Articles tagged with Rna Sequencing
Researchers generated a POLDIP2 knockout ARPE-19 cell line and found reduced mitochondrial superoxide levels, consistent with upregulated SOD2. The study demonstrates a potential role of POLDIP2 in regulating oxidative stress in AMD.
Researchers have developed a new method called Nano-tRNAseq to measure both the abundance and modification of tRNA molecules in a single step. This technology has significant advantages over conventional techniques, offering rapid, cost-effective, and high-throughput analysis with single-molecule resolution.
Researchers used long-read sequencing to identify novel mutational patterns and complex genomic rearrangements in cancer genomes, including those associated with liposarcoma. This approach offers a more comprehensive understanding of DNA mutations and their impact on cell function.
Gene therapy using CRISPR-Cas9 lipid nanoparticles has been shown to be highly effective in reducing target protein expression in mice. The new delivery system increases the efficiency of in vivo gene therapy, paving the way for safe and effective treatment.
A study found that RNA methylation plays a pivotal role in TDP-43-related neurodegeneration in ALS. The researchers observed highly abundant RNA methylation in the end-stage tissues of patients with ALS. This discovery opens up new avenues for research into the disease, which is linked to environmental exposure.
Researchers identified HCirV-1 in a patient with unexplained chronic hepatitis, demonstrating its role in liver damage. After treatment, the patient's liver enzymes returned to normal levels, indicating the end of hepatic cytolysis.
Researchers identify vulnerable cell populations in the striatum, which contributes to loss of motor control and early mood disorders. Damage to striosomes may be responsible for mood disorders, while degeneration of matrix neurons likely contributes to motor decline.
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 discovered poly(A)-tail-mediated remodeling of maternal mRNA during the oocyte-to-embryo transition, involving partial degradation and re-polyadenylation. This process is essential for human embryo development, as blocked re-polyadenylation leads to failed first embryo cleavage.
A new toolkit enables researchers to map individual RNA data to a more diverse 'pantranscriptome', addressing reference bias and increasing the accuracy of gene expression mapping. This approach builds on pangenomics, allowing for the comparison of an individual's genome to genetically diverse cohorts of reference sequences.
A new study found that measuring activation of immune-system B cells may be better than measuring either T-cell activation or total number of immune cells in and around a tumor. The findings suggest that six signatures of immune cell gene activation from B cells were associated with higher elimination rates and better survival outcomes.
Researchers at MD Anderson Cancer Center have discovered a novel triple immunotherapy combination targeting checkpoints in T cells and myeloid suppressor cells, improving anti-tumor responses and survival rates in preclinical models of pancreatic cancer. The study found that neutralizing specific immunosuppressive mechanisms dramatical...
A study published in Aging-US reveals changes in gene expression associated with age-related muscle loss and frailty. Researchers identified unique cellular subpopulations in aged and sarcopenic skeletal muscle, which may facilitate the development of new treatments for age-related frailty.
A Northwestern University study found that as people age, their cerebrospinal fluid immune system becomes dysregulated, leading to cognitive impairment and neurodegeneration. The discovery provides a new clue to the process of neurodegeneration and may potentially be used to treat inflammation of the brain.
A meta-analysis of transcriptome data from aphids and locusts reveals that DNA replication, metabolic processes, and the mitotic cell cycle are enriched in response to crowded conditions. The study also identifies discrepancies with previous research findings, suggesting alternative explanations for gene expression patterns.
A new study explores the value of 'trash data' from cancer genome sequencing, identifying new strategies to uncover previously unexplored information. The researchers found that genomic and transcriptomic data contain relevant information that can help elucidate carcinogenesis and discover putative biomarkers with clinical applications.
Researchers investigated Aicardi-Goutières syndrome and found that viral RNA recognition drives uncontrolled interferon production. The immune system mistakenly attacks healthy cells due to the failure of safety mechanisms to distinguish between viral and host genetic material.
A research study led by Mabel Vidal identified a common genetic signature among infiltrating T cells of different cancer types. The study used AI to analyze data from public repositories and confirmed the results through proteomics experiments.
A new technology called RADARS allows scientists to detect and target specific cell types and states, opening up potential applications in diagnostics and therapeutics. The platform detects a particular RNA sequence in live cells and produces a protein of interest in response.
A novel genetic analysis by University of Ottawa researchers reveals that climate change could lead to an increased risk of viral spillover in the High Arctic. This increased risk may result in new viruses infecting previously uninfected hosts, potentially leading to emerging pandemics.
Researchers at the University of Würzburg have developed a new method called INRI-seq, which allows for detailed analysis of gene activity in individual cells. This technique can help identify new targets for targeted therapies and improve our understanding of protein synthesis.
