Date published: 2026-5-16

1-800-457-3801

SCBT Portrait Logo
Seach Input

eIF2C3 Inhibitors

eIF2C3 inhibitors represent a group of compounds that either directly or indirectly modulate the activity of eIF2C3, a key player in RNA silencing and post-transcriptional gene regulation. These inhibitors offer valuable tools for studying the intricate network of cellular processes in which eIF2C3 is involved. Direct eIF2C3 inhibitors, such as Salubrinal and ISRIB, target specific components of the eIF2α phosphorylation pathway. Salubrinal inhibits the dephosphorylation of eIF2α by targeting the protein phosphatase 1 (PP1) complex. On the other hand, ISRIB blocks eIF2B from binding to phosphorylated eIF2α, promoting translation recovery. These chemicals directly impede eIF2C3's function by altering the phosphorylation status of eIF2α, a critical regulator of translation initiation.

Indirect eIF2C3 inhibitors, like Guanabenz and Guanfacine, influence eIF2C3 through the integrated stress response (ISR). By acting as α2-adrenergic receptor agonists, they activate the PERK pathway, reducing eIF2α phosphorylation and indirectly impacting eIF2C3. Similarly, compounds like Rapamycin and Dactolisib indirectly modulate eIF2C3 by targeting the mTOR pathway, altering protein synthesis and translation processes that eIF2C3 relies on. Additionally, agents like Tunicamycin and Thapsigargin induce endoplasmic reticulum (ER) stress, leading to eIF2α phosphorylation via the PERK pathway. These compounds indirectly influence eIF2C3 activity by altering the cellular response to ER stress. Finally, chemicals such as Pateamine A and Homoharringtonine indirectly impact eIF2C3 by disrupting translation initiation or ribosomal function, crucial processes for eIF2C3's role in RNA-induced silencing complex (RISC). In summary, eIF2C3 inhibitors encompass a diverse group of chemicals that target various pathways and processes, ultimately leading to the modulation of eIF2C3's activity in RNA silencing and post-transcriptional gene regulation. These compounds offer researchers valuable tools to dissect the intricate mechanisms governing gene expression at the post-transcriptional level.

SEE ALSO...

Items 1 to 10 of 11 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Salubrinal

405060-95-9sc-202332
sc-202332A
1 mg
5 mg
$34.00
$104.00
87
(2)

Salubrinal is a selective inhibitor of eIF2α dephosphorylation. It targets the protein phosphatase 1 (PP1) complex and prevents its activity, resulting in increased phosphorylation of eIF2α. This elevated phosphorylation reduces protein synthesis and indirectly inhibits eIF2C3 by modulating the translation initiation process.

ISRIB

1597403-47-8sc-488404
10 mg
$300.00
1
(0)

ISRIB acts as a small molecule inhibitor of the integrated stress response (ISR). It works by blocking the binding of eIF2B to phosphorylated eIF2α, thus promoting translation recovery. By regulating the eIF2α-mediated signaling pathway, ISRIB indirectly influences eIF2C3 activity.

Guanabenz acetate

23256-50-0sc-203590
sc-203590A
sc-203590B
sc-203590C
sc-203590D
100 mg
500 mg
1 g
10 g
25 g
$102.00
$468.00
$832.00
$4162.00
$7283.00
2
(2)

Guanabenz acetate is an α2-adrenergic receptor agonist that can attenuate eIF2α phosphorylation by activating the PERK pathway. By reducing eIF2α phosphorylation, it indirectly modulates eIF2C3 function as a downstream consequence of the integrated stress response.

Guanfacine

29110-47-2sc-353618
200 mg
$1900.00
(0)

Guanfacine, similar to Guanabenz, is an α2-adrenergic receptor agonist. It can influence the PERK-eIF2α pathway, leading to reduced eIF2α phosphorylation and, consequently, indirect modulation of eIF2C3 activity through the integrated stress response.

Farnesyl thiosalicylic acid

162520-00-5sc-205322
sc-205322A
1 mg
5 mg
$61.00
$82.00
15
(1)

Farnesyl thiosalicylic acid is a Ras inhibitor that can affect the Ras-ERK pathway. This pathway indirectly connects with eIF2C3 modulation by influencing downstream signaling cascades, ultimately impacting eIF2C3 function through a network of intracellular signaling.

Rapamycin

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

Rapamycin is an mTOR inhibitor that regulates protein synthesis. It indirectly modulates eIF2C3 activity by influencing mTOR-dependent signaling pathways. The suppression of mTOR activity results in altered protein translation, affecting eIF2C3's role in RNA silencing.

Caffeine

58-08-2sc-202514
sc-202514A
sc-202514B
sc-202514C
sc-202514D
50 g
100 g
250 g
1 kg
5 kg
$33.00
$67.00
$97.00
$192.00
$775.00
13
(1)

Caffeine is an inhibitor of phosphodiesterases, which can lead to increased levels of cAMP. Elevated cAMP levels activate PKA, leading to eIF2α phosphorylation. Consequently, caffeine indirectly influences eIF2C3 by affecting the cAMP-PKA-eIF2α pathway.

Thapsigargin

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

Thapsigargin is a SERCA inhibitor that induces endoplasmic reticulum (ER) stress. ER stress can activate the PERK-eIF2α pathway, leading to eIF2α phosphorylation. Thapsigargin, therefore, indirectly modulates eIF2C3 activity by altering the ER stress response.

BEZ235

915019-65-7sc-364429
50 mg
$211.00
8
(1)

BEZ235 is a dual PI3K/mTOR inhibitor. It affects the PI3K/AKT/mTOR pathway, which indirectly regulates eIF2C3 by modulating downstream signaling. Changes in this pathway's activity can impact eIF2C3 function through altered translation and cellular processes.

Tunicamycin

11089-65-9sc-3506A
sc-3506
5 mg
10 mg
$172.00
$305.00
66
(3)

Tunicamycin inhibits N-linked glycosylation and induces ER stress, leading to the activation of the PERK-eIF2α pathway. This, in turn, indirectly influences eIF2C3 activity by affecting translation initiation during ER stress response.