Date published: 2025-10-15

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Cup1 Inhibitors

Cup1 inhibitors are a class of chemical compounds known for their ability to selectively inhibit the activity of the Cup1 gene product, a protein primarily involved in copper ion homeostasis within various biological systems. The Cup1 protein, a metallothionein, plays a crucial role in the binding and sequestration of copper ions, thereby preventing potential toxicity from excess copper accumulation. These inhibitors typically interact with the active sites or binding regions of the Cup1 protein, altering its conformation and diminishing its capacity to bind copper ions effectively. By interfering with the normal function of the Cup1 protein, these inhibitors can disrupt the delicate balance of copper ions within the cellular environment, leading to downstream effects on various biochemical pathways dependent on copper as a cofactor. Chemically, Cup1 inhibitors encompass a diverse range of structures, often characterized by their affinity for metal-binding domains. These compounds may contain specific functional groups such as thiols, amines, or carboxylates that facilitate strong interactions with metal ions, thus mimicking the natural ligands of the Cup1 protein. The structural diversity of Cup1 inhibitors allows for varying degrees of specificity and potency, making them valuable tools for probing the biochemical pathways associated with metal ion regulation. Furthermore, the study of Cup1 inhibitors extends to understanding their broader impact on metalloprotein networks and cellular metal homeostasis, as well as their potential to influence oxidative stress and redox-sensitive signaling cascades. The design and synthesis of these inhibitors are driven by the need to elucidate the molecular mechanisms underpinning copper ion regulation and the broader implications of metal ion dysregulation in biological systems.

Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Copper(II) sulfate

7758-98-7sc-211133
sc-211133A
sc-211133B
100 g
500 g
1 kg
$45.00
$120.00
$185.00
3
(1)

Elevated copper levels, such as those from copper(II) sulfate, can downregulate Cup1 expression through a feedback inhibition mechanism, as the cell attempts to maintain copper homeostasis.

Silver nitrate

7761-88-8sc-203378
sc-203378A
sc-203378B
25 g
100 g
500 g
$112.00
$371.00
$1060.00
1
(1)

Silver ions from silver nitrate may displace copper, leading to a decrease in Cup1 expression due to interference with copper-dependent transcription factors that control the CUP1 gene promoter.

Cisplatin

15663-27-1sc-200896
sc-200896A
100 mg
500 mg
$76.00
$216.00
101
(4)

By forming DNA adducts, cisplatin can obstruct the transcriptional machinery′s access to the CUP1 promoter, thereby reducing transcription rates and subsequent Cup1 protein synthesis.

Sodium arsenite, 0.1N Standardized Solution

7784-46-5sc-301816
500 ml
$130.00
4
(0)

Sodium arsenite could disrupt the binding of transcription factors to metal response elements on the CUP1 gene, resulting in a decreased expression of the Cup1 protein.

Cadmium chloride, anhydrous

10108-64-2sc-252533
sc-252533A
sc-252533B
10 g
50 g
500 g
$55.00
$179.00
$345.00
1
(1)

Cadmium chloride may interfere with the normal induction of Cup1 expression by competing with copper ions and other metals that are crucial for the gene′s upregulation.

Lead(II) Acetate

301-04-2sc-507473
5 g
$83.00
(0)

Lead(II) acetate exposure can cause a downregulation of Cup1 expression as lead competes with copper and other metal ions for binding sites on transcription factor proteins specific to the CUP1 gene.

Zinc sulfate solution

7733-02-0sc-251451
250 ml
$110.00
(0)

An excess of zinc, provided by zinc sulfate, can downregulate Cup1 expression by disturbing the metal ion balance necessary for the proper transcription of metallothionein genes like CUP1.

N-Ethylmaleimide

128-53-0sc-202719A
sc-202719
sc-202719B
sc-202719C
sc-202719D
1 g
5 g
25 g
100 g
250 g
$22.00
$68.00
$210.00
$780.00
$1880.00
19
(1)

N-Ethylmaleimide reacts with cysteine residues, which could result in reduced expression of Cup1 by altering the function of transcription factors that govern the expression of the CUP1 gene.

Hydrogen Peroxide

7722-84-1sc-203336
sc-203336A
sc-203336B
100 ml
500 ml
3.8 L
$30.00
$60.00
$93.00
27
(1)

Hydrogen peroxide can induce oxidative stress, which may lead to a downregulation of Cup1 expression as part of a broader cellular response to mitigate damage from reactive oxygen species.

Dexamethasone

50-02-2sc-29059
sc-29059B
sc-29059A
100 mg
1 g
5 g
$76.00
$82.00
$367.00
36
(1)

Dexamethasone could decrease Cup1 expression by activating glucocorticoid receptors, which may interact with transcription factors or coactivators involved in the transcriptional control of the CUP1 gene.