Confocal immunofluorescent analysis of H3255 (left) and 293T (right) cells using Napsin A (D2G1Y) Rabbit mAb (IF Formulated) (green) and β-Actin (8H10D10) Mouse mAb #3700 (red). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).Learn more about how we get our images.
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalently purified water.
Recommended Fluorochrome-conjugated Anti-Rabbit secondary antibodies:
NOTE: Cells should be grown, treated, fixed and stained directly in multi-well plates, chamber slides or on coverslips.
NOTE: All subsequent incubations should be carried out at room temperature unless otherwise noted in a humid light-tight box or covered dish/plate to prevent drying and fluorochrome fading.
posted December 2010
Protocol Id: 3
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.
Napsin A (D2G1Y) Rabbit mAb (IF Formulated) recognizes endogenous levels of total napsin A protein.
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the amino terminus of human napsin A protein.
Napsin A is an aspartic proteinase that is expressed in normal lung and kidney (1). In the lung, napsin A is expressed by type II pneumocytes and alveolar macrophages, where it plays a role in processing surfactant protein B (2). Napsin A is expressed in lung adenocarcinomas, where it can be used to identify primary and metastatic lesions with greater sensitivity compared to TTF-1 (3,4). Napsin A expression has also been described in other types of cancer, such as kidney and thyroid cancer (5).
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc. DRAQ5 is a registered trademark of Biostatus Limited.
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