ANN ARBOR, Mich., Nov. 30, 2007 (PRIME NEWSWIRE) -- MIR Preclinical Services (MIR) is increasing its in vitro service offerings to include evaluation of cell lines and tissue samples for target protein expression, modulation and activation status, determination of cytokine levels, and antiproliferation and cytotoxicity assays (IC50). The Company will also offer custom biochemistry and cell biology services to meet clients’ specific needs.