Date published: 2025-11-1

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TAAR8 Inhibitors

TAAR8, or Trace Amine-Associated Receptor 8, is a member of a class of G protein-coupled receptors (GPCRs) that are engaged by naturally occurring trace amines. These receptors are distributed throughout the central nervous system and peripheral tissues and are implicated in modulating various physiological processes. TAAR8, in particular, has been observed to have a distinct expression profile and is thought to play a role in modulating immune and neurological functions. The expression of TAAR8, like other receptors in its family, is subject to regulation at the genetic level, where certain factors can either increase or decrease its production. The exact mechanisms governing the expression of TAAR8, as well as its full range of physiological functions, remain areas of active research. Nevertheless, the modulation of TAAR8 expression is a subject of interest due to its potential involvement in a variety of biological pathways.

In the context of biochemical research, a variety of chemicals have been identified that could potentially inhibit the expression of TAAR8. These inhibitors may act through different mechanisms, targeting various stages of the receptor's expression pathway. For instance, certain compounds such as epigallocatechin gallate (EGCG) and resveratrol are noted for their ability to inhibit DNA methyltransferases and activate SIRT1, respectively. These actions can lead to alterations in the structure of chromatin that makes up the TAAR8 gene, thereby affecting its transcription rates. Other chemicals, like curcumin and sodium butyrate, might exert their inhibitory effects through the modulation of transcription factors and histone deacetylase, which also results in changes to TAAR8 expression. Compounds such as cannabidiol (CBD) and omega-3 fatty acids have been suggested to alter cell membrane dynamics or enzyme levels, which could lead to a downstream decrease in the expression of TAAR8. While these potential inhibitors operate through diverse biochemical pathways, their common goal is the modulation of TAAR8 expression, which can have significant consequences for the biological systems in which TAAR8 is active. It is important to note that the identification of these inhibitors is based on a theoretical understanding of their mechanisms and requires further empirical research to substantiate their effects on TAAR8.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

(−)-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
$42.00
$72.00
$124.00
$238.00
$520.00
$1234.00
11
(1)

Epigallocatechin Gallate may downregulate TAAR8 by inhibiting DNA methyltransferases, potentially leading to the hypomethylation of the TAAR8 promoter region and subsequent transcriptional suppression.

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
$36.00
$68.00
$107.00
$214.00
$234.00
$862.00
$1968.00
47
(1)

Curcumin could decrease TAAR8 expression by suppressing NF-κB signaling, which may reduce the transcriptional activity of genes involved in GPCR expression including TAAR8.

Capsaicin

404-86-4sc-3577
sc-3577C
sc-3577D
sc-3577A
50 mg
250 mg
500 mg
1 g
$94.00
$173.00
$255.00
$423.00
26
(1)

Capsaicin may attenuate TAAR8 expression by activating TRPV1, which could trigger a cascade of events leading to the suppression of cyclic AMP, a secondary messenger involved in the expression of certain GPCRs.

Resveratrol

501-36-0sc-200808
sc-200808A
sc-200808B
100 mg
500 mg
5 g
$60.00
$185.00
$365.00
64
(2)

Resveratrol could inhibit TAAR8 by activating SIRT1, which may lead to the deacetylation of transcription factors or co-regulators controlling TAAR8 gene expression.

Caffeine

58-08-2sc-202514
sc-202514A
sc-202514B
sc-202514C
sc-202514D
5 g
100 g
250 g
1 kg
5 kg
$32.00
$66.00
$95.00
$188.00
$760.00
13
(1)

Caffeine may suppress TAAR8 by competitively inhibiting adenosine receptors, which could lead to reduced activation of adenylate cyclase and lower levels of cyclic AMP, a key molecule in the transcriptional regulation of GPCRs.

Sodium Butyrate

156-54-7sc-202341
sc-202341B
sc-202341A
sc-202341C
250 mg
5 g
25 g
500 g
$30.00
$46.00
$82.00
$218.00
19
(3)

Sodium butyrate may decrease TAAR8 expression by inhibiting histone deacetylase, leading to a more condensed chromatin structure around the TAAR8 gene, making it less accessible for transcription.

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$65.00
$319.00
$575.00
$998.00
28
(1)

Retinoic acid could downregulate TAAR8 by binding to retinoic acid receptors that heterodimerize with retinoid X receptors, which then bind to retinoic acid response elements in the TAAR8 promoter region, suppressing its transcription.

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
$150.00
$286.00
$479.00
$1299.00
$8299.00
$915.00
22
(1)

DL-Sulforaphane may attenuate TAAR8 expression by activating the transcription factor NRF2, which then induces antioxidant response element-mediated transcription of detoxifying enzymes, potentially leading to the suppression of TAAR8 expression through cellular defense mechanisms.

Lithium

7439-93-2sc-252954
50 g
$214.00
(0)

Lithium may reduce TAAR8 expression by inhibiting glycogen synthase kinase 3 (GSK-3), leading to the stabilization of β-catenin, which could disrupt Wnt/β-catenin signaling pathways involved in the regulation of GPCR gene expression including TAAR8.

Docosa-4Z,7Z,10Z,13Z,16Z,19Z-hexaenoic Acid (22:6, n-3)

6217-54-5sc-200768
sc-200768A
sc-200768B
sc-200768C
sc-200768D
100 mg
1 g
10 g
50 g
100 g
$92.00
$206.00
$1744.00
$7864.00
$16330.00
11
(1)

DHA might inhibit TAAR8 by altering the lipid raft composition at the cell membrane, which could lead to alterations in GPCR localization and function, thereby reducing GPCR expression including that of TAAR8.