Articles tagged with Tissue Regeneration
Researchers created a bioengineering approach for functional muscle regeneration by combining biochemical signals and topographical cues. The technique improved muscle function restoration in injured rats, with over 80% recovery rate, and integrated well with neural and vascular systems.
A new 3D bioprinting technique uses multicompartmental bioprinting to direct cell orientation within deposited hydrogel fibers. The method provides favorable environments for cell proliferation and morphological cues to guide cell alignment.
New research reveals coral can fight back against juvenile crown of thorns starfish with stinging cells, damaging their arms and delaying growth. The study shows coral's defensive mechanism may not be enough to protect it from other threats like climate change.
A team led by Iain Drummond, Ph.D. has identified the signaling mechanisms underlying podocyte formation, a crucial process in kidney function. The discovery could lead to new therapies to stimulate regeneration of these cells, vital for ridding the body of toxins and treating conditions like chronic kidney disease.
Researchers developed an acellular product, PEP, derived from platelets that heals ischemic wounds by delivering healing messages to cells. The study demonstrates restoration of skin integrity and function in preclinical animal models.
A team of researchers has created the first-ever single-cell atlas of the human teeth, revealing cellular heterogeneity and stem cell populations with great regenerative potential. The study highlights the importance of microenvironmental specificity in functional differences between stem cells in various tooth compartments.
Researchers from Niigata University used 3D imaging to analyze the morphology of the human uterine endometrium and adenomyotic lesions. The study reveals a unique plexus network structure in the basal glands, which is detected in all samples regardless of age or menstrual cycle phase.
Researchers at the University of Georgia have developed a hydrogel, known as 'brain glue,' that mimics the composition and mechanics of the brain. The gel has been shown to protect against loss of brain tissue after severe TBI and may aid in functional neural repair.
Researchers at Nagoya University identified a gene that enables African clawed frog tadpoles to regenerate nerves. Introducing this gene into mice with spinal cord injuries led to partial recovery of motor functions. The study suggests a new therapeutic approach for treating spinal cord injuries.
Harvard researchers identify how chronic stress impairs hair follicle stem cells, leading to delayed regeneration and hair loss. The study found that the stress hormone corticosterone delays stem cell activation, while Gas6 pathway activation promotes hair growth.
A new biomaterial, a boron-loaded alginate hydrogel, has been designed to accelerate muscle regeneration after injury. The hydrogel stimulates integrins, which promotes tissue formation and reduces recovery time by half.
A new study by Kyoto University scientists has shown an antibody for USAG-1 to stimulate tooth growth in mice with congenital tooth agenesis. The antibody, which targets the factor that antagonizes BMP and Wnt signaling, is promising for a potential therapeutic framework for regenerating teeth.
Researchers discovered a powerful approach for treating diabetic foot ulcers by targeting a gene that controls tissue growth and regeneration. The new treatment has shown promising results in animal models and human skin equivalents, and may hold potential for repairing internal organs.
A computational guide to lead cells down desired differentiation paths uses a novel computer-guided design tool to predict effective combinations of transcription factors. The approach significantly increases the efficiency of cell conversions, generating higher numbers of immune cells and skin cells than other methods.
Researchers from Children's Hospital of Philadelphia have determined the process of lung alveolus formation and identified signaling hubs that coordinate cell development. The study provides crucial insights into developing therapies to regenerate critical lung tissue and repair damaged tissue at a cellular level.
Researchers developed injectable porous scaffolds that facilitate faster and better spinal cord healing by mimicking natural tissue. The highly regular pore structure improved cell infiltration, gene delivery, and tissue repair after spinal cord injury.
Purdue researchers developed a regenerative tissue filler that restored breast shape and consistency, supported new breast tissue formation, and prevented wound contraction and scar formation. The filler represents the first planned medical product using innovative collagen polymer technology.
Researchers have developed an injectable hydrogel that could help repair and prevent further damage to the heart muscle after a heart attack. The study found that timely injection of the hydrogel resulted in less fibrosis and an increase in new blood vessels, preserving cardiomyocytes and supporting functional recovery.
Researchers have developed a new method, Cre-Controlled CRISPR, which combines the benefits of the Cre/lox system and CRISPR/Cas9 genetic scissors for conditional gene inactivation. This approach allows for faster and easier gene editing with reduced labor needed to flank genes with lox sequences.
Researchers developed a novel protocol for artificial muscle regeneration using direct cell reprogramming and natural-synthetic hybrid scaffold. The bioengineered muscle fiber constructs showed improved mechanical stiffness, enhanced muscle differentiation, and functional recovery in a mouse model with severe muscle loss.
