Re: [Histonet] IHC for secreted proteins and cytokines in frozen sections - Pre-fix or post-fix?

2017-06-02 Thread Morken, Timothy via Histonet
Ana, you should fix before sectioning. Chris Van der Loos did an excellent study on loss of cytokines in frozen sections vs whole cells. See his paper: Immunohistochemical Detection of Interferon-y, Fake or Fact? CM Van der Loos, et.al., J Histochem Cytochem, 49(6):699-709, 2001. Www.jhc.org

[Histonet] IHC for secreted proteins and cytokines in frozen sections - Pre-fix or post-fix?

2017-06-02 Thread Ana Maluenda via Histonet
Hi everyone, Just wondering what is people's opinion and protocols for IHC in mouse frozen sections targeting secreted proteins and cytokines. I see lots of places using fresh frozen sections/snap-freeze and cold acetone or methanol/ethanol post-fixation. Is this an issue when it comes to