Articles tagged with Protein Synthesis
Researchers at Karolinska Institutet describe a new way of generating insulin-producing cells using a molecule that stimulates protein synthesis and boosts insulin production. The study shows promise for treating type 1 and 2 diabetes, potentially increasing the number of insulin-producing pancreatic β cells.
Scientists at Karolinska Institutet and Stockholm University have visualized the machinery that mitochondria use to form their proteins. This discovery presents opportunities to design more specific antibiotics and cancer drugs.
Researchers have uncovered a dynamic mechanism for mitoribosomal small subunit biogenesis and preinitiation. The study's findings reveal a multistep assembly pathway controlled by an allosteric mechanism, with essential modifications occurring at each step.
Scientists discover that activating TAK1 in skeletal muscle promotes muscle growth and prevents atrophy, with implications for treating conditions like cancer, COPD, and genetic diseases. The research also highlights the importance of maintaining healthy neuromuscular junctions.
Researchers found that a common asthma medication can bind to and block the Nsp1 protein of SARS-CoV-2, preventing it from shutting down vital proteins in human immune cells. The study suggests that targeting this region could be an effective way to reduce damage inflicted by the virus.
Researchers studied peptide bond formation between tRNA molecules and a ribosomal RNA segment, revealing the potential for minihelices to bind to the primordial peptidyl transferase center. The study suggests that functional interactions between tRNA and PTC could have been 'revised' in evolution.
Researchers developed a live imaging system to observe collagen synthesis in fibroblasts, revealing the intracellular processing and transportation of collagen fibers. The study found that this step controls the speed of collagen synthesis, providing a new understanding of collagen production.
A team of researchers has identified a bacterial protein called MutS2 that detects stalled ribosomes and marks them for destruction. The discovery sheds light on the fundamental process of quality control in bacteria, which may also play a role in neurodegenerative diseases in humans.
A research team has discovered how the Covid virus reproduces itself by taking over the cell's protein factory. The team identified a specific structure in viral mRNA that allows the virus to access the ribosome and produce its own proteins, while blocking cellular production. This discovery opens up new avenues for antiviral treatments.
Researchers have developed a method to assess drug potential for rare disorders by profiling FDA-approved drugs. The study identified NMD modulators that could potentially treat hundreds of disorders associated with nonsense-mediated RNA decay.
Scientists discovered that surviving bacteria share a common feature: they accumulate acid in their cells, shutting down protein synthesis. This leads to increased survival and can be exploited to develop new antimicrobial treatments.
Researchers identified a mechanism by which two antiviral genes, SAMD9 and SAMD9L, promote childhood cancer when mutated. The study found that this protein region performs the toxic function through binding to nucleic acids.
The study found that cell nuclei become less solid and more liquid-like as they differentiate, allowing them to commit to a specific path. This change is linked to the aggregation of chromatin and fine-tunes how responsive the nucleus is to external forces.
Researchers at the Max Delbrück Center have developed a therapeutic agent to improve treatment of heart failure with preserved ejection fraction. The new approach targets alternative splicing in cardiac disease, using antisense oligonucleotides to stabilize sensitive molecules and trigger desired response.
Researchers at MDI Biological Laboratory discovered that muscle tissue is protected from reduced protein synthesis during nutrient scarcity, accelerating growth and reproduction. The study suggests potential for developing anti-aging drugs preserving muscle tissue while prolonging lifespan.
Researchers discovered that chemotherapy drugs can affect protein synthesis in muscle cells, even at low doses. This finding has significant implications for cancer treatment and exercise rehabilitation programs, suggesting that even non-oxidative stress effects of chemotherapy should be considered.
Researchers at Rice University have discovered a new mechanism by which prions can regulate protein synthesis in cells. The model proposes that prion aggregates and their monomers play a role in channeling RNA messages into new proteins, forming organized protein synthesis factories. This discovery has implications for our understandin...
A team of researchers from Tokyo Tech has identified intrinsic regulatory mechanisms that enable nascent polypeptides to stabilize ribosomes and maintain uninterrupted translation. This discovery highlights the importance of peptide sequences in regulating protein synthesis.
PKU researchers harness higher order protein catenation to create complexed topological proteins, leading to the synthesis of artificial antibodies with enhanced affinity and prolonged serum half-life. The study successfully expands toolkits for protein entangling motifs, promoting advanced protein therapeutics.
Researchers from Kazan Federal University have developed a gene-cell preparation that uses membrane vesicles to target and kill cancer cells. The technology has shown promise in treating various types of cancer, including breast, lung, and colon cancer.
