Joe,

I would suggest CD79a, it has a wider range than CD20, from early pre-B
cell and in particular it is positive later into the plasma cell stage.
Works very well in FFPE sections.

Regards

Bryan



>----------
>From: 	Nocito, Joseph[SMTP:joseph_nocito@srhc.iwhs.org]
>Sent: 	March 25, 1999 11:39 AM
>To: 	'Histonet'
>Subject: 	CD-19
>
>Hello Histo land,
>does any one know of a CD-19 antibody that works in paraffin.  My
>pathologists want another B-cell marker other than CD-20.  As always, thanks
>for your help.
>
>Joe Nocito, B.S., HT(ASCP)QIHC
>Histology Supervisor
>Christus Santa Rosa Hospitals
>San Antonio, Texas 
>
>
>