1. Membrane Transporter/Ion Channel
    Neuronal Signaling
  2. GABA Receptor
  3. SX-3228

SX-3228 

Cat. No.: HY-100291
Handling Instructions

SX-3228 is a selective benzodiazepine1 (BZ1) receptor agonist with an IC50 of 17 nM.

For research use only. We do not sell to patients.

SX-3228 Chemical Structure

SX-3228 Chemical Structure

CAS No. : 156364-04-4

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Description

SX-3228 is a selective benzodiazepine1 (BZ1) receptor agonist with an IC50 of 17 nM.

IC50 & Target

IC50: 17 nM (BZ1 receptor)[1]

In Vitro

SX-3228 is a selective ligand for the BZ1 receptor. Among the BZ-receptor subtypes, SX-3228 preferentially binds to the BZ1 receptor (IC50=17 nM). It has very weak affinity for the BZ2 receptor (spinal cord: IC50=127 nM), and virtually no affinity for the peripheral type BZ receptor (kidney: IC50>10000 nM). A compound with similar selectivity, SX-3228 has been shown to bind to BZ receptors, but not to dopamine (D1, D2), serotonin (5-HT1, 5-HT2 and 5-HT3 subtypes), noradrenaline (α1, α2, β), GABA or acetylcholine (muscarinic) subtypes[1].

In Vivo

Administration of 0.5-2.5 mg/kg SX-3228 to rats during the light phase induces a significant reduction of rapid-eye-movement sleep (REMS) (P<0.05) during the third recording hour. Administration of SX-3228 (0.5-2.5 mg/kg) at the beginning of the dark period significantly and dose-dependently reduces waking (W) and increases slow wave sleep (SWS) during the 6-h recording period (P<0.05-0.01); however, significant changes during the last recording hour are restricted to the 2.5 mg/kg dose (P<0.01)[1].

Molecular Weight

338.36

Formula

C₁₈H₁₈N₄O₃

CAS No.

156364-04-4

SMILES

O=C1NC2=C(CN(CC3=CC=CC=C3)CC2)C=C1C4=NN=C(OC)O4

Shipping

Room temperature in continental US; may vary elsewhere

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

References
Animal Administration
[1]

Rats[1]
Twelve male Wistar rats (350-380 g) are used. Subcutaneous (sc) injections are given in a final volume of 1.0 mL/kg. All rats are given the corresponding volume of control solution (saline+Tween-80) in the control sessions. Following sc injection, a 6-h sleep recording is started at approximately 8:00 a.m. At least 4 days are allowed to elapse between injections to avoid long-lasting and rebound effects on sleep. The effects of SX-3228 0.5-2.5 mg/kg are studied in one group of animals (N=6) during the light phase of the 12-h light:12-h dark cycle, starting 1 h after the beginning of the light period. Polysomnographic recordings are started immediately after control solution or drug administration. Each rat receives all four treatments (control, and 0.5, 1.0, 2.5 mg/kg SX-3228).

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References
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