Re: Pig moab's

From: immuno flow (immuno_flow@ccmail.llumc.edu)
Date: Tue Apr 01 1997 - 12:12:59 EST


John,

There are several sources of antibody specific for Factor VIII but the data 
regarding cross-reactivity of these antibodies with other species is 
sometimes contradictory.  DAKO sells a polyclonal rabbit anti-human Factor 
VIII-related antigen and they state that it demonstrates cross-reactivity 
with pig.  I have used this antibody in an immunoperoxidase stain of 
porcine endothelial cells and  it did not work.  I'm not sure if this is 
because the antibody is not cross-reactive or if factor VIII is not 
expressed on the cultured cells.  The literature suggests either case may 
be true.  The only other source of anti-human Factor VIII that is 
cross-reactive with pig is Biomeda (Foster, CA).  I do not have any 
personal experience with this antibody but I did find a reference to its 
use in demonstrating Factor VIII on cultured pig endothelial cells 
(Cardiovasc. Res. 1995. Dec;  30(6): 841-7).  I do not know of any moab's 
that are cross-reactive.  Hope this helps.


Robert Schmitt
LLUMC Immunology Center  

______________________________ Reply Separator _________________________________
Subject: Pig moab's
Author:  jcknapp@bellsouth.net at InterNetMailMC
Date:    3/29/97 2:06 PM


Flowers-Help!
An investigator at my center is trying to find antibodies for flow to 
pig Factor VIII and CD56(N-CAM). We looked through all of our catalogs 
as well as the linscott's directory and came up blank. Does anybody out 
there know of a source or of moab's to other species for these two 
antigens that are cross-reactive to pig?
Thanks in Advance.
     
John Knapp
Diabetes Research Institute
University of Miami
Miami, Florida, USA



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