Date published: 2026-3-3

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FAM188B Activators

FAM188B Activators encompass a diverse array of chemical compounds that indirectly enhance the functional activity of FAM188B through various signaling pathways. Forskolin, for instance, elevates intracellular cAMP levels, which in turn activates PKA; this leads to the phosphorylation of substrates that potentially interact with FAM188B, thereby enhancing its activity. Similarly, Ionomycin, by increasing intracellular calcium levels, activates calmodulin-dependent kinases that could also phosphorylate substrates involved in FAM188B functions. The use of PMA, a PKC activator, and Epigallocatechin gallate (EGCG) further exemplifies how modulation of kinase activity can lead to an increase in FAM188B activity, with PMA directly activating PKC which might phosphorylate substrates of FAM188B, while EGCG can influence kinase pathways upstream of FAM188B. LY294002, a PI3K inhibitor, and SB203580, a p38 MAPK inhibitor, as well as U0126, a MEK1/2 inhibitor, represent another strategy by altering phosphorylation states and signaling pathway dynamics that could potentially relieve inhibitory controls or redirect signaling flux to enhance FAM188B activity.

Moreover, Okadaic Acid, by inhibiting protein phosphatases, could increase the phosphorylation state of proteins in the cell, potentially facilitating the enhancement of FAM188B activity. A23187, known as Calcimycin, and Spermine both affect intracellular calcium levels, with A23187 acting as a calcium ionophore and Spermine modulating ion channels, which may activate signaling cascades that promote FAM188B activity. Dibutyryl-cyclic AMP (db-cAMP) serves as a cAMP analog that directly activates PKA, which is known to phosphorylate various proteins and could thereby enhance FAM188B function. Lastly, Staurosporine, despite its general kinase inhibitory effects, might paradoxically activate specific pathways that favor FAM188B activation by inhibiting kinases that exert negative control on these pathways. Collectively, these activators work through distinct biochemical mechanisms to indirectly influence and enhance the functional activity of FAM188B without directly altering its expression levels.

SEE ALSO...

Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Ionomycin

56092-82-1sc-3592
sc-3592A
1 mg
5 mg
$78.00
$270.00
80
(4)

Ionomycin is a calcium ionophore that increases intracellular calcium levels. The elevation of calcium activates calmodulin-dependent kinases, which can influence the phosphorylation states of proteins, potentially leading to the enhancement of FAM188B activity through calcium-dependent signaling pathways.

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 potent activator of protein kinase C (PKC). Activated PKC can phosphorylate various substrates that might be involved in FAM188B's function or localization, thereby enhancing its activity.

(−)-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 a polyphenol that can modulate kinase activity. While its primary action is inhibitory, it might selectively enhance FAM188B activity by reducing competitive signaling or by influencing pathways that work upstream of the protein's functional context.

LY 294002

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

LY294002 is a phosphoinositide 3-kinase (PI3K) inhibitor. By inhibiting PI3K, it may alter the phosphorylation state of downstream proteins, potentially leading to the activation of alternative pathways or the release of inhibition on proteins, such as FAM188B, involved in related processes.

SB 203580

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

SB203580 is a specific inhibitor of p38 MAP kinase. By dampening the p38 MAPK pathway, it may shift the balance of cellular signaling in favor of alternative pathways that could activate FAM188B or enhance its functional activity.

U-0126

109511-58-2sc-222395
sc-222395A
1 mg
5 mg
$64.00
$246.00
136
(2)

U0126 is an inhibitor of MEK1/2, proteins in the MAPK pathway. By inhibiting MEK1/2, U0126 may indirectly enhance the activity of FAM188B by reducing negative feedback or altering the signaling network in which FAM188B is involved.

Okadaic Acid

78111-17-8sc-3513
sc-3513A
sc-3513B
25 µg
100 µg
1 mg
$291.00
$530.00
$1800.00
78
(4)

Okadaic Acid is a potent inhibitor of protein phosphatases 1 and 2A. Inhibition of these phosphatases can increase the phosphorylation state of proteins within the cell, possibly resulting in enhanced functional activity of FAM188B through increased phosphorylation.

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)

A23187 is an ionophore that increases intracellular calcium concentrations. The increase in calcium can activate signaling cascades that may favor the activation or enhancement of FAM188B's activity.

Spermine

71-44-3sc-212953A
sc-212953
sc-212953B
sc-212953C
1 g
5 g
25 g
100 g
$61.00
$196.00
$277.00
$901.00
1
(0)

Spermine is a polyamine that can modulate ion channels and may influence cellular signaling by altering the ionic balance across membranes. These changes can indirectly lead to the activation of signaling pathways in which FAM188B participates, enhancing its activity.

Dibutyryl-cAMP

16980-89-5sc-201567
sc-201567A
sc-201567B
sc-201567C
20 mg
100 mg
500 mg
10 g
$47.00
$136.00
$492.00
$4552.00
74
(7)

db-cAMP is a cell-permeable cAMP analog that directly activates PKA. Activation of PKA can lead to phosphorylation events that may enhance the activity of FAM188B via cAMP-dependent pathways.