Articles tagged with Receptor Activation
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A randomized clinical trial shows that semaglutide improves glycemic control and weight outcomes in individuals with schizophrenia. The study suggests using glucagon-like peptide-1 receptor agonists as an early intervention strategy to reduce cardiometabolic risk in this population.
A study found that women with obesity who stopped using GLP-1 receptor agonists experienced more gestational weight gain and a higher risk of preterm delivery, gestational diabetes, and hypertensive disorders. The research suggests that discontinuation of these medications may impact pregnancy outcomes.
Withdrawal of tirzepatide after 36-week treatment led to 25% or greater weight regain in most participants within a year, reversing initial cardiometabolic parameter improvements. Continued obesity treatment is crucial for sustained benefits.
The study found that GLP-1 receptor agonists are increasingly used for postpartum weight loss in overweight women without a documented diabetes diagnosis. The primary indication for use was weight reduction, suggesting a potential shift in treatment guidelines.
A cohort study found GLP-1 RAs offer body mass index-dependent cardiovascular benefits and consistent kidney protection for type 2 diabetes patients. The study suggests BMI stratification is crucial for guiding treatment decisions.
UCSF scientists identified a receptor that enables microglia to engulf and digest amyloid beta plaques, leading to fewer and smaller clumps. This discovery creates an opportunity for new therapies targeting the receptor ADGRG1.
A study by Helmholtz Munich researchers found that GIPR agonism and antagonism decrease body weight and food intake via different mechanisms. GIPR agonists use GABAergic neurons to exert their effect, while antagonists rely on the GLP-1 receptor signal.
A new study found that listening to favorite music activates the brain's opioid receptors, explaining why it evokes strong feelings of pleasure. The release of opioids is also linked to individual differences in music enjoyment and may help develop new music-based interventions for pain management and mental health disorders.
A team of Chinese researchers identified a novel intercellular signaling mechanism between adipocytes and hepatocytes in endoplasmic reticulum stress response. The study reveals that ceramide, a fat molecule, plays a key role in activating the unfolded protein response pathway in hepatocytes.
A new study found that higher temperatures reduce the effectiveness of natural mosquito repellents by desensitizing their pain receptors. This means mosquitoes may find these substances less irritating in hotter weather, potentially leading to increased bites and disease transmission.
Researchers at the University of Missouri have identified a small molecule drug that targets a specific serotonin receptor, showing promise as a treatment for sarcopenia. The study suggests that this neurotherapeutic can improve muscle strength by activating motor neurons to fire more effectively.
This study identified PIBP4, a PRA protein, as a crucial component of the PigmR-mediated immune signaling pathway in rice. The absence of PIBP4 and its interacting partner OsRab5a compromised blast resistance by disrupting PigmR's microdomain localization.
Researchers at U of T discover a ginger compound called furanodienone that selectively binds to and regulates nuclear receptor PXR, reducing inflammation in the colon. FDN has been shown to increase tight junction proteins, repairing damage to the gut lining caused by inflammation.
A new study explains how scratching aggravates inflammation and swelling in a type of eczema called allergic contact dermatitis. Scratching activates mast cells, which drive itchiness and inflammation, but also triggers the release of substance P, which protects against bacteria.
Researchers at Weill Cornell Medicine have identified a specific brain circuit that appears to reduce anxiety without side effects. The study suggests a new target for treating anxiety disorders and demonstrates a general strategy for mapping drug effects on the brain.
A new combination therapy combining systemic interferon-I with local imiquimod application showed promising results in treating melanoma and breast cancer. The therapy activated the adaptive immune system to fight distant metastases, reducing tumor relapses and increasing sensitivity to checkpoint inhibitors.
Researchers at Nagoya University found that stimulating CB2 with JWH 133 improved cognitive function and reduced neuroinflammation in AD mouse models. The study suggests that CB2 is a potential therapeutic target for Alzheimer's disease, providing a cost-effective alternative to existing treatments.
A new study reveals that delta opioid receptor agonist KNT-127 has a rapid and effective antidepressant effect with minimal side effects. The research highlights the molecular mechanisms underlying its action, including mTOR signaling pathways and Akt activation in the medial prefrontal cortex.
Researchers at Université de Montréal successfully recreated two distinct mechanisms that can program the activation and deactivation rates of nanomachines in living organisms across multiple timescales. This breakthrough suggests how engineers can exploit natural processes to improve nanomedicine and other technologies.
Researchers at University of California - San Francisco designed biological sensors that can ensure engineered cells are activated in tumor environments, making cancer therapies more effective. The new sensors, called SNIPRs, can bind to soluble molecules and alter gene expression, offering a promising approach for targeted therapies.
