Articles tagged with Regulatory Genes
New research has identified four genes with a strong impact on menopause timing, which are also linked to an increased risk of cancer. The study found that women with only one working copy of these genes experience premature menopause, leading to a faster reproductive lifespan.
Scientists from Spirovant Sciences describe a novel adeno-associated virus (AAV) gene therapy called SP-101 that has been optimized for efficient human airway cell transduction. After single dose inhaled delivery, the vector showed consistent expression of a functional and regulated shortened human CFTR minigene.
A research team discovered an evolutionarily distinct variant of the Hmgn2 gene, oHmgn2, which influences shape preference in medaka fish. The study found that medaka lacking functional oHmgn2 had difficulty distinguishing between shapes.
Researchers at the University of Copenhagen have identified a protein called OSER1 that influences longevity in various animals and humans. The discovery opens up possibilities for understanding age-related diseases and developing new drug targets.
A genetic variant in the Syntaxin 17 gene determines the speed of hair greying and susceptibility to skin melanoma in horses. The study found three gene variants at the Grey locus, with the G3 variant associated with a higher risk of melanoma.
Researchers identify key genes involved in osteoblast differentiation, finding positive correlations between WNT10B and these genes, and inverse correlations with WNT5B. The study hypothesizes that the use of WNT activators or inhibitors depends on whether canonical or non-canonical pathways are activated.
Researchers found that control of most genes doesn't deteriorate with age, but coordination between cellular processes becomes less effective. The study suggests a more complex approach to understanding aging is needed, analyzing all genes simultaneously and their protein interactions.
Cells produce three times as many 'unproductive' transcripts with mistakes or unexpected configurations as they do steady-state, finished RNA. These unproductive transcripts are quickly destroyed by a cellular process called nonsense-mediated decay (NMD), which suggests the cell intentionally makes mistakes to regulate gene expression....
Researchers discovered CBL as a promising biomarker for AD, regulated by HOXB13 and post-transcriptionally modulated by miR-1321. This regulatory axis was established using high-throughput RNA expression data and verified in human specimens.
Researchers identified CYP2J2 as a key enzyme in austocystin D-mediated cytotoxicity. Overexpression of CYP2J2 enhanced cytotoxic effects, while depletion reduced sensitivity to austocystin D.
Researchers from University of Maryland discovered RNA mechanisms that can lead to more effective and durable RNA-based drug treatments for conditions like high cholesterol, liver diseases, and cancers. The study highlighted the need to consider drug resistance when developing these treatments.
Researchers identified a long-postulated hidden spatial grammar embedded in DNA, which holds the key to understanding how gene activity is encoded. The study found that transcription factors have a complex function, acting both as activators and repressors, and their position relative to genes influences gene expression.
Researchers at Weill Cornell Medicine have discovered a connection between DNA markers and the aging process. The study found that specific retroelements in the human genome can act as epigenetic clocks predicting chronological age and may be involved in aging.
A study found that chromatin's spatial structure plays a key role in the evolution of social behavior in dogs. The researchers examined an intronic section of the GTF2I gene, which influences chromatin's spatial structure and causes differences in gene expression.
A study published in Cell reveals that Mrc1 is crucial for epigenetic inheritance, ensuring cells maintain their genetic identity and function. The discovery has significant implications for understanding diseases like cancer and aging, where epigenetic landscapes deteriorate over time.
A new genetic editing technique called Allele Sail can modify wild populations with greater control and lower risk than existing methods. By introducing genetic changes at low frequencies, researchers can target specific traits without disrupting the population as a whole.
A study by Florida Atlantic University researchers has identified novel players in dopamine signaling using Caenorhabditis elegans. They found that mutations in the BBSome protein complex, which regulates transport and signaling in cells, can lead to rare genetic disorders like Bardet-Biedl Syndrome.
A new study reveals that snap bean germplasm has a master switch controlling multiple stress tolerance genes, offering a potential solution to waterhemp and other herbicides. The genomic region responsible for this tolerance acts like an on-and-off switch, with higher expression of certain enzymes and antioxidants in tolerant plants.
Researchers found that hyperactivated neurons drive cancer proliferation and that serotonin uptake by ependymoma cells promotes tumor growth. Inhibiting this process blocked tumor growth, opening doors for drug discovery.
