Articles tagged with Alternative Splicing
Researchers discovered a crucial role of alternative RNA splicing in schizophrenia by identifying genetic variants affecting splicing and protein isoforms. The study highlights the significance of unannotated isoforms in disease pathogenesis and suggests potential avenues for targeted therapeutic strategies.
Researchers have discovered a complex regulatory circuit involving SRSF1, AURKA, and MYC that promotes aggressive pancreatic cancer progression. The circuit, which involves alternative splicing, can be targeted with an antisense oligonucleotide to reduce tumor cells' viability and trigger apoptosis.
A study by University of California, Riverside scientists found that alternative RNA processing, or
Researchers identified a conserved splicing mechanism controlling the production of different proteins from the same gene, crucial for neuronal function and development. The study sheds light on how neuronal identity is established and maintained through alternative splicing.
Researchers at Chung-Ang University have identified a crucial role for specific tRNA fragments in cancer progression, revealing their ability to regulate gene expression and influence tumor growth. The study suggests that these fragments could serve as biomarkers for early-stage cancer detection and targets for therapeutic interventions.
Researchers from NUS and A*STAR have discovered a connection between the regulation of alternative splicing in different cell types and the predisposition to autoimmune diseases. The study used a population-scale single-cell gene expression profiling dataset to analyze splicing events specific to particular cell types, revealing ancest...
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 recent study highlights alternative splicing as a key regulatory mechanism in plant secondary metabolism, influencing the synthesis of essential metabolites like terpenoids and flavonoids. The research provides new insights for bioengineering approaches to enhance plant performance and metabolite production.
Researchers discovered that OTX2 interacts with splicing factors to control alternative splicing in genes fueling medulloblastoma development. Disturbing the PPHLN1 gene splicing with an anti-PPHLN1 drug reduces tumor growth, opening possibilities for improved treatments.
Researchers from Tokyo Medical and Dental University used long-read RNA sequencing to decode genetic intricacies and disease links. The study identified novel isoforms, cell-type-specific splicing patterns, and disease-linked transcripts associated with immune-related diseases.
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.
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.
A new study found extensive alternative splicing of messenger RNA in untreated multiple sclerosis patients compared to healthy controls. Interferon-ß therapy corrected dysregulated alternative splicing, linking it to future clinical exacerbations.
Researchers found a three-component signaling pathway in hepatic stellate cells that leads to collagen production and liver fibrosis. A novel RNA-based treatment, ASO, was designed to block this pathway, preventing fibrosis without side effects.
Researchers from Osaka University have identified erythromycin as a potential treatment for myotonic dystrophy type 1, a genetic disease characterized by progressive muscular weakness. The antibiotic showed acceptable safety and tolerability profiles in a phase 2 clinical trial, with some patients experiencing significant improvements ...
A team of researchers at Hokkaido University has discovered a new role for 4.5 SH RNA in mice, which plays a crucial role in regulating alternative splicing and may be the first identified member of a new class of regulatory RNAs.
A Purdue University research team has revealed complex new details about the function of a key protein shared by mammals, including humans. The study shows that DNA methylation plays an important role in how young, unformed mammalian cells divide and develop into more specialized cells.
Researchers have discovered a novel pathway that minimizes liver injury during transplantation by activating the protective CEACAM1-S version. This protective characteristic is regulated by HIF-1α and can be enhanced using molecular tools and alternative gene splicing, reducing organ injury and improving post-transplant outcomes.
A novel antisense therapy has restored fragile X protein production in human cell samples, revealing aberrant alternative splicing of messenger RNA as a key factor in fragile X syndrome. This finding offers real hope for developing new treatments and improving the lives of individuals affected by the condition.
Alternative gene splicing has been linked to an increased risk of alcohol use disorder (AUD), according to a recent study published in Molecular Psychiatry. The researchers identified 27 exon skipping events that may contribute to AUD risk, opening up new possibilities for finding new therapeutics.
Researchers developed a computational platform called IRIS to discover tumor antigens from alternative RNA splicing, expanding cancer immunotherapy targets. Hundreds of predicted TCR targets were found to be presented by human leukocyte antigen molecules.
Researchers at Drexel University have discovered the regulatory mechanism behind protein diversity generation and its malfunctioning as an early contributor to Alzheimer's development. The study suggests that the Tip60 enzyme plays a critical role in controlling RNA splicing, generating diverse protein variants necessary for learning a...
