Researchers at Osaka University discovered that Pib2 interacts with the TOR complex to detect glutamine levels, regulating cell growth and autophagy. The study found that glutamine binding activates the TOR complex, leading to controlled cellular responses.
A Japanese research team has uncovered new molecular details and provided a model explaining how stepwise flagellar assembly occurs in bacteria. The proposed model suggests that subtle changes in the ring's shape determine which proteins are exported to the growing flagellum, enabling its construction.
Researchers at Osaka University identified unique genetic traits that evolved rapidly in Japanese populations over the last few thousand years. The study found evolutionary changes related to alcohol metabolism, glucose, and lipid processing.
A team of Osaka University researchers identified a specific subset of B cells with higher affinity that preferentially commit to plasma cell fate. The study suggests that stable Tfh-GC B cell contacts are key for plasma cell-prone GC cell formation, providing valuable insights for vaccine development.
Research reveals deletion of adipose oxidative stress decreases lipid accumulation in the liver, improving insulin resistance and inducing metabolically healthy obesity. Oxidative stress suppresses lipogenic genes in adipocytes, leading to de novo lipogenesis suppression.
Researchers discovered that Stromal derived factor-1 (SDF-1) secreted from adipocytes reduces insulin effectiveness and glucose uptake in cells. In SDF-1 knockout mice, insulin-induced glucose uptake increased and insulin efficacy improved.
An international team found a fundamental law regulating galaxy cluster growth using gravitational lensing data from NASA's Hubble Space Telescope and Subaru Telescope. The law indicates that clusters are still growing by drawing surrounding substances with their strong gravity.
Japanese researchers at Osaka University have identified a key cellular protein, Ebf3, involved in maintaining the bone marrow niche. The study found that Ebf3-deficient CAR cells take on bone-synthesizing properties, which has significant clinical implications for regenerative therapies.
Researchers at Osaka University have found that the double deletion of tetraspanins CD9 and CD81 in mice causes progressive aging and shortened lifespan. The study reveals that CD9/CD81 DKO mice develop an accelerated aging syndrome, with symptoms including emphysema, osteoporosis, and skin and muscle atrophy.
Scientists at Osaka University identified RELCH as a crucial protein facilitating non-vesicular transport of cholesterol within cells. This discovery may lead to better understanding and treatment of cholesterol-related disorders.
Researchers at Osaka University found that short trips to developing countries significantly increase the appearance of colistin-resistant bacteria in Japanese travelers. The study tracked 19 participants who traveled for less than 2 weeks and discovered nearly 90% of travel events resulted in resistant strains.
Scientists at Osaka University developed a new topical gel to treat skin lesions in TSC, a rare inherited disease. The drug's approval marks a world first and offers a painless, safe, and easy-to-use solution for patients suffering from cosmetic issues.
Researchers at Osaka University found that GTSF1 is essential for regulating piRNA-mediated cleavage of target RNA, preventing retrotransposon overactivity. This mechanism safeguards the genome in male germ cells.
Researchers at Osaka University have created a new form of art illumination that uses synchronized fluctuations in light to mimic natural rhythms, creating a unique and cozy setting. This technology has the potential to enhance quality of life by providing a more human-friendly and nature-inspired lighting solution.
A team of researchers has successfully extended the search range of an exotic gravity to short distances, demonstrating the highest sensitivity reported to date. The study uses a high-intensity pulsed neutron beam at the J-PARC facility, allowing for precise measurements of gravitational interactions.
B cells play a key role in helping neurons develop by stimulating axon myelination, suggesting a potential link between B cell dysfunction and neurodevelopmental disorders. The study found that specific B cell antibodies promote oligodendrocyte proliferation and neuron myelination.
The researchers developed a label-free multimodal microscopy platform that allows non-invasive study of cellular preparations. The platform enables the study of fine cellular processes, such as macrophage cells activation upon exposure to lipopolysaccharide (LPS), at single-cell level through phenotypic and molecular characterization.
A joint research group has successfully observed topology hidden inside materials using soft X-rays. This achievement enables the direct determination of material topology without relying on surface appearance, which is expected to lead to the discovery of more diverse topological electronic phases.
Japanese researchers at Osaka University propose that substances heated by high-power lasers produce an ultrahigh pressure plasma state comparable to stellar centers. The surface tension of this plasma can push back light, and the researchers derive a limit density for laser-induced hole boring.
Researchers at Osaka University have developed a nonlinear optical crystal chip combining THz waves with microfluidic devices, enabling sensitive detection of low concentrations in small volumes. The technique has great potential for early disease detection and non-destructive analysis of living cells.
A team of researchers from Osaka University has identified adult endothelial stem cells capable of generating fully functional blood vessels. The discovery was made by isolating a population of endothelial cells expressing the glycoprotein CD157 and testing their ability to form new blood vessels in injured mice.
A genome-wide association study has identified 1,407 genetic variations affecting 58 traits in a large cohort of Japanese individuals. The study also found complex interrelations between clinical measurements and diseases, highlighting the value of conducting GWAS for multiple traits in a single cohort.
Researchers at Osaka University have developed a novel CRISPR-Cas9 method that can introduce precise modifications to defective genes with fewer safety drawbacks. The new technique, called Single Nicking in the target Gene and Donor (SNGD), reduces unintended genetic mutations by up to 95%.
Researchers develop MARIO, a fluorescent probe that measures magnesium ion concentration, showing its critical role in chromosome condensation. The study provides a new mechanism for chromosome organization and may help understand diseases like cancer.
Researchers at Osaka University discovered that Arid5a translocates from the nucleus to the cytoplasm in response to inflammation, regulating IL-6 production. This finding offers potential therapeutic strategies for septic shock and autoimmune diseases.
