Articles tagged with Cellular Neuroscience
This special collection aims to bring together cutting-edge research on cognitive aging, exploring its cellular and molecular underpinnings, as well as psychosocial and environmental factors. The collection seeks to foster a holistic understanding of how cognitive function changes with age.
A recent study using machine learning and computational modeling reveals that astrocytes play a more active role in brain function than previously thought. Astrocytes subtly modulate communication between neurons during synchronous brain activity, influencing network coordination and stability.
Researchers at the Carl Ludwig Institute discovered that synaptotagmin 1 in the cerebral cortex responds to lower calcium concentrations, triggering signal transmission and making cortical synapses more reliable and plastic. This knowledge provides a foundation for understanding brain disorders and developing new therapies.
Researchers from Karolinska Institutet have identified proliferating neural progenitors in the adult human hippocampus, confirming ongoing neuron formation. This discovery has implications for understanding brain changes during life and developing regenerative treatments for neurodegenerative and psychiatric disorders.
Researchers at Florida Atlantic University have secured two key grants to investigate targeting the MBLAC1 gene as a new approach to treat glioblastoma, a very aggressive and fast-growing type of brain cancer. The project aims to advance innovative projects that could make a meaningful impact on cancer therapy.
The study identifies the brain circuit controlling associations between stimuli and allows for indirect associations. The amygdala plays a crucial role in linking olfactory and taste stimuli.
Researchers at the University of Sydney have identified a new brain protein involved in Parkinson's disease and found that targeting it with a drug treatment improved motor function in experimental models. The study suggests that this approach could slow or stop the progression of Parkinson's disease in humans.
Researchers suggest that brains reach a critical state to learn, remember, and think, which can be measured using fMRI technology. This framework offers a new perspective on neurological diseases like Alzheimer's, which disrupt the brain's ability to maintain criticality.
Researchers discovered that exploring environments can encode visual features, speeding up learning when tasks arise. The study found that unsupervised learning occurs even without specific goals or tasks.
Researchers have successfully modeled the synaptic vesicle cycle with unprecedented detail, shedding new light on how our brains function. The model predicts parameters of synaptic function that could not be tested experimentally, opening new avenues for neuroscience investigations.
Researchers at University of Gothenburg identified a group of nerve cells controlling semaglutide's appetite-suppressing effects without causing nausea. The discovery may lead to improved treatments for obesity and type 2 diabetes.
Ion channels can 'remember' previous signals, leading to changes in the receiving neuron that last for hours or days. This collective memory can accumulate over time, reducing communication between neurons and contributing to lifelong learning.
Researchers found that Marfan syndrome increases vulnerability to brain damage from reduced oxygen supply and raises the risk of subsequent neurological disorders. The study highlights the importance of recognizing and managing neurological risks in Marfan patients to prevent complications.
Researchers have identified the medial prefrontal cortex (mPFC) as the basis of emotional inference in animals and humans. In a study published in Nature, Xiaowei Gu and Joshua Johansen found that rats can learn inferred emotions by associating a neutral stimulus with an unpleasant experience.
Researchers found that hormone fluctuations during the mouse estrous cycle impact the shape and behavior of hippocampal neurons. The study suggests that sex hormones influence cognitive functions like memory and learning.
Researchers identified the thalamocortical pathway as the key area modified during learning, which physically changes links between brain regions. Learning refines the conversation between the thalamus and cortex at a cellular level, making it faster, stronger, and more precise.
Increasing Klotho protein levels in mice extends lifespan and improves both physical and cognitive health when aging. The treatment also enhances muscle, bone, and cognitive health, with potential benefits for osteoporosis prevention and brain function.
The Simons Collaboration on Ecological Neuroscience (SCENE) is a 10-year program that will support projects aiming to uncover how the world shapes representations in the mind and brain. By integrating sensory and motor information, researchers hope to discover fundamental principles of cognition applicable across species.
Researchers at Ruhr University Bochum found that energy depletion causes unusual glutamate releases that contribute to nerve cell damage. These abnormal events are self-reinforcing and can be reduced by inhibiting specific receptors.
Researchers found that surgery induces accumulation of senescent cells in the hippocampal region of aged mice, leading to neuroinflammation. Dosing with a combination of Dasatinib and Quercetin reduced surgery-induced inflammation.
Researchers found that different dendritic segments of a single neuron follow distinct learning strategies, with apical dendrites strengthened by local interactions and basal dendrites linked to the neuron's overall output.
