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AB235901

Phagocytosis Assay Kit (Red E. coli)

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(1 Publication)

Phagocytosis Assay Kit ab235901 uses heat-killed E. coli particles, that are fluorescently labeled with a red dye, to detect and quantify in vitro phagocytosis by fluorescent microscope, fluorometric plate reader or flow cytometry.

- Ex/Em 540/570 nm
- Validated as macrophage phagocytosis assay.
- includes labeled E.coli and assay buffer. Also includes quenching solution for readout on microscope / plate reader.
3 Images
Functional Studies - Phagocytosis Assay Kit (Red E. coli) (AB235901)
  • FuncS

Supplier Data

Functional Studies - Phagocytosis Assay Kit (Red E. coli) (AB235901)

Inhibition of phagocytosis. J774 macrophages were seeded overnight at 5 x 105 of viable cells/well. The next day the cells were pretreated with 20 μM Cytochalasin D for 1 hour at 37°C prior to addition of 5 μL of E. coli particles. Phagocytosis was conducted for 2 hours and the amount of engulfed E. coli was determined as described in the Assay Protocol. Panel A and B : images of nontreated cells. Panel C and D : treatment with Cytochalasin D.

Flow Cytometry - Phagocytosis Assay Kit (Red E. coli) (AB235901)
  • Flow Cyt

Supplier Data

Flow Cytometry - Phagocytosis Assay Kit (Red E. coli) (AB235901)

J774 macrophages were seeded overnight at 5 x 105 of viable cells/well. The next day the cells were pretreated with 20 μM Cytochalasin D for 1 hour at 37°C prior to addition of 5 μL of E. coli particles. Phagocytosis was conducted for 2 hours and the amount of engulfed E. coli was determined as described in the Assay Protocol. Blue line : untreated control cells; red line : macrophages with engulfed E. coli particles; green line : inhibition of phagocytosis by Cytochalasin D.

Functional Studies - Phagocytosis Assay Kit (Red E. coli) (AB235901)
  • FuncS

Supplier Data

Functional Studies - Phagocytosis Assay Kit (Red E. coli) (AB235901)

E. coli Standard curve.

Key facts

Detection method

Fluorescent

Sample types

Suspension cells, Adherent cells

Assay Platform

Microplate reader, Fluor. microscope, Flow cyt.

Product details

Phagocytosis Assay Kit (Red E. coli) (ab235901) uses heat-killed, fluorescently pre-labeled E. coli particles as a tool for rapid and accurate detection and quantification of in vitro phagocytosis by fluorescent microscope, spectrophotometer or flow cytometry. The kit provides a robust screening system for activators and/or inhibitors of phagocytosis and Toll-like receptor (TLR) ligands.

Phagocytosis assay protocol summary
- add Red E. coli reagent to cells, and incubate for 2-3 hours
- harvest cells by centrifugation, remove supernatant, and resuspend cells in Assay Buffer; repeat wash step 3 times
- for fluorescent microscope or fluorometric plate reader analysis, use Quenching Solution
- analyze cells with flow cytometer, fluorescent microscope, or fluorometric plate reader

Related phagocytosis assays
Phagocytosis Assay Kit (Green E.coli) ab235900
Phagocytosis Assay Kit (Green Zymosan) ab234053
Phagocytosis Assay Kit (Red Zymosan) ab234054
Phagocytosis Assay Kit (Zymosan, Colorimetric) ab211156

Other notes
This product was previously called K964 Biovision EZCell™ Phagocytosis Assay Kit (Red E. coli). Biovision was acquired by Abcam in 2021.

Phagocytosis in mammals serves as an important first line defense mechanism against invading pathogens. It is also essential for continuous clearance of dying cells, tissue remodeling, and acquisition of nutrients for some cells. Phagocytosis is a specific form of endocytosis initiated by recognition and binding of foreign particles by cell surface receptors, followed by their engulfment, and formation of phagosomes. Maturing phagosomes transform to phagolysosomes which destroy the pathogen through enzymes and toxic peroxides. E. coli and other bacterial strains are often used as a pathogen in phagocytosis assays.

The Safety Datasheet for this product has been updated for certain countries. Please check the current version in the Support and downloads section.

What's included?

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Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Storage information
Please refer to protocols

Product protocols

Target data

Publications (1)

Recent publications for all applications. Explore the full list and refine your search

STAR protocols 5:102827 PubMed38219151

2024

Differentiation of monocytes and polarized M1/M2 macrophages from human induced pluripotent stem cells.

Applications

Unspecified application

Species

Unspecified reactive species

Tea Soon Park,Rishabh Hirday,Russell Quinn,Sheela Panicker Jacob,Ricardo A Feldman,Devika Bose,Ruchi Sharma,Kapil Bharti
View all publications
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