Scientists discovered how alternative splicing enables the compensatory increase of MBNL2 protein in response to MBNL1 loss-of-function. This mechanism, found in animal models and potentially applicable to human patients, may help explain disease variability and offer new therapeutic avenues for Myotonic Dystrophy Type 1.
Researchers discovered microexons, short DNA sequences that play a vital role in insulin secretion and glucose homeostasis. The study found that genetic variants affecting microexon inclusion are linked to type-2 diabetes risk and fasting blood sugar levels.
Researchers at Children's Hospital of Philadelphia developed ESPRESSO, a new computational tool that can accurately discover and quantify RNA molecules from error-prone long-read RNA sequencing data. This will enable better diagnosis of rare genetic diseases and discovery of potential therapeutic targets in cancer.
Researchers found significant immunological differences mediating sex differences in COVID-19 responses. Infected females had higher rates of symptoms but lower viral loads, with stronger immune response gene expression and molecular signatures.
Johns Hopkins Medicine researchers have developed a novel genetic engineering approach to deliver gene therapy by utilizing a cell's natural process to
Researchers from Tokyo Medical and Dental University have developed a new approach to analyze splicing variant data to identify disease-associated genetic variations. The study reveals that analyzing the coding sequences of gene splicing variants can help uncover the genetic basis of many diseases.
Assistant professor David Knowles at Columbia University wins a $500,000 NSF CAREER Award to develop a new framework and tools for analyzing alternative splicing in diseases such as ALS and cancer. The project aims to create more accurate algorithms for single-cell and long-read RNA-seq analysis.
The Max Delbrück Center researcher is investigating the mechanism of how the heart responds to environmental factors and adjusts its elastic properties. He plans to develop technologies for single-cell mechanics, -transcriptomics, -proteomics to enable higher rates of throughput for multi-omics approaches.
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 have identified thousands of novel brain-expressed gene isoforms, revealing a complex web of protein production in the brain. The study suggests that genes expressed in the brain may produce far more proteins than previously thought, with potential implications for diseases such as Alzheimer's and schizophrenia.
The Skoltech team created a genome-wide atlas of developmental alternative splicing changes in seven organs across six mammal species and chicken. Alternative splicing plays a crucial role in forming organs like the brain, heart, and testes, but is less significant for others like the liver and kidneys.
A new study identifies a strong cancer driver gene linked to alternative splicing changes in aggressive cancers. The researchers developed computational tools and biological model systems to analyze RNA sequences from nearly 900 prostate tissue samples, revealing over 13,000 alternative splicing events.
Researchers found that protein AKAP8 inhibits breast cancer metastasis by interfering with proteins that promote metastatic behavior. AKAP8 also predicts metastatic breast cancer outcomes in patients and can inhibit progression in animal models.
Researchers have developed a new analytical tool that uses deep learning to analyze RNA splicing patterns from modestly covered RNA sequencing data sets. This tool, DARTS, enables scientists to discover disease biomarkers and therapeutic targets more efficiently.
Breast cancer cells can shift between two forms of the cell surface molecule CD44, CD44s and CD44v, with different properties and behaviors. Cancer cells expressing mainly CD44s have increased metastatic behavior and resistance to therapy, while those expressing CD44v present increased cell proliferation.
Research reveals PRMT1-mediated alternative splicing is strongly linked to dilated cardiomyopathy, a serious heart condition. The study's findings provide new insights into the mechanism of DCM and may lead to the development of new treatments.
A study published in the Journal of the American Heart Association reveals that reproducing Scn5a missplicing in mice with myotonic dystrophy type 1 (DM1) recapitulates cardiac function defects present in patients. The findings highlight a non-mutational mechanism contributing to arrhythmias and open possibilities for novel interventions.
A study by ETH Zurich researchers has discovered new cancer-specific molecular changes in RNA molecules, which could inform the development of cancer treatments. The analysis found that alternative splicing occurs more frequently in tumor tissues than healthy tissues, particularly in pulmonary adenocarcinomas.
Researchers at Baylor College of Medicine discovered that alternative splicing is essential for maintaining adult muscle mass. Knocking out genes Rbfox1 and Rbfox2 in skeletal muscles led to rapid loss of muscle mass within four weeks. The study highlights the critical role of alternative splicing in adult muscle maintenance.