Researchers at Monash University have discovered a biological process that prevents the human body from regenerating new cells or tissue after birth. By demethylating specific genes, they can reawaken progenitor cells to become insulin-producing beta cells, offering a potential breakthrough for treating Type 1 and Type 2 diabetes.
Researchers at JAIST and RIKEN identify COOH-PLL as an effective cryoprotectant that prevents cellular damage during freezing. The team uses NMR spectroscopy to characterize the molecule's behavior, enabling the design of new polymeric cryoprotectants.
Researchers from Osaka University successfully generated functional conjunctival tissue in a dish, enabling the study of conjunctivae and the development of novel drugs for dry eye disease. The newly formed tissue contained goblet cells that produce mucins, mimicking human conjunctival biology.
Researchers have mapped the origins of the embryonic mouse heart at single-cell resolution, identifying a pool of progenitor cells that form heart muscle cells and the early epicardium. This understanding could improve regenerative heart therapies and inform congenital heart defect research.
A new study published in The American Journal of Pathology reports that neutralizing tumor necrosis factor (TNF) can prevent rejection and tissue injury after cell transplantation, improving graft survival and regenerative medicine outcomes. TNF is identified as a master switch for orchestrating cytokines and inflammatory signals.
A recent study by Brazilian researcher Emmanuel Albuquerque de Souza shows that maresin and resolvin produced from omega-3 fatty acids can stimulate periodontal ligament stem cells even in the presence of inflammation. This finding has significant implications for regenerative therapy in treating periodontal disease.
Researchers at Aalto University have developed a technique to guide bacterial colonies into creating highly customized three-dimensional objects made of nanocellulose. The objects show great potential for medical use, including supporting tissue regeneration and replacing damaged organs.
A new hydrogel biomaterial triggers an adaptive immune response, leading to improved tissue repair and stronger healed skin. The material, developed at Duke University, demonstrates a regenerative immune response that can potentially heal skin injuries like burns and cuts more effectively than current wound-healing hydrogels.
Researchers at Helmholtz Munich have found a promising therapeutic approach against COPD by blocking lung epithelial cell death and triggering tissue regeneration. The novel treatment targets the lymphotoxin beta receptor signaling pathway, leading to improved lung function and reduced comorbidities.
Scientists at IST Austria identified a molecular compass that perceives auxin concentration and allows cells to synchronize their behavior for coordinated vein formation and regeneration. This phenomenon also applies to wound healing, enabling the growth of more mechanically resistant plants.
Researchers have developed a device inspired by an octopus's sucker that can transfer thin, delicate tissue grafts and biosensors quickly and safely. The device uses a temperature-responsive hydrogel to create suction, allowing for rapid handling of fragile materials.
A study by the University of Jena found that a toxic substance from Staphylococcus aureus stimulates immune cells to produce anti-inflammatory messenger substances, reducing inflammation and promoting tissue healing. The researchers also demonstrated that these substances promote tissue regeneration in an animal model.
A bioceramic scaffold promotes bone regeneration and repair large bone defects without the need for bone grafts. The study found that the bioceramic converted into well-vascularized bone tissue with a structure similar to native bone.
A research team at Pohang University of Science & Technology has developed a technology that allows for the rapid harvesting of human bone marrow-derived mesenchymal stem cell sheets using poly(N-isopropylacrylamide) (PNIPAAm) nanotopography. This breakthrough reduces the harvest time from one week to just two days, making it possible ...
Researchers in China and Switzerland created biodegradable electronic blood vessels that can be actively tuned to address body changes after implantation. These flexible vessels mimic natural blood vessels and demonstrate promise as surrogate arteries in rabbits.
Researchers at the University of Washington and Rice University are working on a novel technology that uses thermofluidic systems to manipulate gene expression in cells within 3D artificial organs. This could lead to the creation of functional artificial liver tissues that can be used for studying disease and developing new treatments.
A new study by SISSA and the University of Trieste shows that carbon nanotube implants can restore motor functions in animals with spinal injuries. The research reveals nerve fibre regrowth and promotes recovery through mechanical and electric properties of regenerative scaffolds.
A study by Children's Hospital of Philadelphia researchers has identified a cellular pathway that can be targeted with a naturally occurring drug to stimulate lung tissue regeneration. The findings could lead to better therapies for patients with lung diseases, including acute respiratory distress syndrome (ARDS) due to COVID-19.
Researchers aim to determine if cellular mechanisms responsible for regenerating tendons in axolotls also apply to human tendon injuries. The study will explore the role of fibroblasts and extracellular matrix in tendon healing.
