Articles tagged with Rna Sequencing
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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.
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.
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.
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.
Researchers developed a novel model to identify specific genes and genetic alterations in multiple myeloma, stratifying the cancer's severity via DNA and RNA sequencing. This model revealed diverse subtypes and high-risk patients beyond current classifications.
Using next-generation sequencing, researchers identified four major regulatory pathways and specific molecular effectors behind COVID-19 symptoms. The study may pave the way for a more personalized approach to diagnosis and treatment.
Researchers at MIT and Harvard University have developed a way to selectively turn on gene therapies in target cells by detecting specific messenger RNA sequences. This technology can fine-tune gene therapies for applications ranging from regenerative medicine to cancer treatment, potentially reducing side effects and increasing efficacy.
A research group at Osaka University has developed a new tool for sequencing various types of RNA base modifications, including microRNA modifications. They successfully detected two types of chemical base modifications simultaneously using a single-molecule quantum sequencer.
Researchers found large numbers of B cells and their immature progenitors in the outer layer of the meninges, a surprising discovery that suggests these cells play a special immune system function there. The study used single-cell RNA sequencing to analyze the genes active in each individual cell and confirmed the finding in human tissue.
A study published in Cell Reports Medicine reveals the molecular and cellular changes in testicular tissue of infertile men, identifying alterations in spermatogonial stem cell compartment. The research provides new insights into male infertility and prepares ground for better diagnosis.
A new software, ModTect, identifies RNA modifications using pre-existing sequencing data, revealing associations with cancer survival outcomes. The study found dysregulation of the epitranscriptome in patients across multiple cancer types, associated with cancer progression and survival.
Researchers at Tampere University identified a specific population of treatment-resistant cells that persists in prostate cancer tissue. This finding suggests that the presence of these cells can predict patient responses to treatment and may help tailor treatment for different subgroups of patients.
Researchers discovered that noncoding RNA derived from pericentromeric repetitive sequences upregulates SASP-like inflammatory gene expression by disturbing chromatin interactions. hSATII RNA is highly detectable in cancer cells and supports tumor development via small EVs, highlighting a new role in age-related pathologies.
Researchers studied electrical conduction through membranes during Controlled Breakdown, a technique to fabricate single nanopores. They found that redox reactions occur at the membrane-electrolyte interface, allowing localization of pore formation using metal microelectrodes.
A new study by Ivan Zanoni at Boston Children's Hospital reveals a complex picture of interferon production in mild versus severe COVID-19. The researchers found that different types of interferons have opposite roles in the upper and lower respiratory tract, and that specific interferons determine disease severity.
A new study uses long-read sequencing to reveal diverse splicing events and unique exons in circular RNAs, which may play a role in neuronal disease. The research identifies microexons, previously linked to autism, as preferential findings in circRNAs.
Researchers developed a new model, MultiRM, that can predict the 12 most desirable RNA modifications for large-scale prediction. The approach integrates multiple tasks into a single prediction task, providing a more comprehensive view of epitranscriptomes and discovering underlying mechanisms.