Date published: 2026-4-1

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Olfr558 Inhibitors

Olfr558 is a gene that encodes a protein belonging to the olfactory receptor family, a group recognized for their pivotal role in the detection of odorants, thus facilitating the sense of smell. These receptors are integral to the function of the olfactory system, which is primarily located in the nasal epithelium and is responsible for the identification and discrimination of countless aromatic compounds. The protein encoded by Olfr558 is one of the numerous G-protein-coupled receptors (GPCRs) that translate chemical signals from the environment into cellular responses within the olfactory sensory neurons. The expression of Olfr558, like other olfactory receptors, is a highly regulated process, and perturbations in its expression can have implications for how organisms perceive their olfactory environment.

The regulation of gene expression, such as that of Olfr558, can be influenced by a myriad of chemical compounds that interact with cellular mechanisms. For instance, compounds that affect DNA methylation, such as 5-Azacytidine, could downregulate the expression of Olfr558 by causing hypomethylation at its gene locus, leading to chromatin remodeling that suppresses gene transcription. On the other hand, molecules like Trichostatin A, a known histone deacetylase inhibitor, could promote a more open chromatin structure around the Olfr558 gene, potentially resulting in decreased expression. Additionally, some compounds may act post-transcriptionally to affect mRNA stability or translation efficiency, thereby modulating the levels of Olfr558 protein synthesized. It's important to underscore that while these compounds have been identified based on their known interactions with cellular biochemistry, their specific effects on Olfr558 expression would necessitate rigorous empirical investigation. The intricate nature of gene expression regulation underscores the potential for diverse chemical entities to influence the expression of genes such as Olfr558 through a range of direct or indirect mechanisms.

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Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

5-Azacytidine

320-67-2sc-221003
500 mg
$280.00
4
(1)

By inhibiting DNA methyltransferases, 5-Azacytidine could decrease methylation on the Olfr558 gene, leading to its transcriptional repression.

Trichostatin A

58880-19-6sc-3511
sc-3511A
sc-3511B
sc-3511C
sc-3511D
1 mg
5 mg
10 mg
25 mg
50 mg
$152.00
$479.00
$632.00
$1223.00
$2132.00
33
(3)

Trichostatin A can directly inhibit histone deacetylases, leading to a more open chromatin state and potential transcriptional silencing of Olfr558.

Actinomycin D

50-76-0sc-200906
sc-200906A
sc-200906B
sc-200906C
sc-200906D
5 mg
25 mg
100 mg
1 g
10 g
$74.00
$243.00
$731.00
$2572.00
$21848.00
53
(3)

Actinomycin D binds to DNA and obstructs the elongation phase of RNA polymerase, which could reduce overall mRNA synthesis including that of Olfr558.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

Rapamycin selectively binds to mTOR complex 1 (mTORC1) and could diminish protein synthesis, potentially curtailing the production of Olfr558.

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 could attenuate the transcription of Olfr558 by stabilizing the nuclear factor erythroid 2-related factor 2 (NRF2), leading to the downregulation of genes not associated with antioxidant response.

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 might suppress the activation of transcription factors such as NF-κB, which could lead to a decrease in transcriptional activity of the Olfr558 gene.

Resveratrol

501-36-0sc-200808
sc-200808A
sc-200808B
100 mg
500 mg
5 g
$80.00
$220.00
$460.00
64
(2)

Resveratrol can activate sirtuin 1, which in turn may deacetylate histones at the Olfr558 gene locus, resulting in transcriptional downregulation.

Chloroquine

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

Chloroquine disrupts lysosomal function and could alter the cellular environment, leading to a decrease in transcription factor activity for genes like Olfr558.

D,L-Sulforaphane

4478-93-7sc-207495A
sc-207495B
sc-207495C
sc-207495
sc-207495E
sc-207495D
5 mg
10 mg
25 mg
1 g
10 g
250 mg
$153.00
$292.00
$489.00
$1325.00
$8465.00
$933.00
22
(1)

DL-Sulforaphane could interfere with histone deacetylase activity, potentially silencing the expression of genes such as Olfr558 through epigenetic modifications.

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 binds to retinoic acid receptors which could repress transcriptional activity of certain genes, including the potential downregulation of Olfr558.