A collaborative study from the International Stem Cell Initiative analyzed human pluripotent stem cells' genetic stability and found that 75% remained normal after prolonged culture. However, researchers detected genetic changes similar to those seen in human cancers, highlighting the need for detecting and eliminating abnormal cells.
Researchers studied hematopoietic stem cells in healthy young and elderly individuals, finding that older stem cells produce fewer lymphocytes and more myeloid cells. This bias may lead to inadequate immune responses and increased risk of blood cancers.
Researchers at the University of Pennsylvania School of Medicine have discovered that two types of intestinal stem cells are related and can produce each other. This finding suggests that developmental pathways in human organs that regenerate quickly may be more flexible than previously appreciated.
Researchers at the University of Texas Health Science Center have discovered that old stem cells can be rejuvenated by being placed in a young microenvironment. This could lead to personal stem cell banks treating age-related diseases, with the potential for regular rescue and infusion.
Research reveals VEGF's crucial role in regulating skin cancer stem cells, which are key to sustaining tumor growth. The study also identifies Neuropilin 1 as a critical receptor in this process, highlighting new targets for cancer therapy.
Professor Peter J. Coffey's pioneering stem cell research aims to replace damaged retinal pigment epithelium cells in Age-Related Macular Degeneration. Clinical trials using his therapy are expected to begin in 2012, offering hope for preventing blindness and restoring sight.
Researchers developed a new method for reprogramming human cells into stem cells, increasing efficiency by 100-fold and producing high-quality cells faster. This breakthrough has potential applications in medicine, such as organ replacement, bone replacement, and treatment of neurodegenerative diseases.
Researchers found Sox2 expression in various adult tissues, including stomach, testes, and cervix, confirming its status as a widespread marker of adult stem cells. These cells can give rise to all mature cell types in their respective tissues.
Researchers successfully grafted deciduous canine teeth and dental pulp stem cells into parent canines, demonstrating bone regeneration after four weeks. The study found increased immunosuppressive activity of these stem cells, paving the way for potential clinical applications in allogenic in vivo stem cell transplantation.
Researchers have shown they can reverse the aging process for human adult stem cells, which are responsible for helping old or damaged tissues regenerate. The study found that suppressing the accumulation of toxic transcripts from retrotransposons allows for rejuvenation and resetting of 'aged' human stem cells.
Researchers successfully expanded hematopoietic stem cells a hundredfold by understanding the molecular mechanisms of self-renewal. The study reveals that proliferation, suppression of differentiation and programmed cell death are required for self-renewal.
Researchers at Yale University have successfully converted uterine stem cells into insulin-producing cells, which could lead to the development of a new treatment for Type 1 diabetes. The study found that these stem cells can adopt the characteristics of beta cells in the pancreas and produce insulin in response to glucose.
Researchers from Lund University have developed a method using ultrasound to improve the quality of transplanted blood stem cells. This improvement could lead to better treatment outcomes and reduced risk of graft-versus-host disease and infections.
Researchers at UCLA found that brain cancer stem cells can change their metabolic state from glycolysis to oxidative phosphorylation, allowing them to evade treatment. This unique ability makes glioma stem cells resistant to conventional treatments, highlighting the need for new therapies targeting these cells specifically.
Researchers identified a protein that helps maintain mouse stem cell pluripotency by activating signal pathways via CC chemokine ligand 2 (CCL2). This finding offers insights into cultivating human iPS/ES cells without feeder cells, reducing the risk of contamination and health risks.
Researchers have found that acute myeloid leukemia (AML) contains rare cancer stem cells (LSCs) with unique properties that can predict clinical outcome. The LSC signature can identify patients who may benefit from more aggressive therapy, enabling personalized treatment approaches.
Scientists describe an advance in encouraging stem cells to make decisions about their fate using chemically defined surfaces. This technology holds promise for regenerative medicine, including growing organs for transplants and tissues for treating diseases.
Researchers have discovered that human amniotic fluid-derived stem cells (hAECs) can differentiate into various cell types, including those found in the lungs. Transplanted hAECs were shown to reduce pulmonary fibrosis and enhance lung regeneration in animal models of lung disease.
Researchers at Tel Aviv University have discovered that oral mucosa stem cells can be manipulated into fetal-like stem cells with high therapeutic potential for treating neurodegenerative, heart, and autoimmune diseases. The cells can be derived from a small biopsy of tissue and show minimal discomfort and healing time.
Researchers found that human embryonic stem cell-derived cells bear striking differences from human tissue cells in gene expression, functionality, and appearance. The cells' developmental maturity is also a concern, particularly for transplantation and disease modeling, as they may not mature to the same levels as adult cells.
