Articles tagged with Stem Cell Research
A recent study found that the epigenetic age of a tissue is influenced by the frequency and activity of its stem cells. Stem cells in skin and intestine had a higher rate of division, resulting in a younger epigenetic age compared to those in muscle and blood.
Kumamoto University researchers discovered HMGA2's crucial role in regulating stress responses in hematopoietic stem cells. The gene enhances blood cell production recovery under stressful conditions, such as chemotherapy and infections.
A new study reveals that fasting helps regenerate and heal intestinal injuries, but also increases the risk of developing early-stage intestinal tumors in mice. The researchers identified a pathway enabling this enhanced regeneration, which is activated during refeeding after fasting.
A team led by Harvard's Ryan Flynn has discovered the mechanism of how RNA is chemically linked to N-glycans, proving the existence of glycoRNAs. This finding broadens the scope of known glycoconjugates and opens new avenues for research into glycoRNA biology.
A study of over 900 children with autism spectrum disorder found that brain overgrowth is associated with increased social and communication symptoms. The research used MRI brain images and mini-brain experiments to show that enlarged brains are linked to altered Ndel1 enzyme activity, potentially affecting brain development.
Researchers at Technical University of Denmark developed a new biopolymer, PAMA, derived from bacteria to heal tissue. The PAMA bactogel shows significant muscle regeneration properties and nearly 100% mechanical recovery in rats.
Researchers have identified multipotent stem cells in sea anemones that are regulated by highly conserved genes, which could provide insights into human aging. These stem cells express genes like nanos and piwi, essential for germ cell formation, and may hold the key to understanding the potential immortality of sea anemones.
Researchers discovered that blocking Cxcr4 in mice reduced white fat tissue, while estrogen therapy could be effective with lower doses. The study offers promising avenues for understanding healthy and unhealthy fat tissue development.
A new study reveals that zebrafish spinal cords regenerate by leveraging the survival and adaptability of severed neurons, rather than relying on stem cells. The research identifies genetic targets to promote this type of plasticity in humans and other mammals.
Texas A&M researchers are investigating the use of extracellular vesicles to deliver immune-suppressing proteins, potentially reducing the immune system's attack on insulin-producing beta-cells. The goal is to develop a novel treatment for type 1 diabetes, which currently has only lifelong insulin therapy as an approved option.
A new technique developed by McGill researchers allows for precise targeting of stem cells to become specific cell types, such as bone or fat cells. This breakthrough has the potential to lead to new stem cell treatments for various diseases, including multiple sclerosis, Alzheimer’s and Type 1 diabetes.
Researchers at Florida State University have shown potential of a new treatment for pediatric brain cancer by enhancing natural killer immune cells to improve their ability to attack the disease. The study, published in Bioactive Materials, provides a critical part in addressing a major clinical need for children with brain cancer.
Researchers at Albert Einstein College of Medicine discover a new way to improve HSC mobilization for clinical use. Trogocytosis, a mechanism where one cell type extracts membrane fractions from another, plays a role in regulating immune responses and cellular systems.
Researchers at the Centre for Genomic Regulation have discovered a treatment that speeds up the production of high-quality pluripotent stem cells in mice. The finding uses interferon gamma to accelerate cellular reprogramming, paving the way for improved disease modeling and personalized treatments.
Researchers found COVID-19-related diarrhea mechanisms using human stem cells and enteroids, a single layer of cells in a petri dish. The study suggests testing inhibitors of inflammation may help treat COVID-19 diarrhea, linking it to long COVID symptoms.
Researchers at the University of Helsinki have created cells that can't grow uncontrolledly, which could lead to new and safer cell therapies for hereditary diseases, myocardial infarction, and other conditions. The innovation uses thymidine supplementation to regulate cell division, eliminating the risk of cancer.
Researchers discovered that transferring regenerative genes from simple organisms into fruit flies can suppress age-related issues and promote greater intestinal stem cell division. This breakthrough has implications for developing new strategies to rejuvenate stem cell function and extend healthy lifespans, particularly in humans.
Researchers discovered a new small molecule, SR-18292, that increases fetal hemoglobin production and reduces sickled red blood cells in mice with sickle cell disease. The study suggests that combining SR-18292 with hydroxyurea could provide a vital new treatment option for patients who don't respond well to traditional treatments.
Researchers at the University Hospital Bonn have established a highly efficient and cost-effective way to generate functional endothelial cells from human induced pluripotent stem cells (hiPSCs) for tests in cell culture dishes. The new method delivers endothelial cells more quickly, requires fewer additives, and is highly reproducible.
A pivotal study reveals the genetic interplay that maintains stem cell balance in Solanaceae plants, uncovering receptor compensation mechanisms. Understanding these mechanisms is crucial for improving crop resilience and productivity, providing new perspectives for crop improvement and innovative approaches to agriculture.
