[Histonet] RE: IHC- using IgM vs. IgG
To my knowledge secondary antibodies aren't just anti-IgG
specific rather than "anti-immunoglobulins" specific. This includes
that whenever a vendor uses the term "anti-immunoglobulin" with respect
to a secondary antibody reagent (no matter the label) there should be a
specificity against the heavy + light chain of all immunoglobulin
isotypes IgG, IgM, etc. of the indicated species. Unless stated by the
vendor that a secondary antibody is for example anti-IgG heavy chain
specific. In those cases there will be no reaction with a mouse IgM
So far I failed in finding some literature references about this.
Somebody else perhaps? I would like to have it too....
Chris van der Loos
Dept. of Cardiovascular Pathology
Academical Medical Center H0-120
NL-1105 AZ Amsterdam - The Netherlands
>From: Majid Ghoddusi
>Date: Mon, 25 Aug 2003 17:21:26 +1000
>Subject: [Histonet] IHC- using IgM vs. IgG
>Hello dear histonetters
>Just a very basic question for IHC experts:
>if your primary antibody is a mouse IgM, by using a secondary anti-
>mouse IgG are you running any risk of getting artefactual signals?
>Thanks very much in advance for any help and advice including pointing
>to a reference that might discuss this in detail.
>Children's Medical Research Institute
>Locked Bag 23, Wentworthville NSW 2145
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