Articles tagged with Receptor Proteins
Researchers discovered that declining cardiolipin levels in aging muscle mitochondria trigger a defense mechanism to protect cells from ROS damage. By mimicking this decline in young mice, they found that restoring cardiolipin levels can reverse muscle wasting and prevent early deaths.
Researchers used PET imaging to find significantly lower muscarinic acetylcholine M1 receptor availability in schizophrenia patients compared to healthy individuals. This study provides the first in vivo evidence of widespread M1 receptor deficits in schizophrenia, supporting the development of muscarinic-based therapies.
Researchers have developed custom-designed proteins called WRAPs that can surround membrane proteins, shielding their hydrophobic surfaces and allowing them to remain soluble in water. This breakthrough enables the study of previously inaccessible membrane proteins, such as those found in syphilis bacteria.
Scientists have identified three powerful, drug-like molecules that directly target beta-arrestins, the first clear way to control these proteins with pharmacological precision. The compounds block beta-arrestin interaction with GPCRs and carry out their normal functions, allowing signaling through G proteins to persist.
Researchers identified a promising new strategy for reversing autism-related brain deficits by targeting a specific glycine transporter. The therapy restored NMDA receptor function in mouse models and human brain organoids, improving behavioral abnormalities such as social interaction and repetitive behaviors.
Researchers at UCSF discovered that single-celled organism Stentor learns through modifying existing proteins with calcium signaling, which is similar to the mechanism used by animal neurons. This finding suggests that learning may be a fundamental feature of life and could have evolved before the emergence of brains.
Researchers investigated the binding thermodynamics of doxepin geometric isomers to the histamine H1 receptor, revealing differences in enthalpy and entropy contributions. The study highlights the importance of considering conformational constraints in designing ligands with optimized thermodynamic properties.
Researchers discovered that certain antibodies employ unusual tactics to block bacterial adhesion, including creating molecular wedges and conformational traps. These mechanisms could lead to the development of immune therapies targeting glycan-binding cell-attachment proteins produced by bacteria causing urinary tract infections.
Researchers from Shinshu University used ribosome engineering to modify probiotic Lacticaseibacillus rhamnosus GG, resulting in increased colonization and enhanced immune stimulation. The engineered bacteria exhibit altered surface protein expression and induce higher activation of immune cells.
Estrogen activates previously unknown pathways in the colon, triggering pain and increasing sensitivity to certain foods. This explains why women are more likely to suffer from IBS and provides potential new ways to treat the condition.
Researchers at USF Health are developing new opioid compounds that provide pain relief without deadly side effects. The team's latest study uncovers new ways that opioid receptors work, offering hope for a better understanding of how to drug them and treat human health and disease.
UCSF researchers found a key cellular switch driving pulmonary fibrosis and developed a new therapy to block it in mice. The treatment works by preventing healthy lung cells from converting to harmful cell types, reducing scarring and improving lung function.
Researchers at Weill Cornell Medicine develop a new method to generate functional endothelial cells from adult tissue, potentially enabling vascular grafts and organ transplants. The approach involves using small molecules to trigger cell division without aging or losing function.
Joanna Wardwell-Ozgo, a Kennesaw State assistant professor, received a $720,000 NIH grant to investigate the hormonal control of cancer. She aims to understand how hormones affect cellular growth and development, with potential implications for disease mechanisms.
Researchers review nuclear receptor role in brain cancer development and explore their potential as therapeutic targets. Modulating these receptors with selective agonists or antagonists may offer new avenues for therapy, such as blocking androgen and estrogen receptors.
Researchers used AlphaFold3 to predict the structure of human bitter taste receptors, achieving higher accuracy than previous models. The study found similarities and differences in the structures of T2Rs, shedding light on their function and potential role in health and pharmaceutical research.
Researchers at the University of Oklahoma have made a significant breakthrough in understanding the amylin hormone, which controls appetite and blood sugar. Their findings provide new tools for drug development, enabling pharmaceutical companies to target specific receptors with greater precision.
Researchers found that repeated tickling increases oxytocin receptor expression in a rat brain region, mediating social bond formation across species. Pleasant tactile stimulation drives affinity-like behavior, indicating the formation of social bonds.
Researchers at Fox Chase Cancer Center discovered that talin has distinct binding modes for two types of integrins in blood cells, which could enhance their function and lead to more effective treatments. The study highlights the importance of understanding how talin interacts with different integrin subtypes to modulate its activity.
