Articles tagged with Cell Adhesion
A team of researchers has developed a computational framework that captures cell interactions and their impact on embryonic tissue dynamics. They found that dynamic forces and tension fluctuations are responsible for the fluid state of tissues during development.
Scientists found that epithelial cells loosen connections at three-cell junctions, allowing yolk proteins to enter egg cells. The process involves the removal of adhesion proteins and mechanical tension in the cytoskeleton.
Scientists from UNIGE discovered that paxillin helps cells perceive their environment and dock at the right place using cellular crampons. Without functional paxillin, cells can't attach properly and slip continuously.
The research team identified vinculin as critical for maintaining the quiescent properties of hair follicle stem cells. Vinculin's loss leads to weak cell-cell junctions and dysregulated YAP1 pathway, causing increased cell proliferation and loss of quiescence.
Researchers demonstrate that nanoscale features of substrates influence cell behavior through adsorbed proteins, which restructure themselves and electrostatically interact with the material. The study sheds light on how biomaterials respond to interfacial layer characteristics.
Researchers discovered that metastatic cancer cells use adhesion and contractility to move away from stiffer tissue, defying the typical durotaxis process. By modulating cell contractility, they can change their ability to migrate in response to environmental stiffness.
Researchers developed a new method to visualize and quantify molecular processes in cells, revealing a ternary adhesion complex essential for cell attachment. The study provides insights into how individual proteins assemble and co-organize to form functional units.
Researchers at Tohoku University found that a protein called Toll-1 plays a key role in regulating cell adhesion and sorting during fruit fly development. This process helps maintain the boundaries between different cell populations and ensures proper tissue formation.
The study reveals that metavinculin modulates mechanical force transduction on the molecular level, potentially resisting high peak forces observed in muscle tissues. Mice lacking metavinculin did not exhibit cardiomyopathy, suggesting a more complex pathophysiological role for the protein.
The study, published in Genes and Development, reveals the role of signaling pathways in regulating cell behavior, including proliferation, death, and migration. The research team identified new signaling outputs that function independently of established FGF signal transduction pathways, particularly in cell adhesion.
Researchers identified key enzyme PPM1F that regulates integrins' detachment from ECM, allowing cells to move in protein meshwork. The discovery sheds light on how cells balance attachment to versus detachment from extracellular matrix.
Researchers find that cell adhesion proteins and a gradient of signaling molecule Sonic Hedgehog work together to create precise sorting of cells into domains. By combining experiments from biophysics, genetics, and developmental biology, the team successfully solves the puzzle of how patterns are created in developing organisms.
Researchers at Harvard Medical School have discovered a key control mechanism that allows cells to self-organize in early embryonic development. By studying the expression of unique combinations of adhesion molecules, the team found that these 'adhesion codes' determine which cells prefer to stay connected and how strongly they do so.
Researchers at KAUST developed a new fluorescent multiplex cell rolling assay (FMCR) to analyze cell adhesion, speeding up the process and enabling analysis of multiple cell types. The technique has applications in studying cellular processes in inflammation or cancer cell metastasis.
A new study aims to enhance cord blood transplant success rates using a small molecule cell adhesion activator. The treatment has shown promise in preclinical studies and may provide a safer alternative to current methods.
Researchers discovered that presynaptic PTPσ trans-synaptically regulates postsynaptic NMDA receptor responses, enabling novelty recognition in mice. Mice lacking PTPσ showed impaired social novelty recognition and failed to recognize new objects, stranger mice, and rules.
A team of researchers has systematically characterized 145 regulatory proteins that control the cytoskeleton's dynamic remodeling process. This comprehensive database reveals a new perspective on how these proteins work together to coordinate processes such as cell division, differentiation, embryonic development, and wound healing.
Researchers found that cell-to-cell contacts are essential for human cells to survive protein-damaging conditions and stress. Impaired cell adhesion may make cancer cells more vulnerable to drug treatment.
A machine learning tool has identified 12 new human proteins carrying functional leucine-aspartic acid (LD) motifs, which play a significant role in cell adhesion and morphogenesis. The researchers also found that LD motif signaling evolved over 800 million years ago, possibly by co-opting ancestral interaction sequences.
Research on NOTCH1 mutations in OSCC reveals tumour suppressive function through ETV7-mediated suppression of SERPINE1. Overexpression of NOTCH1 intracellular domain promotes cell adhesion and differentiation.
