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SML2916

Sigma-Aldrich

AAL-R

≥98% (HPLC)

Synonym(s):

(R)-2-Amino-2-methyl-4-[4-(heptyloxy)phenyl]butan-1-ol, (R)-2-Amino-4-(4-(heptyloxy)phenyl)-2-methylbutan-1-ol, (R)-2-Amino-4-(4-heptyloxyphenyl)-2-methylbutanol, AAL(R)

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About This Item

Empirical Formula (Hill Notation):
C18H31NO2
CAS Number:
241476-71-1
Molecular Weight:
293.44
UNSPSC Code:
41106300
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

100

Assay

≥98% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 2 mg/mL, clear

storage temp.

2-8°C

SMILES string

C[C@](N)(CO)CCC1=CC=C(C=C1)OCCCCCCC

Biochem/physiol Actions

AAL-R [AAL(R)] is a FTY720 (fingolimod) analog and a much more rapidly activated sphingosine 1-phosphate receptor (S1P) agonist by sphingosine kinase 2 (SphK2)-mediated phosphorylation in vitro and in vivo. AAL-R triggers lymphocytes apoptosis in a SphK2-dependent manner (34%/84% remaining parental/SphK2-deficient Jurkat; 24 h 5 μM) with a significantly higher efficacy than its S-enantiomer AAL-S or FTY720 (%PI- mouse splenocytes = 27/ALL-R vs 56/FTY720 or ALL-S; 24 h 4 μM). AAL-R (0.1-0.3 mg/kg intratracheally), but not ALL-S, inhibits T-cell response to influenza infection and reduces pulmonary inflammation during Bordetella pertussis infection in mice (0.5 mg/kg intranasally).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Jeremy Ardanuy et al.
Journal of immunology (Baltimore, Md. : 1950), 204(8), 2192-2202 (2020-03-11)
Type I and III IFNs play diverse roles in bacterial infections, being protective for some but deleterious for others. Using RNA-sequencing transcriptomics we investigated lung gene expression responses to Bordetella pertussis infection in adult mice, revealing that type I and
Peter Ettmayer et al.
Bioorganic & medicinal chemistry letters, 16(1), 84-87 (2005-10-21)
Fluorescently labeled chiral analogs of the immunomodulatory drug FTY720 and its corresponding phosphates with variable aliphatic spacers between the aromatic ring and the NBD label have been synthesized. Determining the influence of the spacer on the in vitro phosphorylation rate
Ciaran Skerry et al.
Infection and immunity, 87(2) (2018-12-05)
Incidence of whooping cough (pertussis), a bacterial infection of the respiratory tract caused by the bacterium Bordetella pertussis, has reached levels not seen since the 1950s. Antibiotics fail to improve the course of disease unless administered early in infection. Therefore
Ciaran Skerry et al.
The Journal of infectious diseases, 215(2), 278-286 (2016-11-07)
Recent data have demonstrated the potential of sphingosine 1-phosphate (S1P) receptor (S1PR) agonism in the treatment of infectious diseases. A previous study used a murine model of Bordetella pertussis infection to demonstrate that treatment with the S1PR agonist AAL-R reduces
David Marsolais et al.
Molecular pharmacology, 74(3), 896-903 (2008-06-26)
The mechanism by which locally delivered sphingosine analogs regulate host response to localized viral infection has never been addressed. In this report, we show that intratracheal delivery of the chiral sphingosine analog (R)-2-amino-4-(4-heptyloxyphenyl)-2-methylbutanol (AAL-R) or its phosphate ester inhibits the
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