Articles tagged with Pluripotent Stem Cells
A team of researchers has developed a system that predicts how to create any human cell type from another, eliminating the need for trial and error. This breakthrough has significant implications for treating various medical conditions and diseases.
Researchers from the University of Helsinki found that the donor's genotype determines the differentiation behavior of iPS cells, regardless of the original cell type. This discovery has significant implications for biobanking and medical research, enabling the use of diverse donor samples to study genetic variations.
Human pluripotent stem cells have been shown to develop normally when transplanted into an embryo, offering new hope for regenerative medicine treatments. The study provides strong evidence that stem cells are likely to be safe and effective for treating serious conditions like heart disease and Parkinson's disease.
A study found that combining bacterial protein Skp with small molecules can convert pluripotent cells into functional neurons. The research used Sox2 and Skp to initiate differentiation, followed by the use of neurodazine to direct lineage-specific commitment.
Researchers discovered that changes in metabolites can distinguish between naive and primed pluripotent cells, enabling the use of embryonic stem cells to grow new tissues and organs. The study also found that manipulating metabolite levels could stabilize cell fate in treating common disorders.
The study maps gene expression during early development of mice and common marmosets, pinpointing changes that regulate pluripotency. The complex network of gene regulation supporting pluripotency is analyzed, with implications for cell reprogramming and assisted conception.
The New York Stem Cell Foundation has awarded $7.5 million to five researchers through the NYSCF -- Robertson Investigator Program, supporting innovative work in stem cell biology and neuroscience. The recipients aim to advance our understanding of cellular processes and develop new treatments for diseases.
Researchers discovered 16 RNA-binding proteins whose depletion affects stem cell pluripotency and identified six RBPs making up the critical protein complex called small subunit processome (SSUP). Enhanced translational activity is crucial for ESC maintenance, while precise regulation of translation rates may influence stem cell determ...
A group of scientists from seven international laboratories failed to replicate the STAP study, which claimed to turn ordinary cells into pluripotent stem cells. Computational analysis revealed significant genomic inconsistencies, including different genders and mixtures of embryonic and placental stem cells in some experiments.
A CNIO team has identified the origin of damage to induced pluripotent stem cells and developed strategies to reduce it, resulting in cells with less damage to their genome. This breakthrough improves the safety of iPS cells for use in biomedicine, potentially treating cardiovascular diseases, diabetes, and neurodegenerative disorders.
Researchers from INSERM have successfully induced totipotent cells, capable of producing an entire embryo and placenta, in collaboration with the Max Planck Institute. The team discovered that down-regulating a protein complex called CAF1 leads to chromatin reprogramming into a less condensed state.
Researchers at the University of Nottingham have created a fully synthetic substrate to grow billions of human pluripotent stem cells. This breakthrough could lead to the creation of 'stem cell factories' for clinical use in treating heart, liver and brain conditions.
Researchers at the University of Freiburg have identified a key signal molecule involved in controlling plant stem cell activity. The discovery sheds light on how plants regulate stem cell growth in response to environmental signals.
Researchers have identified a mechanism by which stem cells choose to become specific cell types, such as liver and pancreas cells. This discovery could lead to better understanding of how to generate insulin-producing cells in the lab for Type I diabetes therapy.
Researchers found neural crest cells and early pluripotent cells share similar genetic expression patterns, suggesting a subset of blastula cells may have retained activity for pluripotency. This discovery could be useful in regenerative medicine and understanding human diseases.
Researchers used super-resolution microscopy to visualize genome packaging and found that nucleosomes are assembled in irregular groups across the chromatin. This study reveals a link between genome packaging and cell pluripotency, with more pluripotent stem cells having less dense nucleosome clutches.
A new study at The Scripps Research Institute shows that certain stem cell culture conditions can reduce DNA mutations. Researchers developed a method using feeder cells and manual passaging to minimize genetic instability.
Researchers at the University of Minnesota Academic Health Center have developed a new reporter system to study bone regeneration potential in human embryonic stem cells. The system allows for better monitoring of cell properties and may lead to the creation of new therapies for diseases such as leukemia or genetic blood disorders.
Scientists developed a method to induce human hair growth using pluripotent stem cells, providing an unlimited source of cells for transplantation and improving upon existing methods. The research team successfully coaxed human pluripotent stem cells to become dermal papilla cells, which regulate hair-follicle formation and growth cycle.
