Articles tagged with Regenerative Medicine
Researchers identified dormant progenitor cells in skeletal muscle that migrate to fracture sites and become bone-forming cells. Muscle is the main source of these regenerative cells, which can contribute to both normal fracture healing and heterotopic ossification.
A coral-inspired 3D-printed scaffold reprograms immune cells to promote angiogenesis and bone regeneration, shifting macrophages from inflammatory M1 state to reparative M2 state. The scaffold also enhances angiogenesis, new bone formation, and reconstruction of bone defects.
The Marcus Foundation has awarded $28.7 million to advance a clinical trial testing a stem cell-based therapy designed to regenerate damaged heart tissue after a heart attack. Researchers aim to develop approaches that could reduce or eliminate the need for immunosuppressive drugs.
Rice engineers use electrical charge to control therapeutic peptide release from gelatin-based materials, enabling longer-lasting treatments. The study improves peptide retention and reduces initial burst release, offering potential for tailored release profiles in regenerative applications.
Researchers at Institute of Science Tokyo developed strategies to overcome xenophagocytosis, which eliminates living donor cells in interspecies organ generation. By blocking this response, they significantly improved donor cell survival and generated rat pancreas in mice.
Researchers have developed a new biological treatment that targets inflammation-driven scarring after a heart attack, aiming to reduce the risk of heart failure. The treatment uses donated human bone marrow-produced exosomes to dampen inflammation and promote healing.
A new study reveals that lignin can be transformed into a bioactive material that promotes the formation of bone-like minerals while supporting the growth of bone-forming cells. The material also degrades gradually under physiological conditions, making it suitable for scaffolds intended to be replaced by newly formed bone during healing.
JMIR Publications is sponsoring the upcoming BioMedEng26 conference to promote biomedical engineering innovation. The journal JMIR Biomedical Engineering will be highlighted during the event, with Dr. Javad Sarvestan discussing its focus on cutting-edge engineering applications and peer-review process.
Researchers have discovered a hidden network of specialized mesenchymal support cells in the intestine that work together to maintain its inner lining. The study found four distinct populations of cells with unique genetic programs, each occupying specific locations and influencing stem cell activity and immune responses.
University of Oregon researchers engineer molecules and control regenerative cue release to improve healing outcomes for complex injuries. A staggered sequence approach shows better blood vessel regeneration, and the method is being applied to bone healing, muscle repair, and spinal cord regeneration.
Researchers at Technion-Israel Institute of Technology discovered that mature, aged cells can revert into active stem cells that regenerate damaged tissue. This finding challenges the prevailing view on tissue regeneration and implies the possibility of therapies promoting natural healing mechanisms.
A novel therapy targeting the bone marrow microenvironment is shown to accelerate recovery and promote hematopoietic regeneration after injury. Pharmacological activation of YAP/TAZ improves BM niche recovery, enhancing engraftment and white blood cell recovery following HSCT.
Researchers have developed a new tool to screen genes involved in human development at unprecedented scale and speed. The method, using organoids from human pluripotent stem cells, revealed new insights into human brain development, including the role of ZIC2, SOX11, and ZNF521 genes.
Glial cells play critical roles in determining brain recovery after TBI, and researchers have identified ways to selectively modulate their functions. The study highlights the importance of coordinated cellular behavior and suggests that targeting glial responses could lead to effective therapies.
Researchers will study blood samples and environmental exposures over 10 years to identify genetic, environmental, and cellular factors contributing to autoimmune diseases. The goal is to develop prevention strategies and treatments by understanding the earliest biological triggers of SARDs.
Recent studies suggest that p16INK4a+ cells, previously thought to be non-beneficial due to their association with aging, actually contribute to tendon regeneration. These mesenchymal cells produce collagen and factors promoting new blood vessel and nerve growth, crucial for normal tendon function.
Researchers found that CAR3 coordinates bone formation and regeneration by forming a molecular complex with collagen type I alpha 1 and recruiting bone sialoprotein. The study identified CAR3 as a previously unrecognized regulator of osteoblast differentiation, highlighting its potential for treating bone disorders.
Researchers developed an injectable hydrogel combining silk proteins and a kudzu plant compound, achieving complete wound closure within 72 hours. The material's mechanical stability and cell viability exceeded expectations.
Researchers at Institute of Science Tokyo have developed a novel culture system to produce stable, scalable, and low-cost clinical-grade intestinal organoids from patient biopsy samples. The innovative approach uses clinical-grade collagen and synthetic peptides to enhance growth and improve scalability.
A new study from Northwestern University developed a customized video game to help chronic stroke survivors regain lost arm function. After six weeks of therapy, participants showed significant improvement in arm function and daily activities, with scores improving up to 7.8 times that of the control group.
