Articles tagged with Gaba
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A Scripps Research study has found that the endocannabinoid system, which regulates memory and emotional reactions, can also dampen the effects of alcohol. The research suggests a potential target for developing drugs to treat alcohol addiction.
Researchers at UC Davis have found a strong association between cognitive deficits and decreased levels of the neurotransmitter gamma-aminobutyric acid (GABA) in patients with schizophrenia. The study suggests that targeting the GABA system may help address cognitive decline in the disorder.
A study published in Biological Psychiatry reveals that individuals with major depressive disorder have altered GABA functions, with the most treatment-resistant forms demonstrating greatest reductions in GABA levels. This finding suggests medications targeting GABA imbalance may advance depression treatment.
A Scripps Research Institute team discovered corticotropin-releasing factor (CRF) plays a crucial role in alcohol dependence. Blocking CRF with antagonists blocked addiction symptoms and increased sensitivity to treatment, suggesting a new approach for substance abuse treatment.
Researchers discovered that UV LED light can reduce seizure-like activity in rat epilepsy models by releasing gamma aminobutyric acid (GABA), a natural neurotransmitter. The study suggests that this technique could be translated to human focal epilepsy, offering an alternative treatment option.
Researchers have developed a mouse model that exhibits schizophrenia-like behavior, allowing for better understanding and potential treatments. The mouse's impaired short-term memory and increased movement are similar to those seen in human patients with schizophrenia, providing a valuable tool for studying the disorder.
Researchers identify key molecular switches controlling GABA transport, which could prevent seizure onset. The study uses C. elegans worms to reveal genetic factors contributing to epilepsy susceptibility.
A study by MassGeneral Hospital for Children reveals that newborn seizures often do not produce visible convulsions due to the brain's immature response to GABA. Treatment with a new medication, bumetanide, successfully suppressed seizure activity in both cortical and subcortical regions.
A recent study has identified a specific neurochemical abnormality in adults with primary insomnia, providing new insights into the condition's pathology. GABA levels were found to be reduced by nearly 30% in individuals with primary insomnia for more than six months.
Researchers found that brain oscillation frequency is determined by GABA concentration in the visual cortex. Higher GABA levels result in higher frequency or note, potentially leading to new treatment options for conditions like epilepsy and schizophrenia.
Research identifies GABRA3 subunit overexpression in hepatocellular carcinoma (HCC) cells, promoting cell growth and proliferation. The study suggests that targeting the GABAergic system may be a promising approach for HCC diagnosis and treatment.
Researchers identified a faulty brain circuit and developed an experimental agent that improves working memory and EEG signals in people with schizophrenia. The study found the drug MK-0777 to be well-tolerated, but further trials are needed to verify its value.
A study has found a specific neurochemical abnormality in the brains of adults with primary insomnia, suggesting hyperarousal is present during both waking and sleep. Gamma-aminobutyric acid (GABA) levels are reduced by nearly 30% in individuals with primary insomnia for more than six months.
Stanford researchers found that a functioning circadian system is crucial to Siberian hamsters' ability to remember their environment. The study suggests that the circadian clock controls the daily cycle of sleep and wakefulness by inhibiting brain activity, which affects learning and memory.
Researchers identified acylated steryl-beta-glucosides as the active compounds behind germinated rice's health benefits, including improved cognitive function and anti-diabetic properties. These unique sterol-like molecules are concentrated in the rice bran and may be specific to rice.
A study published in Nature Neuroscience identifies GABA as a key player in regulating energy balance, leading to leaner mice with increased energy expenditure and resistance to diet-induced obesity. The discovery suggests that targeting GABA release may be an effective strategy for tackling obesity and metabolic disease.
A University of Pittsburgh School of Medicine study found that individuals with schizophrenia have lower levels of a key neurotransmitter GABA, which is impaired by the activation of the cannabinoid 1 receptor activated by marijuana. This impairment worsens cognitive symptoms and may lead to new drug targets for improved treatments.
Researchers at ETH Zurich have identified two subtypes of GABA receptors that mediate spinal pain control, opening up new possibilities for targeted pain therapy. This discovery could lead to the development of specific drugs with fewer side effects, making chronic pain treatment more effective.
The GABAA receptor's inhibition of learning has been reversed by its overexpression, revealing a complex relationship between neurotransmitters and cognitive processes. Fruit flies exhibit impaired learning at high temperatures but retain memory, suggesting that the receptor's absence may enhance neural plasticity.
