Articles tagged with Transcription Factors
A new study reveals that pioneer transcription factors help unspool tightly wound coils of DNA, allowing genetic blueprints to be read and proteins to be made. The researchers found that one pioneer factor can interact with two different remodelers to regulate transcription, a process deeply conserved across species.
A joint research team developed DeepTFactor, a deep neural network predicting transcription factors from protein sequences. The tool uses three parallel convolutional neural networks and predicted 332 transcription factors of Escherichia coli K-12 MG1655.
A team of researchers at Duke University has developed a new method to program stem cells into desired cell types using CRISPR gene editing. By analyzing the transcription factors key to making each cell type, they improved the accuracy of model cells grown from stem cells.
Scientists create a system to quickly and easily convert human stem cells into various cell types, including neurons and blood vessels. The researchers identified 290 DNA-binding proteins that reprogram stem cells into target cells within four days.
Researchers have discovered a mechanism of action by which abnormal proteins cause indirect damage to neurons, leading to dendrite defects in fly models of neurodegenerative diseases. The study identifies a problematic transcription factor called NF-κB, which becomes improperly regulated due to the presence of abnormal proteins.
A study by Duke researchers found that transcription factors tend to bind strongly to mismatched sections of DNA, which can lead to the accumulation of mutations in regulatory regions. This binding is thought to be energetically favorable due to the lower energy required to distort mismatched DNA.
Research reveals the resolution of injury-induced inflammation is under dietary control, requiring a balance of hormonal and genetic factors. The diet can enhance or inhibit each step of the process, affecting healing outcomes.
Researchers at HudsonAlpha Institute for Biotechnology have contributed to the ENCODE Project, a decade-long effort to understand the human genome. By analyzing millions of DNA switches, they identified novel associations between transcription factors, bringing researchers closer to understanding how the human genome functions.
A research group from Kumamoto University found the transcription factor RUNX3 plays a cancer growth function in what was previously thought to be a tumor suppressor. RUNX3 is also linked to the initiation and propagation of MDS stem cells, making it a promising new therapeutic target.
Researchers discovered how pancreatic cells lose their identity and recruit nearby cells to help them grow and invade tissues. Transcription factors ZBED2 and p63 play a key role in this process, leading to aggressive cancer behavior.
Researchers from the University of Tsukuba identified Myc as a central molecular actor in eliminating damaged germline cells to preserve germline integrity. Knockdown of Myc resulted in a similar germline-loss phenotype, suggesting its role in quality control during embryonic development.
A new transcription factor (FaPRE1) has been identified as a key regulator of strawberry ripening, controlling the expression of genes related to color, aroma, and texture. The gene plays a twofold role in regulating expression, silencing development genes and beginning ripening genes.
Researchers developed a method to capture transient interactions of NLP7, a master transcription factor involved in nitrogen use in plants, showing that more than 50% of plant responses to nitrogen are controlled by these short-lived regulatory interactions.
A comprehensive review of published evidence links 24 genetic variants to a heightened risk of developing endometrial cancer. Women with most or all of these variants may be twice or three times more likely to develop the disease.
Scientists at Max Planck Florida Institute for Neuroscience have developed novel biosensors to study CREB dynamics in living brains. They found that sensory experiences shape CREB activity over hours to days after a stimulus, and this effect can be observed even when visual stimuli are absent.
Researchers uncover the first steps in chromatin-opening process, revealing pioneer transcription factor Rap1's role in regulating gene expression. The study provides a biological model for other pioneer transcription factors and tools for investigating them at the single-molecule level.
Research identifies GCAM1 transcription factor crucial for secondary bud formation in liverworts, revealing a common mechanism with angiosperms. This breakthrough has potential applications for increasing crop production through controlled axillary shoot formation.
Researchers have identified a key difference between SMAD2 and SMAD3, revealing that SMAD2 binds to DNA and activates gene expression. This finding refutes the theory that SMAD2 does not bind to DNA.
Researchers from University of Copenhagen have discovered how stem cells can 'forget' their past and develop into specific cell types. The study reveals that transcription factors play a key role in regulating gene expression, rather than driving cellular development.
Researchers at UC San Diego School of Medicine discovered that genetic variations in NKX2-5 protein affect heart function, revealing a common mechanism across multiple heart-related traits. The study uses skin-derived induced pluripotent stem cells to analyze the role of NKX2-5 variants.