The paper explores evolving landscape of genetics research into obesity, emphasizing both new discoveries and challenges. Researchers highlight complexity of body weight regulation and advocate for precise phenotyping methods targeting relevant and refined phenotypes related to adiposity.
Researchers developed more resilient varieties of cotton by analyzing its genes and physical traits. They found two key regulatory genes that help cotton plants manage water stress while maintaining fiber production.
Researchers found a strikingly similar pluripotency gene network across jawless and jawed vertebrates, suggesting a common evolutionary origin. The study reveals that the loss of the pou5 gene in lampreys' neural crest cells may have limited their ability to form cell types found in jawed vertebrates.
A recent study found that 'gene misbehaviour' is a common phenomenon in the healthy human population, with over half of inactive genes showing misexpression. The researchers used advanced techniques to analyze blood samples from 4,568 healthy individuals and identified mechanisms behind these gene activity errors.
Researchers at the University of Birmingham identified specific groups of neurons in the female fly's brain responding to the sex-peptide, which influences post-mating behaviors. The study found that the peptide targets higher-order 'command neurons' essential for behavioral decision-making.
Researchers have discovered a dynamic cross-kingdom horizontal gene transfer between plants and bacteria, transferring 75 genes that enhance carbohydrate metabolism and hormone synthesis. This finding opens up exciting possibilities for biotechnological applications in agriculture.
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.
Researchers identified abnormalities in sex determination pathways of intersex mosquitoes, which can help develop strategies to create all-male populations to control mosquito numbers. Understanding these genetic factors also aids in identifying genes affecting female mosquito behavior.
Research reveals that ancient viruses can play a critical role in helping cancer survive and thrive. Silencing certain endogenous retroviruses may make cancer treatments work better by turning off nearby gene expression.
Researchers have developed ENGRAM, a method that records cell signals and biological states as they occur inside living cells. This approach offers a novel way to capture biological information in living systems, potentially helping answer questions about cellular pasts and futures.
A study reveals that the gene SH2B1 controls feeding and energy expenditure, with mutations associated with obesity and metabolic diseases. Enhancing SH2B activity may offer a promising treatment for obesity and related conditions with fewer side effects.
Researchers investigate chemical modifications to genetic regulation mechanisms, finding that Set8 controls gene activity through a mechanism other than histone modification. This study refines our understanding of genetic regulation relevant to human diseases like cancer.
University of Queensland researchers have unlocked molecular secrets of ageing in cells, identifying 'master controller' genes that regulate development and ageing processes. The study found these genes progressively activate adult genes while dialling down early-life genes involved in development.
Researchers have discovered that alterations in the human gene TRPC5 cause obesity and postpartum depression. Studies using cells, animal models, and humans showed TRPC5 acts on distinct neuronal populations in the hypothalamus, a brain region regulating feeding, anxiety, socialization, and maternal care.
A study led by UPF describes the mechanism behind insulinoma formation, a rare type of pancreatic beta cell tumor. The research reveals that a change in the epigenetic pattern of beta cells leads to the accumulation of mutations and excessive insulin production.
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 identified changes in gene activity underlying cognitive decline in older nematode C. elegans, providing evidence for neuroprotective genes that may preserve cognition later in life. Reducing expression of certain genes improved memory performance in aged animals.
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 at MD Anderson Cancer Center have identified a small molecule compound that restores physiological levels of telomerase reverse transcriptase (TERT), reducing cellular senescence and tissue inflammation. TERT restoration also spurred new neuron formation with improved memory and enhanced neuromuscular function.
Researchers have identified a novel target downstream of parathyroid hormone signaling that suppresses bone formation. Gprc5a negatively regulates osteoblast proliferation and differentiation by partially suppressing BMP signaling, potentially increasing teriparatide effectiveness in non-responding patients.
Researchers at UNIGE have identified 2700 genetic enhancers that regulate genes responsible for bone growth, providing insights into adult height and potential causes of bone diseases. The study suggests that variations in these enhancers could explain differences in human size and potentially contribute to developmental pathologies.
