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U3633

Sigma-Aldrich

U 18666A

powder

Sinónimos:

(3β)-3-[2-(Diethylamino)ethoxy]androst-5-en-17-one hydrochloride

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About This Item

Fórmula empírica (notación de Hill):
C25H41NO2·HCl
Número de CAS:
3039-71-2
Peso molecular:
424.06
MDL number:
MFCD00210908
UNSPSC Code:
12352200
PubChem Substance ID:
24724638
NACRES:
NA.77

assay

≥98% (HPLC)

form

powder

color

white to off-white

mp

195-196.5 °C (lit.)

solubility

H2O: 10 mg/mL≥

storage temp.

2-8°C

SMILES string

Cl[H].[H][C@@]12CC=C3C[C@H](CC[C@]3(C)[C@@]1([H])CC[C@]4(C)C(=O)CC[C@@]24[H])OCCN(CC)CC

InChI

1S/C25H41NO2.ClH/c1-5-26(6-2)15-16-28-19-11-13-24(3)18(17-19)7-8-20-21-9-10-23(27)25(21,4)14-12-22(20)24;/h7,19-22H,5-6,8-17H2,1-4H3;1H/t19-,20-,21-,22-,24-,25-;/m0./s1

InChI key

GZFYZYBWLCYBMI-MYZJJQSMSA-N

General description

U18666A, a cationic amphiphile/sterol, has a diethylaminoethyl chain linked to the 3-hydroxyl. It is an androstenolone derivative.

Application

U 18666A has been used in fibroblast controls to study the mechanism of increase in autophagy in Niemann-Pick Disease Type C (NPC) cells.
U 18666A has been used:
  • as a competitive inhibitor of the Niemann-Pick disease, type C (NPC2) binding partner Niemann-Pick C1 (NPC1) to treat symbiotic and aposymbiotic adult Aiptasia to study the effect of global sterol transport inhibition
  • in treating seminiferous tubules to study its effects on the localization pattern of VPS35-positive vesicles
  • to study the U18666A treatment effects on early endosomes and late endosomes/multivesicular bodies (MVBs)
  • as an NPC1 inhibitor to test its in vivo efficacy and study its effects on filovirus entry and infection

Biochem/physiol Actions

U18666A, a Niemann-Pick phenotype inducer, can inhibit the lysosomal cholesterol export and Ebola infection.
Inhibitor of cholesterol synthesis (inhibits desmosterol Δ24-reductase). Weak inhibitor of hedgehog (hh) signaling.

Preparation Note

U 18666A is soluble in water at 10 mg/ml.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Elena Piccoli et al.
Biochemical pharmacology, 82(9), 1234-1249 (2011-09-01)
Patients treated with amiodarone accumulate lysobisphosphatidic acid (LBPA), also known as bis(monoacylglycero)phosphate, in airway secretions and develop in different tissues vacuoles and inclusion bodies thought to originate from endosomes. To clarify the origin of these changes, we studied in vitro
Anton I Rosenbaum et al.
Proceedings of the National Academy of Sciences of the United States of America, 107(12), 5477-5482 (2010-03-10)
Niemann-Pick type C disease (NPC) is a lysosomal storage disorder causing accumulation of unesterified cholesterol in lysosomal storage organelles. Recent studies have shown that hydroxypropyl-beta-cyclodextrin injections in npc1(-/-) mice are partially effective in treating this disease. Using cultured fibroblasts, we
Jing Xu et al.
Proceedings of the National Academy of Sciences of the United States of America, 107(10), 4764-4769 (2010-02-24)
Mammalian target of rapamycin (mTOR) constitutes a nodal point of a signaling network that regulates cell growth and proliferation in response to various environmental cues ranging from growth factor stimulation to nutrients to stress. Whether mTOR is also affected by
Marie-Claude Battista et al.
The Prostate, 70(9), 921-933 (2010-02-19)
Seladin-1 belongs to a subgroup of androgen-dependent genes associated with anti-proliferative, pro-differentiation, and pro-apoptotic functions and plays a protective role against oncogenic stress. The present study aims to investigate the localization and expression of Seladin-1 protein in normal and tumoral
Mee Kian Poh et al.
Antiviral research, 93(1), 191-198 (2011-12-08)
The level of cholesterol in host cells has been shown to affect viral infection. However, it is still not understood why this level of regulation is important for successful infection. We have shown in this study that dengue virus infection
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