Articles tagged with Gene Expression
Scientists have identified two distinct genetic subtypes in Crohn's disease patients, each with unique patterns of gene expression and clinical features. This discovery could lead to more effective treatment strategies tailored to individual patients' needs.
Researchers are investigating the role of SLC13A3, a likely tumor suppressor gene, in kidney cancer. They hope to understand why its expression is suppressed in African American patients and explore its potential as a therapeutic target.
A new study strengthens the links between transposons and aging, showing that increased transposon activity correlates with decreased lifespan in fruit flies. The study also reveals that manipulating genes involved in heterochromatin repression can lengthen lifespan, suggesting a potential therapeutic target for age-related diseases.
The Soybean Knowledge Base (SoyKB) uses high-performance computing to analyze soybean genetic data, promoting deeper understanding for scientists improving crops. Over 2,000 unique users log on monthly, with over 10,000 utilizing the platform since its development in 2010.
Researchers have identified novel expression sites in the hippocampus and olfactory bulb of mouse brains where the C9orf72 gene is strongly expressed. This discovery provides an important resource for studying animal models of ALS and FTD, with hopes of developing new treatments and eventually cures.
Researchers found that blocking specific cell signaling pathways may reduce the risk of preterm labor caused by inflammation or stop it altogether. The study also identified key molecules in the Notch signaling pathway, paving the way for therapies to control preterm labor in humans.
UAB researchers have discovered that levodopa induces widespread DNA methylation changes in brain cells that contribute to the development and maintenance of levodopa-induced dyskinesia. Modulating global DNA methylation may be a novel therapeutic target to prevent or reverse this condition.
A new study found no serious adverse events related to gene therapy in patients with advanced Parkinson's disease five years after treatment. The long-term safety profile of the therapy is promising, lending support to its potential as a treatment for this debilitating disease.
A new study reveals that a simple GAGA DNA sequence is essential for dosage compensation in insects, allowing males to achieve double gene expression on their X chromosome. This process likely evolved independently among different species and may be applicable to other animals, including mammals.
Researchers at Hokkaido University found that biglycan molecule attracts tumor cells to blood vessel walls, facilitating metastasis formation. High biglycan expression linked to poor prognosis in breast, lung, and colorectal cancer patients.
Whole-genome gene expression and methylation data offer more predictive power than commonly-used clinical information in breast cancer survival predictions. Combining these data with clinical information improves predictions, suggesting a promising genomic approach for future clinic applications.
Researchers found that environmental factors and epigenetic changes are necessary to alter immune gene expression in individuals with familial ALS. This discovery may pave the way for developing preventive strategies for those at risk of ALS.
Researchers built a gene expression database of a stag beetle species and identified key genes involved in sex determination and differentiation. The study found that the intersex gene plays a crucial role in determining female-specific traits, while the transformer-2 gene affects more than just sex-specific characteristics.
A new high-resolution method allows analysis of all RNA molecules and provides spatial information, enabling precise identification of tumor cells and studying gene activity with greater resolution than ever before. This innovation has valuable applications for both preclinical research and cancer diagnostics.
Researchers found that fruit flies adjust their gene expression and metabolism to cope with cold temperatures, with nearly a third of genes altered and half of metabolites changing expression. This adaptation is crucial for insect survival during winter months.
Researchers at the University of Michigan have discovered a protein that acts as a powerful protectant against free radicals, which cause cell damage and death. The protein is activated by excessive free radicals and helps to regulate autophagy, a process that reduces oxidative stress and slows down aging.
The Jackson Laboratory's Gene Expression Database (GXD) will receive $10.5 million in funding over five years to support data curation and integration, infrastructure expansion, and enhanced tools.
Scientists at Hokkaido University developed a new CRISPR/Cas9 technique to unleash silenced genes, changing cell fates. They used DNA repair mechanism MMEJ with CRISPR/Cas9 to replace off-switches with on-switches, enabling efficient gene expression in cultured cells.
Researchers have successfully sequenced the genome of Hevea brasiliensis, the natural rubber tree, uncovering key genes responsible for its unique properties. The study identifies a cluster of genes related to rubber biosynthesis and disease resistance, which may contribute to the tree's high latex production.
Scientists have improved integration of biological data using Wikipathways, enhancing understanding of diseases like diabetes and asthma. The technology aggregates information from various databases, including DisGeNET and the EBI Expression Atlas, to discover new therapeutic targets.
