Articles tagged with Rna
Researchers identified a family of RNA molecules, B2-SINEs, that stimulate growth in peripheral nerves and brain neurons after injury. These findings may lead to new treatments for nerve injuries and neurodegenerative diseases.
Bentham Science Publishers announces that MicroRNA has been awarded an Impact Factor ranking for 2024. The journal continues to lead the list with a 2024 impact factor of 5.3, followed by Recent Patents on Anti-Cancer Drug Discovery and Current Medicinal Chemistry.
A team from Kyushu University has discovered that the smallest known protein-based tRNA-processing enzyme, HARP, forms a star-shaped complex to cut both ends of tRNA. This finding sheds light on how HARP processes the 5' leader sequence and reveals a new mechanism for RNA processing.
A new technology, Toti-N-Seq, harnesses the presence of N-glycans to tag cells and nuclei, achieving precise sample multiplexing without cell-type or species restrictions. This enables accurate single-cell profiling, preserving rare cell populations and reducing doublet rates.
AIMP3 is essential to avoiding mistakes in protein synthesis, not affecting protein production, according to Brown University researchers. The discovery could lead to new treatments for heart diseases linked to homocysteine buildup and has implications beyond the heart.
Researchers used time-restricted feeding to restore microbial rhythms in mice fed a high-fat diet, identifying bile salt hydrolase as a key enzyme protecting metabolic health. Engineered gut bacteria showed improved glucose control and reduced body fat in mice, suggesting potential targeted therapies for obesity and diabetes.
Researchers at KAIST have developed a groundbreaking technology capable of selectively acetylating specific RNA molecules within the human body using the CRISPR-Cas13 system. This breakthrough enables precise, programmable control of RNA function and is expected to open new avenues in RNA-based therapeutic development.
Researchers found that amino acids can actively promote RNA polymerization under mild, prebiotic conditions, increasing formation by up to 100-fold. This process is driven by acid-base catalysis, enabling the shuttle of protons in the reaction. The study suggests a mutual dependence between RNA and amino acids, reshaping our understand...
A Chinese Medical Journal study investigates the role of non-coding RNAs in pancreatic cancer, revealing how dysregulation of these molecules contributes to tumor growth and treatment resistance. The research highlights potential therapeutic targets for this devastating disease.
Researchers at Stanford University have developed a new CRISPR technology called CRISPR-TO that can transport RNA molecules to specific locations within neurons, enabling repair and regeneration. The technology has shown promising results in increasing neurite growth by up to 50% in mouse brain neurons.
Scientists have identified a brain molecule called NEAT1 that appears to play a central role in triggering light sensitivity (photophobia) during migraines. By disrupting the normal balance of nerve signaling and pain regulation, NEAT1 makes nerves more sensitive to light.
Researchers at UC San Francisco have identified potential protein markers for frontotemporal dementia (FTD), a form of dementia affecting middle age. The study found changes in RNA regulation and brain connections that could lead to early diagnosis and targeted treatments.
A UC San Francisco-led study found that delivering medicine for spinal muscular atrophy (SMA) via the amniotic fluid was safe and helped prevent damage to nerve cells. The therapy used molecules called antisense oligonucleotides (ASOs), which can alter gene expression, and was tested in mice and sheep with promising results.
Researchers discovered that METTL3, an oncogene, regulates the expression of SMAD4 via miR-146a-5p in OSCC. This pathway can potentially have therapeutic implications for treating oral squamous cell carcinoma.
The study found that mRNA-1083 induced higher immune responses than standard care influenza and COVID-19 vaccines, with an acceptable tolerability and safety profile. The vaccine met noninferiority criteria for all 4 influenza strains and SARS-CoV-2 across various age groups.
Researchers will gather in Italy to review a decade of work on promoting healthy aging and extreme longevity. The study aims to identify key factors that contribute to the remarkable health of residents over 100 years old.
Researchers found that a chemical modification on messenger RNAs triggers disposal while being read by the ribosome, but during cell stress, this process is halted, allowing stress-response proteins to accumulate and help cells recover. The study may have implications for cancer therapies targeting m6A modifications.
A centralized and accessible database aims to integrate molecular simulation data, ensuring findability, accessibility, interoperability, and reusability. This will amplify the impact of these data and avoid duplication.
Researchers from Scripps Research and Georgia Institute of Technology have found that the formose reaction can only produce branched sugars, contradicting the widely-held hypothesis. This discovery may help scientists understand how life arose on Earth and lead to better biofuel production.
The Phytovirome Focus Issue addresses fundamental and translational aspects of phytovirome science, highlighting the transformative role of high-throughput sequencing technologies. Researchers discovered a remarkable diversity of viruses in plants, with complex communities interacting with hosts in both pathogenic and beneficial ways.
