> Is there anyone who knows where to by antibodies against Vasoactive
> Intestinal Peptide (VIP) for immunohistochemical stainings on
> formalin-fixed, paraffin-embedded human tissue? I have looked 

Years ago I baught a polyclonal anti-VIP from BioGenex which worked well in
a case of a malignant VIPoma of the pancreas on FFPE tissue.

Don't know if they still have it, because their site is down or unreachable.

Alexander Nader