Researchers at Uppsala University and Chinese Academy of Sciences estimated the potential distribution of the endangered Rufous-headed Robin, suggesting it might be larger than previously believed. The study also analyzed DNA and found the bird's closest relative is the Rufous-tailed Robin.
A study published in Cell Reports found that glioblastoma cells with different resistance levels to therapy and radiation are linked to disease outcomes. Researchers identified a continuum of cells with varying resistance levels, which may enable the development of targeted therapies.
Researchers at Uppsala University have developed a new method of antibody-based immunotherapy that targets tumor cells with minimal impact on other parts of the body. This alternative strategy has shown promising results in stimulating immune cells to attack and destroy cancer cells, potentially reducing adverse events.
A genetic difference in the FADS1 gene affects levels of LDL- and HDL-cholesterol, as well as the risk for allergies, inflammatory diseases, and certain types of cancer. This imbalance is thought to have evolved over time due to changes in human diet.
A study published in Scientific Reports found that conservation-sensitive Australasian marsupials are much older than previously thought, with some species dating back over 25 million years. The research suggests that these ancient animals were able to adapt to changing environments and survive climate change.
Researchers from Uppsala University developed computational tools to predict large-scale collective motion in simulated mass gatherings. They found that densely packed crowds are at risk of emergent structural mechanisms leading to disasters.
An international team of researchers visualized the process by which plants split water to produce oxygen using X-ray free-electron laser technology. This breakthrough enables the study of oxygen molecule formation and paves the way for the development of efficient clean hydrogen fuel devices.
A Swedish study explores how everyday domestic cooking relates to masculinity, finding that it serves as a means of appreciation, self-fulfillment, and social connection. Cooking is seen as a key aspect of male homosociality and fathering responsibilities, with men valuing the act of cooking as much as sharing meals.
Researchers at Uppsala University discovered that Upsalite has strong bacteriostatic effect on Staphylococcus epidermidis, an opportunistic bacterium causing hospital-acquired infections and acne. This finding opens up possibilities for development of materials inhibiting bacterial growth without antibiotics.
Research reveals that childhood brain tumors originating from undifferentiated stem cells are more frequent and aggressive than those from oligodendrocyte precursor cells. Tumor cells from stem cells also show increased susceptibility to cancer drugs, according to a new study published in Cancer Research.
New study discovers higher latitude ecosystems recovered rapidly after the Permian-Triassic boundary, which marked the World's most cataclysmic extinction event. The finding sheds light on the global extinction process and ecosystem recovery at higher latitudes.
A team of researchers has found a new explanation for how big magma chambers form in the Earth's crust. They propose that rock fragments from the roof of magma chambers are expelled, like popcorn thrown out of a hot pan, and then float to the top of magma chambers due to boiling gases.
Researchers at Uppsala University developed a new approach to study cancer cells' reactions to treatments, enabling the identification of promising drug combinations. 3D tumor models mimic real-world conditions, where cancer cells have limited access to nutrients and oxygen.
A new study found that curtailing sleep for four hours a night altered the abundance of bacterial gut species in healthy men, previously associated with metabolic diseases. Insulin sensitivity also decreased, but this was unrelated to changes in gut microbiota.
New fossil discovery in China reveals that the jaw bones of modern humans and bony fishes are linked to the ancient armoured fish placoderms. The findings provide a significant clue on how our jaws evolved, suggesting substantial parts of human anatomy can be traced back to these early creatures.
A team of researchers used synchrotron x-ray tomography to study a 424 million-year-old fossil fish's jawbone, providing new insights into the origin of tooth replacement. The findings suggest that the process evolved independently in two different groups of early vertebrates, using distinct mechanisms.
Researchers from Uppsala University have analyzed crystals from recent eruptions to understand magma plumbing systems beneath Mt. Cameroon volcano. The findings suggest that shallow magma pockets play a crucial role in priming the volcano for eruption, increasing the likelihood of explosive eruptions.
Graphene reacts with formic acid in a water solution upon irradiation with visible light, producing hydrogenated graphene. This environmentally friendly method has potential applications in fields such as hydrogen storage and electronics.
A new study reveals that Caenorhabditis elegans roundworms have the ability to produce chondroitin sulfate, a crucial carbohydrate molecule. This discovery opens up new avenues for research into early embryonic development and cell division processes.
Research finds climate change denial correlates with political orientation, authoritarian attitudes, and a tough-minded personality. Climate change is often framed as a threat to the poor or weak, which may not be convincing for those who prioritize hierarchical power structures.
Researchers at Uppsala University sequenced the genomes of 11 flycatchers, estimating the mutation rate in birds for the first time. The study found that more common species have lower mutation rates.
A new study from Uppsala University found that biobank storage time is a crucial factor in medical research, rivalling the importance of blood donor age. The researchers analyzed 380 samples from 106 women, isolating the impact of storage time to show its significant influence on test results.
A commonly used cell line, U87MG, was found to have a different DNA profile than the original tumour it was established from. Genetic analysis revealed that the cell line likely originated from a human glioma tumour, highlighting the need for proper identification of cultured cells.
Researchers at Uppsala University have shown that disrupting fear-memories can improve exposure therapy for arachnophobia. This method, known as reconsolidation disruption, makes the memory unstable and then saves it in a weakened form.
