Articles tagged with Stem Cell Research
Researchers have developed a machine learning framework called dynamo that can predict a cell's path over time, including its fate and genetic changes. The tool uses data from individual cells to create mathematical equations describing the cell's trajectory.
Researchers have developed a personalized dosing regime for anti-thymocyte globulin (ATG) to improve the success of stem cell transplants in children with leukemia. The new approach led to better immune recovery and higher survival rates compared to standard treatment.
A new study reveals that histone H3.3 plays a crucial role in maintaining the balance between self-renewal and differentiation of blood stem cells, leading to abnormalities when deleted. The protein anchors key epigenetic marks at developmental genes and endogenous retroviruses, contributing to an inflammatory response and skewed produ...
Breakthrough research reveals Tuberous Sclerosis Complex arises from human-specific progenitor cells, explaining its pathology. Human-derived cerebral organoid models shed light on complex brain development and potential mechanisms for other diseases.
Researchers at Boston Children's Hospital have developed an organoid platform that identifies drugs that enhance enteroendocrine cell action, potentially reversing diabetes, obesity and gastrointestinal conditions. The system identified three chemicals that drive the formation of EE cells and hormone production.
A recent study by Gladstone Institutes researchers found that mouse stem cells can spontaneously transition from heart cell precursors to brain cell precursors when a specific gene is removed. This discovery upends current understanding of how stem cells differentiate into adult cells and maintain their identity. The study's findings h...
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 discovered that old neurons can block neurogenesis in mice, highlighting excessive senescence as a driving factor behind aging. By destroying senescent cells, the study showed enhanced hippocampal neurogenesis and cognitive function in middle-aged mice.
Scientists have developed a novel CRISPR-Cas3 editor from the bacteria Neisseria lactamica that improves editing efficiency and is more easily produced. The tool enables 50% editing efficiency in stem cells and 95% efficiency in other human cell lines, paving the way for research in genetic diseases and developmental biology.
Researchers at University of Helsinki have developed a faster and more reliable method for converting adult skin cells into pluripotent stem cells, known as induced pluripotent stem cells (iPS). The new technique uses CRISPRa gene-editing and produces high-quality iPS cells with improved accuracy and reliability.
Scientists create artificial liver cells that function like real ones, but excrete less urea, until they induce aquaporin 9, enabling them to break down ammonia into urea. The new model is being used to test OTC chaperones for therapies.
Researchers identified 40 peptide pairs with potential cross-reactivity between BCG vaccination and SARS-CoV-2, offering a new strategy to complement existing COVID-19 vaccines. These peptides can induce T cell responses and INF-γ production, providing long-lasting immunity against viral infections.
Survival rates for adult patients with relapsed acute lymphoblastic leukemia (ALL) after hematopoietic cell transplantation have increased significantly over the past two decades. The two-year overall survival rate rose from 27.8% in 2000-2004 to 54.8% in 2015-2019, despite a significant increase in patient age at relapse.
Researchers have created a human stem cell model of albinism using patient-derived stem cells, allowing for the study of how lack of pigmentation affects retinal development and function. This model will enable high-throughput screening of potential therapies to treat eye conditions associated with albinism.
The European Research Council has awarded Kai Kretzschmar a Starting Grant to systematically characterise oral epithelial stem cells. This will help decipher the mechanisms underlying the diversity of the oral epithelium and its contribution to oral squamous cell carcinomas.
Researchers discovered that human lung stem cells can undergo abnormal differentiation in response to injury from diseases like COVID-19 and pulmonary fibrosis. This aberrant process prevents the restoration of normal lung function, but the study also identified a potential therapeutic target for reversing damage.
Researchers at Cedars-Sinai have identified opportunities to use microgravity in space for large-scale stem cell production, disease modeling, and biofabrication. This could lead to breakthroughs in regenerative medicine and the development of new treatments.
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 at UC Davis Health developed a new treatment that simultaneously blocks IL-6 and TNF cytokines, providing superior protection against acute graft-versus-host-disease severity and mortality. The dual-cytokine blockade approach did not impair beneficial graft-versus-tumor effects.
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.
