Date published: 2026-4-24

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eIF3ε Activators

eIF3ε, a subunit of the eukaryotic initiation factor 3 (eIF3) complex, plays a crucial role in the initiation phase of protein synthesis. As a part of this multiprotein complex, eIF3ε contributes to the binding of the 40S ribosomal subunit to mRNA, thereby facilitating the assembly of the active 80S ribosome that is essential for the translation process. The regulation of eIF3ε is integral to the control of protein synthesis, which is a fundamental cellular process affecting growth, proliferation, and the maintenance of cellular functions. Understanding the expression patterns of eIF3ε and identifying compounds that can increase its expression is of significant interest in the context of cellular biology and gene expression regulation.

Several chemical compounds have been identified to potentially induce the expression of eIF3ε. These activators could operate through diverse mechanisms, each intersecting with intricate cellular pathways. Compounds like Epigallocatechin gallate (EGCG) and Resveratrol, for example, are known for their antioxidant properties and could upregulate eIF3ε by engaging cellular defense mechanisms against oxidative stress. This upregulation forms part of a broader cellular strategy to maintain protein homeostasis under adverse conditions. Similarly, Metformin, commonly recognized for its role in metabolic processes, might prompt the expression of eIF3ε by activating AMP-activated protein kinase (AMPK), an enzyme that plays a key role in cellular energy homeostasis. On another front, chemicals like lithium, which is known to alter intracellular signaling, could lead to the enhancement of eIF3ε expression by modulating gene expression profiles that are associated with cellular resilience and neuroprotection. These activators, while diverse in their primary functions, share the common potential to upregulate eIF3ε, highlighting the multifaceted nature of cellular regulation and the broad scope of interactions that can influence protein synthesis at the translational initiation level.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

(−)-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)

Epigallocatechin Gallate could enhance eIF3ε expression by triggering antioxidant defense mechanisms, leading to the activation of cellular pathways that upregulate stress-responsive genes.

Resveratrol

501-36-0sc-200808
sc-200808A
sc-200808B
100 mg
500 mg
5 g
$80.00
$220.00
$460.00
64
(2)

Resveratrol has the potential to elevate eIF3ε expression through sirtuin-mediated pathways, which could recalibrate the cellular stress response and longevity-related processes.

Lithium

7439-93-2sc-252954
50 g
$214.00
(0)

Lithium may upregulate eIF3ε expression by altering intracellular signaling cascades, leading to changes in gene transcription profiles associated with neuroprotection and cellular resilience.

Metformin

657-24-9sc-507370
10 mg
$79.00
2
(0)

Metformin could induce eIF3ε expression as a consequence of its role in enhancing cellular metabolic efficiency, possibly through pathways linked to energy sensing and calorie restriction mimetics.

Rosiglitazone

122320-73-4sc-202795
sc-202795A
sc-202795C
sc-202795D
sc-202795B
25 mg
100 mg
500 mg
1 g
5 g
$120.00
$326.00
$634.00
$947.00
$1259.00
38
(1)

Rosiglitazone may stimulate an increase in eIF3ε expression by engaging transcription factors that govern glucose metabolism and adipogenesis, potentially extending to broader gene expression alterations.

β-Estradiol

50-28-2sc-204431
sc-204431A
500 mg
5 g
$63.00
$182.00
8
(1)

This hormone could promote eIF3ε expression by binding to estrogen receptors that interact with DNA on estrogen-responsive promoter regions, potentially stimulating gene transcription.

Pioglitazone

111025-46-8sc-202289
sc-202289A
1 mg
5 mg
$55.00
$125.00
13
(1)

Pioglitazone could elevate eIF3ε expression by enhancing transcriptional activity linked to insulin sensitization and fatty acid storage, possibly extending the effects to various metabolic genes.

Disulfiram

97-77-8sc-205654
sc-205654A
50 g
100 g
$53.00
$89.00
7
(1)

Disulfiram may upregulate eIF3ε by prompting a cellular protective response to toxic metabolites, leading to an increase in expression of genes that facilitate detoxification and stress resistance.

Sodium (meta)arsenite

7784-46-5sc-250986
sc-250986A
100 g
1 kg
$108.00
$780.00
3
(2)

Sodium (meta)arsenite might induce eIF3ε expression by eliciting a strong cellular stress response, potentially leading to an upregulation of genes associated with protein folding and stress adaptation.

Tunicamycin

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

Tunicamycin could trigger an upsurge in eIF3ε expression by initiating the unfolded protein response, a cellular reaction to misfolded proteins that necessitates increased protein synthesis control.