Dramatic Increase of Clq Protein in the CNS during Normal Aging Alexander H. Stephan,' Daniel V. Madison,2 Jose Maria Mateos,3 Deborah A. Fraser,' Emilie A. Lovelett,' Laurence Coutellier,5 Leo Kim,5 Hui-Hsin Tsai,6.2,8 Eric J. Huang,9 David H. Rowitch,6.2)3 Dominic S. Berns,' Andrea J. Termer,' Mehrdad Shamloo,