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Science News Archive April 2025 - Page 20


Page 20 of 51

Ursolic acid modulates estrogen conversion to relieve inflammation in metabolic dysfunction-associated steatotic liver disease via HSD17B14

Researchers investigated the therapeutic mechanisms of ursolic acid on metabolic dysfunction-associated steatotic liver disease. Ursolic acid was found to reduce inflammation by modulating estrogen conversion via HSD17B14, a crucial enzyme regulating estrogen balance.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Hepatology·DateApr 21, 2025

Omnivorous? Vegan? Makes no difference to muscle building after weight training, study finds

A new study by University of Illinois researchers found that a balanced vegan diet has no effect on muscle protein synthesis or muscle gain compared to an omnivorous diet. Protein distribution throughout the day also made no difference in muscle building, contrary to previous assumptions.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalMedicine & Science in Sports & Exercise·TypeRandomized controlled/clinical trial·DateApr 21, 2025

Neolithic agricultural revolution linked to climate-driven wildfires and soil erosion - new study finds

A new study reveals that the Neolithic Revolution in the southern Levant was triggered by catastrophic wildfires and climate-driven soil erosion, forcing early communities to adopt agriculture. Fertile soils formed in valley basins after hillslope degradation became hotspots for settlement and farming.

SourceThe Hebrew University of Jerusalem·JournalJournal of Soils and Sediments·TypeExperimental study·DateApr 20, 2025

Female children may face greater emotional and immune challenges from prenatal stress, study finds

A new study found that prenatal stress alters the expression of tiny RNA molecules in newborn blood, particularly in female children, affecting key enzymes in the brain's stress-regulation system. This may explain why some children are more vulnerable to developmental or psychiatric challenges.

SourceThe Hebrew University of Jerusalem·JournalMolecular Psychiatry·TypeExperimental study·DateApr 20, 2025

High-fat, high-sugar diets impact cognitive function

Research from the University of Sydney finds that high-fat, high-sugar diets can impair brain function, specifically location memory and spatial navigation. Participants who consumed fewer fatty and sugary foods were better able to navigate virtual reality mazes and recall locations.

SourceUniversity of Sydney·JournalInternational Journal of Obesity·TypeExperimental study·DateApr 20, 2025

Synergistic sites over the ZnxZrO catalyst for targeted cleavage of the C–H bonds of ethane in tandem with CO2 activation

A new ZnxZrO catalyst selectively cleaves ethane's C–H bonds while efficiently activating CO2, enabling an eco-friendly ethylene production process. This breakthrough enhances carbon neutrality initiatives and establishes sustainable chemical production systems.

Cellular pathways and treatment frontiers of achondroplasia

Achondroplasia stems from FGFR3 gain-of-function mutations disrupting skeletal development, leading to stunted growth, skeletal deformities, and joint complications. Emerging therapies target the FGFR3 pathway with biological drugs, small molecule inhibitors, gene-editing technologies, and downstream signaling compounds.

SourceCompuscript Ltd·JournalGenes & Diseases·DateApr 20, 2025

Pump-induced stimulated superradiant Smith-Purcell radiation with ultra-narrow linewidth

Scientists have created a compact device that enables ultra-narrow spectral linewidth of superradiant Smith-Purcell radiation, overcoming limitations in free electron accelerators. The device, called pump-induced stimulated S-SPR (PIS-SPR), uses a three-section system to pre-bunch electrons and emit radiation at a specific frequency.

Coupling dye and fiducial marking of pulmonary nodules

Researchers developed a new technique using indocyanine green-soaked fiducial markers (ICG-F) to mark peripheral pulmonary lesions before surgery. The study found that this approach improved the accuracy of surgical resection, resulting in smaller and lighter resected specimens compared to unmarked lesions.

SourceSutter Health·JournalCHEST Pulmonary·DateApr 19, 2025

Father’s mental health can impact children for years

Research from Rutgers Health finds that children exposed to paternal depression at kindergarten entry are more likely to have behavioral difficulties and poor social skills at age 9. Fathers' mental health is crucial in supporting their children's development, and early intervention can help improve well-being for both parents and kids.

