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Sigma

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Sigma Receptor (168) 5-HT Receptor (13) Adenylate Cyclase (1) Adrenergic Receptor (6) Akt (3) Amyloid-β (2) Antibiotic (2) Apoptosis (18) ATF6 (2) ATP Synthase (1) Autophagy (2) Bacterial (6) Biochemical Assay Reagents (2) Calcium Channel (2) Caspase (1) Cholinesterase (ChE) (2) COX (1) Cytochrome P450 (1) DNA/RNA Synthesis (6) Dopamine Receptor (16) Dopamine Transporter (2) Drug Intermediate (2) Endogenous Metabolite (1) ERK (2) Estrogen Receptor/ERR (2) Ferroptosis (1) Fungal (1) GABA Receptor (6) Histamine Receptor (11) IAP (1) iGluR (10) Interleukin Related (1) Isotope-Labeled Compounds (6) Liposome (1) mAChR (12) Molecular Glues (1) Monoamine Oxidase (2) NF-κB (7) NO Synthase (4) Opioid Receptor (12) Orexin Receptor (OX Receptor) (1) P-glycoprotein (1) p38 MAPK (1) Parasite (1) Phosphatase (3) Phospholipase (1) PI3K (1) Potassium Channel (2) PPAR (6) Proteasome (1) Reference Standards (22) SARS-CoV (5) Serotonin Transporter (1) SHP2 (1) Sodium Channel (1) Tau Protein (1) TNF Receptor (1) TRP Channel (3)
By Research Areas:	Cancer (42) Cardiovascular Disease (10) Endocrinology (1) Infection (13) Inflammation/Immunology (29) Metabolic Disease (7) Neurological Disease (149)
Oligonucleotides:	Pegylated Lipids (1)

209

Inhibitors & Agonists

Biochemical Assay Reagents

Peptides

Natural
Products

Recombinant Proteins

Isotope-Labeled Compounds

Antibodies

Oligonucleotides

Targets Recommended: Sigma Receptor

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-111669

Zervimesine 1 Publications Verification CT1812; Sigma-2 receptor antagonist 1	Sigma Receptor	Neurological Disease
Zervimesine (CT1812) is an orally active and brain penetrant *sigma-2* receptor antagonist with a K_i of 8.5 nM. Zervimesine can be used for the research of Alzheimer’s disease .

HY-101864

Blarcamesine hydrochloride 3 Publications Verification Anavex 2-73	Sigma Receptor	Neurological Disease Cancer
Blarcamesine hydrochloride (Anavex 2-73) is a Sigma-1 Receptor agonist with an IC₅₀ of 860 nM.

HY-105296

Blarcamesine 3 Publications Verification	Sigma Receptor mAChR	Cancer
Blarcamesine is an orally bioavailable Sigma-1 receptor agonist and muscarinic receptor modulator, with anticonvulsant, anti-amnesic, neuroprotective and antidepressant properties. Blarcamesine ameliorates neurologic impairments in a mouse model of Rett syndrome .

HY-118901

Opipramol Ensidon; G-33040	Sigma Receptor	Neurological Disease
Opipramol (Ensidon) is an atypical tricyclic antidepressant (TCA). Opipramol acts primarily as a sigma (σ) receptor agonist and can potently interact with sigma recognition sites with a K_i value of 50 nM. Opipramol can be used for the research of generalized anxiety disorder (GAD) .

HY-14221A

Siramesine hydrochloride 5 Publications Verification Lu 28-179 hydrochloride	Sigma Receptor Ferroptosis	Cancer
Siramesine (Lu 28-179) hydrochloride is a potent sigma-2 receptor agonist. Siramesine hydrochloride has a subnanomolar affinity for sigma-2 receptors (IC₅₀=0.12 nM) and exhibits a 140-fold selectivity for sigma-2 receptors over sigma-1 receptors (IC₅₀=17 nM). Siramesine hydrochloride triggers cell death through destabilisation of mitochondria, but not lysosomes. Anti-cancer activity .

HY-B2087

Glycerol phenylbutyrate 1 Publications Verification HPN-100	Sigma Receptor	Cardiovascular Disease
Glycerol phenylbutyrate is a **sigma-2 (σ2) receptor ligand, with a pK_i** of 8.02. Glycerol phenylbutyrate (GPB) is a new generation ammonia scavenger agent .

HY-18099

S1RA 3 Publications Verification E-52862	Sigma Receptor 5-HT Receptor	Neurological Disease
S1RA (E-52862) is a highly selective σ1 receptor (σ1R) antagonist with K_is of 17 nM and 23.5 nM for human σ1R and guinea pig σ1R, respectively. S1RA has Moderate antagonistic activity for human 5-HT_2B receptor (K_i= 328 nM). S1RA has antinociceptive effects in neuropathic pain models. S1RA prevents mechanical and cold hypersensitivity in Oxaliplatin (HY-17371)-treated mice .

