Best Phospho-STAT3 Antibody

Research
University of North Carolina at Chapel Hill
Laboratory Technician

Overall

Quality of Results

Ease-of-Optimization

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Company:

Cell Signaling Technology

Product Name:

Phospho-Stat3 (Tyr705) (D3A7) XP® Rabbit mAb

Catalog Number:

9145

Our lab works with kinases involved in kidney cancer, including STAT3. We needed to reliably detect low protein levels of phosphorylated STAT3 (at Tyr705) in 786-0 cell lysates, and had no problem doing so with this antibody. We always start out with Cell Signaling antibodies because of their reputation, and we're glad once again that we did.

Experimental Design and Results Summary

Applications

Western Blot

Sample

786-0 Cell Lysates

Primary Incubation

1:1000 Dilution Overnight in 5% BSA in 1X TBS-T at 4C

Blocking Agent

5% Milk in 1X TBS-T

Secondary Incubation

1:5000 dilution of HRP-conjugated Rabbit secondary in 5% Milk in TBS-T for 1 hour at RT

Tertiary Incubation

None

Detection

ECL/FEMTO --> Autoradiography Film via HRP-Conjugate Rabbit Secondary Antibody

Results Summary

With no need for additional optimization, we were able to accurately and reliably detect phospho-STAT3 levels in our cell lysates. We went down to 20 ugrams per well and were still able to detect the protein, which was particularly impressive. Great results.

Additional Notes

Re-use the antibody to get a cleaner result

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Summary

The Good

Clean, Works Great

The Bad

Expensive

The Bottom Line

Cell Signaling never fails to impress me with the quality of their antibodies. This pSTAT3 antibody is the best I've ever worked with and I highly recommend it for other researchers.

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