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Science News Archive November 2023 - Page 27


Page 27 of 40

Study shows stem cell transplant significantly improves outcomes in refractory juvenile systemic sclerosis

A new study shows that autologous stem cell transplant can improve nearly all measures for two years following treatment in patients with refractory juvenile systemic sclerosis. The procedure significantly reduces disease severity and improves skin thickness, intestinal symptoms, and lung function, offering a life-saving intervention f...

New research shows maternal dengue immunity worsens birth defects caused by Zika virus

A recent study led by Duke-NUS Medical School found that prior maternal dengue immunity substantially increases the risk of severe birth defects induced by Zika virus infection during pregnancy. Pregnant mothers with pre-existing dengue antibodies are more likely to experience microcephaly and brain damage in their foetuses after Zika ...

SourceDuke-NUS Medical School·JournalScience Translational Medicine·TypeExperimental study·DateNov 10, 2023

Fungi’s survival secrets

Researchers have found that halophilic fungi can restructure their cell walls to withstand extremely salty conditions, minimizing water loss and maintaining structure. This discovery could lead to the development of new technologies harnessing these microbes for industrial processes.

SourceMichigan State University·JournalNature Communications·TypeExperimental study·DateNov 10, 2023

UC Irvine researchers discover how to better support lab grown muscle cells after transplantation.

Researchers at UC Irvine have identified a critical gene for muscle repair and regeneration, enabling the creation of muscle in the lab that can support human stem cells. The discovery has immense implications for treating various chronic muscle disorders and injuries, including rotator cuff tears and Duchenne Muscular Dystrophy.

SourceUniversity of California - Irvine·JournalNature Cell Biology·TypeExperimental study·DateNov 9, 2023

Multinational study confirms association between CT scans in young people and increased risk of cancer

A multinational study of almost one million individuals found a strong association between exposure to radiation from CT scans in young people and an increased risk of blood cancers. The study confirms that the benefits of computed tomography outweigh the risks, but emphasizes the need for strict radiological protection measures, parti...

SourceBarcelona Institute for Global Health (ISGlobal)·JournalNature Medicine·TypeData/statistical analysis·DateNov 9, 2023

Eliminating mold after natural disasters is vital for those with mold allergy

New studies presented at the American College of Allergy, Asthma and Immunology Annual Scientific Meeting highlight the dangers of excess mold on individuals with asthma. Effective methods for getting rid of mold and airborne allergens include HEPA filters, activated carbon filters, and UV-based technology.

SourceAmerican College of Allergy, Asthma, and Immunology·JournalAnnals of Allergy Asthma & Immunology·TypeLiterature review·DateNov 9, 2023

Scientists unveil significant increase in short-duration extreme precipitation over mountainous areas under global warming

A new study reveals a disturbing trend of increased short-duration extreme precipitation over mountainous regions in Southwest China, exacerbating climate change impacts. The research finds that these events are more frequent and intense than total precipitation, posing significant risks to lives and ecosystems.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalJournal of Applied Meteorology and Climatology·DateNov 9, 2023

Language barriers may cause some children to be underdiagnosed for allergic conditions

A study found that language difficulties lead to underdiagnosis of allergic conditions like asthma and eczema in children who speak a language other than English. A case report highlights the risks of pharmacy translation software interfering with prescription filling, causing delays in securing life-saving medications.

SourceAmerican College of Allergy, Asthma, and Immunology·JournalAnnals of Allergy Asthma & Immunology·TypeContent analysis·DateNov 9, 2023

Team creates synthetic enzymes to unravel molecular mysteries

A team of researchers developed synthetic enzymes that can control the behavior of the signaling protein Vg1, which plays a key role in vertebrate embryonic development. The study uses zebrafish to investigate how Vg1 is formed and found that it must undergo additional processing before it can be activated.

SourceUniversity of Texas at Dallas·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 9, 2023

Left-handers aren’t better spatially, gaming research shows

Researchers analyzed data from over 420,000 participants across 41 countries and found no link between left-handedness and improved spatial skills. The study used a video game to measure navigational abilities and confirmed that factors like age, gender, and education do not influence hand preference and spatial ability.

SourceUniversity of York·JournalProceedings of the Royal Society B Biological Sciences·DateNov 9, 2023

Understanding the dynamic behavior of rubber materials

A team of researchers has developed a novel experimental system to simultaneously measure the mechanical properties and internal structure of rubber-like materials. The study found that strain within these materials is non-uniform, depending on the shape and size of composite particles.

SourceWaseda University·JournalMechanical Systems and Signal Processing·TypeImaging analysis·DateNov 9, 2023

KAIST proposes alternatives to chemical factories through “iBridge”

A novel computer simulation program 'iBridge' was developed at KAIST to predict gene targets for efficient production of valuable compounds in microbial cell factories. The system successfully established E. coli strains capable of producing three high-demand compounds, including panthenol and nylon components.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalCell Systems·TypeMeta-analysis·DateNov 9, 2023

Study shows link between mental and physical health

A new study published in BMJ Mental Health reveals that people with severe mental health issues are almost twice as likely to experience multimorbidity, a combination of chronic diseases. The research emphasizes the urgent need for a comprehensive and integrated approach to address this critical issue.