A new study by McGill University researchers sheds light on the disruption of calcium transport in the brain's AMPA receptors, linking it to autism and intellectual disability. The findings could pave the way for treatments targeting these receptors, offering hope for patients with related neurological disorders.
A dopamine-producing brain circuit controls hedonic eating by promoting continued consumption of palatable food. Semaglutide temporarily suppresses this circuit, but weight loss reverses the effect. Targeted inhibition of dopamine neurons counteracts semaglutide's appetite-suppressing effects.
A new review article identifies major themes in AI application to neurosciences, including a 5-fold increase in AI-related publications. The study also notes a surge of over 13-fold in clinical neurology AI-related publications in the past decade.
The Open Brain Institute launches a groundbreaking platform to simulate and study digital brains, empowering researchers to explore brain complexity and diseases. With its virtual neuroscience laboratories, the OBI enables global collaboration and access to cutting-edge virtual labs.
A new study reports that Raman spectroscopy, a noninvasive technique, can distinguish between abnormal FCD type II tissue and healthy brain cells with remarkable accuracy. This method could provide real-time guidance for surgeons to more accurately identify and remove affected tissue during surgery.
Studies have consistently shown that 40Hz gamma stimulation can improve cognitive function and reduce Alzheimer's pathology in mice. In human clinical trials, participants exposed to 40Hz light and sound experienced significant slowing of brain atrophy and improvements on some cognitive measures compared to untreated controls.
Researchers tracked thousands of neurons as a mouse learned to navigate two virtual corridors, revealing distinct representations of each corridor. The study sheds light on cognitive map formation and may provide insight into memory disorders like Alzheimer's.
Researchers discover that tau protein and beta-amyloid, key pathological hallmarks of Alzheimer's, affect brain circuits in distinct yet synergistic ways. This study suggests a potential breakthrough in treatment strategies by highlighting the need for dual-targeted therapies.
Tobias Ackels' research reveals that mammals can differentiate between odor sources at lightning speed, using a temporal dimension to orient themselves in space. This ability is encoded in the output of the olfactory bulb and could be used for early detection of dementia.
The research aims to understand how high-risk genes disrupt neurodevelopment and lead to neuropsychiatric conditions, potentially informing diagnostic and therapeutic approaches. A national team of researchers will examine the effects of these genes on brain development, connectivity, and behavior in a mouse model.
UCSF researchers found that when brain cells of female mice express only a maternal X chromosome, their memory and cognitive skills deteriorate faster. This study could explain the variation in brain aging between the sexes and individual women.
Researchers have found that microglia function differently in adult male versus female mice when given an enzyme inhibitor, with potential broad implications for how neurological diseases are studied. This discovery highlights the necessity of gender-specific research and may lead to new disease-modifying therapies targeting microglia.
Scientists at the Allen Institute have identified specific cell types in the brain that undergo major changes with age, which could lead to new treatments for age-related brain diseases. The study provides a detailed map of brain cells affected by aging and highlights potential connections between diet, inflammation, and brain health.
Research uncovers crucial coupling mechanism between neuronal activity and mitochondrial function in aging mice, revealing potential pathway to combat age-related cognitive decline. Enhancing this mechanism improves cognition in aged mice, highlighting its potential as a therapeutic target.
A new study by University of Iowa researchers has identified the first and only neurons necessary for salt appetite in mice and humans. These HSD2 neurons are triggered by aldosterone, a hormone that controls sodium levels, and play a crucial role in maintaining fluid balance in the body.
A new study found that heat therapy positively modulates multiple physiological parameters in APP/PS1 mice, with improved memory in males and worsening effects on females. This highlights the importance of personalized treatments based on sex-specific responses to therapy.
Researchers propose a new model for understanding how information is transmitted in the brain by describing a unique axon morphology that changes size and modulates action potential speed
Researchers uncovered how mutated PSEN2 accelerates disease progression in familial Alzheimer's disease by impairing synaptic function and disrupting cellular processes.
Researchers identified a novel role for the locus coeruleus in facilitating transition between NREM and REM sleep states while maintaining unconscious vigilance. Stress disrupts its functions, negatively impacting sleep quality. The study provides crucial insights into sleep disorders and could lead to improved treatments.