HY-135608

BD-1008	Sigma Receptor	Neurological Disease
BD-1008 is a nonselective σ receptor antagonist with K_is against σ1 receptor and σ2 receptor of 2 nM and 8 nM. The BD-1008 has an extremely low affinity for the D2 receptor (K_i = 1112 nM) and dopamine transporter (DAT) (K_i > 10,000 nM). BD-1008 significantly antagonizes dopamine release in the shell region of the nucleus accumbens via the σ₂ receptor. BD-1008 blocks the self-administration behavior of σ agonists.BD-1008 can be used for the study of addiction therapy that target the σ receptor .

HY-B1216

Oxeladin citrate	Sigma Receptor	Cardiovascular Disease Others Neurological Disease
Oxeladin citrate is an orally active and brain-penetrant cough suppressant as well as a selective sigma 1 receptor agonist (K_i = 25 nM). Oxeladin can be used for pulmonary diseases and stroke research .

HY-14221

Siramesine 5 Publications Verification Lu 28-179	Sigma Receptor	Cancer
Siramesine (Lu 28-179) is a potent sigma-2 receptor agonist. Siramesine has a subnanomolar affinity for sigma-2 receptors (IC₅₀=0.12 nM) and exhibits a 140-fold selectivity for sigma-2 receptors over sigma-1 receptors (IC₅₀=17 nM). Siramesine triggers cell death through destabilisation of mitochondria, but not lysosomes. Anti-cancer activity .

HY-19469

Roluperidone 1 Publications Verification CYR-101; MIN-101; MT-210	5-HT Receptor Sigma Receptor	Neurological Disease
Roluperidone (CYR-101) is a novel cyclic amide derivative that has high equipotent affinities for 5-HT_2A and *sigma-2* receptors (K_i of 7.53 nM and 8.19 nM for 5-HT_2A and sigma-2, respectively).

HY-134004

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

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-18099A

S1RA hydrochloride 3 Publications Verification E-52862 hydrochloride	Sigma Receptor 5-HT Receptor	Neurological Disease
S1RA (E-52862) hydrochloride is an orally active and selective sigma-1 receptor (σ1R) antagonist with a K_i value of 17 nM. S1RA hydrochloride shows good selectivity against σ2R (K_i >1000 nM). S1RA hydrochloride is a human 5-HT2B receptor antagonist with an IC₅₀ value of 4.7 μM. S1RA hydrochloride inhibits neuropathic pain and activity-induced spinal sensitization .

HY-B1813A

(±)-Vesamicol hydrochloride 1 Publications Verification (±)-AH5183 hydrochloride	Sigma Receptor	Neurological Disease
(±)-Vesamicol hydrochloride ((±)-AH5183 hydrochloride) is a potent vesicular acetylcholine transport inhibitor with a K_i of 2 nM. (±)-Vesamicol hydrochloride also displays high affinity for σ1 and σ2 receptors with K_is of 26 nM and 34 nM, respectively .

HY-14218

Ditolylguanidine 2 Publications Verification 1,3-Di-o-tolylguanidine; DTG	Sigma Receptor	Neurological Disease
Ditolylguanidine (1,3-Di-o-tolylguanidine) is an agonist of sigma receptor (σ1/σ2 receptor) with K_i values of 69 and 21 nM for σ1 and σ2 receptors, respectively. Ditolylguanidine effectively inhibits the growth of small cell lung cancer cells. Ditolylguanidine can be used for the research of lung cancer .

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-125821

Sigma-1 receptor antagonist 1	Sigma Receptor	Neurological Disease
Sigma‑1 receptor antagonist 1 (compound 137) is a potent and selective **sigma-1 receptor (σ1R) antagonist, with a high binding affinity to σ1R receptor (K_i** = 1.06 nM). Sigma‑1 receptor antagonist 1 exhibits antineuropathic pain activity and acts as a promising agent for the treatment of neuropathic pain .

HY-10815

σ1 Receptor antagonist-1 1 Publications Verification	Sigma Receptor Apoptosis	Neurological Disease Cancer
σ1 Receptor antagonist-1 is a highly potent and selective sigma 1 receptor antagonist (pK_i=10.28). σ1 Receptor antagonist-1 inhibits cell growth, arrests cell cycle at G0/G1 phase and induces apoptosis of MCF-7/ADR cells .

HY-108512

PD 144418 1 Publications Verification	Sigma Receptor	Neurological Disease
PD 144418 is a highly affinity, potent and selective sigma 1 (σ1) receptor ligand (K_i values of 0.08 nM and 1377 nM for σ1 and σ2 respectively). PD 144418 devoids of any significant affinity for other receptors, ion channels and enzymes. PD 144418 shows potential antipsychotic activity .

HY-P5982

PTPσ Inhibitor, ISP	Phosphatase	Neurological Disease
PTPσ Inhibitor, ISP can bind to recombinant human PTPs and inhibits PTPσ signaling. PTPσ Inhibitor, ISP can penetrate the membrane and relieves the chondroitin sulfate proteoglycan (CSPG)-mediated axonal sprouting inhibition in spinal cord injury model. PTPσ Inhibitor, ISP enhances remyelination in LPC-induced demyelinated spinal cord. PTPσ Inhibitor, ISP also promotes oligodendrocyte progenitor cells (OPCs) migration, maturation, remyelination, and functional recovery in animal models of Multiple Sclerosis (MS) .

