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C8696

Sigma-Aldrich

Cathepsin D from human liver

lyophilized powder, ≥250 units/mg protein (E1%/280)

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25 μG
305,00 €

305,00 €


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25 μG
305,00 €

About This Item

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

305,00 €


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Stato

lyophilized powder

Livello qualitativo

Attività specifica

≥250 units/mg protein (E1%/280)

PM

~45 kDa

Colore

white

N° accesso UniProt

Temperatura di conservazione

−20°C

Informazioni sul gene

human ... CTSD(1509)

Descrizione generale

Cathepsin D is an aspartic protease, which is located in lysosomes. It is involved in protein catabolism and maintains hormone and antigen processing. Cathepsin D is implicated in neoplasia and neurodegenerative changes. It regulates lysosomal proteolysis and endogenous fibrinolysis.[1]

Applicazioni

Cathepsin D from human liver has been used:
  • in β-secretase activity assay[2]
  • for enzymatic degradation of amyloid β 1-42[3]
  • in microinjection of human foreskin fibroblasts[4]

Azioni biochim/fisiol

Cathepsin D is an endosomal-lysosomal aspartic protease implicated in breast cancer metastasis and Alzheimer′s disease. Lysosomal release of cathepsin D has been found to precede cytochrome c release and loss of membrane potential in apoptotic human foreskin fibroblasts. Cathepsin D levels in PC12 cells increase 12 to 24 hours after apoptosis is induced.
Endosomal-lysosomal aspartic protease implicated in breast cancer metastasis and Alzheimer′s disease. Lysosomal release of cathepsin D has been found to precede cytochrome c release and loss of membrane potential in apoptotic human foreskin fibroblasts.

Altre note

Contains α, β and γ isoenzymes as observed by isoelectric-focusing.

Definizione di unità

One unit will produce an increase in A280 of 1.0 in 30 min at pH 3.3 at 37 °C measured as TCA-soluble products using acid-denatured hemoglobin as substrate (1 cm light path).

Stato fisico

Powder containing sodium phosphate buffer salt.

Inibitore

N° Catalogo
Descrizione
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Prodotti correlati

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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Aspartic Proteinases Physiology and Pathology (1995)
Jeane do Nascimento Moraes et al.
The journal of venomous animals and toxins including tropical diseases, 28, e20220002-e20220002 (2022-11-22)
Cathepsin D (CatD) is a lysosomal proteolytic enzyme expressed in almost all tissues and organs. This protease is a multifunctional enzyme responsible for essential biological processes such as cell cycle regulation, differentiation, migration, tissue remodeling, neuronal growth, ovulation, and apoptosis.
Platelet membrane beta-secretase activity in mild cognitive impairment and conversion to dementia: a longitudinal study
McGuinness B, et al.
Journal of Alzheimer'S Disease, 49(4), 1095-1103 (2016)
Andrea Gilg et al.
Journal of translational medicine, 19(1), 190-190 (2021-05-05)
Endogenous Peptide Inhibitor of CXCR4 (EPI-X4) is a natural antagonist of the CXC chemokine receptor 4 (CXCR4). EPI-X4 is a 16-mer peptide that is released from human serum albumin (HSA) by acidic aspartic proteases such as Cathepsin D and E.
Marie Maynadier et al.
Journal of controlled release : official journal of the Controlled Release Society, 171(2), 251-257 (2013-08-01)
Implication of the intracellular proteolytic activity of Cathepsin D (CathD), a lysosomal aspartyl-protease overexpressed in numerous solid tumors, has been evidenced on tumor growth. Its intracellular inhibition by potent inhibitors such as pepstatin constitutes a relevant but challenging molecular target.

Domande

  1. At what temperature is it shipped?  How to reconstitute it? Is it active or to be activated?

    1 risposta
    1. This product is shipped at ambient temperature. This material is lyophilized from a solution containing sodium phosphate, pH 6.5. It may be reconstituted in approximately 80 ul water per 25 ug vial. Activation is not necessary.

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Recensioni

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