Re: CLL PHENOTYPE

From: Margaret Tropea (mtropea@nih.gov)
Date: Wed Jul 21 1999 - 09:46:19 EST


Thank goodness for all of the people who took the time to answer all of my
"dumb" questions when I was just new to flow.  What ever happened to the
addage that "the only dumb question is the one that is never asked".  I
heartly agree with Elizabeth!


>Of course you can use kappa/lambda on whole blood - just need to wash the
>blood
>in PBS.  It's that simple.  AND, you must use kappa/lambda in combination with
>CD19.
>We all had to learn at some point.
>EP
>
>
>Van Bockstaele, Dirk wrote:
>
>> Hi Sebastian,
>> Never use anti-kappa, lambda reagents on whole blood!!!  The ab binds to the
>> serum Ig that is abundantly present, so there's nothing left over to bind on
>> the B-cells surface Ig.  Not long in the business I guess?
>> Best Regards,
>> Dirk
>>
>> Prof. Dirk Van Bockstaele, PhD
>> Laboratory of Hematology
>> Antwerp University Hospital
>> Wilrijkstraat 10
>> B-2650 Edegem
>> Belgium
>> tel. 32 3 821 3900, fax 32 3 825 1148,
>> e-mail dirk.van.bockstaele@uza.uia.ac.be
>>
>> > ----------
>> > Van:  Sebastian, J, Gelderbloem, Mr[SMTP:sjg@samiot.uct.ac.za]
>> > Verzonden:    woensdag 14 juli 1999 19:09
>> > Aan:  Cytometry Mailing List
>> > Onderwerp:    Re: CLL PHENOTYPE
>> >
>> >
>> > Dear Flowers
>> >
>> > I have a slight problem and I am not sure what the solution is.
>> >
>> > We use polyclonal Kappa and Lambda from BD for our chronic
>> > leukaemia panel. We have been setting the samples up using whole
>> > blood and for some or other reason the Light Chains are coming up
>> > negative everytime. We only bitmap lymphoid cells.
>> >
>> > Is there anyone with some advice.
>> >
>> > Thanks
>> > Sebastian
>> >


>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Margaret M. Tropea
Critical Care Medicine Department
National Institutes of Health
(ph) 301-496-7752
(fax) 301-480-3389
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>



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