Articles tagged with No Signaling
A recent study published in Nature has identified specialized blood vessels and nitric oxide as crucial for stem cell survival and immune evasion. Hematopoietic stem cells that produce high levels of nitric oxide survive by manipulating the immune response, creating an 'immune-privileged' environment.
Researchers have developed a new gene switch that uses nitroglycerine to trigger the production of insulin and regulate blood sugar levels in people with diabetes. This switch is made exclusively of human constituents, eliminating the risk of false triggering or immune reactions.
A copper-containing, electrically conducting, two-dimensional metal–organic framework has been developed for the highly selective detection of nitric oxide. The material detects NO at room temperature with high sensitivity and selectivity, making it suitable for air quality monitoring and medical applications.
Professor Amal's research has uncovered crucial links between autism spectrum disorder (ASD) and Alzheimer's disease, suggesting shared molecular mechanisms that could revolutionize treatment approaches. He is developing biological diagnostics and treatments for ASD through his biotechnology companies, Point6 Bio Ltd and NeuroNOS Ltd.
Researchers investigate how hypernatremia affects microglial responses and evaluate potential therapies. Microglia's response to hyperosmotic stress is found to be associated with NFAT5 expression and NO production.
Researchers will investigate how altered copper metabolism and redox balance contribute to endothelial cell dysfunction, leading to cardiovascular diseases. The five-year project aims to understand the underlying mechanisms of vascular disease and develop effective treatments.
A new nanoreactor generates nitric oxide, reactive oxygen species, and reactive nitrogen species to kill tumor cells and activate the immune response. The NIR-triggered on-site NO/ROS/RNS nanoreactor shows improved efficacy and long-term anti-tumor effects.
A new study led by Penn State researchers found that daily consumption of beetroot juice may improve blood vessel function and reduce future heart disease risk in postmenopausal women. Beetroot juice contains high levels of nitrate, which helps blood vessels expand and improves circulation.
Researchers found that Angelica gigas extract improves vascular function in high-fat diet rats, reversing endothelial dysfunction and increasing NO bioavailability. The extract regulates IRE1α sulfonation and RIDD signaling, promoting NO production via the SIRT1-eNOS axis.
A new study from Indian Institute of Science finds that certain types of cancer cells respond well to IFN-γ activation, while others don't. The researchers suggest approaches to make non-responsive cancer cells better respond to immunotherapy by targeting their metabolism.
Researchers identified a stable NO intermediary called NO-ferroheme, which enables nitric oxide to regulate blood flow and blood pressure. The discovery provides strong evidence for the role of heme in stabilizing NO and offers potential for developing new drugs targeting disease states such as pulmonary hypertension and diabetes.
The study reveals that NO forms a new compound, NO-ferroheme, which significantly expands blood vessels and directly activates guanylyl cyclase. This finding challenges the long-held hypothesis on nitric oxide signalling in blood vessels.
A research team led by Prof. SUN Baolin revealed the mechanism of transcriptional regulation via S-nitrosylation for vancomycin resistance in Staphylococcus aureus. The study found that nitric oxide generated by NOS mediates the S-nitrosylation of transcription regulator MgrA, promoting vancomycin resistance.
A novel therapy using sustained release of nitric oxide has been shown to ameliorate obesity and Type 2 diabetes in mice fed a high-fat diet. The therapy was found to decrease body weight, improve glucose tolerance, and stimulate the browning of adipose tissue.
A new MRI probe can monitor individual populations of neurons and reveal how they interact with each other. The technique uses genetically targeted probes to detect neural activity and provide a more precise picture of brain function.
Stabilizing the NO signaling pathway has been achieved through the use of zinc complexes, which can bind to thionitrite and perthionitrite anions. This breakthrough reveals the importance of these intermediates in cellular communication, shedding light on their roles in vasodilation and cell protection.
Scientists have discovered that the nitric oxide pathway is overactivated in Marfan Syndrome and causes aortic aneurysms. Inhibiting this pathway completely reverses the disease in a mouse model. The study identifies new therapeutic targets and markers for monitoring disease status.
