Date published: 2026-6-7

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FAT4 Activators

FAT4 Activators are a diverse set of chemical compounds that enhance the functional activity of FAT4 through a variety of signaling pathways and cellular processes. Forskolin, Sphingosine-1-phosphate, and the cell-permeable cAMP analog 8-Bromo-cAMP elevate second messenger levels within the cell, leading to the activation of kinases such as PKA and PKC, which are known to regulate processes such as cell adhesion and polarity, wherein FAT4 is a critical player. Similarly, calcium ionophores like Ionomycin and A23187 raise intracellular calcium, a key regulator of many signaling pathways, thereby indirectly enhancing FAT4's role in cell morphology and adhesion. These compounds, through their specific actions, potentiate FAT4's involvement in maintaining and modifying cell structure and interactions with theextracellular matrix.

Compounds such as LY294002, U0126, SB203580, and Epigallocatechin gallate (EGCG) interact with key enzymes in signaling pathways that indirectly enhance FAT4's cellular functions. SB203580 selectively inhibits MEK and p38 MAPK, respectively, which can lead to an upregulation of FAT4's activity, as these enzymes are involved in pathways that overlap with those regulated by FAT4. EGCG and Genistein, through their inhibition of multiple kinases and tyrosine kinases, may relieve negative regulation on FAT4, thus promoting its role in cell-cell adhesion and communication. The collective action of these activators through modulation of signaling cascades provides a multi-faceted approach to enhancing the function of FAT4, without directly increasing its expression or altering its intrinsic 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 activates adenylyl cyclase, increasing intracellular cAMP levels. Elevated cAMP activates PKA, which can phosphorylate and enhance the functional activity of FAT4 by promoting its localization to cell junctions, where it can influence cell polarity and adhesion.

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, activating calcium-dependent signaling pathways. This activation can enhance FAT4 function, as FAT4 is involved in calcium-dependent cell adhesion and morphogenesis processes.

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 can phosphorylate substrates affecting FAT4 activity. PKC has been implicated in the regulation of cell adhesion and morphology, processes in which FAT4 plays a critical role.

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)

D-erythro-Sphingosine-1-phosphate binds to its receptors, initiating signaling cascades that influence cytoskeletal arrangement and cell adhesion, thereby potentially enhancing the FAT4-mediated signaling involved in these processes.

SB 203580

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

SB 203580 is a p38 MAPK inhibitor that can modulate cellular stress responses. Inhibition of p38 potentially enhances FAT4 signaling pathways involved in the regulation of cell shape and adhesion.

Thapsigargin

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

Thapsigargin disrupts calcium homeostasis by inhibiting the sarcoplasmic/endoplasmic reticulum Ca2+ ATPase (SERCA). The resultant increase in cytosolic calcium levels can enhance FAT4 signaling pathways related to cell-cell adhesion and morphology.

(−)-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 kinase inhibitor with a broad range of targets. By inhibiting certain kinases, EGCG may reduce competitive signaling and enhance FAT4's role in cell polarity and adhesion signaling pathways.

Genistein

446-72-0sc-3515
sc-3515A
sc-3515B
sc-3515C
sc-3515D
sc-3515E
sc-3515F
100 mg
500 mg
1 g
5 g
10 g
25 g
100 g
$45.00
$164.00
$200.00
$402.00
$575.00
$981.00
$2031.00
46
(1)

Genistein is a tyrosine kinase inhibitor that by inhibiting competitive tyrosine kinase signaling can lead to the enhancement of FAT4 function in cell adhesion and polarity.

8-Bromoadenosine 3′,5′-cyclic monophosphate

23583-48-4sc-217493B
sc-217493
sc-217493A
sc-217493C
sc-217493D
25 mg
50 mg
100 mg
250 mg
500 mg
$108.00
$169.00
$295.00
$561.00
$835.00
2
(1)

8-Bromoadenosine 3',5'-cyclic monophosphate (8-Bromo-cAMP) is a cell-permeable cAMP analog that activates PKA. Activation of PKA can enhance FAT4's role in the regulation of cell polarity and adhesion by affecting substrates involved in these processes.

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 a calcium ionophore, similar to Ionomycin, and can enhance intracellular calcium levels, thus potentially enhancing FAT4 activity in calcium-dependent pathways involved in cell morphogenesis and adhesion.