A team of researchers from IOCB Prague has discovered a new type of nanoparticles capable of safely transporting various types of nucleic acids used for therapeutic purposes into cells. The universal nature of their system sets it apart from existing solutions, allowing for efficient transport of mRNA and other RNA molecules into cells.
A recent study published in Cell Metabolism found that reducing naturally occurring errors in protein synthesis improves both health and lifespan. By engineering a mutation in ribosomes, researchers observed fewer protein mistakes and improved heat resistance, leading to longer lifespans in yeast, worms, and fruit flies.
A mathematical model developed by researchers at the University of Cambridge can predict the optimum exercise regime for building muscle. The model takes into account individual physiology and optimizes exercise regimes based on user input, promising to maximize athletes' potential.
Researchers developed a small molecule that reads through premature stop codons in genes, restoring CFTR protein function. The compound, SRI-41315, showed greater readthrough efficiency than its predecessor, SRI-37240, and acted synergistically with G418.
A University of Pennsylvania-led study found that protein actin's nucleotide sequences, not amino acid sequences, govern its functions in cells. The faster translation rate of beta-actin mRNA causes it to attach to substrates more strongly, slowing down cell movement.
A recent study published in The Journal of Nutrition found that animal-based protein food sources elicited greater anabolic responses and increased whole-body net protein balance compared to plant-based protein food sources. This suggests that 'ounce equivalents' of protein food sources are not metabolically equivalent, and animal prot...
Researchers reprogrammed synthetic E. coli with multiple nonstandard amino acids to exhibit viral resistance. This breakthrough enables the creation of designer proteins with innovative properties.
Researchers at UNIGE discovered a new mechanism for regulating RNA maturation dependent on diet, finding that methylation of specific mRNA sequences leads to its degradation. This control mechanism ensures a fair balance of methylations and prevents aberrant reactions, which can cause diseases.
Scientists at Tokyo Institute of Technology use genetic engineering to produce protein assemblies from protein crystals. They successfully synthesized bundled protein filaments with precise arrangement and control.
This issue of APSB features studies on protecting against doxorubicin-induced cardiotoxicity via increasing YAP1 expression, as well as investigating alternative strategies to downregulate PD-L1 in gastric cancer cells. The journal also publishes research on a novel injectable micelle-hydrogel hybrid for localized drug delivery and tar...
Researchers at Skoltech have discovered new gene clusters that employ a 'Trojan horse' strategy to kill bacterial cells by preventing protein synthesis. These findings suggest the possibility of developing novel antimicrobial agents, which could be used to combat pathogenic bacteria.
A new study uses electron cryo-microscopy to reveal the molecular mechanism of bioenergetic protein synthesis in human mitochondria, revealing a more flexible and active mitoribosome than previously thought. The discovery sheds light on how medical disorders such as deafness and cancer development are linked to mitochondrial function.
Researchers reveal the molecular mechanism of membrane-tethered protein synthesis in human mitochondria, shedding light on its dynamic structure and function. The discovery could explain how mitochondrial disorders such as deafness and cancer develop.
Scientists observed disulphide bridge formation in ribosomal exit tunnel during protein synthesis, challenging previous assumptions. The discovery sheds new light on the causes of lens opacities and cataracts, a leading cause of vision loss worldwide.
Herbert Waldmann has been awarded the Richard Willstätter Prize for his groundbreaking work in chemical biology. He is recognized for developing novel approaches to create new active substances that can target specific biological processes, such as stopping cancer cell glucose uptake.
A new study in mice restores normal protein synthesis to repair memory function, suggesting a potential means to address the loss of cognitive function due to Alzheimer's disease. Researchers found that administering synthetic pharmaceuticals, such as ISRIB, can revive lost cognitive functions and restore synaptic plasticity.
Researchers at Charité Universitätsmedizin Berlin have visualized the structure of ribosomes in nerve cells at near-atomic resolution, revealing a new key factor Ebp1 controlling brain development and protein synthesis. This study provides insights into the regulatory processes involved in maintaining neuronal proteostasis.
Heidelberg researchers discovered that RNA synthesis and protein translation play crucial roles in shaping organ functions. The study analyzed over 100 billion gene expression fragments, revealing the importance of regulatory mechanisms at both layers of gene expression.
A team of neuroscientists has identified processes the brain uses to distinguish real and present dangers from those linked to past experiences in mice. The findings have significant implications for our understanding of post-traumatic stress disorder (PTSD), where patients struggle to distinguish between safety and threat cues.
A McGill-led research team found that protein synthesis in inhibitory cells plays a crucial role in controlling long-term memory. The study identified two distinct processes taking place in excitatory and inhibitory networks, with each neuronal system capable of selective manipulation for memory control.
