Articles tagged with Stem Cells
Researchers discovered a mutation in the GATA6 gene linked to pancreatic agenesis, a rare condition where the pancreas fails to develop. This finding provides insight into how stem cells can be programmed to become pancreatic cells, potentially leading to new treatments for type 1 diabetes.
A new cellular automaton model has successfully predicted how hair follicle stem cells regenerate, shedding light on the mechanisms behind alopecia. The study suggests that improving the environment around hair follicles may be a more effective approach to regrowing hair than implanting stem cells.
Researchers at Joslin Diabetes Center have identified two major molecular signaling pathways that regulate cell growth and division, hallmarks of cancer biology. The study provides new candidate targets for treating soft-tissue sarcomas, which can be controlled but not cured by current treatments.
A 36-year-old Eritrean patient received a pioneering trachea transplant using an artificial scaffold seeded with stem cells, allowing him to live a normal life. The procedure has shown promising results and may pave the way for future treatments of airway diseases.
Researchers have discovered a new muscle repair gene, MEGF10, which plays a crucial role in the fusion process of satellite cells. The findings provide accurate genetic testing and diagnosis for devastating conditions affecting muscle function, enabling hope for families affected by progressive muscle disease.
Researchers at the University at Buffalo have developed a new approach to regenerating heart muscle cells. By infusing cardiosphere-derived cells into coronary arteries, they were able to increase healthy heart muscle cells by 30% within a month.
Researchers found that scarring after a heart attack can help prevent further damage, but interrupting the process weakens heart function. The study suggests that timing is essential in manipulating cells to decrease scarring and enhance regeneration.
A new clinical trial funded by NIH found that delayed stem cell therapy after a heart attack is safe, but it does not improve heart function six months later. The study suggests future clinical benefits may still be possible.
Researchers found that boosting a gene in fruit flies' intestinal stem cells extended their lifespan by up to 50% and delayed the aging of their intestine. The study suggests that the gene, PGC-1, can act as a biological dial for slowing the aging process and may serve as a target for new therapies.
Researchers at Boston University have discovered how Wolbachia bacteria alter insect reproduction, leading to increased egg production and reduced death rates. The study provides insights into the cellular mechanisms behind this relationship, which could inform novel approaches to disease control.
Researchers identified cells and signaling molecules that trigger lung repair in mice. Fibroblast growth factor 10 (FGF10) induces epithelial cells to revert to a stem-cell state, proliferate, and repopulate the lung lining.
Researchers at UCSF found that bone marrow cells used to treat human hearts after a heart attack are impaired due to inflammation caused by the attack. This discovery may lead to new therapeutic approaches to improve treatment outcomes for heart attack patients.
Scientists at Norwich BioScience Institutes discovered that plant pores, essential for life and carbon cycles, are evenly spaced due to a specific protein called SPEECHLESS. This protein's activity helps create an even spatial pattern during plant growth, allowing plants to breathe efficiently in different environments.
Researchers at Kyoto University have designed an inexpensive new material capable of quick and accurate detection of carbon dioxide gas. The compound gives off variable degrees of visible light in correspondence with different gas concentrations, enabling the development of easy-to-use monitoring devices.
Yale scientists identify adipose precursor cells as key players in triggering hair growth. These cells produce PDGF molecules necessary for producing hair growth in mice. The study offers a promising avenue for developing new treatments for male pattern baldness by targeting these stem cells and signals.
Researchers discovered that chaperonins are necessary for KN1 protein trafficking between plant cells via plasmodesmata, which helps establish and maintain stem cell populations. This signaling pathway is vital for plant development and growth, allowing cells to communicate and influence each other.
The study discovered that pericytes can stimulate new blood vessels and aid in the recovery of a heart attack by transferring microRNAs to endothelial cells. This novel mechanism could lead to the development of new treatments for cardiovascular disease.
Researchers discovered the expression of cancer-killer SAC-GFP activity in bone marrow cells after transplantation, suggesting successful transfer and colonization of anti-cancer tissue. The study shows promise for treating primary and metastatic tumors with genetically modified stem cells that secrete potent Par-4/SAC killer proteins.
A new treatment developed at Tel Aviv University uses laser-treated bone marrow stem cells to help restore heart function and health. The procedure significantly reduces heart scarring after an ischemic event by up to 80 percent, offering a safer and quicker alternative to existing options.
Researchers have identified a crucial role for TCF-1 in regulating T-cell development, which could lead to improved treatments for immune-suppressed patients. Notch triggers the process of T-cell development and turns on expression of TCF-1, but not itself.
