Articles tagged with Inhibitory Receptors
Researchers have identified a fungal compound, cercosporamide, that inhibits BMP receptors, which are overactive in certain diseases. This finding offers new possibilities for treating conditions like Fibrodysplasia ossificans progressiva.
Researchers identify Gr21a/Gr63a receptor as crucial to fruit fly attraction to polyamines, opening door to safer chemicals for controlling crop-damaging pests and disease-carrying mosquitoes. The discovery also reveals complex odor-processing mechanisms in insects.
A study found that protein tyrosine phosphatase receptor type J (PTPRJ) inhibits leptin signaling, leading to leptin resistance. PTPRJ expression in the hypothalamus is up-regulated by diet-induced obesity, making it a potential target for improving obesity treatment.
Research by Osaka University finds that noradrenaline modulates the primary visual cortex, reducing spontaneous neural activity and suppressing contrast sensitivity. This suggests a new therapeutic target for improving vision and machine learning in patients.
Studies found that proton pump inhibitors and histamine receptor-2 blockers increase the risk of developing kidney stones and chronic kidney disease. Long-term use of these medications was associated with a higher risk of kidney stone formation, particularly those made of calcium oxalate.
Researchers at UT Southwestern Medical Center have reported a high-resolution structure of the human cannabinoid receptor 1 (CB1), which binds to tetrahydrocannabinol (THC) and is responsible for marijuana's high. This detailed structure should lead to a better understanding of how cannabinoids initiate signals in the brain.
A novel inhibitory brain receptor emerges at puberty, reducing seizure-like activity and suggesting a mechanism for epilepsy remission in adolescents. This finding could lead to new treatments for childhood epilepsy.
The American Thoracic Society has released updated guidelines for the treatment of idiopathic pulmonary fibrosis (IPF), emphasizing a patient-centered approach. The new guidelines recommend against certain treatments, including anticoagulation and imatinib, while encouraging the use of nintedanib and pirfenidone.
A new study found that general anesthesia impairs memory in mice by increasing the activation of α5GABA(A) receptors, leading to reduced synaptic plasticity. Inhibition of these receptors reversed memory defects in animals given anesthesia, suggesting a potential treatment for post-anesthesia cognitive impairment.
Researchers successfully silenced the Nogo-66 receptor gene in BMSCs, blocking its inhibitory effect and promoting neuronal growth. This breakthrough enhances the therapeutic effects of BMSC transplantation for spinal cord injury repair, offering new hope for patients.
Researchers found DBI calms key brain rhythms and could be valuable for developing novel therapies for epilepsy, anxiety, and sleep disorders. DBI binds to GABA receptors, enhancing inhibition, and its actions are tightly controlled to occur only in specific brain areas.
A study published in PNAS Early Edition identifies a cellular change in the brain that accompanies obesity, involving a switch in neurons within the hypothalamus. Activation of CB1 cannabinoid receptors stimulates orexin A release, increasing food consumption. The findings suggest potential targets for new treatments to address obesity.
Researchers have found that inhibiting the Mer receptor increases sensitivity to chemotherapy in leukemia cells, reducing toxic side effects while maintaining effectiveness.
A new study by Georgetown University Medical Center researchers suggests that zolpidem, a powerful sedative, activates brain circuits when neural activity is silenced. This 'activation' occurs due to changes in inhibitory neurons responsible for stopping neural activity, allowing excitatory neurons to re-awaken.
Researchers at Queen's University discovered a genetic link between the nervous system and obesity, shedding new light on the condition's causes. The study found that deleting a specific nerve receptor in worms leads to increased fat accumulation and altered behavior.
Researchers at Monell Chemical Senses Center identify chemical compounds from common foods that activate human bitter taste receptors, providing a practical means to manipulate food flavor. The findings may help make health-promoting bitter foods more palatable.
Researchers have found that boosting HLA-G production can make dendritic cells less responsive to transplanted tissue, reducing rejection. This natural immunosuppression approach has the potential to prolong acceptance of skin grafts and other transplanted tissues.
A comprehensive study published in Cell reveals that inhibitory responses are widespread among odor receptors, and most receptors are inhibited by at least one odor. The research also shows that individual receptors range along a continuum from narrowly tuned to broadly tuned to odorants.
Researchers have found a new protein, TAJ/TROY, that acts as part of the receptor complex in neurons responding to growth-inhibitory molecules. This discovery may provide insights into designing therapeutic strategies to block myelin inhibition and promote regeneration of spinal cord or brain tissue after injury.
Researchers identified Gq signaling pathway as crucial in hypertension, finding that inhibiting this pathway could lead to new therapies for high blood pressure patients taking multiple drugs.
Researchers discover immune proteins that viruses once exploited have evolved to call in attacks against their former exploiters. This finding suggests that the immune system may be turning the tables on pathogens, and could lead to new strategies for fighting viral infections.
Researchers at Yale University have identified a receptor responsible for inhibiting the growth of injured nerve fibers in the brain and spinal cord. This finding holds promise for reversing functional deficits caused by trauma, stroke, or degenerative diseases such as multiple sclerosis.
