Articles tagged with Cell Growth
Researchers from the University of Tsukuba found that flame sterilization introduces carbon dioxide into shake flasks, significantly affecting cell growth. Excess CO2 concentrations increased by up to 70% in certain microbes, while others showed minimal impact.
Pollen tubes grow up to three millimeters a day, guided by an electrical circuit powered by proton pumps. The discovery may hold valuable insights into human nerve cell growth and recovery from nerve damage.
Researchers have discovered how carboxysomes work and can be accurately measured, leading to potential breakthroughs in renewable fuels production and plant growth. The study also reveals a possible route to developing novel antibiotics targeting bacterial microcompartments.
Researchers have identified interleukin-4 as a key player in promoting harmful blood-vessel growth in age-related macular degeneration. Elevated levels of the protein were found in patients with AMD and mice with an AMD-like condition, highlighting its potential role as a target for new treatments.
Researchers at Michigan Medicine and Case Comprehensive Cancer Center identified the binding site where drug compounds can activate a key braking mechanism against cancer. This discovery paves the way for developing new anti-cancer drugs that enhance tumor suppressor proteins.
Researchers observe the atomic growth way of Pt3Ni-Ni(OH)2 core-shell structure at gas-liquid interface using in-situ liquid cell TEM. Experiment results reveal underlying growth and transformation mechanisms, shedding light on rational design of metal-2D core-shell structures.
Scientists create new scaffolds for joint tissue regeneration using a one-step process, successfully promoting healthy cartilage growth in human cells and mice. The technique overcomes limitations of existing methods, offering potential applications for drug delivery, diagnosis, and surface modification.
Researchers found that increased lysosome numbers lead to hyperactivation of mTOR, stimulating abnormal cell growth. The study identified Rap1 as a regulator of lysosomal network organization and lysosome number, highlighting the central role of lysosomes in cancer progression.
Researchers at the NIH have successfully stopped tumor growth and blood vessel formation in mice by targeting enzymes that recycle phosphatidylinositol-(4,5)-bisphosphate. By blocking these enzymes, tumors were unable to replenish the molecule needed for new blood vessel growth, ultimately reducing tumor size and growth.
Researchers found a method to promote cancer cell growth using silica-coated gold nanorods exposed to near infrared light, with a 36.13% higher growth rate than normal incubator conditions. The heat shock proteins induced by the nano heat islands helped protein folding and cell survival.
Researchers discovered 46 drugs that block bacterial competence, preventing the spread of antibiotic resistance in mice and human lung cells. These 'anti-evolution drugs' could be combined with antibiotics to extend their lifespan.
Researchers at the University of Basel have discovered that chromosomes reorganize into a barbell-like structure during early embryonic development in nematodes. This arrangement is crucial for cell maturation and prevents developmental disorders.
Researchers identified pectin nanofilaments aligned in columns along the edge of plant cell walls, which actively drive cell shape and growth independent of turgor pressure. The filaments trigger swelling and buckling of the cell wall, leading to the formation of unusual wavy-shaped cells.
A new study reveals that pectin filaments in plant cell walls drive morphological changes by swelling, contradicting current theories on turgor pressure. This discovery could lead to the development of smart materials mimicking plant cell expansion.
Researchers at IRB Barcelona discovered that Dpp and Wg morphogens stimulate growth through independent pathways, regulating organ proportions. The findings have significant implications for understanding malformations and congenital diseases in humans.
Researchers used mathematical models to discover that leaking metabolites can provide both selfish and selfless benefits for cells. Leaking allows cells to enhance their growth by making internal chemical reactions more efficient, but it also enables a mutually beneficial exchange of nutrients with other cell types.
Researchers have designed efficient polymers to prevent ice growth and damage cells during cryo-storage. The study identifies key factors controlling the binding of flexible polymers to ice, paving the way for de novo design of more potent inhibitors.
Researchers have solved the mystery of marine nitrogen cycling, discovering that abundant nitrite oxidizing bacteria, Nitrospinae, are more active and efficient than previously thought. This reveals a key to their low abundance despite being crucial in the process.
A new biochemical switch involved in M2 macrophage polarization and proliferation has been identified, which can be targeted to inhibit cancer growth. The discovery was made by a research team from the University of Vienna and could lead to novel therapies against systemic diseases and cancer.
A recent study reveals that the herringbone pattern in plant cell walls, created by alternating angles of cellulose layers and a protein called CSI1, is critical for cell growth. This discovery challenges existing theories about cell growth and has implications for biofuels research.