Researchers developed a topical gel formulation with 4-aminopyridine to treat burn wounds, achieving near-complete closure in 21 days. The gel delivers the drug directly to the wound site, avoiding systemic risks associated with prolonged use.
Researchers developed a senolytic therapy using dasatinib and quercetin, which preserved disc structure and reduced inflammation, highlighting JUN signaling as a key pathway. This preclinical study provides evidence for a potential therapeutic strategy to slow disease progression in individuals with genetic susceptibility.
Researchers at Cincinnati Children's Hospital Medical Center have developed a new method to produce large, functional human gut organoids with nerve cells, growing them twice as fast as previous methods. These organoids can now be used for patching damage or restoring diminished functions of the small intestine, stomach, or colon.
A phase 2 clinical trial found that burosumab safely restored normal phosphate levels and improved physical function in patients with severe fibrous dysplasia. Key findings include reduced pain, fatigue, and mobility impairment, as well as significant improvements in children's mobility and independence.
Researchers developed cardiac organoids to address limitations of cell-based therapies in myocardial infarction. These three-dimensional tissue constructs integrate into host tissue, improve cardiac function, and reduce scar size without arrhythmogenic effects.
Scientists at Tufts University and Imperial College London develop a new method to transform silk into high-performance solids that preserve its natural strength. The resulting material is remarkably tough and has exceptional properties similar to wood, while also being transparent to visible light.
A novel antibody, NG101, accelerates the regeneration of damaged spinal cord tissue by neutralizing a protein that blocks nerve fiber growth. This therapy enables new nerve fibers to form functional connections, allowing patients to become more independent and potentially recover arm and hand function.
Researchers developed RegVelo, an AI framework that models cellular dynamics and gene regulation to predict cellular fate decisions. The model traces developmental trajectories and simulates regulatory interactions, providing insights into hidden drivers of development and potential therapeutic targets.
Researchers summarize universal mechanisms of regulatory T cells in solid organ transplantation, enabling durable immune tolerance and reducing rejection. Gene-editing technologies create hypoimmunogenic Tregs for standardized, scalable availability.
Macrophages are among the earliest responders to heart injury, activating an inflammatory program that helps kickstart regeneration. The researchers found that dampening this response specifically in macrophages promotes blood vessel growth and heart muscle cell proliferation, both essential for regeneration.
Researchers studying RNA pollution's impact on aging brains seek to develop therapeutic strategies for neurodegenerative diseases like Alzheimer's. Sanford Burnham Prebys scientist Anne Bang will use advanced robotics to test thousands of compounds.
Researchers have identified a gene, eIF4G2, crucial for keeping adult intestinal stem cells stable and functional. The study reveals that the gene plays a vital role in regulating protein production and maintaining stem cell identity.
Researchers from Lund University successfully harnessed the regenerative capacity of Scandinavian flatworms to accelerate wound healing in human skin models. The study found that signalling molecules from flatworm exosomes increased skin thickness and improved wound healing rates, including accelerated blood vessel regeneration.
The researchers will investigate novel therapies to protect the aging brain from neurodegenerative diseases by eliminating RNA pollution. They will map out signatures of RNA pollution across over 200 cell lines and patient biofluids to understand its effects.
Researchers mapped how Sox9 guides cartilage formation in mouse embryonic limbs, finding that it dynamically targets different genes depending on developmental timing and cell type. The study provides a foundation for understanding skeletal development and may contribute to future research on bone and cartilage diseases.
A team of researchers from Kyoto University has identified multiple types of stromal and secretory cells in the larynx, revealing new insights into vocal fold regeneration. The study's findings provide potential stem cells for treating vocal cord dysfunction and other voice disorders.
Researchers developed a nasal spray that reversibly reduces brain inflammation, restores cellular power plants, and improves memory. The treatment bypasses the brain's protective shield through intranasal delivery, suppressing chronic inflammation and promoting successful brain aging.
Anand Ramamurthi, Lehigh's Peter C. Rossin Professor of Bioengineering and chair of the Department of Bioengineering, has been elected to the AIMBE College of Fellows for his groundbreaking work in regenerative technologies that can repair damaged tissues without surgery. His research aims to develop nonsurgical nanomedicines to treat ...
Researchers found that extracellular vesicles from menstrual blood stromal cells can improve cartilage function and slow tissue degradation, even in older postmenopausal women. Biomimetic scaffolds are being developed to prolong the effects of these particles, offering a potential cell-free therapy for osteoarthritis.
Researchers at Pohang University of Science & Technology discovered a way to prime skin cells for regeneration before injury, enabling rapid and effective healing. This approach, called mosaic partial reprogramming, reshapes surrounding cells and tissue microenvironment to accelerate wound healing.
