Researchers from Osaka University discovered that a specific bacterial interaction causes the production of methyl mercaptan, a major contributor to bad breath. The interaction between Streptococcus gordonii and Fusobacterium nucleatum leads to increased methyl mercaptan production, which is driven by methionine metabolism.
Researchers from Osaka University found that gargling with an antiseptic mouthwash can reduce periodontitis-related bacteria in patients with type 2 diabetes. This simple method may improve the lives of people with periodontitis-linked diseases such as diabetes, dementia, and cardiovascular disease.
Researchers from Osaka University developed an innovative biomanufacturing technology using chemically synthesized non-natural sugars, enabling fermentation production of lactate and solving the problem of competing with food. This achievement will expand biomanufacturing and provide a sustainable raw sugar supply.
Researchers from Osaka University and IMRA AMERICA have developed a photonics-based wireless link that breaks speed records for data transmission. The system achieved a single-channel transmission rate of 240 gigabits per second using ultra-low phase noise, paving the way for near-instantaneous global communication.
Researchers from Osaka University have developed a soft, flexible, and wireless optical sensor based on carbon nanotubes and organic transistors formed on ultra-thin polymer film. The sensor has high sensitivity over a wide range of wavelengths and can work even after being crumpled into a ball.
Researchers from Osaka University have discovered a novel treatment strategy for cytokine storm, a serious inflammatory syndrome triggered by an infection or severe burn. The new approach involves blocking IL-6 receptor signaling with a short-term antibody, minimizing treatment side effects and preventing vascular damage.
Researchers from Osaka University have developed a small sensor-based data logger that automatically detects and records video of infrequent behaviors in wild seabirds. The bio-logger uses low-power sensors and artificial intelligence to capture rare behaviors, such as head-shaking and foraging habits, without needing human supervision.
Researchers at Osaka University have developed a new thermoelectric material that can improve the efficiency of temperature-to-electricity conversion, enabling more sustainable IoT applications. The innovation has potential to power environmental monitoring systems and wearable devices.
Researchers from Osaka University developed an economical catalyst for a common chemical transformation, replacing rare metals with cheaper substitutes like nickel. The novel catalyst showed high activity, reusability, and high yields.
Researchers from Osaka University have developed an operationally simple way to synthesize the intricate beta-lactam scaffold characteristic of beta-lactam antibiotics. The new catalytic system generates Fischer-carbene complexes in small quantities, eliminating toxic chromium waste and requiring only a small amount of catalyst.
Japanese researchers have revealed a strain-induced orbital control mechanism in interfacial multiferroics, potentially leading to efficient spintronic devices. The team showed the microscopic origin of the large magnetoelectric effect in the material, providing guidelines for designing materials with a large magnetoelectric effect.
Scientists from Osaka University and collaborators identify environmentally friendly reaction conditions for producing peracids, overcoming wasteful and dangerous chemical synthesis methods. The optimized process uses sunlight and oxygen, allowing for safe and cost-effective production of essential chemicals.
A study published in Cell Genomics reveals that specific changes in CD4+ T cell categories and gene programs are associated with autoimmune diseases, including distinct patterns related to aging and sex. The findings provide a comprehensive catalog of CD4+ T cell changes linked to 20 different autoimmune diseases.
A research team at Osaka University has found a way to synthesize alkylamines in a sustainable and cost-effective manner, using a novel catalyst system that produces only water as a byproduct.
A study published in PNAS reveals that HKDC1 protein plays a crucial role in maintaining mitochondrial and lysosomal function, thereby preventing cellular senescence. The researchers found that HKDC1 helps regulate the removal of damaged mitochondria through mitophagy and facilitates lysosomal repair.
Neuronal activity stimulates gene expression in human brain cells by influencing transcription factors and chromatin modifiers, particularly CREB and CBP. The interaction between CREB and DNA requires prior acetylation mediated by CBP to activate gene expression.
