Antibody against CD44 N-terminus

The Cell and Molecular Biology
The Scripps Research Institute
Assistant Professor

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Company:

Boster

Product Name:

Anti-CD44 Picoband Antibody (against N-terminus)

Catalog Number:

PB9333

Polyclonal rabbit antibody from Boster against N-terminal domain of CD44, PB9333, was evaluated in western blotting with the lysates of human cancer cells positive for expression of CD44 and recombinant N-terminal domain of CD44. The antibody produced very good results consistent with expected mol. wt. of analyzed proteins.

Experimental Design and Results Summary

Applications

Western Blot

Sample

Tumor cell lysate and recombinant protein

Primary Incubation

Overnight, at 4-8 degrees Celsius, at 1 ug/mL in 5% milk/PBS/0.05% Tween 20

Blocking Agent

5% milk in PBS/0.05% Tween-20 (5% milk/PBS/Tw)

Secondary Incubation

Goat anti-rabbit antibody conjugated with HRP at 1:5,000 in 5% milk/PBS/Tw

Tertiary Incubation

None

Detection

SuperSignal West Pico Chemiluminescent Substrate (Thermo Scientific)

Results Summary

The rabbit antibody PB9333 from Boster produced very good results in western blotting with the lysate of human CD44-positive cancer cells as well as with the recombinant N-terminal protein. The detection was specific, resulting only in the protein bands of expected mol. weights, i.e., 80 kDa full-length CD44, and approximately 50 kDa CD44 cleavage product in the cell lysate, and approximately 50 kDa band with the recombinant N-terminal protein of 43-48 kDa.

Additional Notes

The antibody is also capable of detecting shed CD44 in conditioned medium

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Summary

The Good

High specificity and stability

The Bad

None detected

The Bottom Line

I would highly recommend this antibody for detection of CD44 in human cells by western blotting.

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