A study presented at the American College of Neuropsychopharmacology annual meeting found a clear link between GABA and nicotine dependence. The researchers discovered that nicotine has significant effects on brain GABA levels, which could potentially help curb the pleasurable effects of nicotine and aid in quitting addiction.
Researchers have identified epigenetic mechanisms involved in schizophrenia, pointing to potential new targets for medications. The GAD1 gene's role in producing the neurotransmitter GABA is also linked to brain development abnormalities.
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 a 27% increase in GABA levels after one hour of yoga practice. Yoga has shown promise in improving symptoms associated with depression, anxiety, and epilepsy.
A study published in the Proceedings of the National Academy of Sciences reveals that VIP synchronizes biological clocks, clarifying its role alongside GABA. Without VIP, cells lose synchrony, indicating its coordinator function.
Researchers found a significant association between the GAD1 gene and the development of alcoholism in Han Taiwanese men. The study suggests that defects in GABA synthesis may contribute to increased alcohol consumption, leading to dependence. Further exploration of GABA's role in alcoholism may lead to new treatment strategies.
Scientists find VIAAT enables joint storage of GABA and glycine in vesicles, refuting dogma that GABA release is crucial for nerve cell growth. VIAAT mutant mice develop normally despite GABA and glycine release elimination.
Scientists discovered that Hap1 protein is linked to circulating insulin and regulates GABA receptors in the hypothalamus, controlling feeding behavior in mice. The study provides insights into how abnormalities of hypothalamic function contribute to diabetes and obesity.
Researchers at Johns Hopkins Medicine discovered that new neurons in the adult brain are excited by GABA, a chemical previously thought to inhibit signals. The findings may help increase neuron regeneration and improve connections between transplanted stem cells.
Researchers found that GABA-triggered neurons contribute to the development of epilepsy in immature brains through fast oscillations. As brain maturity increases, glutamate's excitatory effects dominate, reducing GABA's impact on epilepsy.
Researchers found that a diuretic called bumetanide can inhibit seizure activity in newborns by lowering chloride levels and making nerve cells responsive to GABA activation. This is promising news for the treatment of seizures in newborns, as conventional anticonvulsants are ineffective due to differences in brain chemistry.
The study found that complex gene-gene interactions are likely responsible for the development of autism. The GABA brain system is implicated in this process, with multiple genes working together to influence the disease.
Researchers discovered elevated GABA levels in aggressive neuroendocrine tumors, which may indicate poor prognosis. The study suggests a unique tumor-associated pattern that could provide new ways to diagnose these cancers earlier and implement more effective treatments.
Researchers found significant associations between two SNPs and alcohol dependence in a Russian population, similar to U.S. findings. The study suggests that the GABRA2 gene influences risk for alcoholism regardless of environmental factors.
A natural gene mutation in rats' brains increases their tolerance to alcohol, leading to rapid intoxication. The study may help identify children and adults at higher risk of developing alcohol dependency.
Scientists at NIMH have discovered newborn neurons in adult rat cortex that communicate via GABA, suggesting potential new treatments for depression and anxiety. The discovery adds to the scientific debate over adult neurogenesis and has implications for understanding brain disorders such as Alzheimer's and schizophrenia.
A study led by Elena Bagley and Macdonald Christie found that a transporter molecule for the neurotransmitter GABA is responsible for opioid withdrawal symptoms. Inhibiting this molecule or protein kinase A eliminates hyperexcitability in PAG neurons.
A team of researchers led by Guy A. Caldwell found that worms with a mutated LIS1 gene experience convulsions similar to those in humans with lissencephaly, a rare birth defect. The study reveals the mutated protein's impact on neuronal trafficking and neurotransmitter release, providing insights into the complexities of epilepsy.
Research using proton magnetic resonance spectroscopy found reduced cortical GABA levels and increased glutamate in melancholic depression patients, a subset of major depressive disorder. The study adds to evidence suggesting both GABA and glutamate systems contribute to mood disorders' pathophysiology.
Researchers identified a strong association between gene GABRA2 and the risk of alcoholism. The study found that tiny differences in this gene are associated with both alcoholism and brainwave patterns linked to alcoholics.