SourceRutgers University·JournalAmerican Journal of Preventive Medicine·TypeData/statistical analysis·DateApr 19, 2025

Unlocking the genetic basis of adaptive evolution: study reveals complex chromosomal rearrangements in a stick insect

Researchers used phased genome assemblies to show complex chromosomal rearrangements are key drivers of repeated adaptive evolution in a stick insect. The study found that millions of DNA bases were flipped backwards and moved within chromosomes, independently in populations on different mountains.

SourceUtah State University·JournalScience·TypeData/statistical analysis·DateApr 18, 2025

Monell Center study identifies GLP-1 therapies as a possible treatment for rare genetic disorder Bardet-Biedl syndrome

A Monell Center study found that GLP-1 receptor agonists can effectively manage metabolic complications associated with Bardet-Biedl Syndrome, a rare genetic disorder characterized by early-onset obesity and cognitive impairments. The therapy significantly reduced food intake, caused weight loss, improved glucose tolerance, and normali...

SourceMonell Chemical Senses Center·JournalJournal of Clinical Investigation·TypeExperimental study·DateApr 18, 2025

Turning down starlight to spot new exoplanets

Researchers develop a new coronagraph that can detect exoplanets obscured by light from their parent stars, providing insights into the possibility of life beyond Earth. The device uses spatial mode sorters to isolate and eliminate starlight, capturing images of exoplanets with unprecedented sensitivity.

SourceOptica·JournalOptica·DateApr 18, 2025

Research Spotlight: Using artificial intelligence to reveal the neural dynamics of human conversation

Researchers investigated how brains process language during real-life conversations, employing AI to analyze neural activity and linguistic features. They found that speaking and listening engage widespread networks of brain areas in the frontal and temporal lobes, with highly specific patterns changing depending on words and context.

SourceMass General Brigham·JournalNature Communications·TypeObservational study·DateApr 18, 2025

Uncovering the structural and regulatory mechanisms underlying translation arrest

Two previously unknown ribosome-arresting peptides (RAPs), PepNL and NanCL, were identified in E. coli, inducing translation arrest through a unique mini-hairpin conformation in the exit tunnel of the ribosome. This discovery provides valuable insights into deciphering the hidden genetic codes within polypeptide sequences.

SourceOkayama University·JournalNature Communications·TypeExperimental study·DateApr 18, 2025

Q&A: What makes an ‘accidental dictator’ in the workplace?

A leadership trap known as the 'accidental dictator' can be avoided by embracing circumscribed empowerment, shared vision, and long-term perspective. Leaders must empower their team members within defined boundaries, engage them in the process of creating a shared vision, and prioritize a long-term perspective to build effective teams.

SourcePenn State·JournalOrganizational Dynamics·DateApr 18, 2025

Focus on sanitation and clean water may improve control of endemic cholera

A new study models cholera transmission after interventions in the Democratic Republic of the Congo, highlighting the importance of environmental reservoirs in maintaining endemic diseases. The research suggests that vaccination may have a smaller impact on preventing transmission compared to water, sanitation, and hygiene improvements.

SourcePenn State·JournalPLOS Neglected Tropical Diseases·TypeData/statistical analysis·DateApr 18, 2025

Rise in claim denial rates for cancer-related advanced genetic testing

Researchers at Georgetown University found that claim denials for cancer-related advanced genetic testing increased between 2016 and 2021, despite a recent Medicare national coverage determination. The study analyzed nearly 30,000 claims filed by over 25,000 unique Medicare beneficiaries and suggests uncertainty remains around coverage...

SourceGeorgetown University Medical Center·JournalJAMA Network Open·TypeData/statistical analysis·DateApr 18, 2025

Colder temperatures increase gastroenteritis risk in Rohingya refugee camps

A new study by Hokkaido University found that colder temperatures significantly increase the risk of gastroenteritis among Rohingya refugees in Bangladesh's Kutupalong and Nayapara camps. The study reveals a link between temperature changes and gastroenteritis risk, with both extreme cold and heat contributing to higher numbers of cases.

SourceHokkaido University·JournalJAMA Network Open·TypeData/statistical analysis·DateApr 18, 2025