Researchers discover that epigenetic marks, particularly H3K27ac, are crucial for instructing genes to express themselves and generate folds. The Cux2 protein is found to be a master factor that utilizes the epigenetic landscape to regulate gene expression, leading to the formation of folds in the cerebral cortex.
The CCR4-NOT complex plays a crucial role in regulating RNA metabolism and stress response in C. elegans, compromising stress resistance and decreasing lifespan when depleted of subunits. This study highlights an important new role for the CCR4-NOT complex in normal aging and longevity.
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.
Scientists developed a new technique to map relationships between genes and regulatory elements, enabling them to determine when enhancers are active and which genes they control. This could lead to the identification of potential drug targets for genetic disorders.
Scientists discover Epstein-Barr virus alters gene regulation in nasopharyngeal cancer cells, leading to rapid tumour growth. The study offers new insights into the link between EBV and NPC, shedding light on intricate processes underlying disease progression.
Researchers identified an ideal small-grain gene, GSE3, and used CRISPR-Cas9 technology to edit it in male sterile lines, achieving fully mechanized hybrid seed production. This breakthrough enables significant yield improvements and enhances food security.
A team of researchers from Xi'an Jiaotong-Liverpool University has engineered a short sequence of artificial DNA to target the mutant protein p53-R175H, linked to lung, colorectal, and breast cancers. The new molecule, dp53m, inhibits cancer cell growth and increases sensitivity to chemotherapy agent cisplatin.
Scientists at Gladstone Institutes used CRISPR interference to map the layered mechanisms controlling expression of key immune genes. The study provides valuable insights into immune balance, autoimmunity, and cancer immunotherapies, shedding light on genetic variants linked to disease risk and potential treatments.
Researchers at USask have discovered a new peptide that lowers lipid accumulation in human liver cells, offering new avenues for treating metabolic diseases. The finding is hopeful news as there's a lack of new therapies available for these diseases.
A recent study has cataloged gene-isoform variation in the developing human brain, providing crucial insights into neurodevelopmental and psychiatric disorders. The research found thousands of isoform switches that occur during brain development, implicating previously uncharacterized RNA-binding proteins.
Researchers created a genetic atlas using Caenorhabditis elegans to understand embryonic development and its relation to human disorders. The study analyzed nearly 7,000 gene functions and identified new roles for poorly characterized genes.
Researchers identify REF1 as a key local wound signal governing plant regenerative responses. Its application has improved transformation efficiency in crops like soybeans and wheat.
A new resource has been created to provide a deeper understanding of the bioenergy crop sorghum and its potential for genetic modification. The study identified gene expression patterns in sorghum stem cells, which can help researchers design cell-type specific promoters for targeted gene expression.
Researchers at Harvard University have identified a specific cell type in the mouse embryonic brain that responds to an immune response in the mother, altering gene regulation and persisting in juvenile mice. This study provides new insights into how maternal immune responses might influence brain development in embryos, potentially sh...
Research reveals cell-in-cell phenomena are common in non-cancer cells, playing roles in development, homeostasis and stress response. The study argues against targeting cell-in-cell events for cancer therapy, opening new avenues for research in evolutionary biology, oncology and regenerative medicine.
Researchers found that miR-377 reduces MYC mRNA levels, leading to increased Bax and PTEN expression and decreased CDK4. This results in induced apoptosis, inhibited proliferation, and arrested cell cycle in prostate cancer cells.
A new AI algorithm developed by Penn State researchers may lead to better predictions and novel therapies for autoimmune diseases. The algorithm analyzes genetic code to identify additional genes of risk and outperforms existing methodologies, identifying 26% more novel gene and trait associations.
Farny will investigate the impact of methylation on gene expression of Pseudomonas putida in soil and laboratory conditions, building gene circuits to test engineered bacteria. The project aims to advance the use of bacteria for environmental cleanups and create educational resources for undergraduate students.
A study from North Carolina State University found that environmentally caused alterations in the genome may contribute to Alzheimer's disease risk, particularly in Black people. The research identified stable epigenetic features that distinguish Alzheimer's brains from those without the disease.
A new compound found in fruit fly testes has the potential to control insect populations by suppressing their ability to reproduce. The enzyme, which is also present in other organisms, can lead to an overload of bromotyrosine that severely inhibits spermatogenesis.