Optineurin is a multifunctional protein involved in various cellular processes, including vesicle trafficking, autophagy, and regulation of inflammatory responses. It is primarily localized to the cytoplasm and plays a crucial role in maintaining cellular homeostasis by coordinating intracellular trafficking events and mediating protein-protein interactions. One of its key functions is its involvement in autophagy, a cellular process responsible for degrading and recycling damaged organelles and proteins. Optineurin has been shown to interact with several autophagy-related proteins and participate in the formation of autophagosomes, which are double-membrane vesicles that sequester cytoplasmic material for degradation by lysosomes. Additionally, optineurin has been implicated in the regulation of NF-κB signaling, where it acts as an adaptor protein that facilitates the activation of NF-κB in response to various stress stimuli, such as microbial infection or cellular damage.
The inhibition of optineurin involves disrupting its functional interactions or interfering with its cellular localization and activity. One mechanism of inhibition is through the disruption of protein-protein interactions essential for optineurin function. By targeting specific binding sites or domains on optineurin or its interacting partners, inhibitors disrupt the formation of functional protein complexes involved in autophagy or NF-κB signaling pathways. Another approach to inhibit optineurin activity is by modulating its post-translational modifications, such as phosphorylation or ubiquitination, which regulate its subcellular localization and activity. Additionally, small molecules or compounds may be developed to directly target optineurin or its associated proteins, thereby interfering with its role in vesicle trafficking, autophagy, or inflammatory responses. Overall, understanding the mechanisms of optineurin inhibition provides valuable insights into strategies for diseases associated with dysregulated autophagy or inflammation.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
BAY 11-7082 | 19542-67-7 | sc-200615B sc-200615 sc-200615A | 5 mg 10 mg 50 mg | $62.00 $85.00 $356.00 | 155 | |
BAY 11-7082 is an inhibitor of NF-κB activation. It prevents the phosphorylation and subsequent degradation of IκBα, leading to reduced nuclear translocation of NF-κB, a known interactor of Optineurin. This can result in decreased Optineurin sequestration by NF-κB, reducing its activity. | ||||||
Cycloheximide | 66-81-9 | sc-3508B sc-3508 sc-3508A | 100 mg 1 g 5 g | $41.00 $84.00 $275.00 | 127 | |
Cycloheximide is a protein synthesis inhibitor, blocking translational elongation. By inhibiting overall protein synthesis, it can indirectly downregulate Optineurin levels, thereby reducing its activity. | ||||||
Chloroquine | 54-05-7 | sc-507304 | 250 mg | $69.00 | 2 | |
Chloroquine is an autophagy inhibitor that prevents the fusion of autophagosomes with lysosomes. Since Optineurin functions in autophagosome formation, blocking autophagy can indirectly reduce Optineurin activity. | ||||||
Autophagy Inhibitor, 3-MA | 5142-23-4 | sc-205596 sc-205596A | 50 mg 500 mg | $65.00 $261.00 | 113 | |
3-MA is an inhibitor of class III PI3K, which is involved in autophagy initiation. Inhibition of this stage can indirectly affect Optineurin's role in autophagosome formation, reducing its activity. | ||||||
Wortmannin | 19545-26-7 | sc-3505 sc-3505A sc-3505B | 1 mg 5 mg 20 mg | $67.00 $223.00 $425.00 | 97 | |
Wortmannin is a potent inhibitor of PI3K, a key enzyme in both the AKT/mTOR pathway and in autophagy. Inhibition of these pathways can indirectly reduce Optineurin's activity. | ||||||
Rapamycin | 53123-88-9 | sc-3504 sc-3504A sc-3504B | 1 mg 5 mg 25 mg | $63.00 $158.00 $326.00 | 233 | |
Rapamycin is an inhibitor of mTOR, a key regulator in autophagy. Inhibition of mTOR can increase autophagy, decreasing Optineurin's activity since it's sequestered for autophagosome formation. | ||||||
LY 294002 | 154447-36-6 | sc-201426 sc-201426A | 5 mg 25 mg | $123.00 $400.00 | 148 | |
LY294002 is a PI3K inhibitor which can inhibit AKT/mTOR signaling. As AKT/mTOR pathway is involved in autophagy regulation, its inhibition can indirectly modulate Optineurin's function in autophagy. | ||||||
PD 98059 | 167869-21-8 | sc-3532 sc-3532A | 1 mg 5 mg | $40.00 $92.00 | 212 | |
PD98059 is a specific inhibitor of MEK, an upstream regulator of ERK. By inhibiting MEK-ERK pathway, it can indirectly affect the phosphorylation and activation of Optineurin. | ||||||
SP600125 | 129-56-6 | sc-200635 sc-200635A | 10 mg 50 mg | $40.00 $150.00 | 257 | |
SP600125 is a JNK inhibitor. As JNK is involved in stress-induced autophagy, its inhibition can indirectly modulate Optineurin's function in autophagy. | ||||||
SB 203580 | 152121-47-6 | sc-3533 sc-3533A | 1 mg 5 mg | $90.00 $349.00 | 284 | |
SB203580 is a specific inhibitor of p38 MAPK. As p38 MAPK is involved in cellular stress responses, its inhibition can indirectly modulate Optineurin's function in autophagy. | ||||||