Articles tagged with Protein Interactions
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Scientists have successfully engineered protein needles that can self-assemble into lattice structures and ordered monomeric states. The study's findings provide insights into protein-protein interactions and could lead to the development of biocompatible materials and targeted drug transports.
Plants respond to heat stress by activating a molecular defense pathway involving brassinosteroids, which increase heat stress resistance. Researchers at TUM discovered the role of transcription factor BES1 in this process.
Researchers found that the Alpha variant produces a protein to stifle infected cells' immune signals, allowing it to evade detection and accelerate transmission. Similar mutations exist in Omicron, suggesting potential strategies for developing drugs to help the immune system fight SARS-CoV-2.
Researchers at PSI have developed a platform to measure biased signalling in G protein-coupled receptors (GPCRs), enabling selective therapeutic effects and fewer side effects. By testing specially designed bivalent ligands, they can bias signalling towards desired pathways.
A special form of four-stranded DNA has been found to interact with the gene that causes Cockayne Syndrome when faulty. G-quadruplexes, which form knot-like structures in DNA, specifically bind to a protein called CSB, affecting its function and potentially leading to premature ageing.
A deep-learning model called D-SCRIPT predicts protein-protein interactions from primary amino acid sequences with high accuracy. The model enables the detection of functional subnetworks and can be applied to many species, including those with rare or lacking PPI data.
A research team developed an AI framework that analyzes protein interactions to predict effective and low-toxicity cancer drug combinations. The framework, GraphSynergy, outperforms conventional models in identifying synergistic combinations.
The study uses a new barcode system to track complex signaling activities in cancer cells and identify key protein interactions. The technique enables real-time analysis and synchronization of protein activity over time.
A new computational tool allows precise prediction of protein interfaces for COVID-19 and human interactions. This breakthrough enables researchers to better understand virus development, identify high-risk populations, and develop targeted drugs.
Researchers have discovered protein communities, like villages, serving cells by combining protein localization and inter-protein interactions. This breakthrough reveals new functions of proteins involved in ribosome production, essential for cell survival and disease prevention.
Scientists have clarified phytochrome's atomic-scale resolution, unlocking its role in regulating bacterial pathogenicities. The study provides a new photoactivation model explaining the signaling mechanism of black rot disease.
Researchers at MIT discovered how molecular clusters in the nucleus interact with chromosomes, forming small, stable droplets that give the genome a gel-like structure. This interaction helps control gene expression and maintain stable interactions between distant regions of the genome.
Cryo-EM study reveals details of DNA repair mechanism translesion synthesis (TLS), allowing cells to survive with mutations. Key protein complex Pol K - PCNA interaction modulated by ubiquitination facilitates recruitment of TLS polymerase to damage sites.
A new study uses deep learning to build three-dimensional models of protein interactions in eukaryotes, revealing hundreds of previously unknown complexes. This research has significant implications for understanding cellular processes and developing new medications for various health disorders.
A University of South Florida Health-led team discovered a lead candidate that selectively relaxes airway smooth muscle cells with no detectable drug desensitization. The biased beta-agonist, C1-S, offers a therapeutic option for asthma and obstructive lung diseases without the rapid loss of effectiveness seen with traditional β-agonists.
USP8 activity regulation has been decoded, revealing an autoinhibitory region that interacts with its catalytic region and enhances deubiquitinating activity in Cushing's disease. This discovery could lead to targeted therapy for the condition.
A recent study by Monash Biomedicine Discovery Institute has discovered a conserved syndecan protein that coordinates communication between the germline and the rest of the body. This mechanism is required for germ cells to divide correctly, generating offspring.
Researchers have used advanced microscopy to study the ultrastructure of huntingtin inclusions, revealing different mechanisms of aggregation that lead to distinct biochemical properties. The findings suggest targeting inclusion growth as a potential therapeutic strategy for slowing Huntington's disease progression.
Scientists at Tokyo Institute of Technology developed a new peptide sensor to detect and quantify water-soluble synthetic polymers in wastewater. The technique uses machine learning algorithm to identify and discriminate between different polymers.
A study at Weill Cornell Medicine reveals how drugs can affect membrane-spanning proteins, causing unwanted side effects. The researchers found that membrane-associated drugs can interact with these proteins in multiple ways, leading to changes in membrane characteristics.
Researchers developed a compound that regulates a biological channel linked to pain, reducing the sensation of pain in rodents. The compound, dubbed 194, successfully targets sodium ion channels and promotes pain relief by activating the body's endogenous opioid system.
