A new single-cell gene expression technology allows for the study of large numbers of genes in tens of thousands to hundreds of thousands of cells at once. The technology uses cell- and molecule-specific barcodes to enable the analysis of gene activity with absolute quantification.
Two genetic mutations on a single gene have been found to interact and lower the risk of heart attacks in people who carry both variants. The study suggests that clinicians should test individuals with reduced activity of DBH and norepinephrine to determine if they benefit from beta blockers.
A University of Colorado study finds alterations in expression of PIK3R3 and PTEN genes in young-adult Ewing Sarcoma, commonly observed in adult tumors. These findings could lead to adapted therapeutic strategies for adult cancers to treat Ewing Sarcoma.
Gene expression in neurons is crucial for memory formation. After fear conditioning, researchers found altered gene expression in the auditory thalamus and cortex regions of the brain.
Researchers used denoising autoencoders to effectively extract key biological principles from breast cancer gene expression data, resulting in gene expression features that generalize across studies and represent important clinical factors.
A study found that AAV vector integration and microRNA expression influenced liver cancer development after gene therapy. The study highlights the importance of considering vector design features when designing AAV vectors for gene therapy.
Researchers aim to predict which genes are expressed in dendritic cells based on specific conditions, aiming to explain why some people survive viral infections while others don't. This knowledge could lead to new treatments for diseases like cancer, diabetes, and Parkinson's disease by understanding faulty gene regulation.
A recent study of over 4,000 genes found that most RNA expression differences do not affect protein abundance, suggesting a previously unknown buffering mechanism regulates gene expression. This discovery highlights the importance of further analysis in studies relying on RNA measurements to characterize gene function.
Researchers found that microglia cells in autism brains are perpetually activated and their genes for inflammation responses are turned on. The study is the largest so far of gene expression in autism brains, analyzing data from 104 brain samples.
The NIST 'erccdashboard' tool evaluates experimental methods used to study gene expression, ensuring reproducibility and reliability. The dashboard provides a standardized approach for analyzing gene expression data, allowing researchers to assess technical performance and prevent erroneous conclusions.
A new study from the University of Chicago found that female birds' color vision is essential for mate selection and sexual dimorphism. The research, published in the Proceedings of the Royal Society B, suggests that the expression of a specific opsin gene is linked to the evolution of colorful plumage in males.
Researchers have identified a natural resistance gene in white spruce trees that makes them resistant to the devastating spruce budworm. The gene, betaglucosidase-1, produces compounds toxic to the caterpillar, potentially allowing for replanting of forests affected by the pest.
An international team of researchers identified approximately 6600 genes whose expression levels vary within a restricted range in both mice and humans. These genes, which represent about one-third of active genes across tissues in both species, reflect evolution's constraint on their expression to maintain cellular housekeeping.
Researchers at ETH Zurich have developed a novel gene regulation method that enables thought-specific brainwaves to control the conversion of genes into proteins. The system uses EEG headsets to transmit brainwaves wirelessly to an implant, which regulates gene expression through light-sensitive optogenetic modules.
Researchers developed a DNA regulatory technique that modifies a single gene to control its expression and behavioral consequences. The study showed that changes in this gene reduced drug and stress responses in mice, indicating a potential new approach to treating addiction and depression.
Researchers discovered that DNA scaffolding plays a crucial role in controlling gene expression by forming topologically associated domains. These domains contain super enhancer regions that enhance or repress gene activity.
Children with ADHD exhibit impaired brain response to angry facial expressions, whereas typically developing children show a significant hemodynamic response in both happy and angry expressions.
A Massachusetts General Hospital study analyzed circulating tumor cells and found increased expression of extracellular matrix genes, which could be a novel therapeutic target for pancreatic cancer. The study also identified distinct classes of pancreatic CTCs with unique gene expression patterns.
Research finds HE4 hormone plays key role in modulating ovarian cancer response to hormones and therapies. The study identified a mechanism by which hormonal therapies like Tamoxifen and Fulvestrant restore sensitivity to chemotherapy in HE4-overexpressing tumors.
The BitSeq method has been found to produce clearly the most reliable results in measuring gene expression, outperforming other methods in accuracy and efficiency. The approach accounts for uncertainty and error in RNA-seq data, providing a more accurate representation of gene expression levels.
Baicalin inhibits iron accumulation after substantia nigra injury by down-regulating divalent metal transporter 1 and increasing ferroportin 1 expression. This study suggests baicalin as a potential therapeutic agent for Parkinson's disease prevention.
