Articles tagged with Gabaergic Neurons
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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.
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 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 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.
Dr. Yehezkel Ben-Ari's Neuroarcheology framework links developmental mechanisms to disorders, offering new hope for previously untreatable conditions. His groundbreaking work has transformed our understanding of brain development and malfunctions.
Researchers have identified three cell types in the median raphe nucleus that control decisions on perseverance, exploration, and disengagement. These findings may help understand neuropsychiatric conditions such as OCD, autism, and major depressive disorder.
A new brain-mapping neurotechnology called Single Transcriptome Assisted Rabies Tracing (START) has been developed to map the brain's intricate neuronal connections. The technique combines two advanced technologies to resolve cortical connectivity at the resolution of transcriptomic cell types, enabling the identification of distinct p...
Research reveals that long-range projecting inhibitory neurons, particularly those expressing parvalbumin, play a key role in learning from aversive stimuli. These neurons are necessary for integrating multiple sources of aversive information and transmitting integrated data to the limbic system.
Researchers from Helmholtz Munich discovered that GIP decreases body weight by interacting with specific inhibitory neurons in the brain, offering a revolutionary approach to patients worldwide. The study reveals the underlying molecular mechanisms of GIPR:GLP-1R co-agonists and their potential as next-generation anti-obesity drugs.
Researchers have identified a cluster of neurons in the hypothalamus called GABRA5 that regulates energy expenditure. Astrocytes control this cluster, producing tonic GABA that inhibits it, leading to weight gain.
The study reveals that the GABA transporter structure is facing the cytosol and bound to a GABA molecule, sodium, and chloride ions. This binding mechanism is crucial for understanding GABA recognition and release into neurons.
Researchers discovered that parvalbumin interneurons secrete substance P, driving slow vasodilation and increasing blood flow in the brain. This process allows for waste removal and prevention of neurological dysfunctions like dementia.
Researchers found that an extra copy of a gene controlling synapse formation causes excessive inhibitory signaling in the brain of mice with Down syndrome. This may contribute to conditions such as autism, epilepsy, and bipolar disorder.
A new study from Tufts University School of Medicine and the Graduate School of Biomedical Sciences suggests that the timing of inhibitory neuron cell death may be a key factor in infantile spasms syndrome. Early diagnosis and treatment could potentially prevent significant impairments associated with the condition, offering hope for f...
A study by Nagoya University researchers has identified EP3 neurons as crucial in maintaining a stable body temperature of 37°C in mammals. The discovery could lead to the development of technologies that artificially adjust body temperature to treat heat stroke, hypothermia, and obesity.
A Brazilian study reveals that SARS-CoV-2 targets astrocytes in the brain, reducing neuron viability and causing damage. Infection was confirmed using MRI scans of mild COVID-19 patients and experiments on human nerve cells.
Inhibitory and excitatory neuronal circuits develop through different processes, with inhibitory neurons requiring visual experience to form mature functional maps. This discovery sheds light on the importance of continued study of inhibitory neural development and its connection to neurodevelopmental disorders.
A novel brain cell type, named theta off-ripples on (TORO), has been discovered in the hippocampus, playing a key role in the formation of memories. TORO neurons are activated during sharp wave ripples and inhibit other brain areas, propagating SWR information broadly in the brain.
The study found that the fragile X protein regulates the opening and closing of the GABA-A receptor in neurons from the brain's memory center, influencing how such neurons process information. This nuanced understanding may hold the key to developing effective therapies for fragile X syndrome.
Scientists have created a searchable atlas of distinct cell populations in the ventral tegmental area, a key brain region involved in reward-directed behavior and substance use disorders. The study identified 16 cell populations, including classic dopaminergic neurons, glutamatergic neurons, and GABAergic neurons.
A new study reveals that the superior colliculus, a lesser-studied region responsible for saccades and facial recognition, dynamically changes its clustering of neurons depending on the mouse's conscious state. This finding suggests that the brain optimizes visual information processing based on its awake or anesthetized state.
Researchers have found consistent patterns in GABAergic neuron development between humans and mice, shedding light on the causes of neurodevelopmental disorders like autism and schizophrenia. The study uses single-cell RNA sequencing to create detailed maps of gene expression during human brain development.
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.
Researchers have identified a neural pathway that links the circadian clock, stress, and wakefulness in mammals. The study found that excessively active corticotropin-releasing factor neurons triggered insomnia and other sleep disorders when the circadian rhythm was disturbed.
A team of researchers from Tokyo Institute of Technology identified key 'water neurons' in the subfornical organ that stimulate water intake when dehydrated. They also found CCK-producing excitatory neurons that activate GABAergic interneurons to suppress thirst under sodium-depleted conditions.
A team of UTSA researchers discovered long-range parvalbumin-expression neurons from the cortex to the striatum in mouse brains, challenging the exclusive local organization of cortical circuit neurons. This finding could lead to new treatments for epilepsy, PTSD, schizophrenia, and other mental conditions involving GABAergic neurons.
