Articles tagged with Fibroblasts
Researchers observed fibroblasts circling the edge of the wound for about 50 hours, when cells began to close the void. Fibroblasts were found to be the primary drivers of wound closure, with endothelial cells playing a supporting role.
Researchers found that certain chemotherapeutic agents can promote tissue overgrowth in normal tissues, while an innate immune signaling pathway in fibroblasts causes stem cells to proliferate. This discovery has broad implications for diseases associated with the immune system, including psoriasis and cancer.
A study published in Circulation journal reveals that a specific population of cardiac fibroblasts, called Reparative Cardiac Fibroblasts (RCF), play a crucial role in repairing damaged heart tissue after a myocardial infarction. The RCF cells produce a protein called CTHRC1, which is essential for the healing process.
A study by Cima and Clinica Universidad de Navarra has identified reparative cardiac fibroblasts that play a crucial role in repairing the heart after an infarction. These cells are activated when a patient suffers a heart attack, producing a collagen scar to prevent rupture of the ventricular wall.
Researchers at UT Health San Antonio discovered that childhood chemotherapy changes the function of cells that repair heart injury, leading to increased risk of heart failure in survivors. The study found that damage to these cells may contribute to late effects seen in childhood cancer survivors when they become adults.
Researchers found that fibroblast growth factor 1 repairs damaged perineuronal nets in the brain, a critical response required for sustained diabetes remission. The discovery sheds light on the intricate biology of the brain's response to the protein and may lead to more effective diabetes treatments.
Cardiac fibroblasts can be directly reprogrammed to form beating heart muscle cells on soft surfaces that match the elasticity of native myocardium. This approach shows increased functional maturation and spontaneously beating iCMs, with implications for treating heart failure and myocardial infarction.
Researchers isolated fibroblast cells from a stranded finless porpoise to predict the threat of environmental pollutants to its population. The study found that pollutants like PCBs and DDTs induce cell death and can cause cytotoxicity, apoptosis, and reduced cell viability.
Researchers at Terasaki Institute for Biomedical Innovation have identified collagen V as a key factor regulating cardiac scar tissue size after a heart attack. The study found that fibroblasts without collagen V produce larger, more irregularly-structured scars, leading to reduced shrinkage and increased risk of complications.
A team of researchers has identified fibroblasts as the primary cells producing VEGF-C processing enzymes in zebrafish embryos. This discovery sheds light on lymphatic vessel development and may have implications for human diseases, including lymphoedema and cancer metastasis.
Researchers have discovered biochemical alterations in skin cells, urine, and cerebrospinal fluid of patients with Lesch-Nyhan disease. High levels of folic acid reversed these alterations in cell cultures, suggesting a possible treatment strategy.
Researchers at the National University of Singapore have developed a method to rejuvenate fibroblasts by geometrically confining them on micropatterns. The resulting cells recover their ability to contract and exhibit reduced DNA damage and enhanced cytoskeletal gene expression.
Fibroblasts from distinct pancreatic diseases exhibit distinct genetic profiles and gene expression patterns, highlighting the importance of using disease-specific fibroblasts for research. The study also identifies a potential biomarker for distinguishing between pancreatic cancer and chronic pancreatitis.
Researchers discover e-cigarette liquid can cause lung tissue repair process to go haywire, leading to scarring. Inhibiting a certain nicotinic receptor may help promote cell death and slow scar formation in affected individuals.
Researchers at Hospital for Special Surgery have discovered a molecule in the lymphatic system that may play a role in autoimmune disease. The study found that this molecule, CCL2, limits antibody responses and can help regulate immune cell function.
A new radiotracer, 68Ga-FAPI-04 PET, can effectively image fibroblast activation after myocardial infarction, identifying a time window during which cardiac fibrosis can be prevented. This technology may aid in the clinical management of patients after a heart attack.
Fibroblasts play a crucial role in wound healing but also facilitate tumor growth and metastases in breast cancer. Inhibiting inflammatory signaling pathways may prevent metastatic relapse, say researchers from Tel Aviv University.
Researchers found that fascia tissue is the origin of scars and contains specialized fibroblasts that pre-assemble to heal wounds. This discovery challenges traditional views of wound healing and opens up new biological concepts for scar-related diseases, potentially leading to novel therapeutic approaches.
Researchers at Mayo Clinic have identified a way to slow and reverse fibrosis by targeting a dopamine receptor, which blocks the growth of scar-forming cells. The approach reversed fibrotic processes in lung and liver models, offering a new treatment concept for fibrotic diseases.
Researchers found that specialized proresolving mediators can help heal injured tendon cells by attacking inflammation, offering a new approach to treat chronic tendon injuries. The study suggests these mediators may target diseased cells and promote resolution of tendon inflammation.
