Articles tagged with Stem Cell Development
Researchers used a stem cell model to study the effects of Alzheimer's disease-associated mutations on early human brain development, finding that mutant spheres were larger and contained fewer mature neurons. The study highlights the need for tailored therapies and paves the way for studying Alzheimer's in its early stages.
The USC Stem Cell team is developing artificial kidney organoids using human stem cells and synthetic biology. They aim to create a functional kidney that resembles the real thing in function but not in form.
Researchers designed and tested textile fibers that can change shape and generate force like a muscle, showing promise for use as cell scaffolds. The findings suggest the fibers could be used to develop 3D models of living, moving systems in the human body.
Scientists have developed a new method to deliver genetic information to stem cells using nanoparticles coated with a specific polymer, enabling more efficient control over cellular differentiation. This innovation has the potential to improve the efficiency and effectiveness of regenerative medicine treatments.
Researchers have created a novel bioadhesive material to facilitate stem cell transplantation into damaged cartilage. The adhesive, derived from mussel protein and hyaluronic acid, enables the secure encapsulation of stem cells, promoting cartilage regeneration.
Researchers discover that brain cells die from lack of energy when autophagy, a natural cleaning process, malfunctions. Compounds boosting NAD levels can improve neuron survival and combat age-related neurodegeneration.
Scientists have created a detailed map of human spinal cord cell formation, shedding light on how injuries and diseases arise. The study's findings hold promise for developing new therapies for spinal cord injuries and diseases like ALS.
Cedars-Sinai investigators have discovered a novel way to treat amyotrophic lateral sclerosis (ALS) and retinitis pigmentosa using human induced pluripotent stem cells. The new approach uses cells derived from iPSCs that are renewable, scalable, and can delay disease progression in rodents.
Researchers genetically engineered neural progenitor cells to release a neuroprotective protein, preventing neuron death in animal models of ALS and retinal disease. Engineered NPCs successfully preserved vision in rats with retinal disease.
Researchers at the University of Washington School Medicine have engineered stem cells that do not generate dangerous arrhythmias. These 'MEDUSA' cardiomyocytes can engraft in the heart, mature into adult cells and beat in sync with natural pacemaking without generating dangerous heart rates.
Researchers at TUM have developed a method to create mini-hearts in Petri dishes using stem cells. The resulting organoids mimic the earliest stages of human heart development and can be used to investigate congenital heart defects, potentially leading to new treatment methods.
A new study from Tokyo Medical and Dental University sheds light on the neural stem cell niche's composition during development. Researchers found that vascular endothelial growth factor-A (VEGF-A) plays a crucial role in maintaining NSPCs under hypoxic conditions, promoting lower rates of cell death and increased cell proliferation.
A USC-led team of scientists identified the key gene Nr5a2, essential for opening up genome regions that enable neural crest cells to form tendons and salivary glands. Zebrafish and mice lacking this gene exhibited skeletal and tendon defects, as well as failed salivary gland development.
Researchers have developed a new 'hybrid' hydrogel that safely delivers stem cells to damaged brain tissue, repairing injuries in mice. The breakthrough solves a long-standing challenge and paves the way for potential treatments beyond the brain.
Researchers at USC Keck School of Medicine have identified two new avenues for treating diverse forms of ALS by suppressing genes and inhibiting proteins. The findings suggest that targeting SYF2 gene suppression and PIKFYVE kinase inhibition may lead to broadly effective treatments for the disease.
Researchers developed an injectable biomimetic hydrogel composite loaded with stem cells that promotes regenerative healing in animal models of Crohn's perianal fistulas. The treatment reduced fistula size by six-fold compared to surgery, offering a potential new paradigm for treating this condition.
Leif Ludwig's analytical method allows for easier disentanglement of blood cell trajectories, enabling identification of leukemia cell development or degenerative changes. This breakthrough opens up possibility for human medicine to conduct studies in clinical practice and derive therapeutic interventions.
Researchers at Children's Hospital of Philadelphia have developed a custom-built application to automate the determination of engraftment after hematopoietic stem cell transplant. The tool has been shown to improve accuracy of reported engraftments, reducing errors in neutrophil and platelet engraftment reporting.
Researchers have discovered a biological pathway that governs the life and death of stem cells, which may lead to new treatments for cancer and regenerative therapies. By manipulating cell signaling, scientists can normalize the creation of new cells, preventing excessive growth and ensuring proper tissue regeneration.
Collagen deposition at injured sites in the gut stimulates cellular reprogramming, converting mature cells into fetal-like cells to generate new tissue. This process has implications for understanding intestinal inflammation and potentially colorectal carcinogenesis.
