IL-2 unit conversions

mark mark.haynes at
Mon Jan 12 15:17:26 EST 1998

Charles Nicolette wrote:
> Hi all,
> My question relates to the units that IL-2 preparations are measured in.
> Does anyone know how to convert between IU, BRMP, and Cetus units?

This is just a guess but me thinks that its empirical.  You can't really 
convert you can just compare.  For instance we've used cetus il-2 for 
some time now and we use 100U/ml as a standard for 2-4d cultures of human 
lyc's.  But I wouldn't have any idea if 100U of our stock would give a 
similar response to 100U of another batch I would just run an assay and 

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