Articles tagged with Gene Regulation
Scientists have found that the gene PBK is overexpressed in pulmonary hypertension, causing excessive cell proliferation and thickening of pulmonary artery walls. They are now exploring PBK inhibitors to reduce cell proliferation and improve heart and lung function.
Researchers found that a Parkinson's disease mutation mislocalizes iron in activated microglia, leading to toxic iron accumulation. This mislocalization may explain the disease's progression and provide a basis for therapies targeting LRRK2.
A study published in Allergy reveals the importance of PU.1 transcription factor in regulating CCL17 gene expression, which contributes to allergic diseases. The research found that suppressing PU.1 can reduce inflammation in asthmatic mice, paving the way for novel treatments.
Scientists from Tokyo Institute of Technology have developed a genetically encoded probe to visualize active transcription sites in living cells. The probe successfully identified phosphorylated Ser2 in RNA polymerase II, allowing for the localization of elongation phase transcription sites in real-time.
Researchers from the University of Tsukuba found that the FoxO-KLF15 axis regulates macronutrient metabolism in the liver in response to changes in insulin levels. This pathway promotes the conversion of protein to carbohydrate and prevents the conversion of carbohydrate to fat during fasting, but shuts down during feeding.
Researchers at MIT discovered how molecular clusters in the nucleus interact with chromosomes, forming small, stable droplets that give the genome a gel-like structure. This interaction helps control gene expression and maintain stable interactions between distant regions of the genome.
A new study from Keck School of Medicine of USC shows that vaping is associated with dysregulation of mitochondrial genes and immune response genes, similar to smoking. The research found that over 80% of gene dysregulation in vapers correlated with the intensity and duration of current vaping.
A study led by Children's Hospital of Philadelphia researchers used stem cells to implicate several genes involved in bodily functions associated with the hypothalamus. The findings could help clinicians identify potential causes of dysfunction for traits regulated by the hypothalamus, such as sleep and stress.
Researchers found that dual-regulation by two distinct groups of splicing factors ensures phase-separation of large exon-containing transcription factors. SRSF3 overrides the splicing-suppressive activity of hnRNP K on large exons.
A recent study reveals that child maltreatment is associated with altered oxytocin gene methylation, leading to atypical brain structures and function. This finding suggests a potential biological mechanism for targeting during adolescence to improve the lives of victims of childhood abuse.
Researchers have identified thousands of novel brain-expressed gene isoforms, revealing a complex web of protein production in the brain. The study suggests that genes expressed in the brain may produce far more proteins than previously thought, with potential implications for diseases such as Alzheimer's and schizophrenia.
Researchers at CNIC have identified the essential role of GPR126 in placental development, revealing its critical function in fetal growth and viability. The study also highlights a possible link between GPR126 dysfunction and pregnancy complications such as preeclampsia.
Researchers discovered that a single protein, Kr-h1, responds to socially regulated hormones to orchestrate the complex social transition in Harpegnathos saltator ants. The study reveals important roles for gene regulation and hormone response in controlling animal brains' plasticity.
A team of scientists developed a drug-like molecule that can counteract the effects of mutated epigenetic regulators, which are known to drive certain types of cancer. The molecule targets the 'reader' CBX8, which is critical for the proliferation of cancer cells, but more dispensable in healthy cells.
Researchers developed a combined approach to amplify the large-scale biosynthetic gene cluster, resulting in a 9.59-fold increase in bleomycin production. The method uses a ZouA-dependent DNA amplification system and double-reporters-guided recombinant selection.
Researchers at Duke University and UC Irvine identify Kenpaullone, a cancer drug, as an effective analgesic for chronic and challenging-to-treat pain. The compound enhances Kcc2 gene expression, which resets maladaptive genetic switches in neurons, leading to pain signal silencing.
A preclinical study found that blocking the Bach1 protein slowed brain cell deterioration in Parkinson's disease. The researchers identified a potent inhibitor of Bach1 called HPPE, which protected cells from inflammation and oxidative stress, and showed promise as a potential therapeutic target.
Researchers have identified a gene called Nup54 that plays a crucial role in regulating female reproductive behaviors in fruit flies. This discovery provides new insights into the molecular mechanisms underlying sexual conflict and its impact on evolution.
A new study has identified a transposon promoter that plays a crucial role in the development of mice and may also be essential for human viability. The discovery suggests that ancient viral DNA has been domesticated to regulate key biological processes, such as cell proliferation and embryo implantation.
