Articles tagged with Adenosine Receptors
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Neural signals respond differently depending on time of day, with reduced activity at sunrise and enhanced at sunset. Blocking adenosine reveals a key regulator of cortical excitability across the day.
A new study published in Exp. Mol. Med. has identified Thrap3 as a key player in exacerbating non-alcoholic fatty liver disease (NAFLD) by inhibiting AMPK, a crucial regulator of fat metabolism. Inhibiting Thrap3 expression presents a promising avenue for treating NAFLD.
Researchers have discovered a novel strategy for preventing and treating parasites and allergies by harnessing the power of adenosine, a molecule released by injured cells. This breakthrough could lead to the development of vaccines and treatments that target this 'danger signal', which is released when cells are damaged.
Studies on mice and septic patients show that a specific B lymphocyte subpopulation produces large amounts of CD39, leading to increased adenosine levels and reduced macrophage activity. This results in heightened susceptibility to opportunistic infections, with survivors experiencing a sevenfold higher risk of severe infections.
Researchers explore the role of adenosine in neurodegeneration and neuroregeneration, with a focus on its potential as a drug target for treating amyotrophic lateral sclerosis (ALS). Studies review changes in adenosine metabolism and receptor function in ALS patients and experimental models.
A study identified a common mechanism implicating adenosine in RLS symptoms, including periodic limb movements and enhanced arousal. Targeting the downregulation of the adenosine A1 receptor may be a promising therapeutic strategy for RLS.
Researchers suggest caffeine as a potential therapeutic tool for treating motivational symptoms of depression and cognitive impairments in attention-deficit/hyperactivity disorder. A new study also proposes targeting the adenosine A1R-D1R heteromer to improve spinal cord injury outcomes.
Scientists at the University of Tsukuba have identified a potential alternative strategy for treating insomnia by targeting adenosine A2A receptors. The study found that enhancing endogenous adenosine A2A receptor signaling induces slow-wave sleep without affecting body temperature and cardiovascular function.
A study found that participants who resisted alcohol-induced impairment were more resilient to sleep deprivation, suggesting a correlation between adenosine A1 receptor changes and cognitive resilience.
Researchers have identified adenosine receptor A2a as a potential target for reducing dysfunctional blood vessel development in the eye. Blocking this receptor has been shown to inhibit pathological angiogenesis and promote healthy blood vessel formation, offering new hope for treating diabetic retinopathy.
A new study published in Nature Communications finds that the nucleus accumbens, associated with motivation and pleasure, can produce sleep. This discovery may explain why people tend to fall asleep in boring situations, as it suggests a strong ability of this brain region to induce sleep.
A new study published in Nature Communications suggests that maintaining high levels of adenosine in rats with damaged ACLs prevents osteoarthritis. Adenosine replacement therapy could potentially delay the onset of osteoarthritis and joint replacements.
A recent study by Technical University of Munich found that ragweed pollen triggers a strong allergic response due to the presence of adenosine. The protein Amb a 1 alone did not induce such a reaction, but combining it with adenosine led to increased inflammation in lung tissue.
Scientists at the University of Bonn have discovered a new signaling pathway that utilizes adenosine to stimulate brown fat cells. This 'browning' process may help convert white fat cells into energy-burning brown cells, potentially aiding in weight loss and reducing the risk of chronic diseases.
Researchers have found that caffeine can positively affect tau deposits in Alzheimer's disease, improving spatial memory and reducing pathogenic processes in genetically altered mice. The study suggests a new class of drugs may be developed for the treatment of Alzheimer's disease using an A2A antagonist.
Researchers have identified a subgroup of schizophrenia patients with motor disorders, characterized by low levels of A2A adenosine receptors in the basal ganglia. The study proposes a specific combination therapy involving antipsychotics and A2A agonists to reduce symptoms.
Researchers used PET scans to visualize the effect of caffeine on brain adenosine receptors for the first time. The study found that up to 50% of A1 adenosine receptors were occupied by caffeine in regular coffee drinkers, suggesting a potential link to neurodegenerative diseases.
