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Science News Archive November 2021 - Page 18


Page 18 of 40

UTSW study finds Hispanic people receive lower-quality thrombectomies than white people

A recent UTSW study found that Hispanic ischemic stroke patients receive lower-quality thrombectomies than their white counterparts, with similar outcomes observed between Black and white patients. This disparity highlights the need for targeted interventions to improve access to high-quality stroke treatment for underserved populations.

SourceUT Southwestern Medical Center·JournalJournal of Stroke and Cerebrovascular Diseases·DateNov 16, 2021

UCI-led team develops new screening process, could lead to next-generation therapeutics for a broad spectrum of diseases

A UCI-led team has developed a high-throughput screen methodology to identify compounds that affect the functional role of Rh, a key G protein-coupled receptor. The study reveals new allosteric modulators that can alter rod light response kinetics or reduce rod sensitivity, paving the way for next-generation therapeutics.

SourceUniversity of California - Irvine·JournalJournal of Biological Chemistry·TypeExperimental study·DateNov 16, 2021

Oncotarget: The antitumoral effects of chemerin

Researchers discovered chemerin, a multifunctional protein, has antitumoral properties in mouse models of cancer. Bioactive chemerin overexpression inhibits neoangiogenesis, a process distinct from normal tissue vasculature. This effect may provide a therapeutic application for targeting solid tumors.

SourceImpact Journals LLC·JournalOncotarget·DateNov 16, 2021

Machine learning IDs mammal species with the potential to spread SARS-CoV-2

A new study used machine learning to predict the zoonotic capacity of 5,400 mammal species, identifying those at high risk of transmitting SARS-CoV-2. The model, which combined data on biological traits with ACE2 receptor information, predicted 72% accuracy and identified numerous additional species with potential to transmit the virus.

SourceCary Institute of Ecosystem Studies·JournalProceedings of the Royal Society B Biological Sciences·TypeComputational simulation/modeling·DateNov 16, 2021

Physicists reveal non-reciprocal flow around the quantum world

Physicists from Exeter and Zaragoza develop a theory to engineer non-reciprocal flows of quantum light and matter, paving the way for novel devices with directional character. This breakthrough may lead to the creation of quantum technologies requiring efficient, directional energy transfer.

SourceUniversity of Exeter·JournalProceedings of the Royal Society A Mathematical Physical and Engineering Sciences·DateNov 16, 2021

Alterations caused by ALS detected in the retina

Researchers at Universidad Complutense de Madrid have discovered alterations caused by ALS in the retina, which can be used as biomarkers for diagnosis and treatment monitoring. The study found changes in microglial cells and ganglion cell loss, with modifications evolving over the course of the disease.

SourceUniversidad Complutense de Madrid·JournalNeural Regeneration Research·TypeExperimental study·DateNov 16, 2021

Finding tipping points in the climate of the past

Researchers developed an automated method to detect and date abrupt climate events in paleoclimatic data, facilitating the study of climate tipping points in the past. The new tool can help establish chronology of close events and eliminate uncertainties during comparisons of different paleo records.

SourceUniversity of Copenhagen - Faculty of Science·JournalChaos An Interdisciplinary Journal of Nonlinear Science·TypeData/statistical analysis·DateNov 16, 2021

Study tackles reducing bladder cancer recurrence

A new study by the Regenstrief Institute found that lack of protocols or standard operating procedures in the recovery room is a significant barrier to administering post-operative chemotherapy to reduce bladder cancer recurrence. The researchers identified 58 Michigan urologists who reported this as a major obstacle, emphasizing the n...

SourceRegenstrief Institute·JournalThe Journal of Urology·DateNov 16, 2021

Fishing for solutions to the plastic problem

A University of Adelaide study reveals that over 35% of fish caught off southern Australia contain microplastics, with the problem being most acute in South Australia. Simple actions like replacing plastic fishing equipment and using biodegradable bags can quickly reduce plastic pollution in the ocean.

SourceUniversity of Adelaide·JournalMarine Policy·TypeMeta-analysis·DateNov 16, 2021

The prostate cancer cell that got away

Researchers have developed a new approach to studying prostate cancer, allowing them to track the behavior of individual cancer cells from birth to organ spread. The technique uses whole-organ imaging and artificial intelligence to create a 3D reconstruction of the organ at single-cell resolution.

SourceCold Spring Harbor Laboratory·JournalCell Reports·DateNov 16, 2021

Gwangju Institute of Science and Technology makes breakthrough on new electronic material

Researchers at GIST have made a breakthrough in creating a perovskite material with easily tunable electrical properties. The study used ambient pressure X-ray photoelectron spectroscopy and low energy electron diffraction to investigate the effects of fabrication conditions on the material's surface.

SourceGIST (Gwangju Institute of Science and Technology)·JournalJournal of Materials Chemistry C·TypeExperimental study·DateNov 16, 2021

Lundquist Institute investigator is lead author on a JAMA open network publication that positively evaluates EyeArt AI system to prevent diabetic vision loss

A recent study published in JAMA Open Network evaluates the performance of the EyeArt AI system, detecting diabetic retinopathy with high sensitivity and specificity. The results demonstrate the ability to accurately detect vision-threatening diabetic retinopathy without physician oversight, facilitating efficient diabetic eye exams.

SourceThe Lundquist Institute·JournalJAMA Network Open·TypeRandomized controlled/clinical trial·DateNov 16, 2021

Genomic alterations in advanced cancers reveal interactions with therapy

Researchers at Baylor College of Medicine identified over 300 genes with altered expression in advanced cancers due to genomic structural variations. The study found associations between tumor genomic rearrangements and altered metabolism-associated gene expression, suggesting potential mechanisms for therapy resistance. These findings...

SourceBaylor College of Medicine·JournalCell Reports·TypeData/statistical analysis·DateNov 16, 2021

Climate and agriculture in the Mediterranean: less water resource, more irrigation demand

A Mediterranean region study predicts increased crop water demands due to worsening climate conditions, affecting staple crops like maize and wheat. The findings highlight the need for precision agriculture and water management strategies to balance economic growth and environmental sustainability.

SourceCMCC Foundation - Euro-Mediterranean Center on Climate Change·JournalAgricultural Water Management·DateNov 16, 2021

How thinking like a watershed system can help save Narragansett Bay

A new study from UMass Amherst suggests that changing land-use patterns in the greater Narragansett watershed can help mitigate the effects of climate change. The research found that expanding forest cover and investing in green infrastructure, such as rain gardens and living roofs, can reduce surface runoff and nutrient loading.

SourceUniversity of Massachusetts Amherst·JournalScience of The Total Environment·DateNov 16, 2021

Study shows immune cells against COVID-19 stay high in number six months after vaccination

Researchers found that CD4+ T lymphocytes — immune system cells — produced by people who received COVID-19 vaccines persisted at high levels six months after vaccination, with a significant response against the delta variant. The study also showed that vaccine-elicited fighters recognize and help attack coronavirus delta variant.

SourceJohns Hopkins Medicine·JournalClinical Infectious Diseases·DateNov 16, 2021