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Mouse/Rat Cathepsin L Antibody

R&D Systems, part of Bio-Techne | Catalog # AF1515

R&D Systems, part of Bio-Techne
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AF1515
AF1515-SP

Key Product Details

Validated by

Knockout/Knockdown, Biological Validation

Species Reactivity

Validated:

Mouse, Rat

Cited:

Human, Mouse

Applications

Validated:

Immunohistochemistry, Simple Western, Western Blot

Cited:

Immunocytochemistry, Immunohistochemistry, Immunohistochemistry-Frozen, Immunohistochemistry-Paraffin, Western Blot, Western Blots

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant mouse Cathepsin L
Thr18-Asn334
Accession # P06797

Specificity

Detects mouse Cathepsin L in direct ELISAs and Western blots.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Scientific Data Images for Mouse/Rat Cathepsin L Antibody

Detection of Mouse and Rat Cathepsin L antibody by Western Blot.

Detection of Mouse and Rat Cathepsin L by Western Blot.

Western blot shows lysates of rat liver tissue, mouse liver tissue (wild type), and mouse liver tissue (knock out). PVDF membrane was probed with 1 µg/mL of Goat Anti-Mouse Cathepsin L Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1515) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (HAF017). Specific bands were detected for Cathepsin L at approximately 22-38 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Cathepsin L antibody in Mouse Ovary by Immunohistochemistry (IHC-Fr).

Cathepsin L in Mouse Ovary.

Cathepsin L was detected in perfusion fixed frozen sections of mouse ovary using 15 µg/mL Goat Anti-Mouse Cathepsin L Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1515) overnight at 4 °C. Tissue was stained with the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Frozen Tissue Sections.
Detection of Mouse Cathepsin L antibody by Simple WesternTM.

Detection of Mouse Cathepsin L by Simple WesternTM.

Simple Western lane view shows lysates of mouse liver tissue and HepG2 human hepatocellular carcinoma cell line, loaded at 0.2 mg/mL. Specific bands were detected for Cathepsin L at approximately 51 and 34 kDa (as indicated) using 10 µg/mL of Goat Anti-Mouse Cathepsin L Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1515) followed by 1:50 dilution of HRP-conjugated Anti-Goat IgG Secondary Antibody (HAF109). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Applications for Mouse/Rat Cathepsin L Antibody

Application
Recommended Usage

Immunohistochemistry

5-15 µg/mL
Sample: Perfusion fixed frozen sections of mouse ovary and thymus

Simple Western

10 µg/mL
Sample: Mouse liver tissue and HepG2 human hepatocellular carcinoma cell line

Western Blot

1 µg/mL
Sample: Rat liver tissue, mouse liver tissue (wild type), and mouse liver tissue (knock out).

Reviewed Applications

Read 3 reviews rated 5 using AF1515 in the following applications:

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
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Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

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 L

Cathepsin L is a lysosomal cysteine protease expressed in most eukaryotic cells. Cathepsin L is known to hydrolyze a number of proteins, including the proform of urokinase-type plasminogen activator, which is activated by Cathepsin L cleavage (1). Cathepsin L has also been shown to proteolytically inactivate alpha1-antitrypsin and secretory leucoprotease inhibitor, two major protease inhibitors of the respiratory tract (2). These observations, combined with the demonstration of increased Cathepsin L activity in the epithelial lining fluid of the lungs of emphysema patients, have led to the suggestion that the enzyme may be involved in the progression of this disease. Cathepsin L has also been identified as a major excreted protein of transformed fibroblasts, indicating the enzyme could be involved in malignant tumor growth (3). In Cathepsin L-deficient mice, it appears to play a critical role in cardiac morphology and function, epidermal homeostasis, regulation of the hair cycle, and MHC class II-mediated antigen presentation in cortical epithelial cells of the thymus (4, 5). Mouse Cathepsin L is synthesized as a 334 amino acid precursor with a signal peptide (residues 1-17), a pro region (residues 18-113), and a mature chain (residues 114-334).

References

  1. Goretzki, L. et al. (1992) FEBS Lett. 297:112.
  2. Taggart, C.C. et al. (2001) J. Biol. Chem. 276:33345.
  3. Gottesman, M.M. and F. Cabral (1981) Biochemistry 20:1659.
  4. Stypmann, J. et al. (2002) Proc. Natl. Acad. Sci. USA 99: 6234.
  5. Reinheckel, T. et al. (2001) Biol. Chem. 382:735.

Alternate Names

CTSL, CTSL1

Entrez Gene IDs

1514 (Human); 13039 (Mouse); 118276442 (Insect)

Gene Symbol

CTSL

UniProt

Additional Cathepsin L Products

Product Documents for Mouse/Rat Cathepsin L Antibody

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Mouse/Rat Cathepsin L Antibody

For research use only

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