Researchers have successfully grown retinal cells from stem cells that can connect with neighboring cells and transmit sensory information like healthy ones. The breakthrough could lead to human clinical trials to treat degenerative eye disorders such as retinitis pigmentosa and age-related macular degeneration.
Researchers have identified a Vegf-Notch signaling system that enables Muller glial cells to regenerate retinal neurons in zebrafish. This discovery may help understand why the human retina does not regenerate and could inform treatments for blindness.
Dr. Miki Ebisuya has developed a unique 'stem cell zoo' with stem cells from various species, allowing for the first systematic analysis of developmental times in humans and other species. This approach enables researchers to investigate biophysical and molecular differences controlling biological time.
A team of Berlin scientists has successfully grown stem cells and mini-brains from Sumatran rhino skin cells, paving the way for potential use in assisted reproduction. The next step is to create sperm cells that may help save the critically endangered species from extinction.
Researchers at the University of Helsinki have identified a promising drug candidate, TYK2 inhibitor, for preventing type 1 diabetes. The study found that inhibiting TYK2 expression reduces the destruction of pancreatic beta cells, but may also reduce beta cell production in earlier stages.
A high-fat diet in pregnant monkeys alters the transcriptional landscape of fetal blood stem cells, leading to a hyperinflammatory response and suppressed B-cell development. The study's findings suggest that maternal obesity may influence fetal bone marrow and immune system development.
Researchers at La Jolla Institute for Immunology discovered a direct link between TET protein loss of function and missing genes in embryonic stem cells, which can lead to cancer growth. The study found that TET proteins are crucial for maintaining genome stability, and their loss results in aneuploidies, a common feature of cancer cells.
Researchers have developed a mouse embryo model using only embryonic stem cells, achieving a high level of developmental stages including beating hearts and brain formation. This advancement opens up new avenues for understanding human pregnancy loss and developing organs in culture.
Researchers at KU Leuven have developed a new model of human extraembryonic mesoderm cells, which closely resemble their natural counterparts in early embryos. This breakthrough enables scientists to study processes previously inaccessible during development.
Researchers at Brigham and Women's Hospital have developed a highly efficient method to generate human kidney cells, including principal and intercalated cell lines. This breakthrough could lead to new therapies for treating congenital abnormalities of the kidney and urinary tract, such as polycystic kidney disease.
Researchers have developed a model mouse embryo that has beating hearts, foundations for a brain, and all the organs in a mouse body. This breakthrough could help understand why some embryos fail and provide insights into repairing synthetic human organs.
Researchers have discovered an alternative route that pluripotent and endoderm extra-embryonic stem cells can use to form intestinal organs in the lab. This finding could lead to improved cell development and potentially treat diseases, but further function testing is needed.
A new platform mimics live cellular environment to guide stem cell differentiation outside the body. Researchers from Chung-Ang University developed a novel platform based on metal-organic frameworks, which offers advantages over conventional methods for in vitro stem cell differentiation.
A Rutgers study analyzing brain stem cells of autism patients found irregularities in early brain development, supporting the concept that ASD arises from poor control of brain cell proliferation. The study discovered that some patients had NPCs producing too many brain cells while others had underproduced cells.
Researchers have developed mini organs that replicate the cervical tissue, allowing for the study of normal physiology, disease development, and infectious processes. The creation of these mini organs, known as organoids, offers new opportunities for personalized medicine, finding new active substances, and modeling diseases.
Scientists have created cilia-free human pluripotent stem cells that exhibit symptoms of ciliopathy, such as polycystic kidney disease. These cells can be used to study the cause of these diseases and guide therapy development.
Scientists have identified a retinoic acid-dependent hemogenic endothelial progenitor from human pluripotent stem cells, enabling the development of transcriptionally similar cells in tissue culture. This breakthrough method brings researchers closer to developing blood-forming stem cells for transfusions and cancer treatments.
A study published in Nature Neuroscience found that hydrocephalus is caused by problems with brain stem cells, not fluid circulation. Genetic analysis identified a key gene mutation, TRIM71, which disrupts neuroepithelial cell development, leading to underdeveloped brains and cerebral cortex compression.
Researchers at Mount Sinai have developed a reproducible method to advance the maturation of human pluripotent stem cell-derived cardiomyocytes, which support heart muscle contraction. The new protocol enables efficient energy generation from both carbohydrates and fatty acids, improving disease modeling and regenerative therapies.
