Articles tagged with Inhibitory Synapses
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 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.
Researchers at Colorado State University used human stem cells to study synaptic connections in the brain, focusing on GABAergic synapses. They found that Gephyrin promotes autonomous assembly of these synapses, which can develop independently of neuronal communication. This understanding could lead to new treatments for neurological d...
Researchers at the University of Basel discovered a molecular pathway that helps balance neural excitation and inhibition in the brain. This balance is crucial for preventing neurodevelopmental disorders like epilepsy, and understanding this process may lead to new treatments.
A Mayo Clinic study found that microglia shield neurons from the aftereffects of anesthesia, enhancing and boosting neuronal activity to awaken the brain. This discovery could lead to new treatments for post-anesthesia delirium and hyperactivity.
Dr. Ryyna Ethell's lab at UC Riverside has been awarded a $2.4 million NIH grant to investigate the role of astrocytes in inhibitory synapse development and their connection to neurodevelopmental disorders like ADHD and autism.
The study investigates how different genes related to autism spectrum disorders affect the brain's neural circuits, resulting in heightened sensitivity to sounds. The researchers aim to identify a potential biomarker for sensory hypersensitivity and develop treatments using optogenetics and minocycline.
Studies on knockout mice have shown that removal of specific matrix proteins leads to visual deficits, including impaired motion processing and synaptic imbalance. This research contributes to a better understanding of visual processing mechanisms, potentially offering new therapeutic approaches.
Researchers at ISTA investigated the crucial set of synapses between neurons within the cerebellum, uncovering details of their function and development. The study used advanced techniques to look at the inhibitory synapses in great detail, revealing how they delicately influence the cell's signal output.
A newly developed labeling method allows for visualization of intraregional synaptic connections between inhibitory interneurons and excitatory engram cells. Researchers have identified the role of inhibitory interneurons in memory expression, suggesting that they suppress fear expression by inhibiting fear engram cells.
Researchers found that fly brain uses a three-step computation to distinguish motion patterns, dividing the workload across multiple levels. This approach helps flies detect even slight changes in motion and stay on course.
A groundbreaking review paper reveals the importance of GABA tone, the amount of GABA that regulates continuous signaling in the brain. The study identifies key mechanisms and functions, including astrocytes' role in regulating GABA tone and its impact on cognitive processes.
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 a new daily rhythm in inhibitory synapses, which rebalance brain activity to consolidate new information into long-lasting memories during sleep. The study suggests that wakefulness strengthens inhibitory synapses, enhancing memory formation.
A University of Ottawa research team has made new discoveries on how motor skills are learned and stored in the brain. By studying mice, they found that a specific transcription factor called NPAS4 regulates gene changes in inhibitory neurons, leading to the formation of learning-associated neuron ensembles.
Researchers at Colorado State University have found a way to alter the type of synapses between brain cells using enzymes. This breakthrough could lead to new treatments for brain disorders caused by faulty synaptic information processing and exchange.
Researchers at USC Dornsife College of Letters, Arts and Sciences have elucidated the structure of a small protein carrying GABA into neurons using cryogenic electron microscopy. This breakthrough could lead to more effective drugs for conditions such as epilepsy, bipolar disorder, schizophrenia, Parkinson's disease, and autism spectru...
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.
Researchers at the University of Bonn have discovered that the enzyme SLK plays a vital role in maintaining inhibitory synapses, which help regulate neuronal excitability. Without SLK, neurons become increasingly excitable and less responsive to inhibitory signals, potentially leading to increased seizure frequency.
A new study reveals that microglia, the brain's resident immune cells, play a crucial role in regulating brain wiring by sculpting inhibitory neurons. The research showed that microglia interact with GABA-emitting inhibitory synapses through direct physical contact, a process enabled by advanced imaging techniques.
A research team led by Michael Fox has identified the type of interneuron that produces collagen 19, a protein essential for healthy synapse formation and inhibitory circuit development in the brain. This discovery provides new insights into the molecular mechanisms underlying healthy brain development.
Researchers at Duke University have discovered that astrocytes play a crucial role in governing connections between neurons. The star-shaped cells form the glue-like framework of the brain and regulate inhibitory synapses by binding to neurons through an adhesion molecule called NrCAM.
Researchers at UT Health San Antonio have identified a new class of proteins that protect synapses from destruction. These proteins, called complement inhibitors, may offer a novel therapy for managing Alzheimer's disease and schizophrenia.
Research from University of Turku identifies JNK protein as a stress sensor that triggers synapse disassembly when stressed. Inhibiting the JNK protein may help prevent chronic stress-related changes in brain circuits.
Scientists at IST Austria have resolved the role of Synaptotagmin 7 during inhibitory synaptic transmission, showing it regulates asynchronous transmitter release and facilitation. The study found Synaptotagmin 7 ensures efficient and frequency-independent signal transmission in the cerebellum and hippocampus.
