Flow cytometric analysis of MDA-MB-231 cells (blue) and Jurkat cells (green) using Coronin 1A (D6K5B) XP® Rabbit mAb (Alexa Fluor® 647 Conjugate) (solid lines) or a concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control (Alexa Fluor® 647 Conjugate) #2985 (dashed lines).
This Cell Signaling Technology antibody is conjugated to Alexa Fluor® 647 fluorescent dye and tested in-house for direct flow cytometric analysis in human cells. This antibody is expected to exhibit the same species cross-reactivity as the unconjugated Coronin 1A (D6K5B) XP® Rabbit mAb #92904.
Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. Store at 4°C. Do not aliquot the antibody. Protect from light. Do not freeze.
All reagents required for this protocol may be efficiently purchased together in our Intracellular Flow Cytometry Kit (Methanol) #13593, or individually using the catalog numbers listed below.
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.
NOTE: When including fluorescent cellular dyes in your experiment (including viability dyes, DNA dyes, etc.), please refer to the dye product page for the recommended protocol. Visit www.cellsignal.com for a full listing of cellular dyes validated for use in flow cytometry.
NOTE: Adherent cells or tissue should be dissociated and in single-cell suspension prior to fixation.
NOTE: Optimal centrifugation conditions will vary depending upon cell type and reagent volume. Generally, 150-300g for 1-5 minutes will be sufficient to pellet the cells.
NOTE: If using whole blood, lyse red blood cells and wash by centrifugation prior to fixation.
NOTE: Antibodies targeting CD markers or other extracellular proteins may be added prior to fixation if the epitope is disrupted by formaldehyde and/or methanol. The antibodies will remain bound to the target of interest during the fixation and permeabilization process. However, note that some fluorophores (including PE and APC) are damaged by methanol and thus should not be added prior to permeabilization. Conduct a small-scale experiment if you are unsure.
NOTE: Count cells using a hemocytometer or alternative method.
posted July 2009
revised June 2020
Protocol Id: 407
Coronin 1A (D6K5B) XP® Rabbit mAb (Alexa Fluor® 647 Conjugate) recognizes endogenous levels of total coronin 1A protein. Based on the sequence of the immunogenic peptide, this antibody is not expected to cross-react with other coronin protein family members.
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Val200 of human coronin 1A protein.
The coronin family of actin-binding proteins regulates a variety of cellular functions, including migration, phagocytosis, and cytokinesis. Coronin 1A is highly expressed in lymphocytes, and is required for appropriate immune regulation in mice and humans. Researchers are investigating coronin 1A as a potential therapeutic target for autoimmune diseases and lymphoid cancers (1,2). Coronin 1A affects bone resorption through its regulation of lysosome fusion and secretion of cathepsin K in osteoclasts (3). In the nervous system, coronin 1A has been shown to regulate GPCR signaling and neurite outgrowth (4,5).
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