Articles tagged with Neural Stem Cells
A new study suggests that up to 1 in 4 cases of congenital hydrocephalus may be linked to genetic mutations affecting neural stem cell growth, leading to underdeveloped brains and enlarged ventricles. This paradigm shift could lead to targeted therapies such as gene editing or drugs to optimize neurodevelopment.
Researchers at NC State University have created a stem cell-derived model that sheds light on the effect of dopamine on gene activity in neurons, revealing gene desensitization in human cells. The study provides a blueprint for future research into the relationship between dopamine and addiction.
Researchers used gene therapy to recover the TCF4 gene's function in human brain tissue, rescuing neural structure and function in brain organoids. The study offers promising insights into treating neurological disorders like autism spectrum disorders and schizophrenia.
Scientists at Johns Hopkins Medicine have successfully cultivated human muscle stem cells capable of renewing themselves and repairing muscle tissue damage in mice. The self-renewing stem cells were created by reprogramming laboratory-grown human skin cells, which then differentiated into specific cell types using a nutrient-rich broth.
A study published in Nature Neuroscience found that hydrocephalus is caused by problems with brain stem cells, not fluid circulation. Genetic analysis identified a key gene mutation, TRIM71, which disrupts neuroepithelial cell development, leading to underdeveloped brains and cerebral cortex compression.
Researchers have identified the complete series of 10 factors that regulate the development of brain cell types in the visual system of fruit flies. This discovery opens new avenues of research to understand how brain development evolved in different animals and holds clues for regenerative medicine.
Researchers discovered newborn neurons and immature astroglia in patients with epilepsy, which could lead to new anti-seizure medications. The study suggests that targeting immature astroglia may be an effective approach to controlling seizures without aggressive brain surgery.
In a study published in Nature Communications, researchers uncovered the molecular players involved and how timing is controlled for creating neural diversity. Single-cell RNA sequencing technology revealed a temporal patterning gene network in Drosophila medulla neuroblasts, including nine new transcription factors.
Researchers have discovered a novel nano-therapy that prevents bronchopulmonary dysplasia (BPD) in premature babies. The therapy uses tiny particles released by mesenchymal stromal cells, which travel to the brain and lungs, reducing damage and improving lung and brain health.
Researchers at Baylor College of Medicine discovered oleic acid as a key regulator of neurogenesis in the hippocampus, enabling learning, memory, and mood regulation. This finding has major therapeutic implications for treating diseases like Alzheimer's and depression.
Researchers at Niigata University identified a novel Olig2 binding protein called Ddx20, which regulates RNA metabolism and transcription. Ddx20's interaction with Olig2 helps maintain cell survival and prevents apoptosis in neural progenitor cells.
Scientists at Flinders University have developed a new petri-dish that can grow and age live brain cells from patients, enhancing future studies on conditions like dementia, Parkinson's, epilepsy, and autism. The innovation could lead to more effective targeted drug treatments with reduced wait times.
Research reveals YME1L protein balances cellular proliferation and quiescence in neural stem cells. Defects lead to premature conversion of stem cells into neurons, impairing long-term neural regeneration.
Neuroscientists have designed neural organoids with both mature neurons and astrocytic glial cells to study interactions between brain cells. The new technology enables the emulation of brain activity during healthy and disease states, opening doors to rapid drug screening for neurological diseases.
Researchers at Johns Hopkins Medicine found that certain stem cells have built-in tracers made of sugars that can track their movement in living tissues. The discovery could streamline and advance restorative research for diseases of the brain.
A new cloud-based data resource has been developed to help identify new subtypes of amyotrophic lateral sclerosis (ALS), a fatal neurological disorder. The tool, part of the Answer ALS collaborative effort, uses biological and clinical data from over 1,000 patients to better understand the disease.
Researchers developed a new method to screen drugs for treating Alzheimer's disease, shedding light on why current treatments have been ineffective. The study identified new targets for drug development by analyzing disease mechanisms in human neurons.
Researchers discovered that old neurons can block neurogenesis in mice, highlighting excessive senescence as a driving factor behind aging. By destroying senescent cells, the study showed enhanced hippocampal neurogenesis and cognitive function in middle-aged mice.
Researchers grew 'mini-brains' from stem cells of patients with and without schizophrenia, finding reduced gene expression in patient samples that stymied brain cell development. Replacing the missing genes restored normal brain cell production, suggesting a potential target for therapy.
Researchers at Johns Hopkins Medicine have discovered that manipulating certain nerve cells may trigger the formation of new heart muscle cells, restoring heart function after heart attacks. The study found that removing specific genes associated with circadian rhythms increased neonatal heart size and cardiomyocyte numbers by up to 10%.
