Articles tagged with Cells
The "HippoBox" project aims to investigate neuroplastic changes in the hippocampus using brain organoids in real weightlessness. The research could provide new insights into cognitive health of space travelers and potential treatments for depression and dementia.
A major new textbook on autophagy is now available, encapsulating over 30 years of research in this growing field. The book, titled Autophagy – From Molecular Mechanisms to Flux Control in Health and Disease, aims to make the learning process easier for students and scientists alike.
A study from The University of Tokyo predicts HSC quality based on real-time cellular behavior using advanced imaging technology and machine learning. The researchers discovered previously hidden diversity within HSC populations and found that kinetic features could predict the expression levels of a key gene related to 'stemness'.
Researchers have discovered a key role of centrosomes in signaling cells to proliferate despite DNA damage, enabling cancer resistance. The study suggests targeting Polo-like kinase 1 could prevent adaptation to therapy-induced DNA damage and drug resistance.
A new approach by MIT researchers allows scientists to efficiently estimate how combinations of treatments will affect a group, enabling fewer costly experiments while gathering more accurate data. The framework considers the scenario where all treatments are assigned in parallel and controls the outcome by adjusting treatment rates.
Researchers found that telomerase inactivation in immune cells or connective tissue cells slows tumor growth, but creates conditions for aggressiveness. In contrast, endothelial cell preservation suppresses metastasis.
A new cell type has been identified in Burmese pythons that produces large particles made from calcium, phosphorus, and iron to digest bones. This specialized cell type helps limit excessive calcium absorption and is found in multiple python and boa species as well as the Gila monster.
Researchers found that inhibitory neurons born later in brain development mature faster than those produced earlier, ensuring a balanced neural network. This regulation is controlled by genetic mechanisms and may contribute to developmental disorders.
Researchers at Lund University are advancing knowledge about lipid nanoparticles, which could guide them to the right destination within cells. The technique has potential for treating cancer, genetic disorders, and neurological conditions.
Researchers at the University of Konstanz and Queen Mary University of London have made a significant breakthrough in artificial blood production by identifying the molecular signal CXCL12 that triggers the expulsion of the nucleus in red blood cells. This finding could lead to more efficient artificial blood production and has far-rea...
A novel fluorescent probe, SLY, has been developed to precisely identify hepatocellular carcinoma tissue using sialylated glycans on the cell surface. The probe outperforms conventional methods by clearly distinguishing tumor margins within liver tissues.
Scientists have developed a new tool named scICE to tackle the stability problem in single-cell RNA sequencing data. The tool provides a way to validate clustering outcomes mathematically, ensuring higher confidence in conclusions drawn from single-cell data.
Researchers have identified a gene signature indicative of hepatic ferroptosis using an iron overload-induced mouse model and validated it in human liver injury systems. The study highlights the role of ferroptosis in liver injuries and offers potential therapeutic targets.
The Arc Institute has launched its inaugural Virtual Cell Challenge, a public competition using AI to solve one of biology's biggest challenges. Competitors will train models on gene expression data from over half a billion cells and predict changes in gene activity when individual genes are silenced.
A six-year study reveals betaine's role in orchestrating body-wide geroprotective signals, countering aging through inflammation regulation and immune system rejuvenation. Betaine supplementation replicates exercise benefits, including alleviating cellular aging and slashing inflammation systemically.
Researchers have identified a previously unknown organelle called the hemifusome that plays a crucial role in cellular sorting and recycling. This discovery could lead to targeted treatments for complex genetic disorders like Hermansky-Pudlak syndrome, which affects multiple systems in the body.
Researchers at Johns Hopkins Medicine have made a breakthrough in developing a gene therapy that can permanently put HIV into a dormant state. The therapy uses human immune system cells and amplifies a molecule within HIV that induces long-term dormancy.
Researchers have made a breakthrough in the fight against aging by reprogramming human stem cells to resist aging and stress. In a 44-week experiment on elderly macaques, they found that the engineered cells reversed multiple signs of aging, including cognitive function, tissue damage, and age-related degenerative conditions.
The histone modification H3K4me3 is crucial for chromosome and spindle stabilization, normal oocyte development, and embryonic competence. Removing H3K4me3 leads to destabilized spindles, impaired embryonic development, and decreased fertility.
Researchers at City of Hope have made significant progress in understanding the role of paxillin in cellular signaling networks, providing new insights into potential cancer treatments. The study reveals that disrupting the interaction between paxillin and focal adhesion proteins could be a viable target for therapy.
