Date published: 2026-4-19

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Rhodopsin Inhibitors

Rhodopsin inhibitors belong to a specific chemical class of compounds that interact with and modulate the activity of rhodopsin, a light-sensitive receptor protein found in the rod cells of the retina in vertebrate eyes. Rhodopsin is a crucial component of the visual system, playing a pivotal role in the initial stages of phototransduction, where it converts incoming photons of light into electrical signals that are subsequently transmitted to the brain for visual processing. The inhibition of rhodopsin by these compounds has garnered scientific interest due to its implications in the study of vision, light sensitivity, and the broader understanding of retinal biology. Rhodopsin inhibitors typically possess a specific molecular structure that allows them to interact with rhodopsin's active site or binding pocket, thereby modulating its function. These inhibitors may act as competitive antagonists or allosteric modulators, affecting the activation or deactivation of rhodopsin in response to light stimuli. By interfering with the normal functioning of rhodopsin, these compounds provide researchers with valuable tools to investigate the intricacies of visual signal transduction pathways, photoreceptor dynamics, and the molecular mechanisms behind visual perception. Understanding the actions of rhodopsin inhibitors contributes to a deeper comprehension of the fundamental processes underlying vision and can have implications for areas such as ophthalmology, neuroscience, and basic research in vision science.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Toxin A from Clostridium difficile

sc-222361
sc-222361A
2 µg
100 µg
$196.00
$787.00
(1)

Toxin A from Clostridium difficile functions as a potent modulator of cellular signaling by targeting the Rho family of GTPases. It disrupts the actin cytoskeleton through specific interactions, leading to altered cell morphology and impaired cellular functions. The toxin's unique enzymatic activity facilitates the ADP-ribosylation of Rho proteins, effectively locking them in an inactive state. This process significantly impacts cellular dynamics, influencing processes such as apoptosis and inflammation.

Vitamin A

68-26-8sc-280187
sc-280187A
1 g
10 g
$385.00
$2654.00
(2)

Excessive intake of vitamin A, in the form of retinol, can inhibit rhodopsin function, leading to a condition called vitamin A toxicity, which can result in night blindness.

13-cis-Retinoic acid

4759-48-2sc-205568
sc-205568A
100 mg
250 mg
$75.00
$120.00
8
(1)

This agent in research can inhibit rhodopsin function and cause night vision problems as a side effect.

Quinine

130-95-0sc-212616
sc-212616A
sc-212616B
sc-212616C
sc-212616D
1 g
5 g
10 g
25 g
50 g
$79.00
$104.00
$166.00
$354.00
$572.00
1
(0)

Quinine is an agent in research used for malaria and can inhibit the functioning of rhodopsin, leading to visual disturbances.

Chloroquine

54-05-7sc-507304
250 mg
$69.00
2
(0)

Another antimalarial agent in research, chloroquine, has been reported to inhibit rhodopsin function and cause vision problems in some individuals.

Tamoxifen

10540-29-1sc-208414
2.5 g
$272.00
18
(2)

Tamoxifen is an agent in research used for breast cancer that can have ocular side effects, including inhibiting rhodopsin and causing vision issues.

Ethambutol

74-55-5sc-205684
sc-205684A
25 g
100 g
$412.00
$1161.00
1
(1)

Ethambutol can have adverse effects on vision, including the inhibition of rhodopsin function.

Lead

7439-92-1sc-250236
2 kg
$104.00
(0)

Lead poisoning can affect various organs, including the eyes, and may lead to rhodopsin inhibition and vision problems.

Tetracycline

60-54-8sc-205858
sc-205858A
sc-205858B
sc-205858C
sc-205858D
10 g
25 g
100 g
500 g
1 kg
$63.00
$94.00
$270.00
$417.00
$634.00
6
(1)

Some tetracycline antibiotics, when taken over a prolonged period, may inhibit rhodopsin function and cause visual disturbances.