A recent study published in PLOS ONE found that combining copper ions with a drug once used for treating alcoholism kills medulloblastoma cancer cells and prevents new ones from forming. The therapy also curtails the creation of cancer stem cells, which initiate tumor growth and recurrence.
A new study investigates the effects of cord blood cell transplantation and curcumin administration on Tay-Sachs disease. The results show an increase in enzyme production and a decrease in inflammation after transplantation, as well as improved symptoms and reduced GM2 ganglioside levels when combined with curcumin.
A new study by University of Pennsylvania researchers uses human gingiva-derived mesenchymal stem cells to guide nerve growth and regeneration, achieving similar results as traditional autograft procedures. The approach has potential for treating larger nerve gaps, including those resulting from oral cancer surgery.
Researchers have identified a molecule called fractalkine that can boost the production of brain cells producing myelin, a key factor in diseases such as multiple sclerosis. The study's findings suggest that fractalkine could be used to treat certain neurodegenerative disorders by restoring lost myelin.
A new study published in Nature Communications reveals that low-risk and high-risk neuroblastoma have distinct cell identities, which can affect survival rates. The researchers identified a progenitor cell type found in fetal adrenal tissue, which may contribute to the development of aggressive neuroblastoma in older children.
Researchers created tiny human midbrain-like organoids that mimic the major pathological features of Parkinson's disease. These organoids enable scientists to study how the human brain develops and communicates, providing insights into the progression of the disease and potential new treatments.
Researchers found that astrocytes carrying the AD-associated APOE4 gene released more cholesterol, leading to increased beta-amyloid production in neurons. This study suggests modulating brain cholesterol could be a potential treatment option for Alzheimer's disease.
Researchers at UCLA developed brain organoids that mimic human brain structure and function, allowing for the study of neurological disorders like Rett syndrome. The organoids showed organized waves of activity similar to those found in living brains and responded to treatment with an experimental drug.
Rare fossils from the Cambrian period confirm the presence of an ancestral frontal domain in arthropods, which gives rise to crucial neural centers involved in decision-making and memory. The discovery also sheds new light on the evolutionary origin of visual systems in arthropods.
The study found that PirB expression increased with age and inhibited neural stem cell proliferation and differentiation. PirB-deficient mice showed an increase in Type 1 neural stem cells, promoting Sox2 and KLF4 gene expression. This suggests a potential therapeutic strategy for elderly or neurodegenerative patients.
Researchers identified a genetic mutation in nonhuman primates that closely resembles Pelizaeus-Merzbacher disease, a rare and progressive disorder affecting the central nervous system. The discovery was made possible by a massive genomic database built at OHSU's Oregon National Primate Research Center.
A study published in Science Translational Medicine identified a common cellular defect in ALS that can be treated with an antisense oligonucleotide drug. Researchers found that the accumulation of CHMP7 protein in the nucleus leads to nuclear pore injury and TDP-43 mislocalization, ultimately causing cell death.
A study by Kyushu University researchers found that deficiencies in key genes lead to an imbalance in neural stem cells, resulting in fewer neurons and more astrocytes. This imbalance disrupts brain function and leads to Rett syndrome symptoms.
Researchers at the University of Basel have discovered two new types of glial cells in the brain that may play a crucial role in brain plasticity and repair. These cells can potentially be used to treat neurodegenerative diseases such as multiple sclerosis.
A new study by University of Virginia researchers identifies the final step in cell division as crucial for proper brain growth and function. Understanding this process may lead to potential treatments for microcephaly, a birth defect affecting brain development.
Researchers have successfully catalogued the effect of individual genes on human neuron function and survival, revealing unexpected results. The team's findings suggest that switching off certain genes can lead to an increase in oxidative stress, which may contribute to neurodegenerative diseases.
Researchers at the University of Oregon have discovered a cell division machinery in fruit flies that produces brain cells, revealing a mechanical cycle involved in differentiation. The study provides insights into brain development and potential regenerative therapies for injuries.
Scientists at Gladstone Institutes create an artificial intelligence system that can follow hundreds of cells in a petri dish, revealing key findings on cell behavior and leadership patterns. The AI approach provides a comprehensive view of how cells cooperate and form complex organs, with potential applications for therapeutic purposes.
Researchers used advanced imaging technology to film Zebrafish brains while they were alive, revealing that the activation of stem cells responsible for generating neurons is not random, but rather coordinated. This finding has important implications for understanding brain development and may lead to new treatments for neurodegenerati...
A team of University of Michigan researchers identified many genes crucial for fruit fly neuron development, including three previously unknown ones. The discovery provides insights into the complex process of neurogenesis and may lead to new approaches for understanding human brain development and regeneration.
