Articles tagged with Integrins
The study introduces a synthetic, animal-free gel that enables the long-term growth of 3D organoids, overcoming limitations of traditional animal-derived gels. The PIC–invasin gel offers robustness, consistency, and potential for widespread use in research and clinical settings.
A newly discovered mechanism has identified a key protein, AP2A1, that toggles between 'young' and 'old' cell states. By suppressing AP2A1 in older cells, researchers were able to reverse senescence and promote cellular rejuvenation. This breakthrough may lead to new treatment targets for diseases associated with old age.
Increasing the spacing between integrin-ECM binding domains on the extracellular matrix can boost the efficiency of ultrasound treatment applied to kill cancer cells. A new study found that this increased spacing triggers myosin forces, pumps more calcium inside, and promotes cell death.
Researchers have developed a new way to grow organoids using Invasin, a protein produced by bacteria, mimicking the original organ with its variety of cell types. This study provides an affordable, standardized and animal-free alternative to currently used methods.
Researchers from IBEC have improved understanding of how MSCs sense environment viscosity, a key factor in differentiation into different tissue types. Viscosity affects cell behavior and promotes differentiation into softer tissues like cartilage.
Scientists discover a dynamic paxillin-integrin interaction that enables flexible yet stable cell cohesion. This finding may lead to the development of new medical agents targeting cellular adhesion points.
Researchers at OHSU identified a type of monoclonal antibody that can slow the progression of amyotrophic lateral sclerosis (ALS) by modulating immune cells. The study used a mouse model and confirmed results in human brains affected by ALS, revealing a promising potential treatment for this fatal neurodegenerative disease.
A new study suggests that the SARS-CoV-2 spike protein contributes to vascular leak, a dangerous release of fluids from blood vessels leading to respiratory failure. Researchers believe blocking this pathway could help prevent severe COVID-19 symptoms and shed light on other emerging infectious diseases.
Researchers discovered that cells in moving group push the front of their group, contrary to previous findings that they pull with their front edges. The discovery sheds light on how tissues apply force in groups to generate motion in living organisms, which could have implications for cancer spread.
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 identified the potential of 7HP349 as an oral medication to strengthen the effectiveness of vaccines, particularly for populations that struggle with immunosuppression. The study suggests adding 7HP349 to standard vaccination can improve vaccine efficacy without reformulating the vaccine.
Researchers have identified short linear motifs in SARS-CoV-2 receptors that facilitate viral entry and replication. The findings suggest targeting these motifs may help develop new treatments for COVID-19.
Researchers have uncovered new functions of integrin and talin, a cytoskeletal protein that regulates cell adhesion and migration. The study's findings provide insights into the activation of integrins mediated by talin, essential for various cancers.
The collaboration aims to develop a small molecule drug targeting inflammatory cell trafficking in the gut, offering a safe alternative to current treatments for IBD. The company will apply its proprietary approach to develop antagonists of integrin targets.
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.
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 at IST Austria found that actin flows from front to tail, driving cell movement, and can couple with environment without integrins, enabling flexible crawling through tissues. This 'off-road' mode of locomotion allows cells to migrate efficiently in various environments.
Researchers identified a protein and signaling pathway that may contribute to sudden cardiac deaths in patients with Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC). The study found that loss of integrin β1D prevents proper calcium control, leading to arrhythmias.
UC San Diego researchers identified αvβ5 integrin as the key contributor to Zika virus' ability to infect brain cells. Blocking this integrin with antibodies or small molecule inhibitors effectively prevents Zika virus from infecting both normal brain stem cells and cancer stem cells.
Cells lacking CD13 protein can't move normally, hindering their ability to repair wounds and metastasize. Researchers discovered that CD13 acts as an organizer, gathering recycled integrin proteins at the cell membrane to enable movement.
Researchers found that fever enhances T lymphocyte trafficking through heat shock protein 90 (Hsp90)-induced α4 integrin activation and signaling in T cells. Fever increased Hsp90 expression, promoting α4 integrin-mediated T cell adhesion and transmigration.
