Researchers found charcoal accelerates fine roots decomposition, leading to increased CO2 emissions in boreal forests. High charcoal concentrations resulted in greater root mass loss over two years.
A social dilemma experiment found that punishment is ineffective in promoting cooperation among players, with players instead replacing defection with punishment. The study suggests that punishment has a demoralizing effect and reduces the incentive to choose cooperation over competition.
Researchers at Hokkaido University have shed light on the molecular mechanisms behind ALS by studying the depletion of protein TDP-43. The study found that TDP-43 binds to U6 snRNA, stabilizing it, which leads to its degradation and eventual cell death. This discovery may lead to ways to slow or stop neuronal cell death in ALS patients.
Researchers at Hokkaido University have identified a cellular protein called STAP-2 that stabilizes the EGFR signaling pathway, leading to increased cell proliferation and tumor formation in prostate cancer. Suppressing STAP-2 with inhibitors could potentially treat Gefitinib-resistant prostate cancers.
A type of human leukocyte antigen (HLA) gene, HLA-DQB1*03:01, is associated with an increased risk of developing bullous pemphigoid (BP) in diabetic patients taking DPP-4 inhibitory drugs. The gene was found to be present in 86% of non-inflammatory BP patients administered with DPP-4i, compared to 18% in the general population.
A recent study by Hokkaido University found that the global risk of Madagascar's pneumonic plague epidemic is limited, with an estimated risk of less than 0.1 person per country between August and October. The basic reproduction number was calculated at 1.73, and case fatality risk was 5.5 percent.
A study conducted by Hokkaido University and Yamagata University found that nodding positively affects perceived attractiveness, likability, and approachability. Nodding increased these traits by 30% and 40%, respectively, compared to head shaking or motionlessness.
Researchers at Hokkaido University developed a novel approach to improve thermoelectric material performance by harnessing high mobility two-dimensional electron gas. This enables efficient heat-to-electricity conversion, overcoming current limitations in industrial applications.
Researchers at Hokkaido University have developed a novel material synthesis method that utilizes protons to introduce ions into host materials. This liquid-free process enables the homogenous introduction of various ions, such as lithium and sodium, into tantalum sulfide, maintaining its crystallinity.
Researchers found that antimicrobial peptide R-Spondin1 stimulates intestinal stem cells to differentiate into Paneth cells, which secrete alpha-defensins with strong antimicrobial activity. Administration of R-Spondin1 restored gut microbiota in mice with graft-versus-host disease, preventing depletion of Paneth cells and dysbiosis.
Researchers from Hokkaido University discovered that UV-irradiated amorphous ice exhibits liquid-like behavior at extremely low temperature ranges. The ice behaves similarly to a liquid, with a viscosity similar to that of honey or silicic magma, allowing it to facilitate the formation of organic compounds and dust accretion on planets.
Researchers at Hokkaido University discover YUCCA9 plays primary role in plant root regeneration after cutting. This finding could lead to new methods for controlling plant growth in agriculture and horticulture.
Quantitative analysis reveals that dark ocean surfaces absorb more light than white ice surfaces, leading to accelerated sea ice melt. The study found a significant correlation between solar heat input and ice melt volume, suggesting that heat input is a major causative factor of melting ice.
Researchers found that biogenic organic emissions from soil and fallen leaves on forest floors can suppress cloud formation. The study reveals a seasonal variation of aerosol activity controlled by the mass ratio of sulfate and water-soluble organics, with increased suppression in autumn.
Researchers analyzed Akatsuki data to uncover wind velocities with temporal and spatial variabilities in lower-to-middle cloud layers. The discovery of an equatorial jet near the equator has significant implications for understanding superrotation theories.
A deadly tick-borne virus uses the host neuron's transportation system to move its RNA, resulting in local reproduction of the virus and severe neurological symptoms. The unique virus-host interaction reveals a pivotal non-coding sequence that hijacks the neuronal granule system.
Researchers at Hokkaido University developed a nanosheet made of CYTOP to prevent drying and deformation of biological samples. The nanosheet retains water content and provides sufficient surface adhesion for fixing samples, resulting in high-resolution images.
Researchers at Hokkaido University have developed a chimeric anti-PD-L1 antibody that induces immune responses and tumor regression in dogs with malignant cancers. The antibody targets PD-L1-positive cancers, including oral malignant melanoma and undifferentiated sarcoma.
Researchers have discovered a new family of proteins involved in cross-reactivity between cypress pollen and certain fruits, leading to improved allergy diagnosis and treatment. This finding, published in Journal of Allergy and Clinical Immunology, sheds light on the underlying mechanisms behind pollen food associated syndrome.
Researchers have developed a method using mosses (bryophytes) to evaluate atmospheric conditions in urban areas, including nitrogen pollution severity and drought stress. The study found that bryophytes can indicate the degree of nitrogen pollution and drought levels, making them a valuable tool for assessing environmental changes.
Researchers from Hokkaido University successfully treated mice with atopic dermatitis using HLA-G1, a protein that inhibits immune responses. The treatment showed marked improvement in skin lesions and reduced immune response compared to untreated mice.
Researchers at Hokkaido University found that the GLAST molecule facilitates functional wiring of brain cells involved in motor coordination. Glutamate transporters, like GLAST, enable high-fidelity signal transmission between nerve cells.
Hokkaido University researchers have designed a novel mechano-responsive luminescent material that changes color in response to mechanical stimuli. The material, composed of gold and isocyanide complex, transforms into chiral or achiral crystals under different conditions, altering its emission properties.
Invasive giant slug <i>Limax maximus</i> has spread to Hokkaido, Japan, where it is preyed upon by microphagous leech <i>Orobdella kawakatsuorum</i>. The study reveals that the invasive species feeds on various crops including cucumber and sweet potato.
