Re: RBC and anti glycophorinA

From: Robin Barclay (Robin.Barclay@ed.ac.uk)
Date: Wed May 08 2002 - 07:48:49 EST


I have never seen any change in FSC/SSC in red cells stained with anti-GpA.
Is there any possibility that your cells are undergoing lysis?
Robin Barclay
SNBTS Academic Transfusion Medicine Group
John Hughes Bennett Laboratory
Edinburgh

Tel: +44 (0)131 537 3150 (internal 33150)
----- Original Message -----
From: "ray hester" <rhester@jaguar1.usouthal.edu>
To: cyto-inbox
Sent: Monday, May 06, 2002 9:15 PM
Subject: RBC and anti glycophorinA


>
> Greetings,
>
> Can anyone tell us if (IgG) anti glycophorin A antibody will cause
> substantial changes in light scatter (particularly forward scatter) of
> (human) RBC?   We seem to see decreased forward scatter to the point of
many
> of the RBC almost being off scale to the left, and increasing the FSC gain
> doesn't really help to bring these back on scale.  This was just observed
> today and the investigators will have to go back and look at the cells
> microscopically after staining but I thought I would ask the group.
>
> Should they leave out added Ca and Mg in their binding and wash buffer,
> i.e., are these (Ca/Mg)more of a problem with antibody staining of RBC
than
> lymphocytes?
>
> Thanks for any information.
>
> Ray Hester
> College of Medicine
> Univ. of South Alabama
> rhester@jaguar1.usouthal.edu
>



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