A new study led by NIH researchers suggests that rod photoreceptors in mammals evolved from cone cells through a protein-mediated transformation, enabling nocturnal animals to thrive. The findings provide insights into the evolution of night vision and have potential applications for regenerating retinal cells.
The NIH has developed a crowdsourcing platform, OMics Compendia Commons (OMiCC), to make public gene expression data more accessible. Researchers can create groups of data and annotate them with standardized parameters, allowing for the reuse of existing data to address new research questions.
Researchers found that the testes of larger, more aggressive dark-eyed juncos produced more testosterone, leading to flashier plumage and other traits influenced by testosterone. The study challenges the prevailing theory that hormonally regulated trait differences are controlled largely by the brain.
Researchers from the University of Pennsylvania have identified distinct characteristics that differentiate reserve stem cells from label-retaining cells, resolving a decades-long debate. The study uses single-cell gene expression analyses to demonstrate that reserve stem cells are a separate population in the intestines.
Researchers have discovered a subgroup of neurons in the nasal cavity that express CD36, a lipid metabolism regulator, linking it to a preference for high-fat food and potentially odorant detection. The study suggests a possible role of CD36 in perception of smells and social interactions.
Researchers at University of Delaware develop new biomaterials platform to stimulate growth factor expression and enhance chronic wound repair. The approach aims to provide a more efficient and localized production of growth factors, promoting full wound closure.
Research found that early institutional care was associated with lower DNA methylation at specific stress-related genes. This epigenetic modification can have long-lasting impacts on biological and behavioral processes.
GAM is a free web service that identifies links between changes in metabolism and genes, enabling better understanding of complex biological processes. The program can analyze entire maps of metabolic pathways in cells, revealing mechanisms of tumor growth and shedding light on autoimmune pathologies.
A study by the Wyss Institute team provides a valuable guide to researchers on selecting synthetic Cas9 proteins for gene activation in various cell types. The findings identify top-performing activators and offer strategies to maximize gene expression.
Researchers discovered the Oct4 gene plays a critical protective role in preventing heart attacks and strokes by stabilizing atherosclerotic plaques. Manipulating its expression may help block age-related decline in the body's ability to carry out repairs and heal wounds.
Researchers at Boston University School of Medicine have discovered a reliable marker (PDGFRβ) to detect carcinoma-associated fibroblasts in oral cancer tissues. This finding could lead to the development of more effective cancer therapies by combining anti-PDGFRβ treatment with existing tumor treatments.
Researchers have discovered a gene signature that characterizes the transition from dilated cardiomyopathy (DCM) to heart failure. The study found increased expression of fibrotic and inflammatory genes, as well as changes in heart muscle cell proliferation and metabolic profiles.
Loyola researchers identified a tumor gene that predicts survival outcomes in mouth and tongue cancer patients. The spectrin gene is expressed in 4.6 times more likely to die, requiring more aggressive treatment.
A study found that freeze-thawing and intravenous infusion affect mesenchymal stromal cell gene expression, which may impact their therapeutic use in reducing inflammatory responses. The lung microenvironment also influences MSC gene expression, highlighting the need for careful characterization.
A new rat study reveals genetic differences in the brain's pleasure receptor and epigenetic tags that affect cocaine addiction and relapse. The findings suggest inherited traits and epigenetics play a role in addiction vulnerability, with some rats more likely to seek out cocaine repeatedly due to genetic markers.
Acute myeloid leukemia researchers have identified a microRNA pathway that could lead to new targets for treatment. The study found that miR-22 is down-regulated in AML, leading to the development of cancer-causing genes and pathways. This discovery offers hope for developing effective therapies against this deadly disease.
A new study reveals that muscles controlling the eyes and eyelids are selectively spared in Duchenne muscular dystrophy due to higher utrophin levels. Researchers also found ECC machinery and calcium regulation similar to those of quadriceps muscles, challenging current understanding of muscle function.
Eosinophilic esophagitis-linked calpain 14 is an IL-13-induced protease that mediates esophageal epithelial barrier impairment. CAPN14 overexpression impairs tight junction protein desmoglein 1.
Researchers found chemicals in commonly used fungicides alter gene expression in mouse brain cells similar to those in people with autism and Alzheimer's disease. The study suggests these chemicals may impact brain function, including synaptic transmission and inflammation.
