Date published: 2026-4-1

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Olfr42 Inhibitors

The Olfr42 olfactory receptor, a prominent member of the G-protein-coupled receptor (GPCR) family, plays a crucial role in initiating neuronal responses essential for perceiving smells. With its 7-transmembrane domain structure, Olfr42 is responsible for the recognition and G protein-mediated transduction of odorant signals. As a key component of the largest olfactory receptor gene family, Olfr42 contributes significantly to the complex landscape of olfactory perception.

The inhibition of Olfr42 involves a sophisticated interplay of direct and indirect mechanisms. Direct inhibitors, such as menthol, isoeugenol, camphor, citronellal, and geraniol, act by binding to Olfr42 and disrupting its 7-transmembrane domain structure. This interference impedes the receptor's ability to transduce odorant signals through G protein-mediated pathways, resulting in the inhibition of olfactory perception. On the other hand, indirect inhibitors, including limonene, linalool, eugenol, thymol, vanillin, and carvacrol, modulate the cyclic nucleotide signaling pathway associated with Olfr42. Their influence on this pathway leads to altered G protein-mediated transduction of odorant signals, indirectly inhibiting the olfactory receptor's function. This diverse array of inhibitors offers a comprehensive approach to disrupting Olfr42's role in odor recognition, providing avenues for experimental exploration and validation of these inhibition mechanisms. Experimental validation is crucial to confirming the efficacy of these inhibitors in practice and further unraveling the intricacies of olfactory signal transduction mediated by Olfr42.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

(−)-Menthol

2216-51-5sc-202705
sc-202705A
1 g
50 g
$20.00
$41.00
2
(1)

Menthol serves as a direct inhibitor, binding to Olfr42 and disrupting its 7-transmembrane domain structure. This interference impedes the receptor's ability to transduce odorant signals through G protein-mediated pathways, resulting in the inhibition of olfactory perception.

D-Limonene

5989-27-5sc-205283
sc-205283A
100 ml
500 ml
$84.00
$129.00
3
(1)

Limonene acts as an indirect inhibitor by modulating the cyclic nucleotide signaling pathway associated with Olfr42. Its influence on this pathway leads to altered G protein-mediated transduction of odorant signals, indirectly inhibiting the olfactory receptor's function.

Isoeugenol

97-54-1sc-250186
sc-250186A
5 g
100 g
$63.00
$53.00
(0)

Isoeugenol functions as a direct inhibitor, binding to Olfr42 and disrupting its 7-transmembrane domain structure. This interference impedes the receptor's ability to transduce odorant signals through G protein-mediated pathways, resulting in the inhibition of olfactory perception.

Linalool

78-70-6sc-250250
sc-250250A
sc-250250B
5 g
100 g
500 g
$47.00
$72.00
$110.00
(0)

Linalool acts as an indirect inhibitor by modulating the cyclic nucleotide signaling pathway associated with Olfr42. Its influence on this pathway leads to altered G protein-mediated transduction of odorant signals, indirectly inhibiting the olfactory receptor's function.

Eugenol

97-53-0sc-203043
sc-203043A
sc-203043B
1 g
100 g
500 g
$32.00
$62.00
$218.00
2
(1)

Eugenol acts as an indirect inhibitor by modulating the cyclic nucleotide signaling pathway associated with Olfr42. Its influence on this pathway leads to altered G protein-mediated transduction of odorant signals, indirectly inhibiting the olfactory receptor's function.

(±)-Citronellal

106-23-0sc-234400
100 ml
$51.00
(0)

Citronellal functions as a direct inhibitor, binding to Olfr42 and disrupting its 7-transmembrane domain structure. This interference impedes the receptor's ability to transduce odorant signals through G protein-mediated pathways, resulting in the inhibition of olfactory perception.

Thymol

89-83-8sc-215984
sc-215984A
100 g
500 g
$97.00
$193.00
3
(0)

Thymol acts as an indirect inhibitor by modulating the cyclic nucleotide signaling pathway associated with Olfr42. Its influence on this pathway leads to altered G protein-mediated transduction of odorant signals, indirectly inhibiting the olfactory receptor's function.

Vanillin

121-33-5sc-251423
sc-251423A
100 g
500 g
$44.00
$124.00
1
(1)

Vanillin serves as a direct inhibitor, binding to Olfr42 and disrupting its 7-transmembrane domain structure. This interference impedes the receptor's ability to transduce odorant signals through G protein-mediated pathways, resulting in the inhibition of olfactory perception.

Geraniol

106-24-1sc-235242
sc-235242A
25 g
100 g
$45.00
$119.00
(0)

Geraniol functions as a direct inhibitor, binding to Olfr42 and disrupting its 7-transmembrane domain structure. This interference impedes the receptor's ability to transduce odorant signals through G protein-mediated pathways, resulting in the inhibition of olfactory perception.

Citral

5392-40-5sc-252620
1 kg
$212.00
(1)

Citral acts as an indirect inhibitor by modulating the cyclic nucleotide signaling pathway associated with Olfr42. Its influence on this pathway leads to altered G protein-mediated transduction of odorant signals, indirectly inhibiting the olfactory receptor's function.