A recent study found that mechanoreceptors known as C-LTMRs play a crucial role in the wet dog shake response in mice. These receptors are connected to spinoparabrachial neurons, which transmit sensory signals to the brainstem, leading to the characteristic rapid body twists.
Researchers discovered brain cells that map an animal's position in behavioural coordinates, helping understand how the brain generates complex behaviors. The findings may be useful in understanding psychiatric conditions such as schizophrenia.
Researchers found that female mouse models of Rett syndrome have a mosaic-like distribution of cells expressing wild-type and mutant MeCP2 protein, leading to dysregulated genes. The study also discovered an unusual disease progression, with females having more dysregulated genes at the pre-symptomatic stage than later on.
Researchers found lower neuron density in regions of the cerebral cortex responsible for tasks like memory, learning, and problem-solving in children with autism. In contrast, other brain regions like the amygdala showed increased neuron density, suggesting unique promise in characterizing individuals with autism.
Researchers identified key aspects of how neurons integrate information over seconds, a timescale consistent with behavior. They found that CaMKII is an instructive signal for this process, but does not define synapse specificity, revealing a broader time window for synaptic plasticity.
A team of scientists has successfully mapped the entire brain of Drosophila melanogaster, a fruit fly, using electron microscopy dataset and connectome analysis. The complete map will help researchers understand how different circuits work together to control behaviors like motor control, courtship, and decision-making.
The BICAN Rapid Release Inventory provides early access to single-cell transcriptomic and epigenomic profiles from humans and other mammalian species. This open data release aims to accelerate discoveries in neuroscience by facilitating collaboration and data reuse among researchers.
Research led by Silvia Cappello reveals that extracellular vesicles play a crucial role in the development of the brain, facilitating communication between different cell types. The study found that these vesicles can transport specific molecular signals to the nucleus of recipient cells, inducing rapid transcriptional changes and infl...
A novel drug molecule has been found to reactivate a crucial protein called parkin, which plays a key role in maintaining healthy brain cells. The study's findings lay the foundation for the design of personalized treatments for younger patients with specific mutations, offering new hope for a cure for Parkinson's disease.
Researchers will classify autism types, identify responsible genes, and develop precision therapy for autistic patients. The team will employ neural organoids derived from diverse brain samples to accelerate autism research.
A new study published in Nature Communications reveals how propofol sedation alters the connections between brain cells in the thalamus and cortex, shedding light on the neural mechanisms underlying consciousness. The researchers found that disruptions to the matrix cells' activity play a crucial role in the transition to unconsciousness.
Researchers at the UAB Institut de Neurociències found that daily cannabidiol administration extends lifespan and improves symptoms in animal models of Leigh syndrome. CBD also improves cellular function, neuropathology, and breathing abnormalities, with a promising treatment option for this severe disease.
Researchers found that watching others experience harm increases serotonin release in the brain's lateral habenula, promoting resilience against depressive-like states. This breakthrough may inform new treatments for depression, PTSD, and addiction.
Researchers at ETH Zurich have developed ultra-flexible tentacle electrodes that can precisely record brain activity over extended periods, enabling detailed analysis of neural activity. The technology has the potential to diagnose and treat neurological disorders such as epilepsy, depression, and schizophrenia.
Researchers discovered a new type of brain activity called BARRs, which helps maintain balance in hippocampal neural networks during sleep. Disrupting these barrages can lead to impaired memory performance.
Researchers have discovered a new type of brain cell in the medial entorhinal cortex that accurately predicts future locations as an animal travels. This discovery helps explain how planned spatial navigation is possible and has important implications for understanding mechanisms of spatial navigation and episodic memory formation.
A new study found that 40Hz sensory stimulation preserves myelination, protects oligodendrocytes, and sustains electrical signal transmission in the brains of mice with cuprizone-induced myelin loss. The researchers also identified molecular mechanisms underlying these benefits.
Researchers found that dopamine treatment increased neprilysin levels and reduced beta-amyloid plaques in mouse brains, improving memory function. Long-term L-DOPA treatment also showed improved cognitive performance in mice.
Viji Santhakumar, a UCR professor, has been awarded a $3.5 million NIH grant to study brain circuit function and its impact on memory formation and cognitive deficits in diseases like epilepsy and Alzheimer's disease.
A new study reveals specific brain regions and cell types that are vulnerable to Alzheimer's disease, while others show resilience. Gene expression analysis and lab experiments highlight the role of Reelin in neuronal vulnerability and choline/antioxidants in sustaining cognition.