A previously poorly investigated signalling pathway is crucial for prostate cancer cell proliferation, involving the production of cAMP at multiple locations in the cell. Inhibiting the soluble adenylyl cyclase enzyme suppresses cancer cell growth, suggesting a promising new therapeutic approach.
Researchers at Ruhr-University Bochum found an overactive CaM kinase II enzyme in failing hearts, which relaxes muscle cells by phosphorylating the giant protein titin. This may lead to a new starting point for treating heart failure.
Researchers discovered that the protein transport system in chloroplasts of higher plants evolved from a bacterial system, with Physcomitrella patens serving as an intermediate stage. The moss has both old and new components of the SRP system, guiding proteins to their place of work in the cell membrane.
Research reveals that Pannexin1 channel protein is critical for synaptic plasticity, a key process in learning and memory. Mice lacking Pannexin1 display autistic-like behavior and impaired spatial orientation, highlighting the importance of this channel for brain function.
Researchers have discovered that the penicillin-producing fungus Penicillium chrysogenum reproduces sexually through a two-gender cycle. This leads to strains with new properties, including high penicillin production without contaminating genes.
A team of researchers has calculated the strength and distribution of magnetic fields in the early universe, finding that they existed even before the first stars formed. The calculations show that these weak magnetic fields were present throughout the entire plasma volume, with strengths as low as 10^-20 Tesla.
Researchers found that fire-colored beetle antifreeze proteins protect against freezing temperatures through a combination of direct interaction with ice crystals and interactions via water molecules. This process, previously thought to occur only locally, also happens over longer distances due to the dynamics of water molecules.
The study reveals a two-finger switch-off mechanism for Rab proteins, which control transport operations between different areas of a cell. This mechanism accelerates GTP cleavage over five orders of magnitude and has potential applications in developing small molecules to switch off mutated GTPases involved in tumour formation.
Bochum clinicians successfully performed MRI scans on 326 children without sedation, achieving a 97% diagnostic relevance rate. The BLADE technique was used to minimize blurring and maximize image quality, allowing for successful examinations in 41% of three-year-olds, 91% of four-year-olds, and 98% of patients over five years old.
A new approach to HIV vaccine development is underway, aiming to induce protective antibodies without increasing HIV-specific T helper cells. The project, funded by the Bill & Melinda Gates Foundation, seeks to build on earlier studies showing that certain antibodies can protect against HIV infection.
Researchers Padma Kant Shukla and Bengt Eliasson develop a unified theory explaining nonlinear dust acoustic shocks and solitary pulses in dusty plasmas. Laboratory experiments reveal large amplitude dust acoustic solitary pulses and shock waves, which their model successfully explains.
Biophysicists have discovered that the Ras protein forms an upright pair on the cell membrane, contradicting previous assumptions. This finding has significant implications for understanding cancer development and potential drug targets.
Biologists at Ruhr-Universität used a combination of laser microdissection and RNA-seq to analyze gene activity in the entire genome of certain fungi. They found that gene expression differs between tissue types, with some genes active only in specific tissues.
Researchers from Ruhr-University Bochum report that impaired protein degradation causes muscle diseases, including filaminopathies. The study found that protection mechanisms against abnormal protein deposits do not work properly in patients, opening up new avenues for therapies.
Researchers at Ruhr-Universität Bochum use infrared spectroscopy and computer simulations to study the Ras protein's role in cell growth. They found that Ras accelerates the cleavage of GTP by putting a phosphate chain under tension, which slows down cell growth.
Researchers found that individuals with Huntington's gene mutation exhibit increased learning efficiency, which is more pronounced in those with stronger mutations. This paradoxical effect suggests that neurodegenerative changes can lead to improved cognitive function.
An international team of academics researched the implementation and effects of Germany's compensation payments to former forced labourers, finding that personal experiences and memories played a crucial role in shaping victims' perceptions of the payments. The study, published in four volumes, reveals complex persecution experiences a...
Researchers at Ruhr-University Bochum developed a new method for studying the interaction between pharmaceuticals and their target proteins. The new technique uses infrared difference spectroscopy, which allows for the analysis of dynamic processes in proteins that were previously inaccessible.
Researchers have developed autonomous self-assembling electronic microreagents to jointly direct complex chemical reactions and analyses in solutions. The project MICREAgents will create programmable microscale electronic chemistry, containing electronic circuits on 3D microchips called lablets.
A research team found that infants' cortisol levels rise after waking up, with shorter pregnancies linked to lower cortisol rises. This new method could lead to diagnosing illnesses in hormone-producing organs and understanding the stress system's development in humans.
Researchers found that Alzheimer's protein APP is related to the production of neurotransmitters and can curb their creation. The study suggests a new mechanism by which abnormal APP deposits in Alzheimer's patients disrupt nerve cell signaling.
Researchers from Ruhr-Universität Bochum discovered that 80 percent of Single Sign-On (SSO) systems based on SAML have huge vulnerabilities. The team used novel XML Signature Wrapping techniques to circumvent digital signatures, impersonating users and system administrators in 12 affected systems.
Researchers at Ruhr-University Bochum found that acute stress increases DNA methylation of the oxytocin receptor gene, leading to excessive receptor production. This change may contribute to the development of chronic diseases such as cancer or depression.
Researchers from RUB have dynamically measured ATP splitting in membrane protein MsbA for the first time, tracking minute changes in the protein and its interaction with ATP. This study provides important clues on how the protein moves during ATP hydrolysis, laying the foundation for further investigation into whole membrane proteins.
The team used metal complexes to selectively modify peptide hormones, such as encephalin and octreotide. The resulting metal-peptide compounds could modulate the effect of naturally occurring peptide hormones, potentially leading to new remedies for pain or cancer.
