Date published: 2026-4-1

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EG546488 Activators

Or6c5b, a member of the olfactory receptor family 6 subfamily C, plays a crucial role in the olfactory system by interacting with odorant molecules, initiating neuronal responses, and ultimately leading to the perception of specific smells. As a G-protein-coupled receptor (GPCR), Or6c5b shares a structural domain with neurotransmitter and hormone receptors, contributing to the extensive diversity within the olfactory receptor gene family, the largest in the genome. Activation of Or6c5b involves a complex interplay of signaling pathways and cellular processes. The identified chemicals, acting as direct or indirect activators, target specific mechanisms to influence Or6c5b expression. Retinoic Acid, for instance, directly up-regulates Or6c5b by binding to retinoic acid response elements, enhancing olfactory signal transduction. Forskolin and 8-Br-cAMP stimulate the cAMP-PKA pathway, positively modulating Or6c5b expression and intensifying odorant perception.

Inhibition of PKA by H89 negatively impacts Or6c5b, highlighting the regulatory role of PKA in olfactory receptor function. Indirect modulators like BAPTA-AM, Wortmannin, and U0126 disrupt intracellular calcium dynamics or key kinase activities, influencing Or6c5b expression through related pathways. The interconnected nature of PI3K-Akt signaling, targeted by LY294002, also indirectly regulates Or6c5b, emphasizing the complexity of olfactory receptor activation. Hemin, through the heme-HO-CO pathway, represents a novel mechanism for indirect modulation, while GW5074 targets the Ras-Raf-MEK-ERK pathway to impact Or6c5b expression. A23187 and SQ22536 influence intracellular calcium levels and adenylate cyclase activity, respectively, contributing to the indirect modulation of Or6c5b. In summary, Or6c5b activation involves a sophisticated network of signaling pathways influenced by specific chemicals. Understanding these interactions provides valuable insights into the intricate regulation of olfactory receptor function, contributing to our comprehension of odorant perception at the molecular level.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$66.00
$325.00
$587.00
$1018.00
28
(1)

Retinoic Acid acts as a ligand for nuclear receptors, influencing the RAR/RXR pathway. It directly up-regulates Or6c5b expression by binding to retinoic acid response elements in its promoter region, enhancing olfactory signal transduction via GPCR-mediated pathways.

8-Bromo-cAMP

76939-46-3sc-201564
sc-201564A
10 mg
50 mg
$126.00
$328.00
30
(1)

8-Br-cAMP, a cAMP analog, directly activates PKA, positively modulating Or6c5b expression. This chemical enhances olfactory signal transduction by promoting the cAMP-PKA pathway, resulting in the up-regulation of the target protein and intensified odorant perception.

BAPTA/AM

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

BAPTA-AM chelates intracellular calcium, affecting Ca2+-dependent signaling. Disruption of Ca2+ homeostasis indirectly modulates Or6c5b by influencing downstream pathways. Altered intracellular calcium dynamics contribute to the regulation of olfactory receptor activation.

Wortmannin

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

Wortmannin inhibits PI3-kinase, impacting the PI3K-Akt pathway. This inhibition indirectly affects Or6c5b, suggesting a potential role for the PI3K-Akt cascade in modulating olfactory receptor function. Wortmannin-induced changes contribute to enhanced olfactory perception.

U-0126

109511-58-2sc-222395
sc-222395A
1 mg
5 mg
$64.00
$246.00
136
(2)

U0126 inhibits MEK, a kinase in the MAPK pathway. This inhibition modulates downstream targets, potentially including Or6c5b. The MAPK pathway's involvement in olfactory signal transduction implies an indirect regulatory role for U0126 in modulating the target protein's expression.

LY 294002

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

LY294002 inhibits PI3-kinase, influencing the PI3K-Akt pathway. Indirect modulation of Or6c5b occurs through disrupted PI3K-Akt signaling, highlighting the interconnected nature of these pathways in regulating olfactory receptor activation and odorant perception.

Hemin chloride

16009-13-5sc-202646
sc-202646A
sc-202646B
5 g
10 g
25 g
$102.00
$160.00
$326.00
9
(1)

Hemin activates heme oxygenase, producing carbon monoxide (CO). CO serves as a signaling molecule, potentially influencing Or6c5b expression. The heme-HO-CO pathway represents a novel mechanism for indirect modulation of olfactory receptor activity, contributing to enhanced odor perception.

GW 5074

220904-83-6sc-200639
sc-200639A
5 mg
25 mg
$106.00
$417.00
10
(1)

GW5074 inhibits Raf-1 kinase, affecting the Ras-Raf-MEK-ERK pathway. This inhibition indirectly impacts Or6c5b, suggesting a role for the Ras-Raf-MEK-ERK cascade in modulating olfactory signal transduction. GW5074-induced changes contribute to the up-regulation of the target protein.

A23187

52665-69-7sc-3591
sc-3591B
sc-3591A
sc-3591C
1 mg
5 mg
10 mg
25 mg
$55.00
$131.00
$203.00
$317.00
23
(1)

A23187 induces intracellular calcium release, affecting Ca2+-dependent signaling. Altered calcium dynamics indirectly modulate Or6c5b expression, suggesting a role for Ca2+ signaling in regulating olfactory receptor activation and enhancing the perception of specific odorants.

SQ 22536

17318-31-9sc-201572
sc-201572A
5 mg
25 mg
$95.00
$363.00
13
(1)

SQ22536 inhibits adenylate cyclase, decreasing cAMP levels. Reduced cAMP signaling negatively impacts Or6c5b, indicating a regulatory role for adenylate cyclase in olfactory receptor function. SQ22536-induced suppression represents an indirect modulator of Or6c5b.