Articles tagged with Gene Expression
Researchers have developed a lab-grown human skin model that effectively replicates mpox virus infections, providing insights into the virus's mechanisms of attack on skin cells. The study reveals how the virus causes disease and identifies potential therapeutic targets, including an antiviral drug called tecovirimat.
Researchers found a quantitative difference in B cell response following vaccination between young and older adults, with younger adults mounting a stronger clonal response and older adults having more activated B cells. This study provides insights into the age-related differences in B cell vaccine response and may lead to the develop...
Scientists discovered a key regulator that balances X chromosome genes between male and female mosquitoes, which could help develop new ways to prevent the spread of malaria. The finding sheds light on how mosquitoes compensate for having only one X chromosome, offering potential strategies to reduce blood-sucking female mosquitoes.
Researchers at Chalmers University of Technology have shown that graphene oxide nanoflakes can reduce the accumulation of misfolded amyloid peptides in yeast cells, which are similar to human neurons affected by Alzheimer's disease. This suggests that graphene oxide may hold great potential for treating neurodegenerative diseases.
Cancer cells exploit enhancer DNA to accelerate tumor growth, according to researchers at the University of Toronto. The study found that specific proteins regulate this process, suggesting potential treatments through FOXA1 or NFIB suppression.
A recent study by Ohio State University researchers found that saturated fats can interfere with the creation of new memories in aged brains. However, omega-3 fatty acids, particularly DHA, may help protect brain cells from fat-related inflammation. The study used cell cultures and brain tissue from aging mice to explore the effects of...
Scientists at University of Cambridge create Highlighter tool that uses specific light conditions to activate defense mechanisms in plants, allowing them to 'talk' to humans about impending dangers such as disease outbreaks and heatwaves. The system utilizes optogenetics technology to control biomolecular processes at the cellular level.
Researchers developed a DNA damage-induced senescence model in osteoarthritic chondrocytes, which reliably induces cellular senescence and accumulates senescent cells in OA joint tissues. The study provides a useful model to develop therapeutic approaches targeting senescence in osteoarthritis.
Researchers identified distinct genomic characteristics that impact prognosis for patients with triple negative apocrine carcinoma. The study confirmed a five-year disease-free survival rate of 92.2% for these patients, significantly higher than those diagnosed with other types of TNBC.
Researchers discovered that a small subpopulation of AIB1-expressing cells in breast cancer enables invasion and metastasis. The study suggests that these subpopulations play a crucial role in tumor growth and spreading to distant sites.
A team of Chinese and UK researchers has identified superoxide dismutase 1 (SOD1) as a potential target for reversing drug resistance in ovarian cancer. By using nanoparticles to deliver siRNA that reduces SOD1 levels, the study showed reduced growth and decreased resistance to cisplatin in female mice.
Researchers at Karolinska Institutet have found that weightlessness affects T cells in astronauts' immune systems, making them less effective at fighting infections. The study's results could lead to new treatments for reversing these changes.
Researchers used Drosophila to investigate how similar neurons develop unique properties through differential gene expression. The study found that two closely related neuron types differed in over 800 genes, leading to distinct functional characteristics.
A University of Ottawa-led research team has made significant progress in understanding XLP-2, a genetic disorder that affects the immune system. The study reveals two underlying mechanisms: poor expression of Interleukin-6 and compromised T cell survival, which lead to immunodeficiency in patients.
Researchers discovered that adult and aged mice demonstrated improved performance in behavioral tasks after environmental enrichment, with MSK1 playing a vital role. The study highlights the importance of MSK1 in converting positive experiences into cognitive benefits across the lifespan.
Researchers at Penn State discovered that bioluminescent bacteria use a small RNA molecule called Qrr1 to coordinate their behavior and colonize the squid's light organ. This mechanism is likely widespread among bacteria, enabling them to exploit quorum sensing pathways.
Professor Coppedè's appointment aims to enhance the journal's focus on cutting-edge genomics research, covering topics like genome sequencing and functional genomics. He will lead Current Genomics to greater success by staying at the forefront of genomics discoveries and advancements.
Researchers develop predictive model to control gene expression with high accuracy, enabling precise modulation of gene dosage. The AI-powered tool uses deep learning to predict on- and off-target activity of RNA-targeting CRISPRs, holding promise for treating viral infections and developing new therapies.
A Japanese research team identified two critical signaling pathways regulating stem cell differentiation in the stomach, promoting healthy homeostasis and protecting against gastric diseases. The study, published in Nature Communications, sheds light on the mechanisms behind cellular renewal and differentiation.
Researchers have developed a sustainable and scalable method to produce therapeutic oligonucleotides, which have the potential to treat various diseases. The new approach uses polymerases to amplify a catalytic DNA template in a single step, addressing challenges associated with current methods.