Researchers developed a dish-based model that replicates the characteristics of dry age-related macular degeneration, allowing them to screen over 1,200 drugs for their ability to slow or halt disease progression. Two drugs, Aminocaproic acid and L745, showed promise in inhibiting key phenotypes associated with AMD.
Researchers at NTU Singapore have developed a new use for e-waste plastics by repurposing them as an alternative to laboratory cell culture containers. The team found that over 95% of human stem cells seeded on e-waste plastics remained healthy after a week, comparable to cells grown on conventional plates.
A team of scientists led by Vimal Selvaraj has developed a way to preserve the genetic diversity of fast-disappearing native cattle breeds using stem cells. This technology could be used to clone extinct breeds or to produce animals with desirable traits, such as disease resistance and extreme weather tolerance.
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.
Microglia, the brain's immune cells, migrate to the retina using blood vessels as pathways and require neurogenesis for colonization. The study provides insights into microglial migration and its implications for neurodegenerative diseases.
Researchers will investigate how cells collect and interpret signals to make differentiation decisions, using live cell imaging and mathematical frameworks. The goal is to reveal the mechanisms behind cells' earliest decisions and improve stem cell fate prediction.
Researchers created a disease map of genes involved in eye disorders, shedding light on how individual cells respond to external factors like injury. The study paves the way for regenerative medicine and cell replacement therapies for eye diseases.
Researchers have discovered molecules that could be candidates for contraceptives or fertility enhancers using human blastoid models. These models also show promise in improving the self-organization of stem cells during IVF procedures.
Researchers have created reconstructable uterus-derived materials (RUMs) to aid in the recovery of damaged uteruses. The materials, which can be formed into different states and shapes, prevent intrauterine adhesion and promote angiogenesis, endometrial regeneration, and muscle collagen rebuilding.
Researchers at the University of Helsinki have developed a method to precisely and rapidly correct genetic alterations in cultured patient cells. The new technique combines two Nobel Prize-winning approaches to produce genetically corrected autologous pluripotent stem cells, paving the way for potential therapeutic applications.
Scientists at Kobe University have successfully generated testosterone-producing Leydig cells from human iPS cells, a significant step towards developing a regenerative medicine treatment for late-onset hypogonadism. The induced cells expressed genes specific to Leydig cells and produced functional testosterone.
A new study reveals that a high-sugar and high-fat diet can disrupt the natural adaptation of the digestive system by accelerating the division and differentiation of intestinal stem cells. This can lead to an increased risk of obesity, type 2 diabetes, and gastrointestinal cancer.
The Lef1 gene is found to suppress the development and growth of colorectal cancer by restricting cancer stem cell niches. Blocking this gene leads to increased tumor stem cell niches and accelerated tumor growth.
Johns Hopkins Medicine researchers have developed a 3D map of blood vessels and stem cells in a mouse skull, revealing previously unknown niches for stem cell residence. The map provides precise locations of blood vessels and stem cells, which could be used to repair wounds and generate new bone tissue.
Researchers produce large quantities of powerful cancer-fighting iNKT cells using stem cell engineering and organoid technology, offering a potential solution for mass-producing an off-the-shelf immune cell therapy. The therapy, which uses hematopoietic stem cell-engineered iNKT cells, has been shown to be effective in killing multiple...
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 study suggests that suppressing the protective mechanisms of rogue blood stem cells can help curb clonal hematopoiesis and prevent leukemia. The researchers used zebrafish with colored 'barcodes' to track the dominance of cancerous clones, revealing a connection between anti-inflammatory genes and resistance to inflammation.
A US study found that businesses selling non-FDA-approved stem cell products grew four-fold in five years, with California, Texas, and Florida leading the nation. Patients spend thousands of dollars on unproven treatments, posing significant risks to their health, while the industry's lack of regulation endangers public health.
Researchers at Mount Sinai have developed a diverse library of well-characterized human induced pluripotent stem cell lines from clinically healthy individuals, offering valuable resources for studying normal human biology, evaluating drug responses, and disease modeling.
