[Histonet] Fw: platelets and IHC

[Andrea Hooper]

Can you post a pic of this non specific staining? What organ is it? 
Is it inside blood vessels?



At 5:27 PM -0500 10/7/08, Jan Shivers wrote:
>Addendum... I should have included this information in my original posting...
>
>I'm already doing a 3% H2O2 peroxidase quench (10-15 minutes) and a 
>10% normal serum protein block prior to primary Ab, and a 2-4% case 
>species serum addition to the link Ab. 
>
>Is there something ELSE that I could use to block binding to 
>platelets (or what appears to be platelets, though it could be bits 
>of proteinaceous cellular debris that's binding Ab nonspecifically)? 
>
>Jan S
>
>----- Original Message -----
>From: Jan Shivers
>To: histonet
>Sent: Tuesday, October 07, 2008 3:14 PM
>Subject: platelets and IHC
>
>
>Hi all,
>
>Has anyone ever encountered platelets staining nonspecifically when 
>using an antibody directed against other antigens?  If so, how do 
>you quench that activity?  Thanks.
>
>Jan Shivers
>Senior Scientist
>Histology/IHC/EM Section Head
>University of Minnesota
>Veterinary Diagnostic Laboratory
>1333 Gortner Ave.
>St. Paul, MN  55108
>612-624-7297
>shive003 <@t> umn.edu
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