Re: Li- Heparin

From: Maryalice Stetler-Stevenson (stetler@box-s.nih.gov)
Date: Wed Apr 11 2001 - 15:48:13 EST


Tom Fleisher and Jerry Marti are experts on this. Perhaps they will comment.


	Maryalice
>Dear community,
>some (long) time ago, Maryalice gave the following short answer to a
>question posted
>by Kathleen.
>
>  >Lithium heparin is toxic to lymphoid cells. We avoid it.
>
>Since Lithium heparin Vacutainers are for whatever reason a very
>common thing in
>hospitals this topic is worth being discussed.
>The preparation of lymphoid cells from peripheral blood has other
>pitfalls, too,
>but this is one that could be avoided very easily.
>We usually use Na- heparin for research purposes, but sometimes we
>get blood samples
>with Li- heparin from the clinic.
>
>Chosing the right blood collection tube for a complicated
>application often needs a
>lot of experience.
>Could someone put a little more light into that matter, I appreciate
>any input.
>Is there any extensive synopsis about it?
>
>
>Yours, Bernhard
>
>
>  >Lithium heparin is toxic to lymphoid cells. We avoid it.
>  >
>  >	Maryalice
>  >
>  >
>  >>Does anyone have any experience with having used whole blood collected in
>  >>lithium heparin and then following a staining protocol for surface markers
>  >>as well as intracellular markers? Thanks in advance.
>  >>
>  >>
>  >>Kathleen MacColl
>  >>UC Davis Medical Center
>  >
>  >Maryalice Stetler-Stevenson
>  >Director Flow Cytometry Unit
>  >Laboratory of Pathology, NCI, NIH
>  >Maryalice Stetler-Stevenson <stetler@box-s.nih.gov>
>  >

Maryalice Stetler-Stevenson
Director Flow Cytometry Unit
Laboratory of Pathology, NCI, NIH

"Learn the rules so you know how to break them properly."
The Dalai Lama



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