Researchers at Temple University Health System have identified a novel signaling pathway that regulates fibrosis, a condition characterized by the formation of excessive scar tissue. By targeting this pathway, they hope to develop new treatments for fibrotic diseases, which can lead to serious health complications.
Researchers at Stanford University School of Medicine discovered a molecular defect that could lead to an accurate, early diagnosis of Parkinson's disease. They also identified a compound that reverses this defect in cells from patients and prevents neuronal death in animal models.
Researchers at Baylor College of Medicine discovered that inactivating the Hippo pathway in cardiac fibroblasts promotes cardiac fibrosis and adversely affects cardiac function. This finding highlights the need for specific targeting of the Hippo pathway in cardiac muscle cells for safe and effective heart failure therapy.
A research team at the University of Colorado School of Medicine has identified BRD4 as a central regulator of cardiac fibroblast activation. Chemical inhibitors of BRD4 potently block cardiac fibroblast activation, providing a potential therapeutic target for heart failure treatment.
Researchers at Duke-NUS Medical School have identified a network of RNA-binding proteins that play a key role in the formation of disease-causing fibrous tissue in the heart. Inhibiting specific proteins may help prevent or treat cardiac fibrosis, which underlies many heart diseases.
Researchers create biomaterial-based models of heart tissues to understand the impact of aortic valve replacement procedures on cardiac tissue remodeling. The study reveals key proteins associated with myofibroblast deactivation and offers potential for developing innovative therapies for fibrotic diseases of the heart.
Researchers at Penn Medicine successfully harnessed CAR T-cell therapy to target and remove activated cardiac fibroblasts, significantly reducing cardiac fibrosis and restoring heart function in mice with heart disease. The approach demonstrates potential for treating heart disease, a leading cause of death worldwide.
Researchers at Johns Hopkins Medicine discovered that certain forms of heart disease may result when circulating anti-inflammatory white blood cells fail to properly differentiate into macrophages. Blocking a key protein, IL-17A, permits healthy cardiac function and allows macrophages to protect the heart muscle.
Researchers have identified a new type of fibroblast in pancreatic cancer tumors that can evade immune detection. The discovery, published in Cancer Discovery, highlights the complex role of these cells in protecting cancer cells and could lead to new therapeutic strategies.
Researchers have identified a crucial connection between specific fibroblast cells in the joint and two types of arthritis: osteoarthritis and rheumatoid arthritis. The discovery could lead to the development of targeted therapies that alter the behavior of these fibroblasts to reduce inflammation and tissue destruction.
Researchers at Virginia Tech have gained a new understanding of the complex interactions between macrophages and fibroblasts as they work together to clean up and repair damaged tissue. The study shows that manipulating the environment around these cells could lead to improved treatments for wounds and tumors.
Researchers at the University of Tsukuba identify diclofenac as a factor promoting cardiac reprogramming in postnatal and adult fibroblasts, while inhibiting COX-2 and suppressing inflammatory signaling. This finding has important implications for developing new therapies for cardiac regeneration in pediatric and adult patients.
A UCI-led study found that circulating blood cells play a crucial role in scar-free skin healing by assisting wounded skin repair. The research discovered diverse wound fibroblast sub-types, with some having molecular signatures of originating from blood cells.
A team of scientists has successfully cloned gene-edited monkeys with disease phenotypes using somatic cell nuclear transfer. The monkeys, which exhibit circadian disorder phenotypes, can be used to study the pathogenesis and therapeutic treatments for human diseases such as sleep disorders and neurodegenerative diseases.
Researchers discovered the pathway that causes dermal fibroblasts to lose their ability to convert into fat cells as people age. This process affects the skin's ability to fight infections, particularly bacterial ones like MRSA. The study may lead to new treatments for obesity, diabetes, and autoimmune diseases.
Researchers analyzed skin cells from over 100 individuals to identify molecular signatures of aging, predicting a person's age with less than eight years error on average. The study's findings provide a foundation for quantitatively addressing unresolved questions in human aging.
Researchers at Tel Aviv University discovered that breast cancer tumors recruit stromal cells from bone marrow, boosting tumor cell proliferation and blood vessel formation. This finding highlights the potential for targeting these cells with novel therapies to treat the disease.
Researchers found that breast tumors can recruit bone marrow-derived fibroblasts to boost growth and metastasis. These cells lack key signaling proteins and produce clusterin, promoting blood vessel formation and tumor progression.
Researchers developed a dual-action virus that kills cancer cells while targeting adjacent fibroblasts shielding them from the immune system. The therapy showed promise in human cancer samples and mice without causing toxicity.
Researchers are creating three-dimensional models of blood vessels using pig arteries and human endothelial cells to study fibroblast behavior. This could provide a powerful tool for diabetes basic research and drug screening systems.
