Date published: 2025-12-24

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OR1I1 Inhibitors

OR1I1 inhibitors encompass a range of chemical compounds that interact with various signaling pathways to influence the function of OR1I1, a G protein-coupled receptor (GPCR). These inhibitors can act at different points in the signaling cascade that ultimately controls the activity of OR1I1. For instance, hydrocortisone and propranolol target gene expression and cAMP levels, respectively, both of which are upstream regulators of GPCR function. By influencing these elements, they can lead to a reduction in OR1I1 signaling. Hydrocortisone may decrease the expression of OR1I1 itself, while propranolol may affect the receptor's ability to initiate downstream signals through cAMP-dependent pathways. Pertussis toxin and cholera toxin directly manipulate the G proteins that are crucial for GPCR signaling. Pertussis toxin's inhibition of Gi/o proteins can disrupt OR1I1's capacity to signal through pathways that typically inhibit adenylate cyclase, thereby dampening receptor activity. Conversely, cholera toxin's activation of Gs proteins can increase cAMP, leading to receptor desensitization and decreased OR1I1 activity over time.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Hydrocortisone

50-23-7sc-300810
5 g
$100.00
6
(1)

Glucocorticoid receptor agonist that translocates to the nucleus and downregulates the expression of many genes, including some GPCRs. If OR1I1 expression is regulated by glucocorticoid-responsive elements, hydrocortisone can lead to decreased OR1I1 expression and function.

Propranolol

525-66-6sc-507425
100 mg
$180.00
(0)

Non-selective beta-adrenergic receptor antagonist that can decrease cyclic AMP levels, which in turn may reduce the activity of protein kinase A (PKA). Since PKA can phosphorylate and regulate GPCRs, propranolol may lead to reduced phosphorylation and inhibition of OR1I1.

Pertussis Toxin (islet-activating protein)

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

Inactivates Gi/o proteins by ADP-ribosylation, potentially reducing the inhibitory regulation of adenylate cyclase. If OR1I1 signaling involves Gi/o-mediated pathways, pertussis toxin can lead to its functional inhibition.

Clozapine

5786-21-0sc-200402
sc-200402A
50 mg
500 mg
$68.00
$357.00
11
(1)

Antipsychotic that binds to numerous neurotransmitter receptors, including some GPCRs, and can decrease cAMP levels indirectly. This action may lead to the inhibition of OR1I1 if it is coupled to cAMP pathways.

Suramin sodium

129-46-4sc-507209
sc-507209F
sc-507209A
sc-507209B
sc-507209C
sc-507209D
sc-507209E
50 mg
100 mg
250 mg
1 g
10 g
25 g
50 g
$149.00
$210.00
$714.00
$2550.00
$10750.00
$21410.00
$40290.00
5
(1)

P2 purinergic receptor antagonist that can block ATP-induced signaling. If OR1I1 interacts with purinergic signaling, suramin can inhibit its function.

Mibefradil dihydrochloride

116666-63-8sc-204083
sc-204083A
10 mg
50 mg
$209.00
$848.00
4
(1)

T-type calcium channel blocker that reduces calcium influx, potentially affecting calcium-dependent signaling pathways. If OR1I1 signaling is calcium-dependent, mibefradil can inhibit OR1I1 activity.

Losartan

114798-26-4sc-353662
100 mg
$127.00
18
(1)

Angiotensin II receptor type 1 antagonist that can inhibit Gq protein signaling, potentially affecting GPCR function. If OR1I1 is regulated by Gq-mediated pathways, losartan can inhibit OR1I1 activity.