Researchers have developed a new DNA nanotechnology-driven method called Light-Seq that enables the analysis of gene expression patterns in hard-to-access cells within intact tissues. This approach overcomes limitations of existing spatial transcriptomics methods, allowing for deeper understanding of disease mechanisms and biology.
A new study in mice has mapped the cells, genes, and pathways that respond to exercise and diet, offering potential targets for drugs that mimic exercise's benefits. Exercise was found to push these systems in the opposite direction of high-fat diets.
Scientists have identified long interspersed nuclear element-1 (L1) RNA as a promising new target for treating progeroid syndromes. Increased L1 RNA expression in cells from patients with these disorders led to deactivation of an enzyme, causing cell aging.
Mayo Clinic researchers identified critical genomic changes associated with abiraterone acetate/prednisone resistance in advanced prostate cancer. An 11-gene drug panel predicted a worse prognosis for a subset of patients, and whole-exome sequencing data revealed mechanisms of acquired resistance.
Researchers at OIST Graduate University have experimentally shown the concept of a neutral network, vital for increasing diversity, by designing and testing over 120,000 RNA variants. They found a large number of accessible pathways between two variants, challenging previous theoretical predictions.
Researchers at USC discovered that the COVID-19 virus uses a human enzyme to accelerate its mutations, allowing it to evade vaccines and spread quickly. By understanding this mechanism, scientists can predict new variants and develop more effective vaccines.
KU and UChicago researchers are working on identifying human gene sequences that respond to drug therapies through RNA splicing. They hope to overcome the 'undruggable proteome' problem, where approximately 70% of proteins cannot be targeted by drugs.
A study by Osaka University researchers comprehensively analyzed mRNA and microRNA expression patterns in the blood of patients with severe COVID-19, revealing specific mRNAs and microRNAs associated with the immune response pathway. The findings suggest that interferon-β plays a crucial role in COVID-19 severity.
Scientists at Kyoto University developed two methods to identify RNA modifications impacting gene regulation and disease. Their approach uses probability algorithms with high-throughput sequencing technology, distinguishing pseudouridine substitutions from other base changes.
Scientists have developed Live-seq, an innovative approach that keeps cells alive during RNA extraction for further study. This technique uses FluidFM to manipulate tiny volumes of fluids in a sample under the microscope, allowing for the insertion and extraction of mRNA from single cells without killing them.
Researchers discovered distinct genetic mutations in heart failure patients, identifying potential targets for personalized treatment and improving patient care. The study's findings hold enormous potential for rethinking how to treat heart failure by understanding its root causes and the mutations that lead to changes in heart function.
Researchers at UC Santa Cruz discovered that a key genetic mutation in the KRAS gene alters RNA 'dark matter', leading to the release of previously unknown RNA biomarkers. These biomarkers could be detected in the blood through a liquid biopsy, offering a promising step in cancer early detection.
Researchers found that the eyes of tadpoles undergo significant changes in gene expression and photoreceptor cell sensitivity to adapt to life on land. The study reveals that 42% of genes involved in vision changed between tadpole and juvenile frog stages, enabling better adaptation to a bluer light environment.
A novel single-cell RNA sequencing technique, TAS-Seq, has been developed to provide higher-precision data than current methods. The new method detects more genes and identifies highly variable genes, making it a sensitive high-throughput scRNA method.
Researchers at the University of Tsukuba have created a genetic toolkit to investigate the molecular mechanisms of a parasitic wasp, Asobara japonica. By analyzing its genome and using RNA interference, they identified key genes involved in venom production and found that suppressing these genes can lead to phenotypic changes.
A team of researchers from the University of Cologne identified a possible key enzyme that enables algae-eating protists to dissolve algal cell walls. The study, published in Current Biology, reveals new insights into the molecular toolkit used by these organisms to interact with their prey.
A new interactive web portal, SpUR, catalogues over 1,000 splicing events found in cancers, highlighting their role in tumor development and progression. The database provides a platform for researchers to study RNA dysregulations in cancer and develop RNA-based anti-cancer drugs.
Researchers discovered a new gene, ZBTB11, that drives heart muscle cell degeneration in arrhythmogenic cardiomyopathy. The gene's activity induces damage to neighboring heart cells, a key process in the disease.
A study by Osaka University found that fat accumulation in liver tumors can predict patient response to immunotherapy. The researchers identified a unique tumor immune microenvironment, known as steatotic HCC, which is associated with high infiltration of immune cells but exhaustion of nearby T cells.
Researchers applied scRNA-seq to study hypertrophic cardiomyopathy, identifying novel regulatory interactions and genes driving disease-related swelling. This knowledge can be used to develop new drugs that target underlying causes, reducing disease progression.