NuFold, a computational solution developed by Purdue University researchers, uses machine learning techniques to predict the 3D structures of RNA from its sequence. This breakthrough has wide-ranging potential applications in understanding RNA mechanisms and drug development for diseases involving RNA.
Biologists have identified a new type of regulation that influences the expression of about half of all human genes by targeting specific introns. This discovery adds complexity to the process of gene expression and suggests potential therapeutic targets for diseases such as blood cancers and spinal muscular atrophy.
Researchers developed a breakthrough technology using Mirvie's RNA platform to identify unique molecular signals in unborn babies. This innovation enables prediction of severe fetal growth restriction, a leading cause of stillbirth.
A University of Oklahoma research team has developed a breakthrough method of adding a single nitrogen atom to bioactive molecules, transforming them into new pharmacophores. This process, called skeletal editing, could open up uncharted regions of chemical space in drug discovery, making existing drugs cheaper and more accessible.
Researchers have identified three distinct subtypes of osteosarcoma using advanced mathematical modeling and machine learning. This breakthrough could transform clinical trials and patient care by enabling targeted treatment personalized to individual cancer subtypes.
Researchers at the University of Würzburg have discovered a new degradation process for mRNA that targets proteins involved in cell differentiation. This process, triggered by the m6A modification, is significantly faster and more efficient than previously known mechanisms.
Researchers developed a new tool called SigRM to analyze single-cell epitranscriptomics data, enabling the study of RNA modifications in individual cells. This can provide valuable insights into gene regulation and its impact on health and disease, particularly in complex conditions like cancer.
Scientists have captured 3D snapshots of individual RNA nanoparticles in motion, showcasing the dynamic and intricate folding process. This breakthrough uses advanced electron microscopy to study RNA's flexibility, enabling new insights into its structure and potential applications in molecular medicine.
A groundbreaking microscopy method called TRISCO has enabled detailed three-dimensional RNA analysis at cellular resolution in whole intact mouse brains. The new method allows for the study of complex brain anatomy without sectioning, providing a powerful tool for brain research.
Exposure to multiple environmental stressors simultaneously impairs the ability of herring larvae to react at a molecular level, reducing their capacity for acclimatization. This can lead to increased protein damage and cell injury, potentially affecting growth and survival.
A team of researchers has identified a mechanism that interferes with the splicing process in a more subtle way, leading to cell death. The study reveals that spliceosome subunits U4, U5, and U6 are normally stabilized by protein USP39, but when mutated or absent, stability is compromised, causing incorrect connections during splicing.
A team of biologists at UT Arlington has discovered a new species of gecko, Pseudogonatodes fuscofortunatus, with distinct skeletal features and genetic data. The discovery highlights the unique characteristics of this tiny lizard, found in the Paria Peninsula of Venezuela.
A team at Penn State developed an experimental pipeline called Cleavage High-Throughput Assay (CHiTA) that can test the activity of thousands of predicted twister ribozymes. The study identified approximately 94% of tested ribozymes as active, revealing their function can persist even with slight imperfections.
Researchers have found that Alzheimer's disease and alcohol use disorder are associated with similar gene expression changes in the brain, including inflammation and disrupted cell signaling. This study may inform future targeted treatments for Alzheimer's and highlight the importance of considering alcohol use as a risk factor.
Researchers demonstrate the first cross-chiral exponential amplification of an RNA enzyme, potentially leading to the development of cross-chiral therapeutics and biotechnologies. The discovery suggests that a bioengineer can create a new form of biochemical evolution by using both left- and right-handed molecules.
Researchers at Colorado State University have identified an alternate method to study changes during the DNA replication process in lab settings using genetically modified yeast. This new approach provides a less toxic and quickly reversible alternative to hydroxyurea, allowing for better insight into cell cycle arrest mechanisms.
A new study reveals a connection between NF-κB signaling pathways and X chromosome inactivation in T cells, which has implications for understanding sex-based immune responses. Researchers found that the maintenance of X chromosome inactivation depends on nuclear factor kappa B (NF-κB), a transcription factor.
A new study found that 5-fluorouracil kills cells by interfering with RNA synthesis, not DNA damage. The findings suggest that combining 5-FU with drugs affecting RNA synthesis could make it more effective in patients with gastrointestinal cancers.
Researchers identify a plausible geological environment where nucleic acids can replicate and potentially lead to life. The study reveals a circular fluid flow at the gas-water interface drives strand separation, allowing replication to occur.
