Date published: 2026-2-14

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ZO-2 Activators

ZO-2 (Zonula Occludens-2) activators encompass a diverse range of chemical compounds that indirectly influence the expression, localization, and function of ZO-2, a critical component of tight junctions in epithelial and endothelial cells. These activators operate through various mechanisms, modulating signaling pathways and cellular processes that affect tight junction assembly and integrity. For example, TGF-β1, through its role in epithelial-mesenchymal transition (EMT), can upregulate ZO-2 expression, contributing to changes in cellular architecture and function. Similarly, Retinoic Acid, by enhancing cellular differentiation and barrier functions, indirectly influences ZO-2's role in maintaining tight junction integrity.

The chemical class of ZO-2 activators is characterized by their ability to interact with multiple signaling pathways, demonstrating the interconnected nature of cellular signaling networks. Compounds like Forskolin and Y-27632 exemplify this by modulating cAMP levels and ROCK activity, respectively, thereby affecting ZO-2 indirectly. Forskolin elevates intracellular cAMP, a secondary messenger that plays a pivotal role in regulating tight junction assembly, which in turn can modulate ZO-2 expression and localization. On the other hand, Y-27632, as a ROCK inhibitor, alters cytoskeletal dynamics, which are crucial for the structural organization of tight junctions and the proper localization of ZO-2. This broad range of activators highlights the complex regulatory mechanisms governing ZO-2's function in cellular junctions and underscores the importance of a multifaceted approach in studying and modulating ZO-2 activity.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$66.00
$325.00
$587.00
$1018.00
28
(1)

Retinoic Acid influences ZO-2 by modulating cellular differentiation and enhancing barrier function in epithelial tissues.

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 enhances intracellular cAMP levels, indirectly influencing ZO-2 expression and tight junction integrity.

Y-27632, free base

146986-50-7sc-3536
sc-3536A
5 mg
50 mg
$186.00
$707.00
88
(1)

Y-27632, a ROCK inhibitor, can indirectly affect ZO-2 by altering cytoskeletal dynamics and tight junction assembly.

Dexamethasone

50-02-2sc-29059
sc-29059B
sc-29059A
100 mg
1 g
5 g
$91.00
$139.00
$374.00
36
(1)

Dexamethasone, a glucocorticoid, can modulate ZO-2 expression by influencing inflammation and immune responses.

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, which can indirectly influence ZO-2 localization and function in tight junctions.

LY 294002

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

LY294002, a PI3K inhibitor, can have an indirect effect on ZO-2 through the PI3K/Akt pathway, affecting cell survival and junction stability.

Rapamycin

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

Rapamycin, an mTOR inhibitor, indirectly influences ZO-2 by modulating cell growth and protein synthesis pathways.

Sodium Butyrate

156-54-7sc-202341
sc-202341B
sc-202341A
sc-202341C
250 mg
5 g
25 g
500 g
$31.00
$47.00
$84.00
$222.00
19
(3)

Sodium Butyrate influences ZO-2 expression through histone deacetylase inhibition, affecting gene expression and cellular differentiation.