Scientists have developed a modified form of CRISPR that can silence genes in stem cells more efficiently and precisely than the original CRISPR-Cas9 system. This new technology allows for flexible gene suppression and reversal, enabling versatile investigations into genetic diseases.
A team of researchers discovered that people with Down syndrome have altered white matter insulation in their brains, affecting nerve transmission. This finding may lead to new treatments for DS patients and has implications for other developmental disabilities like autism.
A new study found that differences in gene expression patterns in youth can predict longevity. Genes involved in energy production are less active, leading to longer lifespan. Researchers also discovered a potential link between mitochondrial function and longevity.
Scientists have identified three previously unknown subgroups of innate lymphoid cells (ILCs), a group of immune cells crucial for maintaining the barrier function of mucosa. This discovery was made possible by single-cell RNA sequencing, which allowed researchers to analyze gene expression across thousands of genes.
Researchers have discovered that complex brain divisions in vertebrates evolved before the emergence of jaws, contradicting previous assumptions. The study found similarities between jawless fish and jawed vertebrates in brain development patterns.
A Penn study shows that knocking out a key gene during development accelerates aging and shortens lifespan by two thirds in mice, but delaying the deletion until after birth eliminates this effect. The findings highlight the need to understand the role of clock genes during development.
Researchers demonstrate selective gene delivery to modified upper motor neurons, showing promise for future gene replacement therapies. The study provides evidence that targets diseased cells with high specificity, laying the groundwork for effective treatment strategies.
Researchers found that an FDA-approved blood pressure drug reduced cell damage linked to Alzheimer's disease. The study supports the potential effect of other Angiotensin receptor blockers (ARBs) for early treatment.
A team of international scientists has identified a mechanism for chromatin-remodeller enzymes to regulate gene expression in embryonic stem cells. By mapping the location of these enzymes across the genome, researchers found that they bind to specific nucleosomes before gene sequences, controlling access to critical DNA regions.
A study published in Neurology found that individuals with higher BDNF protein levels had slower cognitive decline than those with lower levels. The researchers discovered a 50% reduction in cognitive decline for those in the highest 10% of protein expression compared to the lowest 10%.
A new study examined the early expression of genetic risk for schizophrenia in adolescence, finding associations between psychopathological features and increased risk. The research, published in JAMA Psychiatry, highlights the importance of monitoring genetic risk factors during critical developmental periods.
A new study from the University of Minnesota Academic Health Center found DNA imprinting defects in children with osteosarcoma and their parents. The researchers suggest that these defects may be a cause of the disease's pathobiology, and could lead to targeted treatments using DNA- and chromatin-modifying drugs.
Researchers discovered brief opportunities for recovery from chronic stress by altering gene expression, enabling neural circuitry changes. The brain retains the ability to change and adapt, even under repeated stress.
Scientists discovered a cellular mechanism that allows herpes simplex virus to reactivate in neurons, triggered by stress. The virus uses a protein pathway called JNK to escape the neuron's repressive environment and cause disease.
Researchers found that moving from forest to urban habitats affects epigenetic patterns of the immune response, while historical lifestyles impact development and physical characteristics. These findings suggest a significant influence of environment on epigenetics and potential risks for autoimmune diseases.
Researchers investigate how early life stress affects gene expression and increases cardiovascular risk in young adults. Longitudinal study analysis reveals persistent methylation changes associated with childhood trauma and ACEs.
Researchers found that group B streptococcus mutations can promote virulence in infants, particularly after the first few days of life. The study identified specific genomic changes associated with increased virulence, highlighting the need for better therapeutic interventions against neonatal GBS infections.
A nine-gene molecular prognostic index (MPI) provides accurate survival stratification for early-stage non-small cell lung cancer (NSCLC) patients. The MPI combines gene expression profiles with clinical data from a large database, enabling robust and clinically applicable predictions.
Research identifies a key trouble spot in the brain that contributes to intellectual disability in Down syndrome, shedding light on disrupted brain networks. The study suggests therapies targeting these networks may be beneficial for future treatments.
Researchers at the University of Montreal successfully block apoC-III gene expression, demonstrating significant decreases in triglyceride levels. This breakthrough could lead to precise interventions for severe hypertriglyceridemia, reducing cardiovascular risks.
The study reveals how lysine acetylation in histone tails influences gene activity by altering their structure. This modification makes DNA molecules more accessible to effector proteins, leading to increased gene expression.