Researchers identified a signaling pathway in liver cells that contributes to fatty liver disease in obesity. The study found that increased Fas content leads to liver steatosis and insulin resistance, while low BID content protects against fatty liver development.
Researchers from University of Zurich investigate role of biodiversity in real-world ecosystems, finding diverse landscapes produce more biomass and adapt better to climate change. The analysis of 450 landscapes across Switzerland revealed a positive correlation between biodiversity and annual growing period length.
Researchers have successfully decoded the complex genome of finger millet, a staple food in India and Africa, revealing over 62,300 genes. The new data holds promise for improving crop resilience to drought and enhancing nutritional content, addressing food security concerns globally.
A study by researchers at the University of Zurich found that chronic lack of sleep leads to increased risk-taking behavior in young adults. After sleeping only 5 hours a night for a week, participants displayed significantly riskier behavior, including taking greater financial risks.
Researchers at the University of Zurich discovered that malaria was already widespread on Sardinia in the Roman period, contradicting previous assumptions. Genetic adaptations, such as thalassemias, played a crucial role in protecting against malaria, with some individuals leading healthy lives while being immune to infections.
Researchers discovered a massive predatory fish species called Birgeria americana in Nevada's Early Triassic fossils, rewriting the history of apex predators. The find shows that marine ecosystems recovered faster than previously thought, and temperature conditions were suitable for life near the equator.
Tumor cells develop resistance to immunotherapy by downregulating MHC class I molecules and triggering immunosuppressive processes. Inhibiting the epigenetic control protein Ezh2 improves treatment efficacy, leading to increased tumor mass shrinkage and extended tumor-free survival.
Researchers found that hematopoietic stem cells can directly detect bacterial infections and begin dividing without signals from growth factors. This reaction damages the cells' regenerative ability, potentially leading to malignant diseases at advanced age.
Researchers found that titanium dioxide nanoparticles can increase inflammation and damage to the intestinal mucosa in mice with colitis. Patients with colitis are recommended to avoid foods containing E171, a food additive made from titanium dioxide.
The CRISPR-Cas system has discovered a new mechanism to defend against viral invaders by producing a signaling molecule that activates an anti-viral enzyme. This discovery reveals similarities between bacterial and human immune systems.
A recent study by UZH neuroeconomists found that generosity increases happiness, regardless of the amount. The researchers discovered that intent alone can trigger a change in brain activity, making people happier before they take action. The study provides insight into the interplay between altruism and happiness.
A recent study by the University of Zurich found that exposure to sialic acid from farm animals can prevent asthma in children. This protective effect is due to an anti-inflammatory response triggered by regulatory T-cells, which dampen incorrect immune responses.
A newly discovered ancient reptile from Switzerland shows its unique scale armor for the first time. The Eusaurosphargis dalsassoi has a life on land skeleton despite being found with fish and marine reptiles.
Research suggests that dysfunctional microglia cells can induce neurodegeneration in Alzheimer's by increasing phagocytosis of β-amyloid peptides, leading to synapse loss. This study provides new insights into the role of microglia cells in neurodegenerative diseases.
Researchers have discovered that Pramel7 protein is responsible for maintaining embryonic stem cells' perfect pluripotency. This discovery holds promise for developing treatments for complex bone fractures.
A recent study reveals that a third of marine megafauna disappeared around three to two million years ago, leading to a significant reduction in species diversity. The loss of functional entities resulted in an erosion of ecological functions, with 17% of total diversity disappearing and 21% changing.
Scientists analyzed historic whale data to identify early warning signals of impending population collapse. They found significant declines in body size and fluctuations in numbers up to 40 years before documented collapses.
The University of Zurich has simulated a gigantic catalogue of 25 billion virtual galaxies from 2 trillion digital particles using the revolutionary code PKDGRAV3. This simulation will help optimize the observational strategy of the Euclid satellite, which aims to investigate dark matter and dark energy.
A University of Zurich study analyzed archived tissues from dog mammary tumors to understand breast carcinoma in both species. The researchers found that tumor cells reprogram healthy cells, promoting tumor growth, a mechanism also observed in human breast carcinoma.
A new mouse model has been created to investigate kidney cancer, allowing researchers to develop better treatments. The model reveals that gene mutations in the primary cilium contribute to renal cell carcinoma's progression.
Researchers found that prolonged maternal stress can alter placental metabolism and accelerate fetal growth, potentially leading to mental or physical illnesses. The study suggests seeking support from a therapist for pregnant women experiencing longer-term stress situations.
Researchers discovered a new gene, Mdmd, which determines male sex in houseflies. The gene is relatively large and similar to CWC22, and its loss leads to 'pregnant' males with mature eggs. This finding demonstrates the evolution of sex determination and has implications for developing sustainable pest control strategies.
Researchers have demonstrated a causal connection between deep sleep and learning efficiency in the human brain. By manipulating deep sleep in targeted brain regions, they found that learning efficiency was blocked when synapses remained maximally excited without recovery.
Researchers have developed a new model to predict the extinction of alpine plants, finding that populations are not adapting quickly enough to climate change. The study shows that even favorable climate scenarios can lead to population decline if warming continues without restraint.
A comprehensive atlas of immune cells in renal cancer has been created, revealing new relationships between immune cells and their role in disease progression. The study identified specific protein structures on the surface of immune cells that can help tailor treatments to individual patients.
