Date published: 2026-1-12

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GPR113 Inhibitors

GPR113 Inhibitors represent a specialized class of chemical compounds designed to selectively inhibit the activity of the G protein-coupled receptor 113 (GPR113). GPR113 is part of the large and diverse family of G protein-coupled receptors (GPCRs), which play crucial roles in transmitting signals from outside the cell to the inside, influencing a wide range of physiological processes. Although GPR113 is categorized under orphan receptors, meaning its endogenous ligand and precise physiological functions are not fully established, it is known to be involved in various signaling pathways that contribute to cellular communication and regulation. By inhibiting GPR113, researchers can study the receptor's function more closely, providing insights into its role in signal transduction and how it interacts with other cellular mechanisms. The development and use of GPR113 Inhibitors are important for advancing our understanding of GPCR biology, particularly for those receptors with less well-defined roles. GPCRs are implicated in numerous fundamental cellular processes, including sensory perception, immune response, and metabolic regulation. Therefore, inhibitors of specific receptors like GPR113 allow scientists to explore the nuanced regulatory functions these proteins may have in different tissues and systems. Additionally, GPR113 Inhibitors offer a valuable tool for dissecting the signaling pathways associated with this receptor, enabling detailed investigations into how GPR113 modulates cellular responses to external stimuli. Through such studies, researchers can contribute to a broader understanding of GPCR functionality, including the identification of previously unrecognized roles for orphan receptors like GPR113 in maintaining cellular homeostasis and responding to environmental changes. This exploration enriches the field of cellular signaling and helps map the complex networks of communication that underpin biological systems.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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
$152.00
$214.00
$728.00
$2601.00
$10965.00
$21838.00
$41096.00
5
(1)

Suramin antagonizes G protein-coupled receptor (GPCR) signaling by blocking G protein interactions, thereby directly inhibiting downstream signaling of GPR113.

YM 254890

568580-02-9sc-507356
1 mg
$510.00
(0)

YM-254890 is a selective Gq inhibitor; since GPR113 is coupled with Gq protein for its signaling, this chemical inhibits GPR113 function by blocking its primary signaling pathway.

Gö 6983

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

Go 6983 is a protein kinase C (PKC) inhibitor. PKC is downstream of Gq-coupled receptor activation; thus, Go 6983 inhibits GPR113 by hindering the activity of PKC that would be stimulated by GPR113 activation.

Pertussis Toxin (islet-activating protein)

70323-44-3sc-200837
50 µg
$451.00
3
(1)

Pertussis Toxin inhibits Gi/o protein signaling. If GPR113 couples with Gi/o proteins, Pertussis Toxin would inhibit GPR113 functional responses mediated by such coupling.

NF 023

104869-31-0sc-204124
sc-204124A
10 mg
50 mg
$161.00
$629.00
1
(1)

NF023 is a selective antagonist of P2X purinoceptor, which can inhibit GPR113 if GPR113's function is dependent on ATP release and subsequent P2X receptor activation, as it would impede the downstream signaling cascade.

L-NG-Nitroarginine Methyl Ester (L-NAME)

51298-62-5sc-200333
sc-200333A
sc-200333B
1 g
5 g
25 g
$48.00
$107.00
$328.00
45
(1)

L-NAME inhibits nitric oxide synthase (NOS). If GPR113 functionally requires nitric oxide (NO) for its signaling process, inhibition of NOS by L-NAME would inhibit GPR113 signaling.

Losartan

114798-26-4sc-353662
100 mg
$130.00
18
(1)

Losartan is an angiotensin II receptor antagonist. It can inhibit GPR113 if the signaling of GPR113 is dependent on angiotensin II receptor activation as part of its signaling cascade.

Y-27632, free base

146986-50-7sc-3536
sc-3536A
5 mg
50 mg
$186.00
$707.00
88
(1)

Y-27632 inhibits ROCK (Rho-associated kinase). If GPR113 signaling involves the Rho/ROCK pathway, inhibition of this kinase would impede downstream signaling of GPR113.