Human Endocan/ESM-1 Antibody Summary
Trp20-Arg184
Accession # Q9NQ30
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 Endocan/ESM‑1 by Western Blot. Western blot shows lysate of HUVEC human umbilical vein endothelial cells. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human Endocan/ESM-1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1810) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for Endocan/ESM-1 at approximately 20 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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Cell Adhesion Mediated by Endocan/ESM‑1 and Neutral-ization by Human Endocan/ESM‑1 Antibody. Recombinant Human Endocan/ESM-1 (Catalog # 1810-EC), immobilized onto a microplate, supports the adhesion of the Jurkat human acute T cell leukemia cell line in a dose-dependent manner (orange line). Adhesion elicited by Recombinant Human Endocan/ESM-1 (20 µg/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Human Endocan/ESM-1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1810). The ND50 is typically 1-4 µg/mL.
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: Endocan/ESM-1
Endocan, also known as endothelial-cell specific molecule-1 (ESM-1), is a secreted cysteine-rich dermatan sulfate (DS) proteoglycan primarily expressed by endothelial cells within the vascular capillary network in kidney and in the alveolar walls of the lung (1). Endocan expression has also been detected in different epithelia and in adipocytes (2, 3). The expression of endocan is upregulated by TNF‑ alpha, IL-1 beta, or lipopolysaccharide and down-regulated by IFN‑ gamma (1). The human Endocan gene encodes a 184 amino acid (aa) residues precursor protein with a 19 aa hydrophobic signal peptide and a 165 aa mature region with 18 Cysteine residues (1). The DS chain is covalently attached to serine 137 (4). Endocan has been shown to bind CD11a/CD18 integrin (also known as lymphocyte function-associated antigen-1, LFA-1) on human lymphocytes, monocytes and Jurkat cells, inhibiting its binding to ICAM-1 and reducing LFA-1-mediated leukocyte activation (5). Endocan binds via its DS chain to hepatocyte growth factor (HGF) to enhance HGF mitogenic activity (3, 6). Genetically engineered cells overexpressing endocan has been shown to induce tumor formation, suggesting that Endocan may be involved in the pathophysiology of tumor growth in vivo (3, 6). Circulating Endocan can be detected in the serum from healthy subjects. In patients with lung cancer or acute and severe sepsis, elevated Endocan concentrations have been reported (2, 6).
- Lassalle, P. et al. (1996) J. Biol. Chem. 271:20458.
- Bechard, D. et al. (2000) J. Vasc. Res. 37:417.
- Wellner, M. et al. (2003) Horm. Metab. Res. 35:217.
- Bechard, D. et al. (2001) J. Biol. Chem. 276:48341.
- Bechard, D. et al. (2001) J. Immunol. 167:3099
- Scherpereel, A. et al. (2003) Cancer Res. 63:6084.
Product Datasheets
Citations for Human Endocan/ESM-1 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.
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Citations: Showing 1 - 5
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Regional specialization and fate specification of bone stromal cells in skeletal development
Authors: KK Sivaraj, HW Jeong, B Dharmaling, D Zeuschner, S Adams, M Potente, RH Adams
Cell Reports, 2021-07-13;36(2):109352.
Species: Mouse
Sample Types: Whole Tissue
Applications: IHC -
Circulating proteoglycan endocan mediates EGFR-driven progression of non-small cell lung cancer
Authors: YC Yang, KF Pan, WJ Lee, JH Chang, P Tan, CC Gu, WM Chang, SF Yang, M Hsiao, KT Hua, MH Chien
Cancer Res., 2020-06-19;0(0):.
Species: Human
Sample Types: Cell Lysates, Whole Tissue
Applications: IHC, Immunoprecipitation, Western Blot -
Upregulation of endocan by Epstein-Barr virus latent membrane protein 1 and its clinical significance in nasopharyngeal carcinoma.
Authors: Yu P, Chou S, Chen C, Hung H, Lai C, Yang P, Jeng Y, Liaw S, Kuo H, Hsu H, Chen J, Wang W
PLoS ONE, 2013-12-05;8(12):e82254.
Species: Human
Sample Types: Cell Culture Supernates
Applications: ELISA Development -
Transcriptional profiling of VEGF-A and VEGF-C target genes in lymphatic endothelium reveals endothelial-specific molecule-1 as a novel mediator of lymphangiogenesis.
Authors: Shin JW, Huggenberger R, Detmar M
Blood, 2008-07-09;112(6):2318-26.
Species: Human
Sample Types: Cell Lysates
Applications: Western Blot -
Endocan is a VEGF-A and PI3K regulated gene with increased expression in human renal cancer.
Authors: Rennel E, Mellberg S, Dimberg A, Petersson L, Botling J, Ameur A, Westholm JO, Komorowski J, Lassalle P, Cross MJ, Gerwins P
Exp. Cell Res., 2007-02-06;313(7):1285-94.
Species: Human
Sample Types: Whole Cells
Applications: Neutralization
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