The OncoFinder algorithm reduces errors in transcriptome analysis by mapping gene expression onto signalling pathways, allowing for more effective evaluation and analysis. The method enables scientists to characterise functional states of transcriptomes more accurately, improving research and clinical applications.
Researchers successfully corrected disease-causing mutations in cells from patients with beta-thalassemia using CRISPR/Cas9 technology. The corrected cells showed restored expression of hemoglobin and could differentiate into mature blood cells.
Researchers identified differential gene expression in proximal and distal nerve segments of rats with sciatic nerve injury, revealing changes in cell differentiation, cytokinesis, and immune response. The study provides insights into Wallerian degeneration and offers a platform for studying nerve injury and repair.
Researchers have identified two mutations in the CC2D1A gene that prevent its expression, leading to intellectual disability, autism, and seizures. The gene regulates a critical signaling pathway controlling neuronal balance.
After sciatic nerve injury, microRNA-214 targets srGAP3 in rat DRG primary neurons. This relationship affects axon guidance and neural regeneration.
Research reveals the sequential expression of these factors after fluid percussion injury, suggesting a mechanism underlying hippocampal neuronal injury after TBI. The study provides new insights into the occurrence and development of hippocampal neuronal injury.
Inhibition of NgR expression reduces apoptosis of retinal ganglion cells in diabetic rats by inhibiting Rho kinase, indicating a potential therapeutic target for glaucoma and related diseases. Upregulation of NgR is associated with increased cell apoptosis and visual extinction.
The study found that low concentrations of lithium carbonate had a protective effect on SH-SY5Y cells, with reduced expression levels of pyruvate kinase 2 and calmodulin 3. Additionally, western blot analysis revealed increased expression of stress proteins GRP94 and HSP27.
A new study in the Journal of Clinical Investigation identifies a specific gene expression profile and microbial community associated with Crohn's disease. Pediatric Crohn's disease patients exhibit altered expression of genes DUOX2 and APOA1, as well as a distinct microbial community.
Dr. Frederic D. Bushman is recognized for his pioneering work on HIV reproduction and its application to advancing gene delivery methods. His research has contributed to the development of new vectors and targeting methods, informing safety profiles.
A new study reveals that gene expression profiling tests, such as Oncotype Dx, have a heightened perceived value among patients with early breast cancer due to access barriers. The carefully administered technology has led to unintended consequences like gatekeeping and perceived inequalities in access.
A recent study published in Nature Communications discovered a correlation between the number of biological functions a gene has and its response to environmental changes. The research found that genes with more biological functions exhibit less protein expression change in response to temperature, challenging the long-held assumption ...
Researchers identified a gene expression profile associated with an increased risk of cardiovascular death in patients with coronary artery disease. The profile, based on a simple blood test, may help identify patients who could benefit from personalized treatment and counseling.
Researchers at Kansas State University have identified a new gene expression mechanism in the porcine reproductive and respiratory syndrome (PRRS) virus. The discovery provides a potential avenue for developing new antiviral strategies.
Researchers developed a new gene expression analysis approach to identify cancer-associated genes from microarray data, outperforming traditional methods. The variance-based approach identified high variation in adjacent 'normal' tissue samples and preferentially selected genes specifically associated with cancer.
Researchers have identified various transcription mechanisms in zebrafish during embryonic development, which may help understand the formation of abnormalities or cancer. The study reveals that different starting points are used for transcription before and after activation of the embryonic genome.
Researchers at Ohio State University found that microRNA-3151 promotes AML-cell growth and survival by blocking tumor-suppressor gene TP53. High expression of miR-3151 is associated with a bad prognosis, while inhibition with the drug bortezomib offers a possible therapy.
Researchers at Carnegie Mellon University and the University of Maryland developed a new method, Sailfish, that dramatically speeds up estimates of gene expression from RNA sequencing data. The method can complete its analysis in a few minutes, with accuracy equal to or exceeding previous methods.
Researchers studied identical twins with trisomy 21 to understand gene expression changes. The study found that extra chromosome 21 affects entire genome, leading to various pathologies and disrupting cellular function.
Researchers develop a new ISH method, called RNAscope ISH, for rapid and sensitive localization of mRNA molecules in plant tissues. This approach is faster and highly sensitive than traditional methods, allowing for precise quantification of gene expression.