Researchers have discovered a link between a metabolic system in yeast and mammals that regulates cell growth and proliferation. The study found that cancer cells can override sensing systems to maintain uncontrolled proliferation, but disrupting this mechanism can suppress cell growth.
Researchers reveal a key role for astrocytes in facilitating inhibitory neuron growth into the lateral geniculate nucleus during early brain development. Without retinal inputs, astrocyte function is disrupted, leading to the absence of inhibitory interneurons.
A team of scientists has identified a network of interaction partners for the juxtamembrane segment of the EGF receptor, which can influence cell growth and development. This breakthrough may lead to new therapeutic approaches for cancers that have become resistant to current active ingredients.
A new method to study lithium dendrites was developed using an environmental transmission electron microscope (ETEM) in a carbon dioxide atmosphere. The team successfully grew and observed needle-like structures that can short out batteries and cause fires, providing insights into ways to prevent their appearance.
A compound in green tea has been shown to inhibit the growth of tuberculosis-causing bacteria by disrupting energy production. The discovery could lead to the development of new drugs to combat multi-drug resistant TB.
Researchers at NREL successfully integrated aluminum into their HVPE reactor and demonstrated the growth of semiconductors aluminum indium phosphide (AlInP) and aluminum gallium indium phosphide (AlGaInP). This breakthrough could lead to cheaper solar cells with comparable efficiency to MOVPE-grown ones.
A team of scientists discovered an archaeon that can efficiently colonize and utilize meteorite material, suggesting that extraterrestrial compounds may have played a crucial role in the evolution of life on Earth. This finding provides valuable information about the potential for life beyond our planet.
Researchers found that dichloroacetate treatment lowered lactate production and stopped abnormal cell growth in women with endometriosis. The study suggests a new non-hormonal treatment option for the condition, which affects millions of women worldwide.
Researchers created Escherichia coli strains that convert CO2 into biomass, overcoming a major challenge in sustainable production of food and fuels. The study demonstrates the feasibility of transforming a heterotrophic organism into an autotroph using metabolic rewiring and adaptive laboratory evolution.
Researchers found that CD95 activation triggers apoptosis in individual cells, but stimulates growth in clusters of cancer cells. The study suggests new ways to transform growth-stimulating signals into cell death signals for cancer cells.
A new method called VarID quantifies gene expression variability across groups of similar or related cell states, revealing the dynamics of biological noise during cell differentiation. This approach may help understand how gene expression noise regulates development and cell fate decisions.
Researchers discovered that enhancing RNA sensor activities can inhibit Mtb growth and increase production of interferon and IFITM3, key elements of the immune response against tuberculosis. A repurposed antiparasitic drug called nitazoxanide may complement traditional regimens by boosting host defenses.
Researchers from UNC School of Medicine and Stanford University found that crotonyl marks on histones help cells adapt to low-nutrient conditions by repressing growth genes. This mechanism may be a future target for cancer therapy, as proteins similar to the identified yeast protein are often disrupted in cancers.
A team of Tufts University-led researchers found that adding the iron-carrying protein myoglobin improves the growth, texture and color of bovine muscle grown from cells in culture. Myoglobin was also shown to promote cell proliferation and differentiation, leading to a rich meat-like color.
Researchers at TU Wien have developed a new bioprinting process that integrates living cells into fine structures created in a 3D printer, achieving high resolution and speed. This technique allows for the control of cell behavior and growth, enabling studies on tissue development and disease spread.
Researchers discover that abnormally small epithelial cells can dissociate from each other, leading to geometric effects on tissue packing. The study provides insights into the role of cell size variation in human disease progression, particularly in tumorigenesis.
The National Institutes of Health has granted $2.23 million in funding to develop statistical and computational methods for genome-wide CRISPR/Cas9 screening. The goal is to improve functional gene identification, analyze non-coding elements, and study genetic interactions, with potential applications in cancer research.
Researchers at Ludwig-Maximilians-Universität München use computer simulations to study the invasion of epithelial cells and bacterial biofilms into confined microspaces. They discover three distinct modes of invasion based on the level of motile activity, which can lead to clusters of cells detaching and 'worming' through narrow gaps.
Researchers found that plants use the same transcription factor to regulate growth and defense, but require different levels of reactive oxygen species (ROS) for each process. This incompatibility leads to a trade-off between growth and defense, with implications for plant biomass production and disease resistance.
A University of Arizona research team discovered complex biochemical circuits in cells that follow control theory principles, controlling growth in response to nutrient availability. The study found that the TOR and PKA pathways work together like a thermostat, with one pathway speeding up response and the other maintaining stability.