Researchers have discovered three new genetic variants linked to fibromuscular dysplasia, which affects women in their prime and is often associated with high blood pressure and cardiovascular complications. The study provides new insights into the disease's genetic basis and potential therapeutic targets.
New research in zebrafish reveals the genetic mechanisms behind blue and green color vision loss in human ancestors. By studying gene editing tools and genome sequencing, experts understand how genes are regulated to detect different light wavelengths.
Researchers create detailed atlas of mouse cerebrum, revealing distinct cell types and gene regulatory elements. The study provides insights into brain organization and function, with potential implications for human neurological diseases and traits.
Researchers have made progress in creating a brain atlas of the mouse brain, which will help develop tools for studying the human brain. The study describes the diversity of neurons in the mouse brain and establishes new methods for characterizing cell types and neural connections.
A new study published in Current Biology found that active genes do not form clusters and share resources during early fruit fly development. The researchers used high-resolution microscopy to visualize the physical position of active genes within the nucleus, observing that each gene has its own pool of transcriptional machinery.
Researchers discovered a microRNA, miR-766-5p, that targets super-enhancers and reduces MYC expression in cancer cells, inhibiting growth rates. The study suggests this molecule could be used as an anti-cancer therapeutic to fight MYC-driven cancers.
Salt stress alters legume responses to symbiotic rhizobacteria by modulating gene expression. Several genes with well-characterized functions in nodulation are highly induced under salt stress, making the plant hypersensitive to bacterial signals.
A research group identified a series of suppressor of siRNA factors that inhibit endogenous siRNA production in C. elegans. The study found that the accumulation of misprocessed ribosomal RNA fragments induces the production of ribosomal siRNAs, which regulate rRNA levels by activating the nuclear RNA interference pathway.
Scientists discovered that deleting specific proteins in immune cells affected certain populations, leading to their disappearance from skin and lungs. This suggests that drugs targeting these components could have unintended consequences for the immune system.
Researchers from Pusan National University have compiled a comprehensive review of ginsenosides, the main component of ginseng, which can prevent inflammation, diabetes, and cancer. The study provides insights into how to improve ginsenoside production through chemical and enzymatic treatments, as well as microbial action.
Research reveals how genetic mutations in aminoacyl-tRNA synthetases cause CMT by halting protein production and inducing integrated stress response. The study's findings provide new avenues for therapies against the disease.
Researchers found that the gene TCF-1 regulates specific Treg cells, leading to more severe and inflammatory colon cancers. Without TCF-1, these cells become activated and gain a gut-homing feature, resulting in harsher cancer outcomes.
Researchers have uncovered thousands of new regulatory regions that control disease-linked genes, providing a significant step forward for genomics-driven precision medicine. This new resource, available worldwide, could help identify markers revealing which patients will benefit most from specific treatments.
Researchers found that genes can be triggered by specific patterns of light exposure, producing varying levels of activity. The output was not directly correlated to the input, and controlling frequency gave precise control over gene activity.
A comprehensive review reveals how excessive fructose intake can disrupt metabolic pathways, leading to diseases such as diabetes, fatty liver disease, and heart disease. The study highlights the role of protein transporters, gluconeogenesis, and gene-level changes in regulating fructose metabolism.
A Spartan-led team has assembled the most complete picture of the bowfin genome to date, revealing striking similarities between bowfin gas bladder development and human lung development. This breakthrough provides a better model for studying human health and disease, with potential implications for understanding evolutionary history.
International genetic research projects struggle with GDPR interpretation due to ambiguous rules on personal data, consent, and data transfer outside the EU/EEA. Measures to reduce these challenges are proposed, including a more genetics-sensitive approach with regulators.
A new study from Salk Institute researchers found that a critical threshold of miR-218 levels determines the development of ALS in animal models. The study sheds light on the complex control of gene expression and its implications for treating neurological disorders.
A USC-led study has mapped the developmental blueprint of human kidneys, shedding light on how cells interact to form filtering units. The research provides a foundation for creating synthetic mini kidneys and could lead to new treatments for kidney diseases.
A new study led by ISGlobal has identified a gene called PfAP2-HS that allows the malaria parasite to defend itself from febrile temperatures and other adverse conditions within the host. The study found that this gene activates a protective response against high temperatures, helping the parasite survive in the host's environment.
Researchers at the University of Pennsylvania School of Medicine have identified 182 genes likely responsible for kidney function and 88 genes for hypertension. The study provides a clearer picture of the genetic underpinnings of chronic kidney disease, paving the way for potential treatments.
