MBP and chronic inflammatory demyelinating polyradiculoneuropathy: Active immunization paradigms to induce chronic PNS inflammation have been reported: Rats of the Dark Agouti strain develop relapsing PNS inflammation and active myelin basic protein (MBP) immunization together with Cyclosporine A (CsA) treatment in Lewis rats, triggers a relapsing disease course with some CIDP-like features [85, 86].