Research in mice reveals how fever boosts the ability of immune cells to reach infections by altering surface proteins. Fever-induced heat shock protein 90 (Hsp90) promotes lymphocyte adhesion and transmigration through α4 integrin activation.
Acute lymphoblastic leukemia (ALL) researchers find bone marrow stromal cells harbor leukemia cells, shielding them from chemotherapy. Yong-Mi Kim seeks integrin molecules to block treatment evasion.
Researchers at Scripps Research Institute have discovered the molecular mechanisms of protein talin's activation of integrin on the cell membrane. This process is essential for cell adhesion and plays a crucial role in cancer progression and metastasis.
Researchers have developed an imaging method for live cells that suppresses photobleaching, allowing observation of individual molecules for up to 400 seconds. This enables study of protein movements and interactions in the cell membrane, shedding light on cellular behavior and potential targets for cancer treatment.
Researchers at Technical University of Munich have developed a strategy for designing peptides that can be administered orally, overcoming the major challenge of stability and absorption. This breakthrough simplifies the creation of peptide medications, potentially offering new treatments for various diseases.
Researchers have demonstrated that cells navigate using molecular force from within, enabling them to turn and potentially leading to the development of new drugs. This discovery was made possible by the study of integrins, which are essential for cell interactions.
Researchers found that genes can be activated in human stem cells to initiate biomineralization, a key step in bone formation. The study used engineered silk derived from golden orb weaver spider webs and supercomputers Stampede1 and Comet to model the folding of proteins and predict osteogenesis.
A team of scientists used a novel microscope to measure the orientation of integrins on cell surfaces in real-time, revealing that actin flow inside the cell aligns with external forces. The study provides new insights into how cells migrate towards wounds or pathogens, shedding light on the fundamental mechanisms of cellular movement.
Researchers at Arizona State University have discovered that proteins can conduct electricity like metal through a new technology called recognition tunneling. This finding has potential applications in medical diagnosis and could revolutionize the way we understand protein behavior.
Scientists have identified where laminin 511 interacts with integrins, crucial adhesion molecules that determine cell function and shape. The discovery reveals the gamma chain directly interacts with integrins, stabilizing the laminin-integrin bond.
Researchers found that older CAR-T cells had impaired tumor-killing performance due to low α5β1 integrin levels. Increasing α5β1 integrin expression, known as the Geri-T method, reversed this dysfunction and improved treatment efficacy.
Researchers at Queen Mary University of London have identified a new protein that plays a crucial role in the aging process and early cancer development. The protein, integrin beta 3, helps regulate cellular senescence by transmitting signals to surrounding cells.
A team of scientists at Brown University has made key discoveries about the body's natural immune response to fungal infections. They found that specific receptors on white blood cells signal the cells to take action against the fungus, and manipulating these receptors may help develop new therapies to combat growing drug resistance.
A study by Lund University researcher Pontus Nordenfelt reveals how cells move using integrins, actin, and an adaptor protein. The technique enables measuring mechanical force acting on integrins, which could lead to targeted drugs to strengthen the immune system against infections.
Researchers found that platelet α6β1 integrin promotes interactions between tumor cells and platelets, leading to decreased lung metastasis in mice. Antibody-mediated blockade of α6β1 integrin inhibited tumor metastasis in murine models of breast cancer and melanoma.
Researchers at La Jolla Institute for Immunology discovered a novel mechanism by which neutrophil receptors latch onto vessel walls, dampening inflammation. Integrins assume an unorthodox shape that exposes the high affinity patch but maintains a bent conformation, preventing it from binding to ICAM-1 expressed on blood vessel cells.
A recent study by Queen Mary University of London has uncovered a previously unknown survival mechanism used by cancer cells to spread throughout the body. The researchers discovered that an integrin protein pairs with c-Met and signals within the cell to resist death, paving the way for new therapies to prevent metastasis.
Georgia State researchers discover a new class of protein, ProAgio, that effectively targets the cell surface receptor integrin v3, linked to various diseases including cancer. ProAgio induces apoptosis, killing pathological cells and preventing tumor growth, with minimal toxicity to normal tissue.
