Articles tagged with Neurons
Scientists at Max-Planck-Gesellschaft created an interactive atlas of gene expression in the zebrafish brain, revealing hundreds of genes with single-cell resolution. The new map integrates seamlessly with existing data, providing new insights into neural structure and function.
Researchers found that leptin receptor neurons prioritize social interaction over eating and drinking in moderately hungry mice. This system can only regulate moderate hunger, but not strong hunger, which may contribute to why diets don't work.
Researchers have mapped mosquito cells that can fine-tune their ability to detect attractive human odors. The discovery may lead to the development of more effective repellents to combat mosquito-borne diseases.
Researchers at Gladstone Institutes found that ApoE4 from neurons plays a critical role in Alzheimer's disease, contrary to previous focus on glial cells. The study shows that deleting ApoE4 from neurons reduces brain changes resembling Alzheimer's disease, offering new possibilities for treatment.
The new Cell Atlas updates reveal that 20% of all neurons in the mouse brain are inhibitory, with detailed information on morphological and electrophysiological properties. The atlas combines various datasets to create a coherent framework for simulating neural circuits.
A team of researchers has developed a new method to screen FDA-approved drugs to determine if they could be repurposed or improved to help patients with spinocerebellar ataxia type 5 (SCA5), a rare and debilitating disease. The pipeline uses cutting-edge spectroscopy to examine the interaction between mutant β-III-spectrin and actin, i...
A team at Harvard Medical School identified a novel mechanism of DNA repair that occurs exclusively in neurons, allowing them to maintain their function over time despite intense repetitive work. The NPAS4–NuA4 complex initiates a pathway to repair DNA breaks induced by neuronal activity.
A Chinese Medical Journal study analyzed the temporal and spatial distribution of epilepsy across China, finding significant increases in incidence and prevalence rates between 1990 and 2019. The study also showed a general decrease in age-standardized DALY rates with increasing socio-demographic index.
Scientists at University of Warwick and Politecnico di Milano developed a tool to regulate bacterial electric signals with light, opening new avenues for understanding antimicrobial resistance. This technology could help explain how some bacteria survive antibiotic exposure.
Researchers employed computer vision to extract social behaviors and linked them to brain synchronization patterns in a novel approach. During cooperative play, brain synchronization was strongest when participants shared gaze, while individual play showed increased within-brain synchronization.
A study in mice found that chronic stress impairs allopregnanolone production, a key neurosteroid involved in regulating emotions. This finding suggests that synthetic neurosteroid analogs might exert a beneficial effect in individuals with depression.
Researchers have identified specific subtypes of ellipsoid body (EB) ring neurons that regulate sleep in Drosophila. These subtypes, including R3p and R4m neurons, promote daytime sleep and nighttime wakefulness, respectively.
A UCF cancer researcher is studying the molecular causes of Alzheimer's disease by examining a protein deficiency in the brain. His research may lead to new targets for therapy and earlier diagnosis. The study focuses on KLF8, a protein important for brain function that has been recorded as deficient in patients with Alzheimer's.
Researchers found that children perceive time differently than adults, with a shift in bias around age 7. Children tend to overestimate the duration of an eventful video and underestimate that of an uneventful one, while adults exhibit the opposite bias. This switch is unexpected based on biological models of time perception.
Researchers generated cochlear avatars from stem cells, recreating hair cell function and transmitting electrical signals. This breakthrough enables the investigation of sensorineural hearing loss mechanisms and potential treatments.
Researchers found that calibrating rates of information delivery to match individual brainwave cycles speeds up cognitive skill improvement. This technique, called entrainment, increases capacity to absorb and adapt new information.
The Chan Zuckerberg Initiative grant will support advanced imaging training for over 2,000 scientists through a combination of hands-on events and online resources. Array tomography, an imaging technique that offers higher resolution and detailed molecular labeling, will be a key focus of the project.
A newly developed pop-up electrode device can gather in-depth information about individual neurons and their interactions, while limiting potential brain tissue damage. Researchers have designed the device to be stiff upon insertion but flexible afterwards, providing a 3D layout of neurons and brain connections.
Scientists found that chronic stress increases the activity of proopiomelanocortin (POMC) neurons, leading to behaviors such as anhedonia and depression. Inhibiting POMC neuron activity reduced these behavioral changes. The study suggests that POMC neurons play a key role in increasing susceptibility to stress-related behavioral problems.
Researchers found a link between astrocytes from schizophrenic patients and reduced vascularization in the brain, which may contribute to the disease's metabolic flux. The study suggests that astrocytes could be a target for novel therapies to address schizophrenia.