Researchers have developed a simple model to understand the biomechanics of Ebola virus-host cell adhesion, which is essential for guiding the development of therapies. The model characterizes the interaction between the virus and cell surface receptors, providing new information on the road to developing an effective Ebola treatment.
Scientists have developed a novel optogenetic system that allows for precise control of integrin-mediated adhesion in human cells using light. This innovation has the potential to revolutionize cancer therapy and regenerative medicine by enabling targeted manipulation of cell-matrix interactions.
Cell biologists at University of Münster create mini-measuring device to analyze molecular forces in desmosomes. They find that desmosomes only experience stress when cells are pulled, and the degree of stress depends on force magnitude and orientation.
Researchers identified a cell type responsible for initial steps of adhesion formation and developed an antibody-based therapy to treat and prevent adhesions. The treatment showed promise in mouse models and expressed similar genes as human tissue, suggesting potential translation into the clinic.
Researchers have discovered the mechanism by which Mycoplasma genitalium adheres to human cells, a crucial step in bacterial infection and disease development. The study reveals the three-dimensional structure of the P110 adhesin protein interacting with sialic acids on human cell surfaces.
A new type of protein complex has been discovered in human cells, which attaches to its surroundings and plays a key role in cell division. This discovery challenges current knowledge of cell division and may provide answers to an unanswered question about how cells remain attached to the matrix during division.
Researchers at Nara Institute of Science and Technology discovered that shootin 1b is essential for neuron migration to the olfactory bulb, which affects brain development and adaptation. The study reveals how shootin 1b mediates a mechanical clutch to generate force for neuronal movement.
Researchers found that immature reticulocytes are more prone to stick to blood vessel walls, leading to vaso-occlusive pain crises. A new microfluidic system mimicked post-capillary vessels, revealing how low oxygen levels cause sickle red cells to form stiff fibers that increase adhesion.
Researchers at the University of Basel have found that endothelial cells can migrate within vessel sprouts while remaining firmly attached to each other. This process allows for the formation of a complex network of blood vessels that pass through the body from head to toe.
Lehigh University researchers aim to block specific virus entry while preserving normal cellular processes, which is a principal difficulty in designing therapies against viruses. The Ebola virus infects healthy cells by disguising itself as debris, prompting the need for accurate understanding of virus uptake processes.
Researchers developed a novel microscopy technique to analyze cellular focal adhesions, providing real-time information on dynamic processes. This breakthrough enables better understanding of cell proliferation, differentiation, and migration, which can aid cancer treatment and tissue engineering applications.
Researchers at Lehigh University aim to elucidate the biomechanical mechanism of Ebola-host cell interaction using computational molecular adhesion mechanics and single-molecule force spectroscopy. Their goal is to provide new pharmacological targets for antiviral drug development.
Researchers at Queen Mary University of London have discovered that cells can 'walk' on liquids using protein nanosheets with strong mechanical properties. This breakthrough could lead to the design of new cell technologies for regenerative medicine and tissue engineering.
A parasite has evolved to mimic human proteins, breaking down cell barriers and making nutrients available for opportunistic bacteria. This discovery provides new insights into the disease-causing mechanisms of giardiasis.
Researchers created printable PDMS using a mixture of two polymers, resulting in improved cell adhesion and mechanical properties. The 3D-printed material showed better tensile strength compared to molded or cast PDMS.
A new study reveals that the IGPR-1 protein plays a critical role in colon tumor growth and drug resistance, identifying it as a potential target for treatment. Blocking IGPR-1 with an antibody or shRNA inhibits tumor growth, suggesting significant therapeutic potential.
Researchers at North Carolina State University developed a new method for manipulating cells using light, creating an effective tool for bioelectronics. Persistent photoconductivity allows the material to become more conductive when exposed to light, increasing surface charge and directing cells to adhere.
Researchers discovered that weakly adherent cancer cells are more likely to migrate and invade other tissues compared to strongly adherent cells. This finding suggests that adhesion strength may serve as a general marker of metastatic cells.
Researchers used super-resolution imaging to map the organization of cadherin-based adhesions in cells. The study revealed a multi-layered structure with compartments separated by an interface layer containing vinculin, which plays a key role in fine-tuning mechanical properties.
Dying cells must be detached from their neighbors to avoid causing further damage to surrounding healthy tissue. The study reveals a carefully choreographed sequence of molecular events that revolve around an interplay between cell adhesions and protein-based contractile cables.
