Date published: 2026-4-1

1-800-457-3801

SCBT Portrait Logo
Seach Input

Olfr438 Inhibitors

Olfr438, a member of the olfactory receptor family, serves a pivotal role in initiating the neuronal response responsible for the perception of smell through the interaction with odorant molecules in the nose. As a G-protein-coupled receptor (GPCR) with a distinctive 7-transmembrane domain structure, Olfr438 is integral to the recognition and G protein-mediated transduction of odorant signals, contributing to the vast complexity of the olfactory receptor gene family, the largest in the genome.

The inhibition of Olfr438 involves a diverse array of mechanisms, including both direct and indirect inhibitors, offering a nuanced approach to disrupting its function in odorant signal transduction. Direct inhibitors such as Picrotoxin and Gallein target the receptor's structure, hindering its ability to transduce signals effectively. Indirect inhibitors like Rimonabant and Thioridazine modulate various cellular pathways, such as cyclic nucleotide signaling, intracellular calcium levels, and downstream kinase activities, all crucial for the proper functioning of Olfr438. These inhibitors collectively provide valuable insights into the intricate molecular processes underlying olfactory perception. Experimental validation of these mechanisms is crucial for advancing our understanding of Olfr438 and its potential applications in olfactory research.

SEE ALSO...

Items 1 to 10 of 12 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Picrotoxin

124-87-8sc-202765
sc-202765A
sc-202765B
1 g
5 g
25 g
$67.00
$286.00
$1326.00
11
(3)

Direct inhibitor binding to Olfr438, disrupting its 7-transmembrane domain structure and impeding G protein-mediated transduction of odorant signals. This compound hinders the initiation of neuronal responses crucial for the perception of smell.

Rimonabant

168273-06-1sc-205491
sc-205491A
5 mg
10 mg
$73.00
$163.00
15
(1)

Modulator of olfactory-related intracellular cAMP levels, indirectly influencing Olfr438 function by altering cyclic nucleotide signaling and intracellular processes essential for the transduction of odorant signals.

Thioridazine

50-52-2sc-473180
50 mg
$500.00
(0)

Inhibitor affecting olfactory receptor desensitization mechanisms, indirectly influencing Olfr438 by prolonging its responsiveness to odorant stimuli and affecting the overall perception of smell.

Gallein

2103-64-2sc-202631
50 mg
$85.00
20
(1)

Inhibitor targeting specific G protein subtypes involved in Olfr438 signaling, disrupting the downstream events crucial for the proper transduction of odorant signals and subsequent neuronal responses.

Dantrolene

7261-97-4sc-500165
25 mg
$350.00
7
(0)

Modulator of intracellular calcium levels, indirectly inhibiting Olfr438 by influencing calcium-dependent events in the olfactory signaling cascade, essential for the proper transduction of odorant signals.

Rolipram

61413-54-5sc-3563
sc-3563A
5 mg
50 mg
$77.00
$216.00
18
(1)

Inhibitor of the cAMP-dependent protein kinase (PKA) pathway associated with Olfr438, affecting the phosphorylation events crucial for G protein-mediated transduction of odorant signals.

SK&F 96365

130495-35-1sc-201475
sc-201475B
sc-201475A
sc-201475C
5 mg
10 mg
25 mg
50 mg
$103.00
$158.00
$397.00
$656.00
2
(1)

Modulator of intracellular calcium levels, indirectly influencing Olfr438 by disrupting calcium-dependent events in the olfactory signaling cascade, essential for the proper transduction of odorant signals.

5-(N-Ethyl-N-isopropyl)-Amiloride

1154-25-2sc-202458
5 mg
$104.00
20
(1)

Inhibitor targeting specific ion channels associated with Olfr438, disrupting the proper ion flux crucial for efficient G protein-mediated transduction of odorant signals.

YM 254890

568580-02-9sc-507356
1 mg
$510.00
(0)

Inhibitor affecting olfactory receptor recycling pathways, indirectly inhibiting Olfr438 function by interfering with the proper membrane localization and turnover of the receptor protein.

KT5823

126643-37-6sc-3534
sc-3534A
sc-3534B
100 µg
1 mg
5 mg
$182.00
$1228.00
$4895.00
21
(1)

Inhibitor of a specific downstream kinase in the Olfr438 signaling cascade, disrupting the phosphorylation events essential for efficient G protein-mediated transduction of odorant signals.