Human/Rat Cystatin B Antibody

(1 citations)   
  • Species Reactivity
    Human, Rat
  • Specificity
    Detects human and rat Cystatin B in Western blots. In Western blots, less than 2% cross-reactivity with recombinant human (rh) Cystatin A, recombinant mouse Cystatin B, rhCystatin C, rhCystatin D, rhCystatin E/M, rhCystatin S, rhCystatin SA, and rhCystatin SN is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human Cystatin B
    Met2-Phe98
    Accession # P04080
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
  • Simple Western
    10 µg/mL
    See below
  • Immunohistochemistry
    5-15 µg/mL
    Immersion fixed paraffin-embedded sections of human bladder, colon, and heart
  • Immunoprecipitation
    25 µg/mL
    Conditioned cell culture medium spiked with Recombinant Human Cystatin B (Catalog # 1408-PI), see our available Western blot detection antibodies
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.
Data Examples
Detection of Human and Rat Cystatin B by Western Blot. Western blot shows lysates of human colon tissue, PC‑12 rat adrenal pheochromocytoma cell line, A549 human lung carcinoma cell line, and SK‑BR‑3 human breast cancer cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human/Rat Cystatin B Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1408) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for Cystatin B at approximately 11 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Detection of Human Cystatin B by Simple WesternTM. Simple Western lane view shows lysates of A549 human lung carcinoma cell line, loaded at 0.2 mg/mL. A specific band was detected for Cystatin B at approximately 18 kDa (as indicated) using 10 µg/mL of Goat Anti-Human/Rat Cystatin B Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1408) followed by 1:50 dilution of HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). This experiment was conducted under reducing conditions and using the
12-230 kDa separation system.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    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: Cystatin B

Cystatin B, also called stefin B or liver thiol proteinase inhibitor, is a member of family 1 of the cystatin superfamily (1). Like Cystatin A, it is an intracellular inhibitor regulating the activities of cysteine proteases of the papain family such as cathepsins B, H and L (2). Mutations in the Cystatin B gene is the cause of progressive myoclonus epilepsy (EPM1) (3). Because of its expression patterns, Cystatin B can be used as a marker for certain cancers, such as glioblastoma tumors (4). It readily forms amyloid fibrils in vitro (5). The human Cystatin B consists of 98 amino acid residues (3).

  • References:
    1. Abrahamson, M. (1994) Methods Enzymol. 244:685.
    2. Pol, E. and I. Bjork (1999) Biochemistry 38:10519.
    3. Pennacchio, L.A. et al. (1996) Science 271:1731.
    4. Zhang, R. et al. (2003) Glia 42:194.
    5. Zerovnik, E. et al. (2002) Biochim. Biophys. Acta 1594:1.
  • Entrez Gene IDs:
    1476 (Human); 13014 (Mouse)
  • Alternate Names:
    CPI-B; CST6cystatin B (liver thiol proteinase inhibitor)10STFBcystatin-B; CSTB; cystatin B (stefin B); Cystatin B; EPM1; Liver thiol proteinase inhibitor; PME; Stefin B; stefin-B
Related Research Areas
Citations:

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.

1 Citations: Showing 1 - 1

  1. Regulation of TGF-beta1-driven differentiation of human lung fibroblasts: emerging roles of cathepsin B and cystatin C.
    Authors: Kasabova M, Joulin-Giet A, Lecaille F, Gilmore B, Marchand-Adam S, Saidi A, Lalmanach G
    J Biol Chem, 2014;289(23):16239-51.
    Species: Human
    Sample Type: Cell Lysates
    Application: WB
Cell and Tissue Staining Kits
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Immunohistochemistry Reagents
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Antigen Retrieval Reagent-Basic

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Mounting Medium

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Antigen Retrieval Reagent Sampler (50 mL each)

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Antigen Retrieval Reagent-Acidic

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VisUCyte Antigen Retrieval Reagent-Basic

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Isotype Controls
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Normal Goat IgG Control

Ctrl AB-108-C 191  
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Secondary Antibodies
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Goat IgG HRP-conjugated Antibody

WB, Simple Western HAF109 19  
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Goat IgG HRP-conjugated Antibody

WB HAF017 15  
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Goat IgG (H+L) PE-conjugated Antibody

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Donkey Anti-Goat IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL001 9
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Donkey Anti-Goat IgG NorthernLights™ NL493-conjugated Antibody

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Goat IgG (H+L) APC-conjugated Antibody

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Goat IgG Horseradish Peroxidase-conjugated Antibody

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Donkey Anti-Goat IgG Antibody

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Donkey Anti-Goat IgG Biotinylated Antibody

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Goat IgG VisUCyte HRP Polymer

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Goat IgG (H+L) Fluorescein-conjugated Antibody

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Donkey Anti-Goat IgG NorthernLights™ NL637-conjugated Antibody

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Chicken Anti-Goat IgG Biotinylated Antibody

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Rabbit Anti-Goat IgG (H+L) Affinity Purified PAb, X Absorbed

WB, ELISA R-401-C-ABS
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Rabbit Anti-Goat IgG Biotinylated Antibody

WB BAF017
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Donkey Anti-Goat IgG (H+L) PerCP-conjugated Antibody

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