A new model explains how extremely massive stars (EMS) forged the chemistry of globular clusters, the ancient archives of the universe. EMSs release powerful stellar winds that mix with surrounding gas to form chemically distinct stars.
A team from the University of Barcelona identified genetic mechanisms involved in the degradation of the vestibular system caused by ototoxic compounds. The results could help improve diagnosis and treatment of chronic vestibular ototoxicity and related pathologies.
The study reveals that the glucocorticoid receptor forms larger oligomers in the cell nucleus, primarily composed of four subunits, breaking away from traditional models. This discovery opens a crucial avenue for developing more selective drugs to modulate association and minimize adverse effects.
A preclinical study by University of Barcelona reveals a critical metabolic mechanism explaining palbociclib resistance in colorectal cancer cells. Combining palbociclib with telaglenastat inhibits cancer cell proliferation and avoids resistance, offering a promising clinical treatment proposal.
A new study by University of Barcelona researchers describes a strategy to enhance neuronal regeneration and neuroplasticity using brain-derived neurotrophic factor (BDNF) combined with stem cell-based cell therapies. This approach has the potential to treat neurodegenerative diseases or brain injuries.
Researchers found that an island spider species, Dysdera tilosensis, has reduced its genome by half through adaptation to its habitat. Despite this, the species exhibits greater genetic diversity than a continental counterpart, challenging traditional views on genome size evolution.
Researchers found that combination of drugs effectively reduce fat accumulation in laboratory animal models of metabolic liver disease. The study suggests that this combination may also help reduce both liver involvement and associated cardiovascular complications.
The article highlights the critical functions of ten groups of plant hormones in responding to drought conditions and facilitating plant survival. Key hormone groups include auxins, cytokinins, gibberellins, abscisic acid (ABA), ethylene, salicylates, jasmonates, brassinosteroids, peptide hormones, and strigolactones.
Researchers developed a new framework that significantly improves the resolution of complex differential equations. The study uses innovative techniques such as Multi-Head training and Unimodular Regularization to tackle stiff equations, enabling scientists to recover unknown physical functions from synthetic data.
The discovery of the first Mesozoic amber deposit with preserved insects in South America reveals a tropical rainforest with ferns, cycads, and angiosperm plants. The study provides new insights into the rich biodiversity and Cretaceous ecosystems in the southern hemisphere.
A study published in the Journal of Clinical Nursing found that better quality care can significantly reduce feelings of coercion and humiliation in mental health units. The study highlighted the importance of respecting patients' privacy and dignity, as well as providing emotional support and discharge planning.
A Mediterranean-style diet has been found to improve intestinal function and mucosal immunity, preventing fat accumulation and optimizing microbiota composition. This diet also helps reduce the incidence and severity of infections in babies.
A study published in PNAS reveals that hybridization between the two species has been crucial to the survival of the Balearic shearwater, a critically endangered seabird. Hybridization introduces genetic diversity and adaptive potential, benefiting small and threatened populations.
The study found that most plastic bottles and caps on Pacific coast beaches in Central America originated from local companies, while Asian origin bottles were more common on island coasts. The research sampled over 12,000 kilometers of coastline and collected over 92 mainland beaches, 15 island beaches, and 38 human settlements.
Researchers have created a detailed catalogue of 332 Antarctic submarine canyon networks, identifying five times as many canyons as previous studies. The new map reveals striking differences between East and West Antarctica's canyon systems, which may influence global climate change.
A study led by Lluís Fuentemilla identified a new key mechanism in human memory formation, where brain waves mark and organize events to convert them into memories. The findings suggest coordination between the hippocampus and neocortical regions, highlighting the importance of segmentation and structuring in memory formation.
A team of scientists presents a revolutionary theory about the origins of the Universe, proposing that gravity and quantum mechanics are sufficient to explain its structure. The new model relies on natural quantum fluctuations in space-time and gravitational waves to seed density differences that led to galaxy formation.
