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Pathways Recommended:	Membrane Transporter/Ion Channel

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guinea pig brain membranes

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By Targets:	CGRP Receptor (1) mAChR (2) Opioid Receptor (3) Reference Standards (2) Sigma Receptor (6)
By Research Areas:	Endocrinology (1) Inflammation/Immunology (2) Neurological Disease (8)

Inhibitors & Agonists

Biochemical Assay Reagents

Peptides

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-13510

Cutamesine dihydrochloride 5+ Cited Publications SA4503 dihydrochloride; AGY94806 dihydrochloride	Sigma Receptor	Neurological Disease
Cutamesine (SA4503) dihydrochloride is a potent and selective sigma 1 receptor agonist with an IC₅₀ of 17.4 nM in guinea pig brain membranes. Cutamesine dihydrochloride shows >100-fold less affinity for the sigma 2 receptor (IC₅₀ of 1784 nM). Cutamesine dihydrochloride has antidepressant effects .

HY-B1055

Pentoxyverine citrate Carbetapentane citrate	Sigma Receptor mAChR	Neurological Disease Inflammation/Immunology
Pentoxyverine (Carbetapentane) citrate is an orally active and blood-brain barrier permeability sigma-1 receptor agonist, with K_is of 41 nM, 894 nM and 75 nM for σ1, σ2 and guinea-pig brain membrane σ1, respectively. Pentoxyverine citrate is a muscarinic antagonist. Pentoxyverine citrate is a potent antitussive, anticonvulsant, and spasmolytic agent. Pentoxyverine citrate can be used for inhibiting bronchial interceptor, weakening of cough reflex, bronchial smooth muscle relaxation and reduction of airway resistance .

HY-90002

4-Phenylpiperidine	Sigma Receptor	Neurological Disease
4-Phenylpiperidine is a σ receptor ligand with a K_i value of 1980 nM for guinea pig σ receptors. 4-Phenylpiperidine binds to σ receptors. 4-Phenylpiperidine is used in psychiatric disease research .

HY-14813

Cutamesine 5+ Cited Publications SA4503; AGY 94806	Sigma Receptor	Neurological Disease
Cutamesine (SA4503) is a potent and selective sigma 1 receptor agonist with an IC₅₀ of 17.4 nM in guinea pig brain membranes. Cutamesine shows >100-fold less affinity for the sigma 2 receptor (IC₅₀ of 1784 nM). Cutamesine has antidepressant effects .

HY-169867

BNTX 7-Benzylidenenaltrexone	Opioid Receptor	Neurological Disease
BNTX (7-Benzylidenenaltrexone) is a highly selective δ1 opioid receptor antagonist. BNTX selectively antagonizes the antinociceptive activity mediated by spinal δ₁ opioid receptors, and does not alter the antinociceptive effects mediated by δ₂, μ or κ opioid receptors at selective doses .

HY-13510R

Cutamesine dihydrochloride (Standard) SA4503 dihydrochloride (Standard); AGY94806 dihydrochloride (Standard)	Sigma Receptor Reference Standards	Neurological Disease
Cutamesine dihydrochloride (Standard) is the analytical standard of Cutamesine dihydrochloride. This product is intended for research and analytical applications. Cutamesine dihydrochloride (SA4503 dihydrochloride; AGY94806 dihydrochloride) is a potent Sigma 1 receptor agonist with an IC50 of 17.4 nM in guinea pig brain membranes.

HY-P2601A

Tyr-α-CGRP (human) TFA	CGRP Receptor	Others
Tyr-α-CGRP (human) TFA is an N-terminally extended human α-CGRP analog. Tyr-α-CGRP (human) TFA can bind to membrane preparations from rat brain and spleen with IC₅₀ values of 0.2 nM and 0.5 nM, respectively, and induce positive chronotropic and inotropic effects in isolated guinea pig right and left atria with EC₅₀ values of 282 nM and 74 nM, respectively. Tyr-α-CGRP (human) TFA also inhibits contractile responses in rat vas deferens with an EC₅₀ value of 1.9 nM .

HY-B1055R

Pentoxyverine citrate (Standard) Carbetapentane citrate (Standard)	Reference Standards Sigma Receptor mAChR	Neurological Disease Inflammation/Immunology
Pentoxyverine (citrate) (Standard) is the analytical standard of Pentoxyverine (citrate). This product is intended for research and analytical applications. Pentoxyverine (Carbetapentane) citrate is an orally active sigma-1 receptor agonist, with Kis of 41 nM, 894 nM and 75 nM for σ1, σ2 and guinea-pig brain membrane σ1, respectively. Pentoxyverine citrate is a muscarinic antagonist. Pentoxyverine citrate is a potent antitussive, anticonvulsant, and spasmolytic agent. Pentoxyverine citrate can be used for inhibiting bronchial interceptor, weakening of cough reflex, bronchial smooth muscle relaxation and reduction of airway resistance [4].

HY-182563

Tyr-Ala-N-(1,3-dimethylbutyl)glycinamide	Opioid Receptor	Endocrinology
Tyr-Ala-N-(1,3-dimethylbutyl)glycinamide is a μ/δ opioid receptor ligand with high μ opioid receptor selectivity and agonist activity. Tyr-Ala-N-(1,3-dimethylbutyl)glycinamide has an IC₅₀ of 237 nM for μ receptors and 1050 nM for δ receptors. Tyr-Ala-N-(1,3-dimethylbutyl)glycinamide shows K_i values of 17 nM for μ receptors and 480 nM for δ receptors. Tyr-Ala-N-(1,3-dimethylbutyl)glycinamide inhibits electrically evoked contractions of guinea pig ileum and mouse vas deferens. Tyr-Ala-N-(1,3-dimethylbutyl)glycinamide serves as a starting compound for structure-activity relationship investigations of μ receptor recognition .

HY-125790

Cyclazocine	Opioid Receptor	Neurological Disease
Cyclazocine is a μ, δ, and κ opioid receptor modulator with K_i values of 0.32, 1.1, and 0.18 nM, respectively. Cyclazocine exhibits "mixed" pharmacological activities, acting as a μ-partial antagonist, κ-agonist, and low-affinity δ ligand. Cyclazocine shows antinociceptive activity in mice. Cyclazocine can be used in studies on psychoactive substance addiction .

4-Phenylpiperidine	Biochemical Assay Reagents
4-Phenylpiperidine is a σ receptor ligand with a K_i value of 1980 nM for guinea pig σ receptors. 4-Phenylpiperidine binds to σ receptors. 4-Phenylpiperidine is used in psychiatric disease research .

Cat. No.	Product Name	Target	Research Area

HY-P2601A

Tyr-α-CGRP (human) TFA	CGRP Receptor	Others
Tyr-α-CGRP (human) TFA is an N-terminally extended human α-CGRP analog. Tyr-α-CGRP (human) TFA can bind to membrane preparations from rat brain and spleen with IC₅₀ values of 0.2 nM and 0.5 nM, respectively, and induce positive chronotropic and inotropic effects in isolated guinea pig right and left atria with EC₅₀ values of 282 nM and 74 nM, respectively. Tyr-α-CGRP (human) TFA also inhibits contractile responses in rat vas deferens with an EC₅₀ value of 1.9 nM .

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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