Add BrightSurf on Google Email

Science News Archive 2009 - Page 18


Page 18 of 277

New therapy targets for amyloid disease

Scientists at the University of Leeds have discovered that amyloid fibres are toxic and become more damaging when shorter, challenging accepted thinking about their inert nature. The study highlights a potential new area for therapeutics and may lead to the development of new treatments for diseases such as Alzheimer's and Parkinson's.

SourceUniversity of Leeds·JournalJournal of Biological Chemistry·DateDec 4, 2009

Species down, disease up

New research suggests that biodiversity loss and habitat destruction can increase the incidence and distribution of infectious diseases in humans. Studies show that extinction of plant and animal species can lead to a rise in new diseases, such as West Nile Virus, and even re-emergence of diseases thought to be in decline, like malaria.

SourceUniversity of Vermont·JournalBioScience·DateDec 3, 2009

CWRU researchers report poor outcomes for CCI patients leaving hospitals on ventilators

A recent study by Case Western Reserve University researchers found that CCI patients who leave hospitals on ventilators have poor outcomes, with only a small percentage achieving 'better' outcomes. The study suggests that knowledge of these outcomes is crucial for ICU clinicians and families in care planning and decision-making.

SourceCase Western Reserve University·JournalAmerican Journal of Critical Care·DateDec 3, 2009

Grooving down the helix

Researchers discovered that proteins locate genetic information in DNA by sliding down the double helix, like traveling along a screw. This finding validates a recent theory and could lead to new ways to alter DNA-binding protein behavior.

SourceDOE/Brookhaven National Laboratory·JournalNature Structural & Molecular Biology·DateDec 3, 2009

Study links real-time data to flu vaccine strategies

Researchers found that targeting young adults between 20-59 years for vaccinations could help mitigate the impact of ongoing pandemic waves, resulting in a 37% reduction in hospitalizations and 42% reduction in deaths. The study's adaptive strategy was effective in reducing influenza-related deaths by 35% when compared to traditional s...

SourceArizona State University·JournalPLOS ONE·DateDec 3, 2009

January-February 2010 GSA Bulletin highlights

The January-February 2010 GSA Bulletin features studies on the kinematic evolution of curved mountain belts, including a paleomagnetic study of the Sevier thrust belt. The issue also covers the Sudbury impact crater in Michigan, USA, and GIS assessments of post-fire debris-flow hazards in central Idaho.

SourceGeological Society of America·JournalGeological Society of America Bulletin·DateDec 3, 2009

Green tea chemical combined with another may hold promise for treatment of brain disorders

Scientists at Boston Biomedical Research Institute discovered that combining EGCG and DAPH-12 can prevent and destroy various protein structures known as amyloids, which are primary culprits in fatal brain disorders. The study may contribute to future therapies for Alzheimer's, Huntington's, and Parkinson's diseases.

SourceBoston Biomedical Research Institute·JournalNature Chemical Biology·DateDec 3, 2009

The big blow-up

Researchers discover supernova that fits predictions for a star hundreds of times the sun's mass, revealing new insights into star formation and heavy metal creation. The study also suggests hyper-giant stars may exist beyond 150 suns, challenging our understanding of celestial physics.

SourceWeizmann Institute of Science·JournalNature·DateDec 3, 2009

Team using Subaru Telescope makes major discovery

An international team of scientists has made the first direct observation of a planet-like object orbiting a star similar to the sun. The object, GJ 758 B, is estimated to be 10-40 times as massive as Jupiter and orbits its star at a distance of approximately 300 trillion miles.

SourcePrinceton University·JournalThe Astrophysical Journal Letters·DateDec 3, 2009

Poisonous Poisson

A recent study by Jeremy Wright has catalogued the presence of venom glands in 158 catfish species, suggesting that at least 1250 and possibly over 1600 species may be venomous. Catfish venoms are neurotoxic and hemolytic, causing severe pain, muscle spasm, and respiratory distress.

SourceBMC (BioMed Central)·JournalBMC Evolutionary Biology·DateDec 3, 2009

Turbulence around heat transport

Scientists have discovered that extremely strong turbulent convection can lead to two distinct states of heat transport, defying the previously established law. The researchers found an exponential increase in heat transport that decreases by a power of two as the turbulence strengthens.

SourceMax-Planck-Gesellschaft·JournalNew Journal of Physics·DateDec 3, 2009

Papillomavirus silences innate immune response

Research reveals that HPV16 oncoprotein silences the production of interferon-kappa, a key protein in the innate immune response. This allows cancer cells to grow unchecked, highlighting a potential new target for cancer treatment. The study provides insight into the mechanisms by which high-risk HPV types cause cervical cancer.

SourceHelmholtz Association·JournalCancer Research·DateDec 3, 2009

Mice holding back muscular dystrophy research

Researchers found that mice lack two key features of a critical DMD gene, hindering the use of mice as primary models for studying DMD. The findings indicate that mouse models are particularly poor at replicating brain effects of DMD, which could limit understanding of the disease's mechanisms.

SourceBMC (BioMed Central)·JournalBMC Biology·DateDec 3, 2009

Transplant infectious disease experts provide pandemic guidance

The article discusses the impact of the H1N1 pandemic on solid organ transplant patients and donors. Experts recommend testing for influenza-like illnesses, empiric antiviral therapy, and vaccination with at least one dose of H1N1 vaccine to prevent transmission and severe disease.

SourceWiley·JournalAmerican Journal of Transplantation·DateDec 3, 2009

No change in brain tumor incidence during a time when cell phone usage increased

A recent study published in the Journal of the National Cancer Institute found no significant link between increased cell phone usage and brain tumor incidence. The research analyzed data from Denmark, Finland, Norway, and Sweden over a 30-year period, concluding that induction periods may be longer than previously thought.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateDec 3, 2009

Personality predicts success in medical school, says new study by U of Minnesota professor

A new study published in the Journal of Applied Psychology found that personality characteristics play a significant role in determining who succeeds in medical school. Conscientious individuals tend to excel in early years, while extraverted students perform better in later years as interpersonal skills become more important.

SourceUniversity of Minnesota·JournalJournal of Applied Psychology·DateDec 3, 2009

Ending intimate partner violence

The UK Government's new strategy focuses on preventing intimate partner violence through education and community programs. The plan includes a national communications program and adding gender equality to the school curriculum.

SourceThe Lancet_DELETED·JournalThe Lancet·DateDec 3, 2009

New antibiotics urgently needed

A global drive is necessary to develop new antibiotics, with only a single new antibacterial approved in the USA since 2006. The EU report also shows limited progress, with just five new drugs reaching phase 3 clinical trials within the next 10 years.

SourceThe Lancet_DELETED·JournalThe Lancet·DateDec 3, 2009