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Science News for April 21, 2013


Stem cell transplant restores memory, learning in mice

Researchers at University of Wisconsin-Madison successfully transplanted human embryonic stem cells into mouse brains to repair damaged neural circuits. The study demonstrates the potential for stem cell therapy to treat neurological disorders such as Alzheimer's and depression.

SourceUniversity of Wisconsin-Madison·JournalNature Biotechnology·DateApr 21, 2013

New immune cells hint at eczema cause

Researchers have identified a new type of immune cell in the skin that plays a role in fighting parasitic invaders and could be linked to eczema. The discovery sheds light on the causes of allergic skin diseases and offers new hope for treating hundreds of millions of people worldwide.

SourceCentenary Institute·JournalNature Immunology·DateApr 21, 2013
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Starting with 2 health behaviors may be better than 1

The study found that delivering physical activity and dietary interventions simultaneously may result in the most positive sustained outcomes across two important health behaviors. Participants who received simultaneous advice successfully increased both their dietary and physical activity levels to national recommendations by 12 months.

SourceSpringer·JournalAnnals of Behavioral Medicine·DateApr 21, 2013

Study: Low-dose aspirin stymies proliferation of 2 breast cancer lines

A study found that low-dose aspirin slowed the growth of two breast cancer lines in lab tests and reduced tumor growth in mice. The compound also inhibited tumor cells from spreading and enhanced the effect of tamoxifen, a common drug therapy for hormone-receptor positive breast cancer.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013

Green spaces may boost wellbeing for city dwellers

Research finds that individuals living in urban areas with green space report less mental distress and higher life satisfaction. The effect is significant even after accounting for income, employment, marital status, physical health, and housing type.

SourceUniversity of Exeter·JournalPsychological Science·DateApr 21, 2013
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Structure of cell signaling molecule suggests general on-off switch

Researchers at Duke University Medical Center discovered a three-dimensional image of beta-arrestin1, a protein that regulates GPCRs, revealing a striking difference in its active and inactive states. This finding suggests the presence of a general molecular mechanism controlling the activation of beta-arrestin1.

SourceDuke University Medical Center·JournalNature·DateApr 21, 2013

Genetics defines a distinct liver disease

A large-scale genetic study has associated nine new genetic regions with primary sclerosing cholangitis (PSC), a rare autoimmune liver disease. The study definitively proves PSC is a distinct disease, despite its genetic relationship to inflammatory bowel disease (IBD).

SourceWellcome Trust Sanger Institute·JournalNature Genetics·DateApr 21, 2013

Social stress and the inflamed brain

A study by Dr. Susan K. Wood found that social stress can lead to inflammatory changes in the brain, increasing vulnerability to depression and heart disease. The research identified specific genes and proteins involved in this process, shedding light on potential targets for treatment.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013

Indiana University associate professor earns APS's Henry Pickering Bowditch Award

Dr. Johnathan D. Tune has been recognized with the Henry Pickering Bowditch Lecture Award for his groundbreaking work investigating the mechanisms connecting obesity, diabetes, and heart disease. His research, conducted using obese pigs, has identified key targets to potentially treat or slow down heart disease.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013
Apple iPhone 17 Pro

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

A scientist on a mission

Antibiotic overuse and misuse are creating conditions for the emergence of superbugs in border communities like Eagle Pass, Texas. Collaborating with officials to develop an outreach model to mitigate antimicrobial resistance, scientist Subburaj Kannan emphasizes the need for government action and public awareness.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013

2 days of staging as effective as 4 for high-altitude climbs

Researchers found that 2 days of staging at a moderate altitude is as effective as 4 days in preventing acute mountain sickness, allowing soldiers to ascend safer and quicker. The study used male soldiers ascending Pike's Peak in Colorado, with 73% showing symptoms of AMS on direct ascent versus 30-40% on staged ascents.

SourceAmerican Physiological Society·DateApr 21, 2013

A check on tension

Researchers Arshad Desai and Christopher Campbell found that Aurora B kinase congregates on microtubules instead of the centromere, ensuring required tension is achieved on chromosomes. This discovery challenges prevailing model for how dividing cells monitor chromosome distribution.

SourceLudwig Institute for Cancer Research·JournalNature·DateApr 21, 2013
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Recreational use of HIV antiretroviral drug linked to its psychoactivity

Researchers investigated the recreational use of HIV antiretroviral drug efavirenz, which is commonly used to treat HIV. Studies found that its diversion for psychoactive effects can lead to adverse neuropsychiatric complications and potentially create resistant strains of the virus.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013

New dietary analysis tool for athletes debuts

A new website application called Dietary Analysis Tool for Athletes (D.A.T.A.) has been validated as accurately recording dietary intake. The digital tool generates a report immediately after the recall, providing quick feedback for athletes and sports health professionals.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Discovery brings hope of new tailor-made anti-cancer agents

Scientists have developed a new chemical compound, WEHI-539, that inhibits BCL-XL protein in cancer cells. This could lead to the design of potential anti-cancer agents that restore cell death and improve treatment outcomes for patients with various types of cancer.

SourceWalter and Eliza Hall Institute·JournalNature Chemical Biology·DateApr 21, 2013

Sniffing out solutions for millions of Americans with smell loss

Millions of Americans experience abnormality of smell function, affecting daily life. Researchers have discovered a crucial balance between anti-inflammatory and pro-inflammatory cytokines in nasal mucus, which may lead to new treatments for patients with smell loss.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013

A noninvasive avenue for Parkinson's disease gene therapy

A novel gene therapy approach using nanoparticles to deliver GDNF may halt Parkinson's disease progression and reverse symptoms. This non-invasive method bypasses the blood-brain barrier, enabling continuous production of GDNF in brain cells.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Hundreds of alterations and potential drug targets to starve tumors identified

Researchers at Columbia University Medical Center have identified hundreds of metabolic expression changes and potential drug targets to cut off a tumor's fuel supply. The study, published in Nature Biotechnology, provides a comprehensive view of diverse metabolic alterations in cancer, shedding light on how tumors adapt their metaboli...

SourceColumbia University Irving Medical Center·JournalNature Biotechnology·DateApr 21, 2013

Change diet, exercise habits at same time for best results, Stanford study says

Researchers at Stanford University School of Medicine discovered that focusing on changing both diet and exercise simultaneously gives a bigger boost than tackling them sequentially. Participants who started with both diet and exercise habits at the same time were more likely to meet national guidelines for exercise and nutrition.

SourceStanford Medicine·JournalAnnals of Behavioral Medicine·DateApr 21, 2013

More evidence berries have health-promoting properties

Rats fed a berry diet for 2 months showed significant protection against radiation-induced aging, with improved autophagy and reduced toxic protein accumulation. Berries may help alleviate age-related cognitive decline and neurodegenerative diseases like Alzheimer's and Parkinson's.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.