EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statements on Forms S-3 (File Nos. 333-112123, 333-113015, 333-88726, 333-74775, 333-75175, 333-89159, 333-40408 and 333-44298) and on Forms S-8 (File Nos. 333-80065, 333-80067, 333-80069, 333-67384, 333-67386 and 333-130454) of Boston Life Sciences, Inc. and its subsidiaries of our report dated March 31, 2006 relating the financial statements, which appears in this Form 10-K. /s/ PricewaterhouseCoopers LLP Boston, Massachusetts March 31, 2006