Articles tagged with Neurons
University of Florida researchers have identified a new potential target for treating methamphetamine addiction by modulating the immune system. Using immune-modulating medicines, they were able to mitigate the effects of TNF and dopamine release in mouse brain specimens.
Researchers at Sanford Burnham Prebys found that transplanted stem cells develop neurons with unique codes to navigate and form connections in the brain. These codes guide the growth of axons and explain why most neurons of a particular subtype send axons to specific brain regions.
Researchers found that pain-sensing neurons activate tuft cells, which release parasite-fighting immune molecules, initiating an immune response. Silencing or removing these neurons reduces tuft cell numbers, indicating their crucial role in fighting parasites and potentially driving allergic diseases.
Scientists have observed changes in brain cells' signal transmission during learning processes, shedding light on the brain's adaptability. The study found that axon initial segments, responsible for generating electrical signals, can lengthen or shorten in response to experiences, influencing neuronal activity.
A mouse study by Okinawa Institute of Science and Technology researchers has found that acetylcholine release is essential for breaking habits and enabling new choices to be made. The study's findings may help understand diseases such as Parkinson's disease, addiction, and obsessive-compulsive disorder.
Research from Colorado State University sheds light on the regulation of chemical balance in the brain, focusing on GABA, a neurotransmitter that helps calm brain activity. The study provides insights into how neurons maintain effective communication with each other, even when GABA is produced far from synapses.
Researchers at King's College London discovered that dopamine-releasing neurons in the olfactory bulb have distinct structures and transmit signals in different ways. Two subtypes were found to behave like 'standard' neurons or locally acting cells, influencing smell processing differently.
Researchers developed a method that characterizes collective dynamics of neural activity using principles from thermodynamics. They found that neurons dynamically reshape their interactions during behavior and that the brain's internal temporal asymmetry shifts during task engagement, shedding light on efficient computation.
Midbrain dopamine neurons create a glycogen fuel reserve but regulate it in a way that leaves them vulnerable to glucose shortages as they age. This vulnerability may explain the deaths of these neurons in Parkinson’s disease.
Researchers at UT San Antonio have discovered the molecular mechanisms generating electrical oscillations in microtubules, a frequency similar to that observed during brain activity. This discovery could lead to therapies preventing or reversing memory loss and improving neuroplasticity.
Researchers identified a molecular mechanism linking early-life environments with memory by activating AP-1, which regulates genes involved in neuronal plasticity and learning. Early-life experiences produce long-lasting modulation of AP-1 activity, boosting gene networks that strengthen neuronal connections.
A research team identified a key function of the intestinal nervous system in controlling the intestinal barrier's composition and stability. The study suggests that the 'gut brain' acts as a central hub for health, immunity, and potentially conditions like allergies, and may be influenced by diet.
Researchers at UCSF found distinctive brain patterns in children with sensory processing disorder, which could help clinicians refine treatments for tantrums and emotional volatility. The study suggests that over-responsive children's brains dial up inward-focused networks to gain self-control.
Scientists have cataloged hundreds of target sites and widely varying editing rates for RNA editing in more than 200 individual cells of tonic and phasic motor neurons. The study found that most sites were edited at rates between extremes, and that some edits altered proteins involved in neural communication and function.
Researchers from UC San Francisco have identified the superior temporal gyrus brain region responsible for tracking words in a foreign language. The study shows that this region learns to recognize word boundaries through years of experience, enabling fluent speakers to distinguish individual words.
Researchers found that CRISPR-Cas9 gene editing persists longer and produces more predictable results in non-dividing neurons. They also discovered new DNA repair genes that can be used to control gene editing outcomes, which could lead to safer and more effective therapies for genetic diseases.
Researchers have identified the cells and connections underlying a fish's ability to dynamically change color to match its surroundings. The study found that specialized skin cells called melanophores control the color change, which helps the zebrafish evade predators by lightening its skin over tens of minutes.
A nonsurgical approach has been demonstrated to quiet a specific brain circuit in an animal model by delivering engineered gene therapy only to the targeted region. The method uses low-intensity focused ultrasound to open the blood-brain barrier, allowing precise control over brain activity without impacting off-target areas.
Researchers discovered that pancreatic tumors form pseudosynapses, exploiting the body's nervous system to drive tumor growth. Calcium waves triggered by glutamate binding promote metastasis and cancer progression.
Researchers at Penn State found that stress-sensitive type-one nNOS neurons regulate blood flow and neural activity in mice brains. Eliminating these neurons resulted in reduced blood flow and electrical activity, highlighting their critical role in brain function.
