A new study suggests that supplementing a diet with Ascidiacea, also known as sea squirts, reverses some main signs of aging in animal models. The researchers found that plasmalogens, vital to body processes, decrease with age and contribute to neurodegenerative diseases like Alzheimer's and Parkinson's.
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 Cedars-Sinai discovered how the brain uses a group of neurons in the frontal lobe to monitor performance, enabling humans to learn from mistakes and develop specific skills. This mechanism allows for flexibility in learning new tasks and adjusting focus based on conflict or difficulty encountered.
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Scientists discovered that sleep neuron activity controls protective gene expression during sleep, which is essential for maintaining the brain and body. Disturbing sleep leads to overactivation of the sleep neuron, promoting further protective gene expression.
Scientists have discovered a master gene that programs ear hair cells into either outer or inner ones, enabling the development of these cells to restore hearing. This breakthrough could provide a previously unavailable tool to create specific hair cells and improve treatments for age-related hearing loss.
A newly discovered brain circuit facilitates focusing attention on salient features in the environment by heightening activity in specific microcircuits of the hippocampus. This circuit may play a role in executive functions and cognitive issues like dementia, ADHD, and psychiatric disorders.
Astrocytes, comprising nearly half of all brain cells, have been found to perform an electrically active function that influences neurotransmitter release and brain disease pathology. This discovery opens new avenues for neuroscience research and potential treatments for conditions like Alzheimer's and epilepsy.
Researchers at Johns Hopkins Medicine developed an AI training strategy to capture images of mouse brain cells in action, allowing scientists to understand how the brain functions and is affected by disease. The technology combines ultra-small microscopes with AI to enhance image resolution up to 52 frames per second.
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Chronic pain causes maladaptive emotional states and is often comorbid with psychiatric disorders. Researchers identified the neuronal circuit involved in chronic pain-induced anxiety in mice, finding that restoring its activity attenuates anxiety.
Scientists at Gladstone Institutes have discovered that reducing protein tau levels soon after birth can prevent autism and epilepsy in an experimental model. The study pinpointed the crucial brain cells where tau levels must be reduced to avoid these problems, and showed that lowering tau is still effective when initiated after birth.
Researchers at Salk Institute discover that brain parses information through interactions of waves of neural activity, changing how data is processed and affecting attention and focus.
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Scientists at MIT's Picower Institute mapped thousands of inputs to the anterior cingulate cortex and lateral posterior thalamus, finding that both regions receive input from non-sensory areas. The study provides a detailed roadmap for understanding selective attention in mice.
Researchers identified two genes associated with recovery within the first 24 hours after stroke, linking neuronal excitability to stroke outcomes. Genetic evidence suggests that calming overexcited neurons may protect the brain after a stroke.
Scientists have developed novel methods to study human brain cell migration during fetal development by tracking genetic mutations in healthy adult individuals. This allows for the first time to reconstruct brain development and provide key findings on cell type origins and hemisphere separation.
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Researchers tracked brain cell activity in zebrafish during seizures, finding that seizures arise from an excess of excitatory over inhibitory neuron activity in confined regions. The findings suggest a nuanced role for both excitation and inhibition in seizure origins.
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 by Tokyo University of Science researchers has demonstrated that a computationally-light model can simulate complex brain cell responses, including periodic and quasi-periodic responses. The Izhikevich neuron model was found to be capable of reproducing both types of responses at lower computational cost.
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.
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Researchers at Institut Pasteur have found that hypothalamic neurons can directly detect variations in bacterial activity, adapting appetite and body temperature accordingly. This discovery could lead to new treatments for diabetes and obesity.
Researchers found a higher number of small HDL particles in cerebrospinal fluid is associated with better cognitive performance and lower risk for Alzheimer's disease. These particles may play a key role in clearing amyloid beta peptides, which contribute to the disease.
Researchers at UT Health San Antonio have identified a novel mechanism by which tau protein causes neurons to die, which can be altered pharmacologically. This discovery provides a new framework for studying vertebrate models of tauopathy and eventually clinical trials.
The TTUHSC's C. Patrick Reynolds has received a $1.34 million CPRIT grant to investigate updating the clinical risk stratification scale for neuroblastoma and rhabdomyosarcoma, two childhood cancers in need of improved therapies.
Research in mice suggests that neutrophil extracellular traps (NETs) can cause further damage to the brain after a stroke by trapping other cells and reducing blood flow. Blocking NETs with a compound called nNIF may protect the brain from this harm, leading to better outcomes for patients.
