Human Cystatin E/M Antibody Summary
Arg29-Met149
Accession # Q15828
Applications
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.
Scientific Data
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Detection of Human Cystatin E/M by Western Blot. Western blot shows lysates of human skin tissue and human colon cancer tissue. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human Cystatin E/M Monoclonal Antibody (Catalog # MAB1286) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for Cystatin E/M at approximately 13 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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Cystatin E/M in Human Skin. Cystatin E/M was detected in immersion fixed paraffin-embedded sections of human skin using 25 µg/mL Mouse Anti-Human Cystatin E/M Monoclonal Antibody (Catalog # MAB1286) overnight at 4 °C. Tissue was stained with the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counterstained with hematoxylin (blue). Specific labeling was localized to the cytoplasm of cells in hair follicules. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Reconstitution Calculator
Preparation and Storage
- 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 E/M
Cystatin E/M encoded by the CST6 gene is a member of family 2 of the cystatin superfamily (1, 2). It inhibits papain and cathepsin B, two of the cysteine proteases. Its mRNA was found in many tissues by the two groups who did initial cloning (1, 2). However, its protein was found only in skin and sweat glands by a third group (3). In addition to being a cysteine protease inhibitor, Cystatin E/M is also a substrate for transglutaminases (3). It is required for viability and for correct formation of cornified layers in the epidermis and hair follicles, as ichq mice, with a null mutation in the Cystatin E/M gene, have defects in epidermal cornification and die between 5 and 12 days of age (4). Cystatin E/M expression and function may not be limited to cutaneous epithelia. For example, it is found in rat brain and is induced during neuronal cell differentiation (5).
- Sotiropoulou, G. et al. (1997) J. Biol. Chem. 272:903.
- Ni, J. et al. (1997) J. Biol. Chem. 272:10853.
- Zeeuwen, P.L. et al. (2001) J. Invest. Dermatol. 116:693.
- Zeeuwen, P.L. et al. (2002) Hum. Mol. Genet. 11:2867.
- Hong, J. et al. (2002) J. Neurochem. 81:922.
Product Datasheets
Citation for Human Cystatin E/M Antibody
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 Citation: Showing 1 - 1
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Activator protein-1 activity regulates epithelial tumor cell identity.
Authors: Gerdes MJ, Myakishev M, Frost NA, Rishi V, Moitra J, Acharya A, Levy MR, Park SW, Glick A, Yuspa SH, Vinson C
Cancer Res., 2006-08-01;66(15):7578-88.
Species: Human
Sample Types: Tissue Homogenates
Applications: Western Blot
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