates of carbon storage on land, highlighting the need for accurate assessments of the 'land-ocean aquatic continuum'.

SourceUniversity of Exeter·JournalNature Geoscience·DateJun 10, 2013

How cells get a skeleton

A study found that high levels of contractile stress in animal cells can lead to the formation of a condensed layer of filaments beneath the cell membrane. This new understanding provides insight into the cortical layer's structure and function.

SourceSpringer·JournalThe European Physical Journal E·DateJun 10, 2013

Flowering at the right age

Researchers from Max Planck Institute find that Alpine rock cress measures age based on miR156 concentration, which decreases over time. This allows the plant to synchronize growth and flowering with environmental cues like vernalisation.

SourceMax-Planck-Gesellschaft·JournalScience·DateJun 10, 2013

World Stem Cell Summit to be presented by Genetics Policy Institute, Mary Ann Liebert, Inc., and Genetic Engineering & Biotechnology News

The 2013 World Stem Cell Report will be published as a special supplement to the peer-reviewed journal Stem Cells and Development. The report delivers an orbital and unique viewpoint on regenerative medicine, featuring content from leading policy-makers, regulators, and experts.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalStem Cells and Development·DateJun 10, 2013

The dance of the atoms

Scientists at the Vienna University of Technology have observed and explained the dance of atoms on iron-oxide surfaces. They found that carbon monoxide is the partner responsible for rapid motion, which leads to clustering and reduces the effectiveness of catalysts. A hydroxyl coating of the surface can suppress this effect.

SourceVienna University of Technology·JournalNature Materials·DateJun 10, 2013

JCI early table of contents for June 10, 2013

Researchers found that HDAC3 is essential for DNA replication in hematopoietic progenitor cells and plays a critical role in Alzheimer's disease pathogenesis by binding to the cellular protein FCγRIIb, which activates cell stress and death pathways. The study also identified a link between FCγRIIb and memory impairment in AD patients.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJun 10, 2013

Molecular imaging improves care for children with brain cancer

A new molecular imaging technique, F-18 FET, has been shown to be highly effective in detecting and differentiating brain lesions in children, with an accuracy rate of 94%. This study improves the clinical management of pediatric brain cancer patients by providing more accurate information about tumor progression and treatment.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateJun 10, 2013

Quality-of-life issues need to be addressed for CML patients, Moffitt researchers say

Researchers at Moffitt Cancer Center found that chronic myeloid leukemia patients taking tyrosine kinase inhibitors experience distressing side effects such as depression, fatigue, nausea, and changes in appearance. These issues can significantly impact patients' quality of life for the rest of their treatment period.

SourceH. Lee Moffitt Cancer Center & Research Institute·JournalSupportive Care in Cancer·DateJun 10, 2013

Reputation can trump money

A study by Harvard researchers shows that making participation observable can significantly increase sign-ups for a California blackout prevention program, with a three-fold increase compared to using cash incentives alone. Observability puts people's reputation at stake, encouraging those who might not otherwise sign up to do so.

SourceHarvard University·JournalProceedings of the National Academy of Sciences·DateJun 10, 2013