HY-100985

IPAG	Sigma Receptor	Cancer
IPAG is a potent sigma-1 receptor antagonist with a pK_i of 4.3 . IPAG induces apoptosis .

HY-117731

UKH-1114	Sigma Receptor	Neurological Disease
UKH-1114 is a selective TMEM97 (a sigma-2 receptor) agonist with a K_i values of 1279 and 46 nM for *σ1R* and σ2R/TMEM97, respectively. UKH-1114 exhibits exceptional selectivity with negligible affinity for over 50 other receptors and channels. UKH-1114 effectively relieves spared nerve injury (SNI)-induced mechanical hypersensitivity with a long-lasting duration and without motor impairment. UKH-1114 can be used for neuropathic pain research .

HY-125819

Sigma-1 receptor antagonist 2	Sigma Receptor	Neurological Disease
Sigma-1 receptor antagonist 2 is a potent and selective sigma 1 receptor (σ1 R) antagonist with K_is of 3.88 and 1288 nM for σ1 and σ2 receptor, respectively .

HY-125820

Sigma-1 receptor antagonist 3	Sigma Receptor Potassium Channel	Neurological Disease
Sigma-1 receptor antagonist 3 (compound135) is a potent and selective Sigma-1 (σ1) receptor antagonist with a K_i of 1.14 nM. Sigma-1 receptor antagonist 3 inhibits Human Ether-a-go-go-Related Gene (hERG) with an IC₅₀ of 1.54 μM. Sigma-1 receptor antagonist 3 has the potential for the neuropathic pain .

HY-108512A

PD 144418 oxalate 1 Publications Verification	Sigma Receptor	Neurological Disease
PD 144418 oxalate is a highly affinity, potent and selective sigma 1 (σ1) receptor ligand (K_i values of 0.08 nM and 1377 nM for σ1 and σ2 respectively). PD 144418 oxalate devoids of any significant affinity for other receptors, ion channels and enzymes. PD 144418 oxalate shows potential antipsychotic activity .

HY-124462

Trifluperidol hydrochloride R 2498	Sigma Receptor	Neurological Disease
Trifluperidol hydrochloride is a Sigma-1 receptor antagonist with a K_i value of 3.3 nM. Trifluperidol hydrochloride is used in the study of psychosis .

HY-116463

E1R	Sigma Receptor	Neurological Disease
E1R is a positive allosteric modulator of sigma-1 receptors (Sig1R PAM) with cognition-enhancing activity .

HY-116594A

OPC-14523 hydrochloride	Sigma Receptor 5-HT Receptor	Neurological Disease
OPC-14523 hydrochloride is an orally active *sigma* and 5-HT1A receptor agonist, with high affinity for sigma receptors (σ1/2 IC₅₀=47/56 nM), the 5-HT1A receptor (IC₅₀=2.3 nM), and the 5-HT transporter (IC₅₀=80 nM). OPC-14523 hydrochloride shows antidepressant-like activity .

HY-136280

Panamesine EMD 57445	Sigma Receptor	Neurological Disease
Panamesine (EMD 57445) is a sigma receptor ligand, which has a high affinity (IC₅₀ 6 nM) and selectivity for sigma binding sites. Panamesine is a potential atypical neuroleptic agent .

HY-N15339

Convolamine	Sigma Receptor	Neurological Disease
Convolamine is an alkaloid found in Convolvulus pluricaulis and an effective positive modulator of the *sigma-1* receptor (IC₅₀ = 289 nM), exhibiting cognitive and neuroprotective properties .

HY-B1733

Phenyltoloxamine Bistrimin; Histionex	Histamine Receptor Sigma Receptor Cytochrome P450	Neurological Disease Inflammation/Immunology
Phenyltoloxamine (Bistrimin) is an antihistamine agent with sedative and analgesic effects. Phenyltoloxamine also has potent Sigma-1 receptor binding affinity (K_i: 160 nM) .

HY-136281

DuP 734	Sigma Receptor	Neurological Disease
DuP 734 is a sigma receptor antagonist. DuP 734 is a selective and potent sigma and 5-HT2 receptor ligand with weak affinity for D2 receptors. DuP 734 may have antipsychotic activity without the liability of motor side effects typical of neuroleptics .

HY-175872

14-3-3σ/ERα stabilizer-2	Estrogen Receptor/ERR Molecular Glues	Others
14-3-3σ/ERα stabilizer-2 (Compound 41) is a covalent 14-3-3σ/ERα stabilizer with a K_d of 10.1 nM. 14-3-3σ/ERα stabilizer-2 significantly decreases the dissociation rate of ERα, stabilizing the binary ERα/14-3-3σ interaction. 14-3-3σ/ERα stabilizer-2 can be used for molecular glues research .

HY-47228

KB-5492 free base	Sigma Receptor	Inflammation/Immunology
KB-5492 free base is a potent and selective inhibitor of sigma receptor, inhibits specific [ ³H]1,3-di(2-tolyl)guanidine (DTG) binding to the sigma receptor with an IC₅₀ of 3.15 μM. KB-5492 free base is an anti-ulcer agent .