Researchers found a strikingly similar pluripotency gene network across jawless and jawed vertebrates, suggesting a common evolutionary origin. The study reveals that the loss of the pou5 gene in lampreys' neural crest cells may have limited their ability to form cell types found in jawed vertebrates.
A recent paper surveys advances in diabetes pathogenesis and treatment, highlighting the role of genes, environmental factors, and social determinants. The study suggests that understanding these dynamics is key to developing targeted interventions to reduce diabetes risk and manage its complications.
Researchers found that a cancer drug can restore phagocytosis, a process crucial for brain health, in individuals with Rett syndrome by targeting microglia. The study highlights the potential therapeutic target of microglia in neurological conditions and may lead to new treatments.
Researchers identified genetic and metabolic characteristics of leukaemic stem cells, including a specific iron utilisation process that can be blocked to kill these cells without harming healthy ones. This breakthrough paves the way for new therapeutic strategies to combat leukemia.
Some private UK biobanks are marketing umbilical cord blood banking services as a way to protect children's future health, claiming it can treat over 80 conditions. However, regenerative medicine experts say these claims are misleading and based on unrealistic applications.
Researchers developed core-shell microfibrous scaffolds that excel in rotator cuff repair, restoring natural morphology and mechanical properties. The acellular, in situ tissue engineering technology harnesses stem cell regenerative abilities to provide robust biological regeneration without cell seeding.
Researchers have discovered that SARS-CoV-2 can infect more types of lung cells than previously thought, including those without known viral receptors. The study also found that the lung can independently muster an inflammatory antiviral response without immune system help when exposed to the virus.
Researchers developed a preclinical model that shows knocking out VPS35 leads to alpha-synuclein aggregate accumulation, similar to human Parkinson's. The study also discovered a potential new strategy for detecting the disease using autofluorescence technology.
Researchers at the University of Houston College of Pharmacy discovered key mechanisms of skeletal muscle regeneration and growth following resistance exercise. Increasing levels of Inositol-requiring enzyme 1 (IRE1) or X-box binding protein 1 (XBP1) in muscle stem cells may improve muscle repair and reduce disease severity.
Researchers found that autologous bone marrow aspirate concentrate (BMAC) and adipose-derived stromal vascular fraction (ADSVF) have distinct cellular compositions and protein profiles. The study's findings challenge the marketing of these therapies as interchangeable and highlight the need for standardized cell therapies.
The study reveals that hiPS-CMs induce a limited immune response but are rejected around 17-24 days after transplantation due to CD8+ T cells. Depletion of CD8+ T cells or treatment with tacrolimus prolongs sheet survival, highlighting the pivotal role of these immune cells.
Scientists have discovered a new hormone, CCN3, that helps maintain bone density and strength in breastfeeding women. In mice, CCN3 increased bone mass and strength, even when estrogen levels were low. The hormone also accelerated bone healing in fracture models, offering hope for treating osteoporosis and other bone conditions.
Researchers at University of California San Diego have found that genetically modified NK-cell therapy can effectively target and treat hepatocellular carcinoma, a highly treatment-resistant form of solid tumor. The therapy works by disabling the inhibitory protein TGF-β, allowing immune cells to kill cancer more efficiently.
Researchers found that regorafenib synergizes with TAS102 to inhibit cancer growth, angiogenesis, and microvessel density in preclinical models of colorectal and gastric cancers. The combination also suppresses ERK1/2 activation regardless of KRAS or BRAF mutational status.
Dr. Sanaz Memarzadeh and her team aim to improve treatment outcomes for patients with platinum-resistant ovarian cancer using adoptive T-cell therapy and natural killer cells. They hope to identify new targets and biomarkers for effective treatments.
Researchers have developed a humanized mouse model with a fully functional human immune system, enabling the study of immunotherapy development, disease modeling, and vaccine development. The new model, called TruHuX, mounts specific antibody responses and can develop full-fledged systemic lupus autoimmunity.
The UK has released a pioneering Code of Practice for the use of stem cell-based embryo models in research, providing standards for rigorous ethics and maximizing benefits. The code sets out processes for decision-making in research using these models, allowing scientists to proceed confidently while maintaining public trust.
A new editorial paper discusses molecular and cytogenetic analyses used to identify distinct subtypes of acute myeloid leukemias (AML) and myelodysplastic syndromes (MDS). Researchers found that around 15% of AML cases remain genetically unclassifiable, emphasizing the need for further research.
Researchers at UCSF have discovered a way to turn ordinary white fat cells into beige fat cells that burn calories, opening the door to developing new weight-loss drugs. The approach uses a protein called KLF-15 and may avoid side effects associated with current treatments.
