Articles tagged with Fibroblasts
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A review paper published in Nature Reviews Drug Discovery suggests targeting non-muscle cells in the heart responsible for cardiac scarring could lead to new treatments for heart disease. Scientists aim to utilize natural reparative processes of fibroblasts to modify scar tissue properties.
Researchers at Boston University School of Medicine have discovered a reliable marker (PDGFRβ) to detect carcinoma-associated fibroblasts in oral cancer tissues. This finding could lead to the development of more effective cancer therapies by combining anti-PDGFRβ treatment with existing tumor treatments.
Brown University bioengineers have developed a synthetic bed that works as well as traditional mouse cells without contamination risk. The innovation allows for the cultivation of human embryonic stem cells more safely and could lead to advances in stem cell therapies.
Researchers at Vanderbilt University have discovered that cancer-associated fibroblasts (CAFs) rearrange the extracellular matrix into parallel fibers of fibronectin, creating a road for migrating cancer cells to follow. This allows CAFs to exert traction forces on the ECM, enabling cancer cells to move in a single direction.
Scientists have discovered a signaling axis consisting of three proteins that regulates cell repulsion. This process is essential for preventing cells from sticking together and could play a role in cancer metastasis. The study's findings provide new insights into the molecular mechanisms behind cell migration.
Researchers at the University of Pennsylvania School of Medicine have discovered a way to directly reprogram skin fibroblasts into functional melanocytes, the body's pigment-producing cells. This technique has significant implications for developing new cell-based treatments for skin diseases and screening strategies for melanoma.
Researchers have successfully created induced neurons that model Alzheimer's disease by starting with fibroblasts taken from skin biopsies. The differentiated cells express normal neuronal markers and proteins associated with the neurodegenerative disorder, including amyloid beta and tau.
Researchers found that cancer cells and fibroblasts collaborate to invade the basement membrane, a process that begins long before the actual movement of cancer cells. CAFs secrete more proteases and matrix proteins than normal fibroblasts, which helps them remodel the basement membrane.
Researchers established induced pluripotent stem (iPS) cells from Werner syndrome fibroblasts, which can be used for drug discovery and gene therapy. The iPS cells have recovered telomeric abnormalities and similar expression levels of aging-related genes as normal iPS cells.
Researchers at Houston Methodist develop a new approach to regrow damaged blood vessels using trans-differentiated fibroblasts, improving blood flow and oxygenation. The technique shows promise for treating cardiovascular damage and injuries with minimal risk of chromosome damage.
Researchers at UNC School of Medicine have discovered a new way to generate more blood vessels following a heart attack by turning fibroblasts into endothelial cells. Increasing the level of p53 in scar-forming cells significantly reduces scarring and improves heart function after heart attack.
Researchers found that cardiac fibroblasts are unique cells with organ-specific functions and can be used in replacement therapies for congenital heart disease and heart failure. They have specific genes that tell them to become heart cells, making them a promising alternative to heart transplants.
Scientists at King's College London have discovered two distinct types of fibroblasts in the skin, one responsible for hair growth and the other for repairing wounds. Increasing these cells may lead to new treatments for scarring and aging-related skin issues.
Researchers at Kyoto University successfully induced direct conversion of human dermal fibroblasts into induced chondrogenic cells, displaying the gene pattern of chondrocytes. Transplanted cells generated hyaline cartilage tissue in immunodeficient mice without forming tumors.
Researchers found that basic fibroblast growth factor and heparin promote differentiation of MSCs into motor neurons, increasing acetylcholine levels. This technology may prevent and treat muscular atrophy caused by peripheral nerve injury.
Researchers found that basic fibroblast growth factor protects the spinal cord by reducing calcitonin gene-related peptide and acetylcholinesterase expression in damaged motor neurons. This suggests a potential therapeutic application for treating spinal cord injuries.
Researchers have developed a new gene therapy approach to convert fibroblasts from human fetal heart cells and skin into heart muscle cells. This technique may potentially treat heart disease by regenerating a healthy heart within the damaged one.
Researchers at Gladstone Institutes develop method to reprogram human fibroblasts into beating heart cells using a cocktail of five genes. The transformation has the potential to regenerate damaged heart muscle and could revolutionize treatment for heart attacks.
A new study confirms the existence of a shared pathway between Lou Gehrig's disease and spinal muscular atrophy, linking the two diseases through their impact on motor neuron function. The study suggests that this shared pathway may lead to common treatment options for both conditions.
Scientists at Cincinnati Children's Hospital Medical Center identify a molecular pathway critical to body repair processes after injury, leading to potential new anti-fibrotic or anti-inflammatory agents. The discovery could provide a targeted intervention point in fibrotic diseases, including heart failure and muscular dystrophy.