A recent study published in Cell Stem Cell found that low doses of erythropoietin (EPO) may reduce the risk of heart failure associated with some anticancer therapies. EPO was shown to bind to cardiac stem cells and restore their ability to form new blood vessels, preserving cardiac function.
The study reveals that EphB-ephrin bindings activate metaloprotease ADAM10, destroying binding between distinct cell types and preventing cell mixing. This mechanism is crucial for maintaining tissue organization in the intestinal epithelium.
The UBC device allows scientists to analyze individual cells rapidly and cost-effectively, accelerating genetic research and cancer diagnosis. By analyzing isolated cells, researchers can distinguish between normal and cancer cells, leading to more accurate treatments.
Researchers have developed a platform technology for monitoring single-cell interactions in real-time using nanotechnology, allowing for unprecedented spatial and temporal resolution. This innovation has broad implications for basic science, drug discovery, and personalized medicine.
Researchers at Boston University School of Medicine have identified a possible new approach to treating myelofibrosis by inhibiting an enzyme that forms scar tissue in the bone marrow. The study found that inhibiting this enzyme resulted in a significant decrease in the burden of myelofibrosis, offering a potential new avenue for treat...
Scientists have discovered a protein marker on the surface of adipose stromal cells (ASCs), which drive fat expansion in the body. The finding may lead to developing a method to inactivate these cells, potentially treating obesity and improving regenerative therapies.
Scientists use new technique to demonstrate that cell membrane and cytoplasm structure can guide asymmetric cell division. Model cells show that simple chemical interactions can result in complex behaviors like asymmetric division even without genetic signals.
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 have identified genetic mutations that predict risk of sudden cardiac death and cardiac events in patients with Long QT syndrome. The findings could lead to personalized treatment approaches for individuals with the condition, who are often at risk but may not exhibit typical clinical symptoms.
Researchers deciphered how hair stem cells communicate with each other to encourage mutually coordinated regeneration, holding potential for finding a cure for alopecia. The study's findings provide insight into potential stem cell behavior in other organs, which holds ramifications for regenerative medicine research.
Biophysicists at Penn have developed a new technique to study how proteins respond to physical stress, particularly in red blood cells. The technique, which measures the degree of exposed cysteine in proteins, reveals that stressed cells are more fluorescent under microscopy.
Researchers at the University of Alberta have discovered a critical molecule that, when absent in T-cells, can cause autoimmunity. This finding has significant implications for stem-cell transplantation treatments used for autoimmune diseases and cancer.
A team of researchers has identified a key role for the protein fibulin-5 in preventing pelvic organ prolapse (POP) in mice. Fibulin-5 prevents POP by facilitating the assembly of normal elastic fibers and inhibiting the activity of MMP9, a protein that degrades these fibers. Increased levels of MMP-9 were found in vaginal tissue sampl...
A team of bioengineers at Rice University is developing new materials to grow replacement heart valves using gel-like scaffolds that mimic the complex structure and physical properties of heart-valve tissues. The goal is to create living valves that use a patient's own cells, eliminating tissue rejection.
Experts recommend collecting peripheral blood stem cells from Fukushima radiation workers to prepare for potential future stem cell transplants. This technique has several advantages over allogeneic transplantation, including reducing the risk of graft-versus-host disease and immunosuppression.
Cardiac stem cell treatment is being explored as an option for treating heart failure. Dr. Bolli's study, SCIPIO, aims to perfect a technique using a patient's own cardiac stem cells to regenerate dead heart muscle after a heart attack. Results show promising improvements in patients' physical capabilities and ejection fraction.
Researchers have successfully treated severe Crohn's disease with a new cell therapy approach using Type 1 regulatory lymphocytes. The preliminary results indicate improved condition and good tolerability, paving the way for further phase 2b clinical trials.
A long-term study reports the effectiveness of stem cell transplants in replacing bone marrow and reducing disease activity in people with rapidly progressive MS. The treatment showed promising results, with an average improvement in symptoms lasting two years.
A study published in Blood reveals a close relationship between pulmonary arterial hypertension and myeloid abnormalities in the bone marrow. The researchers found that blood progenitor cells are increased in patients with PAH, suggesting an abnormal feedback loop connecting blood and lung cell behavior.
Researchers describe the mechanism of blockade and reactivation in molecular detail, revealing TFIIS's role in facilitating mRNA excision. This process is essential for cell survival and regulates gene activity in stem and tumor cells.
Researchers have created a bioengineered protein called CD19-L that selectively targets and destroys leukemia cells, including those resistant to chemotherapy. This breakthrough discovery offers new hope for treating childhood leukemia.