Researchers at Stanford University School of Medicine have developed a way to remove pluripotent human embryonic stem cells from their progeny before transplanted into patients. The technique uses antibodies to recognize and bind to only pluripotent cells, eliminating the risk of teratomas.
Researchers investigated potential effects of G-CSF on chromosomes in healthy PBSC donors and found no replication asynchrony or atypical abnormalities. The study concludes that G-CSF mobilization process is safe for healthy stem cell donors, supporting its use in transplants.
UT Southwestern researchers have found a way to regulate adult blood stem cells to overcome an immune response that leads to transplant rejection. The study successfully supports human and mouse blood stem cells through culture, enabling significant repopulation of healthy cells in rodent recipients.
Researchers at the University of Michigan Comprehensive Cancer Center have found that mesenchymal stem cells, normally used for wound healing, are recruited by cancer stem cells to fuel ovarian cancer growth. By blocking this process with a protein called BMP2, researchers may have discovered a potential therapy for ovarian cancer.
Scientists at the Salk Institute developed a new technique to generate large numbers of blood cells from patient cells, improving efficiency by 84% compared to previous methods. However, further refinements are needed to produce transplantable HSCs.
Researchers at Duke University Medical Center discovered that neighboring ependymal cells maintain a structure that keeps neural stem cells
Researchers have discovered an enzyme in glioblastoma stem cells that allows them to grow and seed tumors. Unlike normal stem cells, these enzymes are not shared, making them a potential target for therapy. The study found that inhibiting this pathway slows the growth of brain tumors in mice, offering hope for improved treatment options.
Human stem cells can be directed to specific cell types through molecular cues, enabling more efficient tissue regeneration. Researchers found that pluripotent stem cells have unique 'suitcases' for different destinations, increasing specialized cell production.
Researchers at Salk Institute use genetically embedded tools to study neural stem cell differentiation and protein activity in brain cells. The technique, described in a recent study, may aid in the development of regenerative medicine and help scientists understand the mysteries of stem cells.
Researchers isolate a single human blood stem cell capable of regenerating the entire blood system, offering a breakthrough for treating cancer and other diseases. The discovery enables the harnessing of these life-producing cells to treat patients more effectively.
Researchers have successfully reprogrammed adult body cells into iPS cells, which can be taken directly from each patient and genetically redirected to replace ailing cells. While iPS technology holds promise, it still faces challenges and is not yet ready for widespread use.
A Johns Hopkins team discovered that a single brain stem cell can replace itself and generate specialized neurons and glia. They also found that these cells can amplify, producing two new stem cells like themselves.
New research reveals adult stem cells have distinct epigenetic marks that prevent them from differentiating, which are lost over time. This study provides insights into the mechanisms of epigenetics and its role in regulating stem cell behavior, with potential applications in tissue degenerative disorders.
Scientists at the University of Texas Health Science Center have identified a marker on the surface of adipose stem cells that produce white adipose tissue, a key contributor to obesity. The researchers developed a peptide probe targeting this marker, which may help deliver drugs to slow fat expansion and aid in weight loss efforts.
New research controls stem cell development to direct desired cell types, enabling efficient diagnostics and regenerative medicine therapies. The study's findings could be used to develop manufacturing procedures for producing large quantities of stem cells.
Researchers at NYU Langone Health discovered that Wnt signaling, a biological process controlling many processes, is essential for coordinated actions of hair follicle stem cells and melanocyte stem cells. This study suggests manipulating Wnt signaling may be a novel strategy to target graying hair.
Researchers found that studying both types of stem cells has become more common, with a growing proportion of papers combining adult and embryonic stem cells. This means that banning either type of research could harm the field overall. The study suggests that federal funding for one area could negatively impact the other.
A new study by researchers at Stanford University School of Medicine and others found that curtailing human embryonic stem cell research would negatively impact induced pluripotent stem cell research. The study refutes the idea that iPS cells can replace embryonic stem cells in research.
Breast cancer stem cells can be induced to transition into a mesenchymal and stem cell-like state by signals from breast epithelial cells. Blocking these autocrine signals inhibits the growth of tumors in animal models. The study suggests that targeting these signals could lead to effective treatment for breast cancer.
A new study by University of Michigan researchers suggests that banning federal funding for human embryonic stem cell research would have disastrous consequences on the use of induced pluripotent stem cells (iPS cells). The two cell types are complementary and interdependent research tools, and their use has become intertwined. As a re...