A recent study published in Nature Neuroscience clarifies the connection between autism and the microbiome, identifying autism-specific metabolic pathways associated with particular human gut microbes. The analysis, which harmonized dozens of previously published datasets, reveals a common microbial signature distinguishing autistic fr...
The study found that multiple copies of two genes, cldnj and fthl27, enable the hadal snailfish to maintain auditory senses and withstand high pressure. The fish's genetic variations allowed it to adapt to the absence of light in the deep sea, with some genes related to circadian rhythms lost.
Researchers mapped aging process in 163 distinct cell types in fruit flies, revealing unique patterns. Neurons age slowly, while muscle and fat cells decline rapidly.
A plant-based, oral delivery of proinsulin regulated blood sugar within 15 minutes similar to naturally secreted insulin in diabetic mice. This method eliminates the need for expensive laboratory equipment and results in a shelf-stable product, making it more affordable and accessible.
A study by Florida Atlantic University and Duke University reveals that the malaria parasite's biological clock is 'in sync' with its human host's circadian clock. The researchers discovered a 'coupling' mechanism between the parasite and its host, which could lead to new treatments for this deadly disease.
Researchers developed a new biological age indicator, DNAmFitAge, that incorporates physical fitness parameters, showing a correlation with lower mortality risk, coronary heart disease risk reduction, and improved disease-free status in physically fit individuals.
Researchers found that malaria parasites synchronize their gene expression with the host's internal clock, repeating every 24 hours. The study reveals a potential new target for anti-malarial drugs by 'jet-lagging' the parasites' clocks.
A phase II trial showed that patients with extensive stage SCLC expressing the Schlafen-11 gene had significantly longer progression-free survival when treated with atezolizumab and talazoparib. The study demonstrates improved outcomes for patients with SLFN11-positive SCLC, paving the way for personalized therapy approaches.
Researchers discovered two new psychrophilic species of bacteria with cold-adapted enzymes, which can be used in biotechnology to produce refrigerated foods, improve detergent quality, and remove pollutants from cold environments. The study was conducted in collaboration with Uruguayan scientists and supported by FAPESP.
Researchers discovered that vascular toxicity linked to these drugs is unrelated to angiogenesis-related genes, but rather due to changes in vascular architecture. This new understanding will help select the most effective and safe way to modulate angiogenesis in ischemic tissues or cancer.
Scientists at La Jolla Institute for Immunology found that MAIT cells can be tuned to fight different pathogens via their metabolism, with two distinct subtypes responding to sugar and fat. This discovery may inspire new vaccines and cell therapies to boost the immune response against specific pathogens.
Scientists at Temple University have developed a novel gene-editing strategy that disrupts the ability of HIV-1 virus to enter host cells by targeting a rare genetic disorder. This approach may offer another target for developing next-generation CRISPR technology for HIV elimination, while avoiding adverse effects on cell mortality.
Researchers at Macquarie University have discovered how superbug A. baumannii survives harsh environments and resists antibiotics by exploiting its strong drug pumps to expel essential metals from the cell. Disrupting this master regulatory protein, DksA, breaks the pumping system and allows for control of the bug.
A study reveals a unique epigenetic biotimer mechanism controlling floral meristem termination and stamen development in Arabidopsis thaliana. The team discovered that AGAMOUS serves as a master conductor orchestrating gene expression through cell cycle-coupled H3K27me3 dilution.
The LY6 gene family has been found to be overexpressed in uterine corpus endometrial carcinoma (UCEC), leading to poor patient survival. Several LY6 genes have been identified as potential tumor-associated antigens and biomarkers for UCEC detection and prognosis.
Researchers at Washington State University have identified the Arrdc5 gene as a potential target for male contraception. The study found that when this gene is inactivated, it causes significant infertility in males, characterized by decreased sperm count, slowed mobility, and distorted shape.
Scientists discovered that male yellow crazy ants have maternal and paternal genomes in different cells, making them chimeras. This unique phenomenon occurs within a single fertilized egg, contradicting the fundamental law of biological inheritance where all cells should contain the same genome.
Researchers generated a POLDIP2 knockout ARPE-19 cell line and found reduced mitochondrial superoxide levels, consistent with upregulated SOD2. The study demonstrates a potential role of POLDIP2 in regulating oxidative stress in AMD.
A study led by Tokyo University of Science researchers identified Dectin-1's role in promoting colorectal cancer by enhancing PGE2 production and suppressing IL-22BP expression. The study used mouse models and clinical samples to validate the findings, which have immediate clinical implications for CRC patients.
Researchers at UC San Diego and UC Merced developed a high-throughput method to study the circadian clock in real time, shedding light on its internal functions. The study found that kinases play a crucial role in relaying the circadian rhythm from the core oscillator to gene expression.