Two studies investigate the role of bone marrow stem cells in diabetic therapy and islet cell regeneration, offering new therapeutic possibilities. Researchers also focus on improving pancreatic islet culture and preservation techniques to prolong the survival and functionality of islet cells in vitro.
The research team used single-molecule imaging to study G protein-coupled receptors (GPCRs) and found that they can interconvert between monomers and dimers. This understanding is crucial for predicting GPCR numbers in cells and blocking signal amplification by these molecules.
A team of scientists created a programable molecular transport system, observed in real time using atomic force microscopy. The system consists of a DNA origami track with a motor and fuel, allowing for adjustable speed and potential applications in drug delivery and synthetic ribosome creation.
Researchers at Kyoto University have developed a porous framework that can capture common air pollutants and emit glowing colors when exposed to ultraviolet light. This breakthrough enables the creation of portable, solid-state pollution detectors with potential applications in medicine, pharmaceuticals, and industry.
UCSF researchers developed a new approach to examine how cells convert DNA into RNA, bridging a gap in understanding gene expression. The technique enables direct observation of the transcription process at unprecedented resolution, providing insights into gene regulation and function.
A team of researchers from University of Missouri and Columbia University successfully regenerates complete shoulder joint surfaces in animals using the patient's own cells. The new technique eliminates the need for multiple surgeries to harvest and implant cells, making it a promising alternative to metal and plastic joints.
Researchers at UCLA's Jonsson Comprehensive Cancer Center have found a new mechanism that regulates protein stability in cells, triggered by the GSK3 enzyme. This discovery could lead to potential new treatments for cancer, particularly colorectal cancers and other forms of cancer.
Researchers found that human CML stem cells do not rely on BCR-ABL activity for survival, rendering traditional treatments ineffective. This breakthrough highlights the need for new therapeutic strategies to target these resilient cancer cells.
Researchers found that Duchenne muscular dystrophy symptoms emerge when skeletal muscle stem cells can no longer keep up with repairs, leading to progressive muscle weakening and respiratory failure. Successful treatments targeting muscle stem cells may alleviate symptoms and offer new hope for managing the disease.
A new mouse model of Duchenne muscular dystrophy suggests that muscle stem cells are key to understanding the disease's progression. The research found that mice with a similar mutation to humans experience severe muscle weakness and shortened life spans due to the inability of their muscle stem cells to keep up with ongoing damage.
Tel Aviv University researchers discovered that endurance exercises increase muscle stem cells and enhance their ability to rejuvenate old muscles. This finding could lead to a new drug to help the elderly and immobilized heal their muscles faster.
Researchers discovered a protein necessary for normal cell division in blood-forming stem cells, which resulted in abnormal numbers of chromosomes and high rates of cell death. This finding highlights the metabolic differences between stem cells and other blood-forming cells.
Researchers at Rockefeller University Press have successfully reprogrammed human skin cells to produce platelets that can be used in patients with thrombocytopenia. The breakthrough method involves culturing these cells in a cocktail of platelet-promoting factors, resulting in platelets that function like normal healthy platelets.
A new study suggests that fat-derived stem cells can safely improve heart function after a heart attack by reducing damaged tissue, increasing blood flow, and boosting the heart's pumping ability. The treatment was found to be effective in patients with severe heart attacks, but further research is needed to confirm its efficacy.
A mathematical model developed by researchers at Massachusetts General Hospital and Harvard University can predict the risk of anemia in individuals. The model reflects how red blood cells change in size and hemoglobin content during their four-month lifespan, allowing for early detection of iron-deficiency anemia.
A University of Colorado at Boulder-led study found that specific stem cells can prevent the loss of muscle function and mass with aging. The transplanted stem cells doubled in mass and sustained themselves for two years, suggesting a potential treatment for humans with chronic degenerative muscle diseases.
A phase I clinical trial at University of Texas M. D. Anderson Cancer Center found an antibody loaded with an anti-cancer agent produced complete or partial remissions in 38 percent of patients with relapsed or therapy-resistant Hodgkin lymphoma.
Researchers found daily whole body vibration improves bone density around the hip joint and femur, reducing a biomarker of bone breakdown. The technique also stimulates stem cells to differentiate into bone cells, potentially aiding fracture healing. Vibration has shown promise in improving glucose uptake and reducing fatty liver disease.
A new method for molecular imaging in cells using CARS technique reduces power levels while increasing speed, enabling detailed molecular maps without damaging cells. This breakthrough opens the door for widespread use of vibrational spectroscopy in biology and clinical diagnosis.