Researchers developed a new software tool, called 'meta-transcriptome detector,' that integrates genetic sequencing analysis of hosts and their microbiomes. The tool enables analysis of gene expression activity in both microbes and hosts simultaneously, allowing researchers to spot relationships between them.
A study by Kobe University researchers has illuminated the characteristics of Myeloid immune cells in coronary plaque, a major contributor to acute coronary syndrome. The findings suggest that macrophages and monocytes accumulate in the plaques of patients with acute coronary syndrome, leading to increased inflammation.
A new study suggests that up to 1 in 4 cases of congenital hydrocephalus may be linked to genetic mutations affecting neural stem cell growth, leading to underdeveloped brains and enlarged ventricles. This paradigm shift could lead to targeted therapies such as gene editing or drugs to optimize neurodevelopment.
Scientists have created a searchable atlas of distinct cell populations in the ventral tegmental area, a key brain region involved in reward-directed behavior and substance use disorders. The study identified 16 cell populations, including classic dopaminergic neurons, glutamatergic neurons, and GABAergic neurons.
An international team of researchers has identified 5,500 new RNA virus species that represent all five known RNA virus phyla. The study suggests there are at least five new RNA virus phyla needed to capture them and highlights the importance of marine microbes in ocean adaptation to climate change.
A new technique called Operational Genomic Units (OGU) allows for improved resolution and simplicity in analyzing microbiome samples. By using individual genomes as basic units, researchers can pinpoint biologically relevant characteristics such as age and sex with greater accuracy.
Researchers developed a computational approach called CellTrek to combine parallel gene-expression profiling methods, creating spatial maps at single-cell resolution. The tool provides detailed information on individual cell types' location within tissues, enabling unique biological insights.
Researchers Miao-Ping Chien and Daan Brinks have developed a method to detect aggressive cancer cells, which can help identify the genetic profile of individual cells and develop targeted medicines. This breakthrough has the potential to improve treatment outcomes for patients with cancer.
A study published at Tokyo Medical and Dental University found that Mkx regulates cellular heterogeneity and gene expression in the PDL, revealing its importance in homeostasis. The results showed that a deficiency of Mkx promotes ossification in the PDL and suggests a compensatory mechanism via Scx to maintain homeostasis.
The study of MUNC long non-coding RNA reveals the importance of experimentally determining its structure to identify functional domains. The researchers found that two structural domains, including six common 'hairpins,' were crucial for regulating gene expression and muscle cell differentiation.
Researchers identified a novel mutation in 9% of relapsed pediatric AML cases, suggesting a new subtype of the disease. The UBTF tandem duplication is associated with poor survival rates and higher likelihood of minimal residual disease positivity.
Researchers developed a new cell model of the olfactory mucosa, which is impaired in patients with Alzheimer's disease. The study provides new insights into the disease pathophysiology, including the potential role of viral infections and air pollutants in brain function.
A new method called DisCo enhances the efficiency of single-cell RNA sequencing by actively detecting and capturing cells using machine-vision. This approach allows for continuous operation and high capture efficiency, making it suitable for processing small cell samples such as tissues or patient biopsies.
Scientists sequenced the gene expression profiles of more than 170,000 individual cells to shed light on a key mystery: the role of Type I Interferons (IFN) during viral infections. The study reveals interferon plays a crucial role in clearing the virus by alerting immune cells, such as macrophages, to search and destroy infected cells.
A study by Michigan Medicine researchers found that people with diabetes have more macrophages in their fat tissue, particularly the anti-inflammatory CD206+ subtype. This subtype is unique in terms of gene expression and may play a role in the development of diabetes.
A single genetic test using RNA sequencing has been used for all children with cancer in the Netherlands since 2018, improving diagnosis and treatment in seven cases. The technique picked up 78 fusion genes, 23 of which led to a more accurate diagnosis or possible treatment.
Researchers developed an RNA-based breath test called the Bubbler that can detect SARS-CoV-2 in exhaled breath, revealing a more direct indicator of current infection. The test also provides additional information on viral load and strain identity.
A doctoral student at Texas A&M University has discovered blood outgrowth endothelial cells (BOECs) as an alternative to induced pluripotent stem cells (IPSCs) for organs-on-chips, offering a cheaper and more accessible option for patient-specific research. The new cells can be isolated from just 50-100 milliliters of blood and have sh...
A team of researchers from Lund University has developed a virtual reality tool called CellexalVR to help scientists better understand the complex relationships between genes and cell types. By using VR technology, researchers can visually explore large amounts of genomic data in a more intuitive and collaborative way.