Good Centromere Antibody Produced In Rabbits

Biology
Franklin and Marshall College
assistant professor

Overall

Quality of Results

Ease-of-Optimization

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Company:

Cell Signaling Technology

Product Name:

CENP-A Antibody

Catalog Number:

2186

This antibody (2186) was used to perform immunofluorescence microscopy on HeLa cells to detect endogenous CENP-A, also known as the chromatin-associated protein CSE4 (capping-enzyme suppressor 4-p). 2186 showed moderate immunoreactivity that was consistent with the centromere. Background levels were also moderate. This antibody is a good choice for multicolor microscopy.

Experimental Design and Results Summary

Applications

Immunofluorescence

Sample

HeLa cells fixed in 3.7% paraformadehyde

Primary Incubation

1 hour at room temperature at 1:100 in blocking agent

Blocking Agent

PBS in 1% normal goat serum and 0.1% triton X-100

Secondary Incubation

Goat anti-rabbit conjugated to Alexa 568

Tertiary Incubation

DAPI

Detection

Confocal microscopy

Results Summary

This antibody produced moderately strong staining on Hela cells, there was also a moderate level of background staining that was non-nuclear. Overall this antibody appears to be specific to the centromeres.

DOI or PMID #

N/A

Additional Notes

N/A

Related Categories

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Summary

The Good

Staining was moderate

The Bad

A moderate level of background

The Bottom Line

This antibody worked in our application, but there might be a more specific antibody that has less background issues.

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