Articles tagged with Progenitor Cells
Researchers discovered a novel signaling role for smooth septate junction proteins in regulating stem cell growth and preventing tissue disruption. By maintaining spatially localized aPKC enzyme, sSJ proteins prevent excessive intestinal stem cell proliferation.
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.
Scientists at Southwest Research Institute (SwRI) have successfully replicated induced Pluripotent Stem Cells (iPSCs) using a new application of their cell-expansion bioreactor. The bioreactor's unique geometry allows for the growth of large quantities of iPSCs, which can differentiate into any other cell type in the body.
A USC Stem Cell-led team has successfully generated lab-grown kidney structures, or organoids, that exhibit kidney-like functions such as blood filtration and urine production. The 'assembloids' achieved maturity levels comparable to newborn mouse kidneys, paving the way for developing new therapies for patients awaiting transplant.
Researchers successfully created functional ureter tissue from pluripotent stem cells, bringing them closer to developing transplantable kidneys that can produce and expel urine. The achievement is a significant step toward next-generation regenerative therapies.
Scientists have developed a new approach to analyze proteins in individual cells during blood cell formation, bypassing mRNA intermediates. This study reveals the correlation between mRNA levels and protein expression, shedding light on the role of essential proteins in maintaining stem cell populations.
Researchers found that inhibitory neurons born later in brain development mature faster than those produced earlier, ensuring a balanced neural network. This regulation is controlled by genetic mechanisms and may contribute to developmental disorders.
Researchers have identified LINC01235 as a crucial regulator of NFIB expression and NOTCH pathway in TNBC, suggesting potential therapeutic targets for this aggressive form of breast cancer. The study provides new insights into the role of non-coding RNAs in cancer progression.
Researchers found that inhibiting WNT signaling after the hemogenic endothelium stage enhances blood progenitor formation from pluripotent stem cells. This strategy corrects intrinsic deficiencies and brings in vitro-derived HSPCs closer to their in vivo counterparts.
The study reveals conserved neural patterning mechanisms in mammalian hypothalamus development, tracing how brain cells emerge from neural progenitors during growth. The researchers identified four adaptive evolutionary divergences in human neurons, including a unique subtype and enhanced neuromodulation.
Researchers have discovered that the adult brain can generate new neurons that integrate into key motor circuits, potentially reversing damage in Huntington's disease. These newly generated cells replace lost neural networks and connect with complex brain networks responsible for motor control.
A USC Stem Cell mouse study has identified shared genes involved in regenerating cells in the ear and eye, which could lead to new treatments for hearing and vision loss. The researchers discovered that inhibiting a specific protein, p27Kip1, can encourage regeneration in both organs.
A novel subset of progenitor cells, called high-risk MSCs, reside in the stroma and promote DNA damage and tumor growth. These cells play a critical role in the initiation of ovarian cancer, particularly in older women or those with BRCA mutations.
Researchers developed a novel lentivirus-based gene therapy strategy in CD34+ hematopoietic progenitor cells, which showed therapeutic levels of expression of the anti-sickling beta globin protein. Cyclosporin improved transduction efficiency and preserved cell viability.
Researchers found that patients who consumed caffeine had better vascular health, as measured through endothelial cells. The study suggests that caffeine may play a role in controlling disease progression and improving cardiovascular health.
Researchers found that low Wnt signaling levels regulate NPC self-renewal, while higher levels initiate differentiation into mature kidney cell types. The studies also reveal the role of beta-catenin in aggregating NPCs to form early kidney structures.
Researchers at CUNY ASRC identify distinct histone tag in adult oligodendrocyte progenitor cells that regulates their proliferation and may lead to innovative therapies for neurodegenerative diseases. The discovery holds promise for advancing myelin repair and improving patient outcomes.
Researchers have developed a multi-component hydrogel scaffold to mimic the amyloid-beta containing microenvironment associated with AD. The study found elevated levels of neuroinflammation and apoptosis markers in healthy neuronal progenitor cells cultured within this environment.
A new study published in GEN Biotechnology describes the establishment of a 3D hydrogel-based platform for producing functional T-cells from hematopoietic stem and progenitor cells. The platform was engineered with key thymic components to direct T-cell development, producing cytokine-producing T-cells.
A Michigan Medicine study reveals that circadian rhythms play a crucial role in mobilizing innate lymphoid cells, which defend barrier tissues. The study found that clock genes regulate the activation of these cells at different times of day.
Researchers at UC Riverside identify NMD pathway as crucial for early brain development and preventing microcephaly. The study links NMD regulation of brain size control to the tumor suppressor gene p53, suggesting potential new connections between NMD and cancer.
