A novel mechanism of action has been identified for the treatment of inflammatory bowel disease, showing promise for a new therapeutic approach. The study discovered that an orally active small molecule, ER-464195-01, suppresses leukocyte adhesion by binding to calreticulin and inhibiting integrin activation.
Researchers identified a mutated mouse line with reduced fear responses to fox odorants due to a Trpa1 gene mutation. The study found that the trigeminal system, not the olfactory system, triggers instinctive fear responses.
A Japan-US research collaboration found that taurine absorption by sperm cells helps regulate osmotic stress during fertilization. The study, published in FEBS Journal, revealed that taurine deficiency leads to increased male infertility rates and altered sperm shape.
Scientists at the University of Tsukuba have created an electrode based on 'holey' graphene that efficiently catalyzes the hydrogen evolution reaction in acidic electrolyte, making it cheaper and more effective. The new system outperforms regular non-holey graphene electrodes in acid conditions.
A team of University of Tsukuba-centered researchers discovered a novel biomarker, citrullinated ITIH4 protein, that is highly specific to patients with rheumatoid arthritis. The levels of this protein decreased in correlation with the reduction of disease activity score after effective treatment.
A research team led by the University of Tsukuba has successfully imaged single Li+@C60 molecules using scanning tunneling microscopy. The study provides valuable insights into the electronic properties of lithium-doped fullerenes, which can be used to optimize their performance in optoelectronic and switching devices.
A team of University of Tsukuba researchers uncovered the essential role of a specific gene region in regulating blood pressure homeostasis. By deleting certain regions of the renin gene, they found that one particular region, known as -5E, plays a crucial role in the basal expression of the gene.
Scientists at University of Tsukuba create effective fluorescent sensor for detecting solvent vapor, utilizing a branched molecule called a dendrimer. The sensor can distinguish between various solvents through changes in emission color and intensity.
A study using landscape genetics identified a decline in the endangered maple Acer miyabei's population due to habitat loss and fragmentation. The research highlights the importance of preserving forests along rivers and surrounding them to maintain gene flow, ensuring the long-term survival of this unique species.
A study has identified a key genetic pathway in the legume Lotus japonicus that regulates nodulation in response to nitrogen levels in the soil. The researchers found a gene called NRSYM1 that, when mutated, causes the legume to continue forming new nodules even when nitrate is present in the soil.
Researchers performed synchrotron X-ray diffraction experiments on titanium disulfide and compared results with theoretical calculations. They found that interlayer interactions are stronger than theory indicates, involving significant electron sharing.
Researchers at the University of Tsukuba have developed a new kind of thermoelectric system that can harness small energy differences at low temperatures, producing an electrical energy of 2.3 meV per cycle. The device has shown promising prospects for large-scale heat energy recovery and could help industries become more efficient.
Researchers used high-speed pulse-chase imaging to study fungal growth, revealing precise timing of vesicle movement and motor protein involvement. The technique provided unprecedented precision, allowing for the discovery of different types of vesicles moving at varying velocities along the hypha.
A new species of marine worm Xenoturbella has been discovered, providing insights into the early evolution of complex animals. The discovery sheds light on the origins of structures such as kidneys and a centralized nervous system.
A new study published in Nature Communications finds that the nucleus accumbens, associated with motivation and pleasure, can produce sleep. This discovery may explain why people tend to fall asleep in boring situations, as it suggests a strong ability of this brain region to induce sleep.
Researchers warn of the dangers of cannabinoid abuse, particularly seizures, caused by synthetic cannabinoids like JWH-018. A potential treatment with CB1R antagonist AM-251 has been proposed for cases of cannabinoid overdose.
Bacterial membrane vesicles are nanoscale spheres formed by bacteria, potentially used in cancer treatment and nanotechnology. Researchers visualized their formation using live cell imaging and electron cryotomography, revealing that endolysin enzymes play a crucial role in their production.
A study found that octacosanol, a compound rich in sugarcane and other natural products, can reduce stress and restore normal sleep in mildly stressed mice. The researchers also suggest that octacosanol may be useful for treating insomnia caused by stress due to its potential to increase sleep.
Researchers successfully altered the flower color of Japanese morning glory from violet to white using CRISPR/Cas9 genome-editing technology. The study highlights the potential of CRISPR/Cas9 for studying and manipulating genes in horticultural plants.
Researchers have successfully developed a non-peptide compound that promotes wakefulness and remedies narcoleptic symptoms in mouse models. The compound, YNT-185, penetrates the blood-brain barrier and induces significant wakefulness without desensitization or sleep rebounds.
Researchers at the University of Tsukuba have uncovered a molecular mechanism that coordinates growth spurts in filamentous fungi. The team discovered that cellular calcium levels oscillate, triggering the assembly of actin chains that guide vesicles to the site of growth.
Researchers found that Sapporo mai-mai snails live longer in trees due to fewer predators and better food sources. Tree-dwelling snails also eat epiphytic lichens and mosses, unlike ground-dwelling counterparts.
A study found that triethylene glycol (TEG), an active component of Ashwagandha, induces non-rapid eye movement sleep significantly and changes rapid eye movement sleep slightly. TEG's physiologically sound sleep is comparable to normal sleep, offering a potential natural solution for insomnia and related disorders.
Researchers at the University of Tsukuba found that KLF4 promotes metabolic shift towards glycolysis and inhibits oxidative phosphorylation, enabling cells to acquire pluripotency. This discovery sheds light on the mechanisms underlying induced pluripotent stem cell generation.
A team at the University of Tsukuba has created a novel approach to measure fluid drag on the body during front-crawl swimming, which overcomes previous limitations. The new method, utilizing load cells and underwater motion analysis, allows for accurate determination of active drag and comparison to passive drag states.
