Articles tagged with Stem Cells
A new study from Ben-Gurion University of the Negev found that long-term Salmonella infections severely damage blood stem cells. However, researchers discovered that giving an effective course of antibiotics fully restores the stem cells' health and rebuilds their power.
Researchers found that CAR3 coordinates bone formation and regeneration by forming a molecular complex with collagen type I alpha 1 and recruiting bone sialoprotein. The study identified CAR3 as a previously unrecognized regulator of osteoblast differentiation, highlighting its potential for treating bone disorders.
Researchers develop cellular model to reproduce NF1-associated tumour progression, identifying new therapeutic opportunities. The combination of olaparib and selumetinib shows promise in reducing tumour growth.
An international team published a white paper on embryonic models based on stem cells, proposing guidelines for research and regulation. These models can mimic early human development stages, potentially aiding in understanding infertility conditions.
Researchers found a unique protein called YAF9B that helps plants protect their stem cells from DNA damage. This discovery sheds light on how plants coordinate DNA repair processes, which could improve future crops by guiding more precise genome editing.
Researchers discover that breast cancer cells exploit protective systems in bone marrow to remain dormant, using Notch2 signaling and genes like CXCR4 and TIE2. This dormancy allows cells to reactivate years later, leading to secondary tumors.
Researchers at the Hebrew University of Jerusalem have created a novel method for cultivating meat using plant-derived cellulose scaffolds. This approach significantly reduces production costs by infusing growth factors directly into the scaffold, allowing for comparable tissue development with lower factor usage.
Researchers identified a defense mechanism in intestinal stem cells that actively responds to Salmonella infection, differentiating into antimicrobial Paneth cells to limit bacterial persistence. The study suggests that stem cell differentiation is part of an intrinsic protective program preserving intestinal function during infection.
Researchers at University of California - Riverside discovered that the primary cilium, a microscopic structure inside nearly every cell, plays a critical role in brain development. The study found that proteins associated with the cilium are directly linked to human developmental disorders and that protein production occurs directly w...
Researchers discovered that early-stage ectoderm cells are especially susceptible to SARS-CoV-2 infection, with heightened vulnerability driven by elevated TMPRSS2 activity and thinner glycocalyx. This raises concerns about potential developmental risks, particularly for infants born to mothers infected during early pregnancy.
Researchers have identified a gene, eIF4G2, crucial for keeping adult intestinal stem cells stable and functional. The study reveals that the gene plays a vital role in regulating protein production and maintaining stem cell identity.
Researchers studying RNA pollution's impact on aging brains seek to develop therapeutic strategies for neurodegenerative diseases like Alzheimer's. Sanford Burnham Prebys scientist Anne Bang will use advanced robotics to test thousands of compounds.
The researchers will investigate novel therapies to protect the aging brain from neurodegenerative diseases by eliminating RNA pollution. They will map out signatures of RNA pollution across over 200 cell lines and patient biofluids to understand its effects.
Scientists at Karolinska Institutet have created a new method to produce insulin-producing cells from human stem cells, effectively regulating blood sugar levels in laboratory tests and reversing diabetes in mice. The optimized production process yields more mature and purer cells, demonstrating their potential for future treatments.
A recent study reveals that MLKL activation causes direct damage to mitochondria, impairing energy production and leading to functional decline in hematopoietic stem cells. In contrast, deletion or inhibition of MLKL significantly alleviates these defects, suggesting a post-transcriptional mechanism driving HSC aging.
Researchers generated a comprehensive view of DNA methylation abnormalities in human MDS HSCs, uncovering a novel TET2-GFI1 axis that suppresses malignant transformation. The study identifies key hematopoietic regulators and provides a panoramic view of DNA methylation disruption in MDS.
Dr. Ulrich Steidl, MD, Ph.D., has been appointed as the director of the prestigious Montefiore Einstein Comprehensive Cancer Center and vice president of cancer medicine at Montefiore Einstein. With extensive experience in blood cancer and stem cell research, Dr. Steidl aims to advance innovative science that improves lives worldwide.
A gene-edited treatment has shown remarkable success against severe sickle cell disease, with 27 out of 28 patients achieving a functional cure and no painful crises. The therapy uses CRISPR/Cas12a technology to modify stem cells and increase levels of fetal hemoglobin.
Researchers from Institute of Science Tokyo discovered a unique mechanism in which conventional stem cells can temporarily switch into a specialized regenerative state called revival stem cells, driving tissue repair. This process, known as fetal reversion, enables efficient regeneration without exhausting the stem cell pool.