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A new study by MIT researchers confirms that a single memory is stored across many connected brain regions, challenging long-held assumptions. The study used advanced imaging techniques to map memory encoding and recall activity in mice, revealing dozens of brain regions involved in memory storage.
A groundbreaking system implanted directly on the spinal cord has restored blood pressure regulation in a patient with multiple system atrophy-parkinsonian type (MSA-P), enabling them to walk again after being bedridden for over a year. This innovative therapy paves the way for new clinical breakthroughs in treating degenerative diseases.
Researchers developed new method to visualize CNS fibroblasts and their intercellular interactions in the CNS. The technique provides a detailed picture of CNS fibroblasts, including their location, size, morphology, and gene/protein expression patterns.
A University of Essex study found that people subconsciously attribute happiness to women and anger to men, with emotion influencing sex perception more than vice versa. The research suggests this bias may be an evolutionary advantage.
New research suggests the brain uses multiple strategies to process smells, employing both snapshot-like and evolving ensemble approaches. The study provides new tools for scientists to quantify and interpret brain activity patterns.
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A study reveals that Alzheimer's patients experience lethargy due to the degeneration of neurons that keep them awake, not a lack of sleep. Researchers developed a hypothesis that these patients have trouble staying awake and are testing a treatment approach to shut down the system keeping them awake.
Researchers at UT Southwestern identified a four-protein complex crucial for ribosome production, shedding light on the process of ribosome biogenesis. The findings may lead to new treatments for conditions like cancer, ribosomopathies, and neurodevelopmental disorders.
A team of Danish researchers has shed new light on a fundamental mechanism in all living cells that helps them explore their surroundings and even invade tissue. By studying the mechanical behavior of filopodia, they discovered how cancer cells use these structures to move towards their targets and penetrate tissues.
Researchers at UVA Health System discovered a cluster of cells in the brainstem that controls the body's response to severe blood loss. The study found that re-activating these neurons can restore blood pressure and heart rate in lab rats, offering new hope for treating traumatic injuries.
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Researchers have created an online resource that maps the cell types and genes expressed in the human and mouse trigeminal ganglion, a key relay center for migraine and facial pain. The atlas identifies potential therapeutic targets that are selectively expressed in cells driving head pain.
Researchers found that aesthetically appealing experiences trigger fast gamma waves after a one-second delay, indicating active meaning formation. Alpha waves were also observed, reflecting increased attention for high- or low-rated artworks.
Researchers at Cold Spring Harbor Laboratory have discovered that the brain region responsible for social behavior, the locus coeruleus, is activated precisely when a mother retrieves her pup. This finding could help reveal causes of disorders such as depression, anxiety, and autism, leading to potential new treatments.
A team at Harvard Medical School identified a mechanism that triggers local dopamine release in the brain when acetylcholine binds to axons, not previously known to initiate firing. This finding reveals more about the interaction between acetylcholine and dopamine systems, suggesting a new strategy for treating diseases like Parkinson's.
Researchers created cortical organoids from patients' skin cells, mimicking focal cortical dysplasia and identifying mechanisms involved in its emergence. The model can be used to screen existing medications for patients with severe epilepsy.
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A new study led by Kelly Monaghan at West Virginia University suggests that interrupting the immune response may improve multiple sclerosis outcomes. The researchers found that targeting a specific protein called CCL17 can prevent the disease from attacking the central nervous system, leading to milder symptoms and delayed paralysis.
A new study suggests that a high-salt diet can lead to the hyperactivity of brain cells, resulting in increased constriction of blood vessels and worsening of cardiometabolic diseases. The research also found that excessive salt consumption can trigger an unusual response in which neurons become more active despite reduced blood flow.
A recent study revealed the importance of Cav3.1-driven burst firing in the ventromedial hypothalamic nuclei in controlling anxiety-like behavior and energy expenditure following chronic stress. Enhanced burst firing was correlated with increased anxiety-like behavior, reduced food intake, and decreased energy expenditure.
A novel system to control protein aggregation in a model of Parkinson’s disease suggests that aggregation of alpha-synuclein plays a critical role in disrupting neuronal homeostasis and triggering neurodegeneration. Light treatment led to formation of Lewy body-like aggregates, neurodegeneration, and Parkinson-like motor deficits in mice.
