Articles tagged with Stem Cells
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Researchers have found that Saussurea extract has antimicrobial properties and can speed up bone tissue regeneration. The study suggests using Saussurea to treat bacterial bone infections, which are resistant to antibiotics.
A recent study in Nature sheds new light on heart treatment controversy by showing that stem cell therapy triggers an acute inflammatory response to enhance mechanical properties of injured areas. Injecting living or dead stem cells into the heart's infarct region provides a modest benefit to heart function after a heart attack.
A clinical trial enrolled 10 adults with traumatic spinal cord injuries to receive stem cell injections, with the first patient demonstrating significant improvement in motor and sensory functions. The study's early findings suggest that patient response varies, but the treatment may offer a new option for improving physical function a...
Researchers discovered tendon stem cells that can improve tendon healing and potentially avoid surgery. These stem cells compete with scar tissue precursors, suggesting a therapeutic approach to prevent fibrous scarring.
A study by Stanford University researchers found that omega-3 fatty acids influence stem cell division and fat cell formation. The findings suggest that consuming healthy fats can help regulate body weight and insulin sensitivity.
Researchers at Osaka University have discovered a previously unknown type of RA-causing cell within arthritic joints that could be a target for new treatments. The newly discovered cells, dubbed 'AtoMs', have properties that make them amenable to therapeutic targeting.
By adding amniotic epithelial cells to pancreatic islet clusters, researchers created more robust
Researchers have discovered a new mechanism of antitumor response of Natural Killer (NK) cells in myeloma, utilizing histones. Histones bind to CD138 receptors on myeloma cells, promoting tumor cell aggregation and enhancing the recruitment of T lymphocytes, thereby increasing antitumor activity.
Researchers at EMBL developed a new variant of the Sleeping Beauty transposase with improved biochemical properties, allowing for direct protein delivery and autonomous cell penetration. This breakthrough enables efficient and stable genome modifications in target cells on demand.
Scientists discover molecular coordination tool and specialized lymphatic capillaries that transport immune cells and drain excess fluids from tissues, controlling fluid composition and cell synchronization during hair follicle stem cell activity.
Researchers developed a nondestructive TFM platform allowing for high-throughput cell measurements. The new platform uses a regular array of fluorescent markers to enable zero-stress state measurements, reducing the need for cell removal or relaxation.
Researchers discovered a way to stop the process that allows TB bacillus to infect and hijack blood stem cells using an anti-arthritis drug, Tocilizumab. The study found that this transformation can be halted by administering the drug.
Researchers at TU Wien have developed a new bioprinting process that integrates living cells into fine structures created in a 3D printer, achieving high resolution and speed. This technique allows for the control of cell behavior and growth, enabling studies on tissue development and disease spread.
Researchers discover a new drug that reduces inflammation and improves heart function in genetically inherited heart disease, ACM. The treatment targets the immune system's role in disease progression.
The Southwest Research Institute (SwRI) has received additional funding to develop a novel bioreactor for stem cell and CAR T-cell manufacturing, which could revolutionize personalized regenerative medicine.
Biomedical engineer Tara Deans receives $1.5 million grant to develop alternative platelets that can help stop tumor cells from spreading in the bloodstream. Her lab will engineer platelets with proteins that kill cancer cells, inspired by her friend's diagnosis with blood cancer.
Researchers warn that stem cell therapies for shoulder and elbow injuries have far outpaced supporting scientific data, with many treatments still unproven. The clinical data for these treatments are currently limited, and a greater understanding of optimal formulations and dosing schedules is needed to determine their effectiveness.
Researchers found that protein GAS1 suppresses muscle stem cells' ability to build new muscles and regenerate after injury. Reversing GAS1's effect by using GDNF restores muscle stem cell function and regeneration.
A recent study published in eLife reveals that tapeworm regeneration is dependent on stem cells located near the head. Researchers found that severing the head did not prevent regrowth, but signals from the neck are necessary to activate stem cells.
A study published in JCI Insight found that Apolipoprotein E interferes with bone healing in older individuals, leading to weaker bones and increased risk of re-fracture. Researchers discovered that reducing ApoE levels can reverse aging effects on the bones, promoting faster and more effective healing.
A months-old infant with rare childhood leukemia was treated with sorafenib, a targeted therapy approved for adults with inoperable liver cancer. The patient's unique genetic mutation led to a significant response to the treatment, highlighting the importance of identifying genetic mutations in cancer treatment.
