Hopefully Chris van der Loos is looking in on this and will send the person who needs to do double IHC. He just published a very useful method in Journal of Histotechnology on this subject where the first antibody complex is removed, leaving behind chromogen after a retrieval method followed by the second antibody complex with a different chromogen. He may have a pdf of his publication available.

Gayle M. Callis
HTL/HT/MT(ASCP)
----- Original Message ----- From: "Paula Pierce" <[EMAIL PROTECTED]> To: "Edwards, R.E." <[EMAIL PROTECTED]>; "Histonet" <histonet@lists.utsouthwestern.edu>
Sent: Monday, November 03, 2008 7:23 AM
Subject: Re: [Histonet] double trouble


Incubate with one antibody and use DAB as the chromagen, then go back and incubate with the second antibody and use a colored chromagen such as AEC.


Paula



----- Original Message ----
From: "Edwards, R.E.." <[EMAIL PROTECTED]>
To: histonet <histonet@lists.utsouthwestern.edu>
Sent: Monday, November 3, 2008 8:08:46 AM
Subject: [Histonet] double trouble


OK chaps, which in your opinion is the best double labelling method when one is using primary antibodies raised in the same species, I am aware that Vector labs supply such a kit; many thanks..

Cheers
Richard Edwards
University of Leicester

U.K....


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