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Researchers at OIST Graduate University identified the strip1 gene as essential for keeping retinal ganglion cells alive. The gene suppresses Jun-mediated apoptosis, promoting correct neural circuit formation in the retina. This finding opens promising new avenues for treating diseases like glaucoma.
Scientists have created a flexible, multipoint microLED array film that enables simultaneous optical stimulation at specific or multiple regions in the brain. The technology has potential broader applications in neuroscience research and could lead to new understanding of brain function and behavior.
Scientists identified neurons in mice brains that influence competitive interactions and shape group social behavior. The study provides new insights into human interactions and advances research related to neurocognitive conditions such as autism spectrum disorder.
Researchers found that mosquitoes' odor sensors shut down when forced to produce odor-related proteins, ignoring common insect repellents. This 'expression' process allows mosquitoes to adapt to their surroundings and avoids human scents.
Researchers aim to understand why up to 80% of individuals experience temporary or lasting changes in their sense of taste after COVID-19. Preliminary data suggests ACE2 and TMPRSS2 are highly expressed in taste buds, which may explain why these are common targets for the virus.
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Researchers at Toyohashi University of Technology have developed DNA stamper injections using nanoscale-tipped wire arrays to deliver biomolecules into live neuronal cells within brain tissues ex vivo and in vivo. This technique allows for the efficient genetic modification of brain cells, making it a powerful tool for neuronal research.
Researchers identified peripheral tissues as source of blood amyloid beta, which regulates blood glucose levels and suppresses insulin secretion. The study suggests a possible mechanism linking type 2 diabetes to Alzheimer's disease development.
Researchers identified key differences in metabolic processes between brain and spinal cord oligodendrocytes, which could lead to new therapeutic treatments for neurodegenerative diseases. The study also found that targeting a specific cell protein may enhance cholesterol and myelin production.
Sandia researchers have demonstrated that neuromorphic computers can solve more complex problems than artificial intelligence and may earn a place in high-performance computing. The findings show that neuromorphic simulations can track X-rays, disease spreading, information flowing through social networks, and financial markets.
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Researchers examine ways to target specific neurons using nanomedicine, aiming to improve treatment options for neurodegenerative diseases like Alzheimer's and Parkinson's. The study highlights the challenges of delivering drugs to specific populations of neurons in the brain.
Researchers developed a new genomic technology to analyze DNA, RNA and chromatin from a single cell, providing a comprehensive database for better understanding of brain diseases. The technology helped identify 63 cell types in the human frontal cortex region.
Researchers at UT Southwestern Medical Center have discovered a single protein that can reprogram mature astrocytes into stem-like cells capable of producing neurons and other cell types. This breakthrough may lead to new ways to treat brain injuries, strokes, and degenerative conditions such as Huntington’s disease.
Scientists identify a specialized zone in Muller glia cells called the citrullination bunker that sequesters damaged proteins, preserving vision. Chronic engagement of this process may lead to retinal degeneration, but inhibiting it could delay or prevent disease.
Worms use cost-benefit calculations to choose between different actions, similar to vertebrates. The study demonstrates that complex decision-making capabilities can be encoded in small biological networks.
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A new genetic-labeling method developed by Osaka City University researchers uses a single gene to reveal neuronal circuits from multiple upstream regions. The 'intersectional, anterograde transsynaptic targeting system' demonstrates enhanced synaptic specificity in two different mouse brain circuits.
A comprehensive analysis of brain cellular composition across amniotes shows that mammals and birds have dramatically increased neuron numbers in the telencephalon and cerebellum, associated with higher cognition. The study suggests that only a handful of unique evolutionary events augmented brain processing power in these groups.
Researchers have discovered a common thread between multiple neurodegenerative diseases, including Alzheimer's, dementia with Lewy bodies, and frontotemporal lobar degeneration. A protein called TMEM106B forms fibrils in diseased brain tissue, potentially hobbling cells.
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A study published in Cell Reports reveals that the APOE4 variant increases the risk of Alzheimer's disease by triggering the secretion of potentially toxic lipids in astrocytes. This secretion can lead to the accumulation of harmful lipids, which may contribute to neuronal death and disease progression.
Researchers at Max Planck Institute for Biological Intelligence discovered how a specific type of neuron can multiply two incoming signals in fruit flies. This finding provides insight into the algebra of neurons, which underlies various brain processes such as sound localization and visual motion detection.