Articles tagged with Rna Processing
A research team discovered that a protein complex consisting of SMG1, SMG8, and SMG9 ensures the efficient execution of nonsense-mediated mRNA decay (NMD). The study found that this complex is essential for maintaining the stability of NMD under various conditions.
Researchers identify circulating extracellular vesicles produced in diseased kidneys as the culprit behind toxicity in the heart. The discovery could lead to the development of a blood test to identify patients at high risk for serious heart problems and novel treatments to prevent and treat heart failure.
Researchers identified common aging-related alterations in genes involved in RNA splicing and processing across eight human tissues. These findings suggest a shared biological response to aging, pointing to the importance of RNA processing in accurate protein production.
A study by Max Planck researchers reveals that the ELAV protein acts as a global master switch for circular RNA (circRNA) production in neurons. The discovery explains the high prevalence of circRNAs in the nervous system, which are crucial for development and synaptic function.
Research reveals DHX36 plays a crucial role in normal chromatin architecture and rRNA homeostasis during oocyte growth. DHX36 deficiency impairs meiotic maturation, post-fertilization embryonic development, and disrupts ribosome assembly.
Researchers have discovered a key cellular mechanism regulating mRNA vaccine delivery and stability, proposing a new paradigm for mRNA therapeutics. The study highlights the importance of N1-methylpseudouridine modification in enhancing mRNA vaccine effectiveness.
Researchers from Prof. Yardena Samuels's lab developed a new approach to cancer treatment by manipulating cancer cells to produce dozens of suspicious proteins, leading to a powerful immune response that destroys human cancer cells and slows tumor growth in mouse models.
Scientists found that piRNA rapidly catches up with changes in jumping genes, improving efficiency through a competition between sites. This unique property of piRNA has implications for medical research and potential diagnostic or therapeutic strategies against unwanted genetic mutations.
Researchers at Martin-Luther-Universität Halle-Wittenberg have developed a new avenue to combat the Cucumber mosaic virus by directing the plant's natural defences. The RNA-based active agents have shown high efficacy in laboratory experiments, protecting 80-100% of treated plants from infection.
Researchers from Yale University and Altos Labs have identified age-invariant genes that stay the same across all tissues during aging. These genes are linked to essential cellular functions, challenging the common belief that gene dysregulation drives aging.
A new study identified unique subpopulations of fat cells with complex predicted functions, and even found differences between human fat tissues in intercellular communication. The discovery provides a basis for further research to advance personalized medicine in obesity.
Researchers found that a rare genetic syndrome causes different damage mechanisms in male and female brains, affecting neurogenesis and energy production. The study suggests that the ADNP protein plays a crucial role in brain development and aging, with distinct functions in males and females.
Researchers at Arizona State University propose a unifying explanation for Alzheimer’s disease, focusing on the role of chronic stress granules in disrupting gene activity. The condition causes massive changes in gene expression, affecting every known neuropathology and clinical manifestation.
Researchers at EMBL Grenoble identified significant differences between the trypanosomal and human nuclear cap-binding complex, a key player in cellular RNA metabolism. The study reveals major differences that could serve as a potential drug target for treating neglected tropical diseases.
Research unveils role of hydrogen peroxide in regulating SlALKBH2 stability and activity, essential for proper tomato fruit ripening. The study also highlights the significance of redox regulation of m6A modifiers in controlling fruit development.
Researchers have identified a 177-gene signature common to metastasis across cancers, allowing for personalized risk assessment and potential therapies. The discovery could lead to broader treatment options, faster drug access, and improved patient outcomes.
The study reveals how the Balbiani body transforms from liquid droplets into a stable core, guiding early embryonic development. The team uncovered the role of microtubules in regulating Bucky ball protein granule movement and organization.
A UCI-led research team has discovered intricate molecular mechanisms driving RNA processing defects in Huntington's disease, linking it to other neurodegenerative disorders. The findings suggest targeting key processes like RNA splicing and modification could lead to new treatments for HD and other diseases.
Researchers capture dynamic interplay between RNA polymerase and ribosome, revealing emergent behaviors and communication between the two molecular machines. The study offers new insights into how transcription and translation work together, potentially leading to new ways to fight bacterial pathogens.
A study by Weill Cornell Medicine researchers found that SARS-CoV-2 virus infection causes significant damage to mitochondria in infected cells, leading to an overactive renin-angiotensin-activation-system (RAAS) and associated blood clotting. This damage contributes to the multi-organ damage seen in severe COVID-19.