HY-100966

BD-1008 dihydrobromide	Sigma Receptor	Neurological Disease
BD-1008 dihydrobromide is a nonselective σ receptor antagonist with K_is against σ1 receptor and σ2 receptor of 2 nM and 8 nM. The BD-1008 dihydrobromide has an extremely low affinity for the D2 receptor (K_i = 1112 nM) and dopamine transporter (DAT) (K_i > 10,000 nM). BD-1008 dihydrobromide significantly antagonizes dopamine release in the shell region of the nucleus accumbens via the σ₂ receptor. BD-1008 dihydrobromide blocks the self-administration behavior of σ agonists.BD-1008 dihydrobromide can be used for the study of addiction therapy that target the σ receptor .

HY-177345

SV119	Sigma Receptor Apoptosis Caspase	Cancer
SV119 is a selective sigma-2 (σ₂) receptor ligand (K_i ≈ 5-10 nM). SV119 induces apoptosis in various human cancer cell lines by activating caspase-3 and promoting mitochondrial depolarization. SV119 can enhance the effects of chemotherapeutic agents such as Paclitaxel (HY-B0015), increasing their cytotoxicity against tumor cells. SV119 significantly inhibits tumor growth in mouse xenograft models, both alone and in combination. SV119 is useful in the research of cancers such as breast, prostate, and pancreatic cancer .

HY-155484

SOMCL-668	Sigma Receptor	Neurological Disease
SOMCL-668 is a selective and potent sigma-1 receptor allosteric modulator. ?SOMCL-668 shows positive modulation of improvement in social deficits and cognitive impairment induced by the selective sigma-1 agonist PRE084.?SOMCL-668 displays anti-seizure activities and can be used for psychotic illness research .

HY-176405

σ1R-IN-1	Sigma Receptor	Neurological Disease
σ1R-IN-1 ((R,R)-1a) is a potent *σ-1R* inhibitor with an IC₅₀ of 110 nM. σ1R-IN-1 is promising for research of neuropsychiatric disorders .

HY-131914A

EST64454 hydrochloride	Sigma Receptor	Neurological Disease
EST64454 hydrochloride is a selective and orally active sigma-1 receptor antagonist with a K_i of 22 nM. EST64454 hydrochloride has the potential for the research of the pain .

HY-172339

4-AcO-DALT hydrochloride 4-Acetoxy DALT hydrochloride	5-HT Receptor Adrenergic Receptor Dopamine Receptor Histamine Receptor mAChR Sigma Receptor	Neurological Disease
4-AcO-DALT hydrochloride is a tryptamine compound with psychoactive effects. 4-AcO-DALT hydrochloride inhibits 5-HT receptors, alpha receptors, dopamine receptors, histamine receptor 1 (H1), muscarinic M2 receptor and Sigma 2 receptor. 4-AcO-DALT hydrochloride shows K_i values of 582 nM, 2689 nM, 2099 nM, 2116 nM, 958 nM, 137 nM, 824 nM, 479 nM, 406 nM, 874 nM, 4190 nM, 482 nM, 214 nM, 803 nM, 4522 nM, 1907 nM for 5-HT1B, 5-HT1D, 5-HT1E, 5-HT2A, 5-HT2B, 5-HT2C, 5-HT6, 5-HT7A, H1, Sigma 2, α2A, α2B, α2C, D2, D3 receptors .

HY-153091

BMY 14802	Adrenergic Receptor 5-HT Receptor Sigma Receptor	Neurological Disease
BMY 14802 is a sigma-1 receptor (σ1R) antagonist, as well as an agonist at serotonin (5-HT) 1A and adrenergic alpha-1 receptors. BMY 14802 inhibits abnormal involuntary movement (AIM) in rat Parkinson's disease (PD) model, with down-regulating the expression of AIM .

HY-A0172

Captodiame Captodiamine	5-HT Receptor Dopamine Receptor Sigma Receptor	Neurological Disease
Captodiame (Captodiamine) is a 5-HT_2c receptor antagonist and *sigma-1* and D3 dopamine receptor agonist. Captodiame shows antidepressant effect .

HY-101626A

Sigma ligand-1 hydrochloride	Sigma Receptor	Neurological Disease
Sigma ligand-1 hydrochloride is a selective sigma receptor ligand with an IC₅₀s of 16 nM, 19 nM at the DTG site and the PPP site, respectively. Sigma ligand-1 hydrochloride has a K_i of 4000 nM at the dopamine D₂ receptor .

HY-101626

Sigma ligand-1	Sigma Receptor	Neurological Disease
Sigma ligand-1 is a selective sigma receptor ligand with an IC₅₀s of 16 nM, 19 nM at the DTG site and the PPP site, respectively. Sigma ligand-1 has a K_i of 4000 nM at the dopamine D₂ receptor .

