Using phospho-STAT3 Antibody to Stain Breast and Ovarian Cancer Cells

Radiation Oncology
UAB
Research Scientist

Overall

Quality of Results

Ease-of-Optimization

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Company:

Cell Signaling Technology

Product Name:

phospho-STAT3 Antibody (Y705) 

Catalog Number:

9131

My research involves evaluation of drugs against signaling pathways such as STAT3. I used phospho-STAT3 antibody (9131) for western blotting of lysates from breast and ovarian cancer cells and struggled greatly in getting bands. At first, I thought endogenous levels were low; however, I used a different antibody (9145) which was much better!

Experimental Design and Results Summary

Applications

Western Blot

Sample

Human breast cancer cells

Primary Incubation

1:1000 in 4 degrees overnight

Blocking Agent

5% BSA in TBS-T

Secondary Incubation

1:2000

Tertiary Incubation

N/A

Detection

ECL Reagents

Results Summary

I got no signal when using the antibody on western blots. However, when I switched to another antibody (see #9145), it worked great!

DOI or PMID #

N/A

Additional Notes

N/A

Image Gallery

Summary

The Good

N/A

The Bad

No bands appear on western blot!

The Bottom Line

Do not use antibody 9131 (at least in breast/ovarian cancer cells)! Use 9145 instead!

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