Researchers at USC Keck School of Medicine discovered that a low-salt diet can stimulate kidney regeneration and repair in mice by targeting the macula densa region. This finding holds promise for developing a new therapeutic approach to treat chronic kidney disease, which affects millions worldwide.
Researchers at the University of Zurich have discovered a factor secreted by tumor cells that impeds the effectiveness of therapies. The POSTN gene plays an important role in resistant tumors and triggers resistance through its interaction with immune cells, particularly macrophages.
Researchers at Colorado State University used human stem cells to study synaptic connections in the brain, focusing on GABAergic synapses. They found that Gephyrin promotes autonomous assembly of these synapses, which can develop independently of neuronal communication. This understanding could lead to new treatments for neurological d...
A study by Baylor College of Medicine reveals the molecular events leading to osteogenesis imperfecta type V, a form of brittle bone disease caused by an IFITM5 mutation. The mutation disrupts normal bone stem cell development, leading to extremely brittle bones and recurrent fractures.
Alzheimer's patients' samples exhibit altered communication between pericytes and astrocytes, mediated by VEGFA and SMAD3. Donors with higher blood SMAD3 levels had less vascular damage and better outcomes.
Researchers discovered a breakthrough in mouse embryo development, where primitive endoderm cells can generate an embryo on their own. These cells also have the potential to improve IVF outcomes by developing into stem cell-based embryo models.
A study published in Blood reveals that hematopoietic stem cells in the bone marrow of genetically identical middle-aged mice aged differently. The team found that subtle changes in the bone marrow microenvironment and two growth factors, Kitl and Igf1, correlated with age-associated molecular programs in the stem cells.
Researchers have developed a model to enrich sub-populations of cancer cells with high basal levels of mitophagy, promoting CSC features such as self-renewal, proliferation, and drug-resistance. This study highlights the importance of BNIP3/BNIP3L in maintaining cancer stem cell properties.
Researchers at Johns Hopkins Medicine identified a potentially new biological target involving Aplp1, which drives the spread of Parkinson's disease-causing alpha-synuclein. The findings suggest targeting this interaction with drugs could slow Parkinson's disease progression and other neurodegenerative diseases.
Researchers found that toddlers with profound autism had larger embryonic brain cortical organoids (BCOs) compared to neurotypical controls. The BCO size was positively correlated with the child's later social symptoms, indicating that a larger brain may be the first sign of autism.
Scientists designed ring-shaped proteins targeting growth factor receptors to control human stem cell development. The resulting vascular networks formed tubes, healed, and absorbed nutrients, offering a new approach to repairing damaged hearts and kidneys.
Researchers explore Extracellular signal-regulated kinase 5 (Erk5) and its unique structures regulating autophosphorylation and transcription. Erk5 is involved in angiogenesis, neurogenesis, energy metabolism, tumor growth, and metastasis, making it a potential target for cancer treatment.
Researchers developed a nine-week, phone-delivered positive psychology program called PATH to improve psychological well-being in blood cancer patients. The intervention had promising effects on patient-reported outcomes, with high participation and completion rates.
A new study by a global consortium provides insight into how tumors evolve, shedding light on the intricate processes underlying cancer evolution. The findings define optimal algorithms to analyze tumor evolution, enhancing diagnostic accuracy and treatment planning.
Researchers have successfully grown 'mini-guts' in the lab to better understand Crohn's disease. The organoids show that epigenetic changes play an important role in the disease and its severity, enabling potential personalized treatments. This breakthrough could lead to more precise and effective treatments for patients.
Researchers at Duke University created an ultrathin silk membrane that helps cells grow into functional tissues used for research, enabling the development of kidney disease models. The new membrane improves communication and growth between cells, mimicking natural human organ structures.
Scientists discover that multiciliated cells use cell division to control hair-like projections called cilia. This adaptation breaks the cancer-preventing rule of making only four centrioles per cell, producing hundreds instead.
Two independent studies by Columbia scientists challenge long-held assumptions about gut stem cells, revealing they are descendants of true stem cells producing different proteins and responding to distinct signals. The discovery could revitalize regenerative medicine by targeting the correct stem cell populations.
Researchers at UCLA have identified a key protein MYCT1 that enables blood stem cells to sense and interpret signals from their environment. The study's findings could lead to the development of methods to expand blood stem cells in a lab dish, making life-saving transplants more available.
Researchers discovered that PMP22 duplication disrupts lipid metabolism and plasma membrane organization in developing Schwann cells, leading to myelin degradation and nerve damage. Targeting dysregulated lipid pathways may reverse some detrimental effects of CMT1A.
Research reveals that clonal hematopoiesis of indeterminate potential (CHIP) drives inflammatory bone loss diseases like periodontitis and arthritis. Rapamycin shows promise as a potential treatment for CHIP-driven inflammation.