Researchers at Leiden University have crystallized the adenosine A2A receptor to a record-breaking high resolution, allowing for detailed study of its structure and function. This breakthrough provides new insights into the mechanisms underlying Parkinson's disease and the effects of caffeine.
Researchers at Boston University School of Medicine have identified the A2b adenosine receptor as a potential new target for preventing early stages of atherosclerosis. The study found that the receptor plays a key role in regulating liver lipid profiles and reducing atherosclerosis in mice on high-fat diets.
Bertil Fredholm received the 2011 ECNP Neuropsychopharmacology Award for his groundbreaking research on brain adenosine. His work has led to a better understanding of CNS mechanisms in health and disease, with potential applications in treating conditions such as Parkinson's disease, epilepsy, and neuropathic pain.
A La Jolla Institute-led team has identified the primary cellular players in an adenosine-fueled inflammation cascade that contributes to insulin resistance. By using an adenosine receptor blocker, the team prevented the activation of macrophages, leading to improved insulin sensitivity and reduced blood sugar levels in diabetic animals.
A new drug called ADAC has been found to restore hearing in rats with noise-induced hearing loss. Early treatment with multiple injections of ADAC significantly attenuated noise-induced hearing loss and improved sensory hair cell survival.
Researchers at University of Rochester Medical Center discover adenosine's role in paralyzing pain signals, tripling acupuncture effects in mice by adding medication. The study identifies molecular mechanism underlying acupuncture's pain-relieving properties.
Researchers at the University of Texas Health Science Center at Houston have discovered a potential treatment for priapism, a condition characterized by persistent and painful penile erections. The FDA-approved drug PEG-ADA has been shown to relieve symptoms and prevent a major complication in pre-clinical studies.
Researchers have discovered a group of nerve ending receptors and chemicals that can activate them, providing a blueprint for the development of new laxatives. This breakthrough has the potential to make bowel movements easier, especially for infants and the elderly.
Researchers have identified a key molecular mechanism regulating brain's ability to compensate for sleep deprivation. Adenosine receptors help restore normal working memory and attention skills during rebound sleep.
The study provides a detailed understanding of the human A2A adenosine receptor, shedding light on its structure and potential drug targets. The findings suggest that the receptor has varying binding pockets, yielding opportunities for receptor diversity and ligand selectivity.
A study by researchers at the Howard Florey Institute in Melbourne found that manipulating the adenosine A2A receptor may contribute to heroin addiction. Mice without this receptor showed reduced desire for morphine and did not develop tolerance or conditioned place preference, suggesting a role in regulating opiate use and abuse.
Researchers found that caffeine protects mice from developing experimental autoimmune encephalomyelitis (EAE), a model for human Multiple Sclerosis (MS). Caffeine's ability to block adenosine receptors may be key to preventing immune cell infiltration into the central nervous system.
Research by Yang Xia and colleagues found that high levels of adenosine contribute to priapism in males with sickle cell disease. Adenosine signaling through the A2B receptor may be a key factor in the development of priapism, suggesting new potential treatments.
Researchers found a link between high levels of adenosine and priapism in male mice with sickle cell disease. The study suggested that reducing adenosine levels or blocking its activation could provide new treatments for priapism. Additionally, two other studies explored the development of reproductive disorders in humans and the prote...
Australian researchers identified a new protein in human airway epithelial cells that regulates allergic airway inflammation. A study suggests the protein aP2 plays an essential role in both type 2 diabetes and allergic airway diseases like asthma.
A recent study found that removing a specific protein from mice with chronic lung disease led to increased inflammation and damage. The discovery contradicts previous theories suggesting the protein's potential benefits in treating asthma.
Researchers have discovered that a specific cell surface molecule senses runaway inflammation and tissue damage, allowing the body to limit excessive inflammation. The study found that the adenosine receptor plays a central role in controlling inflammation, and its dysfunction may lead to impaired inflammation regulation.