Researchers from Kyushu University found that the single mechanosensitive protein VGLL3 induces fibrosis, thickening and scarring tissue. The study suggests targeting this protein could lead to new treatments against fibrosis.
Children with Down syndrome are highly vulnerable to developing aggressive leukaemia due to a defect in the RUNX1 gene, which regulates blood cell formation. Researchers have identified a specific variant of the gene that promotes leukaemia development and discovered potential therapeutic approaches to correct this malfunction.
Researchers have identified a new method to predict which sarcoma patients will benefit from a potential new treatment. By inhibiting the plk1 gene, they were able to target and slow down the growth of sarcoma cells. This breakthrough could lead to improved treatment options for sickest sarcoma patients in 5-10 years.
Scientists at Max-Planck-Gesellschaft created an interactive atlas of gene expression in the zebrafish brain, revealing hundreds of genes with single-cell resolution. The new map integrates seamlessly with existing data, providing new insights into neural structure and function.
Gene therapy using CRISPR-Cas9 lipid nanoparticles has been shown to be highly effective in reducing target protein expression in mice. The new delivery system increases the efficiency of in vivo gene therapy, paving the way for safe and effective treatment.
Scientists at Caltech have developed a method to move and arrange cells using ultrasound waves, which could enable tissue engineering and cell-based therapy. By harnessing the properties of gas vesicles derived from bacteria, researchers can apply force to cells in a selective manner.
Researchers developed MoBIE, a user-friendly tool for sharing and exploring large image data sets. The tool allows for visualization and analysis of huge amounts of data from hundreds of sources, making it easier for researchers to analyze and interpret microscopy data worldwide.
Researchers found 21 Alzheimer's disease-related genes associated with obesity, including those linked to neuro-inflammation and amyloid-beta protein deposition. Obesity in midlife and women is more closely linked to dementia risk than late life or men.
A team from Australian National University has modified the protein folding properties of bacteria by adding multiple components from plant chloroplasts. This enables them to study and speed up plant Rubisco, a slow protein that requires 'chaperones' for operation.
Researchers identified apremilast as an incredibly promising treatment for alcohol use disorder, reducing consumption by more than half in a clinical trial. The medication, approved for psoriasis and psoriatic arthritis, triggers increased activity in the brain's nucleus accumbens to control alcohol intake.
A new study has shed light on the complex interplay between our body clock, sex, and age, revealing sex-dimorphic gene expression rhythms and reduced rhythmic programs with age across various biological functions. These findings may lead to new ways of diagnosing and treating pathologies such as sleep disorders and metabolic diseases.
A recent gene expression study has discovered 45 novel genes associated with body mass index (BMI), shedding light on the biology of obesity and potential treatments. The research, conducted in a diverse multiethnic cohort, highlights the importance of genetic factors in obesity and opens doors to new biomarkers and therapeutic targets.
A study involving three volunteers found that skin scars treated with hair follicle transplants exhibited profound architectural and genetic shifts towards healthy, uninjured skin. The findings suggest the potential for new therapies to rejuvenate mature scars and restore organ function.
Researchers found that MMTV-NeuT/ATTAC mice treated with anti-PD-1 therapy developed increased tumor-associated macrophages, EMT, fibroblast proliferation, and enhanced extracellular matrix. These findings suggest potential therapeutic avenues to enhance PD-1 immune checkpoint sensitivity.
UC San Diego researchers have developed a simple quantitative formula to interpret how cells regulate transcription and translation processes. This breakthrough provides insight into how cells process environmental information and modulate behavior, enabling the precise manipulation of protein levels. The study's findings have signific...
A study published in Aging-US reveals changes in gene expression associated with age-related muscle loss and frailty. Researchers identified unique cellular subpopulations in aged and sarcopenic skeletal muscle, which may facilitate the development of new treatments for age-related frailty.
A new study from the University of Tsukuba identifies a critical signaling pathway within brain cells that regulates both the length and depth of sleep. By manipulating enzymes and proteins, researchers found that altering this pathway can significantly impact sleep duration and quality.
MIT researchers have identified molecules found in mucus that can block cholera infection by interfering with the genes that cause the microbe to switch into a harmful state. The protective molecules, known as glycans, prevent Vibrio cholerae from producing the toxin that usually leads to severe diarrhea.
A study published in PLoS Genetics reveals the mechanism by which a selfish gene in yeast, wtf4, enables its function using a poison-antidote strategy. This strategy involves the production of poison protein that can kill spores, but is countered by an antidote protein produced only by those spores that inherit the drive allele.
A study found that genetic variants near ERAP2 and TICAM2 provided protection against Yersinia pestis, the bacterium responsible for the Black Death. These variants were also associated with improved detection and resistance to other pathogens, but at a cost: increased risk of autoimmune disorders like Crohn's disease.