A new study published in Geology analysis the body profiles of organisms from around 545 million years ago and suggest that the Cambrian explosion may have happened much earlier than estimated. The researchers found that organisms with slender body profiles thrived during this period, indicating a level of complexity and adaptability t...
Researchers used BERT and RoBERTa AI models to detect personality traits from written texts, analyzing the influence of linguistic elements on predictions. The study highlights the limitations of the Myers-Briggs Type Indicator model and demonstrates the potential for more natural and less intrusive assessment methods.
A new study explores how heaviest particles interact in hot, dense environments similar to the primordial universe. Researchers found that these interactions are crucial for accurately interpreting data from experiments at large scientific infrastructures like LHC and RHIC.
The study identified DNA regions and key genes that activate liver regeneration, revealing similarities with embryonic development. Researchers discovered that regeneration involves the repression of enhancers regulating specific metabolic functions, while transcriptional regulators like AP-1, ATF3, and NRF2 orchestrate the process.
A study published in Nucleic Acids Research uncovers the molecular mechanisms behind cohesin's formation of DNA loops and its interaction with transcription factors. This knowledge will aid in understanding rare diseases such as Cornelia de Lange syndrome, which affects gene expression and organ development.
A new study reveals that silencing the RTP801 protein in astrocytes can restore brain network connectivity and improve GABA production, potentially reversing some of the damage in Alzheimer's disease. The findings suggest a potential therapeutic target for treating the neurodegenerative disorder.
A study found that GADD45A protein plays a crucial role in preventing inflammation, fibrosis, and apoptosis in the heart. Increasing GADD45A activity may slow the progression of pathological hypertrophy and heart failure, offering a promising therapeutic strategy.
Children of people with schizophrenia or bipolar disorder have a higher risk of developing psychopathology compared to those without these conditions. The study highlights factors that mitigate this risk, such as better parental psychosocial functioning and socioeconomic status.
Researchers have repositioned allopurinol to treat Marfan syndrome, a chronic debilitating disease affecting the cardiovascular, skeletal, and ocular systems. Treatment with allopurinol has shown to halt and prevent aneurysm progression and occurrence.
A new breakthrough in photopharmacology has been achieved with the design of a wireless capable of remotely activating a photoactivable drug. The device demonstrates efficacy in treating pain and opens up new perspectives for designing safer and more effective analgesic treatments.
A comprehensive study analyzes over 1,346 migratory movements of 805 individuals from 34 breeding colonies. The research reveals that the three shearwater species mostly preserve their migratory identity while showing gene flow between populations.
A study led by Paolo Padoan reveals that young stars gain material from their surroundings through Bondi-Hoyle accretion, making planetary disks larger and more durable. This revised understanding resolves long-standing observational discrepancies and forces substantial revisions to current models.
The University of Barcelona team has identified the mechanism by which alginate lyase enzymes degrade marine biomaterials, enabling tailored alginates for biomedical and food industries. The study's findings will facilitate efficient production and optimize natural resource usage.
A study by the University of Barcelona reveals that dynamic BH3 profiling can predict the effectiveness of ALK inhibitors in treating non-small cell lung cancer. The technique helps select the best drug for each patient, overcoming tumour adaptations to inhibitors.
A new compound has been discovered that shows neuroprotective and anti-inflammatory effects in two murine models of Alzheimer’s disease. The compound inhibits soluble epoxide hydrose (sEH), increasing levels of epoxyeicosatrienoic acids, which promote neuroprotection and reduce neuroinflammation.
The study reveals that the non-breeding population plays a key regulatory role in the eagle population, stabilizing the breeding population and helping to expand it. The methodology provides robust estimates of demographic processes, allowing for more effective conservation strategies.
Researchers from University of Barcelona develop reliable methods to detect food fraud in virgin olive oil and pine nuts, using stable isotope analysis and sesquiterpene fingerprinting. These techniques show high accuracy in distinguishing between authentic and counterfeit products.
