spectrin α Inhibitors
Chemical inhibitors of spectrin α target the cytoskeletal network, particularly focusing on the interaction between spectrin α and actin filaments. Phalloidin binds to F-actin, thereby stabilizing the filaments and preventing their depolymerization. This action can inhibit spectrin α, which requires a dynamic actin filament network for its role in maintaining cellular integrity. Similarly, cytochalasin D and latrunculin A disrupt actin polymerization through different mechanisms; cytochalasin D caps the growing ends of actin filaments, while latrunculin A sequesters actin monomers. Both result in the breakdown of the actin cytoskeleton, which can inhibit the function of spectrin α. Swinholide A takes a different approach by severing actin filaments and capping their ends, leading to a compromised cytoskeletal structure that can inhibit spectrin α. Jasplakinolide and chondramide, on the other hand, stabilize actin filaments, which can also affect spectrin α by altering the dynamics necessary for its proper function.
Tropomyosin inhibits spectrin α by binding to actin filaments, thereby potentially restricting the access of spectrin α to the actin and disrupting the spectrin-actin network. The role of spectrin α is also influenced by the dynamics of microtubules. Chemicals like vinblastine, colchicine, and nocodazole disrupt microtubule polymerization; vinblastine and nocodazole by binding to tubulin and colchicine by inhibiting its assembly into microtubules. This disruption can indirectly inhibit spectrin α by affecting the cellular architecture that spectrin α helps stabilize. Conversely, paclitaxel and taxol stabilize microtubules, which, while distinct from actin dynamics, can still result in the inhibition of spectrin α by altering the cytoskeletal equilibrium and affecting spectrin's interactions with the actin cytoskeleton. These chemical inhibitors collectively demonstrate various mechanisms by which the function of spectrin α can be modulated through the manipulation of cytoskeletal dynamics.
SEE ALSO...
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Phalloidin | 17466-45-4 | sc-202763 | 1 mg | $234.00 | 33 | |
Phalloidin binds to F-actin, stabilizing it and preventing its depolymerization, which can lead to the inhibition of spectrin α since spectrin α's structural maintenance role in the cytoskeleton is dependent on the dynamic state of actin filaments. | ||||||
Cytochalasin D | 22144-77-0 | sc-201442 sc-201442A | 1 mg 5 mg | $165.00 $486.00 | 64 | |
Cytochalasin D disrupts actin polymerization by capping the fast-growing end of actin filaments, which can inhibit spectrin α by altering the actin cytoskeleton and its associated proteins' functions, including spectrin's membrane-cytoskeleton anchoring role. | ||||||
Latrunculin A, Latrunculia magnifica | 76343-93-6 | sc-202691 sc-202691B | 100 µg 500 µg | $265.00 $815.00 | 36 | |
Latrunculin A binds to actin monomers, preventing their polymerization. This leads to a breakdown of the actin cytoskeleton structure, potentially inhibiting spectrin α's ability to stabilize cell membrane integrity through its actin-binding activity. | ||||||
Swinholide A, Theonella swinhoei | 95927-67-6 | sc-205914 | 10 µg | $135.00 | ||
Swinholide A severs actin filaments and caps their ends, which can inhibit spectrin α by disrupting the structural integrity of the actin cytoskeleton and thereby affecting spectrin's functional role as a cytoskeletal stabilizer. | ||||||
Jasplakinolide | 102396-24-7 | sc-202191 sc-202191A | 50 µg 100 µg | $184.00 $305.00 | 59 | |
Jasplakinolide stabilizes actin filaments and promotes their polymerization, which can indirectly inhibit spectrin α by altering the dynamics of the cytoskeleton, thereby affecting spectrin's interactions with actin. | ||||||
Vinblastine | 865-21-4 | sc-491749 sc-491749A sc-491749B sc-491749C sc-491749D | 10 mg 50 mg 100 mg 500 mg 1 g | $102.00 $235.00 $459.00 $1749.00 $2958.00 | 4 | |
Vinblastine binds to tubulin and inhibits its polymerization, which can lead to inhibition of spectrin α indirectly by disrupting microtubule dynamics and affecting the mechanical properties of cells, where spectrin also plays a role. | ||||||
Colchicine | 64-86-8 | sc-203005 sc-203005A sc-203005B sc-203005C sc-203005D sc-203005E | 1 g 5 g 50 g 100 g 500 g 1 kg | $100.00 $321.00 $2289.00 $4484.00 $18207.00 $34749.00 | 3 | |
Colchicine binds to tubulin, inhibiting microtubule polymerization. This can inhibit spectrin α as it might disrupt the interactions between spectrin and other cytoskeletal components that are necessary for membrane stability and cellular integrity. | ||||||
Nocodazole | 31430-18-9 | sc-3518B sc-3518 sc-3518C sc-3518A | 5 mg 10 mg 25 mg 50 mg | $59.00 $85.00 $143.00 $247.00 | 38 | |
Nocodazole disrupts microtubule networks by binding to β-tubulin and inhibiting its polymerization, which can inhibit spectrin α indirectly by altering the cellular architecture and affecting the spectrin-dependent stabilization of the plasma membrane. | ||||||
Taxol | 33069-62-4 | sc-201439D sc-201439 sc-201439A sc-201439E sc-201439B sc-201439C | 1 mg 5 mg 25 mg 100 mg 250 mg 1 g | $41.00 $74.00 $221.00 $247.00 $738.00 $1220.00 | 39 | |
Paclitaxel stabilizes microtubules, which can inhibit spectrin α indirectly by altering the balance of cytoskeletal forces and potentially affecting the interaction between spectrin and the actin cytoskeleton. | ||||||