Articles tagged with Inhibitory Signals
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Researchers have identified a previously unknown sodium-binding site on GlyT2, which supplies the energetic drive required for glycine transport. The study also uncovered a distinctive allosteric binding pocket for lipid-based inhibitors, providing a foundation for rational design of improved analgesics.
Researchers at UZH have identified a new function of checkpoint inhibitors in promoting tissue healing, which could help treat fibrosis and chronic wounds. The study found that TIGIT upregulates a growth factor critical for repairing tissue after viral infections.
Researchers explore the role of efferocytosis in reducing inflammation and containing injury spread after an ischemic stroke. Efferocytosis may offer a promising therapeutic strategy to promote neural regeneration and minimize brain damage.
Researchers discovered a novel platinum complex that targets androgen receptor signaling, inhibiting cell growth and survival in prostate cancer cells. The complex, 5-H-Y, showed stronger cytotoxic effects than cisplatin with minimal toxicity, offering a promising approach to treating advanced prostate cancer.
A team of scientists has pinpointed a critical neural circuit for female sexual rejection, revealing how the brain integrates signals to shape behavior. The ventromedial hypothalamus, specifically progesterone-sensitive neurons in the anterior VMH, play a crucial role in determining whether a female accepts or rejects mating attempts.
A Kobe University study finds that a new treatment for neuromyelitis optica spectrum disorder shifts the balance of immune cells, increasing anti-inflammatory signals. The discovery may enable clinicians to determine treatment effectiveness and move towards personalized medicine for autoimmune diseases.
Researchers at Okayama University developed a novel AAK1 inhibitor using Kinobeads technology, shedding light on its inhibitory mechanism and targeting various neurological disorders and viral infections. This breakthrough paves the way for rapid and cost-effective enzyme inhibitors with clinical applications.
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.
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.
Researchers found that Angelica gigas extract improves vascular function in high-fat diet rats, reversing endothelial dysfunction and increasing NO bioavailability. The extract regulates IRE1α sulfonation and RIDD signaling, promoting NO production via the SIRT1-eNOS axis.
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.
A Penn State-led research team discovered that somatostatin signaling acts to dampen communication among cell types in the prefrontal cortex, promoting exploratory and risk-taking-like behavior. The findings suggest that somatostatin fine-tunes circuits to promote certain behaviors, including decision making.
A new review paper suggests scrambler therapy can yield significant relief for approximately 80-90% of patients with chronic pain. The therapy works by capturing nerve endings and replacing pain signals with signals from adjacent areas, 'scrambling' the pain signals sent to the brain.
A unique microcircuit in fruit flies' visual system transforms a single type of neuronal input to compute direction selectivity, with no inhibitory neurons present. The discovery reveals a striking example of the multilayered mechanisms of inhibition and excitation in the brain.
Scientists at UC Santa Barbara discovered a unique pathway in fruit flies that reduces the sensation of pain from heat, with a single pair of neurons called 'Epi' neurons playing a crucial role. The Epi neurons produce a neuropeptide that suppresses thermal nociception, contradicting their role in fly larvae.
A recent study by the Chinese Academy of Sciences reveals that receiving an inhibitory signal associated with negative food conditions can decrease brain dopamine levels in dancing honeybees. The researchers also found that increasing bee dopamine levels reduces the aversiveness of hornet attacks.
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.
A Brazilian-American research team has identified a subtype of inhibitory interneurons that can gauge speed with great precision. These neurons are more stable than excitatory neurons and may be linked to spatial memory and the ability to remember routes or locations.
Researchers discovered an inhibitory neuronal network in the brainstem that generates a synchronous rhythm, retracting mouse whiskers from their protracted positions. The oscillator consists of parvalbumin-expressing vIRt neurons firing bursts only during whisker retraction.
ARID1A-deficient bladder cancers are sensitive to combination therapies with the EZH2 inhibitor GSK-126 and inhibitors of PI3K, acting synergistically. The research found that tumors deficient in ARID1A protein have elevated levels of PIK3R3 and phosphoAKT.
Researchers developed a novel frequency-domain method to selectively suppress background noise in STED microscopy, achieving higher spatial resolution and improved signal-to-noise ratio. The approach has potential applications in various dual-beam point-scanning techniques.
