RE: Detachment of peritoneal macrophages

P.Openshaw Medicine (p.openshaw@ic.ac.uk)
Tue, 2 Jul 1996 09:50:48 +0000 (GMT)

Have you tried using 12mM lidocaine (lignocaine)? Works well to detach
alveolar macrophages. We and Pat Holt (Australia) use it.

> I have an investigator who has been obtaining peritoneal macrophages from
> mice by lavage, culturing them overnight with TNF, and then looking by
> flow for Ia expression. We weren't getting much expression so I had him
> stain with PI at the same time. It turns out that the vast majority of
> the cells are dead. He has tried culturing in suspension or letting the
> cells adhere and using cold to detach them. Does anyone have a method of
> detaching that is easier on the cells and still leaves surface markers
> intact? Any advice is greatly appreciated.
>
> Carol
>
> -------------------------------------------------------------------------
> ---- Carol Oxford _| _| _|_|_|_|
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