Researchers at EPFL create miniature intestines using stem cells and hydrogel scaffolds, achieving high physiological relevance. The new organoids can regenerate, model inflammatory processes, and host-microbe interactions, opening up exciting perspectives for disease modeling, drug discovery, diagnostics, and regenerative medicine.
Researchers discover that West African lungfish can regenerate lost tails using similar molecular mechanisms as amphibians, suggesting a common ancestor possessed this trait. The study provides new insights into the evolutionary origin of tail regeneration and offers potential opportunities for regenerative medicine.
Researchers found that Nicotiana promotes tissue adhesion and maintains grafts with a broad range of species. The study successfully grafted a tomato scion onto a Florist's daisy rootstock, producing a small fruit.
A newly developed oxygen-releasing bioink has been shown to enhance the ability of implanted cells to grow and regenerate new tissue. The bioink was tested extensively to optimize its properties, delivering oxygen to cells in tissue constructs for the necessary period for blood vessels to develop fully.
Researchers at the University of Bayreuth have developed new biomaterials based on spider silk proteins that prevent colonization by bacteria and fungi, while also aiding human tissue regeneration. These nanostructured materials are ideal for implants, wound dressings, and other medical devices.
The study developed a composite material that can be used for regenerating bone tissue, comprising a scaffold made of fibroin and loaded with magnetic nanoparticles. The material stimulates cell growth and differentiation when exposed to a magnetic field, mimicking the cellular microenvironment.
Researchers at Wake Forest Institute for Regenerative Medicine have developed an optimized cellular platform for delivering Factor 8 to treat patients with hemophilia A. The new approach uses human placental cells to produce therapeutic levels of Factor 8, potentially providing a long-term correction for the disease.
A new imaging technique, DEEP-Clear, developed by MDI Biological Laboratory scientist Prayag Murawala enables unprecedented insight into subcellular structures and tissues. The method expands the range of animal models that can be studied, processes that can be explored, and biological questions that can be addressed.
Researchers are developing biomaterials to boost the body's natural healing process, with two approaches: incorporating cells or designing materials to stimulate cellular response. This can lead to improved success rates in tissue regeneration, reducing regulatory barriers and increasing available options.
Scientists have developed a method to culture human pancreatic slices for nearly two weeks, allowing them to study the regeneration of insulin-producing beta cells. The discovery has important therapeutic implications for treating diabetes.
Scientists have developed a device that can manipulate and measure cells' movements in response to electric fields, enabling new possibilities for tissue engineering. The SCHEEPDOG system allows researchers to program complex cell maneuvers, such as full circles, with thousands of neighboring cells executing on command.
A new study suggests that plasma exchange can rejuvenate tissues and reverse signs of aging in mice by diluting old blood plasma. The technique shows promise for improving health in older people and treating age-associated diseases. Researchers are now finalizing clinical trials to explore its potential in humans.
Researchers have created a technology to print tissues directly in the body, using a specially-formulated bio-ink that can be crosslinked safely using visible light. This breakthrough enables minimally-invasive laparoscopic options for tissue repair and engineering, saving time and cost.
Researchers from Nanjing University and University of Macau successfully transformed a mouse's spleen into a fully functional liver, overcoming key challenges in tissue engineering. The innovative approach could potentially provide a new solution for patients with end-stage organ failures due to limited donor availability.
Researchers from SUTD and NTU developed insightful analyses of in vitro skeletal muscle tissue models, reviewing state-of-the-art bioengineering approaches for mimicking skeletal muscle tissues. Despite progress, challenges remain in replicating native muscle functionality, including proper innervation and vascularization.
University of Arkansas researchers are working on a therapeutic drug that can regenerate heart tissue and prevent myocardial infarction. The project aims to improve current methods of controlled release by targeting specific biochemical events during heart failure.
Researchers have found that reprogrammed stem cells between days 15 and 28 of maturation can successfully restore heart tissue. This 'window of opportunity' makes it possible to use stem cells that the body recognizes as its own, allowing for more effective regenerative medicine.
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.
Researchers identified a novel strategy to address underlying causes of LAD1 patients' symptoms by mimicking the efferocytosis process, which was absent in these individuals. The study found that small-molecule compounds that stimulate this process alleviated signs of inflammation and promoted bone regeneration in animal models.
Researchers at CU School of Medicine have discovered that precise motor learning stimulates cellular processes to improve recovery after nerve cell damage. The study found that mature oligodendrocytes can contribute to repairing the nervous system by generating new myelin sheaths.
Researchers at Temple University Health System use Lin28 to fuel axon regrowth in mice with spinal cord injury or optic nerve damage, enabling repair of the body's communication grid. The study shows significant improvements in coordination and sensation after Lin28 treatment.