HY-156124

Sigma-2 Radioligand 1	Sigma Receptor	Cancer
Sigma-2 Radioligand 1 (compound 1) is a Sigma-2 selective ligand. Sigma-2 Radioligand 1 has good biodistribution in mice and good in vivo activity in rats. [18F] Modified Sigma-2 Radioligand 1 for visualization of tumors in micro-PET/CT imaging, exhibiting high tumor uptake and tumor-to-background ratio. Experiments show that Sigma-2 Radioligand 1 binds highly specifically in U87MG glioma xenografts .

HY-169185

Sigma-2 Radioligand 2	Sigma Receptor	Cancer
Sigma-2 Radioligand 2 (compund 4) exhibits low nanomolar affinity (Ki(σ2)=2.30 nM) and high subtype selectivity (Ki(σ1)/Ki(σ2) > 1500) for the σ2 receptor .

HY-162759

Sigma-1 receptor antagonist 6	Sigma Receptor	Neurological Disease
Sigma-1 receptor antagonist 6 (Compound 12) is an antagonist of the Sigma-1 receptor (σ1R). Sigma-1 receptor antagonist 6 exerts a robust antiallodynic effect by antagonizing *σ1R. Sigma*-1 receptor antagonist 6 can be used in neuropathic pain animal models to alleviate mechanical allodynia induced by paclitaxel (HY-B0015) .

HY-174155

Sigma-2 Receptor ligand 1	Sigma Receptor	Neurological Disease
Sigma-2 Receptor ligand 1 (Compound 7i) is a highly selective Sigma-2 receptor ligand with a K_i value of 40 nM. Sigma-2 Receptor ligand 1 is promising for research of Alzheimer's disease .

HY-171647

RNAP-σ interaction inhibitor-1	DNA/RNA Synthesis Bacterial	Infection
RNAP-σ interaction inhibitor1 (compound 5d) is an inhibitor of RNA polymerase-sigma factors interaction. RNAP-σ interaction inhibitor-1 exhibits the activity against Streptococci with MIC values of 1-2 µg/mL .

Cat. No.	Product Name	Type

HY-90002

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 .

HY-155887

DSPE-PEG-Amine, MW 3400 ammonium

DSPE-PEG-NH2, MW 3400 ammonium

Biochemical Assay Reagents

DSPE-PEG-Amine (DSPE-PEG-NH2), MW 3400 ammonium is an amino-functionalized PEGylated phospholipid. It serves not only as a key component for preparing σ receptor-targeted liposomes (such as anisamide-modified lipids) but also as a starting material for synthesizing click chemistry- and tumor-targeted lipids including DSPE-PEG-DBCO (HY-155788) and DSPE-PEG2000-TCO (HY-170704). DSPE-PEG-Amine, MW 3400 ammonium effectively modulates the ζ potential of nanoparticles, enables complexation with nucleic acids or proteins to protect DNA from nuclease degradation, and supports ligand conjugation on the nanoparticle surface. It is used in studies related to DU-145 tumors, breast cancer, and other relevant research .

Cat. No.	Product Name	Target	Research Area

HY-P5982

PTPσ Inhibitor, ISP	Phosphatase	Neurological Disease
PTPσ Inhibitor, ISP can bind to recombinant human PTPs and inhibits PTPσ signaling. PTPσ Inhibitor, ISP can penetrate the membrane and relieves the chondroitin sulfate proteoglycan (CSPG)-mediated axonal sprouting inhibition in spinal cord injury model. PTPσ Inhibitor, ISP enhances remyelination in LPC-induced demyelinated spinal cord. PTPσ Inhibitor, ISP also promotes oligodendrocyte progenitor cells (OPCs) migration, maturation, remyelination, and functional recovery in animal models of Multiple Sclerosis (MS) .

HY-P1341

OXA(17-33) Orexin A (17-33) (human, mouse, rat, bovine)	Orexin Receptor (OX Receptor) Sigma Receptor Phospholipase	Neurological Disease
OXA (17-33) (Orexin A (17-33) (human, mouse, rat, bovine)) is the shortest active orexin peptide that selectively targets OX1 (EC₅₀=8.29 nM), with 23-fold selectivity for the OX1 receptor over the OX2 receptor. The activity of OXA (17-33) depends on the Tyr17, Leu20, Asn25, His26 residues and the spatial conformation of the α-helix. OXA (17-33) activates signaling pathways involving inositol-1,4,5-trisphosphate receptor (IP3R), phospholipase D (PL-D) and choline-Sigma-1R, thereby increasing the cytoplasmic Ca ²⁺ level in nucleus accumbens neurons, an effect that is blocked by Sigma-1R antagonists. OXA (17-33) serves as an important biological probe for investigating the function of the OX1 receptor. OXA (17-33) can be modified via incorporation of mixed disulfide bonds of homocysteine and cysteamine, and is widely used in studies related to insomnia and narcolepsy .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-113416

Dehydroepiandrosterone sulfate 5 Publications Verification DHEA sulfate; Prasterone sulfate	Human Gut Microbiota Metabolites Microorganisms Disease markers Endocrine diseases Nervous System Disorder Endogenous metabolite Source Classification	GABA Receptor Sigma Receptor iGluR PPAR NF-κB
Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-B0765