Researchers define a new genetic disease marked by premature aging and brain function deficits, tracing the cause to a mutated IVNS1ABP gene. The study uses genome sequencing and cellular reprogramming to identify potential treatment targets.
Research reveals that TGF-β1 plays a critical role in fibrotic scar tissue formation, limiting neural regeneration and recovery after spinal cord injury. Inhibiting TGF-β1 signaling reduces fibrotic scarring and improves functional recovery.
Researchers developed a water-rich, Jell-O-like hydrogel that mimics human tissue's movement, stretching, and relaxation. The hydrogel can be precisely controlled by light, enabling the study of cell behavior and disease modeling.
Researchers developed hybrid spheroids with biodegradable nanogels to improve stem cell function and survival in injured swallowing muscles. The approach significantly improved muscle regeneration, cell retention, and functional recovery in a rat model.
Researchers discovered that tendon stem cells and progenitor cells fail to differentiate into mature, functional cells, instead promoting scar buildup. Immune cells, including macrophages, also play a central role in sustaining fibrosis, creating a self-sustaining environment that is difficult to reverse.
A recent study has shed light on the processes that drive mitochondrial uptake and its benefits for cells. Isolated mitochondria were found to be taken up by mesenchymal stromal cells, enhancing proliferation and cytoprotection, and improving energy metabolism.
A large registry study identifies a specific genetic mismatch linked to severe acute graft-versus-host disease (aGVHD) after cord blood transplantation, tripling the risk of life-threatening complications. Researchers found that a particular HLA combination in donors and recipients increased aGVHD risk by threefold.
Researchers have explored how human mesenchymal stem cells can help repair brain injury in children born preterm. The PREMSTEM project has investigated the use of h-MSCs to address brain injury caused by early-life birth, with promising results showing a positive impact on brain damage and inflammation.
Aging muscles heal more slowly after injury due to increased levels of protein NDRG1 in aged muscle stem cells. NDRG1 helps stem cells survive longer but reduces their ability to activate and repair tissue.
A research team has developed a way to produce corticospinal-like neurons that centrally degenerate in motor neuron disease and are damaged in spinal cord injury. The study uses a multi-component gene-expression system called NVOF to precisely fine tune regulatory signals, resulting in mature neurons with distinct characteristics.
Researchers at University of California San Diego discover gene therapy restoring connexin-43 improves heart function and extends survival in several forms of arrhythmogenic cardiomyopathy. The approach may have broader therapeutic potential across multiple genetic forms of the disease, addressing a critical unmet need.
Researchers developed bioengineered lymphatic tissue (CeLyT) that restored functional lymph nodes in mice with secondary lymphedema. CeLyTs improved lymphedema symptoms by restoring lymphatic flow, filtration capacity, and immune cell populations.
A revised approach to measuring treatment success for patients with chronic graft-versus-host disease has been proposed by the National Institutes of Health Consensus Project Task Force. The new criteria aim to capture clinically meaningful improvements in skin involvement, leading to better patient outcomes and more effective treatments.
A new study reveals that gut microbiota directly affects intestinal stem cell function, leading to impaired regeneration after injury. Restoring a more youthful microbiota can reverse the age-related decline in ISC activity.
A Korea University study successfully mimics heart mechanics in organoids using three-dimensional magnetic torque, enhancing cardiac differentiation, maturation, and vascularization. This breakthrough could improve drug safety testing by providing more accurate human-relevant models for cardiotoxicity screening.
The journal is seeking early-career scientists to serve on its editorial team, providing hands-on experience and mentorship. Selected members will play an active role in shaping the journal's scientific vision and community engagement.
A Japanese research team has developed a biohybrid approach that works inside the body, transforming engineered skin into a visible indicator of internal biological states. The system leverages the body's natural skin regeneration to support long-term biomarker monitoring, providing a visual readout without blood sampling.
A University of California San Diego team is developing a first-of-its-kind stem cell-based gene therapy for Friedreich’s ataxia. The $7.4 million grant will support safety studies, manufacturing and clinical planning needed before applying to test the treatment in patients.
Scientists have discovered how cells maintain safe protein levels despite fluctuations in resources, using a mechanism called Passive Adaptation that adjusts protein removal rates. This process helps cells cope with changes in nutrient availability, development, or stress.
Researchers from A*STAR Institute of Molecular and Cell Biology discovered that Aquaporin-5 (AQP5) reliably marks gastric cancer stem cells, which drive tumour growth, spread, and recurrence. Eliminating these cells prevents tumours from growing, even in advanced disease with organ metastasis.