A decade after transplantation, red coral colonies have survived and contributed to the recovery of the coral reef ecosystem. The transplanted colonies have assimilated into natural communities, demonstrating the effectiveness of restoration actions in mitigating climate change impacts.
A team of researchers has identified 167 objects at the bottom of the Calypso Deep, a 5,112-metre-deep depression in the Ionian Sea, with 148 being marine debris and 19 of possible anthropogenic origin. The study highlights the need for global policy actions to reduce ocean waste and changes in citizens' consumption habits.
A research study led by Hamza Benattia Melgarejo has uncovered the first Bronze Age settlement in the Maghreb, dating back to between 2200 and 600 BC. The excavations at Kach Kouch, Morocco reveal a human occupation with distinct phases of settlement, showcasing a thriving agricultural economy based on crops like barley and wheat.
A new model developed by researchers at the University of Barcelona accurately predicts how elite athletes move to catch a moving object just from an initial glance. The model integrates prior knowledge of gravity and physical size into visual information, allowing for precise predictions of trajectory and time until impact.
A study published in Cell Communication and Signaling describes new molecular mechanisms underlying insulin resistance in skeletal muscle. The research reveals that PPARβ/δ regulates InsRβ protein levels by reducing lysosomal activity and EphB4 levels, offering potential drug targets for type 2 diabetes.
A University of Barcelona team has described the creation of regular black holes from gravitational effects without exotic matter. The study simplifies conditions necessary for regular black holes and provides a mechanism to resolve singularities in general relativity.
A new evolutionary framework called “less, but more” extends the previous model in terms of the importance of gene loss as an evolutionary driving force. Gene loss reduces the number of FGF growth factor gene families from eight to two, which then double over evolution to generate a total of ten genes.
A study of over 240,000 women found that those with endometriosis were more likely to report experiencing traumatic events, such as physical abuse or sexual assault. The research suggests that childhood and adult trauma may contribute to the pathogenesis of endometriosis through mechanisms independent of genetic predisposition.
A study found that maternal stress can alter genes related to cortisol regulation in the placenta, potentially affecting foetal development. The research team analyzed placentas from 45 healthy pregnant women and identified epigenetic changes associated with glucocorticoid-related genes.
A new compound, MRS7787, has been shown to treat psoriasis in an animal model with anti-inflammatory effects. The therapy is activated by blue light and opens new avenues for multimodal treatment, especially for treatment-resistant cases.
Researchers identified a deficit in contrast perception among people with schizophrenia, which affects identifying shapes, textures, and details. Further studies are needed to confirm this relationship and explore the role of medication and other factors.
A new experimental system designed by a team from the University of Barcelona allows students to study phenomena unique to quantum mechanics, such as Bell inequalities and entangled systems. The system enables direct measurements of quantum entanglement, facilitating a deeper understanding of this unintuitive phenomenon.
Researchers used smartwatch data to train AI models predicting psychiatric illnesses like ADHD and anxiety. The findings link digital phenotypes with genotypes, suggesting wearable sensors can provide a deeper understanding of psychiatric diseases. The approach may be widely applicable for neurological diseases or neurodegeneration.
A University of Barcelona team has identified a molecular mechanism that could lead to new strategies for eliminating senescent cells in cancer patients. By analyzing human senescent cells in a melanoma tumor model, the researchers found that BCL-2 family proteins play a key role in senescence survival.
The study found three psychological profiles associated with different patterns of cognitive and brain decline in ageing. A 'well-balanced' profile is linked to better cognitive and mental health, while low levels of protective characteristics are linked to poorer cognition and brain atrophy.
A multicentre study published in European Heart Journal found that moderate wine consumption is associated with a lower risk of cardiovascular complications. The study, which analysed data from over 1,200 participants, suggests that light and moderate wine consumption can reduce the risk of cardiovascular events by up to 50%. However, ...