Date published: 2026-4-24

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Gamma-glutamyltransferase (GGT) Activators

Gamma-glutamyltransferase (GGT) is an enzyme that plays a crucial role in cellular redox regulation and the metabolism of glutathione, a vital antioxidant molecule. GGT signaling encompasses a network of interactions and pathways involved in maintaining cellular redox balance and managing glutathione levels. This enzyme is primarily localized on the cell membrane and functions to cleave gamma-glutamyl bonds in various substrates, including glutathione. GGT signaling is closely tied to the control of glutathione homeostasis within cells. By catalyzing the breakdown of extracellular glutathione and other gamma-glutamyl compounds, GGT helps regulate the levels of these molecules, which in turn influence redox signaling and antioxidant defense mechanisms.

Gamma-glutamyltransferase (GGT) Activators comprises compounds that have the ability to enhance GGT activity. These activators can interact directly or indirectly with GGT, leading to an increase in its catalytic efficiency. Indirect activators may influence cellular processes that impact GGT expression or activation. The study of GGT activators is essential for unraveling the intricate mechanisms of redox regulation and cellular antioxidant defenses. By understanding how these compounds influence GGT signaling, researchers gain insights into the broader context of cellular redox balance and antioxidant responses, shedding light on fundamental cellular processes that are vital for maintaining health and homeostasis.

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Glutathione, reduced

70-18-8sc-29094
sc-29094A
10 g
1 kg
$82.00
$2091.00
8
(2)

Glutathione itself can serve as an activator of GGT. GGT plays a role in maintaining cellular glutathione levels by cleaving gamma-glutamyl bonds in extracellular glutathione, and this can indirectly activate GGT.

Iron

7439-89-6sc-215190
sc-215190A
500 g
2 kg
$69.00
$180.00
(0)

Iron ions, particularly ferrous (Fe2+) ions, have been shown to activate GGT. Iron can bind to GGT and modulate its activity, potentially increasing its catalytic efficiency.

S-Nitrosoglutathione (GSNO)

57564-91-7sc-200349
sc-200349B
sc-200349A
sc-200349C
10 mg
25 mg
50 mg
100 mg
$87.00
$210.00
$346.00
$449.00
15
(1)

GSNO is a nitric oxide donor that can activate GGT. It may indirectly stimulate GGT activity by affecting the redox state of the cell and glutathione metabolism.

L-Cysteine

52-90-4sc-286072
sc-286072A
sc-286072B
sc-286072C
sc-286072D
25 g
100 g
500 g
5 kg
10 kg
$51.00
$112.00
$449.00
$1151.00
$2178.00
1
(1)

L-Cysteine can activate GGT by providing thiol groups that interact with the enzyme's active site.

Insulin

11061-68-0sc-29062
sc-29062A
sc-29062B
100 mg
1 g
10 g
$156.00
$1248.00
$12508.00
82
(1)

Insulin is a hormone that regulates glucose metabolism. It can activate GGT, possibly by affecting the redox state of the cell or modulating GGT expression.