Researchers discovered that PCGF1 is essential for maintaining H3K27me3 homeostasis during early embryonic development. Its absence leads to dysregulation of pluripotency gene silencing, causing cells to remain in a stem cell-like state and fail to commit to specific lineages.
A team of researchers has achieved a major milestone in developing a new treatment aimed at helping the body repair damaged joints at the source. The experimental treatments have shown promising results in animal models, restoring joint tissue to near-normal levels and significantly reducing pain markers for long periods.
A Waseda University research team developed a nanotube membrane-based injector to directly and reliably manipulate the cytoplasmic composition of living cells. The system successfully transferred cytoplasmic contents, including mitochondria, into target cells with high efficiency and minimal damage.
Researchers from the University of Tokyo successfully developed a high-pressure freezing method that reduces CPA concentration to 20-30% and improves cell viability and metabolic activity. The method holds promise for cryopreservation in regenerative medicine research, with potential applications in drug testing and cell transplantation.
Researchers developed in vitro and in vivo models to track cartilage-to-bone transition, identifying key signaling pathways and transcription factors involved. The study found that some cartilage cells can transition into bone-like cells, challenging the traditional view of bone cell origin.
Scientists have created the first lab-grown oesophagus that safely replaces a full section of the organ and restores normal function in growing animals without immunosuppression. The technology has shown promising results, providing a blueprint for human treatment and offering hope for families affected by life-threatening oesophageal ...
The Terasaki Institute for Biomedical Innovation and UCLA Technology Development Group will co-curate an Advanced Organ and Tissue Repair (AToR) session at LABEST, featuring leading experts in regenerative medicine. The session aims to accelerate the translation of breakthrough technologies into real-world clinical solutions.
Research reveals that TGF-β1 plays a critical role in fibrotic scar tissue formation, limiting neural regeneration and recovery after spinal cord injury. Inhibiting TGF-β1 signaling reduces fibrotic scarring and improves functional recovery.
Stanford researchers have developed a novel 'scaffold-free' approach for treating damaged muscles, enabling the delivery of more healing cells to the traumatized area. The approach uses a custom molding technology to create dense muscle tissue in customizable geometric shapes and sizes, allowing for more effective muscle regeneration.
Researchers at Tufts University and Wyss Institute created neurobots by adding nerve cells to tiny living forms called xenobots, which exhibit complex movements with simple neural networks. The resulting neurobots display unique behaviors and demonstrate the formation of primitive nervous systems.
A new RNA therapy has been developed to enhance the heart's own ability to protect and repair itself after a heart attack. The therapy, which involves injecting particles into the arm, significantly reduced scarring and improved heart function in lab experiments, offering a potential breakthrough for heart patients.
Researchers discovered that tendon stem cells and progenitor cells fail to differentiate into mature, functional cells, instead promoting scar buildup. Immune cells, including macrophages, also play a central role in sustaining fibrosis, creating a self-sustaining environment that is difficult to reverse.
A recent study has shed light on the processes that drive mitochondrial uptake and its benefits for cells. Isolated mitochondria were found to be taken up by mesenchymal stromal cells, enhancing proliferation and cytoprotection, and improving energy metabolism.
A research team from Xi'an Jiaotong University has developed a method to align cells in muscle tissue using electric forces during electrohydrodynamic bioprinting. This breakthrough allows for the creation of living muscle tissues with tightly aligned cells, enabling the production of functional muscle constructs.
Researchers create detailed 3D reconstructions of human liver tissue, comparing healthy and cirrhotic livers, showing dysregulation of metabolite transport, reduced specialized cells, and disruption of vascular networks. The study highlights the importance of understanding organ structure for bioprinting artificial organs.
Researchers explore piezoelectric electrospun fibers that generate crucial electrical signals for tissue engineering and biomedical applications. These "smart" scaffolds have high flexibility, biomimetic structure, and tunable morphology, offering potential for enhanced tissue repair.
Researchers at RCSI have developed an RNA-activated implant that delivers growth-promoting particles to injured nerve cells, encouraging them to regrow after spinal cord injury. The implant helps overcome molecular barriers by silencing a gene called PTEN.
Researchers developed an oxygen-delivering gel to heal chronic wounds that fail to heal for more than a month. The gel conforms to the wound's shape and provides continuous oxygen levels, helping transform nonhealing wounds into normal injuries.
Research reveals that podocytes in aged rats adapt by increasing volume and forming atypical junctions to compensate for loss, while exporting unnecessary cellular components into the extracellular space. The study employed array tomography to elucidate age-related structural changes, shedding light on the mechanisms of aging glomeruli.
Researchers identified ApoE as a systemic inhibitor of bone repair during aging, and showed that blocking its activity can restore bone regeneration and improve fracture healing. The study provides hope for therapies that actively restore regenerative capacity in older patients, reducing nonunion risk and improving recovery.