Human Pref-1/DLK1/FA1 Antibody
Human Pref-1/DLK1/FA1 Antibody Summary
Ala24-Pro297 with Arg248Pro and Lys295Ser substitutions
Accession # AAA75364
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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 Pref‑1/DLK1/FA1 by Western Blot. Western blot shows lysates of human adrenal gland tissue and human placenta tissue. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human Pref-1/DLK1/FA1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1144) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for Pref-1/DLK1/FA1 at approximately 45-60 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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Pref‑1/DLK1/FA1 in HepG2 Human Cell Line. Pref-1/DLK1/FA1 was detected in immersion fixed HepG2 human hepatocellular carcinoma cell line using Goat Anti-Human Pref-1/DLK1/FA1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1144) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
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: Pref-1/DLK1/FA1
Pref-1 (Preadipocyte factor 1; also DLK-1 and FA1) is a 58-65 kDa member of the Notch/Serrata/Delta family of proteins. It is expressed in prechondrocytes and preadipocytes and appears to block progenitor cell differentiation into mature cell lineages. Mature human Pref-1 is a 360 amino acid (aa) type I transmembrane N- and O-linked glycoprotein. It contains a 280 aa extracellular region (aa 24-303), a 24 aa transmembrane segment (aa 304-327), and a 56 aa cytoplasmic domain (aa 328-383). The extracellular region contains six EGF-like domains, and undergoes proteolytic cleavage to generate a bioactive 50 kDa fragment, plus three 25‑31 kDa fragments that show no activity. There are multiple potential splice variants. One shows a deletion of aa 229-301, a second possesses a six aa substitution for aa 1‑52, a third shows a deletion of aa 210-277, while a fourth contains a six aa substitution for aa # 207-383. Over aa 24-297, human Pref-1 shares 82% aa identity with mouse Pref-1.
Product Datasheets
Citation for Human Pref-1/DLK1/FA1 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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Distinct fibroblast lineages determine dermal architecture in skin development and repair.
Authors: Driskell R, Lichtenberger B, Hoste E, Kretzschmar K, Simons B, Charalambous M, Ferron S, Herault Y, Pavlovic G, Ferguson-Smith A, Watt F
Nature, 2013;504(7479):277-81.
Species: Mouse
Sample Types: Whole Tissue
Applications: IHC-Fr
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