Dehydroepiandrosterone sulfate sodium 5 Publications Verification DHEA sulfate sodium; Prasterone sulfate sodium	Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Steroids Source Classification	GABA Receptor Sigma Receptor iGluR PPAR NF-κB
Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) sodium salt is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate sodium salt has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate sodium salt can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate sodium salt participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate sodium salt may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-13716

Noscapine 2 Publications Verification (S,R)-Noscapine	Alkaloids Neurological Disease Classification of Application Fields Quinoline Alkaloids Papaver somniferum Linn. Plants Inflammation/Immunology Disease Research Fields Papaveraceae Source Classification	Opioid Receptor Apoptosis
Noscapine ((S,R)-Noscapine) is an orally active phthalideisoquinoline alkaloid with potent antitussive. Noscapine exerts its antitussive effects by activating sigma opioid receptors and is a non-competitive Bradykinin inhibitor. Noscapine disrupts microtubule dynamics, induces mitotic arrest and apoptosis. Noscapine possesses anticancer, neuroprotective, anti-inflammatory activities, and can cross the blood-brain barrier .

HY-W196368

Thymohydroquinone	Structural Classification Nigella sativa L. Ranunculaceae Phenols Polyphenols Plants Source Classification	COX SARS-CoV
Thymohydroquinone is a COX-2 inhibitor and anti-SARS-CoV-2 agent that induces cytotoxicity, antiproliferative effects and inhibits tumor growth. Thymohydroquinone cannot scavenge superoxide radicals via σ (hydrogen atom transfer) and π-π attacks with superoxide anions. Thymohydroquinone can be used in research related to squamous cell carcinoma, fibrosarcoma and coronavirus disease 2019 (SARS-CoV-2 infection) .

HY-N15339

Convolamine	Alkaloids Convolvulus krauseanus Regel & Schmalh. Quinoline Alkaloids Plants Convolvulaceae Source Classification	Sigma Receptor
Convolamine is an alkaloid found in Convolvulus pluricaulis and an effective positive modulator of the *sigma-1* receptor (IC₅₀ = 289 nM), exhibiting cognitive and neuroprotective properties .

HY-113416R

Dehydroepiandrosterone sulfate (Standard) 1 Publications Verification DHEA sulfate (Standard); Prasterone sulfate (Standard)	Human Gut Microbiota Metabolites Microorganisms Disease markers Endocrine diseases Nervous System Disorder Endogenous metabolite Source Classification	Reference Standards GABA Receptor Sigma Receptor iGluR PPAR NF-κB
Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) (Standard) is the analytical standard of Dehydroepiandrosterone sulfate (HY-113416). This product is intended for research and analytical applications. Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-N7437

Akuammidine	Apocynaceae Alkaloids Piperidine Alkaloids Alstonia scholaris (L.) R. Br. Plants Indole Alkaloids Source Classification	Opioid Receptor DNA/RNA Synthesis
Akuammidine, isolated from the seeds of Picralima nitida, shows a preference for μ-opioid binding sites with K_i values of 0.6, 2.4 and 8.6 μM at μ-, σ- and κ-opioid binding sites, respectively. Akuammidine possesses anti-inflammatory and anti-asthmatic properties .

HY-N13798

ADHPE	Zingiber officinale Roscoe Phenols Polyphenols Plants Source Classification Zingiberaceae	NF-κB Biochemical Assay Reagents
ADHPE is a stabilizer of 14-3-3σ and p65 protein complex. ADHPE inhibits NF-κB (p65) signaling pathway and reduces the inflammatory response. ADHPE can be used for pediatric pneumonia-related acute lung injury and acute respiratory distress syndrome study .

HY-B0765R

Dehydroepiandrosterone sulfate sodium (Standard) DHEA sulfate sodium (Standard); Prasterone sulfate sodium (Standard)	Structural Classification Endogenous metabolite Steroids Source Classification	Reference Standards GABA Receptor Sigma Receptor iGluR PPAR NF-κB
Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) sodium salt (Standard) is the analytical standard of Dehydroepiandrosterone sulfate sodium salt (HY-B0765). This product is intended for research and analytical applications. Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-13716R

Noscapine (Standard) (S,R)-Noscapine (Standard)	Structural Classification Alkaloids Quinoline Alkaloids Papaver somniferum Linn. Plants Papaveraceae Source Classification	Reference Standards Opioid Receptor Apoptosis
Noscapine (Standard) is the analytical standard of Noscapine. This product is intended for research and analytical applications. Noscapine ((S,R)-Noscapine) is an orally active phthalideisoquinoline alkaloid with potent antitussive. Noscapine exerts its antitussive effects by activating sigma opioid receptors and is a non-competitive Bradykinin inhibitor. Noscapine disrupts microtubule dynamics, induces mitotic arrest and apoptosis. Noscapine possesses anticancer, neuroprotective, anti-inflammatory activities, and can cross the blood-brain barrier [4] .

