SAN DIEGO--(BUSINESS WIRE)--Molecular Response (MRL), a privately held molecular diagnostic services company and a leader in the identification of target populations for high value therapeutics, announced today the acquisition of the world’s largest cryo-preserved human cancer tissue bank—more than 144,000 specimens procured over 20 years. The company acquired the tumor bank, along with properly de-identified clinical information and validated test procedures, as part of a major acquisition of key assets formerly owned by Oncotech.