A recent study published in Science Advances has deepened the understanding of circadian rhythm regulation in mammals. The research found that intracellular cyclic adenosine monophosphate (cAMP) is controlled by a neural network, whereas calcium ions are regulated by intracellular mechanisms.
Researchers at Linköping University developed an artificial neuron that closely mimics biological nerve cells, with 15 out of 20 neural features replicated. The 'conductance-based organic electrochemical neuron' uses ions to control electronic current and demonstrates biorealistic behavior.
Scientists at UC Riverside have discovered that volatile repellents containing ammonia and amines can be used to combat insect-borne diseases by disrupting their sense of smell and taste. The research found that these compounds can silence olfactory neurons in mosquitoes, preventing them from detecting human skin odor.
Researchers at UT Health San Antonio identified a new inflammatory trigger in Alzheimer's disease and progressive supranuclear palsy, involving 'jumping genes' that form double-stranded RNA mimicking viral infections. This discovery opens new doors for understanding astrocyte biology and their role in transposable element control.
Researchers identified the molecular mechanism underlying Weiss-Kruszka syndrome, a rare neurodevelopmental disorder characterized by craniofacial anomalies and autistic features. The study reveals that the ZFP462 gene mutation leads to a failure to safeguard neural lineage specification during early embryonic development.
The study successfully demonstrated hypothermia in a primate model using targeted neuronal manipulation. Monkeys showed increased heart rate, shivering, and locomotion to defend their body temperature, highlighting a complex thermoregulation mechanism.
A study by Johns Hopkins Medicine researchers suggests that the brain's ability to focus on individual sounds amidst ambient noise declines with age, leading to a 'fuzzy' sound stage. The team trained old mice to filter out background sound, showing promise for treating age-related hearing loss.
A new study from the University of Tsukuba identifies a critical signaling pathway within brain cells that regulates both the length and depth of sleep. By manipulating enzymes and proteins, researchers found that altering this pathway can significantly impact sleep duration and quality.
Researchers developed a new method to target diseased neurons using light, changing their long-term behavior. The approach uses light-sensitive enzymes to create insulating or conductive coatings on cell membranes, tuning excitability in neurons.
A team led by UMass Amherst scientist Margaret Stratton is studying the calcium-sensitive protein CaMKII to understand long-term memory and its potential therapeutic applications. The research has far-reaching implications for treating neurologic diseases, cardiac dysfunction, and infertility.
Researchers at Cedars-Sinai found that estrogen can prevent symptoms of delirium in mice with urinary tract infections, reducing IL-6 levels in the blood and protecting neurons. The study suggests estrogen may be a tool to mitigate delirium, particularly in older women with UTIs.
Researchers at MIT and Harvard University have developed a new optogenetics-based tool to manipulate neuron excitability using light. By altering the electrical capacitance of cell membranes, they can change how strongly neurons respond to electrical input, with potential applications in learning, aging, and brain disorders.
Researchers identified a genetic variant linked to digestive disturbances in patients with Chagas megaesophagus, a disorder characterized by esophageal dilation and loss of motility. The study suggests that increased interferon-gamma production leads to mitochondrial dysfunction, contributing to the development of the disease.
Researchers from the Salk Institute have found that deteriorating neurons from people with Alzheimer's disease undergo a late-life stress process called senescence, leading to brain inflammation and neurodegeneration. By targeting these senescent cells with therapeutics, scientists hope to prevent or treat Alzheimer's disease.
Chronic social defeat stress impairs brain reward function, leading to severe social avoidance. A subset of susceptible mice exhibit heightened activity of lateral septum neurotensin neurons, which inhibit centers encoding social rewards.
The UNC School of Medicine lab, led by Bryan L. Roth, MD, PhD, solved the high-resolution structures of drug-like compounds bound to designer brain cell receptors, paving the way for more effective therapeutics for neuropsychiatric illnesses.
The study reveals that non-coding regions near sloppy-paired genes are essential for temporal transcription factor expression and that Notch-signaling regulates the transition to subsequent TTFs. This mechanism couples temporal patterning with neuron generation, providing insights into brain diversity.
Inducing a hibernation-like state in mice using Q neuron activation has been shown to protect kidneys from oxygen deprivation and avoid harmful side effects. This technique could lead to new methods of performing heart surgery with reduced organ damage.
Researchers found that IGF1 gene therapy increases kisspeptin expression and GnRH release, and alters microglial cell numbers, suggesting a potential protective effect against reproductive decline. This could lead to new strategies for optimizing lifespan and combating age-related health problems in women.
Research reveals TBX3 as a fate determinant controlling hypothalamic KNDy neuron development and puberty onset. Multiple TBX3 mutants fail to form phase-separated condensates, leading to delayed puberty in UMS patients.