Researchers at Boston University discovered a new method to harness self-amplifying RNA to create more effective vaccines. The modified saRNA vaccine protected mice from severe COVID-19 disease with a lower dose than current mRNA vaccines. Longer duration of protein expression and reduced inflammation were also observed.
Researchers from Japan have discovered that Exportin-5 interacts with a broader spectrum of RNAs, including tRNAs, miRNAs, lncRNAs, and specific mRNAs. This study sheds light on the unique roles of Exp5 in RNA export within Drosophila cells.
A team of international researchers has discovered a surprising genetic mechanism that influences the vibrant patterns on butterfly wings. An RNA molecule controls where dark pigments are made during butterfly metamorphosis, shaping the butterfly's color patterns in a way previously unforeseen.
Researchers at Osaka Metropolitan University found compounds in nucleic acids from salmon DNA and torula yeast RNA inhibit cancer cell growth. These compounds may prevent cancer by stopping cell replication.
A team led by Harvard's Ryan Flynn has discovered the mechanism of how RNA is chemically linked to N-glycans, proving the existence of glycoRNAs. This finding broadens the scope of known glycoconjugates and opens new avenues for research into glycoRNA biology.
Researchers at TUM discovered a mechanism that enables double-stranded RNA molecules to form and remain stable in the primordial soup. This discovery has significant implications for understanding the origin of life and could lead to breakthroughs in medicine, particularly in vaccine development.
Researchers predict that circular RNAs will play a crucial role in cancer diagnosis and treatment, enabling innovative diagnostic and therapeutic developments. The study highlights the potential of circRNAs as biomarkers, therapy targets, and even immune response inducers against cancer cells.
A cross-sectional study found that men from disadvantaged neighborhoods had higher stress-related gene expression in their prostate tumors. This association suggests a potential link between neighborhood factors and aggressive prostate cancer.
Researchers at the Lewis Katz School of Medicine will investigate how injured heart cells communicate with other cells throughout the body using microvesicles known as exosomes. The study aims to understand how specific molecules, such as microRNAs, facilitate communication pathways between cells in the heart and vasculature.
This study found that lowering the fecal immunochemical test positivity threshold can achieve comparable sensitivity and specificity to the multitarget stool RNA test without additional testing. The findings are similar to previous observations with multitarget stool DNA testing, suggesting a potentially simpler screening method.
Researchers at the University of Leeds identified a surge in rare autoimmune cases linked to MDA5 autoimmunity, affecting mainly white men and women. The condition, characterized by skin rashes, pneumonia, and interstitial lung disease, has proven fatal in some cases.
The Penn researchers developed an mRNA vaccine targeting a specific subtype of the H5N1 virus, which elicited strong antibody and T cell responses in mice and ferrets. Vaccinated animals also cleared the virus more rapidly and displayed fewer symptoms than unvaccinated controls.
Researchers at IOCB Prague have developed a novel method for preparing ribonucleic acid (RNA) containing modified bases using engineered DNA polymerases. This opens the door to applications in chemical biology and therapeutic applications, including mRNA drugs.
A new study reveals that a specific RNA chemical modification, m6A, is crucial for HIV-1 virus replication and production. The research found that targeting this modification could lead to the development of new treatments for HIV infection.
A recent study by Martin Hetzer and colleagues shows that RNA molecules, crucial for cellular function, remain stable for two years in nerve cells of mice. These long-lived RNAs play a significant role in maintaining cellular longevity and protecting the genome.
Research reveals a mechanism by which daughter cells safeguard themselves against UV-damaged RNA inherited from mother cells. DHX9 stress granules, a special type of stress granule, trap and neutralize damaged RNA to prevent harm.
Researchers have discovered why some RNA-splicing drugs work better than others, revealing a key factor that impacts treatment efficacy. By analyzing the interactions between drugs and RNA, they found that combining splice-modifying drugs targeting the same gene segment can lead to greater therapeutic effects.
A long non-coding RNA called lncREST has been identified as a crucial component of the stress response during DNA replication. Its absence leads to impaired stress signalling, resulting in severe DNA defects and cell death. The discovery opens up new avenues for developing anti-tumour therapies.
A study published in Nature Cardiovascular Research reveals that a dynamic synergy between cell types facilitates cardiac renewal, challenging existing paradigms. Targeting the microenvironment rather than specific cell types is key to healing injured hearts.
Researchers have discovered the atomic structure of an RNA replicase using cryogenic electron microscopy, shedding light on a primordial 'RNA world' that kick-started evolution. The study provides structural insight into an ancient RNA machine thought to reside at the origin of life.
The American Society for Biochemistry and Molecular Biology is offering complimentary press passes for its annual meeting, Discover BMB, taking place in San Antonio from March 23-26. Qualifying journalists can register to attend the event or access press materials electronically.