Researchers uncover complex mechanism behind TGFβ's dual effect on tumors, revealing potential target for selective inhibition. The study reveals how TGFβ and Ras interact with p53 family members to stimulate tumor growth and metastasis.
A large population-based study from Uppsala University found a strong correlation between linoleic acid in adipose tissue and lower mortality among older men. The study suggests that consuming more polyunsaturated fats may reduce the risk of premature death.
Upsalite's pore size control allows for tuning of amorphous phase stabilization and release rate of poorly soluble drugs like itraconazole. This breakthrough simplifies the synthesis of mesoporous materials, enabling industrial up-scaling.
Researchers found that daytime bright light exposure reduces the negative impact of evening blue light screen use on sleep. The study, published in Sleep Medicine, involved young adults who used self-luminous tablets for two hours after a day of outdoor activities or office lighting.
Magma-limestone interaction may help explain why volcanoes like Vesuvius are particularly explosive, as it releases CO2 that contributes to Earth's carbon cycle. The process also triggers extreme behavior in volatile elements, potentially driving eruptions and affecting the planet.
New data from the Uppsala Conflict Data Program reveals that fatalities in organized violence decreased to less than 118,000 in 2015, ending an alarming trend of increases since 2011. The rise in conflicts involving states and non-state actors continued, driven by the civil war in Syria.
A study found that isolated Cape honeybees in South Africa reproduce asexually, with female workers laying eggs fertilized by their own DNA. This unique behavior is linked to genetic differences at several genes, enabling social parasitism and population survival.
Larval fish exposed to microplastic particles displayed changed behaviors, such as ignoring natural food sources and failing to respond to predators. This led to increased mortality rates and potentially severe consequences for marine ecosystems.
Researchers at Uppsala University found that men with Y chromosome loss in blood cells are at higher risk of developing Alzheimer's disease. The study, published in the American Journal of Human Genetics, suggests a potential simple test to identify those at risk.
A simple paper sheet can remove resistant viruses from water, improving access to safe drinking water for millions. The mille-feuille filter uses cellulose nanofibers and has a unique layered internal architecture.
A new study published in Neurobiology of Aging found that shift workers performed worse on a cognitive test compared to non-shift workers. Those who had quit shift work for more than five years showed similar results to non-shift workers.
Scientists have identified a modifier gene that affects the risk of developing Canine Degenerative Myelopathy (DM), a disease similar to ALS in humans. Genome-wide association analysis revealed a haplotype within the SP110 nuclear body protein gene associated with increased DM risk.
A recent study by Uppsala University researchers found that genetic analyses in dogs can identify genes linked to human brain tumors, specifically gliomas. The study identified three genes associated with glioma development in dogs, which are also present in humans and show reduced activity in tumor tissue.
A recent study by Uppsala University researchers reveals that same-sex sexual behavior (SSB) is more common than thought and may have benefits in the opposite sex. SSB was found to increase reproductive performance in siblings of the opposite sex, suggesting a genetic mechanism driving its prevalence across various animal species.
Researchers have identified gene variants associated with a serious adverse reaction to antithyroid drugs used for hyperthyroidism treatment. The study found that certain immune genes increase the risk of agranulocytosis, a life-threatening condition.
A team of scientists has identified a gene, HMGA2, that explains variation in beak size among Darwin's finches. The gene contributed to a rapid shift in beak size following a severe drought, enabling the medium ground finch to adapt and survive.
A new type of transposable element was discovered in certain bird genomes, which also occurred in nematode worms that are human parasites. The finding reveals that these modern human parasite species were birds from 25-17 million years ago.
A study of 140,600 individuals from the Utah Population Database found that lowered birth rates contribute to women's longer lifespan compared to men. The research suggests that reduced reproduction costs in females benefit their lifespan.
A new biomarker-based tool, 'ABC risk score,' allows for personalized treatment to prevent strokes with minimal bleeding complications. The app is available as a web-based instrument and will soon be available as an app.
By regulating protein complexes in blood vessel walls, researchers have identified a method to suppress leakage and edema formation. This discovery may lead to improved cancer therapy by allowing drugs to reach tumors more effectively and reducing metastatic spread.
Research by Uppsala University and colleagues found that small passerine birds have ultra-rapid vision, with some species able to detect changes at rates of up to 146 Hz, outpacing human vision by 50 Hz. This fast vision is thought to be an evolutionary adaptation for detecting moving insects.
Researchers at Uppsala University quantify selective forces shaping bacterial genomes, discovering that small changes in fitness can be selected against. They find that changing even a single codon reduces the fitness of bacteria by 0.01 procent per generation.
Researchers found that Japanese great tits use specific rules to combine calls and convey compound messages, demonstrating non-human syntax. The study suggests that syntax may be a general adaptation to social complexity in communication systems.
Researchers at Uppsala University have developed a new PET imaging method that uses monoclonal antibodies to provide more precise information on the brain than traditional radioactive tracers. The method has shown high specificity and can monitor the progression of Alzheimer's disease, allowing for better assessment of medication effects.
New research from Uppsala University shows that organisms can quickly compensate for the negative effects of synonymous mutations by introducing new mutations. This study provides insights into why these mutations are detrimental to bacterial growth and survival.
An international team discovered how microorganisms, the Hadesarchaea, survive without oxygen and light, using carbon monoxide to gain energy. This finding expands our understanding of archaea that thrive in deep biosphere environments.