Researchers found that prenatal exposure to synthetic cannabinoid led to cardiovascular problems in female rats and increased respiratory sensitivity to carbon dioxide in male rats. Sleep quality also deteriorated in both sexes, with males experiencing sleep fragmentation due to frequent wakefulness episodes.
Researchers have provided compelling evidence that perceived stress can directly trigger the relapse of psoriatic skin lesions. The study used a humanized mouse model to show that sonic stress led to a relapse in all psoriasis lesions within 14 days, accompanied by increased inflammation and immune activation.
Researchers discover 5-HT2A receptor selectively suppresses visual information strength without inhibiting parallel processes. This mechanism regulates the importance attached to incoming information, which could help develop new therapies for psychiatric diseases.
Researchers from Kumamoto University discovered that prostaglandin receptors in the uterus enhance decidualization, a crucial process for successful pregnancy. This finding opens the door to developing new fertility treatments targeting these receptors.
Researchers find that unabsorbed dietary polyphenols can reduce the risk of type II diabetes by regulating blood glucose levels and appetite through secretion of gastrointestinal hormones. Polyphenol-mediated binding and activation of T2R promotes the release of incretins, which regulate insulin secretion and food intake.
Researchers at NYU Abu Dhabi have discovered that the tumor suppressor protein Par-4 can cause a unique type of cell death called ferroptosis in human glioblastoma cells, while sparing healthy cells. This new understanding has the potential to inform the development of novel treatments for various hard-to-treat cancers and neurodegener...
Researchers have developed Nano-MIND technology, which uses magnetism to selectively activate specific deep brain neural circuits, modulating complex brain functions such as cognition and emotion. The technology has been successfully tested in animals, demonstrating its potential to regulate feeding behaviors and maternal instincts.
A study has identified a key factor in how SARS-CoV-2 evades the immune system, which could lead to effective treatments. The researchers discovered that the virus distorts certain proteins on infected cells to inhibit interaction with T-lymphocytes, facilitating viral proliferation.
Researchers describe redundant innate immune pathways triggered by AAV vectors, including sensing of viral genome and cytoplasmic DNA sensors. The study highlights the need to understand complex biologic mechanisms underlying adverse reactions to AAV vectors in human gene therapy trials.
A previously unknown mechanism in the brain causes migraine attacks by carrying proteins to specific nerve cells, explaining one-sided headaches. The discovery may lead to new treatment options and help understand other headache diseases.
Researchers have identified a potential compound that enhances naloxone's effectiveness in reversing opioid overdoses by making it more potent and longer-lasting. The compound, dubbed compound 368, was found to improve naloxone's ability to counteract opioid overdoses in mice and enable reversal at lower doses.
Researchers developed a reliable marker for monocytes and dendritic cells, enabling clear identification and separation of different sample types. The new method unlocks exciting possibilities for cell isolation and quantification in diagnosing and monitoring various conditions.
Researchers characterize thalamic and cortical neurons responding to ocular surface stimulation, showing diverse multimodal response profiles. The study provides insights into how sensory stimulus information is integrated from the peripheral nervous system into the brain's cortical networks.
A study published in PNAS reveals the molecular mechanisms underlying SSTR5 activation by neuropeptides and drugs, including cortistatin-17 and octreotide. The researchers employed single-particle cryo-electron microscopy to determine three-dimensional structures of SSTR5 bound to these ligands, showing how they trigger conformational ...
A Michigan Medicine study reveals that circadian rhythms play a crucial role in mobilizing innate lymphoid cells, which defend barrier tissues. The study found that clock genes regulate the activation of these cells at different times of day.
Researchers explore Extracellular signal-regulated kinase 5 (Erk5) and its unique structures regulating autophosphorylation and transcription. Erk5 is involved in angiogenesis, neurogenesis, energy metabolism, tumor growth, and metastasis, making it a potential target for cancer treatment.
Researchers have made a breakthrough in understanding the GIP hormone's role in regulating insulin levels and weight loss. The study, involving over 500,000 individuals, found that inhibiting the GIP receptor may result in weight loss, while activating it without arresting its signal is crucial.
Researchers created an artificial lymph node using hyaluronic acid, which connects with T-cells via a cell surface receptor. The noden acted as a learning hub, stimulating T-cells to recognize and kill cancer cells in mice with melanoma and colon cancers.
Researchers identify REF1 as a key local wound signal governing plant regenerative responses. Its application has improved transformation efficiency in crops like soybeans and wheat.
Scientists at St. Jude Children's Research Hospital have designed novel PXR inhibitors that can block the activity of pregnane X receptor, a key regulator of drug metabolism. The study provides new insights into the relationship between compounds that activate and inhibit PXR, with implications for designing more effective therapeutics.