The University of Texas at El Paso has been awarded $1.3 million to investigate how neural circuits regulate specific cognitive functions in humans. The research, led by Dr. Manuel Miranda-Arango, aims to identify and characterize glycinergic neurons in the basal ganglia and their connections to other brain areas.
A novel gene therapy has been developed to regenerate functional new neurons in mouse models of Huntington's Disease, offering a potential treatment for the condition. The therapy uses NeuroD1-based gene therapies to convert brain internal glial cells into functional new neurons.
The RIS neuron in threadworms serves both to induce sleep after shedding its cuticle or recovering from stress, and to halt movement during locomotion, enabling the worm to change direction or avoid danger. This dual function highlights the complexity of simple life forms like worms.
A new neural circuit related to VTAGABA+ neurons mediates visually evoked innate defensive responses, involving the SC Glut+_ VTAGABA+_ CeA pathway. This discovery provides insights into potential mechanisms of survival across species and maladaptive behavior in fear- and anxiety-related mental disorders.
Researchers identified a key neural circuit involved in OCD, including connections between the basolateral amygdala and medial prefrontal cortex. Altering this circuit's activity was shown to impact OCD-like checking behavior, providing new insights into the disorder's pathophysiology.
A team of scientists has discovered how flies coordinate long flight bouts by releasing neuronal brakes, allowing them to conserve energy. The finding reveals that a specific circuit involving dopamine-producing neurons and GABA-producing output neurons regulates flight duration.
A team of researchers at IST Austria found that the specialized ion channels in PV+-BCs neurons are gated to optimize both fast signalling and energy efficiency. This discovery resolves a major contradiction about how these neurons generate signals, finding that they are more energy-efficient than previously thought.
Researchers successfully assembled and monitored functioning human forebrain circuits, enabling the study of normal brain development. The method also enables the personalized study of psychiatric disorders by attributing defects to conditions like Timothy syndrome.
Researchers identified synaptotagmin 2 as the primary calcium sensor responsible for rapid neurotransmitter release in GABAergic synapses, enabling fast signaling speed and precision. This discovery has significant implications for our understanding of microcircuits and motor control in the brain.
Scientists have developed a rapid and robust protocol to generate functional human GABAergic neurons from stem cells in a single step. This allows for the creation of high-quality neuron populations for studying psychiatric disorders and rapidly screening drugs.
Researchers at Scripps Research Institute discover how an immune system molecule affects the brain, leading to reduced appetite in cancer and other disease patients. The discovery points to potential targets for treating loss of appetite and supporting weight gain.
The study found that selective UBE3A loss from GABAergic brain circuits leads to seizure behaviors and EEG abnormalities typical of AS model mice. Further research into the effects of UBE3A loss in other neuron types may reveal new therapeutic strategies for Angelman syndrome.
UC Berkeley researchers discovered a neural switch in the medulla that activates rapid transition to REM sleep, characterized by muscle paralysis and cortical activation. Activating this group of neurons can send mice into dreamland, while inactivating them reduces or eliminates REM sleep.
Researchers at UNC School of Medicine used new deep-brain imaging techniques to link individual neuron activity patterns to specific behaviors in mice. The study found that nearly identical neurons had separate functions, with some activated during searching for food and others during consumption.
Researchers from Japan created a human Dravet syndrome model using patient-derived induced pluripotent stem cells, revealing the effect of SCN1A mutations on GABAergic neurons. This breakthrough provides an unparalleled insight into the mechanism behind DS and a unique platform for drug development.
Neuroscientists at CSHL develop genetic 'GPS' system to comprehensively label GABA neurons, enabling real-time tracking and manipulation. The system uses Cre-Lox recombination to create cell-type specific markers, allowing for the study of inhibitory modulation in living brains.
Researchers developed detailed models of brain energy metabolism to explain why some neurons die in Alzheimer's disease, while others remain unaffected. The models identified a key enzyme that allows GABAergic neurons to survive despite disrupted gene function.
A study in mice reveals that loss of the protein MeCP2 in inhibitory nerve cells reproduces nearly all features of Rett syndrome, a devastating neurological disorder. The lack of MeCP2 impairs communication between neurons, leading to cognitive deficits, breathing difficulties, and repetitive behaviors.
A study by Case Western Reserve University found that stopping thoughts burns energy, similar to how thinking itself consumes energy. The researchers used a computer model and Metabolica software package to analyze brain metabolism.
Researchers discovered how nicotine adjusts neuronal wiring to enhance memory, including effects on GABAergic neurons and calcium-mediated signaling. This work provides insights into the mechanism of nicotine's learning-enhancing effects, which may lead to development of new treatments for cognitive deficits.
Researchers at Barrow will study neurons from HH tumors to understand why seizures occur and how GABA causes excitation instead of inhibition in some HH neurons. The study aims to develop new strategies for treating gelastic epilepsy.
The study reveals that histamine-triggered neurons maintain normal waking-level activity during cataplexy and are not affected by drugs that increase the condition. The findings also suggest a link between hypocretins, which govern wakefulness, and the effect of these proteins on histamine cells.