Date published: 2026-5-17

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λ-crystallin Activators

λ-crystallin Activators encompass a range of chemical compounds that enhance the functional activity of λ-crystallin through various biochemical mechanisms that are vital for maintaining lens transparency and preventing cataract formation. Compounds such as Forskolin and Sildenafil citrate work by modulating the levels of cyclic nucleotides; Forskolin elevates cAMP, which activates PKA and may influence the phosphorylation state of lens proteins, thereby stabilizing λ-crystallin's structure. Sildenafil citrate, on the other hand, prevents the degradation of cGMP, which can affect ion channels and cellular homeostasis, indirectly supporting the functional capacity ofλ-crystallin. Similarly, PMA activates Protein Kinase C (PKC), which phosphorylates substrates that could include structural proteins or chaperones interacting with λ-crystallin, thus indirectly upholding its role in lens clarity. Antioxidants like Quercetin, Epigallocatechin gallate (EGCG), and α-Lipoic acid provide a protective effect against oxidative stress, a factor in cataract formation, by maintaining a reducing environment that preserves the structural integrity of λ-crystallin. Curcumin and Lutein offer both anti-inflammatory and antioxidative benefits, shielding λ-crystallin from oxidative damage and enhancing its functional activity in the lens.

Zinc sulfate and Retinoic acid are essential for the proper expression and folding of lens proteins; Zinc acts as a structural stabilizer for enzymes that may interact with λ-crystallin, while Retinoic acid may regulate the expression of proteins that partner with λ-crystallin to maintain lens transparency and refractive function. N-Acetylcysteine (NAC) boosts intracellular glutathione levels, providing a reductive capacity necessary for the preservation of lens proteins, including λ-crystallin, against oxidative insults. Taurine contributes to the stabilization of cell membranes and antioxidative defense, preventing the aggregation of lens crystallins and maintaining the optical properties of the lens. Collectively, these activators work through distinct yet complementary mechanisms to ensure the structural and functional support of λ-crystallin, thereby playing a critical role in the maintenance of lens transparency and the prevention of lens opacification.

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Items 1 to 10 of 11 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$78.00
$153.00
$740.00
$1413.00
$2091.00
73
(3)

Forskolin activates adenylate cyclase, which increases cAMP levels in the cell. Elevated cAMP activates PKA, which can then phosphorylate various proteins, including ion channels and other enzymes that could affect lens clarity and function, subsequently enhancing the activity of λ-crystallin.

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)

PMA functions as a PKC activator. By activating PKC, it influences phosphorylation of proteins that are important in maintaining the structure and function of the lens, thereby potentially enhancing the stability and function of λ-crystallin in the lens.

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$66.00
$325.00
$587.00
$1018.00
28
(1)

Retinoic acid modulates gene expression through its receptors. In the lens, it could influence the expression of proteins that interact with or stabilize λ-crystallin, thus indirectly enhancing its functional activity and stability in the lens structure.

Zinc

7440-66-6sc-213177
100 g
$48.00
(0)

Zinc acts as a cofactor for numerous enzymes and is essential for the proper folding and function of many proteins. By stabilizing the structure of enzymes and proteins in the lens, zinc sulfate may indirectly enhance the functional activity of λ-crystallin.

Quercetin

117-39-5sc-206089
sc-206089A
sc-206089E
sc-206089C
sc-206089D
sc-206089B
100 mg
500 mg
100 g
250 g
1 kg
25 g
$11.00
$17.00
$110.00
$250.00
$936.00
$50.00
33
(2)

Quercetin, a flavonoid, has antioxidant properties and could protect lens proteins, including λ-crystallin, from oxidative stress. This protection can indirectly enhance the activity and stability of λ-crystallin by preventing oxidative damage.

(−)-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)

EGCG is known for its antioxidant properties. It can provide a protective effect on lens proteins by reducing oxidative stress, thus potentially enhancing the stability and function of λ-crystallin by maintaining its proper structure.

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$37.00
$69.00
$109.00
$218.00
$239.00
$879.00
$1968.00
47
(1)

Curcumin possesses anti-inflammatory and antioxidant properties. In the context of the lens, it may protect λ-crystallin from oxidative stress and improve its stability and refractive properties by maintaining a clear lens environment.

Xanthophyll

127-40-2sc-220391
sc-220391A
25 mg
100 mg
$250.00
$900.00
2
(1)

Lutein is an antioxidant that can filter harmful blue light and protect ocular tissues from light-induced oxidative damage. Its antioxidant effect in the lens could indirectly support the functional activity of λ-crystallin by reducing photo-oxidative stress.

N-Acetyl-L-cysteine

616-91-1sc-202232
sc-202232A
sc-202232C
sc-202232B
5 g
25 g
1 kg
100 g
$34.00
$74.00
$270.00
$114.00
34
(1)

NAC is a precursor to glutathione, an important intracellular antioxidant. By boosting glutathione levels, NAC can help maintain the redox balance in the lens, indirectly supporting the structural integrity and function of λ-crystallin.

Taurine

107-35-7sc-202354
sc-202354A
25 g
500 g
$48.00
$102.00
1
(1)

Taurine has been shown to stabilize cell membranes and provide antioxidant protection. In the lens, this can indirectly support the function of λ-crystallin by preserving lens clarity and preventing protein aggregation.