Researchers from Osaka University have identified erythromycin as a potential treatment for myotonic dystrophy type 1, a genetic disease characterized by progressive muscular weakness. The antibiotic showed acceptable safety and tolerability profiles in a phase 2 clinical trial, with some patients experiencing significant improvements ...
Researchers from Osaka University have discovered a link between the rare D-form of the amino acid alanine and the circadian clock's influence on glucose metabolism in the kidney. The study found that D-alanine regulates gluconeogenesis, a process that creates new glucose to maintain energy levels, and is mediated by the protein Cry2.
Researchers from Osaka University and University of Hawaii found that environmental microorganisms boost fruit fly reproduction by modifying hormone levels and increasing the production of germline stem cells. This discovery could lead to new avenues for improving reproductive health and fertility treatments.
Cysteine is sensed by a protein called Pib2 and binds with it to activate TORC1, promoting cell proliferation. The study found that all 20 amino acids differently affect TORC1 using two pathways: Pib2 and Gtr.
A multi-institutional research team, including Osaka University, has developed a new approach to enhance the efficiency of Mie scattering, which could lead to significant advancements in meta-photonics and applications like all-optical transistors. The researchers found that misaligning the incident laser on a nanometer scale can induc...
Researchers from Osaka University developed an online space for conversation and collaboration among patients with rare diseases, family members, researchers, and former policymakers. The project identified key themes and research priorities, including financial burden, daily life impacts, anxiety, and hospital visits, providing a uniq...
Scientists have found that by controlling ion flow through nanopores, they can achieve cooling. At high concentrations, increased heat was measured, but at low concentrations, negatively charged ions interacted with the nanopore wall, resulting in a decrease in temperature.
A study by researchers from Osaka University found that HSP47, a collagen-specific molecular chaperone, is significantly expressed in fat tissue and correlates with body fat levels. High or low HSP47 expression was linked to high or low body fat levels in both humans and mice.
A study published in EMBO Reports reveals that microautophagy is crucial for repairing damaged lysosomes, which helps prevent cellular aging. The researchers identified key regulators of this process, including STK38 and GABARAPs, and found that their depletion increases the rate of senescent cells and shortens lifespan in C. elegans.
A study published in the International Journal of Disaster Risk Reduction found that individuals' behavior to prevent disease spread depends on their personal information sources and living situation. The researchers discovered a strong link between medical information consumption before the outbreak and mask-wearing behaviors, while s...
A recent study by Osaka University's researchers aims to bring science fiction stories closer to reality by studying the mechanical properties of human facial expressions. The team mapped out the intricacies of human facial movements using tracking markers, revealing that even simple motions can be surprisingly complex and nuanced.
Research out of Osaka University reveals that many Japanese people continue to wear masks for socio-psychological reasons, including relief and norm. The study found correlations between mask usage motivations and actual mask usage before and after the government downgraded COVID-19's legal status.
Researchers at Osaka University use a robotic system to automate key experimental processes, accelerating the search for new materials. They evaluate 576 thin-film semiconductor samples using photoabsorption spectroscopy, optical microscopy, and time-resolved microwave conductivity analyses.
Researchers at Osaka University have developed a novel platform that combines nanopore technology with artificial intelligence to detect different coronavirus variants quickly. The platform was tested on 241 saliva samples and detected the Omicron variant 100% of the time.
A team of Osaka University researchers discovered a link between Rab32 and Rab38 proteins, crucial for both hair pigmentation and bone resorption. Double-knockout mice showed increased bone density and altered physical characteristics, highlighting the importance of these proteins in maintaining bone homeostasis.
Research at Osaka University finds that warming up can rapidly activate contractile proteins and improve muscle performance, particularly in skeletal muscles. This difference may allow skeletal muscles to contract quickly upon warming, saving energy and resting when needed.
Osaka University researchers create a wirelessly powered, biodegradable soil moisture sensing technology that can be installed in high densities, enabling precision agriculture with minimized land and water use. The system achieves both electronic functionality and biodegradability, allowing for safe disposal of used sensor devices.