A new multiplex network developed by Jörg Menche's research group maps all genes and their interactions, improving the identification of genetic defects and assessing their consequences. The network increases the probability of finding the crucial gene aberration threefold compared to separate networks.
A study has identified a specific protein, PHF3, that plays an important role in transcription and modulates the reading process of DNA. The absence of PHF3 or its binding site SPOC may lead to neuronal production defects, which could be linked to autism and glioblastoma.
Researchers aim to make drug purification more efficient and scalable by understanding unwanted element interactions. They explored ligand-surface interactions using NMR spectroscopy and simulations.
A research team led by Associate Professor Akira Kakugo of Hokkaido University has provided direct evidence that microtubules function as mechanosensors, slowing down kinesin movement when bent. This phenomenon is attributed to enhanced interaction energy between kinesin and deformed microtubule structural units.
Researchers have developed Mass-Sensitive Particle Tracking (MSPT) to analyze proteins on biological membranes in real-time. The method enables the determination of protein location and size changes without labeling, providing valuable insights into dynamic processes at the membrane.
Researchers at UMass Amherst discovered that molecular chaperones display 'selective promiscuity', enabling them to play a crucial role in maintaining healthy cells. This property allows chaperones to help many different proteins, which is essential for cell health.
A new study by Okayama University scientists shows that proteins' hydrophobic parts do not repel water as previously thought. The researchers used computational methods to find that the van der Waals force between hydrophobic parts stabilizes the unfolded structure, leading to folding.
Researchers at MUSC have discovered that hnRNP E1, a tumor suppressor protein, not only binds RNA but also DNA to maintain genome integrity and sense or prevent DNA damage. The protein's binding is sequence- and structure-specific, suggesting its potential role in preventing cancer metastasis.
Researchers identify structure and interaction between HCV E2 protein and CD81 receptor, revealing acidic conditions enhance binding and facilitate cell entry. This discovery provides new leads for developing an HCV vaccine by targeting specific antibodies against the virus.
Researchers at the University of São Paulo found that a hypertonic saline solution can inhibit SARS-CoV-2 replication by up to 88% in human epithelial lung cells. The study suggests that the use of such a solution could contribute to the development of novel prophylactic interventions or treatments for COVID-19.
Researchers designed novel molecules that bound tightly to SARS-CoV-2's molecular scissors, inhibiting the virus's replication. The breakthrough could lead to new treatments for COVID-19.
A study found that microgravity significantly impacts P-glycoprotein expression and function in rats, with higher levels of P-gp expression in long-term microgravity exposure. The researchers identified 26 proteins interacting with P-gp, which regulated ATP hydrolysis-coupled transmembrane transport and other functions.
Researchers used complex computer simulations to study the attachment of SARS-CoV-2 and its variants to human cells. They found that the virus has two main locations where it grabs onto the host cell receptor ACE2, with early strains having a slippery interaction at one region that becomes less slippery as variants evolve.
Researchers found that saliva protein adsorption is influenced by biomaterial surface properties, countering previous studies. The study lays groundwork for improving medical and dental implants' success by controlling the adsorption of proteins from blood plasma.
Researchers at McGill University identified proteins that drive cancer stem cells in brain tumours. Targeting the protein galectin1 may provide a more effective treatment for glioblastoma when combined with radiation therapy. The study found significant improvement in tumour response to radiation therapy, resulting in expanded lifespan.
Researchers identified two lectins, Clec4g and CD209c, that strongly bind to the SARS-CoV-2 Spike protein, blocking viral entry into cells. These findings hold promise for developing robust therapeutic interventions against circulating variants.
Researchers have developed a neural network model called BiteNetPp to detect protein-peptide binding sites, enabling the design of peptide-based drugs. The model consistently outperforms existing methods and can analyze a single protein structure in under a second, making it suitable for large-scale studies.
Researchers discovered a novel centromeric functional protein, Apolo1, which regulates PLK1 kinase activity and ensures accurate chromosome segregation. This discovery provides insights into maintaining genomic stability and stem cell proliferation.
The study describes the three-dimensional structure of the MUTYH protein and its interaction with PCNA, a key player in DNA replication. The researchers found that mutations in the MUTYH gene reduce its binding affinity to DNA and destabilize its structure, leading to decreased DNA repair activity.