Researchers found that eukaryotes could survive in shallow pools of water atop ice sheets, similar to modern-day meltwater ponds in Antarctica. These environments supported diverse communities of early complex life, influenced by salinity levels.
Researchers discovered a new tumor-suppressive response targeting RNA Polymerase 1, inhibiting cancer cell growth and enhancing responsiveness to immunotherapies. The Pol 1 inhibitor BOB-42 reduced tumor growth by up to 77% in melanoma and colorectal cancers.
Researchers discovered dynamic cells coordinate movements to sculpt living tissue in developing fruit flies, highlighting a powerful role of migrating cells in organ formation. This finding suggests similar systems may shape different organs, including the brain and testis.
Researchers found that cytotoxic NK cells can prevent T cells from attacking tumors in patients resistant to immune checkpoint blockade therapies. Targeting these cells could lead to more effective immunotherapy.
A comprehensive cost-effectiveness analysis of perovskite solar cells offers insights into their potential to outperform crystalline silicon ones. The study highlights the need for improvements in efficiency, yield, and stability, as well as reduced materials and equipment costs.
Researchers developed a systems approach to measuring organelle changes in living cells as they grow. The study found that certain organelles grow faster than others and that the vacuole plays a key role in buffering the cell against randomness.
Researchers found that brain's dopamine neurons encode a map of possible future rewards across time and magnitude, guiding adaptive behavior in uncertain environments. This biological insight aligns with recent advances in AI, particularly distributional RL algorithms, which learn from reward distributions rather than averages.
Researchers developed an advanced single-cell sorting platform that dramatically shortens the screening process for identifying high-value microbial strains. The technology enabled the isolation of a mutant strain producing 58% more DHA than the wild type in just two days.
Researchers at CNIC uncover how the heart forms during earliest embryonic development, shedding light on congenital heart defects and regenerative medicine. The heart originates from two separate cell populations that coordinate their formation simultaneously.
A high-fat diet leads to metabolic enzyme dysregulation, insulin resistance, and accumulation of reactive oxygen species in cells. Reversing these effects with antioxidants can mitigate damage.
A new AI tool developed by University of Missouri researchers can predict the 3D shape of chromosomes inside individual cells, providing a new view of how genes work. The tool helps identify unique differences in chromosome folding between cells, which controls gene activity and can lead to diseases like cancer.
Dr. Cara Boutte is studying how certain bacteria grow by building their cell walls, which could lead to more effective antibiotics. Understanding this growth pattern could help scientists develop targeted and effective treatments for infections like tuberculosis.
MIT researchers developed a new hypothesis for how astrocytes contribute to memory storage, proposing that they encode memories through gradual changes in calcium flow patterns. This information is conveyed to neurons via gliotransmitters released at synapses connected to astrocyte processes.
Researchers identify five distinct immunotypes in tongue squamous cell carcinoma, shedding light on why current immunotherapies fail. The study's findings highlight the need for immune-based assessments to guide treatment decisions and suggest a new approach to personalized medicine.
Researchers developed a new imaging technique that uses artificial intelligence and high-speed microscopy to track platelet behavior in real-time. The study shows promise for personalizing heart disease treatment by monitoring clotting risk in patients with coronary artery disease.
The study resolved two cryo-EM structures of the Nipah virus L protein in complex with the P protein, revealing well-defined RdRp and PRNTase domains. The P protein formed a tetrameric bundle interacting with the L protein via hydrophobic interactions and zinc-binding sites essential for polymerase activity.
Researchers at the University of Würzburg have developed a new, efficient method for recording gene activity in bacteria. The MATQ-seq protocol achieves a high cell retention rate of 95% and detects the activity of 300 to 600 genes per bacterial cell.
Researchers at Pennington Biomedical found that mitochondrial fragmentation can bypass defects in mitophagy to sustain skeletal muscle quality control in patients with Type 2 Diabetes. This adaptation helps maintain mitochondrial function despite impaired mitophagy.
Researchers discovered compromised NAD+ metabolism in WS cells and found that boosting NAD+ levels using nicotinamide riboside decreased senescence in both stem cells and primary fibroblasts. The study suggests targeting NAD+ metabolism for age-related and genetic diseases.
Researchers found that new strains of Cutibacterium acnes, a species believed to contribute to acne development, are acquired during the early teenage years. This transitional stage could be the best window for introducing probiotic strains of C. acnes to prevent acne.