A study of institutional 'report cards' found that although a growing number of women are training in the sciences, they are underrepresented in senior roles and face inadequate policies. The researchers suggest that retaining and promoting women scientists is key to achieving gender parity in STEM.
Researchers have developed an 'Islet-on-a-Chip' device that integrates organ-on-a-chip and stem-cell technologies to screen insulin-producing cells, test insulin-stimulating compounds, and study the fundamental biology of diabetes. The device makes it easier to monitor islet function and study cell therapies for diabetes.
Researchers found that non-cancerous cells in tumor microenvironment regress into stem cell-like state, supporting cancer growth. This 'corruption' of neighboring cells enables cancer to thrive and spread.
Researchers from UCLA School of Dentistry developed a new hydrogel that promotes tissue repair and regeneration, inducing stem cell migration to enhance bone healing. The clay-enhanced hydrogel has a more porous structure, improving its ability to deliver cells to defective areas.
The relaxation of international regenerative medicine regulations can lead to a downward spiral in standards, warns Professor Margaret Sleeboom-Faulkner from the University of Sussex. As countries compete for innovative treatments, efficacy is compromised, and risks increase, making it harder to ensure patient safety.
Researchers have developed a novel method to precisely detect and characterize genes in individual cells, enabling selective enrichment of selected molecules. This approach, called BART-Seq, addresses the challenge of detecting low-abundance gene transcripts and has potential applications in disease diagnosis and precision gene-editing.
Researchers at Harvard have grown simplified organs with fully integrated sensors, offering a rare view into early stages of organ development. The cyborg organoids can monitor the electrophysiological activity of cells for up to 90 days, providing insights into how individual cells interact and synchronize during development.
As people age, the prostate grows, leading to an increased risk for prostate cancer and benign prostatic hyperplasia. A new UCLA study found that older mice have more luminal progenitor cells, which can generate new prostate tissue, helping explain why the prostate tends to grow with age.
Researchers have developed a novel culture method for 3D multicellular spheroids, utilizing a durable superamphiphobic surface. This method enables efficient, safe, and in-situ observation of cell growth, with potential applications in drug screening, stem cell differentiation, and regenerative medicine.
Researchers have found that a combination of heart muscle cells and supportive epicardial cells can improve heart function, allowing transplanted cells to survive longer and restore lost heart tissue. The study offers new hope for treating heart failure with an alternative therapy.
The study found that orthopedic, inflammatory, and pain conditions are the main types of medical conditions treated with stem cells at direct-to-consumer stem cell clinics in the Southwest. The researchers also identified differences in the degree to which listed expertise matches the medical conditions treated with stem cells.
A comprehensive cell atlas of the human liver reveals previously unknown subtypes of liver cells, including hepatocytes, endothelial cells, and macrophages. The study provides unprecedented resolution into liver cell diversity and how it changes during development or upon disease progression.
Researchers discovered that aging factors from neighboring cells, known as Paneth cells, decrease the regenerative potential of intestinal stem cells. Inhibiting these signals, such as Notum, can promote tissue repair and recovery in aged animals.
A new nonlive shingles vaccine reduced shingles episodes by 75% among patients who underwent stem cell transplantation compared to placebo. Long-term protection was not assessed due to study limitations.
Researchers at the University of Bristol have made a world-first discovery by hijacking bacteria's homing ability to guide stem cells to cardiac tissue. The breakthrough could improve treatment for cardiovascular disease, which causes over a quarter of all deaths in the UK.
A team of researchers has identified highly-connected cluster of 'leader' cells in the pancreas that coordinate insulin response and help understand how diabetes develops. By selectively deleting these leader cells, they disrupted the level of coordination in subsequent responses to glucose.
Researchers at HKBU found that Nerve Growth Factor (NGF) promotes intestinal stem cell growth, leading to high serotonin levels and IBS-like symptoms. The study links early life stress to lifelong health consequences, providing new insights into gastrointestinal disease treatment.
Researchers at Harvard University have developed a new platform for rapid single-cell sequencing, combining microfluidics and novel software to scale up single-cell ATAC-seq. This approach enables the analysis of gene control in individual cells, revealing new insights into cell development and disease processes.
Researchers at UNC McAllister Heart Institute develop stable platform to reprogram human fibroblast cells into cardiomyocytes, creating high-resolution molecular roadmap. The approach identifies key genetic facilitators and signaling molecules driving cell fate development, offering new insights into human cardiac reprogramming.
