Significance of Signaling molecule
Signaling molecules encompass a diverse range of compounds vital for cellular communication and function across various organisms and systems. Examples include diadenosine tetraphosphate, reactive oxygen species, and nitric oxide, each playing distinct roles. These molecules are involved in processes like immune and nervous system interactions, neuronal protection during ischemia, and bacterial communication in biofilm formation. Dysregulation of signaling molecules, such as excessive ROS production, can lead to cellular damage, highlighting their importance in maintaining homeostasis.
Synonyms: Messenger molecule, Ligand, Signal transducer, Effector molecule, Regulator, Messenger
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The concept of Signaling molecule in scientific sources
Signaling molecules encompass diverse compounds like nitric oxide, Ap4A, and reactive oxygen species. They mediate vasodilation, neurotransmission, immune responses, and cellular communication, playing crucial roles in both normal physiology and pathological conditions, including bacterial infections and oxidative stress.
From: Sustainability Journal (MDPI)
(1) Chemical compounds crucial for communication between plants and microbes, facilitating interactions in systems like legume-rhizobium and mycorrhizae.[1] (2) The amino acid proline can function as a signaling molecule within the plant, contributing to the overall defense system designed to mitigate the harmful effects caused by various types of environmental stress.[2] (3) These are produced in plants, with examples like salicylic acid, ethylene, and jasmonic acid, playing a crucial role in plant defense mechanisms.[3]
From: International Journal of Environmental Research and Public Health (MDPI)
(1) Signaling molecules are chemical agents used by microorganisms in the rhizosphere to monitor their immediate habitat, allowing them to effectively modify their activities and interact with other community members.[4] (2) As a signaling molecule, IDO 1 moves from the cytosol to early endosomes where it functions in transforming growth factor (TGF)-β induced noncanonical signaling, helping to establish a long-term immunoregulatory phenotype in dendritic cells.[5] (3) Signaling molecules are substances that transmit information between cells, influencing neural circuits and modifying their function in the brain.[6]
From: International Journal of Pharmacology
(1) These molecules are produced by different food spoilage and other pathogenic bacteria, playing a role in signaling mechanisms and biofilm formation in both medical and food industries.[7] (2) The molecules that both the nervous and immune systems converge through.[8] (3) The discovery of important signaling molecules and related signal pathways to protect neurons in the ischemic penumbra is beneficial to neuroprotective strategies.[9]
From: Asian Journal of Pharmaceutics
(1) Arginine is a precursor to nitric oxide, a signaling molecule involved in vasodilation and neurotransmission.[10] (2) Reactive oxygen species (ROS) serve as important molecules at normal levels, but their excessive production during oxidative stress can lead to considerable cellular damage.[11] (3) Crossphosphorylation of JAK 2 induces rapid phosphorylation of three conserved tyrosine residues in the cytoplasmic domain of LEPR, creating docking sites for these.[12]