Aminopeptidase PILS/ARTS1 in A549 Human Cell Line. Aminopeptidase PILS/ARTS1 was detected in immersion fixed A549 human lung carcinoma cell line using Goat Anti-Human Aminopeptidase PILS/ARTS1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2334) at 15 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.
Aminopeptidase PILS/ARTS1 in Human Liver. Aminopeptidase PILS/ARTS1 was detected in immersion fixed paraffin-embedded sections of human liver using Goat Anti-Human Aminopeptidase PILS/ARTS1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2334) at 1 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 hepatocyte cytoplasm. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
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: Aminopeptidase PILS/ARTS1
The name of Aminopetidase PILS (Puromycin-Insensitive Leucyl-Specific) describes the two basic properties of this zinc metalloprotease in vitro (1). Also known as ALAP (Adipocyte-derived Leucin AiminoPeptidase), type 1 tumor necrosis factor receptor (TNFR) shedding aminopeptidase regulator and ER aminopeptidase ERAP1 or ERAAP, it is encoded by the ARTS1 gene (2‑4). Aminopeptidase PILS has been identified to regulate antigen presentation, promote TNFR1 ectodomain shedding and associate with hypertension (2‑5).
Schomburg, L. (2004) in Handbook of Proteolytic Enzymes (ed. Barrett, et al.) pp. 311, Academic Press, San Diego.
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