Date published: 2026-6-7

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connexin 40 Inhibitors

Connexin 40 Inhibitors are a specialized class of chemical compounds that primarily target a specific protein known as connexin 40 (Cx40). Connexins are a family of transmembrane proteins that form gap junction channels in various cell types, enabling direct communication and the exchange of ions, metabolites, and signaling molecules between adjacent cells. Cx40, in particular, is a subtype of connexin primarily found in endothelial cells, which line the inner surfaces of blood vessels and play a crucial role in regulating vascular function. Inhibitors of connexin 40 are designed to modulate the activity of this protein, thereby impacting intercellular communication within endothelial cells and influencing vascular physiology.

The development of Connexin 40 Inhibitors is driven by their potential to influence key physiological processes, such as vascular tone regulation, blood pressure control, and endothelial cell signaling. These compounds typically interact with Cx40 to either block or modulate the function of gap junction channels formed by this protein. By doing so, they can potentially affect the transmission of signals related to vasoconstriction and vasodilation, which are critical mechanisms in maintaining blood pressure and overall cardiovascular health.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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)

This compound activates protein kinase C, leading to a cascade of intracellular events that can modify gene expression, possibly impacting Cx40 levels.

5-Azacytidine

320-67-2sc-221003
500 mg
$280.00
4
(1)

As a DNA methyltransferase inhibitor, 5-azacytidine can change the methylation status of genes, potentially affecting the expression of connexins like Cx40.

Dexamethasone

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

Dexamethasone is a glucocorticoid that can modulate immune responses and inflammation. It can also influence gene expression, potentially reducing Cx40 levels.

Rapamycin

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

Sirolimus inhibits the mTOR pathway, which is involved in cell growth and proliferation. This inhibition can affect the expression of various proteins, including connexins.

Sorafenib

284461-73-0sc-220125
sc-220125A
sc-220125B
5 mg
50 mg
500 mg
$57.00
$100.00
$250.00
129
(3)

Sorafenib targets multiple kinases and has the potential to influence cell proliferation and survival, potentially impacting connexin expression.

Gefitinib

184475-35-2sc-202166
sc-202166A
sc-202166B
sc-202166C
100 mg
250 mg
1 g
5 g
$63.00
$114.00
$218.00
$349.00
74
(2)

Gefitinib inhibits the epidermal growth factor receptor (EGFR) tyrosine kinase, which plays a role in cell growth and differentiation, potentially affecting Cx40 expression.

Erlotinib, Free Base

183321-74-6sc-396113
sc-396113A
sc-396113B
sc-396113C
sc-396113D
500 mg
1 g
5 g
10 g
100 g
$87.00
$135.00
$293.00
$505.00
$3827.00
42
(0)

Similar to gefitinib, erlotinib is an EGFR inhibitor and may influence cell signaling pathways, potentially altering Cx40 expression.

2-Methoxyestradiol

362-07-2sc-201371
sc-201371A
10 mg
50 mg
$71.00
$288.00
6
(1)

As a metabolite of estradiol, this compound has various biological activities, including the potential to modulate gene expression, which may impact connexin levels.