Human Cathepsin S Biotinylated Antibody (Catalog # BAF1183)
Recombinant Human Cathepsin S Protein, CF (Catalog # 1183-CY)
Measured by its ability to neutralize activation and the resulting activity of Recombinant Human Cathepsin S (0.25 µg/mL, Catalog # 1183-CY) in cleaving the fluorogenic peptide substrate Mca-RPKPVE-Nval-WRK(Dnp)-NH2 (10 µM, Catalog # ES002). The Neutralization Dose (ND50) is typically 2 µg/mL.
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Cathepsin S in Human Lymph Node. Cathepsin S was detected in immersion fixed paraffin-embedded sections of human lymph node using Goat Anti-Human Cathepsin S Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1183) at 15 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of immersion fixed paraffin-embedded Tissue Sections.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Cathepsin S
Cathepsin S is a lysosomal cysteine protease of the papain family (1). It plays a major role in the processing of the MHC class II-associated invariant chain (2). It has been implicated in the pathogenesis of several diseases such as Alzheimer’s disease and degenerative disorders associated with the cells of the mononuclear phagocytic system (1). Human Cathepsin S is synthesized as a preproenzyme of 331 amino acid residues consisting a signal peptide (residues 1-16), a pro region (residues 17-114), and the mature enzyme (residues 115-331) (3-5). Cathepsin S is less abundant in tissues than Cathepsins B, L and H. The highest levels have been found in lymph nodes, spleen, macrophages, and other phagocytic cells.
Kirschke, H. (2004) in Handbook of Proteolytic Enzymes (ed. Barrett, A.J. et al.) pp. 1104 - 1107, Academic Press, San Diego.
Turk, V. et al. (2001) EMBO J. 20:4629.
Shi, G.P. et al. (1992) J. Biol. Chem. 267:7258.
Shi, G.P. et al. (1994) J. Biol. Chem. 269:11530.
Wiederanders, B. et al. (1992) J. Biol. Chem. 267:13708.
R&D Systems personnel manually curate a database that contains references using R&D Systems products.
The data collected includes not only links to publications in PubMed,
but also provides information about sample types, species, and experimental conditions.
A multiplex immunoassay for human adipokine profiling. Authors: Schipper HS, De Jager W, van Dijk ME, Meerding J, Zelissen PM, Adan RA, Prakken BJ, Kalkhoven E Clin. Chem., 2010;56(0):1320. Species: Human Sample Type: Cell Culture Supernates Application: Luminex Development
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