Researchers use cryo-electron microscopy to study Microprocessor's interactions with primary microRNAs. The protein can process multiple pri-miRNAs due to its flexibility and 'tentacle-like' properties.
Researchers have shed new light on gene expression by visualizing ribosomes in unprecedented detail. The study reveals a molecular mechanism for mRNA delivery to the ribosome, advancing our understanding of gene expression at the molecular level.
Researchers discovered that p14<sup>ARF</sup> activates tumor suppression by forming gel-like assemblies in the nucleolus, disrupting ribosome production and cell toxicity. This process contributes to cancer cell death, providing a new mechanism for tumor suppression.
Researchers have discovered a gene called NANOG that can improve nerve regrowth and re-establish innervation in damaged muscles after traumatic nerve injuries. This discovery has significant potential to help mitigate long-term disability for people with debilitating nerve injuries.
Researchers from UT Arlington sequenced RNA genes of pythons, discovering conserved pathways in humans that are activated uniquely by these snakes. This knowledge helps explain intestinal regeneration and metabolism changes, offering potential therapeutic targets.
Researchers discovered a new function of the RTP801 protein, which affects RNA processing and alters protein synthesis in Alzheimer's brains. The study may lead to new therapies to preserve brain function and neuronal health.
Researchers at U of T have discovered that C2H2 zinc finger proteins, which primarily bind to DNA, also regulate RNA processing through various mechanisms. These proteins modify mRNA, controlling its length and altering it after transcription.
Researchers at Nagoya University developed an innovative synthesis technology to produce high-purity, fully chemically synthesized mRNA. This breakthrough cuts down the production time and can be used to address concerns about purity and speed in mRNA vaccine development.
Plant cells use a mechanism called telescripting to monitor and control protein production, preventing premature completion of gene expression. This process is crucial for maintaining accurate gene function and has potential applications in making plants more resistant to climate change.
A new study found that common breast cancer treatments, including chemotherapy, radiation, and surgery, can increase expression of aging markers in breast cancer survivors. The study suggests that these treatments can have a more extensive impact on the body than previously thought, leading to accelerated biological aging.
For the first time, researchers have demonstrated how mechanical forces affect gene expression by showing that RNAP polymerase remains on the DNA template and can be pulled to start a subsequent cycle of transcription. This force-directed recycling mechanism can change the relative abundance of adjacent genes.
A recent study published in PNAS explores how plants combine clock signals with environmental cues under naturally fluctuating conditions. The research team developed statistical models that accurately predict gene expression activity under control of circadian clock responses to environmental signals.
A new study reveals a link between senescent cells and the protein HIRA, which helps pack and unpack DNA. The research team discovered that HIRA is necessary for the cells to begin emitting inflammatory molecules, leading to chronic inflammation in the body.
Scientists have discovered a novel mechanism of dosage compensation in platypus and chicken, where protein levels are balanced despite imbalanced mRNA levels. This finding challenges previous assumptions about the role of RNA in gene expression.
Researchers have developed a smart RNA capable of regulating gene expression in response to various signals, enabling the precise design of gene therapies and advanced personalized treatments for diseases.
A team of scientists captured a clear picture of the structural changes and intermediates that form during the initial stages of RNA polymerase binding to DNA. The findings provide new insights into the fundamental mechanisms of transcription and shed light on long-standing questions about the initiation mechanism.
Researchers at Istituto Italiano di Tecnologia and EMBL unveiled how to modulate gene expression using small molecules. The study aims to develop new drugs specific to genetic mutations or alterations responsible for the onset of tumors or genetic diseases.
Researchers at Arizona State University created a detailed map of the 3'UTR regions of RNA in C. elegans, revealing crucial elements for gene regulation and protein production. The study provides valuable insights into the machinery of gene control, shedding light on fundamental biological processes essential to human health and disease.
Researchers at U of T have harnessed CRISPR to efficiently and precisely control RNA splicing, enabling the systematic interrogation of gene functions and correction of splicing deficiencies in diseases. This new tool allows for targeted activation or repression of alternative exons with high specificity.
Researchers created an integrated cellular map of a mouse model heart, pinpointing cells and pathways involved in fibrosis. The study identified myofibroblasts as the major drivers of scarring, but also discovered a 'matrifibrocyte' form that may prevent scar resolution.
Researchers have developed a method to mask and regulate RNA activity and delivery using post-synthetic acylation chemistry and dynamic disulfide exchange reactions. This strategy allows for efficient RNA delivery into cells without getting trapped in lysosomes.
