Date published: 2026-3-17

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FBL8 Activators

FBL8 activators encompass a diverse array of compounds that facilitate the modulation of this protein's role in cellular signaling and protein ubiquitination pathways. Forskolin, for instance, augments the functional activity of FBL8 by activating adenylyl cyclase, which in turn increases intracellular cAMP levels - a critical component of the cAMP-dependent signaling pathways in which FBL8 is implicated. The resultant rise in cAMP enhances FBL8's interaction with target proteins, thereby promoting its functional role. Similarly, Phorbol 12-myristate 13-acetate (PMA) activates protein kinase C (PKC), which phosphorylates substrates that interact with FBL8, thereby enhancing its involvement in protein ubiquitination within the cell. Arachidonic Acid serves as a precursor to eicosanoids that initiate signaling cascades culminating in the activation of kinases that upregulate FBL8, enhancing its role in the degradation of target proteins. Furthermore, Sphingosine-1-phosphate (S1P) activates G-protein-coupled receptors to engage signaling pathways involving FBL8, potentially increasing its efficiency in mediating protein ubiquitination as part of cellular signal transduction.

Additionally, FBL8's activity is also bolstered by molecules like Epigallocatechin gallate (EGCG), which inhibits kinases that otherwise compete with FBL8's ubiquitination pathways, thus supporting its function. Lithium Chloride, by influencing the Wnt signaling pathway, indirectly enhances FBL8's role in the ubiquitination and degradation of proteins. SB203580 and U0126, inhibitors of p38 MAPK and MEK respectively, modify the phosphorylation status of FBL8's potential substrates, facilitating their ubiquitination by FBL8. PI3K inhibitors such as LY294002 and Wortmannin diminish the phosphorylation of downstream targets, allowing FBL8 to more effectively ubiquitinate these proteins. Rapamycin, by inhibiting mTOR, leads to the reduction in phosphorylation of proteins that may serve as substrates for FBL8, thus supporting FBL8's activity in protein ubiquitination.

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 activates adenylyl cyclase, increasing intracellular cAMP levels. FBL8 is implicated in cAMP-dependent signal pathways, and the rise in cAMP can enhance FBL8 activity by promoting its interaction with target proteins involved in this signaling cascade.

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 activates protein kinase C (PKC), which then can phosphorylate substrates that interact with FBL8. This phosphorylation can enhance FBL8’s role in protein ubiquitination processes within the cell.

Arachidonic Acid (20:4, n-6)

506-32-1sc-200770
sc-200770A
sc-200770B
100 mg
1 g
25 g
$92.00
$240.00
$4328.00
9
(1)

As a precursor for eicosanoids, Arachidonic Acid can initiate signaling pathways that involve protein kinase activation. FBL8, associated with protein degradation processes, can be upregulated as a result of these signals, enhancing its functional activity.

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 engages with G-protein-coupled receptors to activate signaling pathways that involve FBL8. This lipid signaling molecule can enhance the function of FBL8 in mediating the ubiquitination of proteins as part of signal transduction.

(−)-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 inhibits several kinases, potentially leading to altered ubiquitination pathways where FBL8 is active. By inhibiting competitive signaling, EGCG enhances the functional activity of FBL8 in its specific pathway.

Lithium

7439-93-2sc-252954
50 g
$214.00
(0)

Lithium influences the Wnt signaling pathway, which can impact protein degradation systems involving FBL8. By altering this pathway, Lithium can enhance FBL8's role in the ubiquitination and degradation of proteins.

SB 203580

152121-47-6sc-3533
sc-3533A
1 mg
5 mg
$90.00
$349.00
284
(5)

SB203580 is a p38 MAPK inhibitor, this reduces the competitive phosphorylation of proteins that may be substrates for FBL8, enhancing FBL8's activity in protein ubiquitination.

LY 294002

154447-36-6sc-201426
sc-201426A
5 mg
25 mg
$123.00
$400.00
148
(1)

LY294002 is a PI3K inhibitor, reducing the phosphorylation of downstream targets. Reduced activity in this pathway can enhance FBL8's role in the ubiquitination of these targets.

Wortmannin

19545-26-7sc-3505
sc-3505A
sc-3505B
1 mg
5 mg
20 mg
$67.00
$223.00
$425.00
97
(3)

Wortmannin is another PI3K inhibitor, similarly to LY294002, it can lead to reduced phosphorylation of proteins within the PI3K pathway and enhance the functional activity of FBL8 in targeting these proteins for ubiquitination.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

Rapamycin inhibits mTOR, which can lead to a reduction in the phosphorylation of proteins that are potential substrates for FBL8, thereby enhancing the role of FBL8 in their ubiquitination.