Researchers at WVU have discovered a way to fine-tune zinc activity to improve messaging in the brain, with potential applications for treating conditions such as autism, schizophrenia and Alzheimer's disease. The study identified new compounds that can selectively change synaptic connections by modulating zinc levels.
Researchers have created a detailed structural map of GABA A receptors in the human brain, revealing how they assemble and interact with drugs. The study provides new insights into treating epilepsy, anxiety, depression, and insomnia, and paves the way for customized therapies.
Scientists at the University of Florida have developed a genetically edited citrus tree that produces a protein killing baby Asian citrus psyllids, which transmit the greening disease. The approach has shown promise in controlling the spread of HLB, but adult psyllids remain a challenge.
Scientists identify hederagenin, a highly selective antagonist of NPFFR1, to block chronic pain. The discovery could facilitate the rational design of future therapeutics for pain management.
Researchers at the Lewis Katz School of Medicine will investigate how injured heart cells communicate with other cells throughout the body using microvesicles known as exosomes. The study aims to understand how specific molecules, such as microRNAs, facilitate communication pathways between cells in the heart and vasculature.
Researchers have identified a new regulator of eating behavior, the latrophilin 1 receptor, which is linked to obesity. The receptor, primarily studied for its role in synapse formation, was found to be present in brain regions controlling food intake and adipose tissue.
Researchers at Washington State University have discovered a key protein in prostate cancer cells' resistance to docetaxel. Blocking this protein, CHRM1, with dicyclomine restored the effectiveness of docetaxel and reduced tumor growth.
City of Hope will conduct Phase 1 clinical trials for novel cell and gene therapy treatments for patients with HIV, acute myeloid leukemia, and severe aplastic anemia. A CAR T therapy for HIV is also being developed to potentially target other diseases.
Scientists found a common plasminogen-apple-nematode domain in plants like poplar and willow that is also present in the human NRP1 receptor protein, which holds promise as a future therapeutic target for COVID-19 treatment. Mutating amino acids in this domain disrupted the virus's ability to invade cells.
A study led by Tokyo University of Science researchers identified Dectin-1's role in promoting colorectal cancer by enhancing PGE2 production and suppressing IL-22BP expression. The study used mouse models and clinical samples to validate the findings, which have immediate clinical implications for CRC patients.
A new study reveals a protein in the nervous system regulates collagen expression, potentially extending human lifespan as temperatures rise. Mutant worms with increased collagen production lived longer and looked younger than wild-type worms under warm temperatures.
Researchers found that chloride ions bind to sweet taste receptors and evoke a taste sensation. The study suggests that low concentrations of Cl- can produce a 'light' sweet taste sensation via the T1r in the taste buds.
Researchers developed new spiro-pyrazolo quinazoline derivatives with reduced bee toxicity without compromising insecticidal activity. The compounds showed promising results, including one compound with an LD50 value three to four orders of magnitude lower than fipronil.
Researchers characterized viral protein binding to sialic acids on animal and human coronaviruses, revealing host-specific patterns. This adaptation enables coronaviruses to quickly jump species, driving cross-species transmission.
Researchers at WashU Medicine and University of Pittsburgh discover that Rift Valley fever virus uses a protein linked to cholesterol metabolism to infect cells. The finding could lead to therapies preventing or reducing the virus's impact by interfering with its entry into cells.
Researchers have identified a receptor protein that can detect extreme cold temperatures in creatures. The study found that the glr-3 gene, responsible for making the GLR-3 receptor protein, is required for worms to sense cold temperatures and is evolutionarily conserved across species.
Researchers have identified the mechanism by which Kennedy's disease causes muscle weakness and reduced fertility, impairing autophagy pathway function. The study suggests that targeting the bad androgen receptor protein could prevent the disease and other neurological disorders from progressing.
A team of scientists has identified a molecule called bourgeonal that activates the human sperm receptor protein, which may play a critical role in fertilization. The discovery could lead to new non-toxic contraceptives and provide valuable insights into chemical communication during fertilization.
University of Michigan scientists have identified a protective mechanism that allows anthrax spores to remain dormant in soil for decades. The study found that germination requires the coordinated activity of multiple genes, receptor proteins, and amino acids in two simultaneous signaling pathways.