Scientists used single-cell integrative secretion profiling technology to map the interaction between neurons and immune cells, revealing heterogeneity in secreted factors and their roles in regulating neuronal function. The study found that infiltrating macrophages inhibit neuronal secretion of exosomes, while microglia promote neuros...
Researchers found that deleting a copy of the Arid1b gene in specific brain cells decreased inhibitory signaling, leading to changes in synaptic properties and connectivity. The study suggests that this gene may be a key target for therapeutics in treating autism spectrum disorder.
Researchers discovered that cephalopods develop their large nervous systems using similar mechanisms as vertebrates, with a focus on the retina. This study provides insight into the developmental process of these intelligent creatures and could lead to new discoveries about human brain development.
A team of researchers has created a detailed map of the octopus's visual system, classifying different types of neurons in the brain. The study provides clues to the evolution of brains and visual systems more broadly, with potential implications for understanding human brain complexity.
Researchers discovered a specific population of brainstem neurons controlling sickness behaviors in mice, including reduced eating and movement. Inhibiting these neurons blunted the effects of inflammation on behavior, highlighting the link between the immune system and neural pathways regulating behavior.
A new study found that gestational exposure to the flame retardant FM 550 resulted in altered brain development in newborn rats, with effects more pronounced in male offspring. The study also showed evidence of mitochondrial disruption and dysregulated choline and triglyceride levels in brain tissue.
Researchers have uncovered the neural mechanisms behind sound perception, finding that the brain predicts expected sounds and responds to unexpected ones. The study provides insights into how the healthy brain learns complex skills and may offer clues for understanding neural disorders like schizophrenia.
Researchers at the University of Copenhagen have made a breakthrough in understanding schizophrenia by analyzing individual brain cells. The study identified specific neurons and networks affected by the disease, suggesting that targeting these areas could lead to new treatment options.
Researchers from University of Warsaw create spiking neuron using photons to mimic biological brain's behavior. This achievement paves the way for photonic neural networks that process information faster and more efficiently than conventional systems.
Researchers found lower serum TDP-43 levels in patients with C9orf72 repeat expansion or motoneuron disease, distinguishing them from other FTD subtypes. This study suggests TDP-43 as a potential biomarker for diagnosing specific FTD subtypes, enabling patient-specific interventions.
Researchers at Scripps Research Institute have developed a new tool to measure proteins in brain cells, revealing how brain activity remodels the physical structure of neurons. The study found that certain proteins related to DNA packaging play a key role in gene expression changes after neural activity.
Conscious perception of sound generates specific neuronal assemblies in the brain, differing from spontaneous brain activity. Under anesthesia, similar assemblies are present but lack sound-specificity, highlighting the importance of cortical creativity in sensory processing.
A new study found that SARS-CoV-2 causes significant neuron damage and inflammation within a week of infection in rhesus macaque monkeys. Aged animals with Type 2 diabetes experienced worse virus-induced neurological damage, raising concerns about potential spikes in neurodegenerative diseases.
A recent study led by Dr. Luis Cuello and Alain J. Labro found that a known Shaker channel mutation differs structurally from its human counterparts, with implications for drug development and ion transport mechanisms. The research reveals a unique conformation of the W434F mutant that is distinct from wild-type channels.
Researchers discovered that zinc can restore the functioning of proteins affected by mutations in the GNAO1 gene, leading to severe mental and motor disabilities. By reactivating hydrolysis, zinc enables neurons to communicate correctly with their environment.
The CMU Array, a new microelectrode array, offers customized treatments for neurological disorders by allowing for three-dimensional sampling and ultra-high-density configurations. This technology has the potential to transform how doctors treat conditions like epilepsy and limb function loss.
Researchers found significantly larger neurons in the brain's memory region of SuperAgers compared to cognitively average peers, individuals with early-stage Alzheimer's disease, and younger individuals. These larger neurons were spared from tau tangles, a hallmark of Alzheimer's disease, suggesting they may maintain structural integrity.
Researchers from Xi'an Jiaotong-Liverpool University found that brain stimulation combined with a nose spray containing nanoparticles can improve recovery after ischemic stroke. The treatment increased cognitive and motor functions, and weighed more quickly than those treated with TMS alone.
Researchers are studying COVID-19's impact on the sense of smell, finding that SARS-CoV-2 attacks support cells in the nose, leading to olfactory disorders. Potential treatments include gene scrambling fixes, platelet-rich plasma injections, and olfactory implants.
A University at Buffalo-led study suggests the huntingtin protein is involved in neuronal injury and regeneration. The research found that HTT moves from the injury site to the cell body, carrying components necessary for survival.