CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 33-69534, 33-93016, 333-41703, 333-04397, and 333-68309) of AutoImmune, of our report dated March 17, 2003 relating to the financial statements which appears in the Annual Report to Shareholders, which is incorporated in this Annual Report on Form 10-K.

/s/    PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

Boston, MA

March 26, 2003