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Science News for January 8, 2019


Fighting another virus? Blame your parents

A new study of twins found that genetic factors significantly impact the body's immune defense networks. The researchers analyzed blood samples from 1835 twins and thousands of siblings to understand how effectively their bodies deploy disease-fighting molecules.

SourceJames Cook University·JournalJournal of Allergy and Clinical Immunology·DateJan 8, 2019

Finding an elusive mutation that turns altruism into selfish behavior among honeybees

Researchers found a single gene mutation responsible for thelytoky syndrome, a phenomenon where worker bees ignore queen orders and reproduce on their own. The dominant Thelytoky (Th) gene requires only one copy to express selfish behavior, but its partner gene is necessary for fertility.

Flu vaccine is safe for hospitalized patients

A recent Kaiser Permanente study found that hospitalized patients who received the flu vaccine had no increased risk of outpatient visits or hospital readmission within seven days of discharge. The study also showed that vaccinating hospital patients did not increase the risk of fever or rates of laboratory evaluations for infection.

SourceKaiser Permanente·JournalMayo Clinic Proceedings·DateJan 8, 2019

How locusts switch colors in different settings

A novel 'palette effect' mechanism allows locusts to switch between green and black coloring in response to different environments. The discovery reveals a red pigment complex acts as a switch to coordinate the insects' color changes, providing an adaptive response to population density.

SourceeLife·DateJan 8, 2019

Mosquito-specific protein may lead to safer insecticides

Researchers identified a mosquito-specific protein, EOF1, which plays a crucial role in eggshell formation. Blocking its expression resulted in non-viable eggs and multiple structural defects. This discovery provides a promising target for developing more effective and safer mosquito control strategies.

SourcePLOS·JournalPLOS Biology·DateJan 8, 2019

RCSI researchers develop new tuberculosis treatment

A team of RCSI researchers has developed a new treatment for tuberculosis (TB) that could be used to treat hundreds of thousands of patients. The treatment uses all-trans retinoic acid, which has shown promise in previous studies and can help reduce bacteria and lung damage.

SourceRCSI·JournalEuropean Journal of Pharmaceutics and Biopharmaceutics·DateJan 8, 2019

New study looks at costs and benefits of paying for ecosystem services

A recent study by Smithsonian Tropical Research Institute scientists evaluated the economic viability of PES programs in the PCW, finding that reforestation efforts have a significant impact on ship transits and dry-season water flow. The researchers also identified market clearing equilibriums for such programs, highlighting their pot...

SourceSmithsonian Tropical Research Institute·JournalProceedings of the National Academy of Sciences·DateJan 8, 2019

Space microbes aren't so alien after all

Researchers discovered that bacteria on the ISS are adapting to survive in a stressful environment, rather than evolving into superbugs. The study's findings provide good news for astronauts and potential space tourists, but also highlight the need for precautions against illness transmission.

SourceNorthwestern University·JournalmSystems·DateJan 8, 2019

New anti-Wolbachia drug with potential to treat onchocerciasis and lymphatic filariasis

Researchers have developed a novel fully synthetic and rationally designed anti-Wolbachia drug, AWZ1066S, which could potentially treat onchocerciasis and lymphatic filariasis. The compound has shown high specificity and potency against Wolbachia, with the potential to shorten treatment times from weeks to days.

SourceLiverpool School of Tropical Medicine·JournalProceedings of the National Academy of Sciences·DateJan 8, 2019

Patient re-contact after revision of genomic test results: A new ACMG points to consider

The American College of Medical Genetics and Genomics (ACMG) has released new guidelines to help providers develop policies/procedures for re contacting patients after revising genomic test results. The guidelines aim to address the complex questions surrounding patient re contact, including legal, ethical, and practical issues.

SourceAmerican College of Medical Genetics and Genomics·JournalGenetics in Medicine·DateJan 8, 2019

UMass Amherst Researchers offer new physics rule to find mechanical strain

Researchers at UMass Amherst have developed a new theory that allows thin sheets to conform to 'geometrically incompatible' shapes by developing microscopic wrinkles, reducing the need for stretching and increasing efficiency. This breakthrough has significant implications for biotechnologists working on flexible and wearable sensors f...

SourceUniversity of Massachusetts Amherst·JournalProceedings of the National Academy of Sciences·DateJan 8, 2019

Study: Immigrant kids deliberately build STEM skills

US immigrant children major in STEM subjects more than their US-born peers, with 36% of immigrants from non-English speaking countries pursuing these fields. They take more math and science courses, earning 20% more credits in math-intensive courses, which leads to careers in STEM fields.

SourceDuke University·JournalProceedings of the National Academy of Sciences·DateJan 8, 2019

Family Medicine and Community Health Journal volume six, issue number four publishes

The journal features original research articles on adherence to clinical guidelines for diabetes monitoring, the relationship between glycemic control and family support among people with type 2 diabetes, and visit-to-visit variability of blood pressure in hypertensive patients. A China Focus article evaluates the efficiency of communi...

SourceCardiovascular Innovations and Applications·JournalFamily Medicine and Community Health·DateJan 8, 2019

Safer mining practices reduce hazardous exposures in small-scale mining in Nigeria

A pilot program introducing safer mining practices reduced airborne lead levels by 95% and respirable silica dust by 80%, saving hundreds of children from lead poisoning. The project's success demonstrates the effectiveness of low-cost dust control measures in reducing hazardous exposures in artisanal small-scale mining communities.

SourceOK International·JournalAnnals of Work Exposures and Health·DateJan 8, 2019

Physics can show us the inside of tumors

Researchers used noncontact imaging to differentiate malignant cells and monitor treatment effectiveness, revealing mechanical properties of tumors that influence disease progression. This technique may lead to personalized therapies and more effective treatments.

SourceCNRS·JournalPhysical Review Letters·DateJan 8, 2019

Medical marketing increased over past 2 decades

The amount of money spent on medical marketing in the US has significantly increased over the past two decades, reaching $29.9 billion in 2016. Most of this spending was on marketing to professionals, with direct-to-consumer advertising also growing substantially.

SourceJAMA Network·JournalJAMA·DateJan 8, 2019

Environmental sustainability should be inherent to dietary guidance

The Society for Nutrition Education and Behavior recommends including environmental sustainability considerations in future federal dietary guidance. The authors make recommendations to promote behavior change among consumers by discussing the health and environmental impacts of food choices.

SourceElsevier·JournalJournal of Nutrition Education and Behavior·DateJan 8, 2019

Do you recognize this image?

Researchers at the University of Tokyo found that histamine improved people's long-term memory test scores, especially for those with poor memories. The study showed mice could recognize toys they'd seen as long as 28 days ago after receiving a medication that increases histamine in the brain.

SourceUniversity of Tokyo·JournalBiological Psychiatry·DateJan 8, 2019

Insomnia has many faces

Researchers identified five distinct subtypes of insomnia, each with unique characteristics and underlying brain mechanisms. These findings have significant implications for treatment effectiveness and the prevention of depression, offering a new direction in understanding this complex mental disorder.

SourceNetherlands Institute for Neuroscience - KNAW·JournalThe Lancet Psychiatry·DateJan 8, 2019

Pyronaridine-artesunate for treating uncomplicated Plasmodium falciparum malaria

Researchers found pyronaridine-artesunate to be as effective as currently used artemisinin-based combination therapies for treating uncomplicated P. falciparum malaria. Mild liver injuries were observed in some patients but no severe damage was reported. The treatment holds promise for areas with rising artemisinin resistance.

SourceLiverpool School of Tropical Medicine·JournalCochrane Database of Systematic Reviews·DateJan 8, 2019