Re: staining for viability

From: Tim Kute (tkute@wfubmc.edu)
Date: Fri Feb 01 2002 - 17:53:39 EST


You might try fluorescein diacetate  (FDA) from molecular probes.  It
stains the cells green if they are alive.
Good Luck

Michal Abel wrote:

> I've got a question for the list regarding staining for viability.
> I am working with freesed/defrost lymphocytes. One of the drawbacks
> of this procedure is the number of death cells, which make higher the
> background noise. I wonder what kind of marker should I use for
> gating only the alive lymphocytes. Logically, I thought, the best
> would be necrosis marker like PI. However, I am not sure if I also
> need to eliminate the early apoptotic cells or not ?
> I would be grateful if someone could help me resolving this problem.
>
> Thanks,
>
> --
> Michal Abel, MD, PhD
> Laboratory of Clinical Immunology
> INSERM U25
> Necker Hospital, 161 Rue de Sèvres. Paris
> tel: 33 1 44 49 52 23
> fax: 33 1 44 49 53 74




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