Researchers from Osaka University have developed a bioprinting technique that enables the creation of complex soft tissue structures with high fidelity. The method uses a printing support to facilitate gelation of a bioink, resulting in cell viability and viability for up to two weeks.
Researchers at Osaka University have developed a novel radioactive antibody that can diagnose and treat a deadly type of pancreatic cancer. The antibody targets glypican-1, a protein highly expressed in PDAC tumors, allowing for early detection and treatment with improved survival rates.
Researchers at Osaka University developed a water-repelling nanostructured light diffuser that surpasses the functionality of other common diffusers. The diffuser uses randomly arranged self-cleaning nanopatterns to produce high transmittance and wide angular spread, making it useful for visual displays and energy-saving windows.
The International Symposium on Triglyceride/Neutral Lipid and Rare Diseases will explore the molecular and biological diversity of rare diseases due to accumulated triglycerides. The event aims to deepen understanding of these conditions and eliminate isolation by providing disease information and treatment opportunities.
Osaka University researchers created a radial-coded mask that replaces conventional masks, yielding sharp images at various distances. The optimized mask design extends the depth of field, enabling better focus on both foreground and background objects.
Osaka University researchers have developed an AI-driven algorithm to control indoor heating and cooling systems, achieving significant energy savings of up to 30%. The system learns the symbolic relationships between variables, including power consumption, based on a large dataset, ensuring comfortable temperatures despite winter cond...
A new study reveals the critical importance of post-transcriptional processes in regulating circadian rhythms and their impact on sleep. Researchers identified a structure in the circadian mRNA Period2 that alters the amplitude of circadian rhythms and disrupts sleep patterns, particularly during transitions between light and dark.
Scientists from Osaka University found a shorter Rubicon isoform that boosts autophagy in B cells, leading to increased memory B cell generation and enhanced recall responses. This discovery sheds light on manipulating B cell memory and resolving conflicting findings about Rubicon's functions.
A study by Osaka University found that belief in just deserts (BJD) was highest in Japan and lowest in the UK, while human rights restriction (HRR) was highest in China and lowest in Japan. The research suggests that BJD and HRR are positively correlated in some countries, leading to increased disease-related prejudice and discrimination.
A team at Osaka University used neutron crystallography to image the atom-by-atom structure of a copper amine oxidase enzyme, revealing unprecedented structural insights. The study provided details on the protonation/deprotonation state and motions of key cofactors, facilitating single-electron transfer.
Researchers at Osaka University have developed a new gene editing technique called NICER, which significantly reduces off-target mutations compared to traditional CRISPR/Cas9 methods. This novel approach uses multiple small cuts in DNA strands and promotes interhomolog homologous recombination to correct heterozygous mutations.
Researchers at Osaka University develop a method to train AI models using simulated city images, reducing the need for real data and saving human effort. The approach generates realistic images with accurate ground truth labels, addressing instance segmentation challenges.
Researchers at Osaka University have created a new optical device that generates deep-UV light using second harmonic generation, killing germs while remaining harmless to humans. The device is more efficient and compact than previous options, paving the way for commercial applications.
Researchers from Osaka University have identified a novel mechanism by which GREB1 Isoform4 is involved in pyrimidine synthesis and causes malignant melanoma. The study found that GREB1 Is4 promotes cancer cell proliferation and regulates pyrimidine metabolism, suggesting it as a new therapeutic target for melanoma.
Researchers from Osaka University and others have used topological data analysis and machine learning to predict the properties of amorphous materials. The study employed a method combining persistent homology and machine learning to accurately predict the energies of disordered structures composed of carbon atoms at varying densities.
A team at Osaka University has simulated photon-photon collisions to produce electron-positron pairs, paving the way for experimental confirmation of quantum physics theories. The simulation uses ultra-intense laser pulses and demonstrates the feasibility of creating matter solely from light.
Researchers from Osaka University have shed light on how certain proteins contribute to the formation of piRNAs, a type of RNA that protects the genome. Tejas plays a key role in recruiting Vas and Spn-E, facilitating nuage formation and piRNA processing.