Scientists discover that multiciliated cells use cell division to control hair-like projections called cilia. This adaptation breaks the cancer-preventing rule of making only four centrioles per cell, producing hundreds instead.
A recent study found that the SMCHD1 protein plays a crucial role in regulating alternative splicing, which affects the progression of FSHD. Mutations in SMCHD1 lead to splicing errors, disrupting genes like DNMT3B and causing harmful overexpression of DUX4.
A new study reveals that AGO's N-terminal extension interacts with PRMT5 to catalyze arginine dimethylation, affecting RNA-guided mechanisms. This process fine-tunes gene regulation in plants, impacting development and stress responses.
Researchers elucidated the spatial structure and molecular mechanisms of 'prime editor,' a novel gene-editing tool that achieves reverse transcription without DNA cutting. This breakthrough contributes to designing gene-editing tools accurate enough for gene therapy treatments, opening new avenues for both basic and applied research.
Researchers discovered that hnRNPM prevents errors in protein synthesis by blocking pseudo splice sites, maintaining accurate mRNA molecules. In its absence, cancer cells exhibit increased cryptic splicing, triggering interferon immune responses and potentially driving disease progression.
The study investigates the anticancer potential of CLK kinase inhibitors 1C8 and GPS167, which inhibit CLOCK kinases and affect cancer cell proliferation. The compounds also alter the expression and alternative splicing of transcripts involved in EMT and antiviral immune response.
Researchers have identified over 2000 protein-coding genes that change significantly between summer and winter in the starfish's reproductive process. This study provides a promising breakthrough in understanding how crown-of-thorns starfish communicate during reproduction, which could lead to the development of natural pest control me...
Researchers developed a method to quantify mRNA transcription and degradation rates within individual cell types, uncovering varied regulatory rates across genes. The study provides novel insights into how pluripotent cells adopt specialized identities through gene expression.
LMU researchers identified key enzymes involved in recognizing foreign RNA for TLR7 activation, including RNase T2 and PLD exonucleases. These findings provide important insights into the complex activation mechanism of TLR7, which plays a crucial role in defending against viruses.
A new atlas of early brain development has been created, allowing researchers to understand the genetic processes behind brain tumor formation in children. The study's findings may lead to new treatments for this rare but deadly disease.
Researchers identify TRMT10C enzyme causing methylation of ND5 mRNA, leading to mitochondrial dysfunction and reduced energy supply to the brain. Impairment of complex I in the respiratory chain contributes to Alzheimer's disease pathology.
Researchers identified a small RNA-binding protein called La that promotes gene editing with high efficiency. The team created a new protein, PE7, which harnesses La's activity to enhance prime editing, leaving unwanted byproducts at low frequencies.
Researchers at Tokyo University of Science discovered a new ribozyme, R3C ligase, that catalyzes the formation of a 3',5'-phosphodiester linkage between two RNA molecules. This finding sheds light on the molecular evolution of RNA and its potential applications in nanobiotechnology.
A new study reveals that different chromosomes have separate end-specific telomere-length distributions, challenging the scientific consensus. Researchers found that most telomeres were either the shortest or longest across all individuals, suggesting that specific chromosome ends may be the first to trigger stem-cell failure.
Researchers developed a novel statistical approach to accurately estimate RNA decay rates, finding that bacterial RNAs have significantly shorter half-lives than previously thought. This discovery has implications for understanding gene expression and protein production in bacteria.
A study published in Nature Methods found that GPT-4 can accurately interpret cell types from single-cell RNA sequencing data, matching human expert annotations in over 75% of cases. The model's robustness and speed were also demonstrated, making it a promising tool for cost-efficient and seamless cell type annotation.
Researchers at NTU Singapore have created a chip that can directly isolate blood plasma from a tube of blood in just 30 minutes, removing over 99.9% of blood cells and platelets. The device, called ExoArc, enables high-quality plasma for disease screening and research, improving diagnosis accuracy and reducing waiting times.
Researchers at IMBA discovered a parent-of-origin effect in nematodes, suggesting the first step in genomic imprinting's evolution. This finding provides insight into how imprinting arose independently in mammals and plants over 100 million years ago.
Researchers at John Innes Centre used cryo-EM to visualize the structural architecture of chloroplast RNA polymerase and build a detailed atomic model. The study reveals new insights into transcription, a fundamental step in making photosynthetic proteins, and how these proteins interact with DNA and mRNA.