Researchers found that high expression of tumor-suppressor ZMYND11 is associated with longer survival for patients with triple-negative breast cancer. ZMYND11 inhibits gene activation by connecting to a methylated histone variant, thereby fine-tuning gene expression in cancer cells.
Researchers used a rat genomic gene-chip to profile hippocampal gene expression changes after electroacupuncture therapy. The results showed that electroacupuncture regulates the expression of specific genes involved in depression, including Vgf and Igf2. These findings suggest that electroacupuncture may be a useful treatment for depr...
A team of researchers found that some cells exhibit random monoallelic gene expression during development, which can affect protein production and potentially lead to diseases. The phenomenon is more common in mature cell types than stem cell precursors.
The European Commission has invested nearly $475 million in 100 gene transfer projects to support basic and clinical research in the field of gene and cell therapy. This funding is aimed at developing new treatments for chronic and rare diseases, as well as novel regenerative medicine approaches.
Researchers at UMass Medical School develop a novel model to study the effects of vitamin B12 on gene expression and physiology in C. elegans worms. The study reveals that vitamin B12 regulates development through the methionine/SAM cycle and alleviates toxic buildups of propionic acid, leading to improved fertility.
Researchers have identified a single gene, Ultrabithorax (Ubx), that determines the distinct leg features of worker honey bees, enabling them to collect and transport pollen. The gene plays a critical role in the evolution of social behavior among honey bees, separating queens from workers.
A recent study published in Human Gene Therapy evaluated the immune response to viral vector delivery systems and their impact on gene therapy's safety and efficacy. The researchers found that the systemic and local immune reactions induced by AAV-based gene therapy did not affect the safety of gene therapy or expression of the replace...
A study published in Molecular Neurobiology found that sodium butyrate reduces survival of cultured medulloblastoma cells and enhances expression of markers for a mature neuronal phenotype. This suggests the compound may promote cell death and favor maturation towards less malignant-prone phenotypes.
Researchers at Virginia Commonwealth University have identified a key gene interaction that could be harnessed to treat various cancers. The study found that forced expression of MDA-7/IL-24 stimulates SARI expression in an autocrine/paracrine loop, causing cancer cells to undergo apoptosis.
The Gene Expression Barcode 3.0 tool helps cancer researchers process and analyze massive amounts of genetic data from patients and mice, enabling the development of tailored treatments. The improved algorithm makes it faster and more accessible for researchers to use.
A study found that cognitive behavioral therapy for PTSD reduces symptoms and affects underlying biology, reversing changes in gene expression and brain volume. The therapy was associated with improved symptoms and increased hippocampal volume and FKBP5 gene expression.
Researchers at University of South Carolina discover THC influences microRNAs, altering gene expression and potentially treating arthritis, multiple sclerosis, and type 1 diabetes. The study identifies specific microRNA targets for controlling inflammation and immune response.
Biologists at Brown University found that gene silencing via chromatin in fruit flies declines with age, but administering life span extending measures such as lower calorie diets or increased expression of the protein Sir2 restores the loss of gene silencing due to age. The study suggests a possible line of research to develop more pr...
A single dose of AAV1/SERCA2a gene therapy has long-lasting benefits for advanced heart failure patients, improving heart function status and reducing recurrent cardiovascular events. The study results support the potential use of this gene therapy as a new tool for treating advanced heart failure.
Researchers found that a gene therapy approach using rAAV vectors can promote a regulatory immune response, allowing for sustained gene expression in muscle tissue without the need for immunosuppression. The study used M-type α-1 antitrypsin (M-AAT) and demonstrated long-term expression in patients with AAT deficiency.
Researchers studied Brachyury gene's role in regulating notochord development, finding CRM mutations affect timing of gene expression. This can lead to birth defects and cancer by delaying critical developmental processes.
Researchers discovered how Brachyury regulates the timing of gene expression in the notochord, a precursor to the backbone, and found that certain mutations can delay or alter this process, potentially leading to birth defects and cancer. The study sheds light on a crucial regulatory mechanism in embryonic development.
Researchers at the University of Chicago have discovered that mRNA expression levels do not always reflect differences in protein expression between humans and chimpanzees. This finding suggests that protein expression levels may evolve under greater evolutionary constraint, potentially due to a yet-uncharacterized compensation mechanism.
A study found nearly 170 significant gene expression changes in patients with pouchitis, increasing to over 1,000 in those progressing to Crohn's-like changes. These alterations involved genes in inflammatory processes and metabolic pathways.