Date published: 2025-12-24

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OR10G4 Inhibitors

OR10G4 Inhibitors encompass a range of compounds that influence pathways or biological processes directly involved in the function of OR10G4. Diphenhydramine and other histamine receptor antagonists can inhibit the histamine-induced calcium signaling that might be part of OR10G4's functional repertoire. Calcium channel blockers like verapamil, nifedipine, and diltiazem can lower intracellular calcium levels, which are crucial for the activation and signaling of many GPCRs, including OR10G4. The reduced calcium availability within the cell can impede OR10G4's ability to engage in normal signaling activities. Moreover, omega-3 fatty acids such as eicosapentaenoic acid can incorporate into cell membranes and modify the biophysical properties that are essential for GPCR functionality, potentially leading to a decrease in OR10G4 activity. Inhibition of key enzymes in signaling cascades, such as phospholipase C by U73122 or protein kinase C by chelerythrine, may interrupt the usual signaling processes that OR10G4 participates in. By preventing the production of secondary messengers like IP3 and DAG or inhibiting the phosphorylation of downstream targets by PKC, these inhibitors could reduce OR10G4's signaling efficacy. G-protein signaling is essential for GPCR function, and compounds like GDP-beta-S inhibit G-proteins, which are crucial for OR10G4 signal transduction. Pertussis toxin, which targets Gi/Go proteins, could also modulate OR10G4 signaling by affecting the regulation of adenylate cyclase activity and altering cAMP levels.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Diphenhydramine hydrochloride

147-24-0sc-204729
sc-204729A
sc-204729B
10 g
25 g
100 g
$51.00
$82.00
$122.00
4
(1)

Diphenhydramine is an H1 histamine receptor antagonist that can reduce intracellular calcium signaling. OR10G4 is postulated to be involved in calcium-mediated neuronal signaling; by decreasing histamine-induced calcium influx, diphenhydramine may indirectly inhibit OR10G4's activity.

Verapamil

52-53-9sc-507373
1 g
$367.00
(0)

Verapamil is a calcium channel blocker that can impede the entry of calcium into cells. Since OR10G4 is implicated in calcium-dependent signaling pathways, verapamil's reduction of intracellular calcium can indirectly inhibit OR10G4 function.

Nifedipine

21829-25-4sc-3589
sc-3589A
1 g
5 g
$58.00
$170.00
15
(1)

Nifedipine is another calcium channel blocker that acts on L-type calcium channels. By decreasing calcium availability within the cell, nifedipine could suppress OR10G4-associated calcium signaling cascades.

Reserpine

50-55-5sc-203370
sc-203370A
1 g
5 g
$134.00
$406.00
1
(2)

Reserpine functions as an inhibitor of vesicular monoamine transporters, affecting neurotransmitter release. This could indirectly diminish OR10G4 activity by altering neurotransmitter levels and receptor-mediated signaling.

Diltiazem

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

Diltiazem is a benzothiazepine that blocks calcium channels. Similar to verapamil and nifedipine, by reducing calcium levels in the cell, it may indirectly inhibit the calcium-dependent signaling of OR10G4.

Chelerythrine

34316-15-9sc-507380
100 mg
$540.00
(0)

Chelerythrine is a potent inhibitor of protein kinase C (PKC), which is involved in GPCR signaling pathways. Inhibiting PKC can disrupt downstream signaling from OR10G4.

SQ 22536

17318-31-9sc-201572
sc-201572A
5 mg
25 mg
$93.00
$356.00
13
(1)

SQ22536 is an adenylyl cyclase inhibitor that prevents the conversion of ATP to cAMP. With decreased cAMP levels, the signaling cascades involving OR10G4 can be inhibited.

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$76.00
$150.00
$725.00
$1385.00
$2050.00
73
(3)

Forskolin is known to increase cAMP levels, but paradoxically, it can desensitize GPCR responses through cAMP-dependent protein kinase (PKA) activation, which may result in a long-term inhibition of OR10G4 signaling.

Pertussis Toxin (islet-activating protein)

70323-44-3sc-200837
50 µg
$442.00
3
(1)

Pertussis toxin irreversibly inactivates Gi/Go proteins. If OR10G4 signals through Gi/Go proteins, this would prevent OR10G4-mediated inhibition of adenylate cyclase, thus potentially decreasing OR10G4 signaling.