Articles tagged with Cell Migration
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A study published in Nature Physics reveals that specialized cell movement may explain the progression of cancer and cystic fibrosis. Cells with ruffled edges sense viscosity and adapt to increase their speed, moving faster through mucus than blood. This discovery sheds light on disease mechanisms and potential treatments.
Researchers have uncovered how tissue stiffness determines cell positioning and regulates cell migration in various types of cancer, including brain tumors and breast cancer. The study provides new possibilities for stopping and directing cancer cell migration.
Researchers found that cancer cells can move faster and in a specific direction when placed in an environment with optimal stiffness, which challenges previous assumptions. This discovery could lead to new treatments by understanding how cancer cells invade tissues.
Researchers have discovered a key protein regulating pancreatic cancer cell growth and spread, which can be manipulated to reverse the process. Boosting levels of GREM1 has been shown to turn back aggressive tumours, making them easier to treat.
Researchers found that suppressing an enzyme called MSRA, which fixes oxidative damage to proteins, sparks the metastatic spread of pancreatic cancer cells. The discovery suggests that similar switches may exist in other cancers and lays the groundwork for redox-based targeted therapies.
Researchers led by Atsuo Sasaki aim to identify mechanisms behind cell movement and energy allocation in cancer cells, with potential applications beyond cancer treatment. They will use scanning ion-conductance microscopy and machine learning technology to study the role of GTP in cellular migration.
Researchers at TU Wien develop a method to guide individual cells with laser precision, enabling reproducible production of artificial tissue and testing new drugs without animal testing. The technique involves adding special molecules to hydrogel surrounding cells, which become softer and more permeable when activated by a laser beam.
Researchers have developed a process to convert non-neuronal cells into functioning neurons that can take up residence in the brain and restore capacities undermined by Parkinson's destruction of dopaminergic cells. In a proof-of-concept study, one group of experimentally engineered cells performs optimally in terms of survival, growth...
A study found a connection between learning and memory deficits in children with Joubert Syndrome and defects in the hippocampus. The researchers used animal models to create a genetic mutation that mimicked the human disease, revealing key findings about the role of primary cilia in brain development.
Researchers found phosphatidylinositol bisphosphate (PIP2) essential for epithelial cell-cell adhesion and maintaining cellular identity. PIP2 regulates epithelial properties by recruiting Par3 to the plasma membrane, facilitating the formation of adherens junctions and preventing epithelial-mesenchymal transformation.
A team from the Terasaki Institute for Biomedical Innovation has created a method to repair tendons using silk fibroin scaffolds, which showed improved healing and regeneration of injured tendons. The scaffold combines silk fibroin with GelMA to promote cell attachment, growth, and differentiation.
Researchers discovered that sialylation of the epidermal growth factor receptor modulates cell mechanics and enhances cancer cell invasion. ST6Gal-I, an enzyme that adds sialic acid to EGFR, plays a key role in tumor progression and metastasis.
A team of biologists identified a protein involved in the spread of breast cancer to bones. The discovery confirms the importance of cellular plasticity during the metastatic process and could lead to new treatments. ZEB1, a protein that increases cell plasticity, was found to direct cells with metastatic characteristics to bones.
A novel inhibitor has been discovered that stalls a critical enzyme inside tumour cells, locking them in place and preventing invasion into healthy tissue. The findings hold promise for the development of metastasis-blocking agents.
Scientists at Johns Hopkins Medicine have successfully cultivated human muscle stem cells capable of renewing themselves and repairing muscle tissue damage in mice. The self-renewing stem cells were created by reprogramming laboratory-grown human skin cells, which then differentiated into specific cell types using a nutrient-rich broth.
Researchers at Terasaki Institute for Biomedical Innovation have developed a flexible, antibacterial conductive hydrogel-ePatch that accelerates wound healing with minimal side effects. The e-Patch uses silver nanowires and alginate to promote cell proliferation and migration, resulting in faster wound closure and reduced scarring.
Researchers found that APC gene mutations in colon cancer patients disrupt T lymphocyte migration to tumors, making it harder for the immune system to combat cancer. The study provides new insights into the mechanisms of antitumor immune defense.
Researchers have found that treating prostate cancer cells with novel CDK8 and CDK19 inhibitors reduces their potential to migrate into surrounding structures. This suggests a promising approach to overcome resistance against anti-androgenic therapy, offering new therapeutic options for patients with advanced disease.
Researchers at TU Wien have developed a new approach to produce artificial tissue using micro-scaffolds with a diameter of less than a third of a millimetre. These scaffolds can accommodate thousands of cells and enable high cell density and control over mechanical properties.