Researchers found that iron is a regulator of energy usage by immune cells in the lungs, which can help treat asthma and other allergic diseases. Blocking or limiting iron uptake may reduce asthma severity.
Researchers found that SARS-CoV-2 spike protein interrupts p53-MDM2 interaction but does not bind with p53 protein in cancer cells. The study also shows that SARS-CoV-2 spike suppresses p53-dependent gene activation, leading to increased cell viability after chemotherapy exposure.
Researchers at the University of Toronto have found a way to better control the preclinical generation of key neurons depleted in Parkinson's disease. They developed an efficient method for stimulating stem cell differentiation to produce neural cells in the midbrain, which closely resemble dopaminergic neurons of natural origin.
A research team has made a significant breakthrough in understanding the GPR156 receptor protein's role in maintaining auditory function. The study reveals that GPR156 exhibits sustained activity even without external stimuli, highlighting its potential as a target for treating congenital hearing impairments.
Researchers at UNC School of Medicine discovered the detailed protein structure of the TAS2R14 bitter taste receptor, revealing how it identifies and activates bitter tastants. The discovery has potential applications in drug development for metabolic diseases like obesity and diabetes.
Researchers used single-molecule microscopy and X-ray crystallography to discover that pathogenic JAK2 mutations utilize pseudokinase domain-mediated dimerization as a mechanism for activation. The study provides new insights into the molecular basis of JAK2 activation and its role in blood cancers.
Researchers discovered that plant immune proteins condense into droplets to become activated and protect against infections. Phase separation plays a crucial role in the activation of TIR domain proteins, a class of important immune receptors.
Researchers at Aarhus University have found a way to spot Alzheimer's disease before it develops into dementia using an advanced blood test analysis. The study suggests that activating the body's immune system at an early stage of the disease may slow down its progression.
Researchers at MIT have developed a new type of nanoparticle that can both deliver vaccines and act as an adjuvant to generate a strong immune response. The particles, called metal-organic frameworks (MOFs), were shown to be effective in delivering the SARS-CoV-2 spike protein and boosting the immune system's response.
Delta opioid receptors play a crucial role in anxiety development, and research reveals its therapeutic effects in animal models. KNT-127, a DOP agonist, reduces anxiety-like behavior by suppressing glutamatergic transmission, offering new potential for treating anxiety disorders.
Research reveals oxytocin neurons in mouse brain modulate object recognition memory, with activation boosting long-term memory and implicating Alzheimer's disease. Oxytocin's role in social memory also highlighted, suggesting a potential link to loneliness or limited social engagement.
Scientists found that short-chain fatty acids produced by gut bacteria suppress allergic reactions by modulating mast cell activation and epigenetic modifications. This study provides new insights into the relationship between diet and immune system regulation, with potential applications in allergy treatment.
Researchers at Karolinska Institutet used DNA origami to activate the Notch receptor in a new way, revealing it can be activated 'on demand' with the help of a protein called Jag1. The study opens new avenues for understanding the Notch signalling pathway and its role in serious diseases like cancer and Alagille Syndrome.
Researchers at Washington State University discovered that cannabis activates a set of cells in the hypothalamus, promoting appetite in mice. The study used calcium imaging technology to determine how brain cells responded to vaporized cannabis sativa.
A microbial sensor, Nod1, plays a crucial role in the development of blood stem cells. The discovery could lead to the creation of patient-derived blood stem cells, eliminating the need for bone marrow transplants and improving lives of leukemia, lymphoma, and anemia patients. Researchers are continuing to study the complex interaction...
Researchers discovered that dietary indoles, such as those found in broccoli, can activate the immune system to fight off Cryptosporidium infection. This protection was seen in mice, including those with weakened immune systems and newborns, suggesting a potential way to prevent recurring infections in children.
Researchers discovered that Osteopontin induces mitochondrial biogenesis in deadherent breast tumor cells, which aids metastatic success. The study suggests a possible mechanism and targets for treating cancer metastasis by increasing ATP levels and mitochondrial mass.
Researchers found that 1,5-AF activated AMPK, leading to upregulation of the PGC-1α/BDNF pathway and alleviating aging-related decline in motor cognitive function. The study suggests that 1,5-AF can induce endogenous neurovascular protection, potentially preventing aging-associated brain diseases.
Researchers at the CNIC in Madrid have discovered a connection between stress kinases and the development of ventricular fibrillation. The study found that activation of these enzymes alters the electrical properties of cardiomyocytes, triggering arrhythmias.
Researchers at USTC solved the structure of CaSR-Gq complex, revealing asymmetric activation mechanism. The study shows that CaSR binds to Gq in a shallow pocket on its cytosolic side, unlike other GPCRs.