Researchers at the Salk Institute have developed a new technique to model brain cells in older patients with Alzheimer's disease. The study reveals that affected neurons lose their cellular identity and exhibit changes similar to those seen in cancer cells, providing potential targets for therapeutics.
Researchers created mini-chambers on a microfluidic device where human motor neurons and skeletal muscle cells grew, forming neuromuscular junctions. The study found that ALS motor neurons formed fewer connections and regenerated axons less efficiently than healthy ones.
Researchers mapped the developmental landscape of the mouse hypothalamus, revealing a stepwise strategy for neural progenitors to generate extreme neuronal diversity. The study provides insights into hypothalamic plasticity and potential therapeutic targets for diseases such as anorexia and narcolepsy.
A new study published in Cell Stem Cell reveals that neural stem cells in the nervous system age rapidly, leading to a decrease in their ability to divide and replicate. The researchers found that certain genes, including Abl1, play a key role in this process, which may contribute to cognitive decline and dementia.
New research reveals sex-specific differences in brain stem cell activity and blood vessel density with age. Female mice show more efficient neurogenesis and better neuron migration compared to male mice, suggesting hormonal or genetic influences may play a role.
Scientists at Institut Pasteur have successfully visualized neural stem cell activation in adult zebrafish brains, demonstrating coordinated events in time and space. This breakthrough may improve understanding of regulation processes during brain tumor formation.
Researchers at Nagoya University identified a gene that enables African clawed frog tadpoles to regenerate nerves. Introducing this gene into mice with spinal cord injuries led to partial recovery of motor functions. The study suggests a new therapeutic approach for treating spinal cord injuries.
Researchers used layered double hydroxide (LDH) to inhibit inflammatory environments surrounding spinal cord injuries, accelerating neuron regeneration and neural circuit reconstruction in mice. LDH promotes the activation of channels for neuron excitation and induction of action potential, improving locomotive behavior.
A study by University of Zurich researchers reveals that increasing lamin B1 levels in aging mice stem cell division improves, leading to increased new neurons. The findings offer hope for future therapies targeting neurogenesis in older individuals or those with degenerative diseases like Alzheimer's.
A new study reveals that the Forkhead box protein O3 (FOXO3) gene helps preserve brain stem cells by preventing them from dividing until the environment is safe. This mechanism may contribute to the longevity of certain individuals and explain why exercise boosts mental sharpness.
Researchers have identified a brain enzyme that activates dormant neural stem cells, enabling them to proliferate and generate new neurons. The study found that the enzyme Pr-set7 plays a crucial role in maintaining genome stability and regulating cell cycle, leading to reactivation of neural stem cells.
Researchers have discovered that brain stem cells in the hippocampus of mice can divide repeatedly over several months, leading to new insights into the formation of nerve cells. This finding has significant implications for future therapeutic approaches to conditions such as depression and Alzheimer's disease.
Researchers discover that reactive oxygen molecules control cellular processes important for brain adaptation in mice. Free radicals are necessary for healthy aging and neuroplasticity, contradicting previous harmful views.
Researchers have overcome a major speed limit in manufacturing human neurons from stem cells, enabling rapid production of unlimited numbers of neurons. This breakthrough has significant advantages for academic researchers and pharmaceutical developers, providing a critical cell type weeks faster than before.
A team of researchers at Duke University has developed a new method to program stem cells into desired cell types using CRISPR gene editing. By analyzing the transcription factors key to making each cell type, they improved the accuracy of model cells grown from stem cells.
Researchers applied the Perturb-Seq method to study dozens of genes associated with autism spectrum disorder, identifying how specific cell types in the developing mouse brain are impacted by mutations. The study found that both neurons and glia are directly affected by different sets of risk genes.
Scientists at Sanford Burnham Prebys Medical Discovery Institute have created a drug that can lure stem cells to damaged tissue, improving treatment efficacy for neurological disorders. The discovery could expand the use of stem cell therapies to new conditions such as heart disease or arthritis.
Researchers have identified the precise timing and molecular signals involved in neural crest cell formation, shedding light on human neural crest-related pathologies. The study provides a high-resolution temporal map of gene expression and epigenetic changes during neural crest development.
Researchers at University of Copenhagen uncover crucial role of RRP7A gene in brain development and formation of primary cilia, which play a key role in controlling neural cell proliferation. The study sheds new light on the mechanisms underlying primary microcephaly, a rare congenital disorder characterized by reduced brain size.
A new study reveals that mouse ependymal cells have latent potential to differentiate into oligodendrocytes, which provide protective insulation for neural wiring. This finding suggests an alternative approach to spinal cord repair by leveraging resident stem cells.