Researchers found that small changes in SOX2 and OCT4 levels impact embryonic stem cell fate during the G1 phase. Elevated OCT4 levels direct cells towards neuronal and non-neuronal types, while increased SOX2 pushes them towards neuronal-type cells.
Researchers discovered physical interactions between proteins and DNA that help explain why genetic condensates cluster along super enhancers, stimulating gene transcription. The study provides a fundamentally new approach to deciphering gene control in the 'dark matter' of our genome.
A team of scientists has identified a stem cell inducing factor called STEMIN that enables the direct conversion of leaf cells to stem cells in plants. This discovery sheds light on the molecular mechanisms underlying stem cell formation and regeneration in land plants.
Researchers found KLF4 protein stability is critical for stem cells to specialize and become specific cell types. By preventing this breakdown, stem cells can differentiate into organs.
Research on Drosophila reveals that Ets21c promotes intestinal epithelial renewal, but its loss accelerates tissue turnover and makes flies vulnerable to stress. The study contributes to understanding regenerative processes under favourable and stressful conditions.
Researchers identified a critical role for hypoxia-inducible factor 1-alpha (HIF-1A) in increasing the risk of type 1 diabetes after viral infections. The study suggests that exposure to coxsackievirus and other environmental triggers can lead to β-cell death and increased incidence of type 1 diabetes.
A team developed an integrative model of the transcription preinitiation complex (PIC) using IBM's Summit system. The new model provides superior insights into protein structures and dynamics, revealing how mutations cause genetic diseases.
Research suggests that exercise performed in the evening may be more productive due to increased levels of ZMP, a metabolite that activates metabolic pathways related to glycolysis and fatty acid oxidation. In human studies, lower oxygen consumption and better exercise efficiency were observed in the evening compared to morning.
The research offers a potential framework and more efficient methods for investigating vital pathways in any organism. The team mapped out a network of interactions for how plant genes coordinate their response to nitrogen, a crucial nutrient and the main component of fertilizer.
Researchers discovered that a cellular protein acts as a 'gas pump attendant' controlling cancer cell growth, ensuring only necessary proteins are produced. This understanding may lead to new ways to inhibit cancer development.
Researchers at EPFL's LBNC have developed a quantitative, replicable method for studying gene expression using a cell-free system in combination with high-throughput microfluidic devices. This approach allows them to build synthetic biological logic gates that can be used to modify cellular functions and introduce new therapeutic purpo...
Researchers identified two proteins, SIX1 and SIX2, that act as gatekeepers to regulate the immune response. The proteins were found to be involved in reducing inflammation by dampening the noncanonical NF-κB pathway.
Researchers have identified a novel transcription factor called Osteoblast Inducer-1 (ObI-1) that regulates the differentiation of mesenchymal stem cells into bone in mice. This discovery has significant implications for regenerative medicine, as MSCs offer a promising source of stem cells for therapeutic applications.
Researchers at NC State University have identified a complex transcriptional regulatory network that regulates wood formation in woody plants. The study reveals novel interactions between key transcription factors and genes, providing insights into the regulation of lignin biosynthesis and its relation to disease resistance.
Researchers found that active genes restrict DNA movement by organizing it into a network of interconnected domains. Chromatin becomes more mobile when gene transcription is inhibited or cells enter quiescence.
A study reveals how HIV-1 protein Vpu hinders the immune system's response to infection by inhibiting transcription factor NF-κB and reducing antiviral factors. This finding could inform therapeutic approaches aiming to activate dormant HIV for subsequent elimination.
Researchers at EPFL discovered that different TFs vary greatly in their ability to scan the genome, with some being highly efficient while others are less effective. The study found that TFs that associate with mitotic chromosomes are more efficient in finding specific binding sites and regulating gene expression.
An international team of researchers has identified IRF6 gene mutations as a cause of neural tube defects, including spina bifida. The study found that alterations in the IRF6 gene can disrupt the development of the neural tube and lead to structural birth defects.
A gene expression atlas has mapped the variability in genetically identical plants, revealing that around 9% of genes behave unpredictably. This variation helps plants respond to environmental factors like light, temperature, and pathogens, increasing their survival chances.
A new SVM-based method predicts enhancer regions with satisfactory performance, outperforming modern methods on various cell lines and tissues. The method achieves better results for adult-stage tissue predictions compared to fetal stages.
Researchers found that engram neurons, responsible for long-term memory, are formed through a transcriptional cycling process involving MAPK and CREB. This discovery has implications for understanding the mechanisms of learning and improving memory, as well as developing treatments for memory impairment.
