Galanin Receptor 2
Galanin Receptor 2 - Related Videos
10:19
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Cited by 15 •
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Over the recent years, live cell-based assays have been used successfully to detect antibodies against surface and conformational antigens. Here, we describe a method using high-throughput flow cytometry enabling the analysis of large cohorts of patients. Detection of novel antibodies will improve diagnosis and treatment of immune-mediated disorders.
12:03
Receptor Autoradiography Protocol for the Localized Visualization of Angiotensin II Receptors
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Cited by 14 •
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Here we present a protocol to describe the localization of angiotensin II Type 1 receptors in the rat brain by quantitative, densitometric, in vitro receptor autoradiography using an iodine-125 labeled analog of angiotensin II.
12:02
High-throughput Analysis of Mammalian Olfactory Receptors: Measurement of Receptor Activation via Luciferase Activity
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Cited by 16 •
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Olfactory receptor activation patterns encode odor identity, but the lack of published data identifying odorant ligands for mammalian olfactory receptors hinders the development of a comprehensive model of odor coding. This protocol describes a method to facilitate high-throughput identification of olfactory receptor ligands and quantification of receptor activation.
07:44
Detection of SARS-CoV-2 Receptor-Binding Domain Antibody using a HiBiT-Based Bioreporter
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Cited by 2 •
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The outlined protocol describes the procedure for producing the HiBiT-receptor-binding domain protein complex and its application for fast and sensitive detection of SARS-CoV-2 antibodies.
01:07
Types of Receptors: Internal Receptors
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2023
Many cellular signals are hydrophilic and cannot pass through the plasma membrane. However, small or hydrophobic signaling molecules can cross the hydrophobic core of the plasma membrane and bind intracellular receptors that reside within the cell cytoplasm or nucleus. Many mammalian steroid hormones and nitric oxide (NO) gas use this cell signaling mechanism. Similar to membrane-bound receptors, the binding of a ligand to the intracellular receptor of causes a conformational change in the...
FAQs
Galanin binding changes the receptor’s conformation, enabling Galanin Receptor 2 to engage intracellular G proteins. This coupling can modify adenylyl cyclase activity or activate phospholipase C, depending on the signaling route involved. The resulting changes in intracellular calcium and neuronal excitability provide a mechanistic link between an extracellular neuropeptide signal and cellular responses relevant to medicine.
These G-protein pathways connect GALR2 activation with different intracellular signaling consequences. Gi/o-dependent coupling can alter adenylyl cyclase activity, whereas Gq/11-dependent signaling can engage phospholipase C and influence intracellular calcium. Considering both routes helps explain why GALR2 activity may produce context-dependent effects rather than one uniform response across neural and peripheral cells.
GALR2 outcomes depend partly on where the receptor is distributed and which cellular signaling machinery is available. The same galanin-triggered receptor activity may therefore influence neuronal excitability in one setting while contributing to inflammatory responses, neuroprotection, or tissue repair in another. This context dependence is important when interpreting GALR2 as a potential medical target.
When GALR2 signaling engages phospholipase C, intracellular calcium can become an important downstream response. Calcium changes may alter how an affected cell behaves, including processes linked to neuronal excitability and other cellular responses. Measuring this signaling outcome can help researchers distinguish pathway activation from broader effects associated with galanin-responsive neural or peripheral systems.
Studies of Galanin Receptor 2 have examined pain processing, inflammation, mood regulation, neuroprotection, and tissue repair. These areas reflect the receptor’s ability to connect galanin signaling with both neural and peripheral responses. The range of investigated conditions also shows why GALR2 is considered a possible therapeutic target rather than a mechanism limited to one disease process.
GALR2 research can evaluate how galanin-related signaling affects neuronal excitability, inflammatory responses, mood-associated regulation, protection of nervous-system cells, and tissue repair. Comparing these outcomes across relevant biological contexts may clarify whether receptor activity is beneficial, harmful, or dependent on the surrounding physiology. Such information supports interpretation of GALR2’s potential relevance to disease-related processes.
GALR2 is relevant because its signaling connects an identifiable cell-surface receptor with pathways that regulate adenylyl cyclase, phospholipase C, intracellular calcium, and neuronal excitability. Research can therefore examine whether modifying this receptor-related system influences pain, inflammation, mood, neuroprotection, or repair. Its varied distribution and context-dependent effects also make careful target evaluation essential.
Findings should be interpreted in relation to the tissue context, signaling pathway, and biological outcome being examined. GALR2 activity may translate galanin signals into different responses in neural versus peripheral settings, so results from one system may not predict effects in another. This approach helps connect receptor mechanisms with disease-related physiology without assuming a single universal function.