SERT Antibody From Synaptic Systems GIves Non-Specific Bands

Physiology and Biophysics
State University of New York at Buffalo
Postdoctoral Researcher

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Company:

Synaptic Systems

Product Name:

SERT antibody

Catalog Number:

340 003

Clone Number:

Polyclonal

SERT antibody (340 003) from Synaptic Systems was used to assess serotonin transporter expression in the mouse prefrontal cortex (bulk tissue).

Experimental Design and Results Summary

Applications

Western blot

Sample

Mouse prefrontal cortex (bulk tissue)

Primary Incubation

SERT antibody (340 003) dilution: 1:5000; overnight incubation at 4 °C on shaker

Blocking Agent

5 % (w/v) skimmed milk powder; 5 % normal normal goat serum

Secondary Incubation

Goat Anti-Rabbit IgG H&L (HRP) (ab205718) dilution: 1:2000; 1 hour incubation at room temperature

Tertiary Incubation

N/A

Detection

Chemiluminescent detection using Optiblot ECL Detect Kit (ab133406)

Results Summary

Multiple bands at various molecular weights were present after incubation with the SERT antibody (340 003) from Synaptic Systems. Image: Nitrocellulose membrane (0.45 um). To determine the appropriate sample load, 1, 5, 10, 20, and 50 µg of protein samples were loaded into the gel. The ideal load is 10-20 µg for target protein detection.

DOI or PMID #

N/A

Additional Notes

Diluted antibody solution can be stored at +4°C for at least two weeks with comparably good results. Stock solution can be stored for several years without noticeable quality loss. Dilution of 1:1000 works well in our hands but must possibly be optimiZed depending on expression level. Other applications than Western Blot are described by the supplier but were not tested.

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Summary

The Good

Works with a low dilution 1:5000.

The Bad

Multiple non-specific bands

The Bottom Line

I can't recommend this antibody due to the non-specific signal. We used different blocking agents, and the result was consistent.

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