A team of researchers has developed a mouse model of myotonic dystrophy type 1, revealing multiple mechanisms beyond alternative splicing. The study found a clear association between specific signaling pathways and muscle loss, as well as the upregulation of protein AMPK-alpha and the reduction of PDGFR-beta signaling activity.
A new study reveals that RNA changes played a crucial role in the domestication of sunflowers, allowing for rapid evolutionary transformation over 5,000 years. The researchers identified key genes and regulatory mechanisms involved in alternative splicing, which created useful efficiencies but also introduced variation.
A study by Columbia University researchers found that loss of Rbfox genes disrupts the assembly of the axon initial segment, crucial for neurons to fire action potentials. The team identified the Rbfox-controlled splicing of the Ankyrin-G gene as a key factor in this process.
Researchers analyze data from over 4,000 cancer patients and discover that changes in alternative splicing lead to a loss of functional protein domains, affecting gene function in a manner similar to genetic mutations. This study reveals the potential oncogenic power of these changes, enabling healthy cells to become cancerous.
Researchers identified sections of DNA associated with altered gene expression in schizophrenia, pointing to alternative splicing as a contributing mechanism. The study found four disease susceptibility genes impacted through splicing regulation, including NEK4 and FXR1.
University of Georgia professor Ping Ma is developing statistical tools to analyze big data in disease research, with a focus on small RNAs and their role in alternative splicing. His work aims to provide efficient and robust computational strategies for analyzing large datasets without requiring expensive supercomputers.
Researchers found a molecular switch that flips between different versions of genes, enabling stem cells to regenerate and differentiate across all animals. This discovery suggests an ancient mechanism critical for animal stem cell properties.
A new study suggests that neurons often co-express functionally distinct alternative products from the same gene, facilitating acquisition of complex shapes and functions. Co-expression of alternative variants is essential for proper development of axons and dendrites in mice.
Researchers at Helmholtz Zentrum München have identified two variants of the protein MALT1, which are regulated by posttranscriptional splicing and affect the immune response. The study found that stronger activation of T cells is associated with the MALT1A variant, while the MALT1B variant results in a weaker response.
Researchers found proofreading molecules apply physical tension to RNA, preventing splicing errors and enabling alternative splicing sites. This mechanism regulates splice site choice, shifting the perspective on the realm of possible activities for this class of enzymes.
Researchers at the University of Illinois have identified a mechanism that propels liver development after birth through alternative splicing, allowing the liver to acquire new functions tailored for adult needs. The study highlights the importance of an RNA binding protein, ESRP2, in controlling this developmental program.
Obesity alters splicing patterns of genes TCF7L2 and INSR, leading to impaired insulin action. Weight loss reverses these changes, suggesting a targeted treatment approach for metabolic disorders. Alternative splicing regulates obesity-related gene expression, offering new diagnostic and therapeutic avenues.
Using mouse models, researchers identified a protein that regulates alternative splicing and affects heart contraction and function during postnatal development. CELF1 protein plays a crucial role in regulating certain alternative splicing events, which are associated with endocytosis and vesicular trafficking.
Researchers found that an EGFRvIII mutation alters the splicing of genes controlling cellular metabolism, enabling rapid tumor growth. The study highlights the critical role of EGFRvIII in GBM pathogenesis and provides new targets for oncogene-specific drug development.
Scientists have found a control switch that regulates stem cell pluripotency by altering the DNA binding properties of FOXP1, facilitating maintenance of pluripotency and reprogramming adult cells. The discovery has significant implications for therapeutic applications in regenerative medicine and cancer research.
Scientists found an inverse relationship between gene duplication and alternative splicing in plants, with implications for diversity in animals and humans. The study reveals distinct defense strategies between fast-growing and woody perennial trees.
The study reveals that small changes in nucleotide sequences near splice points can lead to significant changes in splice site choice and protein production. The discovery suggests that curing most genetic diseases will take longer than expected due to the complexity of alternative splicing mechanisms.
Two proteins, CUGBP and MBNL1, play crucial roles in switching alternative splicing patterns during heart development. The study provides insights into normal heart development and has implications for understanding myotonic dystrophy.
Scientists used a transgenic system to monitor developmental regulated alternative mRNA splicing in live C. elegans worms, revealing conserved molecular mechanisms across metazoan evolution. The study enables experimental analysis of regulation mechanisms underlying alternative splicing patterns.