HY-N15339A

Convolamine hydrochloride	Structural Classification Alkaloids Microorganisms Tropane Alkaloids Source Classification	Sigma Receptor
Convolamine hydrochloride is a tropane alkaloid and a potent *Sigma-1* receptor positive allosteric modulator with an IC₅₀ value of 289 nM. Convolamine hydrochloride can be extracted from Convolvulus plauricalis. Convolamine hydrochloride exhibits cognitive-improving and neuroprotective properties. Convolamine hydrochloride can be used in research related to Wolfram syndrome and Alzheimer's disease .

Species:	Human (3) Mouse (2)
Tag:	His (3) Tag Free (2) Myc (2)
Source:	HEK293 (1) Sf9 insect cells (1) E. coli (3)

Cat. No.	Compare	Product Name	Species	Source	Image

HY-P74438

	*14-3-3 sigma* Protein, Mouse** 14-3-3 protein Sigma; HME1; SFN; Stratifin; Mkrn3	Mouse	E. coli
	14-3-3 sigma proteins are adapter proteins in various signaling pathways that bind to phosphoserine or phosphothreonine motifs to regulate chaperone activity. When bound to KRT17, it stimulates the regulation of protein synthesis and cell growth through the Akt/mTOR pathway. 14-3-3 sigma Protein, Mouse is the recombinant mouse-derived 14-3-3 sigma protein, expressed by E. coli , with tag free.

HY-P705428

	PTPRS Protein, Mouse (sf9, His, Myc) Ptprs; Receptor-type tyrosine-protein phosphatase S; R-PTP-S; PTPNU-3; Receptor-type tyrosine-protein phosphatase Sigma (R-PTP-Sigma)	Mouse	Sf9 insect cells

HY-P71339

	Stratifin Protein, Human 1 Publications Verification 14-3-3 Protein Sigma; Epithelial Cell Marker Protein 1; Stratifin; SFN; HME1	Human	E. coli
	Stratifin (14-3-3 sigma), encoded by SFN, functions as a multifaceted adapter protein that binds to partners through phosphoserine or phosphothreonine motifs and participates in a variety of cellular processes. It regulates epithelial cell growth and protein synthesis through keratin 17 (KRT17), and may affect MDM2 autoubiquitination and activate p53. Stratifin Protein, Human is the recombinant mouse-derived Stratifin protein, expressed by E. coli , with tag free.

HY-P7473

	ADH7 Protein, Human (HEK293, His) rHuADH7, His; Alcohol dehydrogenase class 4 mu, Sigma chain; ADH-7	Human	HEK293
	ADH7 Protein, Human (HEK293, His) is human recombinant ADH7 with His tag at the C-terminus. ADH7 Protein, Human (HEK293, His) is expressed by Mammalian expression system and the target gene encoding Met1-Phe386 is expressed.

HY-P700308

	Stratifin Protein, Human (N-His, C-Myc) 14-3-3 Protein Sigma; Epithelial Cell Marker Protein 1; Stratifin; SFN; HME1	Human	E. coli
	Stratifin (14-3-3 sigma), encoded by SFN, functions as a multifaceted adapter protein that binds to partners through phosphoserine or phosphothreonine motifs and participates in a variety of cellular processes. It regulates epithelial cell growth and protein synthesis through keratin 17 (KRT17), and may affect MDM2 autoubiquitination and activate p53. Stratifin Protein, Human (N-His, C-Myc) is the recombinant human-derived Stratifin protein, expressed by E. coli , with N-10*His, C-Myc labeled tag.

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Cat. No.	Product Name	Chemical Structure

HY-141921S

Dehydroepiandrosterone sulfate sodium-d6

Dehydroepiandrosterone sulfate sodium salt-d₆ (DHEA sulfate sodium salt-d₆; Prasterone sulfate sodium salt-d₆) is the deuterium labeled Dehydroepiandrosterone sulfate sodium salt (HY-B0765). Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) sodium salt is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate sodium salt has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate sodium salt can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate sodium salt participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate sodium salt may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-113416AS

Dehydroepiandrosterone sulfate-d6 sodium dihydrate

Dehydroepiandrosterone sulfate sodium dihydrate-d₆ sodium dihydrate is the deuterium labeled Dehydroepiandrosterone sulfate sodium dihydrate. Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) sodium dihydrate is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate sodium dihydrate has both non-competitive antagonist activity of GABA_A receptor and agonist activity of σ₁ receptor. Dehydroepiandrosterone sulfate sodium dihydrate can partially penetrate the blood-brain barrier, inhibit GABA_A receptor-mediated chloride influx, enhance NMDA receptor activity through σ₁ receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate sodium dihydrate participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate sodium dihydrate may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality .

HY-100966S

BD-1008-d5 dihydrobromide

BD-1008-d₅ dihydrobromide is the deuterium labeled BD-1008 dihydrobromide (HY-100966). BD-1008 dihydrobromide is a nonselective σ receptor antagonist with K_is against σ1 receptor and σ2 receptor of 2 nM and 8 nM. The BD-1008 dihydrobromide has an extremely low affinity for the D2 receptor (K_i = 1112 nM) and dopamine transporter (DAT) (K_i > 10,000 nM). BD-1008 dihydrobromide significantly antagonizes dopamine release in the shell region of the nucleus accumbens via the σ₂ receptor. BD-1008 dihydrobromide blocks the self-administration behavior of σ agonists.BD-1008 dihydrobromide can be used for the study of addiction therapy that target the σ receptor .

