[Immunology] Re: cytokines in serum

Harold Bien harold_bien at yahoo.com
Tue Apr 4 10:29:58 EST 2006


I don't know about serum, but from our experience we've noticed a
gradual loss of detectable TNF-alpha and IL-1b in culture medium
(supplemented with 2% fetal bovine serum) over a period of several
months after storage at -80C. In fact, we noticed rapid degradation at
room temperatures.



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