DUSP20 Inhibitors
Chemical inhibitors of Dual Specificity Phosphatase 20 (DUSP20) can modulate its activity indirectly through the inhibition of several protein phosphatases that DUSP20 may compete with or rely upon for substrate specificity. Okadaic Acid, Cantharidin, Calyculin A, Endothall, Fostriecin, Microcystin-LR, Tautomycin, Rubratoxin B, and Nodularin-R all share a common mechanism of action; they inhibit protein phosphatases PP1 and/or PP2A, leading to an increase in phosphorylated proteins within the cell. This rise in the phosphorylation state can overwhelm the dephosphorylation process that DUSP20 is designed to execute. By maintaining the phosphorylation of proteins, these inhibitors can create a competitive environment for DUSP20, as the abundance of phosphorylated substrates may exceed the capacity of DUSP20 to effectively dephosphorylate them, thereby indirectly inhibiting the activity of DUSP20.
Additionally, Phenylarsine Oxide's inhibition of protein tyrosine phosphatases can affect the overall phosphatase activity within a cell. Although it does not target DUSP20 directly, the alteration in phosphatase activity can lead to a change in the cell's signaling dynamics, which can affect the function of DUSP20. Each of these chemicals can alter the phosphorylation equilibrium in the cellular environment, which is a critical factor in the regulation of DUSP20 activity. In doing so, they can affect the ability of DUSP20 to access its substrates and perform its regulatory function on phosphorylation signaling pathways.
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Okadaic Acid | 78111-17-8 | sc-3513 sc-3513A sc-3513B | 25 µg 100 µg 1 mg | $291.00 $530.00 $1800.00 | 78 | |
Okadaic Acid is a potent inhibitor of protein phosphatases PP1 and PP2A, which are essential for several cellular processes, including those that could maintain the activity of DUSP20. By inhibiting PP1 and PP2A, Okadaic Acid can cause an increase in phosphorylated proteins, potentially counteracting the dephosphorylation activity of DUSP20. | ||||||
Cantharidin | 56-25-7 | sc-201321 sc-201321A | 25 mg 100 mg | $89.00 $279.00 | 6 | |
Cantharidin is another inhibitor of protein phosphatases like PP1 and PP2A. By inhibiting these phosphatases, Cantharidin could lead to an accumulation of phosphorylated substrates within the cell, which may indirectly inhibit DUSP20 activity by overwhelming its dephosphorylation capacity or altering its substrate availability. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A | 10 µg 100 µg | $163.00 $800.00 | 59 | |
Calyculin A, similar to Okadaic Acid and Cantharidin, is an inhibitor of protein phosphatases including PP1 and PP2A. It acts to preserve the phosphorylation state of proteins, which could compete with DUSP20 function, effectively inhibiting its role in dephosphorylating target substrates within cellular signaling pathways. | ||||||
Endothall | 145-73-3 | sc-201325 sc-201325A | 20 mg 100 mg | $49.00 $203.00 | 1 | |
Endothall is an organochlorine compound that inhibits PP2A, consequently leading to increased phosphorylation levels within the cell. This inhibition can indirectly suppress DUSP20 activity by reducing its ability to access and dephosphorylate its target proteins, given that the phosphatase activity of DUSP20 would be less effective in the presence of hyperphosphorylated proteins. | ||||||
Fostriecin | 87860-39-7 | sc-202160 | 50 µg | $265.00 | 9 | |
Fostriecin selectively inhibits PP2A and PP4, which are closely related to PP1, the latter being a significant regulator of protein phosphorylation. By inhibiting these phosphatases, Fostriecin could indirectly inhibit DUSP20 by maintaining high levels of phosphorylated substrates, which could alter the balance of phosphorylation within the cell, thereby affecting DUSP20's role. | ||||||
Phenylarsine oxide | 637-03-6 | sc-3521 | 250 mg | $41.00 | 4 | |
Phenylarsine Oxide is a trivalent arsenical that has been shown to inhibit protein tyrosine phosphatases. As DUSP20 is a phosphatase that acts on proteins, the inhibition of related phosphatases can indirectly inhibit DUSP20 by altering the phosphatase activity within the cell, potentially resulting in altered signaling pathways and reduced dephosphorylation activity of DUSP20. | ||||||