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Prolonged EGF induction for migration assay

EGF Migration

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#1 Scienceguy 1

Scienceguy 1


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Posted 10 February 2016 - 07:12 PM



I'm looking at setting up scratch wound migration experiments, this normally takes 24-48hs. I am using MCF10A stable cell lines and MDA-MB-231 cells with transient transfection against the same set of genes. Scratch wound assays I've performed have given me a difference relative to my negative controls, and now I want to test whether this is sensitive to EGF induction.


In my reading, I've only seen EGF induction for a maximum of 1hr, I believe if it is prolonged then negative feedback gets in the way. My worry is that if I only treat for 1 hour then the effects won't carry through for the full time course.


My question is, how can I have a prolonged EGF induction over my 24-48 hour time course?


An additional minor question, after serum starvation, do you add EGF and serum or just EGF?


Looking forward to some enlightenment ;)

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