Date published: 2026-2-14

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OR10A3 Inhibitors

OR10A3 inhibitors encompass a variety of chemical entities that act upon different components of the cellular signaling machinery to indirectly suppress the activity of the OR10A3 olfactory receptor. These inhibitors target a range of pathways and processes that are integral to OR10A3 function, focusing on altering intracellular calcium dynamics, second messenger systems, and receptor phosphorylation states. Compounds like calcium gluconate and verapamil alter the balance of calcium ions, either by supplementing calcium to induce desensitization or by blocking calcium channels to prevent receptor activation. Agents such as quinine and chloroquine act on ion channels and vesicular pH, respectively, which are essential for GPCR function. Chloroquine's ability to interfere with vesicular trafficking and pH can disrupt the OR10A3 signaling cascade, while quinine's blockade of CNG channels prevents ion flow crucial for receptor activation. Furthermore, Gö 6983 and 2-APB specifically inhibit key enzymes and receptors, like PKC and IP3 receptors, which play a pivotal role in the phosphorylation events and calcium signaling necessary for OR10A3 function. Decreased phosphorylation of OR10A3 or reduced calcium release from intracellular stores can lead to a significant decrease in the receptor's ability to detect and respond to odorant molecules.

Items 1 to 10 of 11 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Verapamil

52-53-9sc-507373
1 g
$374.00
(0)

Verapamil is an L-type calcium channel blocker that can decrease intracellular calcium levels. Low calcium levels could inhibit OR10A3 indirectly by disrupting the calcium-dependent activation process required for proper receptor function.

Diltiazem

42399-41-7sc-204726
sc-204726A
1 g
5 g
$209.00
$464.00
4
(1)

Diltiazem, another calcium channel blocker, specifically targets cardiac tissue but can also decrease intracellular calcium in other cell types. This reduction might inhibit OR10A3 activation in olfactory sensory neurons by reducing receptor sensitivity to odorant molecules.

Quinine

130-95-0sc-212616
sc-212616A
sc-212616B
sc-212616C
sc-212616D
1 g
5 g
10 g
25 g
50 g
$79.00
$104.00
$166.00
$354.00
$572.00
1
(0)

Quinine is a known inhibitor of cyclic nucleotide-gated (CNG) channels, which play a critical role in olfactory signal transduction. Inhibition of CNG channels could prevent the activation of the OR10A3 receptor by blocking the necessary ion flow.

Chloroquine

54-05-7sc-507304
250 mg
$69.00
2
(0)

Chloroquine can raise the pH of acidic vesicles within cells and potentially interfere with G-protein coupled receptor (GPCR) function, including OR10A3, by impeding the receptor's ability to interact with its signaling cascade.

Carbachol

51-83-2sc-202092
sc-202092A
sc-202092C
sc-202092D
sc-202092B
sc-202092E
1 g
10 g
25 g
50 g
100 g
250 g
$122.00
$281.00
$388.00
$683.00
$1428.00
$3060.00
12
(2)

Carbachol is a cholinergic agonist that can activate muscarinic receptors, leading to increased intracellular calcium. This rise in calcium levels could subsequently inhibit OR10A3 through a negative feedback mechanism that desensitizes olfactory receptors.

Cadmium chloride, anhydrous

10108-64-2sc-252533
sc-252533A
sc-252533B
10 g
50 g
500 g
$56.00
$183.00
$352.00
1
(1)

Cadmium chloride can inhibit calcium channels and calcium-dependent enzymes. By reducing calcium signaling, it may indirectly inhibit OR10A3 activity in olfactory sensory neurons.

Ibuprofen

15687-27-1sc-200534
sc-200534A
1 g
5 g
$53.00
$88.00
6
(0)

Ibuprofen can inhibit cyclooxygenase enzymes (COX), which are part of the inflammatory response pathway. By reducing prostaglandin synthesis, it can potentially interfere with OR10A3 function, as prostaglandins can modulate GPCR activity.

Zinc

7440-66-6sc-213177
100 g
$48.00
(0)

Zinc gluconate provides zinc ions, which can interfere with GPCR signaling and ion channel function. Excess zinc can disrupt olfactory receptor function, including OR10A3, by altering receptor conformation or signaling.

Sodium azide

26628-22-8sc-208393
sc-208393B
sc-208393C
sc-208393D
sc-208393A
25 g
250 g
1 kg
2.5 kg
100 g
$43.00
$155.00
$393.00
$862.00
$90.00
8
(2)

Sodium azide inhibits cytochrome c oxidase in the mitochondrial electron transport chain, leading to decreased ATP production. Low ATP levels can impair the phosphorylation-dependent processes required for OR10A3 receptor activation and signaling.

Gö 6983

133053-19-7sc-203432
sc-203432A
sc-203432B
1 mg
5 mg
10 mg
$105.00
$299.00
$474.00
15
(1)

Gö 6983 is a protein kinase C (PKC) inhibitor. PKC is involved in phosphorylation events that regulate GPCR function, including OR10A3. Inhibition of PKC can decrease OR10A3 receptor phosphorylation, leading to reduced receptor activity.