how does the body tell an exogeneous peptides from endogeneous peptides

Geronimo user at
Fri Aug 23 12:55:19 EST 2002

The current paradigm states that cells that could have recognized endogenous
peptides have been either deleted or "tolerized" (clonal deletion;
tolerance; anergy; whatever).

"chenhong" <chz155 at> wrote in message
news:2a79bee4.0208230837.4be34f19 at
> Hi all,
> I have a basic immunology question to consult: how does the body tell
> exogeneous peptides from endogeneous peptides.

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