Researchers have identified a new fast serotonin receptor in the roundworm Caenorhabditis elegans that can inhibit neuronal activity. This discovery raises hopes for developing new treatments for disorders caused by serotonin imbalance, such as mood disorders and obesity.
The Val-HeFT study showed significant effects of an AT1-receptor blocker on mortality and morbidity in patients with heart failure when added to ACE inhibitor therapy. The CHARM study programme aims to provide more definitive data on the benefits of AT1-receptor blockers in treating heart failure.
A team of researchers has identified a specific binding site for alcohols and anesthetics on brain proteins, which could lead to new pharmacologic interventions for addiction and substance abuse. This breakthrough finding builds upon previous studies suggesting that alcohols interact with specific protein molecules in the brain.
Scientists at Northwestern University have identified the structure of the interaction complex between two molecules central to the allergic response in humans. The discovery could lead to a new class of drugs that target allergies at their source, preventing symptoms like itching and congestion.
A new study reveals that the LDL receptor plays a key role in reducing the production of LDL cholesterol and removing it from the blood, providing insights into familial hypercholesterolemia. The research also explains how statins lower blood cholesterol levels by increasing LDL receptor activity.
Researchers developed a non-toxic peptide that prevents metastatic prostate cancer from spreading to other organs in laboratory rats. The peptide, PHSRN, was effective even when primary tumors were allowed to grow before treatment began.
Researchers have discovered a new target for treating chronic pain by disabling specific nerve cells that send pain signals to the brain. The study found that combining substance P with saporin can significantly reduce pain sensitivity, even when administered after neuropathic pain has developed.
Researchers have identified an enzyme, PKCe, that could be a target for treating alcoholism. Mice genetically engineered to lack the enzyme were less likely to drink and showed increased sensitivity to alcohol and benzodiazepines in the brain.
Researchers at Harborview Medical Center are exploring a new approach to treat depression by introducing extra copies of the gene for 5-HT1b receptors into serotonin neurons. Preliminary results suggest that this technique may allow for faster and more effective treatment of depression.
A new compound, BP 897, has been shown to reduce compulsive drug-seeking behavior in cocaine-dependent rats. This breakthrough could lead to a new treatment for addiction, targeting the root cause of craving and compulsive behavior.
Researchers at Advanced Viral Research Corp. discovered that Reticulose markedly decreases the production of CCR5 receptors in CD4 positive T-lymphocytes, increasing resistance to HIV infection. This finding may enhance the effectiveness of AIDS cocktails and pave the way for combination therapy.
The Northwestern University-led study determines the precise shape of the high-affinity immunoglobulin-E receptor, a trigger for allergic responses. The structure's discovery could lead to the development of targeted therapies blocking the receptor's binding to antibodies.
Scientists have found that a marine snail venom extracts can prevent serotonin from acting on a specific receptor in African toad eggs, which is also found in the human brain. This discovery could provide insight into regulating nerve cell behavior and designing new drugs to control serotonin's actions.
A team of researchers led by Dr. Joel Bennett has successfully developed a new technique to study the IIb/IIIa receptor, a key player in platelet aggregation. This breakthrough could pave the way for the creation of more potent anti-clotting drugs.
Fibrates, used for decades to treat hyperlipidemia and atherosclerosis, have been shown to reduce inflammation in vascular muscle cells, inhibiting the production of pro-inflammatory cytokines. This mechanism suggests that fibrates may have a beneficial vascular action during atherosclerosis treatment.
Researchers found that blocking beta-adrenergic receptor kinase (BARK) can prevent heart failure in mice genetically engineered to develop the disease. The study suggests a fundamental abnormality in the beta-adrenergic receptor system is at the root of causing heart failure.
Researchers identify neurotransmitter-triggered electrical activity as a key signal for synapse formation in embryonic spinal cord neurons. The activity is necessary for clustering glycine receptors, which are essential for inhibitory neurotransmission in the spinal cord.
Researchers at Harvard Medical School found that a protein wireing the developing brain also prevents nerve cells from entering off-limits areas, and plays a role in blood vessel formation. This convergence of two processes may lead to new insights into cancer research and embryology.
Researchers discover orexin-A and orexin-B neuropeptides stimulate food consumption in laboratory rats. The study's findings suggest a new molecular basis for regulating feeding behavior and may lead to the development of medications to inhibit eating habits.
A potent chemokine, AOP-RANTES, has been shown to inhibit HIV-1 entry into macrophages and lymphocytes at the nanomolar level. Researchers believe this could lead to a new treatment approach for HIV/AIDS by targeting host cells to prevent viral entry.
Researchers at Oregon Health Sciences University discovered how a mutated agouti gene leads to overeating and excess body fat in mice. The study shows that the agouti gene, when expressed in brain cells, disrupts a hormonal signaling pathway that regulates feeding behavior.
Petit mal or absence seizures affect 100,000 US children and account for one-fifth of childhood epilepsies. The new findings may lead to more effective treatments, which can have a profound effect on a child's development.