Date published: 2025-12-18

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OR10G9 Inhibitors

OR10G9 inhibitors encompass a group of compounds that through various mechanisms can lead to the inhibition of the functional activity of the OR10G9 protein. Local anesthetics like lidocaine work by blocking voltage-gated sodium channels, which are essential for initiating and propagating action potentials in neurons. The suppression of these action potentials leads to decreased neuronal excitability, which can result in the reduced activity of OR10G9. Similarly, alkaloids like quinine, which inhibit voltage-gated potassium channels, can affect the repolarization phase of the action potential, potentially decreasing the frequency of action potentials in OR10G9-expressing neurons and thus diminishing OR10G9 activity. On the other hand, calcium channel inhibitors such as ruthenium red and ω-conotoxin can decrease calcium influx or suppress neurotransmitter release, respectively. Both actions would lead to a reduction in neuronal activity, which in turn could decrease OR10G9 signaling. Notably, the GABA_A receptor antagonist bicuculline could paradoxically lead to decreased OR10G9 activity by causing desensitizationof OR10G9-expressing neurons due to sustained activity. TRPV1 antagonists like capsazepine may also indirectly inhibit OR10G9 by reducing modulatory neuropeptide signaling, which is crucial for sensory neuron function. Similarly, sodium channel blockers such as saxitoxin and tetrodotoxin prevent action potentials, leading to diminished neuronal excitability, which directly translates to decreased OR10G9 activity. The selective inhibition of TRPC4/TRPC5 channels by compounds like ML204 and the blocking of L-type calcium channels by nifedipine reduce calcium-dependent excitation of neurons, which could result in reduced OR10G9 activity.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Lidocaine

137-58-6sc-204056
sc-204056A
50 mg
1 g
$50.00
$128.00
(0)

A local anesthetic and sodium channel blocker that inhibits voltage-gated sodium channels (Nav). By blocking Nav channels, lidocaine can suppress the action potentials in neurons, including those that express OR10G9, leading to reduced neuronal excitability and decreased OR10G9 activity.

Quinine

130-95-0sc-212616
sc-212616A
sc-212616B
sc-212616C
sc-212616D
1 g
5 g
10 g
25 g
50 g
$77.00
$102.00
$163.00
$347.00
$561.00
1
(0)

An alkaloid that acts as a non-selective inhibitor of voltage-gated potassium channels. The inhibition of these channels by quinine can alter the repolarization phase of action potentials, potentially decreasing the frequency of action potentials in neurons expressing OR10G9.

Ruthenium red

11103-72-3sc-202328
sc-202328A
500 mg
1 g
$184.00
$245.00
13
(1)

An inhibitor of various calcium channels, including voltage-gated and intracellular calcium channels. By limiting calcium influx, ruthenium red can decrease the activity of neurons, thus reducing OR10G9 signaling due to decreased neuronal excitability.

(+)-Bicuculline

485-49-4sc-202498
sc-202498A
50 mg
250 mg
$80.00
$275.00
(1)

A GABA_A receptor antagonist that blocks inhibitory neurotransmission mediated by GABA. By preventing GABA-induced inhibition, bicuculline can increase neuronal activity nonspecifically, but in the context of OR10G9, it could lead to the desensitization of OR10G9-expressing neurons due to sustained activity.

Capsazepine

138977-28-3sc-201098
sc-201098A
5 mg
25 mg
$145.00
$450.00
11
(1)

A TRPV1 antagonist that can block capsaicin-induced activation of TRPV1. By inhibiting TRPV1, capsazepine can reduce neuropeptide release from sensory neurons, potentially diminishing the activity of OR10G9 by reducing modulatory neuropeptide signaling.

Ethosuximide

77-67-8sc-211431
1 g
$300.00
(0)

Primarily known as an antiepileptic drug that blocks T-type calcium channels. By reducing the activity of these channels, ethosuximide can diminish thalamic neuron oscillations, which may indirectly decrease OR10G9 signaling in the olfactory system.

Riluzole

1744-22-5sc-201081
sc-201081A
sc-201081B
sc-201081C
20 mg
100 mg
1 g
25 g
$20.00
$189.00
$209.00
$311.00
1
(1)

A drug that inhibits glutamatergic neurotransmission and modulates sodium channels. Riluzole's action can decrease excitatory neurotransmission and may lead to a reduction in OR10G9 activity by decreasing the overall excitability of neurons.