A joint study by Stefan Reichmuth and Reinhold Glei reveals the Koran's term 'dīn' changed meaning from 'law' to 'religion' in Latin translations, with implications for European understanding of Islam. This shift reflects a gradual development in Western philosophy, paralleling Judaism and Christianity.
Researchers at Ruhr-University Bochum successfully transformed spinal cord stem cells into immature nerve cells using sodium chlorate. This development holds promise for improving cell replacement therapies in diseases such as Parkinson's, multiple sclerosis, and amyotrophic lateral sclerosis.
Researchers investigated how bacteria like <i> Bacillus subtilis </i> respond to oxygen changes by studying protein HemAT. The study reveals a signal transduction chain that connects the sensor domain to the signalling domain, allowing the protein to transmit information about rising oxygen levels.
Research team studied genetic diversity of coelacanths in Africa, revealing low genetic diversity but specific patterns in certain regions. The study shows that coelacanths can continue to develop and adapt to new conditions despite their slow evolutionary rate.
Researchers discovered fluids flow through solid rock at a much faster rate than previously thought, with pulses occurring in a relatively short time along defined paths. This challenges current understanding of the formation of volcanic arcs and their connection to earthquake events.
Patients with hemianopia experience improved visual detection of light stimuli after being presented with sounds on the affected side. Neural pathways that process information from different senses play a key role in this effect.
Scientists analyzed magma chamber crystals and correlated them with seismic signals from Mount St. Helens' 1980 eruption, revealing a clear connection between crystal growth and volcanic activity. This study could improve eruption forecasting by providing insights into the timing of magma input and pulses of seismicity.
Researchers discovered that mutated desmin proteins can aggregate with intact proteins of the same kind, leading to muscle diseases. This finding suggests that a single defective gene is enough to trigger the disease, as both malformed and normal proteins are incorporated into the aggregates.
Scientists have identified the energy supplier ATP and its binding protein TssM, which drives the export of Hcp through two membranes into the environment. The discovery sheds light on the mechanism of the type VI secretion system, a previously unknown bacterial transport system.
Biologists at Ruhr-University Bochum discovered novel functions of the metal-binding molecule nicotianamine, which regulates iron and zinc transport in plants. The research provides important clues for breeding crops with increased zinc content to prevent health problems caused by deficiencies.
A study by Ruhr-University Bochum and University of Basel reveals that ADHD is often misdiagnosed based on heuristics rather than adhering to recognized diagnostic criteria. The researchers found that boys are substantially more likely to be misdiagnosed compared to girls, with male therapists also tending to give more frequent diagnoses.
Researchers discovered a previously unknown phenomenon in quantum plasmas, enabling positively charged particles to form atom-like structures. This discovery accelerates current conduction, potentially revolutionizing nanotechnology and applications such as micro-chips and semiconductors.
A research team has generated flying 'qubits' that can define more than two states, potentially increasing computational power. They used semiconductors to create quantum bits with clear states suitable for encoding information.
A team of researchers from Germany and the Netherlands has developed a novel material that enables the switching of spin currents at room temperature in a vertical magnetic field. This breakthrough increases storage density distinctly and has potential applications in future hard discs and non-volatile random access memory devices.
Scientists study the impact of asymmetrical light input on cerebral hemispheric specialization and interhemispheric cooperation in bird embryos. The results show that information exchange is impaired without light-stimulation, which may help understand developmental disorders like ADHD or autism.
Biophysicists have elucidated the switching mechanism of channelrhodopsin, a protein crucial for optogenetics. The research sheds light on how water molecules penetrate the cell membrane, enabling the protein to conduct ions. This breakthrough paves the way for more precise neurobiological applications.
Researchers at Ruhr-University Bochum are developing an aqueous lithium-ion battery that could improve the performance, lifespan, and price-performance ratio of existing batteries. The goal is to produce a more efficient and cost-effective energy storage device for use in power supply systems.
Researchers propose a new 'theory of mind' approach: infants as young as 1 year old can distinguish their own beliefs from those of others. They develop this capacity through two interacting systems, including an association module and an operating system.
Researchers at Ruhr-University Bochum found that enzymes are only imported into peroxisomes when their transport proteins are recycled. This discovery supports the export-driven-import model and sheds light on the complex process of protein import.
Researchers at Ruhr-University Bochum cracked European Telecommunications Standards Institute (ETSI) encryption algorithms used in satellite phones, revealing significant weaknesses.
A study published in PNAS found that the middle finger reacts slower than the thumb and little finger due to inhibitory influences from both sides. Targeted learning protocols can compensate for this delay by reducing inhibition and improving neural plasticity.
Researchers found oxygen molecules remain stable up to 1.9 terapascals, then polymerize, showing unique electrical conductivity patterns. The molecule's behavior is influenced by its double covalent bond and lone pairs, which repel other molecules and hinder polymerization.
A research team led by Prof. Dr. Wolfgang Linke has discovered that protein networks play a crucial role in stabilizing muscle fibers using the same mechanism as DNA methylation. The study found that disrupting this network leads to significant changes in muscle structure and function.
Researchers found that grass smut fungi can form hybrids with other species, which could lead to new plant diseases and accelerated evolution. The discovery was made possible by the collaboration of RUB Geobotany Laboratory and Heinrich Heine Universität in Düsseldorf.
Researchers at Ruhr-University Bochum found that sildenafil, the active ingredient in Viagra, makes stiffened cardiac walls more elastic. The drug activates an enzyme that phosphorylates the giant protein titin, causing blood vessels to relax and improving diastolic distensibility.