Researchers discovered MIA-602's effectiveness against Doxorubicin-resistant acute myeloid leukemia (AML), demonstrating reduced cell viability and tumor volume. The study suggests MIA-602 as a potential alternative treatment approach for AML, potentially circumventing chemotherapy side effects.
A study published in Nature found that the response to hematopoietic insults differs across the skeleton, with certain bones specialized to respond to specific stresses. The research uses confocal imaging microscopy to count different cell types and provides new insights into blood cell production, potentially leading to improved treat...
Researchers found that ageing reduces the ability of regulatory T cells to enhance myelin regeneration, which can have profound consequences for neurological functions. The study suggests that the loss of function may be reversible, and two new molecules, ITGA2 and MCAM, have been identified as potential therapeutic targets.
Researchers at Hokkaido University developed a technique to promote cardiac regeneration by activating mitochondrial function in transplanted cells. The study found that activated mitochondria improved cardiac function and suppressed myocardial fibrosis, suggesting a new approach for treating severe heart failure.
Researchers studied the effects of resveratrol on circadian clock gene expression in young and older human adipose-derived progenitor cells. They found increased levels of some components in older-APCs compared to young-APCs, but also observed gained rhythmicity of some components after resveratrol treatment.
Researchers at UC Irvine have identified a critical gene for muscle repair and regeneration, enabling the creation of muscle in the lab that can support human stem cells. The discovery has immense implications for treating various chronic muscle disorders and injuries, including rotator cuff tears and Duchenne Muscular Dystrophy.
A phase I clinical trial shows that transplanting P63+ lung progenitor cells can repair damaged lung tissue in patients with chronic obstructive pulmonary disease (COPD), improving breathing and quality of life. The treatment increased lung function, reduced symptoms, and even repaired mild emphysema in some patients.
Researchers found that epigenetic silencing shuts off key genes required for sensory cell conversion. Enzyme TET can remove methyl groups to reverse gene silencing and restore hearing capability. Progenitor cells in deaf ears may already be primed to convert into sensory hearing cells.
Researchers at the University of Copenhagen have discovered a way to replace diseased and aged brain cells with new ones, which could lead to treatments for neurodegenerative diseases like Huntington's disease and multiple sclerosis. The study used humanized mice models to test the effectiveness of glial cell transplantation.
Researchers found that young and healthy human glial progenitor cells can outcompete older and diseased cells in the adult brain, replacing them with healthier ones. This breakthrough has strong therapeutic implications for treating neurological disorders like Huntington's disease.
Children's Hospital Los Angeles researchers have identified a disruption in early kidney progenitor cell development linked to the formation of Wilms tumor. The study found that these cells can reproduce the original tumor and are aggressive, drug-resistant, and metastasize like cancer cells.
Scientists have identified Norn cells as the primary source of erythropoietin (Epo) in humans, a crucial hormone for red blood cell production. This breakthrough could lead to the development of new treatments for anemia and other conditions related to impaired Epo production.
Cedars-Sinai investigators have discovered a novel way to treat amyotrophic lateral sclerosis (ALS) and retinitis pigmentosa using human induced pluripotent stem cells. The new approach uses cells derived from iPSCs that are renewable, scalable, and can delay disease progression in rodents.
Researchers have identified a new cell state in embryonic airway development, which may lead to new approaches for treating chronic respiratory diseases. The discovery highlights the crucial role of cellular heterogeneity in shaping airway biology.
A new study from Tokyo Medical and Dental University sheds light on the neural stem cell niche's composition during development. Researchers found that vascular endothelial growth factor-A (VEGF-A) plays a crucial role in maintaining NSPCs under hypoxic conditions, promoting lower rates of cell death and increased cell proliferation.
Researchers found that p53 mutations in blood cells increase the risk of developing coronary heart disease and peripheral artery disease. The study provides solid evidence for the link between acquired p53 gene mutations and cardiovascular disease, suggesting a potential new risk factor.
Researchers from Kumamoto University reveal how hematopoietic stem and progenitor cells orchestrate intestinal tissue repair through microbial signals. The study found that acute gut inflammation triggers the activation and expansion of immune progenitor cells, which migrate to lymph nodes to promote tissue repair.
A recent study identifies a specific gene, GNL3, that regulates neural proliferation in response to lithium, which is used to treat bipolar disorder. This gene plays an important role in brain function and has been implicated in risk for bipolar disorder, schizophrenia, and inter-individual variations in intelligence.
Research at Kumamoto University reveals that fetal liver blood cells are stem cell-independent, contrary to the long-held view that HSCs are essential for their production. The study provides new insights into the origin of HSCs and suggests a reconsideration of their role in embryo formation.
