Assessing Total eIF2a

Food Science and Human Nutrition
Colorado State University
Graduate Student

Overall

Quality of Results

Ease-of-Optimization

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Company:

Santa Cruz Biotechnology, Inc.

Product Name:

eIF2a (D-3)

Catalog Number:

sc-133132

The purpose of this study was to assess a mechanism responsible for possible protein synthesis in a variety of treatments. Phosphorylated eIF2a is responsible for global protein translation attenuation in the ER and is activated in response to ER stress and UPR activation. The goal of this experiment was to assess the amount of phosphorylated eIF2a to be able to determine how much protein synthesis is occurring or not occurring in a variety of treatment groups.

Experimental Design and Results Summary

Applications

Western Blot

Sample

Total cell lysates of H4IIE rat hepatoma cells

Primary Incubation

1:1000 antibody, 0.1% tween, in 1:3 li-cor odyssey block: TBS overnight at 4 degrees C.

Blocking Agent

Li-Cor Odyssey Block for 1 hour.

Secondary Incubation

1:15,000 Li-Cor IRDye 680RD, 0.1% tween, 0.02% SDS, in 1:3 odyssey block: TBS at room temperature for 1 hour

Tertiary Incubation

NA

Detection

Li-Cor Odyssey infrared Imaging system

Results Summary

Total eIF2a is clearly visible and has little background signal.

Additional Notes

None

Related Categories

Image Gallery

Summary

The Good

Clearly visible. Little to no background signal.

The Bad

None

The Bottom Line

Total eIF2a antibody works well and no optimization was required.

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