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cre-loxP: how to check if the gene is expressed


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#1 gangut

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Posted 01 November 2010 - 04:27 AM

Hi, I've already posted this question in the Mol Biol section, but noone seems to know..

I have a Rosa26-loxP-stop-loxP-gfp construct that will be used for making mice overexpressing the gene of interest.
My question is whether I can check functionality of such a plasmid prior to using it in mice. Sequence is OK of course, but how will I know if the gene of interest will be expressed after final transfection and cre recombination?
Do you normally check your constructs by cotransfecting cell lines with the plasmid and a cre expressing plasmid, in order to see if gene expression occurs? or it doesn't work this way?
thanks a lot in advance
g.

Edited by gangut, 01 November 2010 - 05:06 AM.


#2 vivekp

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Posted 12 February 2011 - 11:20 AM

Hi, I've already posted this question in the Mol Biol section, but noone seems to know..

I have a Rosa26-loxP-stop-loxP-gfp construct that will be used for making mice overexpressing the gene of interest.
My question is whether I can check functionality of such a plasmid prior to using it in mice. Sequence is OK of course, but how will I know if the gene of interest will be expressed after final transfection and cre recombination?
Do you normally check your constructs by cotransfecting cell lines with the plasmid and a cre expressing plasmid, in order to see if gene expression occurs? or it doesn't work this way?
thanks a lot in advance
g.



when u clone ur gene in the vector there is no need to check the expression as it is well studied vector...usually u use a specific cre line where u want to express ur protein..eg..any organ..if u want to overexpress the protein only in muscle then u cud use MCK cre..hopefully i answered ur question...
best
V

#3 Boti

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Posted 13 February 2011 - 02:32 PM

PCR

#4 Fungus_Dreams

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Posted 02 May 2011 - 10:31 AM

Raise some mice, collect DNA samples (tail snips), and run a PCR on the samples :)




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