Scientists have successfully produced fully functional pancreatic beta cells from stem cells for the first time, offering a breakthrough in treating type 1 diabetes. The study's findings demonstrate that these stem cell-derived beta cells can regulate insulin secretion and manage glucose metabolism in both cell cultures and mice studies.
Researchers discovered a new human embryonic stem cell population that closely resembles the 8-cell embryo stage, allowing them to map key genomic changes during early development. This model will help advance knowledge of genome activation errors in developmental disorders and embryo loss.
A recent study from Lund University found a previously unknown metabolic switch that regulates blood cell formation, enabling the directed production of natural killer cells for anti-cancer treatment. This discovery has significant implications for immunotherapy and cancer treatment.
Researchers at RIKEN have developed a new retinal transplant technique by engineering human-derived retina sheets to lose bipolar cells, allowing better connections to host retinas and improved responses to light. The technique has shown substantial functional improvement in animal studies and is now poised for human clinical trials.
Researchers from the Crump Lab created a series of atlases to study the molecular decisions of cranial neural crest cells, identifying genetic signs that point to specific destinies. Their findings reveal a new approach to understanding head development and regeneration in vertebrates.
Researchers have revealed mechanisms by which polyps develop into colorectal cancer, setting the stage for improved surveillance utilizing precision medicine. The study found that serrated polyps derive from metaplasia, an abnormal change of cells into non-native tissue.
Researchers identify genetic circuit that senses cell development stage, triggering deactivation of X chromosome. The discovery reveals a division of labor among genetic switches, providing clues for future study on X chromosome inactivation.
The reNEW Center aims to harness therapeutic potential in stem cell medicine for incurable diseases, with a focus on translation and collaboration. Scientists will work together to develop new treatments and therapies.
Researchers grew 'mini-brains' from stem cells of patients with and without schizophrenia, finding reduced gene expression in patient samples that stymied brain cell development. Replacing the missing genes restored normal brain cell production, suggesting a potential target for therapy.
A new study by researchers at Mount Sinai found that a specific gene, HHIP, helps regulate the development of the coronal suture, a fibrous joint that connects the front and middle bone plates. The study showed that embryos with a missing HHIP gene had misshapen skulls and fewer mesenchymal cells separating the bones.
Researchers discovered that blood stem cells use high-energy fatty acids from the body's fat stores to power up their response to infection. This finding could lead to new approaches in treating bacterial infections, particularly in vulnerable and older individuals.
Researchers at University College London discovered that embryonic cells can navigate towards harder regions using chemical and mechanical signals, guiding the formation of facial features. This breakthrough could help prevent birth defects and infant mortality by improving understanding of cell migration mechanisms.
Researchers found that blood stem cells, which are among the smallest cells in the body, lose their ability to perform their normal function — replenishing the body’s blood cells — as they grow larger. However, when the cells were restored to their usual size, they behaved normally again.
A new study led by UMass Amherst nurse researcher Carrie-Ellen Briere investigates the benefits of using fresh breast milk versus stored breast milk for premature infants in the NICU. The research aims to prioritize the use of fresh milk in clinical practice and improve outcomes for vulnerable babies.
A recent study highlights the negative effects of misinformation on stem cell therapies for COVID-19, including exaggerated claims and unregulated sales. The researchers advocate for increased enforcement of laws and regulations to protect patients and promote responsible science communication.
The University of California, Riverside has received a $5 million grant from the California Institute for Regenerative Medicine to train young scientists and physicians in stem cell research. The program, named TRANSCEND, will provide training in broad areas of stem cell biology and regenerative medicine.
Researchers have created a human disease model of FCMD using stem cells from a patient, which successfully mimicked the disorder's brain defects. The study found that a small compound called Mannan-007 can restore αDG glycosylation and reduce FCMD-related defects.
Caltech researchers have developed a technique to build embryo-like structures from human stem cells, opening up new possibilities for studying early human development. The technology can generate large quantities of these structures without the need for donated embryos.
Researchers at Kyushu University successfully reconstitute the ovarian follicle from mouse stem cells, generating functional egg cells and growing viable mice. This breakthrough could lead to new treatments for infertility and help conserve endangered animals through egg cell production.
Aging stem cells in bone marrow lose function due to epigenetic changes that affect bone production. Researchers reverse these changes by adding acetate, rejuvenating the epigenome and improving stem cell activity. This finding holds promise for treating diseases like osteoporosis.
Researchers at KAUST have developed an in vitro model of early human embryogenesis using extended pluripotent stem cells, overcoming ethical concerns. The model, called EPS-blastoids, is a faithful representation of the earliest moments of human development and holds promise for studying developmental defects and regenerative medicine.