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P6124

Sigma-Aldrich

5-(4-Phenoxybutoxy)psoralen

≥98% (HPLC), solid

Synonyme(s) :

PAP-1

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About This Item

Formule empirique (notation de Hill):
C21H18O5
Numéro CAS:
870653-45-5
Poids moléculaire :
350.36
Numéro MDL:
MFCD11114059
Code UNSPSC :
12352200
ID de substance PubChem :
24724583
Nomenclature NACRES :
NA.77

Niveau de qualité

100

Pureté

≥98% (HPLC)

Forme

solid

Conditions de stockage

protect from light

Couleur

white

Solubilité

DMSO: 9 mg/mL

Température de stockage

2-8°C

Chaîne SMILES 

O=C1Oc2cc3occc3c(OCCCCOc4ccccc4)c2C=C1

InChI

1S/C21H18O5/c22-20-9-8-16-19(26-20)14-18-17(10-13-24-18)21(16)25-12-5-4-11-23-15-6-2-1-3-7-15/h1-3,6-10,13-14H,4-5,11-12H2

Clé InChI

KINMYBBFQRSVLL-UHFFFAOYSA-N

Actions biochimiques/physiologiques

5-(4-Phenoxybutoxy)psoralen (PAP-1) is derived from 5-methoxypsoralen, a natural compound. PAP-1 show higher selectivity for Kv1.3 (voltage-gated potassium channels) than other Kv1 family members. Kv1.3 is predominant on cell membranes of activated effector memory T-cells. Inhibition of Kv1.3 results in membrane depolarization. In rat models, PAP-1 is known to delay the onset of diabetes. It might be used in the treatment of psoriasis and effector memory T cells mediated autoimmune diseases. Oral, intraperitoneal and topical administration of PAP-1 prevents allergic contact dermatitis induced by oxazolone.
Selective inhibitor of Kv1.3, voltage-gated K+ channel. PAP-1 (EC50=2 nM) potently inhibits human T effector memory cell proliferation and delayed hypersensitivity. Effective orally or intraperitoneally. 5-(4-Phenoxybutoxy)psoralen has 23-fold selectivity for Kv1.3 over Kv1.5, and 33-125-fold selectivity over other Kv1 family channels.

Caractéristiques et avantages

This compound is featured on the Potassium Channels page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Pictogrammes

Health hazard
GHS08

Mention d'avertissement

Danger

Mentions de danger

H334

Conseils de prudence

P261 - P284 - P501

Classification des risques

Resp. Sens. 1

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Consulter la Bibliothèque de documents

Joaquim Bobi et al.
Translational research : the journal of laboratory and clinical medicine, 224, 40-54 (2020-06-12)
The modulation of voltage-gated K+ (Kv) channels, involved in cell proliferation, arises as a potential therapeutic approach for the prevention of intimal hyperplasia present in in-stent restenosis (ISR) and allograft vasculopathy (AV). We studied the effect of PAP-1, a selective
Identification of phase-I metabolites and chronic toxicity study of the Kv1. 3 blocker PAP-1 (5-(4-phenoxybutoxy) psoralen) in the rat
Hao B, et al.
Xenobiotica, 41(3), 198-211 (2011)
Pharmacokinetics, toxicity, and functional studies of the selective Kv1. 3 channel blocker 5-(4-phenoxybutoxy) psoralen in rhesus macaques
Pereira LE, et al.
Exp. Biol. Med, 232(10), 1338-1354 (2007)
4-Phenoxybutoxy-substituted heterocycles-A structure-activity relationship study of blockers of the lymphocyte potassium channel Kv1. 3
Bodendiek SB, et al.
European Journal of Medicinal Chemistry, 44(5), 1838-1852 (2009)
Dai-Chao Ma et al.
Experimental neurology, 332, 113399-113399 (2020-07-12)
After cerebral ischemia/reperfusion injury, pro-inflammatory M1-like and anti-inflammatory M2-like phenotypes of microglia are involved in neuroinflammation, in which NLRP3 inflammasome plays an essential role. Kv1.3 channel has been recognized as neuro-immunomodulatory target, but it is not clear as to its
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