Researchers at OIST discover a common molecular cascade disrupting brain signaling in both Alzheimer's and Parkinson's diseases. They identify a shared mechanism affecting synaptic vesicle recycling, leading to impaired communication between brain cells.
Researchers have discovered a key role for the Frazzled protein in fruit fly neural circuits, revealing how it helps neurons form reliable connections. The study showed that when Frazzled is missing or mutated, neurons fail to form proper electrical connections, leading to communication breakdowns.
A high-resolution growth chart of the mouse brain has been created to study key brain cell types and their changes during development. The atlas reveals a dynamic sequence of brain growth and maturation in response to genetics and external stimuli, with implications for understanding neurodevelopmental disorders.
Researchers have discovered detailed visualizations of mosquito's carbon dioxide-detecting neurons, revealing anatomical adaptations designed to target human blood. The study provides key insights into the mosquito's sensing mechanisms and their unique ability to detect CO2, which contributes to their deadly status.
Researchers discovered how newly created neurons rely on blood flow to migrate through the brain. The study found that blood vessels act as physical 'scaffolds' and that blood flow influences migration speed, with higher speeds seen in regions with abundant blood flow.
Scientists have identified a previously unknown genetic disease, MINA syndrome, which damages motor neurons and affects movement and muscle control. The disease is caused by a rare genetic mutation in the NAMPT protein, leading to symptoms such as muscle weakness, loss of coordination, and foot deformities.
Researchers discovered that a specific type of brain cell is abnormally active in mice with schizophrenia-like behavior. By reducing the activity of these cells, the mice's behavior changed, suggesting a potential target for preventing cognitive symptoms. The study may pave the way for a new therapeutic approach.
A team of researchers from Yokohama National University has developed a novel compact superconductive neuron device that operates at high speeds with ultra-low power consumption. The device eliminates variation in elemental circuit characteristics, achieving ideal input-output characteristics and resolving the vanishing gradient problem.
A new study by MIT neuroscientists reveals that circular RNA, specifically circHomer1, strongly influences how neurons build circuit connections during visual system development. Knocking out circHomer1 prevents synapse maturation and delays expected neural adjustments in response to monocular deprivation.
Researchers at MD Anderson have discovered a previously unknown mechanism that explains how bacteria can drive treatment resistance in patients with oral and colorectal cancer. The study also identifies a new biomarker for improved immunotherapy responses in solid tumors.
Research reveals that ovarian aging is not just about egg quality, but also the surrounding cells and tissues. The study found that eggs cluster in pockets surrounded by egg-free zones, which decline in density with age, influencing egg lifespan and maturation.
Angelo Forli's research project aims to investigate the hippocampus, a key region for memory and learning, to understand its mechanisms and adaptability. His team will explore how neural networks regain control of regenerated organs and develop new technologies inspired by brain's 'regenerative intelligence'.
A collaborative team at Scripps Research is creating the first atlas of interoception, a process by which the nervous system monitors physiological signals to maintain vital functions. The team aims to build a comprehensive framework for mapping internal sensory pathways using $14.2 million NIH funding.
A researcher is exploring the hidden functions of vascular-neuronal interfaces to uncover how blood vessels influence brain development and connectivity. The study aims to develop new therapeutic strategies for diseases caused by disrupted communication between blood vessels and neurons.
Researchers have identified a group of cells called Y1 receptor-expressing neurons in the brainstem's lateral parabrachial nucleus as critical for regulating long-term pain states. These neurons integrate information about hunger, fear and thirst, allowing pain signals to be modulated by other brain circuits signaling more urgent needs.
Researchers at OIST investigate the neural basis of social hierarchy in male mice, identifying brain cells involved in determining dominance. The study found that the 'loser effect' is attributed to activity of certain brain cells, called cholinergic interneurons, and has implications for understanding human social behaviors.
The Neuropixels Ultra probe overcomes technical challenges in recording individual cells across multiple brain regions. It detects twice as many brain cells and distinguishes specific subtypes, enabling scientists to decode and track brain cell performance related to visual stimuli.
Researchers at La Jolla Institute for Immunology discovered that ALS is likely caused by an autoimmune reaction triggered by inflammatory CD4+ T cells targeting specific proteins in the nervous system. Anti-inflammatory CD4+ T cells may slow disease progression and prolong survival times.
Researchers at Champalimaud Centre for the Unknown used machine learning techniques to show that mice's facial movements reflect their hidden thoughts. This discovery could offer unprecedented insight into brain function and potential new research tools.
Researchers at UMass Amherst have created an artificial neuron with electrical functions that mirror those of biological neurons. The low-powered protein nanowire, made from bacteria, enables efficient communication between living cells and could lead to the development of new bio-inspired computers.
