Human Lumican Antibody
Human Lumican Antibody Summary
Gln19-Asn338
Accession # P51884
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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 Lumican by Western Blot. Western blot shows lysates of human colon tissue. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human Lumican Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2846) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for Lumican at approximately 60-85 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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Lumican in Human Kidney. Lumican was detected in immersion fixed paraffin-embedded sections of human kidney using Goat Anti-Human Lumican Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2846) 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). Specific staining was localized to convoluted tubules. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
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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: Lumican
Lumican is a 40 kDa member of the family of small leucine-rich repeat proteoglycans (SLRPs) and the class II subfamily (1). Human Lumican is synthesized as a 338 amino acid (aa) precursor that contains an 18 aa signal sequence and a 320 aa mature chain. The mature chain contains a negatively charged N-terminal domain containing sulfated tyrosine and disulfide bonds, 12 leucine-rich repeats (LRRs), four potential sites of N-linked glycosylation, and a carboxyl terminal domain containing two conserved cysteines (1). Mature human Lumican is 88%, 87%, and 70% aa identical to mature mouse, rat, and chick Lumican, respectively. SLRPs constitute an important fraction of noncollagenous extracellular matrix proteins (ECM) proteins (1, 2). Lumican is expressed in a variety of tissues, including skin, artery, lung, cornea, kidney, bone, aorta, and articular cartilage (1). Lumican’s role in vivo has been found using Lumican null mice. These mice have functional deficits including corneal opacity as well as skin and tendon fragility associated with disorganized and loosely packed collagen fibers (1, 3‑6). The abnormal connective tissue phenotype seen in the Lumican null mice shows the importance of the role of Lumican in collagen fibrillogenesis (1). In addition to the control of collagen fibril assembly, Lumican has been shown to play a role in the regulation of cell proliferation (7, 8), migration (8, 9), and adhesion (9). Lumican’s overexpression has been reported in carcinoid tumor, breast, colorectal, neuroendocrine, uterine cervical and pancreatic cancers (10).
- Nikitovic, D. et al. (2008) IUBMB Life 60:818.
- Blochberger, T.C. et al. (1992) J. Biol. Chem. 267:347.
- Chakravarti, S. et al. (1998) J. Cell Biol. 141:1277.
- Chakravarti, S. et al. (2000) Invest. Ophthalmol. Vis. Sci. 41:3365.
- Jepsen, K.J. et al. (2002) J. Biol. Chem. 277:35532.
- Chakravarti, S. et al. (2003) Invest. Ophthalmol. Vis. Sci. 44:2422.
- Vuillermoz, B. et al. (2004) Exp. Cell Res. 296:294.
- Nikitovic, D. et al. (2008) FEBS J. 275:350.
- D’Onofrio, M.F. et al. (2008) Biochem. Biophys. Res. Commun. 365:266.
- Ishiwata, T. et al. (2007) Oncol. Rep. 18:537.
Product Datasheets
Citations for Human Lumican 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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Hypoxia-induced autophagy of stellate cells inhibits expression and secretion of lumican into microenvironment of pancreatic ductal adenocarcinoma
Authors: X Li, Y Lee, Y Kang, B Dai, MR Perez, M Pratt, EJ Koay, M Kim, RA Brekken, JB Fleming
Cell Death Differ., 2019;26(2):382-393.
Species: Human
Sample Types: Whole Tissue
Applications: IHC -
Extracellular lumican inhibits pancreatic cancer cell growth and is associated with prolonged survival after surgery.
Authors: Li X, Truty M, Kang Y, Chopin-Laly X, Zhang R, Roife D, Chatterjee D, Lin E, Thomas R, Wang H, Katz M, Fleming J
Clin Cancer Res, 2014;20(24):6529-40.
Species: Human
Sample Types: Whole Tissue
Applications: IHC -
Resistance of corneal RFUVA-cross-linked collagens and small leucine-rich proteoglycans to degradation by matrix metalloproteinases.
Authors: Zhang Y, Mao X, Schwend T, Littlechild S, Conrad G
Invest Ophthalmol Vis Sci, 2013;54(2):1014-25.
Species: Human
Sample Types: Protein
Applications: Western Blot -
Lumican, an extracellular matrix proteoglycan, is a novel requisite for hepatic fibrosis.
Authors: Krishnan A, Li X, Kao W, Viker K, Butters K, Masuoka H, Knudsen B, Gores G, Charlton M
Lab Invest, 2012;92(12):1712-25.
Species: Mouse
Sample Types: Whole Tissue
Applications: IHC-P -
Effects of Ultraviolet-A and Riboflavin on the Interaction of Collagen and Proteoglycans during Corneal Cross-linking.
Authors: Zhang Y, Conrad AH, Conrad GW
J. Biol. Chem., 2011;286(15):13011-22.
Species: Bovine
Sample Types: Tissue Homogenates
Applications: Western Blot -
HMGA2 overexpression-induced ovarian surface epithelial transformation is mediated through regulation of EMT genes.
Authors: Wu J, Liu Z, Shao C, Gong Y, Hernando E, Lee P, Narita M, Muller W, Liu J, Wei JJ
Cancer Res., 2011;71(2):349-59.
Species: Human
Sample Types: Cell Lysates
Applications: Western Blot
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