Human Laminin  alpha 3/Laminin-5 Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human Laminin alpha 3/Laminin‑5 in direct ELISAs and Western blots. In direct ELISAs, no cross reactivity with recombinant human Laminin  alpha 1, beta 1, gamma 2, or recombinant mouse Laminin  alpha 4 is observed.
  • Source
    Monoclonal Mouse IgG1 Clone # 546215
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    Chinese hamster ovary cell line CHO-derived recombinant human Laminin alpha 3/Laminin‑5
    aa 21-1713
    Accession # NP_000218
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
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.
Data Examples
Detection of Human Laminin  alpha 3/Laminin‑5 by Western Blot.

Western blot shows lysates of human lung tissue. PVDF Membrane was probed with 2 µg/mL of Mouse Anti-Human Laminin  alpha 3/
Laminin‑5 Monoclonal Antibody (Catalog # MAB21441) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for Laminin  alpha 3/Laminin‑5 at approximately 190 kDa (as indicated). This experiment was conducted under non-reducing conditions and using Immunoblot Buffer Group 1.

Immunocytochemistry
Laminin  alpha 3/Laminin‑5 in NHEK Human Cell Line. Laminin  alpha 3/Laminin‑5 was detected in immersion fixed NHEK human normal epidermal keratinocytes treated with 10ng/mL Recombinant Human TGF-beta 1 (Catalog # 240-B) for 24 hours using Mouse Anti-Human Laminin  alpha 3/Laminin‑5 Monoclonal Antibody (Catalog # MAB21441) at 10 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 the perinuclear space. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 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: Laminin alpha 3/Laminin-5

Laminins are heterotrimeric, noncollagenous glycoproteins composed of alpha, beta, and gamma  chains. Through interactions with integrins, dystroglycan and other receptors, laminins contribute to cell differentiation, cell shape and migration, and maintenance of tissue phenotypes and survival. Laminin alpha 3/Laminin-5, also known as epiligrin, includes alpha 3, beta 3, and gamma 2 subunits. It is abundant in transitional epithelium, stratified squamous epithelia, lung mucosa and other epithelial glands and contributes to initiation and maintenance of epithelial cell anchorage to the underlying connective tissue. Within aa 21‑1713 of the alpha 3 subunit, human and mouse share 77% amino acid sequence identity.

  • Entrez Gene IDs:
    3909 (Human)
  • Alternate Names:
    Epiligrin; LAMA3; Laminin alpha 3; Laminin5; Laminin-5
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