Researchers have identified new ways to regulate and control the growth of various cell and tissue types by analyzing individual stem cells' genetic makeup. The findings reveal a complex
Scientists at McMaster University have discovered that human induced pluripotent stem cells retain a memory of their original tissue type, allowing for more targeted regeneration and therapy development. This breakthrough challenges the conventional thought that any pluripotent human stem cell can be used to generate mature tissue cells.
Scientists at Stanford University School of Medicine and colleagues have discovered a previously unknown immune response to the mitochondria of pluripotent stem cells created through nuclear transfer, which can prompt rejection in mice. This finding may pose a hurdle for using such therapies in humans, but it is considered surmountable.
A study by Stanford University School of Medicine researchers reveals that the protein retinoblastoma, a known tumor suppressor, also inhibits the vital property of pluripotency in stem cells. This finding provides a direct molecular link between cancer and stem cell science.
Researchers at INSERM have developed an innovative approach to produce human motor neurons from stem cells in just 14 days, nearly twice as fast as before. This breakthrough could lead to rapid progress in understanding and treating diseases like infantile spinal muscular amyotrophy and ALS.
Researchers at Cincinnati Children's Hospital Medical Center successfully generated functional human stomach tissue in a laboratory using pluripotent stem cells. This breakthrough enables the study of stomach development and diseases, including cancer and diabetes.
Researchers at Hebrew University develop a new cocktail of genes to coax adult cells into pluripotent stem cells, producing high-quality results. The new approach improves upon existing methods by reducing genetic abnormalities and increasing the proportion of successful cell reprogramming.
A team of researchers from the Centre for Genomic Regulation in Barcelona has identified a key protein involved in stem cell reprogramming, Nanog. The study reveals how Nanog works with another protein, beta-catenin, to maintain stem cells in a pluripotent state.
A study published in Scientific Reports reveals that CCL2 can activate the JAK/STAT pathway and increase stem cell colony attachment, differentiation efficiency, and X chromosome reactivation. The researchers also found higher expression of genes related to hypoxic response, suggesting a potential link between cellular stress and pluri...
A time-lapse study reveals three major bottlenecks restricting the formation of colonies in human embryonic stem cells, including survival after plating and cell death after division. The research could lead to improved use of these cells in regenerative medicine.
Scientists at the Centre for Genomic Regulation have made a breakthrough in understanding cell reprogramming by identifying the crucial role of the Wnt signaling pathway. By inhibiting this pathway, they increased the efficiency of the process and obtained more pluripotent cells.
Researchers have successfully reprogrammed adult patient cells into pluripotent stem cells using nuclear transfer, a breakthrough that could lead to personalized genetic therapy and cell replacement.
Researchers at NYSCF and Columbia University Medical Center have successfully created the first disease-specific human embryonic stem cell line using somatic cell nuclear transfer (SCNT). The achievement marks a major step towards developing personalized cell therapies for life-threatening diseases like type 1 diabetes. By reprogrammin...
Researchers have discovered that retrotransposons, or viral elements incorporated into the human genome, are essential for maintaining the ability of stem cells to differentiate into many different types of body cells. The study found that degrading these transcripts causes iPS cells to lose their pluripotency and differentiate.
Researchers have identified the Brg1 protein as a key regulator of genes involved in maintaining embryonic stem cell pluripotency. This discovery has important implications for cellular reprogramming technologies, including methods to reprogram adult somatic cells.
Yale researchers discovered that accelerating cell cycle speed reduces barriers to changing a cell's fate, allowing for pluripotent cells to be created more efficiently. The study found that cells with faster cycles can become multiple cell types, whereas slower cycles remain in their original state.
Researchers at Monash University have isolated muscle precursor cells from pluripotent stem cells using a purification technique, allowing them to differentiate into muscle cells. This breakthrough could lead to the development of new treatments for degenerative diseases such as Muscular Dystrophy and Parkinson's disease.
Bioengineers at the University of California, Berkeley, have shown that physical cues can replace certain chemicals when nudging mature cells back to a pluripotent stage. The researchers found a four-fold increase in the number of cells that reverted back to an embryonic-like state compared with cells grown on a flat surface.
Scientists at A*STAR's Genome Institute of Singapore have discovered a protein mediator SON plays a critical role in the health and proper functioning of human embryonic stem cells. The study found that splicing factors, including SON, are key regulators of hESC maintenance.
Researchers developed an efficient way to target and repair defective genes using a novel technique that simplifies previous methods. This breakthrough enables the potential to repair genetic defects responsible for diseases like breast cancer, Parkinson's, and others, opening doors for meaningful therapeutic applications.
Despite claims of their existence, Stanford researchers failed to identify pluripotent 'embryonic-like' cells in the bone marrow of adult mice. The study's findings contradict previous research and highlight the need for rigorous validation of scientific results.