Chromatin accessibility maps reveal that MDS stem cells gradually lose their normal identity and acquire characteristics typical of myeloid progenitors. A 'progenitor score' developed by the team tracks cell movement toward a progenitor-like state, correlating with disease severity and prognosis.
Researchers discovered subtypes of chondrocytes that transform into bone-building cells, regulating bone growth and vascularization. The study found that these cells secrete Thbs4 to induce blood vessel formation, shedding insights for treating defective angiogenesis.
Growth hormone directly controls behavior of stem cells in growth plate, stimulating growth but also depleting cartilage stem cells. This delicate balance is crucial for long-term bone development and may contribute to refining growth hormone treatments.
Researchers found that the tenascin-C protein promotes a thriving community of functional muscle stem cells needed for efficient muscle regeneration. Aging reduces skeletal muscle regeneration due to lower levels of TnC and impaired muscle stem cell function.
Researchers used human pluripotent stem cells to model early placental formation, discovering VGLL1 plays a crucial role in turning stem cells into placental stem cells. The study's findings could lead to improved embryo quality and viability, especially for in vitro fertilization.
Researchers at the University of Maryland School of Medicine have identified a bacterial enzyme called zmpB that can cause fatal heart complications in people infected with pneumonia. The enzyme potentiates the invasion of Streptococcus pneumoniae into the heart, leading to damage and potentially life-threatening outcomes.
Researchers explore innovative avenues for regenerating functional β-cells using stem cells and pancreatic progenitor cells. The dual approach of activating endogenous progenitors and transplanting externally differentiated cells represents a powerful, scalable strategy for T1D management.
A research team identified a key function of the intestinal nervous system in controlling the intestinal barrier's composition and stability. The study suggests that the 'gut brain' acts as a central hub for health, immunity, and potentially conditions like allergies, and may be influenced by diet.
A new humanised model based on induced pluripotent stem cells identifies SETBP1 as a key driver of disease progression. The model shows that secondary mutations impair haematopoietic differentiation and reduce the regenerative capacity of myeloid progenitor cells.
Researchers develop ex vivo treatment of blood stem cells with Rhosin, a RhoA inhibitor, to rejuvenate them and improve the production of healthy blood cells. This strategy targets the core of the ageing process, making blood stem cells more capable of regenerating and producing new healthy blood cells.
Researchers at Mount Sinai discovered a technique to renew aged blood-forming stem cells by correcting defects in lysosomes. The breakthrough revealed that restoring lysosomal slow degradation can revitalize aged stem cells and enhance their regenerative capacity. This study may help prevent age-related blood disorders and improve stem...
Recent studies by Brazilian scientists clarify key roles of STIP1 and Maspin in vital cellular processes, including embryonic development, cell communication, and tissue renewal. These findings contribute to cancer research, regenerative medicine, and understanding cellular homeostasis.
Researchers at Terasaki Institute and Caltech will use stem cell-based models to identify factors influencing early human development. The goal is to gain insights into infertility, pregnancy loss, and developmental disorders.
Researchers used human-induced pluripotent stem cell-derived kidney organoids to model nephronophthisis, revealing the Hippo signaling pathway's role in fibrosis. Inhibiting this pathway with drugs like verteporfin shows promise as a treatment option.
Researchers developed a first-of-its-kind prenatal brain model to study cerebral hemorrhages on stem cells in preterm birth. An antidote reduced brain damage, and the study identified how neural stem cells are damaged by elevated interleukin-1 levels.
A UC Merced biologist found that activating neural signals can selectively remove cancer symptoms in planarian flatworms, which could change how doctors treat cancer and age-related diseases. The study may also shed light on degenerative conditions linked to aging.
Researchers developed a scalable method to produce human kidney organoids, combining them with pig kidneys outside the body for transplantation. The transplanted organs functioned normally and showed no signs of damage or toxicity.
Researchers at Sanford Burnham Prebys have developed a new method to generate more and potent skeletal muscle progenitor cells. The study found that blocking the activity of Janus kinase 2 (JAK2) yields a twofold increase in cell yield, while also delivering more mature and effective cells for regenerative medicine treatment.
Patients with weak heart function who receive stem cell therapy shortly after a heart attack have lower rates of heart failure and hospital stays. The technique may be a valuable add-on procedure for patients with weakened heart function after a heart attack to prevent subsequent heart failure.
Researchers at Harvard University have discovered that salamanders rely on the sympathetic nervous system to activate stem cells throughout the body, enabling them to regrow entire limbs. This finding may provide insights into developing regenerative treatments for humans, particularly in limb regeneration and organ repair.