Korean researchers used protein crystallography to study the three-dimensional structure of proteins regulating neuronal cell connections. They identified MDGA1 protein's role in inhibiting inhibitory synapse formation and verified its control mechanism, providing insights into autism and brain diseases.
Researchers studied the structure of MDGA1/Neuroligin-2 complex, revealing how it negatively modulates synapse development. The study provides key findings on the mechanism of action of MDGAs in regulating excitatory/inhibitory synapses.
Researchers created an artificial synapse that can simulate inhibitory and stimulatory signals, expanding the capabilities of artificial intelligence systems. The new device is flexible and versatile, enabling it to switch between excitatory and inhibitory signals based on voltages applied at the input terminal.
Researchers at Thomas Jefferson University discovered a molecule, LRP4, that plays a crucial role in maintaining the balance of excitatory and inhibitory neurons. The molecule is specific to excitatory synapses, suggesting a parallel molecule may exist for inhibitory synapses.
Duke University scientists have identified 140 previously unknown proteins at inhibitory synapses, crucial for preventing overexcitement in the brain. The discovery opens new avenues to understanding and treating autism, intellectual disability, and epilepsy.
Researchers from Max Planck Florida Institute for Neuroscience developed a spatiotemporally controlled method to induce and visualize synapse formation in cortical neurons. The study reveals that GABA is the common molecule setting the balance between inhibitory and excitatory synaptic contacts in early postnatal stages.
Scientists at USC developed GFE3 protein to modulate brain connections, potentially treating conditions like schizophrenia and cocaine addiction. The protein degrades inhibitory synapses in specific cells, increasing electrical activity.
A new study reveals that astrocytes regulate inhibitory synapse formation through the protein TGF β1 and CaMK2 signaling. This discovery has significant implications for understanding neurological disorders associated with impaired inhibitory synapses.
Scientists have found a constant ratio between excitatory and inhibitory neurons that maintains the brain's internal balance. This E/I ratio allows for subtle control over response to stimuli, preventing runaway firing or permanent quiescence.
Researchers at Tufts University found that exposure therapy remodels inhibitory junctions in the amygdala, allowing fear responses to be alleviated. The study may aid in developing more effective treatments for anxiety disorders.
Researchers found that a protein family linked to autism suppresses the development of inhibitory synapses, which may contribute to neurodevelopmental disorders. Overexpressing this protein reduced inhibitory synapse density, while knocking it down increased their development.
Researchers discovered that adult brains can form new synapses and prune existing ones in response to learning. This process may hold hope for treating neurodevelopmental disorders such as epilepsy, autism, and schizophrenia.
The brain maintains its balance between excitation and inhibition through synaptic changes. Following a retinal lesion, nerve cells reduce their inhibitory synapses by 30% to compensate for lost information.
Dr. Lin Mei has been recognized by a mental health research charity for his schizophrenia studies, which focus on altered brain cell communication. His research suggests that a balance of brain cell excitation and inhibition may be key to understanding the disease.
Two autism-related proteins, neuroligin-1 and neuroligin-2, have been found to control the strength and balance of nerve-cell connections. The proteins increase or inhibit cell activity depending on firing frequency, impacting brain development in children.
Researchers have identified a check and balance system for neuron activity managed by neuregulin-1, revealing new treatment targets for psychiatric diseases like schizophrenia and neurological disorders such as epilepsy. The findings also provide insights into the cognitive deficits associated with these conditions.
Researchers found that immature inhibitory synapses in the auditory system release glutamate, a neurotransmitter also used by excitatory synapses, to stimulate NMDA receptors during critical brain development. This discovery could provide insight into biological causes of disorders like epilepsy and depression.
Researchers discovered diverse types of inhibitory neurons that filter messages to neighbors, enabling precise control over brain activity. This design principle allows for complex and fine-grained inhibition, potentially leading to novel treatments for neurological disorders.
Researchers at Brown University discovered that certain inhibitory neurons in the cerebral cortex use electrical synaptic connections to coordinate their activity. This allows for highly synchronized firing and synchrony similar to blinking lights.
Researchers at Max Planck Institute discovered that long-term potentiation in hippocampal neurons is linked to the emergence of new dendritic spines. This phenomenon suggests that structural changes play a crucial role in storing information in the brain.
Dan H. Sanes' research focuses on understanding how deafness affects the growth and function of the central nervous system, particularly through the development of inhibitory synapses. His lab aims to find ways to restore function following traumatic injury to nervous system pathways, including axon regeneration.
Researchers have discovered that NSF, a universal protein involved in cellular fusion and secretion, controls the speed of neurotransmitter release. Inhibiting NSF function delays transmitter release, providing new insights into the molecular mechanisms governing synaptic communication.