Dermal fibroblasts lose cell identity with age, altering activity and affecting tissue repair. This loss leads to decreased skin barrier function and increased risk of infections.
UCLA researchers found that a specific protein factor is essential for fibroblast cells to migrate and contribute to wound healing. This discovery may offer new insights into cancer progression and treatment options.
Researchers at Cold Spring Harbor Laboratory have identified molecular signals that can convert tumor-promoting fibroblasts into beneficial ones in pancreatic tumors. By manipulating these signals, they aim to recruit tumor-restricting cells into the anticancer fight and develop a combination therapy approach.
Researchers at Mount Sinai Hospital discovered a new gene, HIP1, linked to disease severity in rheumatoid arthritis. The study found that knocking out the gene reduced synovial fibroblast invasiveness and protected against arthritis progression.
A study from Michigan Medicine discovered that blocking a gene called FOXM1 can reduce the development of fibroblasts and fibrosis in IPF patients. The research used siomycin, an experimental compound designed to block FOXM1, which prevented fibrosis in mice with lung disease.
Researchers from MIPT studied a nanofibrous scaffold's interaction with rat cardiac cells, finding cardiomyocytes envelop fibers on all sides, while fibroblasts only touch one side. This study contributes to heart tissue regeneration and regenerative medicine.
A Massachusetts General Hospital team discovered that macrophages, immune cells known for removing debris, are actively involved in the development of heart failure with preserved ejection fraction (HFpEF). Elevated levels of inflammatory cardiac macrophages were found in both mouse models and human patients with HFpEF.
Researchers have mapped detailed molecular events underlying the transformation of ordinary fibroblast cells into therapeutic cardiac muscle cells. The study reveals key changes in protein levels, including a sharp rise in Agrin, which promotes repair processes and inhibits organ size regulation.
CNIO researchers have identified a subpopulation of cancer-associated fibroblasts that foster tumour growth and discovered the Saa3 gene as a key player. Eliminating this gene reprograms the cells, losing their pro-tumour properties, opening a new avenue for therapeutic strategies.
Researchers at Max Planck Institute found reduced FoxO3 activity reprograms connective tissue cells, leading to pulmonary fibrosis. Boosting FoxO3 activity halted disease progression in mice, offering a potential treatment pathway.
A recent study by Case Western Reserve University School of Medicine identified specific lncRNAs that modulate connective tissue proteins like collagen in skin cells. The researchers found that these long non-coding RNAs work with the Wnt/β-catenin pathway to control gene expression, suggesting a new form of genetic control.
Researchers at MGH and UHN discovered a critical molecular pathway that induces lung and skin fibrosis in a mouse model. Suppressing ephrin-B2 expression blocked the development of lung fibrosis, while inhibiting ADAM10-sEphrin-B2 signaling reduced fibrosis and death.
Researchers at UNC School of Medicine have made a breakthrough in understanding the molecular changes that occur during cell fate conversion from fibroblast to cardiomyocyte. They used single-cell RNA sequencing technology, mathematical modeling, and genetic approaches to identify key regulators and pathways involved in the process.
A study explores the relationship between Chédiak-Higashi syndrome and periodontitis, revealing that LYST mutations affect TLRs and lead to a dysregulated immune response. Classic CHS patients with bone marrow transplantation exhibited mild chronic periodontitis, while atypical CHS patients showed no evidence of aggressive periodontitis.
Researchers at Baylor College of Medicine found that Gata4 can reduce post-heart attack fibrosis, leading to improved cardiac function in small animal models. The study's results suggest a novel role for Gata4 in heart regeneration and may lead to new treatments for heart failure.
Researchers from the University of Pennsylvania School of Medicine identified a process where cancer cells instruct normal cells to act like viruses, enabling tumors to spread and resist treatment. This 'virus mimic' is detected in the blood of cancer patients and could explain why some breast cancers are more aggressive than others.
Researchers at Vanderbilt University have developed a monoclonal antibody known as SYN0012 that blocks the production of cadherin-11, a protein responsible for calcifying heart valves. The drug shows promise in keeping heart valve leaflets supple and preventing the progression of aortic valve stenosis.
Researchers at Stanford University School of Medicine identified a pathway that drives fibrosis in many organs, including scleroderma and idiopathic pulmonary fibrosis. Blocking the CD-47 signal reverses lung fibrosis in mice.
Researchers discovered ordered arrangement of myosin-II filaments in actin cables of non-muscle cells, enabling slow contractility and movement through connective tissue. This organisation allows for dynamic assembly and disassembly of protein cables, providing the necessary strength to interact with the microenvironment.
A comprehensive review article explores cytokine regulation of fibroblast behavior and extracellular matrix in the lung, shedding light on chronic inflammation. The study highlights the role of metabolic changes, age, and epigenetic mechanisms in affecting fibroblast activity and immune system cell populations.