Date published: 2026-3-22

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RPE Inhibitors

RPE inhibitors belong to a class of chemical compounds that specifically target the Retinal Pigment Epithelium (RPE), a crucial cellular layer located at the back of the eye. The RPE serves a multitude of functions, playing a pivotal role in maintaining the health and functionality of the adjacent photoreceptor cells. This class of inhibitors is designed to modulate the activity of key enzymes or proteins within the RPE, thereby influencing cellular processes critical for the maintenance of retinal homeostasis. By selectively interfering with molecular pathways in the RPE, these inhibitors may have the potential to impact various aspects of retinal physiology, including the regulation of visual pigment regeneration, phagocytosis of shed photoreceptor outer segments, and the maintenance of the blood-retinal barrier.

RPE inhibitors are rooted in the broader understanding of retinal diseases and their underlying molecular mechanisms. Researchers aim to unravel the intricate cellular processes within the RPE to identify potential targets for intervention. RPE inhibitors, therefore, represent a class of compounds designed with precision to modulate specific biochemical pathways within the RPE, offering a nuanced approach to exploring the intricacies of retinal function. As the scientific community delves deeper into the complexities of retinal biology, RPE inhibitors stand as valuable tools for elucidating the role of the RPE in health and disease, contributing to the ongoing quest for a comprehensive understanding of ocular physiology.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

4-Hydroxyphenylretinamide

65646-68-6sc-200900
sc-200900A
5 mg
25 mg
$104.00
$315.00
(0)

4-Hydroxyphenylretinamide binds to retinol-binding proteins, reducing the availability of retinol for the visual cycle.

Disulfiram

97-77-8sc-205654
sc-205654A
50 g
100 g
$53.00
$89.00
7
(1)

Disulfiram can chelate metals, and since RPE65 is a metalloenzyme, its activity can be indirectly affected.

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)

Tretinoin, a retinoic acid, alters retinoid metabolism, potentially modulating RPE65 activity indirectly.

Acitretin

55079-83-9sc-210754
25 mg
$151.00
1
(1)

Acitretin is another retinoic acid derivative that could affect retinoid metabolism and RPE65 function.

Tazarotene

118292-40-3sc-220193
10 mg
$103.00
(0)

Tazarotene affects retinoid signaling and could alter processes upstream of RPE65.

Adapalene

106685-40-9sc-203803
sc-203803A
10 mg
50 mg
$66.00
$332.00
2
(0)

Adapalene is a synthetic retinoid that could indirectly influence RPE65 through retinoid pathway modulation.

Palmitic Acid

57-10-3sc-203175
sc-203175A
25 g
100 g
$114.00
$286.00
2
(0)

Palmitic Acid can affect retinaldehyde dehydrogenase, potentially impacting the substrate availability for RPE65.

Citral

5392-40-5sc-252620
1 kg
$212.00
(1)

Citral has been shown to inhibit certain aldehyde dehydrogenases, which could influence retinoid metabolism.

all-trans Retinal

116-31-4sc-210778A
sc-210778
250 mg
1 g
$129.00
$379.00
7
(2)

Retinal is the direct substrate for RPE65, and its excess or depletion can regulate RPE65's enzymatic activity.

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
$69.00
$214.00
$796.00
$1918.00
19
(1)

NEM can irreversibly modify cysteine residues on proteins, potentially affecting RPE65's active site.