Researchers develop innovative non-contact agitation technology to assess motility and invasive capacity of cancer cells in tissue sections. The study reveals significant increases in Rac/Cdc42 activity in tumor areas, with stronger correlations found in advanced cancer stages.
A new phenomenon was discovered where increased pressure leads to a sudden burst of rapid and coordinated cellular motion, spraying outwards from the tumour. This fluid-like pushing mechanism can kill cancer cells but also enables them to survive and multiply in new environments.
Researchers identify two genes, GLI1 and Notch1, responsible for aggressive growth and spread of triple negative breast cancers in African American women. A combination approach using inhibitors and chemotherapy agents significantly inhibits tumor growth and metastasis.
Researchers at UNIGE find that near-death experience in primary tumors triggers pro-metastatic states in cells, leading to metastasis. These 'PAME' cells reprogram themselves and trigger a cytokine storm, forming new tumors.
A study published in eLife reveals that cancer cells undergoing confined migration become more resistant to anoikis and exhibit increased invasiveness. This process may boost survival in cancer cells and make them more prone to forming deadly metastases.
Scientists from the Institute of Industrial Science have developed a theoretical model for optimal search strategy in biological systems, which may help design new drones or nanobots. The model uses stochastic optimal control theory to analyze chemotaxis, a process of attraction to chemical gradients.
Researchers have discovered that p53 protein activates a molecular program turning damaged cells into migratory leader cells for quick epithelial repair. Once repaired, these highly migratory cells are eliminated to restore normal epithelial tissue structure.
Researchers use environmental DNA to monitor aquatic species near hydropower facilities, while also developing a novel method for printing full-strength steel components using additive manufacturing. These advancements could lead to more efficient and cost-effective monitoring and renewable energy production.
Researchers at University College London discovered that embryonic cells can navigate towards harder regions using chemical and mechanical signals, guiding the formation of facial features. This breakthrough could help prevent birth defects and infant mortality by improving understanding of cell migration mechanisms.
A recent review article describes a class of viruses known as oncolytic viruses, which have the remarkable ability to target and destroy cancer cells. Researchers are exploring these viruses for cancer therapy, with some showing promising results in stimulating an immune response against cancer.
Cancer cells can change their shape and migration techniques to invade different types of tissue, a process that plays a huge role in prognosis. The study found that cells switch between migration programs more often than thought, allowing them to adapt to heterogeneous environments.
Researchers discovered cells can regulate neighboring cell stiffness to facilitate movement, a finding that could aid in understanding developmental disorders and cancer metastasis. This novel mechanism may provide a strategy for slowing or preventing cancer spread by altering tissue stiffness.
A team of researchers from Japan has developed a platform using nanofibers to capture and control the migration of brain tumor cells, including glioblastoma multiforme. The study found that varying fiber densities can slow or speed up cell movement, leading to the creation of 'cell traps' that can restrict tumor cell growth.
Researchers found that aggressive triple-negative breast cancer cells use swiprosin-1 to hijack a cellular conveyor belt, increasing integrin circulation and cell migration. High swiprosin-1 expression correlates with metastasis formation and malignancy in breast cancer.
Researchers have discovered the molecular mechanisms behind stem cell rolling in blood vessels, a complex process that slows down cells using long tethers. The findings offer new insights into improving stem cell transplantations and developing treatments for metastasizing cancers.
Actin filaments generate pushing forces to move the cell membrane. The capping protein regulates filament growth, promoting branching near the membrane through the Arp2/3 complex. A high-resolution structure reveals that capping protein blocks nucleation-promoting factors via a tiny 'tentacle' extension.
Researchers at Nanyang Technological University have developed a 3D model of the human artery blood vessel wall to study atherosclerosis. The model, called an 'arterial wall-on-a-chip', helps understand how cholesterol and inflammatory cells contribute to the disease.
Scientists at Princeton University have created a novel approach to directing skin cells using an electrical field. By breaking molecular connections between cells and applying an electric field, researchers were able to improve the controllability of tissues and potentially optimize wound healing through electrical stimulation.
Scientists create a cell culture system where blood vessels can grow within a framework made of synthetic materials. The team investigates material properties that promote blood vessel formation and refines the model to improve its performance, paving the way for growing implantable tissues.
Researchers from Nara Institute of Science and Technology developed a machine learning program that accurately predicts the location of proteins related to actin in cells. The program achieved a high degree of similarity with actual images, showing promise for future applications in cell analysis and artificial cell staining.
