Date published: 2026-3-9

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SARA Inhibitors

SARA inhibitors, short for Smad Anchor for Receptor Activation inhibitors, are a class of chemical compounds that play a crucial role in the regulation of cellular signaling pathways, particularly in the context of the transforming growth factor-beta (TGF-β) signaling pathway. This class of compounds targets a specific protein called Smad Anchor for Receptor Activation (SARA) and modulates its function. SARA is an essential component of the TGF-β signaling cascade, which is involved in various cellular processes, including cell growth, differentiation, and apoptosis. SARA inhibitors are designed to interfere with the interactions between SARA and its binding partners, disrupting the transmission of signals downstream of the TGF-β receptor.

The mechanism of action of SARA inhibitors primarily involves binding to SARA and preventing its association with the TGF-β receptor complex. This interference inhibits the recruitment of downstream signaling molecules, such as Smad proteins, to the receptor complex, ultimately dampening the activation of the TGF-β pathway. By doing so, SARA inhibitors can exert control over various cellular processes influenced by TGF-β signaling. These compounds are of particular interest in the field of cellular biology and signal transduction research, as they provide valuable tools for investigating the intricacies of the TGF-β pathway and its implications in normal development and disease states.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

SB 431542

301836-41-9sc-204265
sc-204265A
sc-204265B
1 mg
10 mg
25 mg
$82.00
$216.00
$416.00
48
(1)

SB-431542 is a well-known SARA inhibitor that acts by blocking the TGF-β receptor, thereby inhibiting the downstream signaling pathways, including SARA.

ALK5 Inhibitor II

446859-33-2sc-221234
sc-221234A
sc-221234B
sc-221234C
sc-221234D
sc-221234E
sc-221234F
1 mg
5 mg
10 mg
50 mg
100 mg
500 mg
1 g
$77.00
$153.00
$219.00
$663.00
$1248.00
$4382.00
$7850.00
8
(1)

ALK5 Inhibitor II is a small molecule inhibitor of TGF-β type I receptor (ALK5), which is involved in the activation of SARA.

LY2109761

700874-71-1sc-396262
sc-396262A
1 mg
5 mg
$89.00
$275.00
9
(1)

LY2109761 is an ATP-competitive inhibitor of TGF-β type I receptor kinase activity, effectively suppressing TGF-β signaling and SARA activation.

LY2157299

700874-72-2sc-391123
sc-391123A
5 mg
10 mg
$213.00
$359.00
3
(1)

LY2157299 is a TGF-β receptor inhibitor that can modulate SARA activity.

GW788388

452342-67-5sc-363544
sc-363544A
5 mg
25 mg
$95.00
$384.00
(0)

GW788388 is a selective inhibitor of the TGF-β type I receptor and can indirectly influence SARA function.

TGF-β RI Kinase Inhibitor V

627536-09-8sc-203294
2 mg
$88.00
3
(1)

Also called SD-208, this compound is an ATP-competitive inhibitor of the TGF-β type I receptor kinase and, as a result, can inhibit SARA-dependent signaling.

LY 364947

396129-53-6sc-203122
sc-203122A
5 mg
10 mg
$107.00
$156.00
4
(1)

LY364947 is an inhibitor of the TGF-β type I receptor kinase and is used in research to study SARA-dependent signaling pathways.

SB-505124

694433-59-5sc-362794
sc-362794A
10 mg
50 mg
$327.00
$1377.00
2
(0)

SB505124 is a potent inhibitor of TGF-β type I receptor kinase, and it can be employed to inhibit SARA-associated TGF-β signaling.