Human DDR1 Antibody Summary
Accession # Q08345
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.
Detection of Human DDR1 by Western Blot.
Detection of Human DDR1 by Western Blot.Western blot shows lysates of K562 human chronic myelogenous leukemia cell line and MCF‑7 human breast cancer cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human DDR1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2396) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). Specific bands were detected for DDR1 at approximately 100 and 120 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
DDR1 in Human Breast Cancer Tissue.
DDR1 in Human Breast Cancer Tissue.DDR1 was detected in immersion fixed paraffin-embedded sections of human breast cancer tissue using Human DDR1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2396) at 15 µg/mL overnight at 4 °C. Before incubation with the primary antibody tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Detection of Human DDR1 by Simple WesternTM.
12-230 kDa separation system.
Detection of Human DDR1 by Simple WesternTM.Simple Western lane view shows lysates of MCF‑7 human breast cancer cell line, loaded at 0.2 mg/mL. A specific band was detected for DDR1 at approximately 137 kDa (as indicated) using 10 µg/mL of Goat Anti-Human DDR1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2396) 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
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.
DDR1, also known as CAK, CD167a, RTK6, and TrkE, is a 120-140 kDa type I transmembrane glycoprotein that belongs to the discoidin-like domain containing subfamily of receptor tyrosine kinases. Mature human DDR2 consists of a 398 amino acid (aa) extracellular domain (ECD) that includes the discoidin-like domain, a 27 aa transmembrane segment, and a 470 aa cytoplasmic region with a tyrosine kinase domain. Within the ECD, human DDR1 shares 53% aa sequence identity with human DDR2 and 93% with mouse and rat DDR1. DDR1 is expressed on epithelial tissues, activated monocytes and neutrophils, and in several cancers. Compared to isoform DDR1b, DDR1a lacks 37 aa’s that include a Shc-interacting NPxY motif in the cytoplasmic juxtamembrane region. Two additional kinase deficient splice forms are expressed in colon cancer. The discoidin-like domain mediates binding to collagens I-V. DDR1 selectively recognizes the triple helical structure of collagen. It is expressed on the cell surface as a dimer which can include different isoforms. DDR1 oligomerization enhances collagen binding and also modulates collagen fibrillogenesis. The transmembrane segment contains a leucine zipper and GxxxG motif, but neither is exclusively required for dimerization. Collagen binding induces prolonged autophosphorylation, including the NPxY motif. Collagen binding also results in the proteolytic cleavage of a tyrosine phosphorylated 60 kDa C-terminal fragment (CTF), and a 60 kDa ECD fragment. TIMP3 and TAPI-1 inhibit shedding of the ECD fragment but not the CTF. Over-expression of DDR1a promotes MMP-2 activation and results in an increased invasiveness of a glioblastoma cell line; DDR1b does not.
Citations for Human DDR1 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.
Citations: Showing 1 - 3
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Cancer Cell Invasion in Three-dimensional Collagen Is Regulated Differentially by Galpha13 Protein and Discoidin Domain Receptor 1-Par3 Protein Signaling.
Authors: Chow C, Ebine K, Knab L, Bentrem D, Kumar K, Munshi H
J Biol Chem, 2016;291(4):1605-18.
Sample Types: Cell Lysates
Applications: Western Blot
Shedding of discoidin domain receptor 1 by membrane-type matrix metalloproteinases.
Authors: Fu, Hsueh-Li, Sohail, Anjum, Valiathan, Rajeshwa, Wasinski, Benjamin, Kumarasiri, Malika, Mahasenan, Kiran V, Bernardo, M Margar, Tokmina-Roszyk, Dorota, Fields, Gregg B, Mobashery, Shahriar, Fridman, Rafael
J Biol Chem, 2013;288(17):12114-29.
Type II collagen levels correlate with mineralization by articular cartilage vesicles.
Authors: Jubeck B, Muth E, Gohr CM, Rosenthal AK
Arthritis Rheum., 2009;60(9):2741-6.
Sample Types: Whole Tissue
Applications: Western Blot
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