Date published: 2026-4-1

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Olfr44 Inhibitors

Olfr44, a member of the olfactory receptor family, plays a central role in the initiation of neuronal responses that lead to the perception of smell by interacting with odorant molecules in the nose. As a G-protein-coupled receptor (GPCR) with a 7-transmembrane domain structure, Olfr44 is integral to the recognition and G protein-mediated transduction of odorant signals, contributing to the complexity of the olfactory receptor gene family, the largest in the genome.

The inhibition of Olfr44 involves a diverse array of mechanisms, featuring both direct and indirect inhibitors that offer a nuanced approach to disrupting its function in odorant signal transduction. Direct inhibitors, such as Flupirtine and Ro 31-8220, target Olfr44's structure, hindering its ability to transduce signals effectively. Indirect inhibitors like KN-93 and Disulfiram modulate various cellular pathways, including intracellular calcium levels, cyclic nucleotide signaling, and protein kinase activities, all crucial for the proper functioning of Olfr44. These inhibitors collectively provide valuable insights into the intricate molecular processes underlying olfactory perception. Experimental validation of these mechanisms is essential for advancing our understanding of Olfr44 and its potential applications in olfactory research.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Flupirtine Maleate

75507-68-5sc-218512
10 mg
$103.00
1
(1)

Direct inhibitor binding to Olfr44, 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.

KN-93

139298-40-1sc-202199
1 mg
$182.00
25
(1)

Modulator of intracellular calcium levels, indirectly inhibiting Olfr44 by influencing calcium-dependent events in the olfactory signaling cascade, essential for the proper transduction of odorant signals.

Cilostazol

73963-72-1sc-201182
sc-201182A
10 mg
50 mg
$109.00
$322.00
3
(1)

Inhibitor affecting olfactory receptor desensitization mechanisms, indirectly influencing Olfr44 by prolonging its responsiveness to odorant stimuli and affecting the overall perception of smell.

Ro 31-8220

138489-18-6sc-200619
sc-200619A
1 mg
5 mg
$92.00
$245.00
17
(1)

Inhibitor of protein kinase C (PKC) pathways associated with Olfr44, disrupting the downstream events crucial for the proper transduction of odorant signals and subsequent neuronal responses.

Disulfiram

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

Modulator of olfactory-related intracellular cAMP levels, indirectly influencing Olfr44 function by altering cyclic nucleotide signaling and intracellular processes essential for the transduction of odorant signals.

Nifedipine

21829-25-4sc-3589
sc-3589A
1 g
5 g
$59.00
$173.00
15
(1)

Inhibitor targeting specific ion channels associated with Olfr44, disrupting the proper ion flux crucial for efficient G protein-mediated transduction of odorant signals.

Wortmannin

19545-26-7sc-3505
sc-3505A
sc-3505B
1 mg
5 mg
20 mg
$67.00
$223.00
$425.00
97
(3)

Inhibitor affecting the phosphoinositide 3-kinase (PI3K) pathway in Olfr44 signaling, disrupting the phosphorylation events essential for efficient G protein-mediated transduction of odorant signals.

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)

Inhibitor targeting specific G protein subtypes involved in Olfr44 signaling, disrupting the downstream events crucial for the proper transduction of odorant signals.

EGTA

67-42-5sc-3593
sc-3593A
sc-3593B
sc-3593C
sc-3593D
1 g
10 g
100 g
250 g
1 kg
$21.00
$65.00
$120.00
$251.00
$815.00
23
(1)

Modulator of intracellular calcium levels, indirectly influencing Olfr44 by disrupting calcium-dependent events in the olfactory signaling cascade, essential for the proper transduction of odorant signals.

Bisindolylmaleimide I (GF 109203X)

133052-90-1sc-24003A
sc-24003
1 mg
5 mg
$105.00
$242.00
36
(1)

Inhibitor of protein kinase C (PKC) pathways associated with Olfr44, disrupting the downstream events crucial for the proper transduction of odorant signals and subsequent neuronal responses.