SourceAnglia Ruskin University·JournalBMJ Mental Health·TypeLiterature review·DateNov 9, 2023

Ethical, environmental and political concerns about climate change affect reproductive choices

A systematic review found that climate change-related concerns are linked to less positive attitudes towards reproduction and a desire for fewer children or none at all. The study identified four key factors: uncertainty about the future of an unborn child, environmentalist views on overpopulation and overconsumption, meeting family su...

SourceUniversity College London·JournalPLOS Climate·TypeSystematic review·DateNov 9, 2023

The autism-linked gene SYNGAP1 could impact early stages of human brain development, USC study reveals

A new USC study reveals that variants of the autism-linked gene SYNGAP1 can disrupt early brain development in the cortex, a region involved in higher-order cognitive functions. The research found that disease-causing variants of SYNGAP1 alter the cells' cytoskeletons and lead to disorganized neural circuits.

SourceKeck School of Medicine of USC·JournalNature Neuroscience·TypeExperimental study·DateNov 9, 2023

Endangered thick-billed parrots at risk of losing newly identified, unprotected Sierra Madre forest habitats to logging, deforestation, study shows

Researchers tracked endangered thick-billed parrots using solar-powered satellite transmitters, revealing new critical habitat and migratory routes. Less than 20% of the newly identified habitat is protected from timber industry, highlighting the urgent need for conservation efforts.

SourceSan Diego Zoo Wildlife Alliance·JournalGlobal Ecology and Conservation·TypeData/statistical analysis·DateNov 9, 2023

Scientists flag conflicts of interest ahead of UN plastic and chemical talks

A group of 35 scientists calls out conflicts of interest in global plastic treaty negotiations, which have hindered timely action on health and environmental issues. They recommend implementing guidelines to prevent industry influence on the UN's Science Policy Panel on chemicals, citing past examples of pollution protection dilution.

SourceGreen Science Policy Institute·JournalEnvironmental Science & Technology·DateNov 9, 2023

Umbilical cord milking appears to be safe in preterm infants born after 28 weeks

A recent study suggests that umbilical cord milking is a safe procedure for preterm infants born after 28 weeks, reducing delay and risk of bleeding. The technique involves gently squeezing the cord to push blood into the newborn's abdomen, allowing for faster response times for infants in need of respiratory support.

First-ever crowd-sourced small molecule discovery and a potent SARS-CoV-2 antiviral lead compound announced by COVID Moonshot Consortium

A COVID Moonshot Consortium has made history by developing a potent SARS-CoV-2 antiviral lead compound through an unprecedented, crowdsourced approach. The project leveraged machine learning and high-throughput structural biology to identify novel compounds with excellent antiviral activity.

SourceDiamond Light Source·JournalScience·TypeImaging analysis·DateNov 9, 2023

Genetic switches in tumor development

Researchers at Kanazawa University found that genetic alterations underlie the dual function of activins in colorectal cancer. Mutations in genes such as Kras and Trp53 can promote tumor progression while also suppressing it, highlighting the complex role of TGF-ß signaling.

SourceKanazawa University·JournalCancer Research·DateNov 9, 2023

Vigorous exercise, rigorous science: What scientists learned from firefighters in training

Scientists analyzed body fluids from firefighters after rigorous training to understand the effects of intense physical exercise on the body. They found a decrease in inflammatory signals, which can improve breathing, but also increase vulnerability to viral respiratory infections.

SourceDOE/Pacific Northwest National Laboratory·JournalMilitary Medical Research·TypeData/statistical analysis·DateNov 9, 2023

Ultrafast lasers on ultra-tiny chips

A new method developed by Caltech's Alireza Marandi enables the creation of ultrafast mode-locked lasers on photonic chips, opening up opportunities for compact and affordable ultrafast photonic technologies. The breakthrough could lead to significant advancements in fields like frequency metrology and precision sensing.

Lightning identified as the leading cause of wildfires in boreal forests, threatening carbon storage

Research reveals that lightning ignitions account for 77% of burned areas in intact extratropical forests, which store vast quantities of carbon. Climate change is projected to increase lightning frequency, posing a significant threat to these forests and the planet's carbon storage.

SourceUniversity of East Anglia·JournalNature Geoscience·TypeComputational simulation/modeling·DateNov 9, 2023

Brain imaging identifies biomarkers of mental illness

A new study has identified a brain connectivity variate that predicts psychiatric disorders in adolescents. The finding provides evidence for a transdiagnostic brain-based measure underlying individual differences in developing psychiatric disorders in early adolescence.

SourceElsevier·JournalBiological Psychiatry·TypeImaging analysis·DateNov 9, 2023

Incheon National University researchers push the limits of gas sensing technology

The researchers propose a hybrid organic–inorganic gas sensor design that enhances gas sensing performance while maintaining sensing speed. The proposed design outperforms conventional sensors in terms of chemical sensitivity to NO2, showcasing impressive durability and higher potential for long-term installation.

SourceIncheon National University·JournalChemical Engineering Journal·TypeExperimental study·DateNov 9, 2023