Researchers at Nara Institute of Science and Technology discovered how transcription factors AGAMOUS and CRABS CLAW bind to the YUC4 gene, regulating plant hormone auxin synthesis. This epigenetic regulation is crucial for proper flower formation and gynoecium development.
A study published in Cell Stem Cell found that glial cell development involves three stages and is regulated by specific transcription factors. The researchers discovered that the proteins NFIA, ATF3, and Runx2 play key roles in organizing glia-specific gene expression.
Researchers identified NGA1, a transcription factor in Arabidopsis thaliana, as a key player in early drought stress response by activating the NCED3 gene and promoting abscisic acid (ABA) biosynthesis. This finding suggests that ABA accumulation is essential for plant protection against dehydration.
Researchers have identified a new way to target and degrade a class of proteins called zinc finger transcription factors, which play critical roles in health and disease. By modifying thalidomide analogs, scientists can selectively degrade specific zinc fingers, offering a promising lead for developing new cancer treatments.
Researchers at NUS Cancer Science Institute identified a SCC-specific protein complex triggered by TP63 and SOX2, promoting SCC growth through gene cascades. This discovery offers avenues to target SCCs and pave the way for innovative therapies.
Researchers have discovered a central signal sorting hub in plants that fine tunes growth and immunity in line with key seasonal cues, revealing the existence of DET1 and COP1 proteins in plant defense.
A study found that bacteria in the intestines fuel tumor growth in the colon, with chronic inflammation having no effect on cancer development. Microbial therapy is considered a promising approach when more about bacterial flora composition is known.
A new study reveals that c-MYC induces the production of a transcription factor, increasing the numbers of stem cells in the intestinal epithelium and contributing to adenoma formation. The loss of Ap4 protein leads to reduced tumors and longer survival, indicating its role in controlling intestinal homeostasis.
Researchers discovered that Fox genes play a crucial role in directing stem cells to form cartilage and teeth during facial development. The study found that mutations in these genes can cause diseases such as cancer and language disorders.
Research reveals that cells must grow large enough to produce four key proteins before committing to division. This mechanism, discovered in budding yeast cells, may hold clues for controlling abnormal cell growth and its link to diseases like cancer.
Researchers have discovered a precise DNA sequence code that determines how transcription factors bind to specific regions in the genome. This finding sheds light on cell differentiation during embryonic development, offering potential insights into diseases caused by disrupted transcription factor function.
Scientists at Scripps Research Institute have developed a new method for generating brain cells from skin cells, opening up new possibilities for studying neurologic diseases. The study found over 70 new recipes or codes for neuronal production and discovered that synthetic neurons can grow synapses and communicate with each other.
A new study found the Epstein-Barr virus is linked to seven serious diseases, including systemic lupus erythematosus (SLE), multiple sclerosis (MS), and type 1 diabetes. The virus affects nearly 8 million people in the US, highlighting a common cause of chronic illness.
A novel computational method reveals that EBV protein EBNA2 activates human genes associated with increased risk for autoimmunity, including systemic lupus erythematosus and multiple sclerosis. Researchers propose potential therapies to interrupt this process.
The absence of Sp7 transcription factor halts tooth development in mid-stride, preventing the maturation of cells responsible for creating dentin and enamel. This discovery adds to our understanding of craniofacial abnormalities, which are common birth defects in humans.
A new algorithm developed by Columbia University researchers deciphers the genome's most hard-to-translate segments, providing a more complete picture of what DNA encodes. This breakthrough may help find the links between genes and disease, such as schizophrenia, Parkinson's disease, and autism.
Researchers studied thiostrepton's effects on endometriosis using an endometriotic rat model. Thiostrepton, a FOXM1 inhibitor, reduced expression of key proteins in endometriotic lesions. This suggests thiostrepton may inhibit endometriosis growth by decreasing FOXM1 expression and exerting a pro-apoptotic effect.
Researchers have discovered a balance between two sets of transcription factors that instruct blood vessel cells to become blood stem cells during embryonic development. The findings could aid research into creating new blood cells for transplants and understanding cancer metastasis.
Researchers will study basal-squamous and luminal subtypes of aggressive bladder cancer using a mouse model and human cancer cell lines. Understanding the role of TFAP2 transcription factors may lead to new therapeutic approaches for predicting patient response to treatment.