Researchers have discovered a cellular and molecular mechanism essential for intestinal epithelial regeneration. Progenitor cells modulate the production of mitogenic factors, controlling intestinal stem cell proliferation and tissue regeneration. This finding breaks new ground in research into counteracting radiotherapy side effects.
Researchers at Brigham and Women's Hospital identified Basal Cell Adhesion Molecule (BCAM) as a key population of proliferative cells involved in corneal regeneration. BCAM plays a crucial role in mediating corneal differentiation, which could lead to future medical therapies for corneal disease.
Researchers at the University of Pittsburgh have discovered that even terminally exhausted T cells retain some capacity to function again. They identified approaches to overcome exhaustion by targeting co-stimulation pathways and reprogramming T cells to be resistant to hypoxia, a common tumor microenvironmental signal.
Abemaciclib, a CDK4 & 6 inhibitor, showed profound inhibition of cell proliferation and triggered senescence and apoptosis in breast cancer cells. Continuous dosing provided sustained inhibition with irreversible effects through apoptosis, supporting the differentiated safety and efficacy profile.
A new molecule called embigin has been discovered to regulate sebaceous gland progenitor cell function. Embigin binds to fibronectin and directs transport proteins for lipid synthesis, playing a crucial role in sebum production.
A team of researchers has successfully treated damaged pig hearts with cardiac progenitor cells, demonstrating the formation of new cardiac tissue and improved cardiac function. The treatment could potentially be used to treat patients with serious heart failure, particularly older patients with coexisting conditions.
Researchers have identified a single gene, FOXG1, that can control brain cell growth in humans. The discovery provides hope for developing new treatments for neurodevelopmental disorders and stopping brain tumor cells from growing.
Researchers at HKUST discovered a protein called CPEB1 that drives skeletal muscle stem cell activation to repair damaged muscle. The study reveals discordance between SC proteome and transcriptome during activation, showing post-transcriptional regulation.
Researchers discovered that a transcription factor called MUTE induces a cell cycle inhibitor SMR4 to slow down the cell cycle, allowing for asymmetric division. A variant with excess SMR4 showed a longer cell cycle during symmetric division, revealing a crucial regulatory mechanism in plant stomatal development.
A combined treatment strategy targeting SARS-CoV-2 symptoms and severe lung tissue injury is essential to minimize lung sequelae. Researchers are exploring therapy using lung epithelial stem and progenitor cells to mitigate virus-induced inflammatory storm and promote tissue regeneration efficiently.
Breakthrough research reveals Tuberous Sclerosis Complex arises from human-specific progenitor cells, explaining its pathology. Human-derived cerebral organoid models shed light on complex brain development and potential mechanisms for other diseases.
Scientists at St. Jude Children's Research Hospital identified a 'modular' super-enhancer that controls gene expression during retina formation, revealing four distinct regions with different functions. This discovery provides a way to study gene expression during development and offers a blueprint for studying brain development.
Researchers developed a new technique to analyze brain cell development, finding that cells of similar types are often unrelated and can converge from different progenitors. Conversely, different cell types can diverge from the same progenitor, determining their fate during differentiation.
A new study reveals that extracellular vesicles deliver genetic instructions for the longevity protein Klotho to muscle cells, which declines with age. This finding suggests that EVs could be developed into novel therapies for healing damaged muscle tissue and improving functional recovery in older individuals.
Researchers describe disassembly of Drosophila fly trachea during metamorphosis, revealing two-stage process involving cell shrinkage and death. The study highlights intricate involvement of physical mechanisms and biological signalling in regulating cellular decisions.
Researchers discovered that cancer-associated mutations in blood progenitor cells lead to distinct changes in both cancer and non-cancer immune cells in Waldenstrom macroglobulinemia. This finding has potential implications for origins and therapy of the disease, suggesting a new approach to immune therapies.
Scientists developed a new technique, sci-Space, to map gene expression over time and location at single-cell resolution in mouse embryos. They observed thousands of genes whose expression was anatomically patterned, including spatially restricted profiles in brain and heart cells.
Researchers at the University of Tsukuba developed a novel technique to generate BM chimeric mice without irradiation, promoting cost-effectiveness and animal safety. This approach enables scientists to study the immune system in both healthy and diseased states using culture-based enrichment of hematopoietic stem and progenitor cells.
A recent study found that inhibiting key enzyme GSK3-beta with varying doses of CHIR 99021 promotes or constrains brain cell growth in minibrains, shedding light on its role in natural brain development. Low doses enhance proliferation and migration, while high doses limit growth and neuronal differentiation.
A new study reveals the genetic mechanism behind human brain development, identifying a key molecule called ZEB2 that influences brain growth. The research found that human brain organoids grow larger and have more neurons than those from other apes due to a delayed change in cell shape.