Scientists develop nanocapsules loaded with enzymes that can enter cells and integrate into their signaling processes, amplifying natural reactions. The combination of nano-capsules increases cellular reactivity by 8-fold.
A team of UMass Amherst biologists discovered how plants maintain an optimal sperm-egg ratio by controlling the environment in their ovules. FERONIA regulates a gene that interacts with pectin, a sugar polymer in cell walls, to create a receptive environment for pollen tubes and prevent polyspermy.
Researchers created a detailed diagram of the brain circuits behind thirst and satiety in mice, showing that opposing lines of communication play critical roles. The study provides insights into the rules governing the brain's response to dehydration and may shed light on appetite regulation.
A study published in Nature Communications reveals that kisspeptin, a hormone in the brain, drives attraction to the opposite sex and triggers sexual behavior. The discovery opens up new possibilities for treating patients with low sexual desire disorders.
Researchers have discovered that enzymes can be activated by electrical stimulation, leading to ultrafast signal transfer within cells. This process allows for locally restricted signaling, preventing unwanted cellular processes such as cell death.
Researchers found that C6' treatment reversed abnormal nitric oxide signaling in mice with and without sickle cell disease, resulting in normalized erectile functioning. The compound's potential extends beyond treating priapism to vascular and circulatory disorders.
Researchers have discovered a surprising molecular pathway in skin cells that produces nitric oxide, a versatile signaling molecule involved in wound-healing and temperature-sensation. This alternative process could lead to better drugs for treating wounds.
Researchers found that supplementing rats with nitrate before vessel injury limited damage, while a diet low in nitrate exacerbated it. The study suggests that leafy green diets may benefit vascular health through nitric oxide production.
Researchers have identified PPAR alpha and gamma as key signaling elements in remote ischemic preconditioning (IPC), a powerful form of cardioprotection that can reduce myocardial infarct size by up to 50%. The activation of these nuclear receptors is linked to the production of nitric oxide, a well-established preconditioning-mimetic.
Alzheimer's disease researchers found that deadly plaques interact with cellular proteins to reduce blood flow and signal molecules in the brain. The study suggests that blocking specific interactions could slow neuronal degeneration and protect nitric oxide production.
The nematode C. elegans prefers 6% oxygen, which helps it survive in environments with low oxygen. The worm's oxygen sensors are similar to those used by humans and other animals to detect nitric oxide.
A team of researchers from Tufts University and Brigham and Women's Hospital discovered that nitric oxide plays a key role in controlling the firefly flash. The findings, published in Science, reveal how a temporary cut in mitochondrial power supply triggers the firefly's bioluminescent glow.
Nitric oxide is found to control cell death through its occupation of the caspase enzyme, which triggers programmed cell death. This discovery opens doors for potential therapeutic interventions in various diseases, including cancer, liver failure and immune system disorders.
Researchers have solved the structure of the active site of the enzyme responsible for producing nitric oxide, a crucial signaling molecule involved in various physiological processes. The discovery provides insight into how NO production is controlled and may lead to the development of new drugs to modulate its activity.
Researchers at the University of Pennsylvania have discovered a novel biochemical mechanism for carbon monoxide poisoning that may lead to new clinical approaches. The study reveals that CO binds to heme proteins, usurping nitric oxide and leading to tissue-damaging oxidants and free radicals.
Researchers found that nitric oxide synthase is activated within minutes after nerve cell damage in medicinal leeches, leading to regeneration. The study suggests NOS may aid in minimizing tissue damage and infection by flagging down microglia at the site of injury.
Researchers found that nitric oxide activates genes directly, controlling basic life processes down to the gene level. The discovery suggests a universal signaling molecule with far-reaching implications for health and disease.
Researchers find nitric oxide controls genes, influencing myriad body functions. The discovery offers a new approach to developing antibiotic drugs to disarm invasive bacteria.