Researchers found that subcutaneous injection of orexin can improve survival rates in mice with endotoxin shock by restoring body temperature and increasing heart rate. Future studies aim to validate the effect of peripherally administered orexin in primates with septic shock.
Research has identified Ovo as a critical regulator of germline development in both mice and fruit flies, with the protein essential for the proper formation of eggs and sperm cells. This discovery suggests that Ovo acts as part of a conserved mechanism controlling reproductive cell development across different animal species.
A new study reveals that the head, upper arms, upper legs, and thighs are significant sources of drag for downhill skiers, with potential applications in designing better ski equipment and improving performance.
Researchers found that moderate exercise improved spatial memory impairments in type 2 diabetic rats, possibly due to increased lactate levels and normalization of glycogen levels. Exercise also normalized MCT2 expression, which may be a key mechanism underlying the improved memory function.
A recent study published in eLife found that REM sleep loss leads to increased consumption of unhealthy foods, particularly sucrose and fat. The researchers discovered that inhibiting neurons in the prefrontal cortex reverses the effect of REM sleep loss on sucrose consumption.
Researchers identified mutations in genes controlling sleep in mice, revealing roles for NALCN and SIK3 proteins in regulating sleep need and maintaining REM sleep. The study used a genetic screening approach to isolate sleep phenotypes and mutated genes.
A University of Tsukuba-led research group has identified Pax6 as the protein regulator of retinal regeneration in newts. This discovery could lead to a new treatment approach for retinal problems, enabling the regeneration of damaged retinas.
A new study discovered that adenosine inhibits REM sleep by acting on specific receptors in the olfactory bulb. This finding suggests a link between REM sleep and odor perception, which may help treat diseases such as REM sleep behavior disorder. The research team hopes to explore adenosine as a potential treatment target for RBD.
Activation of estrogen receptor alpha in brain region necessary for adult mice to express typical male social behaviors. Inhibition before puberty affects both sexual and aggressive behavior in adulthood.
A study by University of Tsukuba researchers reveals that dioxin exposure disrupts AhR signaling, leading to slowed neuron migration and altered brain development. This mechanism may explain abnormal behavioral alterations caused by dioxin exposure in laboratory animals.
A research team at the University of Tsukuba identified a crucial role for spleen marginal zone B lymphocytes in exacerbating endotoxin shock through cytokine production. MZ B cells produce large quantities of IL-6 and other inflammatory chemokines in response to LPS, highlighting their strong pro-inflammatory role.
Researchers found that a gap phase in the cell cycle acts as a switch to mask asynchronous synthesis, enabling a mitotic wave to coordinate with neural tube formation. This study provides insight into the critical stage of animal embryonic development.
Bacteria's ability to form membrane vesicles and biofilms, crucial for disease-causing abilities and antibiotic resistance, has been linked to explosive cell lysis. The study reveals that a previously unknown enzyme disrupts the cell wall, releasing essential cellular components.
Researchers found that larval newts use stem/progenitor cells for muscle regeneration, while metamorphosed newts recruit skeletal muscle fiber cells. The study also revealed that skin, bone, muscle, and nerve tissues can regenerate faithfully in both stages of development.
A University of Tsukuba study found that astaxanthin promotes neurogenesis in the hippocampus and elevates learning and memory capacity. The research discovered specific molecular pathways contributing to improved memory capacity, paving the way for targeted mechanisms in medical food development.
Researchers used the powerful x-ray pulses from SACLA to investigate excited-state induced transient lattice dynamics in phase-change materials. They observed non-thermal local structural rearrangements within a few picoseconds, followed by warming of the lattice and a 2 pm change in lattice spacing after 20 ps.
Researchers at University of Tsukuba discover that dying epithelial cells suppress proliferation of regulatory T cells, promoting inflammation. Beneficial bacteria in the gut can help Treg cell proliferation, but this effect is blocked by apoptotic epithelial cells.
Researchers explore internal and social behavior, using mathematical tools to analyze brain activity. The study reveals a substance that influences financial decisions, highlighting the need for guiding rules in brain function.
A new 'Ouija Board' protein in Drosophila melanogaster flies plays a crucial role in regulating the expression of a single gene required for biosynthesis of insect steroid hormones. This study provides new insights into animal steroid hormone biosynthesis and its evolution.
Researchers found that MAP1A connects NMDA glutamate receptors to microtubules, stabilizing receptor transport and preventing derailment. This discovery offers new insights into the neural mechanisms underlying memory and learning.
Researchers visualized the mechanism of cell polarity maintenance using a super-resolution microscope, revealing its relationship to exocytosis and microtubules. The study used a fungal model to clarify the behavior of polarity markers, shedding light on their role in site-specific growth and cell function.
Research by the University of Tsukuba's Hiroaki Ueda and Youichi Kamae group reveals a connection between tropical seawater temperatures and changes in East Asian monsoon patterns. The study found that specific trends in tropical sea surface temperatures can explain recent changes in the region's summer rainfall.
Researchers have discovered Landau levels on atomically flat surfaces without asymmetries, supporting the domain model for non-magnetic field generation. The study reveals unique properties of graphite-based carbon materials, such as graphene, for electronic devices and catalysis.
Researchers at the University of Tsukuba identified the catalytic structure and proposed a mechanism for non-platinum oxygen reduction catalysts, showing that pyridinic nitrogen is key to its performance. The study's findings will enable optimization studies to focus on improving catalyst efficiency.
Researchers at University of Tsukuba have successfully developed a new type of anticancer agent, gatastatin, targeting γ-tubulin. This γ-tubulin specific inhibitor has shed light on the importance of γ-tubulin function in microtubule stability during late stages of cell division.