Asian elephants are carriers of virus types 1, 4 and 5, while African elephants carry types 2, 3 and 6. The transmission of Elephant Herpes has been largely unknown until now.
The invasive Batrachochytrium salamandrivorans fungus has led to mass mortality of fire salamanders in the Netherlands, Belgium, and Germany. Only 13% of infected salamanders survive over a 10-day period, highlighting the high risk of extinction.
Researchers developed a novel network-based climate stress-test methodology to assess climate risks in investments portfolios, considering policy scenarios. Combined exposures of financial investors' equity portfolios to climate-policy relevant sectors are large, amplifying risk through indirect exposures.
Researchers found that brain stimulation increased honest behavior in people who experienced a moral conflict between material and moral interests. The stimulation mainly reduced cheating in those with strong moral inclinations, but did not affect decision-making process in those committed to maximizing earnings.
Researchers have successfully tested a new drug that considerably weakens the recollection of a negative experience in humans. In the study, participants who received doxycycline beforehand showed a reduction of two thirds in their emotional responses to traumatic stimuli.
Researchers have created a new cellular model to test the efficacy of new gene therapies for Chronic Granulomatous Disease more efficiently, using Crispr/Cas9 technology. The improved method allows for faster and cheaper development of new treatments.
Researchers found that plants pollinated by bumblebees became more fragrant and had larger flowers with greater UV color component. In contrast, plants pollinated by hoverflies were smaller and less fragrant, with increased self-pollination.
A team of researchers has elucidated the molecular architecture of the nuclear lamina in mammalian cells using cryo-electron tomography. The study reveals a 14nm-thick layer with threadlike structures called lamin filaments, which assemble into polymers consisting of type A and B lamin proteins.
Long-term opioid substitution therapy reduces heroin and cocaine consumption among patients with heroin addiction. However, frequent alcohol consumption among these patients has increased, posing a significant health risk due to liver infections like hepatitis B and C.
Researchers found that mammalian cells can respond to changes in gravitational conditions extremely quickly, recovering full function within 42 seconds. This rapid adaptation challenges previous assumptions about cell behavior in space, providing good news for manned space flight.
Researchers have discovered a novel substance that may effectively treat trigeminal neuralgia, a chronic nerve pain condition. The substance, BIIB074, inhibits the sodium channel 1.7, reducing pain intensity without burdening side effects.
Mutations in specific proteins affect tooth enamel formation, leading to increased risk of caries. The study's findings open up new possibilities for preventing caries in patients with defective tooth enamel.
A new study reveals that successful treatment of social anxiety disorder alters key brain structures involved in processing and regulating emotions. Cognitive behavioral therapy, a central therapy for social anxiety disorder, has been shown to restore balance between cortical and subcortical brain areas.
Researchers found that snow voles in Graubünden evolve towards smaller sizes when winters start earlier due to increased food availability. This genetic adaptation helps young voles reach their maximum weight before harsh weather sets in, ensuring their survival.
Researchers discovered LSD alters perception by stimulating serotonin 2A receptors in the brain. This finding may lead to new courses of treatment for psychiatric disorders like depression, addictions, and phobias by enhancing personal relevance.
A study by the University of Zurich found that sleep after a traumatic event can significantly reduce recurring emotional memories and distress. This non-invasive approach may provide an important early prevention strategy for posttraumatic stress disorder (PTSD).
Three researchers were awarded the Brupbacher Cancer Research Prize for their work on epigenetics, which regulates gene activity and is linked to cancer development. The team's findings suggest that epigenetic changes can trigger abnormal gene inactivation in tumor cells.
A recent study reveals that syphilis has re-emerged globally, primarily caused by a pandemic strain cluster named SS14-Ω. This cluster exhibits high levels of antibiotic resistance, particularly to azithromycin, posing a significant public health concern. The researchers hope that their findings will contribute to a better understandin...
Researchers found that IL-12 has a positive effect on skin affected by psoriasis, preventing pathogenic immune cell infiltration and inhibiting inflammatory reactions. The current treatment ustekinumab neutralizes both IL-23 and IL-12, potentially leading to counterproductive effects.
Studies have shown that most mammals live longer in zoos compared to their wild counterparts, with smaller species exhibiting the greatest increase in longevity. This is likely due to reduced mortality rates from predation and intraspecific competition, which are prevalent in the wild.
Researchers reconstructed the body cavity volume in over 120 tetrapods and found that herbivores have twice as large bodies as carnivores of similar size. The study reveals a fundamental difference in morphological principles between mammals and other tetrapods, with possible implications for respiratory systems.
A recent study found that redirecting attention to future needs increases self-control, a mechanism previously thought to be solely governed by the prefrontal cortex. The research suggests that the temporo-parietal junction plays a crucial role in both social interactions and self-controlled decision-making.
Researchers created movies addressing personal values and future marriage prospects to challenge negative attitudes, with a persistent effect lasting at least a week. The approach shows promise in increasing discussion and sustainable change through entertainment-embedded public information.
Researchers found that sleep deprivation in children increases deep sleep in the parietal and occipital lobes, which are involved in spatial perception and processing multi-sensorial input. The level of myelin content in these brain regions is associated with the deep-sleep effect.
Researchers have identified Mycoplasma pneumoniae as the trigger for Guillain-Barré syndrome, a serious nervous system disease. The study found that antibodies against the bacteria's surface structure react with human nerve sheaths, leading to an immune reaction and potentially life-threatening paralysis.