Researchers discovered a precise coordination between two proteins, BDNF and MMP-9, to strengthen specific brain connections. This mechanism is essential for learning, memory, and overall brain health.
The study found that a specific spinal circuit is involved in both ejaculation and arousal, and integrates sensory inputs to adjust its output based on the animal's internal state. The researchers also discovered that Gal⁺ neurons receive sensory input from the penis and can trigger ejaculation, but their effects are suppressed by brai...
Researchers used ultraflexible probes to track neurons in the visual cortex of mice for 15 consecutive days, revealing that millisecond rhythms explain how the brain maintains a stable picture of the world. The findings provide new insights for brain-computer interfaces, sensory prostheses and therapies for neurological disease.
Researchers used precise neural activity measurements from epilepsy patients to study how brain processes speech. The findings suggest the auditory cortex operates on a fixed, internal timescale independent of speech structures, providing a consistently timed stream of information.
Scientists at Linköping University develop artificial neurons made of conductive plastics that perform advanced functions like biological nerve cells. They simplify the basic structure to make it compact and biologically relevant.
A study published in Science Advances reveals that an autism-linked mutation disrupts brain circuits responsible for erasing fear memories, leading to PTSD-like symptoms. By reactivating specific neurons, researchers were able to reverse the behavioral and physiological abnormalities.
Scientists at UCSF successfully used CRISPRa to increase SCN2A levels in mice with the genetic disorder, resulting in reduced seizures and improved brain function. The therapy offers hope for treating neurodevelopmental issues related to SCN2A haploinsufficiency.
A study led by Keck School of Medicine of USC found that a stem cell transplant performed one week after an ischemic stroke in mice led to significant brain cell growth and functional recovery. The treated mice showed improved fine motor skills, gait, and reduced inflammation compared to untreated mice.
The team will study neurons within a brain organoid, a millimeter-sized, three-dimensional structure grown in the lab from adult stem cells, to design smarter and more sustainable artificial intelligence. They aim to replicate complex computations that occur in the human brain to improve AI efficiency.
Researchers found that lung cancer cells can form functional synapses with neurons, supporting their growth and survival. Disrupting glutamate signalling led to lower tumour burden and longer survival in experimental mice, highlighting promising therapeutic targets.
Researchers discover lung cancer cells in the brain form synapses with neurons, promoting tumor growth. This finding highlights the importance of neural signaling in cancer growth and suggests novel therapies to interrupt this signaling.
Researchers found distinct effects of single disease-causing gene variants across different brain regions, pointing to hippocampal disruptions as a key factor in cognitive problems beyond seizures. This study provides an early step toward understanding why current treatments often fall short and may help identify new therapies.
Researchers found that mutations in the CFAP410 gene change its interaction with another protein, making motor neuron cells more vulnerable to DNA damage and cell death. This discovery provides new insights into the mechanisms underlying Motor Neurone Disease and highlights potential targets for new therapies.
A team developed a metal-organic framework (MOF) neuron that perceives dopamine, a key neurotransmitter in the brain. The device demonstrated synaptic plasticity, integrate-and-fire dynamics, and spike tuning, mirroring biological neurons' behavior.
A USF-led Nature study identifies how a genetic variant disrupts microglia function, increasing Alzheimer's disease risk. The PICALM gene defect impairs waste-processing organelles in microglia, causing harmful lipid droplets to accumulate and weaken their ability to clear debris.
Researchers at POSTECH and Korea Brain Research Institute unveil NeuO's mechanism of selective neuron staining through PAK6 kinase phosphorylation. This breakthrough opens path for precise tracking and study of living neurons in brain.
Scientists at Gladstone Institutes discovered that overactivated dopamine neurons degenerate and die, leading to Parkinson's disease symptoms. Chronic activation of these cells can cause cell death, potentially triggered by genetic, environmental toxins, and compensating for lost neurons.
The study demonstrates that modulating the vagus nerve can effectively halt the progression of cachexia, enhance chemotherapy outcomes, and improve survival in preclinical models. This intervention restores normal liver metabolism, reduces systemic inflammation, and alleviates cachectic symptoms.
A parasitic worm has evolved to suppress neurons in the skin to evade detection, reducing its own survival. Researchers discovered that the worm produces molecules blocking TRPV1+ activity, essential for pain sensation and immune responses, allowing it to infect the skin undetected.
The "HippoBox" project aims to investigate neuroplastic changes in the hippocampus using brain organoids in real weightlessness. The research could provide new insights into cognitive health of space travelers and potential treatments for depression and dementia.