Researchers at the Salk Institute have developed a more versatile method for creating induced pluripotent stem cells (iPSCs), which can be tailored to individual patients. By adjusting the balance of genes required for differentiation, scientists can create iPSCs with greater flexibility and potential for clinical application.
Researchers from the University of Toronto have identified key proteins that control pluripotency, a crucial step in producing induced pluripotent stem cells (iPSCs) for research and therapy. The discovery could lead to a more efficient production method for these cells, which can develop into many different cell types.
Researchers found that Nanog is expressed similarly to other pluripotency markers, contradicting previous findings. This discovery could lead to reconsideration of the role of Nanog in differentiating embryonic stem cells.
CNIO researchers discovered a new gene called TRF1 that plays a vital role in nuclear reprogramming. This discovery is crucial for understanding the mechanisms of cell differentiation and regeneration, and may lead to breakthroughs in regenerative medicine.
Researchers developed a three-dimensional human heart muscle patch that conducts electricity like natural tissue and 'squeezes' appropriately. This advancement could be used to treat heart attack patients or test new medications.
Scientists at the University of Edinburgh made a fundamental discovery about how embryonic stem cells renew and increase in number. Reducing the levels of protein Oct 4 enables pluripotent stem cells to self-renew more efficiently.
A UCLA study identified a small molecule that destroys 'problem' pluripotent stem cells, which can develop into unintended cell types. MitoBloCK-6 causes these cells to die by triggering apoptosis, leaving only differentiated cells behind.
U of M researchers have successfully generated stem cells capable of muscle regeneration using induced pluripotent stem cell technology and genetic correction. The approach has shown promise in treating muscular dystrophy, paving the way for testing in reprogrammed human pluripotent cells.
Scientists describe key details about the structure of transcription factor Oct4, crucial for cellular reprogramming. The study's findings may pave the way for medical applications in regenerative medicine and drug discovery.
Researchers at Monash University successfully derived and purified lens epithelium, paving the way for testing new drugs on human tissue. The breakthrough could lead to cures for congenital sight impairment caused by lens damage, particularly in developing countries.
Researchers at MIT have created a device that can deliver RNA, proteins and nanoparticles through cell membranes by deforming cells. The technique has shown success in delivering reprogramming proteins and generating induced pluripotent stem cells with improved efficiency compared to existing methods.
A study by UMass Chan Medical School scientists has discovered that the retrovirus HERV-H is extremely active in human embryonic stem cells, making up to 2% of total RNA. This finding may aid in the development of induced pluripotent stem cell technology and transform current stem cell therapies.
Researchers at the Salk Institute developed a new technique called indirect lineage conversion (ILC), which allows for faster and safer production of stem cells. ILC reduces production time by over half, from two months to two weeks, and increases cell yields, making it a promising step towards regenerative medicine therapies.
Researchers at Stanford University School of Medicine have devised an efficient and safer way to make induced pluripotent stem cells by using just proteins that encode genes. The study identifies a critical component in how these cells transform, which could pave the way for their use in humans.
Researchers at Whitehead Institute identified four genetic markers that predict pluripotency in single cells, allowing for more efficient reprogramming. The team also discovered six new combinations of factors that activate Sox2, leading to full reprogramming and potentially healthier iPSCs.
Researchers at Hebrew University of Jerusalem identified mechanisms allowing embryonic stem cells to become any cell type by examining epigenetic pathways and chromatin structure. This discovery could lead to the creation of cells in labs for treating Alzheimer's, Parkinson's, and other degenerative diseases.
Scientists have reprogrammed amniotic fluid cells into a more versatile state similar to embryonic stem cells. The findings suggest that stem cells derived from donated amniotic fluid could be stored in banks and used for therapies, providing a viable alternative to the limited embryonic stem cells currently available.
Researchers discovered dynamic changes in gene regulation in human stem cells, affecting their ability to serve as models for human disease and development. The study found that these cells can change their epigenomes, leading to unexpected outcomes in cell-based models of diseases like Lesch-Nyhan disease.
Researchers at the University of Bonn have developed a method to convert skin and umbilical cord cells directly into nerve cells with high efficiency. The scientists achieved this by using small molecules to optimize signaling pathways and simplify the process, resulting in up to 80% human neurons being produced.
A new approach to lung tissue development could provide a virtually limitless supply of donor lungs while avoiding rejection. The method involves decellularizing an organ and recellularizing it with stem cells from the recipient, potentially overcoming the need for donor organs.