Researchers analyzed Parkinson's patient skin cells to discover reduced protein synthesis due to active LRRK2 enzyme. Adding LRRK2 inhibitor drugs restored normal protein production levels. The study suggests a critical role for LRRK2 in controlling protein synthesis and may lead to biomarker development and improved treatment options.
A study reveals that amyloid protein alpha-synuclein found in Parkinson's brains is also present in skin cells producing melanin, modulating protein fibril formation and suggesting a molecular link between the two diseases. The discovery may explain the observed association between Parkinson's disease and melanoma.
Researchers discovered how SARS-CoV-2 inhibits protein synthesis in infected cells, effectively disarming the body's immune response. The Nonstructural Protein 1 (Nsp1) is a central weapon used by the virus to replicate and propagate, targeting the 40S subunit of ribosomes.
Researchers at Skoltech identify a component of a bacterial self-defense system that works by targeting transfer RNAs for glycine, disrupting translation and protein synthesis. The discovery may lead to the development of powerful new antibiotics by controlling each step of protein synthesis.
Researchers found that activating specific receptors can induce synaptic plasticity without structural changes, challenging the long-held assumption about spine size and strength. The study provides a potential new avenue for treating Fragile X syndrome by targeting an unidentified protein promoting synapse shrinkage.
Researchers at MIT develop an automated tabletop machine that can synthesize hundreds of amino acids within hours, reducing the time required to generate synthetic proteins. This technology could speed up the manufacturing of on-demand therapies and enable scientists to design artificial proteins with superior biological function.
Researchers at Immanuel Kant Baltic Federal University have found a way to increase wheat immunity by stimulating the biosynthesis of secondary compounds. This breakthrough could lead to the development of pre-sowing treatments that enhance plant resistance to environmental stresses.
The study found that an mRNA molecule's lifetime is correlated with the rate of protein synthesis, and a key protein complex plays a crucial role in this process. The researchers used cryo-electron microscopy to identify the molecular basis for the link between mRNA degradation and ribosomal efficiency.
The European Union Twinning project will fund the training of young researchers from Masaryk University at Mainz University's Institute of Molecular Biology. The three-year project aims to establish a leading-edge cluster for RNA research at Masaryk University.
Researchers identified a novel mutation in the S6K1 enzyme that affects protein synthesis and is associated with altered cognitive abilities in children with autism spectrum disorder. The study found that this mutation changes the course of normal neural development and memory forming capacity.
Researchers at NCBS found that mistakes in protein synthesis increase the production of a quality control molecule, triggering an early DNA repair response and enhancing mutational resistance. This general advantage of mistranslation persists due to its occasional benefits under stress.
Researchers from Chinese Academy of Science develop a more efficient and cost-effective way to accurately synthesize DNA, increasing accuracy by nearly seven-fold. The new error-correction system uses chemical stabilizers to extend the life of key proteins, reducing costs and labor time.
A new study reveals that maternal obesity triggers cellular stress in the endoplasmic reticulum, disrupting hypothalamic development and leading to offspring obesity. Bile acid treatment mitigates these changes, reversing obesity-related metabolic issues in mice offspring.
A team of researchers at the University of Basel's Biozentrum has uncovered a genetic signature that enables cells to adapt their protein production according to their state. This mechanism plays a crucial role in regulating protein production during cell division, which is essential for efficient use of cellular resources.
Researchers at Goethe University develop a new method to measure acute cellular stress responses, enabling precise time-resolved measurements of thousands of proteins. This breakthrough opens the door for new therapeutic strategies in diseases like cancer and neurodegenerative disorders.
A genetic screen in worms reveals TRAP-alpha as a crucial component of the insulin synthesis pathway, affecting both early and late steps. The findings support the idea that defects in insulin synthesis contribute to Type 2 diabetes, and may lead to new approaches for prevention and treatment.
A study published in Brain reveals that an increase in proteinaceous synthesis is linked to the degeneration of affected neurons in Huntington's disease. This finding could lead to the development of new therapies targeting this process.
Scientists at the Universities of Bayreuth and Bonn have found a way to regulate RNA molecule activity using blue light, enabling on/off control of gene expression. This breakthrough discovery is the basis for optoribogenetics, a new field of research.
Researchers engineered artificial proteins to self-assemble on a crystal surface, creating new biomolecules with customized colors, chemical reactivity or mechanical properties. The design enables the creation of novel materials and filters, such as tiny sensors and electronic circuits.
Scientists create ointment to treat melanoma and Merkel carcinoma by suppressing tumor protein synthesis. The ointment's delivery system overcomes stability issues, allowing it to penetrate damaged skin cells and prevent relapse.