Researchers at Newcastle University have found that brain cells follow the same molecular pathway as senescent fibroblasts, leading to cell damage and age-related diseases. This discovery opens new possibilities for understanding and treating conditions like dementia and motor neuron disease.
Cardiac injury leads to rapid morphological changes, including enlargement and fibrous growth tissue formation. Advanced stages of remodeling have begun by day seven following injury. This research provides insights into the coordinated events of cardiac pathology and possible intervention targets.
Researchers at Washington University in St. Louis have received $2 million to develop artificial tissue models for testing new drugs that target myofibroblasts, which contribute to heart disease. The study aims to understand how these cells alter the electrical and mechanical properties of heart tissue.
Researchers at the Stowers Institute for Medical Research found that the Arp2/3 complex is essential for forming lamellipodia, which are crucial for cell migration. The study used genetic disruption to investigate the function of Arp2/3 in fibroblast cell motility.
Scientists have made breakthroughs in reprogramming scar tissue from myocardial infarction (MI) into viable heart muscle cells using viral vectors. The new approach has shown promising results in adult mice and offers a potential solution to the major problem of cardiac regeneration after MI.
Researchers at Moffitt Cancer Center found that fibroblasts play a significant role in melanoma tumor growth and progression. The study also revealed that fibroblasts contribute to drug resistance and the 'flare' response, where tumors exhibit enhanced metabolism after targeted therapy is stopped.
Researchers found that combining tamoxifen with dasatinib reverses chemo-resistance caused by cancer-associated fibroblasts. The combination normalized glucose intake and reduced mitochondrial oxidative stress, leading to nearly 80% cell death.
Cigarette smoke exposure fundamentally alters airway tissue in people with chronic obstructive pulmonary disease (COPD), leading to self-perpetuating fibrotic changes. The study reveals that cigarette smoke induces the production of pro-fibrotic cytokines and activates the NF-κB pathway, contributing to COPD persistence.
Researchers found that interleukin-13 stimulates invasion of airway cells called fibroblasts in asthma patients, leading to increased thickness in airway walls and loss of lung function. The protein acts in combination with other mediators, including TGF-β1 and MMPs, to cause cellular changes that contribute to airway remodeling.
A Tel Aviv University researcher has found that fibroblasts, a type of connective tissue cell, can be coerced into supporting inflammation and tumor growth. This discovery opens new avenues for drug research and may help manage inflammation to reduce cancer growth.
Researchers at UC San Diego School of Medicine present a new explanation for how fibrotic cells form in the human liver, upending long-held assumptions about EMT and FSP1. The study reveals endogenous stellate cells are the primary culprit in liver fibrosis, and FSP1 is an unreliable marker.
Fibroblasts, a type of connective tissue cell, have been found to be metabolically active during quiescence, producing proteins that help replenish other cells. This discovery could lead to new strategies for attacking tumors and improving overall health.
Researchers have devised a three-ingredient molecular cocktail that transforms fibroblasts into beating heart cells, potentially solving the issue of cardiac muscle regeneration in heart disease. The cocktail, tested on mice, shows promise in producing new cardiac muscle cells more efficiently than induced pluripotent stem cells.
Researchers at Gladstone Institutes found a way to make beating heart cells from body's own cells, helping to regenerate damaged hearts. The new method directly reprograms structural cells called fibroblasts into cardiomyocytes without needing stem cell state.
Researchers from the University of Illinois at Chicago have discovered a cellular response that breaks down and inhibits excess scar tissue in wound healing. Fibroblasts recruited to the wound site enter a state of reproductive dormancy called senescence, which accelerates collagen breakdown and limits scar tissue formation.
Researchers found that inflammasome activation increases muscle damage in muscular dystrophy, while galectin-7 expression levels are associated with metastasis in breast cancer. These findings provide new insights into disease mechanisms and potential therapeutic targets.
Researchers used organotypic skin cultures to study PPAR-beta/delta's role in skin cell communication. They found that PPAR-beta/delta regulates crosstalk between skin layers, controlling proliferation rates and preventing excessive growth.
Researchers at the Gladstone Institutes have identified a complex signaling process that governs heart cell expansion and division. The study shows that cardiac fibroblasts send signals to cardiomyocytes to divide or grow, which could lead to regenerative therapies after heart attacks.
A University of Iowa study found that smoking decreases a key protein in lung cells, leading to cell aging and damage. The team suggests targeting Werner's syndrome protein for developing treatments for smoking-related diseases like emphysema.
Researchers found that Snail1 promotes tissue invasion and angiogenesis in cancer cells by stimulating fibroblast function. Fibroblasts without Snail1 are less able to degrade the extracellular matrix and form invadopodia, key structures for cell invasion.
Researchers at Salk Institute boost reprogramming efficiency by over 100fold and cut time in half. They successfully generate patient-specific stem cells from a single human hair, providing a practical alternative to embryonic stem cells.