A study from Edith Cowan University reveals that electrical stimulation on specific nerves and relaxation techniques can reduce neural amplification in the spinal cord, which may help alleviate involuntary muscle spasms. These methods could provide a non-pharmacological alternative to current treatment options.
A gene therapy approach has effectively reduced neuropathic pain in mice with spinal cord or peripheral nerve injuries without detectable side effects. The treatment, which targets impaired neurons, resulted in long-lasting benefits persisting for at least 2.5 months.
Researchers at Tokyo University of Science identify brain regions and signaling pathways involved in fear extinction via delta receptor activation. The study suggests a potential therapeutic agent for post-traumatic stress disorders by suppressing fearful memories.
Researchers at Tokyo University of Science discovered that disulfiram inhibits FROUNT protein and chemokine signaling pathways, reducing anxiety levels in mice. The study suggests a potential breakthrough anti-anxiety medication with safe and effective treatment for elderly patients suffering from anxiety and insomnia.
Researchers found that JA signaling regulates trichome formation in tomatoes through the synergistic action of C2H2 zinc finger proteins H and HL. High H/HL activity represses the expression of THM1, a transcription factor that negatively regulates trichome formation.
Researchers observed that chandelier cells, which regulate cortical circuit activity, communicate with other neurons shortly after birth, influencing brain development. This interaction is crucial for normal brain function and may be disrupted in neurological disorders.
Researchers have found that blocking mineralocorticoid receptors, a key factor in bone health, may help protect against bone loss and osteoporosis. This new target is thought to be more effective than previously believed logical targets, such as reducing glucocorticoid receptor activity.
A recent study by NTU Singapore and Singapore General Hospital found that mutations in the DDX3X gene are responsible for chemotherapy resistance in some blood cancer patients. The study also discovered that STAT inhibitors can effectively kill lymphoma cells with DDX3X mutations, providing hope for new treatment options.
Researchers found that combining an Aurora Kinase A inhibitor with a KRAS inhibitor or WEE1 inhibitor showed efficacy against lung cancer cells resistant to KRAS inhibition. The study suggests that Aurora Kinase A activation contributes to intrinsic and acquired resistance to sotorasib in KRAS-mutated lung cancer cells.
Researchers discovered that astrocytes in the thalamus produce GABA to fine-tune the sense of touch. The production of GABA accelerates signal processing and sharpens sensitivity, allowing neurons to distinguish subtle changes in tactile stimuli.
Scientists have identified a small molecule that successfully inhibits influenza A, MERS-CoV, and SARS-CoV-2 in tissue culture and mice by blocking the interaction of AP2M1 with viral proteins. This finding suggests a possible broad-spectrum antiviral therapy to treat various viruses.
A subset of retinal neurons sends inhibitory signals to the brain, affecting subconscious behaviors such as synchronizing circadian rhythms with light/dark cycles. This discovery sheds light on how eyes influence our behavior and vision in response to light intensity.
A new study reveals that Toxoplasma gondii parasite alters the behavior of microglia, leading to a loss of inhibitory signaling in the brain. This can result in seizures, personality changes, and vision problems, similar to neuropsychiatric disorders.
The study found that SRK-181 inhibits latent TGFβ1 activation with high selectivity and overcomes primary resistance to checkpoint blockade therapy by altering the tumor immune landscape. Preclinical results demonstrated improved preclinical safety profiles compared to conventional inhibitors of TGFβ signaling.
Researchers have discovered a potent KRAS inhibitor, BI-2852, that can target both active and inactive forms of the enzyme. The compound has shown promising results in lab assays, paving the way for the development of specific RAS inhibitors for cancer therapy.
Researchers discovered that aging factors from neighboring cells, known as Paneth cells, decrease the regenerative potential of intestinal stem cells. Inhibiting these signals, such as Notum, can promote tissue repair and recovery in aged animals.
Scientists at IST Austria found a new mechanism for lateral inhibition in zebrafish ovarian follicles, where the most rapidly growing cell inhibits its neighbors through mechanical compression. This process leads to the formation of a micropyle precursor cell critical for fertilization.
Researchers found that neurosteroids inhibit Toll-like receptor 4 signaling activation, preventing pro-inflammatory protein production and cytokine creation. This discovery provides a new target for treating brain diseases, including alcoholism, depression, and posttraumatic stress disorders.