HY-13716S

Noscapine-13C,d3

Noscapine- ¹³C,d₃ is a ¹³C- labeled and deuterated labeled Noscapine . Noscapine ((S,R)-Noscapine) is an orally active phthalideisoquinoline alkaloid with potent antitussive. Noscapine exerts its antitussive effects by activating sigma opioid receptors and is a non-competitive Bradykinin inhibitor. Noscapine disrupts microtubule dynamics, induces mitotic arrest and apoptosis. Noscapine possesses anticancer, neuroprotective, anti-inflammatory activities, and can cross the blood-brain barrier .

HY-W748758

(Z)-Thiothixene-d8

(Z)-Thiothixene-d₈ (NSC 108165-d₈; Navan-d₈; Navane-d₈) is the deuterium labeled Thiothixene (HY-A0139). Thiothixene is a typical antipsychotic. It selectively binds to dopamine D2 over D1, D3, and D4 receptors (Kis=0.417, 338, 186.2, and 363.1 nM, respectively). Thiothixene also binds to various serotonin (5-HT), histamine H1, α1- and α2-adrenergic, muscarinic acetylcholine, and sigma receptors (Kis=15-5,754 nM) as well as the dopamine, norepinephrine, and serotonin transporters (Kis=3.16-30 μM). In vivo, thiothixene reduces spontaneous and amphetamine-induced locomotor activity in rats. It enhances latent inhibition, as measured by a decreased lick latency in response to light and foot shock stimuli, which is a measure of selective attention in rats.3 Thiothixene also increases competitive behavior in submissive mice, indicating antidepressant-like behavior.

HY-18101S

BD-1063-d8 dihydrochloride

BD-1063-d₈ dihydrochloride is the deuterium labeled BD1063 dihydrochloride (HY-18101A) . BD-1063 dihydrochloride is a selective σ-1 receptor antagonist with inhibitory activity against TRPC5 and TRPM3. BD-1063 dihydrochloride exerts anti-hyperalgesic and anti-allodynic effects by inhibiting sustained calcium influx mediated by TRPC5 and TRPM3, and reverses the effects of Carrageenan (HY-125474). BD-1063 dihydrochloride also significantly reduces excessive ethanol self-administration behavior. BD-1063 dihydrochloride is widely used in studies on the mechanisms underlying neuropathic pain, inflammatory hyperalgesia, and alcohol abuse and dependence .

Host:	Rabbit (3)
Reactivity:	Human (3) Mouse (2) Rat (3)
Application:	IHC-P (2) IP (2) IHC-F (1) WB (3) FC (1)
Isotype:	IgG (3)
Conjugation:	Non-conjugated (3)
Clonality:	Monoclonal (3) Recombinant (2)
Modification:	Unmodified (3)

Cat. No.	Compare	Product Name	Application	Reactivity	Image

HY-P82909

	*14-3-3 sigma* Antibody (YA2654)** SFN; HME1; 14-3-3 protein Sigma; Epithelial cell marker protein 1; Stratifin	WB, IHC-P	Human, Rat
	14-3-3 sigma Antibody (YA2654) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to 14-3-3 sigma.

HY-P82387

	AP2S1 Antibody (YA2132) AP17; AP17 delta; Ap2s1; CLAPS2; Sigma2 adaptin	WB, FC, IP	Human, Mouse, Rat
	AP2S1 Antibody (YA2132) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to AP2S1.

HY-P810512

	AP2S1 Antibody (YA9796) AP17, AP17 delta, Ap2s1, CLAPS2, Sigma2 adaptin	WB, IHC-F, IHC-P, IP	Human, Mouse, Rat
	AP2S1 Antibody (YA9796) is a Rabbit-derived and non-conjugated IgG Monoclonal antibody, targeting to AP2S1.

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Cat. No.	Product Name		Classification

HY-155887

DSPE-PEG-Amine, MW 3400 ammonium DSPE-PEG-NH2, MW 3400 ammonium		Pegylated Lipids
DSPE-PEG-Amine (DSPE-PEG-NH2), MW 3400 ammonium is an amino-functionalized PEGylated phospholipid. It serves not only as a key component for preparing σ receptor-targeted liposomes (such as anisamide-modified lipids) but also as a starting material for synthesizing click chemistry- and tumor-targeted lipids including DSPE-PEG-DBCO (HY-155788) and DSPE-PEG2000-TCO (HY-170704). DSPE-PEG-Amine, MW 3400 ammonium effectively modulates the ζ potential of nanoparticles, enables complexation with nucleic acids or proteins to protect DNA from nuclease degradation, and supports ligand conjugation on the nanoparticle surface. It is used in studies related to DU-145 tumors, breast cancer, and other relevant research .

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