Researchers at Osaka University have developed a computational method that reveals chemoresistance drug targets by integrating gene expression level and DNA methylation modification data. The approach identifies TRAF4 as an important gene for chemoresistance in gastrointestinal cancer, including esophageal cancer.
Proton acceleration is hindered by magnetism, as electrons create a sheath field that accelerates protons at right-angles to the target. This effect, known as magnetic inhibition, progressively worsens at higher laser powers, reducing proton energies.
Researchers at Osaka University have developed a silicon metamaterial surface that enables precise control of colorful patterns with subwavelength resolution. The system uses nanoscale patterns to convert optical radiation into localized energy, demonstrating vivid colors and two-color information within individual pixels.
A study using fruit fly models reveals that a genetic mutation in the DNAJC13 gene leads to the accumulation of α-synuclein protein, causing motor dysfunction and neurodegeneration. This finding provides new insights into the molecular mechanisms of familial Parkinson's disease and may lead to the development of disease-modifying thera...
Researchers at Osaka University redesigned a polymer to improve its hole conductivity, enhancing solar power conversion performance. This design enables mass production through simple printing methods, potentially lowering costs and increasing adoption of plastic solar cells.
Researchers used intravital two-photon microscopy to visualize interactions between osteoblasts and osteoclasts in living bone tissue. They found that osteoblasts can inhibit bone resorption by direct contact with osteoclasts, demonstrating an important concept for regulating bone homeostasis.
Researchers from Osaka University have identified an antibody that alleviates symptoms in neuromyelitis optica in rats by suppressing RGMa. The study uses a new localized animal model to investigate the correlation between inflammation and motor function disruption.
Researchers at Osaka University and The University of Tokyo describe the unique binding of RNF168 to lysine 63 chains, which is stabilized by hydrogen bonds and hydrophobic interactions. This study provides insights into the molecular interactions that assure the recruitment of DNA repair proteins.
Researchers at Osaka University have developed a novel catalytic system to split water and make hydrogen using normal sunlight. The new catalyst combines nanostructured black phosphorus for water reduction and bismuth vanadate for water oxidation, achieving an ideal 2:1 ratio of hydrogen and oxygen production.
Researchers found the subthalamic nucleus is responsible for detecting unnatural android movements, similar to Parkinson's disease. This study improves understanding of both android design and Parkinson's pathology.
Researchers at Osaka University developed an acid-tolerant green fluorescent protein, Gamillus, that can withstand low pH environments. The protein exhibits superior acid tolerance and nearly twice the brightness of reported GFPs, making it a powerful tool for imaging in acidic organelles.
Osaka University researchers develop an enzyme-driven approach to sticking biological ink droplets together, enabling the 3D printing of highly complex biological structures with a wide variety of cell types. The method overcomes compatibility problems with sodium alginate and results in high viability rates for cells.
Researchers found that CD4+ T effector cells upregulate Mdr1 in response to bile acids, maintaining intestinal homeostasis and limiting oxidative stress. This study provides valuable insights into the interaction between Teff cells and metabolites, potentially leading to new therapeutic agents for inflammatory bowel diseases.
Researchers at Osaka University developed a technique called lexical acquisition through implicit confirmation to enable AI to learn words in the flow of dialogue. This method allows computers to acquire knowledge about unknown words during conversations with humans, making them smarter and more responsive.
Researchers at Osaka University have created a new thermoelectric material (ytterbium silicide) with an improved power factor at room temperature. The material's unique layered structure suppresses heat conduction, preserving the temperature gradient and enabling efficient power generation.
Japanese researchers from Osaka University have developed a muon-based approach to non-destructive investigations for unique asteroid samples. The technique enables the study of extraterrestrial organics and major elements without destroying the samples, with potential applications in archaeology, material science, and social sciences.
Researchers at Osaka University have created a radical reaction that converts methane into methanol and formic acid using a clean, low-temperature process. The process achieves this goal without the need for high temperatures or pressures, converting over 99% of methane into the target products.
Researchers at Osaka University found that differences in methylation patterns of specific genes and chromosomes are linked to the development of autoimmune thyroid diseases. This discovery highlights the importance of considering both genetic and epigenetic factors in diagnosing metabolic disorders.
Congenital myotonic dystrophy (CDM) is characterized by progressive muscle wasting and weakness. Researchers have identified an upregulation of the interleukin-6 (IL-6) myokine signaling pathway in CDM muscles, suggesting that enhanced RNA toxicity contributes to severe CDM phenotypes through aberrant IL-6 signaling.
Researchers at Osaka University identify a compound effective against drug-resistant HCV, inhibiting its maturation process. The dibenzoazepine structure is responsible for its effectiveness, allowing for potential modifications to combat other diseases.
A research group at Osaka University has identified key molecules involved in severe malaria. The study found that RIFIN proteins expressed on infected erythrocytes suppress the host immune response by binding to an inhibitory receptor, contributing to the pathogenesis of severe malaria.
Researchers at Osaka University developed a new strategy for multiple myeloma immunotherapy by identifying a novel therapeutic target, MMG49, specifically recognizing integrin β7. The resulting CAR-T treatment showed anti-MM effects without damaging normal blood cells.
Researchers elucidate torque generation mechanism of flagellar motor in Bacillus subtilis using high-speed atomic force microscopy and mutational analysis. The study finds that sodium ions drive the assembly and activation of flagellar motor, regardless of its composition.
Researchers at Osaka University designed a novel gait recognition method that can overcome intra-subject variations by view differences. The proposed architectures outperformed state-of-the-art benchmarks in accordance with their suitable situations of verification/identification tasks and view differences.
Researchers at Osaka University have found a key gene responsible for the development of male and female traits in an ancient crustacean. The study reveals how this gene, doublesex1, is expressed differently in males and females, leading to distinct sex-specific characteristics.