Researchers discovered that signal peptides can inhibit glutamate receptor trafficking, leading to potentiation of synaptic responses. The study provides new insights into the molecular mechanisms underlying glutamate receptor trafficking and its role in neurological disorders.
A developmental model was constructed to recreate the intricate patterns of secondary veins in insect wings. The study analyzed images from 232 species and found that the model effectively recreated venation patterns across three orders.
The brain has a built-in noise-cancelling circuit that allows it to ignore predictable self-generated sounds, such as footsteps. This circuit works by sending a direct signal from the motor cortex to the auditory cortex, instructing inhibitory neurons to cancel out these sounds.
Researchers at Boston Children's Hospital have discovered a small-molecule compound that can revive dormant nerve pathways in paralyzed mice with spinal cord injury. The compound, CLP290, activates the protein KCC2, allowing inhibitory neurons to receive signals from the brain and restoring motor function.
Researchers at New York University have found that strong signals can be transmitted across many areas of the brain using a balanced large-scale neural circuit mechanism. This discovery may help explain how conscious information processing is achieved.
Caltech scientists have identified a hierarchical neural circuit in the mouse brain that regulates thirst, involving excitatory and inhibitory neurons. The study reveals how this circuit integrates signals from the subfornical organ and organum vasculosum laminae terminalis to initiate drinking behavior, while also providing insight in...
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 found that a protein called HUWE1 helps balance nerve cell communication, which is essential for preventing intellectual disability. The study provides new insights into the molecular mechanisms underlying intellectual disability and could lead to potential treatments.
A study published in Nature Neuroscience found that nerve cells dedicated to hearing rely on surrounding context to properly interpret and react to familiar sounds. Researchers observed patterns based on a basic divide in the nature of nerve cells, with excitatory and inhibitory neurons working together to balance brain activity.
Scientists have found that a time-dependent coding mechanism is essential for distinguishing between similar smells. By inhibiting signals to olfactory bulb output neurons, researchers showed that mice could no longer differentiate between odor mixtures with slightly different ratios or molecules with similar chemical structures.
Recent discoveries shed light on the mechanism underlying neuropathic pain, revealing a reduced inhibition of pain signal transmission due to dysregulation of chloride levels. This leads to hyperexcitability in neurons, causing touch-evoked pain.
Researchers link abnormal SHP2 signaling to lupus-like symptoms in mice, showing that inhibiting SHP2 improves symptoms and lifespan. Targeting SHP2 in T cells reduces inflammatory cytokine production, suggesting a new therapy approach.
Scientists identify a molecule that blocks the effect of jasmonic acid, a plant hormone involved in flower formation, root growth and defence against herbivores. The discovery was made using a biological selection process involving intact plants.
Researchers at Brown University studied tadpoles' neural signals to understand how they detect approaching visual stimuli. They found that the tectum region of the brain plays a crucial role in distinguishing impending collisions from mere presence, with inhibitory neurons acting as facilitators of network function.
Researchers developed a novel theory of how neurons work together during complex movements, revealing a balance between excitatory and inhibitory signals. The new model can accurately reproduce multidimensional movement patterns and may aid in the understanding of brain dynamics.
Researchers at the Hebrew University of Jerusalem discovered a new compound, NT219, that selectively inhibits the aging process to protect the brain from neurodegenerative diseases. The compound's inhibition of IGF1 signaling pathway has therapeutic potential for treating neurodegenerative disorders like Alzheimer's and Parkinson's.
Researchers at Brown University have made the first direct measurements of cause-and-effect responses between the nonspecific thalamus and the prefrontal cortex. The study reveals that inhibitory neurons respond strongly to thalamic signals, leading to a pattern of excitation in the cortex that sustains attention and arousal over time.
Researchers at DZNE found that inhibitory signals control precise output signals in neurons, enabling targeted patterns for long-term memory storage. This refined system acts like a filter, amplifying synchronous signals and resisting inhibition to ensure specific cell groups are activated.
Researchers found that clonazepam alleviated autistic-like behavior in mice with a sodium ion channel defect. The study reveals how the mutated gene leads to overly excited brain circuits and impaired social interactions, shedding light on Dravet syndrome's underlying mechanisms.