Researchers from Northwestern University have developed a new predictive model for growth that challenges traditional models of product adoption. The study found that substitutive products exhibit power law growths, which are slower than exponential after an initial flash of excitement.
Scientists use Coherent Hard X-ray Scattering to study thin film growth, producing a 'movie' that depicts the process more accurately than traditional techniques. The research could improve the performance of organic solar cells and provide insights into the quality of films.
A new drug delivery system using curcumin from turmeric inhibits osteosarcoma cell growth by 96% and promotes healthy bone cell growth, offering a gentler treatment option for young patients with bone cancer.
Research comparing American, Pacific, and Southeast Asian Zika virus strains found that the American subtype has the highest ability to grow in vitro and in vivo. The strain also caused more testis damage in infected mice, highlighting potential concerns about its pathogenicity.
Researchers identify three patterns of CLL growth: exponential, logistic, and indeterminate, with the former often driven by a high number of genetic alterations. The study provides insights into the molecular mechanisms underlying these differences, potentially enabling prediction of disease course.
Researchers from the Max Planck Institute for Plant Breeding Research have identified two regulatory genes that control the development of leaf shapes in thale cress. By switching these genes on at specific times and locations, scientists were able to create complex leaves in a related plant species.
A new study reveals that the transcription factor KNUCKLES plays a crucial role in terminating floral stem cell activity by initiating epigenetic events. This process involves the suppression of WUSCHEL gene expression, leading to the recruitment of Polycomb Group complexes and the formation of repressive H3K27me3 marks on chromatin.
Cancer cells' acquired resistance to anti-cancer drugs can be exploited as an Achilles heel, according to research that shows removing a MEK1/2 inhibitor drug causes reversal of drug resistance in colon cancer cell populations. This finding may inform decisions about intermittent use rather than continuous exposure.
Researchers at MUSC have identified a critical lipid-binding pocket on the SET protein that can be targeted with rational drug design to develop better cancer therapeutics. Fingolimod and other FDA-approved drugs bind this pocket, restoring PP2A's growth-suppressive function and killing cancer cells.
Researchers at MUSC discovered that silencing the gene Ccdc117 impedes rapid growth of precursor cells, leading to abnormal heart development. Exercise and improved nutrition may lessen the likelihood of heart malformations in fetuses.
Researchers discovered that transcription factors ANAC044 and ANAC085 control plant cell cycle arrest in response to DNA damage and abiotic stress. These proteins act as a bridge between SOG1 and Rep-MYB, preventing cell proliferation under hostile conditions.
Researchers have discovered a novel gene expression pathway triggered by auxin accumulation at the inner bend of seedling, leading to growth inhibition rather than stimulation. This finding helps explain the formation of apical hooks that aid seedlings in breaking through the soil.
Researchers developed a comprehensive map of cell developmental dynamics using AI, enabling the evaluation of computational biology methods. The study highlights outstanding challenges and pioneers new ways to assess trajectory inference methods, leading to improved disease understanding.
Researchers from VIB have developed a map to model cellular dynamics, highlighting outstanding challenges and pioneering new ways of evaluating computational biology methods. This breakthrough enables the study of individual cell trajectories, revealing complex structures such as cell development in diseases.
A new 3D printing method enables the creation of fine-scale mesh structures that allow for precise control over a cell's microenvironment. This could lead to highly uniform cultures of cells with desired properties, making it a promising tool for biomedical research and potential medical applications.
Researchers at Penn State and the University of Alabama developed a technique to spin starch fibers using Lego pieces, creating potential scaffolds for lab-grown 'clean' meat. The starch fiber mats have been optimized for better alignment and strength, making them suitable for biomedical applications.
A University of Pennsylvania post-doc's new theory describes how factors regulating individual cell size influence the growth rate of entire bacterial populations. The model predicts oscillations in growth rates, providing a new mathematical framework for studying population dynamics.
Researchers found that a stem niche in the growth plate produces infinite numbers of cells, changing the concept of growth and potential treatment methods. The discovery may explain cases of unconstrained growth and provide new approaches to treating children with growth disorders.
Researchers at the University of Colorado Boulder studied Burmese pythons' rapid heart growth in response to fasting and feeding, which could aid humans with diseased heart growth. The study reveals ways to isolate python heart cells, allowing for a better understanding of their mechanics and potential applications in human heart health.
A study published in Nature reveals that bone growth in mice follows the same principles as cell production in blood and other tissues. The discovery suggests that bone growth may be more dynamic than previously thought, with cells generated from a stem-cell like progenitor cell.