Date published: 2025-12-14

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connexin 46 Inhibitors

Connexin 46 inhibitors are a class of chemical compounds that specifically target and inhibit the function of connexin 46, a protein encoded by the GJA3 (gap junction protein alpha 3) gene. Connexin 46 is a member of the connexin family of proteins, which are integral components of gap junctions. These gap junctions are specialized intercellular channels that allow for direct communication between adjacent cells by facilitating the passage of ions, metabolites, and other small molecules. Connexin 46, in particular, is predominantly expressed in the lens of the eye, where it plays a crucial role in maintaining lens transparency and homeostasis. By forming gap junction channels, connexin 46 enables the diffusion of essential nutrients and the removal of metabolic waste products, ensuring proper cellular function within the lens.

Structurally, connexin 46 inhibitors are diverse and can include small molecules or peptides specifically designed to interfere with the assembly, opening, or functioning of connexin 46 channels. These inhibitors can bind to specific sites on the connexin 46 protein, preventing it from forming functional gap junctions or blocking the channels once they are formed. This inhibition can disrupt intercellular communication and alter the homeostatic balance maintained by gap junctions in tissues expressing connexin 46. The study of connexin 46 inhibitors provides valuable insights into the mechanisms of gap junction regulation and the role of connexin 46 in cellular communication and tissue homeostasis. By understanding how these inhibitors affect connexin 46 function, researchers can explore the broader implications of gap junction modulation on cellular processes, including ion transport, metabolic coordination, and overall tissue health. Research into these inhibitors thus contributes to a deeper understanding of the physiological and biochemical pathways influenced by gap junctions and connexin 46 specifically.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

2-APB

524-95-8sc-201487
sc-201487A
20 mg
100 mg
$27.00
$52.00
37
(1)

Influences intracellular calcium levels, which can indirectly modulate connexin function.

Mefenamic acid

61-68-7sc-205380
sc-205380A
25 g
100 g
$104.00
$204.00
6
(0)

Similar to flufenamic acid, can disrupt gap junction communication.

Quinidine

56-54-2sc-212614
10 g
$102.00
3
(1)

Stereoisomer of quinine, which also inhibits gap junction communication.

Carbenoxolone disodium

7421-40-1sc-203868
sc-203868A
sc-203868B
sc-203868C
1 g
5 g
10 g
25 g
$45.00
$197.00
$351.00
$759.00
1
(3)

Carbenoxolone is a glycyrrhetinic acid derivative that inhibits connexin 43 by blocking gap junction intercellular communication. It binds to the connexin proteins and interferes with channel pore formation. Non-specific gap junction blocker. Can inhibit gap junction intercellular communication mediated by connexins.

18 β-Glycyrrhetinic Acid

471-53-4sc-205573B
sc-205573
sc-205573A
sc-205573C
sc-205573D
1 g
5 g
10 g
25 g
100 g
$28.00
$54.00
$85.00
$129.00
$313.00
3
(2)

Similar to Carbenoxolone, 18α-Glycyrrhetinic Acid is a derivative of glycyrrhetinic acid. It inhibits connexin by blocking the gap junction communication, affecting the channel pore formation. Another non-specific inhibitor of gap junctions. Can reduce gap junction communication involving connexins.

1-Heptanol

111-70-6sc-237561
100 ml
$111.00
(0)

Heptanol is an aliphatic alcohol that inhibits connexin 43 by blocking gap junction intercellular communication. This non-specific inhibitor affects the lipid bilayer of the cell membrane, disrupting the function of gap junction channels.

1-Octanol

111-87-5sc-255858
1 ml
$45.00
(0)

Octanol works similarly to Heptanol. It is an aliphatic alcohol that disrupts the lipid bilayer of the cell membrane, thereby inhibiting the function of gap junction channels, including connexin.

Quinine

130-95-0sc-212616
sc-212616A
sc-212616B
sc-212616C
sc-212616D
1 g
5 g
10 g
25 g
50 g
$77.00
$102.00
$163.00
$347.00
$561.00
1
(0)

Quinine is a natural alkaloid that inhibits connexin. It blocks the gap junction intercellular communication by interacting with the channel pore, preventing the exchange of ions and small molecules. Alkaloid that can inhibit gap junction communication non-specifically.

Probenecid

57-66-9sc-202773
sc-202773A
sc-202773B
sc-202773C
1 g
5 g
25 g
100 g
$27.00
$38.00
$98.00
$272.00
28
(2)

Probenecid is a uricosuric agent that can inhibit connexin 43. It blocks the hemichannels, disrupting the intercellular communication. Known to block certain connexin hemichannels and could influence connexin 59 indirectly.

Lanthanum(III) chloride

10099-58-8sc-257661
10 g
$88.00
(0)

Lanthanum Chloride is a gap junction blocker that inhibits connexin by interacting with the channel pore. It prevents the exchange of ions and other small molecules, disrupting gap junction communication.