A paper on stress urinary incontinence treatment has been retracted from publication after an investigation found critical deficiencies in patient consent and document authenticity. Senior author Georg Bartsch denied involvement, but the study's flaws have raised concerns about research integrity.
Researchers at the University of California, San Diego, have discovered a novel way to prevent cardiac fibrosis by targeting the Epac molecule. By increasing Epac expression, they were able to block the ability of agents to promote fibrosis in cardiac fibroblasts.
Fibroblasts, key cells in wound healing, transform into powerful contractile cells through a mechanical process. This new understanding could help prevent fibrosis and improve tissue engineering by controlling the rigidity of cell cultures.
Researchers at Massachusetts General Hospital have discovered a crucial molecular pathway underlying idiopathic pulmonary fibrosis (IPF), a deadly lung disease. The study found that lysoposphatidic acid (LPA) and its receptor LPA1 play a key role in attracting fibroblasts, leading to scarring of lung tissue.
Researchers have successfully identified reprogrammed cells in mice without using genetic markers, simplifying the process and potentially yielding a bountiful supply of custom human embryonic stem cells. This breakthrough brings human stem cell therapies closer to reality and eliminates one major hurdle to reprogramming human cells.
Researchers at Beth Israel Deaconess Medical Center discovered the source of cardiac fibrosis, a stiffening of the heart muscle leading to various cardiac diseases. They found that a bone morphogenic molecule, rhBMP7, can reverse the process, offering a new therapeutic target for patients with heart disease.
A study published in The Lancet found that injecting autologous myoblasts and fibroblasts into the urethra improved continence rates for women with stress urinary incontinence. After 12 months, 38 out of 42 women treated with autologous cells were completely continent, compared to only two out of 21 women treated with collagen.
A new study suggests that green tea compound epigallocatechin-3-gallate (EGCG) inhibits production of molecules that cause destruction of cartilage and bone in people with rheumatoid arthritis. EGCG also suppresses inflammatory products in connective tissue.
Researchers at UT Southwestern Medical Center have identified a novel target for developing drugs to treat human obesity and diabetes. A relative of the anti-aging gene Klotho, known as beta-Klotho, helps activate a hormone that can lower blood glucose levels in fat cells of mice.
A commonly used anti-aging compound has been found to cause a pathological reaction in skin cells, slowing down cell division and inducing the death of fibroblasts. Researchers are now urging caution and calling for more research into the compound's pharmacological and toxicological effects.
Researchers at the University of Michigan have discovered that Restylane works by stretching fibroblasts, causing them to create new collagen. This natural collagen then contributes to reducing wrinkle appearance. The study also found that Restylane inhibits the breakdown of existing collagen.
Researchers at Baylor College of Medicine found that immune system cells recruited from the body can cause muscle dysfunction leading to certain forms of heart failure. Treatment with serum amyloid P prevented the production of these fibroblasts and resulting fibrosis.
Researchers at Johns Hopkins Medicine have successfully created a biological pacemaker using connective tissue cells from lungs and heart muscle cells, paving the way for an alternative to implanted electronic pacemakers. The biopacemaker uses tiny electroactive 'pacing cells' that can fire on their own and regulate the heart's rhythmi...
Scientists have developed a novel method to measure circadian cycles in human cells, finding large differences between individuals' rhythms. The study used skin samples infected with a fluorescent virus to track circadian gene expression, confirming the human circadian cycle length of 24.5 hours.
A new promoter map has been created to understand how genes are controlled in fibroblasts, providing a framework for analysis of genetic control in other human cell types. The researchers discovered multiple promoters controlling single genes in parallel and found new DNA sequences not previously recognized as genes.
A new study by the University of Pittsburgh Medical Center has found that muscle-derived stem cell cultures can improve leak point pressure and regenerate deficient urethral muscle, even when contaminated with fibroblasts. The research paves the way for a more efficient and effective treatment for urinary incontinence.
A new study suggests that resveratrol in red wine can prevent the excessive production of collagen in heart cells, leading to a stiffening of the heart muscle and reduced blood pumping efficiency. Drinking moderate amounts of red wine may offer protective effects against hypertension and heart failure.
UC Riverside researchers found that cigarette smoke delays the formation of healing tissue and sets the stage for increased scarring. The study, led by Professor Manuela Martins-Green, used doses equivalent to 'first-hand' and 'second-hand' exposure in humans and mice, revealing the negative effects on fibroblasts' structure and function.
Researchers found that individual fibroblasts in rat and mouse tissues exhibit robust, persistent circadian rhythms of clock gene expression for at least 1-2 weeks in culture. This discovery confirms that peripheral tissue clocks are indeed independent and self-sustaining.