Researchers have discovered that increased levels of protein Tumour Protein D54 can increase and decrease the movement of cancer cells, suggesting its potential role in tumour spread. The study found that reducing or increasing this protein's expression affects cell migration, with higher levels leading to more metastasis.
Researchers at Osaka University identified a molecular mechanism governing immune cell motility, involving the lysosomal Ragulator complex. This process enables immune cells to migrate and elicit an immune response, with implications for treating autoimmune disorders and cancer.
Researchers developed a machine learning technique that measures topological traits of cell clusters, accurately categorizing them and inferring cellular behavior. The algorithm uses persistent homology to examine microscope images and identifies persistent topological objects that can be used to classify cells.
A recent study found that inhibiting key enzyme GSK3-beta with varying doses of CHIR 99021 promotes or constrains brain cell growth in minibrains, shedding light on its role in natural brain development. Low doses enhance proliferation and migration, while high doses limit growth and neuronal differentiation.
Researchers discovered that cells can migrate robustly on soft, viscoelastic substrates, using thin filopodia and molecular clutches to drive movement. This finding challenges traditional views of cell migration and highlights the importance of material properties in cellular behavior.
A new molecular pathway discovered in fruit flies helps steer moving cells towards specific destinations, which may drive cancer cells to metastasize. The pathway involves a series of proteins and enzymes that work together to control cell movement, offering potential targets for interrupting cancer cell spread.
Cells migrating along networks of fibers exhibit different behavior than in a flat environment, with increased speed and altered interactions when encountering other cells or dividing. This study provides new understanding into cellular behavior and its relevance to drug delivery and wound healing.
Researchers studied cell interactions in a microscopic 'cell collider' and found that normal cells repel each other's protrusions, while cancer cells try to squeeze past each other. The study suggests new approaches for understanding cancer cell behavior and identifying molecular bases for these differences.
Researchers at University of Helsinki discovered a molecular mechanism that promotes cell migration by recycling actin filaments. Twinfilin efficiently removes Capping Protein from filament plus-ends, leading to depolymerization and slower cell migration in its absence.
Researchers at UTMB successfully tested a bioengineered exosome delivery system that slows the migration of fetal immune cells and delays pre-term labor. The study's findings have significant implications for reducing pre-term birth rates and treating underlying causes of inflammation in fetuses.
Researchers have discovered a new pathway for intercellular exchange of large cell structures, enabling genetic material to be transferred between plants. This process allows for the creation of new plant species and has implications for crops like bread and durum wheat.
A team of biologists and mathematicians developed a new software tool to analyze cell migration processes in zebrafish embryos. The study identified physical barriers that influence cell migration and found a tissue-specific expression of green fluorescent protein, which serves as a reference structure for image registration.
Researchers discovered SETD2 modifies actin cytoskeleton, regulating cell migration and autophagy. Defects in SETD2 lead to impaired delivery of chromosomes and separation of daughter cells during cell division.
Researchers have developed a new method to visualize protein complexes in their natural environment, revealing the structure of the Arp2/3 complex and its role in cell motility. The study provides insights into the regulation and activity of this important protein complex, which could lead to better understanding of disease mechanisms.
Researchers developed a method to predict therapeutic efficacy of stem cell treatment for vascular diseases based on initial distribution and migration of transplanted cells. The method enabled predicting superior therapeutic efficacy when treatment cells form into condensed 'round shape' during initial treatment.
Researchers studied fruit fly ovaries to understand cellular motion, discovering that tissue geometry creates a path of least resistance. The team found that cells choose central paths despite multiple side paths available, and this choice is influenced by the physical space, not just chemical signals.
Researchers discovered that actin filaments serve as tiny stretchy tension sensors in cells, transmitting mechanical signals to other proteins. The findings have significant implications for understanding how cells mechanically control movement, including cardiac cell contraction and motile cell migration.
During annual migration, bats selectively suppress cellular immune responses and favour non-cellular humoral immunity to conserve energy. This strategy helps them survive the strenuous journeys of up to 2,000 km.
Researchers observed cells moving through small channels to understand cell migration in 3D environments. The findings suggest that cancer cells may penetrate tissues and be blocked within small capillaries, potentially allowing them to metastasize.
Researchers have discovered that human white blood cells use a new mechanism called molecular paddling to swim and migrate through fluids without changing shape. This discovery sheds light on the mechanisms of cell migration, which could impact our understanding of immune responses and cancer research.
A new study reveals a previously unknown protein called STEEP that plays a crucial role in the migration of STING protein within immune cells. This discovery provides valuable knowledge about how infectious diseases affect the immune system and could lead to new principles for understanding immune function.