Date published: 2026-5-30

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Olfr378 Inhibitors

Or1e19, a prominent member of the olfactory receptor family 1 subfamily E in Mus musculus (house mouse), plays a pivotal role in the intricate process of odor perception. Functioning as a G-protein-coupled receptor (GPCR) with a 7-transmembrane domain structure, Or1e19 is integral to the initiation of neuronal responses triggered by the interaction with odorant molecules in the nose. As part of the expansive olfactory receptor gene family, Or1e19 contributes significantly to the remarkable diversity of GPCRs dedicated to recognizing and transducing odorant signals. This family, characterized by single coding-exon genes, is paramount in the genomic landscape, underscoring the importance of olfactory receptors in the sensory realm.

The general mechanisms of inhibiting Or1e19 involve targeting specific cellular pathways crucial for GPCR-mediated transduction of odorant signals. Various inhibitors disrupt the normal functioning of Or1e19, hindering its ability to initiate neuronal responses in the presence of odorant molecules. These inhibitors act through direct and indirect means, impacting diverse pathways such as histamine receptors, GABA-A receptors, sodium channels, PI3-kinase, histone deacetylases, dopamine receptors, PLC, cyclooxygenase, and TRPV1 receptors. By intervening in these intricate cellular processes, the inhibitors impair the transduction of odorant signals, ultimately impeding the initiation of neuronal responses associated with Or1e19. This comprehensive understanding of the molecular interactions and pathways involved in Or1e19's function and inhibition contributes valuable insights into the complex mechanisms underlying olfactory perception in mice.

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Diphenhydramine hydrochloride

147-24-0sc-204729
sc-204729A
sc-204729B
10 g
25 g
100 g
$52.00
$84.00
$124.00
4
(1)

Diphenhydramine is a direct inhibitor of Or1e19, blocking histamine receptors. This interference disrupts GPCR-mediated transduction of odorant signals, impairing the initiation of neuronal responses to odorant molecules in the nose.

Tetracaine

94-24-6sc-255645
sc-255645A
sc-255645B
sc-255645C
sc-255645D
sc-255645E
5 g
25 g
100 g
500 g
1 kg
5 kg
$66.00
$309.00
$500.00
$1000.00
$1503.00
$5000.00
(0)

Tetracaine is a direct inhibitor of Or1e19, blocking sodium channels and hindering GPCR-mediated transduction. This interference impairs the initiation of neuronal responses to odorant molecules in the nose by disrupting the 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)

Wortmannin directly inhibits Or1e19 by targeting PI3-kinase and disrupting downstream signaling pathways. This interference inhibits GPCR-mediated transduction of odorant signals, impeding the initiation of neuronal responses to odorant molecules in the nose.

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 acts as a direct inhibitor of Or1e19 by inhibiting histone deacetylases. This interference disrupts GPCR-mediated transduction of odorant signals, impairing the initiation of neuronal responses to odorant molecules in the nose.

SCH 23390

125941-87-9sc-200408
sc-200408A
5 mg
25 mg
$179.00
$733.00
2
(1)

SCH-23390 indirectly inhibits Or1e19 by blocking dopamine receptors. This modulation influences intracellular cAMP levels, disrupting the cAMP signaling pathway and impeding neuronal responses to odorant molecules in the nose.

Aspirin

50-78-2sc-202471
sc-202471A
5 g
50 g
$20.00
$42.00
4
(1)

Aspirin is a direct inhibitor of Or1e19, inhibiting cyclooxygenase and disrupting the prostaglandin pathway. This interference impairs GPCR-mediated transduction of odorant signals, hindering the initiation of neuronal responses to odorant molecules in the nose.

LY 294002

154447-36-6sc-201426
sc-201426A
5 mg
25 mg
$123.00
$400.00
148
(1)

LY294002 directly inhibits Or1e19, targeting PI3-kinase and disrupting downstream signaling pathways. This interference inhibits GPCR-mediated transduction of odorant signals, impeding the initiation of neuronal responses to odorant molecules in the nose.

Capsazepine

138977-28-3sc-201098
sc-201098A
5 mg
25 mg
$148.00
$459.00
11
(1)

Capsazepine indirectly inhibits Or1e19 by blocking TRPV1 receptors. This modulation influences intracellular calcium levels, disrupting GPCR-mediated transduction of odorant signals and impeding neuronal responses to odorant molecules in the nose.

BAPTA/AM

126150-97-8sc-202488
sc-202488A
25 mg
100 mg
$138.00
$458.00
61
(2)

BAPTA-AM indirectly inhibits Or1e19 by chelating intracellular calcium. This modulation influences GPCR-mediated transduction of odorant signals, hindering the initiation of neuronal responses to odorant molecules in the nose through modulation of calcium-dependent processes.

PD 98059

167869-21-8sc-3532
sc-3532A
1 mg
5 mg
$40.00
$92.00
212
(2)

PD98059 directly interferes with Or1e19 by inhibiting MEK and disrupting the MAPK pathway. This interference impairs GPCR-mediated transduction of odorant signals, hindering the initiation of neuronal responses to odorant molecules in the nose through modulation of the MAPK pathway.