gasdermin A3 Activators
Gasdermin A3 activators constitute a diverse group of chemical agents that engage a critical regulatory mechanism in cellular biology, primarily governing the execution of an inflammatory form of cell death known as pyroptosis. These activators are not a homogeneous class of compounds but rather a collection of molecules that exert their effect through various pathways and mechanisms, ultimately converging on the modulation of gasdermin A3. For example, some compounds within this group function as ionophores-molecules that transport ions across the lipid membranes of cells. Ionophores such as nigericin and ionomycin disrupt the ionic balance within cells, particularly affecting potassium and calcium ions. This disruption can trigger a cascade of intracellular signaling events that include the activation of the inflammasome, a multiprotein oligomer responsible for the activation of inflammatory responses within the cell. The inflammasome, in turn, cleaves the gasdermin A3 protein, leading to its activation.
Upon cleavage, gasdermin A3 undergoes a conformational change that allows it to insert into cellular membranes and form pores, compromising the integrity of the membranes and facilitating the release of pro-inflammatory cytokines and ultimately leading to cell rupture. Other activators in this class operate by influencing cellular stress pathways or altering the function of cellular organelles. For example, oligomycin, an inhibitor of ATP synthase, affects the energy metabolism of the cell, leading to a state that can precipitate inflammasome activation. Similarly, bafilomycin A1 disrupts lysosomal acidification, which can also lead to inflammasome activation. These activators, including compounds like Dimethyl sulfoxide (DMSO) and cytochalasin D, modulate the physical properties of cells, such as membrane permeability and cytoskeletal structure, thereby indirectly influencing the activation of gasdermin A3.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Dimethyl Sulfoxide (DMSO) | 67-68-5 | sc-202581 sc-202581A sc-202581B | 100 ml 500 ml 4 L | $31.00 $117.00 $918.00 | 136 | |
When applied to cells, Dimethyl sulfoxide can increase membrane permeability, thereby facilitating the entry of other molecules that may directly activate gasdermin A3, leading to its oligomerization and pore formation in cell membranes. | ||||||
Nigericin sodium salt | 28643-80-3 | sc-201518A sc-201518 sc-201518B sc-201518C sc-201518D | 1 mg 5 mg 25 mg 1 g 5 g | $46.00 $112.00 $240.00 $7079.00 $27417.00 | 9 | |
Nigericin acts as a potassium ionophore, disrupting potassium ion gradients, which is a key event in the activation of the NLRP3 inflammasome. This inflammasome activation can lead to the cleavage and subsequent activation of gasdermin A3, resulting in its pore-forming activity. | ||||||
A23187 | 52665-69-7 | sc-3591 sc-3591B sc-3591A sc-3591C | 1 mg 5 mg 10 mg 25 mg | $55.00 $131.00 $203.00 $317.00 | 23 | |
The compound selectively raises intracellular calcium levels, which can lead to the activation of the NLRP3 inflammasome, subsequently causing the cleavage and activation of gasdermin A3, which is involved in the execution of inflammatory cell death. | ||||||
Oligomycin A | 579-13-5 | sc-201551 sc-201551A sc-201551B sc-201551C sc-201551D | 5 mg 25 mg 100 mg 500 mg 1 g | $179.00 $612.00 $1203.00 $5202.00 $9364.00 | 26 | |
This mitochondrial ATP synthase inhibitor reduces ATP levels, which can lead to the activation of inflammasomes, and thus indirectly enhance the activation of gasdermin A3, contributing to its role in pyroptotic cell death. | ||||||
ADP | 58-64-0 | sc-507362 | 5 g | $54.00 | ||
Extracellular ATP serves as a signaling molecule, binding to purinergic receptors and can lead to the activation of the inflammasome, which in turn activates gasdermin A3, enhancing its pore-forming activity. | ||||||
Ionomycin | 56092-82-1 | sc-3592 sc-3592A | 1 mg 5 mg | $78.00 $270.00 | 80 | |
Similar to A23187, ionomycin is a calcium ionophore that increases intracellular calcium concentrations, leading to inflammasome activation, which can then lead to the activation of gasdermin A3. | ||||||
Bafilomycin A1 | 88899-55-2 | sc-201550 sc-201550A sc-201550B sc-201550C | 100 µg 1 mg 5 mg 10 mg | $98.00 $255.00 $765.00 $1457.00 | 280 | |
Bafilomycin A1 is a known inhibitor of the vacuolar-type H+-ATPase. Disruption of lysosomal acidification can lead to the activation of certain inflammasomes, possibly contributing to the activation of gasdermin A3. | ||||||
Cytochalasin D | 22144-77-0 | sc-201442 sc-201442A | 1 mg 5 mg | $165.00 $486.00 | 64 | |
As an inhibitor of actin polymerization, cytochalasin D can disrupt cytoskeletal dynamics, which may indirectly activate inflammasomes due to changes in cellular stress and membrane integrity, potentially leading to the activation of gasdermin A3. | ||||||
Aluminum hydroxide | 21645-51-2 | sc-214529 sc-214529A | 100 g 500 g | $39.00 $55.00 | 3 | |
As an adjuvant, aluminum hydroxide is known to promote inflammasome activation, which may include the NLRP3 inflammasome, leading to the activation of gasdermin A3 and its associated functions. | ||||||