Researchers have found that Nembutal, a sedative, can suppress the growth of colon cancer cells by inhibiting gamma-aminobutyric acid receptors. The study suggests a novel approach to treating cancers with neurotransmitter receptors on their surfaces.
A prospective observational study found that physician residents worked an average of 69 hours a week, receiving 41 pages of seeking services. Ketonuria was observed in 21% of shifts, highlighting the need for stricter work hour limitations to ensure patient and physician safety.
Research reveals a strong relationship between drugs of abuse, stress, and the amygdala, suggesting CRF receptor blockers may be a new therapeutic for alcoholics. The study highlights the complex neurobiology of addiction, with compounds blocking CRF receptors potentially providing relief from relapse.
The study found an association between a specific GABA receptor gene and alcohol dependence, suggesting a potential genetic link. The findings support the idea that brain overactivation may contribute to predisposition to alcoholism.
Researchers have identified a consistent association between alcohol dependence and the GABRG3 gene, which may suggest a genetic predisposition to increased risk of developing alcoholism. The study found that this gene plays a role in influencing the risk for alcoholism by altering brain state and circuit activity.
Researchers found a genetic link between GAD2 variants and obesity. The study suggests that overexpression of the GAD2 gene may increase GABA levels in the hypothalamus, leading to increased orexigenic effects and overeating.
A recent study published in Public Library of Science Biology has identified the GAD2 gene as a strong candidate for human obesity. The research suggests that an active form of this gene contributes to excessive hunger and eating behaviors, particularly in individuals with a higher risk of obesity.
Researchers found that stimulating a small region of the cerebral cortex, known as the rostral agranular insular cortex (RAIC), can diminish pain in patients with chronic pain conditions. Increasing GABA levels in this area produced analgesia up to 10 days, suggesting a novel target for therapy.
Plant fertility depends on understanding how pollen tubes navigate towards egg cells. Researchers identified a key molecular signaling system involving gamma-amino butyric acid (GABA) that guides pollen tube growth.
Researchers have identified gamma-amino butyric acid (GABA) as a key signaling molecule that triggers plant reproduction and guides the growth of pollen tubes. In contrast, mutants with deficient GABA degradation produce a massive increase in the chemical signal, overwhelming the pollen tubes and disrupting their guidance.
Researchers found that older macaque monkeys have reduced GABA levels, leading to increased neuronal firing and decreased visual function. This study provides insight into the potential causes of age-related cognitive decline and may lead to the development of new treatments.
Fatigued doctors and nurses can impair their judgment and reaction time, posing a significant risk to patient safety. Implementing changes such as shorter shifts and limiting high-intensity work during daylight hours could promote harmony with the body's natural sleep cycle and improve patient outcomes.
Mice lacking a specific gene have reduced anxious behavior and increased sensitivity to brain's own endogenous neurosteroids. The findings suggest PKCe as a possible target for developing novel therapeutics for anxiety treatment.
Scientists have identified a potential new target in the brain for anxiety-reducing medications, which may provide less disruptive alternatives to existing sedatives. By inhibiting a specific enzyme protein kinase C (PKC-epsilon), researchers hope to develop new treatments that can modulate GABA function without addictive side effects.
A Wake Forest investigator has discovered a new mechanism by which alcohol affects the brain, revealing a complex interplay between pre- and post-synaptic processes. The findings suggest that alcohol may be more effective in certain individuals due to variations in sensitivity to its effects.
Researchers have found that immunoglobulin therapy significantly reduces symptoms of Stiff Person Syndrome (SPS), including stiffness and spasm, and improves mobility. The study showed a statistically significant decrease in symptoms for patients treated with IVIg, with 11 out of 14 patients becoming less stiff and more mobile.
This study compares the effects of moderate alcohol consumption (equivalent to three glasses of wine) with that of the benzodiazepine drug Ativan, using PET scans. Researchers found that alcohol induces larger decrements in the basal ganglia and is perceived as more stimulating and reinforcing than Ativan.
Recent findings suggest that neurosteroids play a major role in alcohol's effects on the brain by increasing GABA function. Neurosteroids interact with neurotransmitter receptors to alter neurotransmission, producing their effects in a millisecond time frame.
Scientists have discovered a crucial region on nerve cells that may be essential for the actions of inhaled anesthetics, potentially leading to safer, more potent pain medications. The finding also provides insight into the genetics of alcohol addiction and may help develop new treatments.