Date published: 2026-4-24

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WDR78 Activators

The chemical class of WDR78 Activators encompasses various compounds that have the capacity to enhance the functional activity of the protein WDR78 through distinct mechanisms, primarily involving the modulation of phosphorylation states and calcium signaling pathways. Forskolin, for instance, directly activates adenylate cyclase, increasing intracellular cAMP levels, which can lead to the activation of protein kinase A (PKA). PKA is known to phosphorylate a broad range of proteins, which could include WDR78, therefore enhancing its function. Similarly, IBMX, by inhibiting phosphodiesterases, raises cAMP and cGMP levels, which may activate PKA or PKG, leading to phosphorylation of WDR78. Phosphorylation is a common post-translational modification that often regulates protein activity, localization, and interaction with other cellular components.

Furthermore, lipid-derived molecules such as PIP2 play a role in membrane-associated signaling, which could influence the activity of WDR78. Phenylarsine oxide acts as an inhibitor of tyrosine phosphatases, increasing the phosphorylation state of WDR78. Other compounds, such as Okadaic Acid and Calyculin A, inhibit protein phosphatases PP1 and PP2A, preventing the dephosphorylation of WDR78 and thereby maintaining its active state. Thapsigargin and Ionophore A23187 disrupt calcium homeostasis, a signal that can be transduced into kinase-mediated phosphorylation events affecting WDR78. Phorbol 12-myristate 13-acetate (PMA) activates protein kinase C (PKC), which could lead to phosphorylation-based activation of WDR78. Epigallocatechin gallate (EGCG) modulates kinase and phosphatase activities, which may alter the phosphorylation landscape to WDR78's benefit. Sphingosine-1-phosphate (S1P) and Cyclic ADP ribose (cADPR) engage with G-protein-coupled receptors and ryanodine receptors, respectively, leading to kinase activation and calcium release, both pathways that can culminate in the enhancement of WDR78's functional activity.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$78.00
$153.00
$740.00
$1413.00
$2091.00
73
(3)

Forskolin directly stimulates adenylate cyclase, increasing intracellular cAMP levels. Elevated cAMP may enhance protein kinase A (PKA) activity, which can phosphorylate a range of cellular proteins, potentially including WDR78, thereby enhancing its functional activity.

IBMX

28822-58-4sc-201188
sc-201188B
sc-201188A
200 mg
500 mg
1 g
$260.00
$350.00
$500.00
34
(1)

IBMX is a non-specific inhibitor of phosphodiesterases, leading to an increase in intracellular cAMP and cGMP by preventing their degradation. The increase in these cyclic nucleotides could enhance PKA or PKG activity, which may then lead to the phosphorylation and activation of WDR78.

Phenylarsine oxide

637-03-6sc-3521
250 mg
$41.00
4
(1)

PAO is an inhibitor of tyrosine phosphatases, which can lead to increased phosphorylation levels of proteins. By inhibiting dephosphorylation, PAO may indirectly enhance the phosphorylation state and thus the activity of WDR78, assuming that phosphorylation is a mechanism for its activation.

Calyculin A

101932-71-2sc-24000
sc-24000A
10 µg
100 µg
$163.00
$800.00
59
(3)

Calyculin A is another inhibitor of PP1 and PP2A. Like Okadaic Acid, it can cause an increase in the phosphorylation state of cellular proteins, possibly including WDR78, and thereby enhance its activity if WDR78 function is modulated through phosphorylation.

Thapsigargin

67526-95-8sc-24017
sc-24017A
1 mg
5 mg
$136.00
$446.00
114
(2)

Thapsigargin is an inhibitor of the sarcoplasmic/endoplasmic reticulum Ca2+ ATPase (SERCA), leading to an increase in cytosolic calcium levels. Elevated intracellular calcium can activate calcium-dependent kinases, which might result in the phosphorylation and activation of WDR78.

A23187

52665-69-7sc-3591
sc-3591B
sc-3591A
sc-3591C
1 mg
5 mg
10 mg
25 mg
$55.00
$131.00
$203.00
$317.00
23
(1)

Ionophore A23187 is a mobile ion carrier that can increase intracellular calcium concentration. By enhancing calcium influx, it might activate calcium-dependent signaling pathways that could phosphorylate and activate WDR78.

PMA

16561-29-8sc-3576
sc-3576A
sc-3576B
sc-3576C
sc-3576D
1 mg
5 mg
10 mg
25 mg
100 mg
$41.00
$132.00
$214.00
$500.00
$948.00
119
(6)

PMA is a diacylglycerol analog that activates protein kinase C (PKC). PKC activation can lead to the phosphorylation of various proteins and could indirectly enhance the functional activity of WDR78, assuming that WDR78 is a substrate for PKC or is regulated in a PKC-dependent pathway.

(−)-Epigallocatechin Gallate

989-51-5sc-200802
sc-200802A
sc-200802B
sc-200802C
sc-200802D
sc-200802E
10 mg
50 mg
100 mg
500 mg
1 g
10 g
$43.00
$73.00
$126.00
$243.00
$530.00
$1259.00
11
(1)

EGCG is known to modulate various signaling pathways and could influence the activity of kinases and phosphatases. By altering these enzymes' activity, EGCG may indirectly influence the phosphorylation state and thus the functional activity of WDR78.

D-erythro-Sphingosine-1-phosphate

26993-30-6sc-201383
sc-201383D
sc-201383A
sc-201383B
sc-201383C
1 mg
2 mg
5 mg
10 mg
25 mg
$165.00
$322.00
$570.00
$907.00
$1727.00
7
(1)

S1P is a bioactive lipid that acts as a ligand for S1P receptors, leading to activation of G-protein-coupled receptor (GPCR)-mediated signaling pathways. This activation can lead to downstream kinase activation, which could in turn enhance the phosphorylation and activity of WDR78.