Researchers have developed a novel live-cell imaging method that allows for dynamic, high-resolution visualization of cell interactions. The Photonic Crystal Enhanced Microscope (PCEM) can quantify and measure cell adhesion, a critical process involved in cell migration, differentiation, division, and death.
A multidisciplinary team created a living bio-hybrid system that connects neurons in the brain to human-made electronic devices. The research used Raman spectroscopy to analyze biocompatibility and functionality of adhering cells, paving the way for seamless interfacing between machines and nervous systems.
Researchers have identified a highly specific adhesion between Helicobacter pylori and human cells, which could be used diagnostically and therapeutically. This new approach aims to prevent the bacterium's attachment to stomach cells, potentially suppressing its damaging effects.
Researchers developed clay nanotube-biopolymer composite scaffolds that improve mechanical strength, water uptake, and thermal properties. The scaffolds demonstrated enhanced biocompatibility and encouraged cell adhesion, proliferation, and neo-vascularization in vitro and in vivo.
The ROBO1 signaling pathway enhances cellular contractility and adhesion in response to stiff environments, allowing cells to retain shape and position. This upregulation of ROBO1 may prevent cell invasion and delay tumor progression.
Researchers at Osaka University have developed a therapeutic method using periostin1-specific neutralizing antibodies to inhibit the onset of cardiac failure in the chronic phase, improving patients' quality of life and reducing medical costs. The study's findings suggest that periostin1 is the primary cause of cardiac failure after AMI.
A prehistoric code on cell surface adhesion molecules regulates cell motility, explaining how cells fine-tune migration in response to different tissue determinants. This discovery has significant implications for understanding cellular processes in cancer and inflammation.
Cells form early adhesions from integrin clusters, a consistent size of 100 nanometres, even on soft or hard surfaces. These modular units enable cells to sense and migrate on surfaces with different rigidity, a hallmark of metastasis.
Researchers at UCSB have developed a novel device that enables real-time observation of the forces involved in cell membrane hemifusion. By combining the Surface Forces Apparatus and fluorescence microscopy, they were able to visualize the rearrangement of lipid domains during this process.
Phosphorylation and methylation of desmoplakin regulate its interaction with the cytoskeleton, affecting cell-to-cell connections. The study reveals a regulatory mechanism that contributes to skin and heart diseases.
Scientists discovered cells can sense mechanical property of their environment at the single molecule level, showing ultra-sensitivity for strong molecular forces. This finding has implications for understanding basic physiological processes like embryo development and tumor metastasis.
E-cadherin molecules form small clusters of about five molecules, which then recruit more molecules and organize into the adherens junction. The actin cytoskeleton fences these clusters, preventing them from merging to form a belt.
Researchers at the National University of Singapore have comprehensively described the network of proteins involved in cell-cell adhesions. The study reveals 561 proteins associated with E-cadherin, including adaptor proteins and those involved in cellular transport and protein synthesis.
Researchers have made an unexpected discovery about endothelial cell behavior during angiogenesis, revealing a continuum of migratory states regulated by differential cell-cell adhesions. This new mechanism may contribute to disease progression, including cancer, where blood vessel formation is critical for tumor growth.
Researchers found that developing sperm cells lacking p73 detached prematurely and died, while Sertoli cells lost their characteristic morphology. The study demonstrates the critical role of p73 in regulating cell adhesions for male fertility.
Researchers at NUS have discovered that outer skin cells can form suspended bridges during wound healing, paving the way for better wound treatment and artificial skin design. The study sheds light on how skin cells migrate over regions devoid of support from the extracellular matrix.
A new method allows researchers to design and create three-dimensional structures with precise cell docking sites, enabling the study of individual cells in a close-to-reality environment. The technique uses direct laser writing and photoactive molecules to control the adhesion points for cells.
Researchers developed a new laboratory method to detect and measure the mechanics of single-molecule interactions, revealing a well-defined 'quantum of force' required to activate cell adhesion. The findings have broad applications for research into stem cells, cancer, infectious disease, and immunology.
A genome-wide association study of over 6,000 people has identified seven new genetic regions linked to pulmonary fibrosis. The research provides clues to the disease's mechanisms and suggests a possible connection between genetic variants and environmental factors.
Researchers at UC San Diego identified fractalkine as a new therapeutic target for treating type 2 diabetes. Administering the protein stimulated insulin secretion and improved glucose tolerance in mouse models and human islets.