Researchers found that a protein activator clamps down the active center of GTPase Ran, allowing efficient hydrolysis. This discovery may lead to the development of cancer drugs blocking this process.
Researchers identified a specific interaction between SARS-CoV-2 and G-quadruplexes in human cells. Using G4 ligands, they showed antiviral activity against the virus.
Researchers identified an immune component, STING, linked to Niemann-Pick disease type C, a condition with no effective treatments. The discovery suggests a new therapeutic target for the disease and offers hope for treatment with immune inhibitors.
Researchers at the University of Washington have developed RoseTTAFold, a freely available AI tool that can predict protein structures in just 10 minutes. This breakthrough accelerates research into cancer, COVID-19, and other diseases, and has already been used by over 140 independent research teams.
Researchers from Osaka University found that protein phosphatase 1 binds to RIF1 at broken DNA ends, blocking proteins that create single-stranded DNA tails, and promoting the non-homologous end joining repair pathway. This novel mechanism helps protect double-strand breaks from developing a tail, which is what Shieldin binds to.
A blood test that measures ACE2 protein and fragments can track SARS-CoV-2 infection evolution, according to a study. Patients with COVID-19 show reduced full-length ACE2 protein levels and increased lower molecular mass fragments.
Researchers at the University of Birmingham have developed a new screening method to test therapeutic molecules designed to bind proteins together. The method uses mass spectrometry to measure the precise mass of proteins and their 'glue' compounds, identifying the strongest glue to treat diseases.
A Mount Sinai study reveals the complex mechanisms of Ebola virus evasion, highlighting the critical role of VP24 protein in disrupting the nuclear envelope. This disruption compromises cell function, DNA leakage, and antiviral immunity, ultimately contributing to disease severity.
Researchers have determined the structure of a nanomachine essential for mTOR functioning, shedding light on its role in cancer and vital processes. The study opens up possibilities to interfere with these processes for therapeutic purposes.
Researchers identified 421 previously unknown interactions between Salmonella proteins and host cell proteins, including those involved in cholesterol trafficking. This approach sheds light on how Salmonella survives inside host cells by manipulating protein machineries and pathways.
MIT researchers develop a methodology for designing protein interactions that occur at a fast timescale, allowing circuits to respond within seconds. This approach has potential applications in creating environmental sensors and diagnostics.
A team at Tokyo Medical and Dental University identified four proteins that bind to Toc-HDOs, regulating gene silencing. The discovery provides a novel biological mechanism for Toc-HDOs, increasing understanding of how they silence genes.
A team of researchers from Tokyo University of Agriculture and Technology has developed a new approach to identifying and tagging specific proteins. They used multivalent gold nanoparticles as a scaffold to attach carbohydrate ligands and electrophiles, which allowed them to highly efficiently and selectively label carbohydrate-binding...
Researchers at Max Planck Institute successfully rebuilt the kinetochore, a complex assembly of proteins that binds to microtubules, in vitro. The reconstruction is a significant milestone in understanding how the kinetochore functions and paves the way for creating synthetic chromosomes.
Researchers have introduced a novel click reaction suitable for living cells and organisms, enabling the labeling of biomolecules without affecting physiological processes. The reaction uses linear, terminal alkynes and N,N-dialkylhydroxylamines to form biocompatible enamine-N-oxides.
A new study reveals that the connective tissue protein lumican promotes immune responses against bacterial infections while restraining overactive immune responses in sepsis. Lumican interacts with toll-like receptors on immune cells, stabilizing their interactions to increase activity and production of TNF-alpha.
A recent study has found evidence of a large coronavirus epidemic that occurred in the East Asia region more than 20,000 years ago. The researchers used genetic data from the 1000 Genomes Project to discover changes in human genes that suggest ancestors of East Asian people experienced an epidemic similar to COVID-19.
Researchers discovered a novel interaction between proteins hevin and calcyon, which promotes synaptic contacts and reorganization in the brain. This interaction helps to improve recovery from brain injury, particularly in adults, by reducing neuroinflammatory response-induced proteases and promoting early stages of recovery.
A new study uncovers the interplay between proteins involved in controlling the body's stress response and points to potential therapeutic targets. The research, led by McLean Hospital investigators, reveals how key proteins interact to regulate the body's response to stress.
Researchers found that fruit flies Drosophila melanogaster and Drosophila virilis use different mechanisms for dosage compensation. The primary components MSL2 and CLAMP are present in both species, but their binding sites on the X chromosome have evolved differently.