Scientists have created a detailed map of U2OS cells, revealing previously unknown protein functions and assemblies. The study will help researchers understand how mutated proteins contribute to childhood cancers and provide a blueprint for mapping other cell types.
A team of scientists has developed a new ultrasound technique called nonlinear sound sheet microscopy that images specifically labelled cells in 3D with ultrasound. This method allows for non-invasive imaging of whole organs and provides information about how cells behave in their natural environment.
Researchers at City of Hope discovered that mutated cells can persist for years without becoming cancer and require an additional inflammatory push for malignancy to occur. Chronic inflammation is a key trigger for tumor formation, making it essential to avoid situations like high-fat diets and obesity.
A team of Rutgers researchers captures images of living plant cells synthesizing cellulose and forming complex networks on the outer cell surface. The discovery reveals a dynamic process that may lead to more robust plants for increased food production and lower-cost biofuels.
This cohort study found that geographic access to cancer care is associated with guideline-recommended treatment for early-stage non–small cell lung cancer. Socially marginalized patients benefited from improved treatment outcomes and prognosis when accessing care in their local area.
Researchers developed uPEn to enhance genome stability and repair efficiency, achieving efficient Kozak motif insertion and precise modifications in mouse and sheep zygotes. The platform showed potential for complex genetic modifications, disease modeling, and gene therapy applications.
Researchers developed oncomicrobial vaccines targeting C. jejuni and ETBF, which reduced tumor development and inflammation in mice models. The vaccines elicited strong immune responses while minimizing disruption to gut microbiota composition.
A novel method using sodium salts of FAs, ethanol, and ultrasonication creates stable FA micelles with no degradation of FAs during preparation. This approach preserves the integrity of FAs and is applicable to a wide range of fatty acids.
The study reveals the molecular mechanisms underlying endothelial-to-osteoblast conversion, promoting osteoblast differentiation and influencing Runx2 expression. The Kindlin-2/Piezo1/TGFβ/Runx2 pathway contributes to bone tissue homeostasis and may have implications for treating bone diseases like osteoporosis.
Researchers at Johannes Gutenberg University Mainz have discovered that histone deacetylase 8 (HDCA8) inhibits the conversion of Schwann cells into their repair phenotype, slowing down peripheral nervous system recovery. Removing HDAC8 accelerates regeneration and restores sensory function.
A recent study found that polyester microdroplets can form in salt-rich environments, at low alpha-hydroxy acid concentrations, and in small reaction volumes. This expands on previous research and suggests that polyester protocells were likely more common on early Earth than previously thought.
A study reveals that cells in the neural crest, which forms bones and nervous system tissues, use internal electric fields to migrate. This process, known as electrotaxis, is guided by an enzyme called voltage-sensitive phosphatase 1 (Vsp1), which converts electrical signals into directional cues.
MIT researchers developed a biosensing technique that eliminates the need for wires, using tiny wireless antennas with light detection to measure electrical signals from cells. The devices can capture scattered light with an optical microscope and measure signals with micrometer spatial resolution.
Researchers at the University of Ottawa have developed a nanoparticle strategy to deliver both mRNA and siRNA, enhancing and interfering with multiple gene and protein expressions. This approach holds significant promise for treating major diseases like cancer and cardiovascular diseases.
A new study by MIT engineers reveals that exercise can stimulate nerve growth, with neurons growing four times farther in the presence of myokines released during muscle contractions. Physical effects of exercise, such as repeated stretching and pulling, also promote nerve growth, challenging previous biochemical-only theories.
A team of researchers at the University of California San Diego has identified a key pathway leading to neurodegeneration in early stages of ALS. The study suggests that targeting this pathway may prevent or slow disease progression, offering new hope for therapies.
MIT researchers developed a theoretical foundation for methods to aggregate genes into related groups, enabling the efficient learning of underlying cause-and-effect relationships. They achieve this using only observational data, potentially paving the way for targeted treatments.
A new study from the University of Texas at Arlington suggests that analyzing RNA in urine can show changes in cell types, revealing early signs of cancer and other diseases. This method could help clinicians detect problems earlier when they are more easily treated without invasive procedures.
Researchers identified a protein that could improve the cardiovascular health of patients with progeria, a rare genetic disorder. The discovery provides promising insights into potential treatments targeting cardiovascular complications in HGPS.
Researchers at São Paulo State University used condensed matter physics concepts to describe protein compartmentalization in cells. The study proposes a cellular Griffiths-like phase that may be linked to the origin of life and the emergence of primordial organisms.