We use a section of colon with colonic adenocarcinoma that also contains normal epithelium.  If you are seeing weak staining you probably are not achieving optimal antigen retrieval.  We use BioGenex's mAb at 1:200 following high pH HIER on the Bond Max and obtain excellent immunoreactivity.

Richard

Richard W. Cartun, Ph.D.
Director, Immunopathology & Histology
Assistant Director, Anatomic Pathology
Hartford Hospital
80 Seymour Street
Hartford, CT  06102
(860) 545-1596
(860) 545-0174 Fax

>>> Babatunde Ajibade  10/18/07 5:44 AM >>>
Can antibody  tell me the best CDX2  control  tissue, I have been try to get control for this  antigen, I have tried  colon  from diferent samples but I have not be able to get good control, its stain faintly.
  Thank you in advance.
   
  Tunde Ajibade.
   

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