Cofilin 1 Activators
Cofilin 1 activators represent a diverse group of chemical compounds that modulate the activity of Cofilin 1, a key regulator of actin dynamics in cellular processes. These compounds exert their effects through various mechanisms, either directly by influencing Cofilin 1 phosphorylation or indirectly by altering the cellular environment that regulates Cofilin 1 activity. One subset of activators, including Lithium Chloride and Calyculin A, directly target Cofilin 1 phosphorylation. Lithium Chloride inhibits GSK-3β, a kinase that phosphorylates and inactivates Cofilin 1, thereby promoting its activation. Calyculin A, on the other hand, acts as a phosphatase inhibitor, disrupting the dephosphorylation of Cofilin 1 and maintaining its active state. These compounds specifically modulate the phosphorylation status of Cofilin 1, highlighting the intricate regulation of this protein.
Indirect activators, such as Jasplakinolide, impact Cofilin 1 by influencing upstream signaling pathways. Y27632 inhibits ROCK, indirectly activating Cofilin 1 by disrupting the ROCK/Cofilin 1 axis. Jasplakinolide, by stabilizing F-actin filaments, indirectly enhances Cofilin 1 activity through alterations in actin dynamics. This class of compounds illustrates the interconnected nature of cellular processes and the multifaceted regulation of Cofilin 1. Other activators, like CK-666 and Blebbistatin, affect actin filament organization and myosin II-dependent contractility, indirectly supporting Cofilin 1 activation. These compounds highlight the intricate crosstalk between Cofilin 1 and the cytoskeleton, emphasizing the dynamic nature of cellular architecture. In summary, the chemical class of Cofilin 1 activators comprises compounds that either directly modulate Cofilin 1 phosphorylation or indirectly impact upstream signaling pathways and cytoskeletal dynamics. Understanding the diverse mechanisms of action within this class provides valuable insights into the regulation of Cofilin 1 and its pivotal role in cellular processes involving actin dynamics.
SEE ALSO...
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Lithium | 7439-93-2 | sc-252954 | 50 g | $214.00 | ||
Lithium chloride has been shown to activate Cofilin 1 through the inhibition of GSK-3β. GSK-3β negatively regulates Cofilin 1 by phosphorylating it at serine 3. Lithium chloride inhibits GSK-3β, leading to reduced phosphorylation of Cofilin 1 and subsequent activation. This compound influences the GSK-3β/Cofilin 1 pathway, promoting actin depolymerization and cytoskeletal rearrangement. | ||||||
Jasplakinolide | 102396-24-7 | sc-202191 sc-202191A | 50 µg 100 µg | $184.00 $305.00 | 59 | |
Jasplakinolide, a cyclic peptide, indirectly activates Cofilin 1 by stabilizing F-actin filaments. It enhances actin polymerization, resulting in increased stress fiber formation. Cofilin 1 preferentially binds to ADP-actin monomers, and the stabilized F-actin filaments provide more binding sites for Cofilin 1. | ||||||
(±)-Blebbistatin | 674289-55-5 | sc-203532B sc-203532 sc-203532A sc-203532C sc-203532D | 5 mg 10 mg 25 mg 50 mg 100 mg | $183.00 $313.00 $464.00 $942.00 $1723.00 | 7 | |
Blebbistatin, an inhibitor of myosin II ATPase activity, indirectly activates Cofilin 1 by affecting actomyosin contractility. Myosin II and Cofilin 1 are interconnected in the regulation of actin dynamics. Inhibition of myosin II by blebbistatin reduces actin stress fibers, promoting the release of Cofilin 1 from its sequestered state. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A | 10 µg 100 µg | $163.00 $800.00 | 59 | |
Calyculin A, a potent protein phosphatase inhibitor, directly activates Cofilin 1 by preventing its dephosphorylation. Protein phosphatases, including PP1 and PP2A, dephosphorylate Cofilin 1 at serine 3, inactivating its actin-severing activity. Calyculin A inhibits these phosphatases, maintaining Cofilin 1 in its active, phosphorylated state. | ||||||
CK-869 | 388592-44-7 | sc-507274 | 5 mg | $163.00 | ||
CK-869, a selective inhibitor of the actin-severing protein cofilin, indirectly activates Cofilin 1. By inhibiting cofilin activity, CK-869 prevents the severing of actin filaments, leading to an accumulation of longer filaments. This indirectly supports Cofilin 1 activation by creating a favorable environment for its interaction with actin filaments. | ||||||
SMIFH2 | 340316-62-3 | sc-507273 | 5 mg | $140.00 | ||
SMIFH2, a formin inhibitor, indirectly activates Cofilin 1 by influencing actin polymerization. Formins regulate actin nucleation and polymerization, and inhibition of formins by SMIFH2 alters the dynamics of actin filaments. This indirectly supports Cofilin 1 activation by modulating the availability of actin filaments for severing. SMIFH2 affects the formin-mediated actin polymerization, contributing to changes in actin dynamics and promoting Cofilin 1 activity. | ||||||
Latrunculin A, Latrunculia magnifica | 76343-93-6 | sc-202691 sc-202691B | 100 µg 500 µg | $265.00 $815.00 | 36 | |
Latrunculin A, a toxin found in marine sponges, indirectly activates Cofilin 1 by disrupting actin dynamics. It sequesters monomeric actin, preventing its polymerization into filaments. This indirectly supports Cofilin 1 activation by increasing the pool of available actin monomers for severing. | ||||||
Chelerythrine chloride | 3895-92-9 | sc-3547 sc-3547A | 5 mg 25 mg | $90.00 $317.00 | 17 | |
Chelerythrine, a selective protein kinase C (PKC) inhibitor, indirectly activates Cofilin 1 by influencing its phosphorylation status. PKC phosphorylates and inactivates Cofilin 1, and inhibition of PKC by chelerythrine prevents this phosphorylation, maintaining Cofilin 1 in its active form. | ||||||