Researchers at King's College London have identified a way to eliminate leukaemic stem cells, which could lead to new treatments enabling complete remission for leukemia patients. The study found that suppressing two proteins, Bmi1 and Hoxa9, can abolish the ability of MLL leukaemic stem cells to proliferate.
Researchers at the Max Delbrück Center (MDC) have identified E-cadherin as a key molecule enabling embryonic stem cells to differentiate into diverse cell types. The study found that E-cadherin plays a crucial role in maintaining pluripotent stem cells and reprogramming somatic cells into induced pluripotent stem cells.
Researchers created functional neurons from human skin cells using four proteins, bypassing the creation of induced pluripotent stem cells. This advancement enables the study of neural diseases and development of more effective treatments and cures.
A team of scientists at A*STAR have discovered a way to convert proteins involved in controlling genes into other types of cells by changing a single amino acid. This breakthrough has implications for generating stem cells more efficiently and could help develop treatments for diseases such as diabetes and Parkinson's disease.
Researchers at Monash University have successfully reprogrammed healthy adult kidney cells into embryonic-like stem cells, offering a new approach to modeling genetic kidney disorders and developing personalized medicine. The breakthrough enables the creation of limitless patient-specific stem cell lines for drug testing and disease mo...
Researchers at UC San Diego found that induced pluripotent stem cells could be rejected by the immune system, challenging their potential as a promising means to develop stem cell therapies. The study suggests that iPSCs are subject to some of the same problems of immune system rejection as embryonic stem cells.
Researchers at Brigham and Women's Hospital have identified a human lung stem cell capable of regenerating damaged lung tissue. The discovery has the potential to offer a new treatment option for those suffering from chronic lung diseases.
Researchers at UNC Chapel Hill School of Medicine isolated normal stem cells with aggressive breast cancer properties and identified a genetic intersection that contributes to metastasis. The study suggests a new target for treating triple negative breast cancer.
A Gladstone scientist has made two significant stem-cell discoveries, creating powerful new approaches for using stem cells and stem-cell-like technology. Dr. Sheng Ding reveals novel and safer methods for transforming embryonic stem cells into large numbers of brain cells and adult skin cells into neural stem cells.
Whitehead Institute researchers found that differentiated cells in breast tissue can convert to a stem-cell-like state, challenging scientific dogma. This behavior may have implications for cancer therapeutics and degenerative disease therapy.
Researchers have determined that correcting a genetic defect does not substantially increase the number of potentially cancer-causing mutations in induced pluripotent stem cells. This breakthrough suggests that human-induced pluripotent stem cells altered to correct a genetic defect may be cultured into subsequent generations of cells ...
Researchers have identified a gene that controls the behavior of stem cells in the intestine, which can lead to bowel cancers. The team aims to grow healthy stem cells into transplant tissues to replace damaged intestines, potentially treating patients with Crohn's disease and some cancers.
Researchers found that genes similar to those in intestinal stem cells are activated in colorectal cancer cells, predicting a higher risk of relapse. The discovery opens up new possibilities for diagnosing and treating colon cancer by targeting tumour stem cells.
Deanna Thompson is utilizing NYSTEM funding to study adult neural stem cells for developing new stem cell therapies and research tools. Her research aims to understand how these stem cells proliferate and differentiate into new nerve cells, with potential applications in treating brain injuries, illnesses, and cancers.
Researchers created a computer program that predicts the lifespan of hematopoietic stem cells, finding that each cell has a set amount of time for self-renewal. This understanding can improve the safety and efficacy of bone marrow transplants and potentially lead to breakthroughs in regenerative medicine.
Researchers from the Walter and Eliza Hall Institute have identified the Erg gene as crucial for blood stem cells' ability to self-renew. This discovery holds promise for developing new therapies using blood stem cells for tissue repair, transplantation, and other applications.
Researchers have discovered that mucosa-derived stem cells can preserve hearing function in children with sensorineural hearing loss. The study shows promising results for nasal stem cell transplants as a potential treatment for this condition and potentially other diseases such as Parkinson's disease and cardiac infarction.
Researchers at the University of Wisconsin-Madison have successfully reprogrammed diseased blood cells into pluripotent stem cells, allowing for the observation of leukemia's onset in a laboratory dish. This breakthrough enables scientists to pinpoint the earliest stages of cancer development.
Researchers at University of Rochester identify Nrf2 and Keap1 genes as key regulators of stem cell activity. Nrf2 prevents stem cell division, while Keap1 enables it when ROS levels increase.
Researchers have developed a mathematical model to assess the growth of stem cells and their malignant counterparts. The method, published in PLOS ONE, may aid in developing stem cell therapies for diseases like Alzheimer's and Parkinson's.