Researchers developed a method to image lithium in living cells, finding that neurons from bipolar disorder patients accumulate higher levels of lithium than healthy controls. This new tool could help optimize lithium dosage and improve treatment outcomes for patients with bipolar disorder.
A recent study published in PLOS ONE found that combining copper ions with a drug once used for treating alcoholism kills medulloblastoma cancer cells and prevents new ones from forming. The therapy also curtails the creation of cancer stem cells, which initiate tumor growth and recurrence.
A team of scientists developed a drug-like molecule that can counteract the effects of mutated epigenetic regulators, which are known to drive certain types of cancer. The molecule targets the 'reader' CBX8, which is critical for the proliferation of cancer cells, but more dispensable in healthy cells.
A study to investigate stem cell therapy as a potential treatment for glaucoma, the world's second leading cause of blindness, has received $6.7M in NEI funding. The research team will explore ways to make stem cell-derived neurons survive and integrate into the eye.
A genome-wide screening technique reveals the interrelated activities of genes controlling pluripotency and apoptosis in human embryonic stem cells. The study provides new insights into cancer genetics and a novel approach for regenerative medicine research, enabling the systematic mapping of genetic networks involved in tissue formation.
Scientists from the University of Johannesburg found that shining two lasers on adult stem cells accelerates their transformation into different types of cells. The consecutive irradiation increases proliferation and differentiation under laboratory conditions, paving the way for potential therapies to repair damaged tissues.
Scientists at Lewis Katz School of Medicine discovered that reintroducing the protein LIN28 into adult heart stem cells improves their chances of survival. This breakthrough could lead to new treatments for heart disease using stem cell therapy.
Researchers at University of Cambridge have developed lab-grown mini brains that can mimic the development of motor neurone disease and frontotemporal dementia. The models, grown for up to 340 days, provide valuable insights into early stages of these devastating conditions.
Researchers have made a breakthrough in spermatogonial stem cell research, successfully generating functional sperm cells using primate embryonic stem cells. The study, published in Fertility and Sterility Science, shows promise for future clinical therapies to treat male infertility.
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.
Researchers report that 90% of patients who received gene therapy between 2009 and 2012 remain disease-free, with significant immune system differences observed among those treated. The therapy is most effective in younger children, but further work is needed to achieve high levels of gene correction in all patients.
A USC-led study has improved lizard tail regeneration through stem cell-based therapy, leading to the creation of tails with skeletal and nerve tissue on both sides for the first time in history. This breakthrough informs efforts to improve wound healing in humans, particularly for injuries that don't naturally regenerate.
Researchers from Aarhus University have developed a method to cultivate millions of plasmacytoid dendritic cells, a rare immune cell crucial in fighting diseases. This breakthrough could lead to new treatments for cancers and viral infections, with clinical trials expected within the next few years.
Researchers from Sanford Burnham Prebys have discovered a new source of stem cells that could help treat people living with Alagille syndrome. These 'outside the box' liver stem cells may offer hope for those with the rare genetic disorder, which causes severe liver damage and death.
Researchers at Lund University discovered a previously overlooked part of our DNA that appears to contribute to the development of human and chimpanzee brains. The study found that humans and chimpanzees use a structural variant of DNA in different ways, which plays a significant role in brain evolution.
A new study by University of Pennsylvania researchers uses human gingiva-derived mesenchymal stem cells to guide nerve growth and regeneration, achieving similar results as traditional autograft procedures. The approach has potential for treating larger nerve gaps, including those resulting from oral cancer surgery.
Researchers identified specific mesenchymal stromal cells within the bronchovascular bundle of lungs that play a crucial role in creating scarring through interaction with epithelial cells. These cells are thought to be triggered by immune cell attacks, leading to fibrotic scarring and rejection.
Researchers have discovered the molecular mechanisms behind stem cell rolling in blood vessels, a complex process that slows down cells using long tethers. The findings offer new insights into improving stem cell transplantations and developing treatments for metastasizing cancers.
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.
A team of researchers has identified a cellular mechanism that enables embryonic stem cells to maintain their state as stem cells. The study, published in Cell Reports, reveals the genetic ingredients required for ESCs to decide whether to divide or differentiate.