Protein ProAgio induces apoptosis in cells expressing integrin αVβ3, a receptor linked to various diseases. The study found ProAgio strongly inhibits tumor growth and prevents blood vessel formation.
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 Technical University of Munich create a highly active molecule that selectively targets the alphaVbeta6 integrin, a common marker in many types of cancer. This breakthrough could lead to patient-specific diagnoses and targeted therapies with minimal side effects.
Researchers have identified specific combinations of integrins associated with metastasis to certain organs, including lungs and liver. These 'zip code' proteins guide tumour cells to specific locations, supporting Paget's 'seed and soil' theory.
Bingbang Xiang discovered that platelets play a protective role in severe sepsis by producing anti-inflammatory agents to prevent immune cells from becoming too active. His findings suggest that platelet transfusions may be effective for treating severely septic patients.
Researchers discovered that intracellular receptor signalling sustains cancer cells detached from surrounding tissue. Preventing this signalling reduces the ability of cancer cells to survive and spread. This breakthrough opens a new perspective on integrin receptors' activity in cancer.
Researchers developed a new technique to study neutrophil motion in confined spaces, revealing a second mode of motion that doesn't rely on integrins. The findings suggest that physical confinement is key to reproducing this motion and may lead to the development of new drugs to optimize neutrophil movement in specific tissue types.
Researchers use DNA-based tension probes to measure the mechanical forces at the molecular level, revealing how cells sense and interact with their environment. The study provides a new understanding of cellular mechanics and its significance in various biological processes.
Researchers at Massachusetts General Hospital have identified a path to safer drugs for heart disease and cancer. By analyzing the structure of an extracellular matrix protein and its interaction with an integrin, they have discovered a high-affinity version that can bind strongly without inducing unintended receptor activation.
Scientists at Saint Louis University have discovered a potential novel therapeutic approach to treat fibrotic diseases by targeting the Transforming Growth Factor (TGF) beta protein. Removing a gene that makes alpha v integrins blocks TGF beta activation, and treatment with a small molecule compound replicates this effect.
Researchers at the University of Illinois Chicago have discovered a molecular switch that causes small, beneficial clots to enlarge further during wound healing. By blocking this switch, potent anti-clotting drugs can be developed to prevent large clots from forming while preserving the body's ability to form primary clots.
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.
Researchers used a computer model of integrin to explore its molecular machinery and interactions with the cell environment. The model suggests that integrins cluster together in response to external forces and recruit more integrins when subjected to higher forces.
Researchers at the University of Manchester identified the method by which cells regulate integrin recycling, allowing precise control over cell movement. Syndecan-4 plays a critical role in regulating this process, responding to subtle changes in the cell's surroundings.
Researchers at UH Cancer Center identify RSK2 protein as key player in cancer cell migration and metastasis. The discovery may lead to selective treatments targeting specific tumor types, improving treatment outcomes.
Researchers found a new aspect of cell adhesion involving integrins, which are strengthened by cyclical applications of force, prolonging bond lifetimes and shedding light on possible mechanisms for sensing extracellular topography.
Researchers have identified a new mechanism by which the bladder senses its level of fullness through integrin proteins. This discovery may lead to the development of new drugs targeting this pathway to treat overactive bladder and incontinence.
Scientists have discovered a vital interplay between transport machinery and integrin receptors that ensures proteins are transported to the correct area of the cell. This understanding could lead to better diagnosis for cancer patients as it reveals how cells become disorganized in early stages of the disease.
A study published in The Journal of Cell Biology reveals how DGK-alpha, a lipid-converting enzyme, enables invasive cancer cells to recycle integrins, providing better traction on fibronectin fibers. This process is essential for tumor progression and metastasis.
Researchers have discovered a link between decreased alpha-2 integrin expression and increased tumor dissemination in breast and prostate cancer patients. Additionally, targeting blood vessel growth has been found to alleviate psoriasis symptoms by reducing angiogenesis.
Researchers found decreased alpha-2 integrin expression predicts tumor dissemination and lower survival rates in breast and prostate cancer. Alpha-2 integrin suppression of metastasis was confirmed using a mouse model and human microarray databases.