Human DLL1 Antibody Summary
Accession # AAG09716
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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.
DLL1 in HepG2 Human Cell Line. DLL1 was detected in immersion fixed HepG2 human hepatocellular carcinoma cell line using Mouse Anti-Human DLL1 Monoclonal Antibody (Catalog # MAB18181) at 25 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
DLL1 in Human Breast Cancer Tissue. DLL1 was detected in immersion fixed paraffin-embedded sections of human breast cancer tissue using Mouse Anti-Human DLL1 Monoclonal Antibody (Catalog # MAB18181) at 1.7 µg/mL for 1 hour at room temperature followed by incubation with the Anti-Mouse IgG VisUCyte™ HRP Polymer Antibody (VC001). Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (CTS013). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to cytoplasm in cancer cells. Staining was performed using our protocol for IHC Staining with VisUCyte HRP Polymer Detection Reagents.
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.
Delta-like protein 1 (DLL1) is a 90‑100 kDa type I transmembrane protein that belongs to the Delta/Serrate/Lag-2 (DSL) family of Notch ligands. Mature human DLL1 consists of a 528 amino acid (aa) extracellular domain (ECD) with one DSL domain and eight EGF-like repeats, a 23 aa transmembrane segment, and a 155 aa cytoplasmic domain (1). Within the ECD, human DLL1 shares 91% aa sequence identity with mouse and rat DLL1. It shares 26%, 37%, and 54% aa sequence identity with DLL2, 3, and 4, respectively. A 60 kDa ECD fragment released by ADAM9, 12, or 17 mediated proteolysis, promotes the proliferation of hematopoietic progenitor cells (2, 3). The residual membrane-bound portion of DLL1 can be cleaved by presenilin-dependent gamma -secretase, enabling the cytoplasmic domain to migrate to the nucleus (4). DLL1 localizes to adherens junctions on neuronal processes through its association with the scaffolding protein MAGI1 (5). DLL1 is widely expressed, and it plays an important role in embryonic somite formation, cochlear hair cell differentiation, plus B and T lymphocyte differentiation (6‑11). The upregulation of DLL1 in arterial endothelial cells following injury or angiogenic stimulation is central to postnatal arteriogenesis (12). DLL1 is also overexpressed in cervical carcinoma and glioma and contributes to tumor progression (1, 13).
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- Limbourg, A. et al. (2007) Circ. Res. 100:363.
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Citations for Human DLL1 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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Hypoxia-induced Jagged2 promotes breast cancer metastasis and self-renewal of cancer stem-like cells.
Authors: Xing F, Okuda H, Watabe M, Kobayashi A, Pai SK, Liu W, Pandey PR, Fukuda K, Hirota S, Sugai T, Wakabayshi G, Koeda K, Kashiwaba M, Suzuki K, Chiba T, Endo M, Mo YY, Watabe K
Sample Types: Whole Tissue
Influence of the Notch system in the therapeutic response of American tegumentary leishmaniasis.
Authors: Rodrigues KM, Oliveira MP, Maretti-Mira AC, Oliveira-Neto MP, Mattos MS, Silva L, Soares DA, Dolci EL, Perico RA, Pirmez C
Br. J. Dermatol., 2011;164(6):1228-34.
Sample Types: Whole Tissue
Notch activation differentially regulates renal progenitors proliferation and differentiation toward the podocyte lineage in glomerular disorders.
Authors: Lasagni L, Ballerini L, Angelotti ML
Stem Cells, 2010;28(9):1674-85.
Sample Types: Whole Cells
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