Researchers at Hokkaido University discovered that non-autonomous viruses can infect the same plant and exchange DNA to help each other prosper. This 'commensal' partnership with another virus species is crucial in establishing life cycles, with exchanging noncoding regulatory sequences playing a key role.
Researchers confirm Nipponosaurus is a valid taxon and a juvenile dinosaur that has not reached sexual maturity. It was discovered to have unique characteristics, including a wide shelf-like structure on the lower jaw and extremely short front legs.
Researchers at Hokkaido University have successfully developed a method for the catalytic asymmetric borylation of ketones, a breakthrough expected to facilitate the development of new medicines and functional chemicals. The team has identified a suitable catalyst element called chiral NHC complex for efficient reaction with diboron.
Researchers developed an anti-PD-1 antibody that blocks PD-1/PD-L1 interaction, reinvigorating antivirus immune response and decreasing BLV counts. The new treatment could be effective against various intractable infectious diseases in cows.
Researchers at Hokkaido University developed a gold compound that turns invisible when ground into a fine powder, emitting only infrared light. The substance's unique property has significant implications for bioimaging and the creation of invisible security inks.
Researchers at Hokkaido University found that bamboo's natural fiber distribution is optimized for maximum flexural rigidity while minimizing wood volume. This study sheds light on the potential of biomimetics in developing lightweight and tough materials.
A new tool enables identification of high-end caviar from Beluga sturgeons by analyzing DNA from a single caviar egg, contributing to conservation and fair international trade. The development helps distinguish Beluga caviar from Bester and other species using targeted genetic variants.
A new study reveals that ocean currents affect how climate change impacts species' distributions, leading to changes in ecosystems and human health implications. Species expand their range faster when ocean currents match the direction of warming.
Researchers at Hokkaido University discovered that individual ants with different preferences can lead to a collective rational decision when making binary choices. The team found that the middle group of ants, which preferred a higher sucrose concentration, was the key to the colony's decision-making process.
Researchers discovered that normal cells recognize and attack transformed cells through metabolic changes, including mitochondrial dysfunction and elevated glucose uptake. These changes play a crucial role in eliminating early-stage cancer cells.
A Hokkaido University researcher found a correlation between high tropical Pacific seawater temperatures and increased ice breakup in East Antarctica. The study suggests that warmer seawater triggers atmospheric waves, leading to large ice breakups at Syowa Station.
A team of researchers at Hokkaido University has uncovered the structure of a protein called HLA-G2 that protects embryos from being attacked by their mothers' immune systems during pregnancy. The structure was found to be similar to another class of human leukocyte antigens, suggesting its evolutionary origin.
Researchers at Hokkaido University developed a novel method combining p53 and BMPep to control nanostructure of inorganic materials. The method successfully created hexagonal silver nanoplates with enhanced specificity and crystal growth regulation.
A study by Hokkaido University researchers found that voltage rhythms are synchronized across the entire suprachiasmatic nucleus (SCN), maintaining a tissue-wide rhythm. This discovery suggests that inter-cellular interactions within the SCN may be responsible for synchronizing voltage changes, separate from asynchronous calcium rhythms.
A study by Hokkaido University researchers found that grouping female American cockroaches promotes asexual egg production, with synchronized egg case delivery in synchrony. The females perceive female-specific chemosensory signals via their antennae, leading to increased fecundity and colony survival.
Researchers from Hokkaido University conducted microgravity experiments on the International Space Station to measure ice crystal growth rates. They found that glycoproteins in fish blood facilitate growth, but also lead to a slowing effect when flat faces are truncated by slower-growing faces.
A new study from Hokkaido University found that duet-dancing plays a crucial role in mating success among Java Sparrows, even more so than male-singing. Females often give a copulation solicitation display before males start singing.
Researchers at Hokkaido University identified the PNPLA1 gene as essential for acylceramide synthesis, a lipid that forms the skin barrier. The study sheds light on potential treatments for skin diseases like atopic dermatitis and ichthyosis.
Researchers developed a new method to evaluate the aesthetic value of landscapes using geotagged photos shared on social networks. The study found that landscape demand is highest in national parks, followed by farmland and cities.
Researchers have solved a decades-long puzzle about metallic glasses' atomic structure using a new method combining various techniques. The study revealed a hidden amorphous phase within a certain temperature range, linked to metals' ability to form glass and potentially enabling the development of stronger novel materials.
When anonymity is lifted, cooperation increases significantly due to mutual understanding. Participants who knew each other were more likely to cooperate rather than engage in retaliatory sentiments or punishment.
Researchers at Hokkaido University have created a nickel complex that changes color and magnetism when exposed to methanol vapor. The material exhibits vapochromic properties, making it suitable for chemical sensing applications.
Researchers discovered that male hormones, specifically androgens, play a crucial role in the development of female chicken ovaries. The study found disruptions in ovarian structure when androgen receptors were suppressed, potentially affecting egg-laying rates.
A team of scientists has identified a previously unknown mechanism that keeps transposable elements from causing harm by detaining them at the cell membrane. This discovery opens up new avenues for research on similar mechanisms in other organisms.
Scientists at Hokkaido University have created 'fiber-reinforced soft composites' that combine the flexibility of hydrogels with the strength of glass fibers. These materials are 5 times tougher than carbon steel, making them suitable for various applications such as artificial ligaments and tendons.
A new RNAi treatment has shown significant improvement in mouse models of acute uveitis and chronic diabetic inflammation without apparent side effects. The therapy targets the receptor-associated prorenin system, involved in uveitis pathogenesis.