Researchers at Oregon Health & Science University have successfully used a synthetic compound to regulate the TREM2 gene, implicated in neurodegenerative diseases. The findings raise hope for developing new treatments for Alzheimer’s and Parkinson’s.
Scientists at the University of Copenhagen have discovered that exercise can alter the structure of our DNA, specifically the enhancers that regulate gene expression. This epigenetic rewiring may be responsible for the beneficial effects of physical activity on human health.
Researchers identified a novel lncRNA, Teshl, which plays a crucial role in the development of Y-bearing sperm and regulates sex chromosome gene expression. The study provides new insights into sex ratio variations and suggests that genetics may be a key factor in human male infertility.
Researchers from the University of Malta applied genomics to identify genetic variants causing pregnancy-induced diabetes, highlighting the disorder's genetic heterogeneity. The study provides new insights into the aetiology of complex traits and reinforces precision medicine research.
YiPing Chen, a renowned developmental biologist, has made significant contributions to the understanding of genetic control and molecular regulation of mammalian organ development. He is recognized for his work on genetic regulation of tooth development and cleft palate, which have improved our knowledge of craniofacial biology.
Researchers have developed a way to control multiple genes in yeast cells, paving the way for more sustainable production of bio-based products. The study demonstrates the use of dCas12a to regulate gene expression in Saccharomyces cerevisiae, unlocking its potential for producing pharmaceuticals, fuels, and food additives.
Researchers at North Carolina State University developed a new technique to alter plant metabolism, reducing harmful chemical compounds, including nicotine and carcinogenic N-nitrosonornicotine (NNN), while promoting beneficial traits like antioxidant-rich anthocyanins. The findings could be used to improve the health benefits of crops.
Researchers discovered that Wolbachia's growth affects its cost for the host and its transmission efficiency. The team found that protection against viruses depends on the amount of Wolbachia at the moment of infection, while longevity relates to its speed of growth in adult hosts.
Researchers John Schwabe and Daniel Panne have been awarded £3.89 million to investigate gene regulation, with a focus on histone deacetylase complexes and DNA folding. The study aims to understand how genes are regulated and its potential in treating diseases such as cancer and Alzheimer's.
Researchers at Harvard University have created a comprehensive molecular atlas of the developing somatosensory cortex, providing insights into how gene activity and regulation change over time. The study sheds light on the complex process of cortical development, including when different neuron populations are established.
Researchers at Kobe University have discovered how CRCT protein regulates starch synthesis in plants, revealing a complex with 14-3-3 proteins that promotes transcription and increases starch production. The findings could lead to improvements in agricultural crops.
Researchers have successfully used CRISPR-Cas9 gene editing technology to manipulate glucosinolate levels in broccoli, reducing their accumulation in the leaves and florets. This study highlights the potential of gene editing to improve crop health and adaptability in challenging environments.
Researchers analyzed epigenomic signals in human and primate cell lines, revealing weak signals linked to brain functions. The findings provide insights into the evolution of human biology and offer a new model for studying regulatory elements.
Researchers found that DNA methylation increases stiffness of DNA, affecting its 3D structure and gene activation. This discovery reveals a cryptic mechanism connecting epigenetic footprinting and gene programming.
Researchers discovered that the first frost triggers a molecular response in plants, called COOLAIR, which helps regulate flowering. This finding has implications for understanding how plants adapt to fluctuating temperatures and could lead to improved crop yields.
Researchers discovered a correlation between decreased Rbbp7 levels and increased tau protein tangle formation in Alzheimer's brains. Restoring Rbbp7 levels reversed tangle formation and cell loss, offering a new avenue for effective treatments.
The study reveals that DNA's twisted structure actively regulates genes, particularly those responding to stress and stimuli. Topoisomerase TOP2A eliminates negative supercoiling at gene promoters, allowing for quick activation of these genes.
St. Jude Children's Research Hospital scientists have developed an integrated system to better understand and possibly manipulate gene expression for treatment of disorders like sickle cell disease and beta thalassemia. The new method identified dozens of DNA regulatory elements that orchestrate fetal-to-adult hemoglobin switch, offeri...
The study created a genetic database that maps the function of genetic variants in autoimmune diseases, connecting DNA sequence changes to gene expression levels. The researchers analyzed 79 healthy volunteers and 337 patients with different types of immune-mediated diseases.
Researchers investigate renin-angiotensin system genes in brain region associated with traumatic memory processing, potentially leading to improved fear memory and reduced CVD risk. Current treatment options for PTSD are limited, but this study offers new insights into therapeutic targets.