Researchers have developed a process for 3D printing biological tissues without scaffolds using stem cells in a hydrogel bead bath. The printed cells form stable connections and mature into functional tissues, offering potential applications in tissue engineering and regenerative medicine.
Researchers at Children's Hospital Los Angeles are making progress in growing small intestines using stem cells, offering hope for premature babies with severe intestinal issues. The field of tissue engineering holds promise for this population, potentially improving treatment options and quality of life.
Zebrafish have been found to have a type of pigment cell that can transform into another cell type during normal development, challenging the long-held dogma that once a cell has completed its development, it stays that way. This discovery sheds light on how cells differentiate and may hold implications for regenerative medicine.
Researchers at Pohang University of Science & Technology developed an artificial cornea using 3D printing technology, replicating the human corneal structure. The cornea is made from decellularized corneal stroma and stem cells, offering transparency similar to the human cornea.
A proof-of-principle study shows that gold nanoparticles loaded with CRISPR safely and effectively edited blood stem cells in lab models of HIV and inherited blood disorders. The researchers found that the Cas12a protein partner delivered precise genetic edits, which were maintained for eight weeks after injection.
A new study found that exposure to flavored e-cigarette liquids and e-cigarette use exacerbate endothelial cell dysfunction, a key risk factor for heart disease. The researchers observed pro-inflammatory markers and toxic effects on cells from various e-liquids.
Researchers are developing a top-down lithography method to create complex tissues and their anatomical microstructures. This approach uses light sheet illumination and special hydrogels to form branched chain structures that serve as a matrix for cell colonization.
Researchers discovered that low oxygen concentrations provide essential conditions for plant growth, promoting the stability of protein ZPR2 responsible for cell proliferation and differentiation. This finding has significant implications for breeding crop varieties and understanding stem cell maintenance in plants and animals.
Researchers developed a blood test to track transplanted stem cells' effectiveness by analyzing exosomes, tiny cellular components secreted into the recipient's blood. The test showed promising results in repairing damaged heart muscle cells, paving the way for new treatments for various diseases.
The DOSES tool provides standards for describing the characteristics and use of cell therapies, addressing five essential areas. The resulting tool aims to improve standardization and transparency when describing cell therapies.
A new study reveals that the transcription factor KNUCKLES plays a crucial role in terminating floral stem cell activity by initiating epigenetic events. This process involves the suppression of WUSCHEL gene expression, leading to the recruitment of Polycomb Group complexes and the formation of repressive H3K27me3 marks on chromatin.
In Arabidopsis thaliana, the location of proteins within a cell and the position of the cell itself play crucial roles in determining cell type. The study found that ATML1 protein accumulation is inhibited in internal cell layers, leading to epidermal cell differentiation. This post-transcriptional regulation enables plants to form a s...
Researchers developed deformation microscopy to non-invasively probe cell mechanics and understand how physical changes contribute to cell development and disease. The technology reveals intricate structural architectures and dynamic cell deformation, opening new avenues for studying mechanobiology.
Researchers at Tokyo Medical and Dental University use genome editing to create a human stem cell model of congenital hepatic fibrosis, uncovering molecular players that contribute to the illness. They identify IL-8 and CTGF as key genes involved in the disease's progression.
Scientists have found that plant cells adjacent to injured areas re-activate their stem cell programs to produce new cells of the correct type. This process, called 'restorative patterning', allows plants to heal wounds more efficiently.
Researchers found that removing the ATDC gene from pancreatic cells prevented the development of pancreatic cancer in mice. The study identified ATDC as a key player in the reprogramming of adult cells into primitive, high-growth cell types, which can lead to cancer.
Researchers at UBC Okanagan have created an automated encapsulation device that encases cells in microgels, protecting them from physical damage and the immune system. The device enables over 85% of cells to survive and can be scaled up for rapid production of cell-encapsulated microgels.
Scientists develop DNA nanodevice that uses near-infrared light to guide stem cells to wounds, promoting muscle tissue regrowth in mice. The system successfully activated receptors, causing cells to move and grow, with treated mice showing increased signs of regeneration.
A new study reveals that flowering plants employ different genetic strategies to maintain a 'core genetic circuitry' that ensures stem cell function, even in the presence of defects
A clinical trial using mesenchymal stromal cells from patient bone marrow shows significant improvements in pain levels and quality of life for osteoarthritis patients. The study, led by Sowmya Viswanathan and Jaskarndip Chahal, found that higher doses of MSCs resulted in more effective outcomes.