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S8633

Sigma-Aldrich

Sphingomyelinase from Staphylococcus aureus

buffered aqueous glycerol solution, 100-300 units/mg protein (Lowry)

Sinonimo/i:

Sphingomyelin choline phosphohydrolase, Sphingomyelin phosphodiesterase

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About This Item

Numero CAS:
Classificazione EC (Enzyme Commission):
Numero MDL:
Codice UNSPSC:
12352204
NACRES:
NA.32

Forma fisica

buffered aqueous glycerol solution

Livello qualitativo

Attività specifica

100-300 units/mg protein (Lowry)

Temperatura di conservazione

2-8°C

Applicazioni

Sphingomyelinase from Staphylococcus aureus has been used to:
  • induce neurotoxicity in rat cortical cultures to study the protective effects of minocycline
  • determine the concentration of sphingomyelin from serum samples
  • enhance sphingomyelinase activity to study PARK9-mediated exosome biogenesis

Azioni biochim/fisiol

Bacterial sphingomyelinase is active at neutral pH. When used in cell culture in vitro, it hydrolyzes the sphingomyelin on the outer leaflet of the plasma membrane and produces ceramide that is lipid-soluble. Sphingomyelinase is the key enzyme in the sphingomyelinase/ceramide pathway, which is implicated in the pathogenesis of several neurodegenerative disorders.
Initiates the formation of sphingomyelin-based second messengers. Activates MAPK (mitogen-activated protein kinase) and SAPKs (stress-activated protein kinases); generates ceramide from sphingomyelin.

Definizione di unità

One unit will hydrolyze 1.0 μmol of TNPAL-sphingomyelin per min at pH 7.4 at 37 °C.

Stato fisico

Solution in 50% glycerol containing 0.25 M phosphate buffer, pH 7.5

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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Measurement of sphingomyelin and ceramide cellular levels after sphingomyelinase-mediated sphingomyelin hydrolysis.
P Santana et al.
Methods in molecular biology (Clifton, N.J.), 105, 217-221 (1999-07-31)
Taiji Tsunemi et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(46), 15281-15287 (2014-11-14)
Kufor-Rakeb syndrome (KRS) is caused by loss-of-function mutations in ATP13A2 (PARK9) and characterized by juvenile-onset parkinsonism, pyramidal signs, and cognitive decline. Previous studies suggested that PARK9 deficiency causes lysosomal dysfunction and α-synuclein (α-syn) accumulation, whereas PARK9 overexpression suppresses toxicity of
Elin Rebecka Carlsson et al.
Frontiers in endocrinology, 9, 172-172 (2018-06-21)
Metabolic surgery is superior to lifestyle intervention in reducing weight and lowering glycemia and recently suggested as treatment for type 2 diabetes mellitus. Especially Roux-en-Y gastric bypass (RYGB) has been focus for much research, but still the mechanisms of action
Feixiang Wang et al.
The Journal of clinical investigation, 131(19) (2021-08-18)
Proper metabolic activities facilitate T cell expansion and antitumor function; however, the mechanisms underlying disruption of the T cell metabolic program and function in the tumor microenvironment (TME) remain elusive. Here, we show a zinc finger protein 91-governed (ZFP91-governed) mechanism
Radoslav Savić et al.
Advances in cancer research, 117, 91-115 (2013-01-08)
Acid sphingomyelinase (ASM) is a lipid hydrolase that cleaves the sphingolipid, sphingomyelin, into ceramide. Mutations in the ASM gene (SMPD1) result in the rare lysosomal storage disorder, Niemann-Pick disease (NPD). In addition to its role in NPD, over the past

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