Mathai, ARadhakrishnan, V VSehgal, S2012-12-042012-12-041991Indian journal of experimental biology. 29; 10; 973-6https://dspace.sctimst.ac.in/handle/123456789/257Circulating immune complexes (ICs) were isolated from cerebrospinal fluids (CSFs) of patients with tuberculous meningitis (TBM), non-tuberculous neurological diseases by a polyethylene glycol (PEG) precipitation method. Mycobacterium tuberculosis antigen 5 was detected in CICs of 30% patients with TBM, by sandwich ELISA. CIC level decreases during antituberculosis chemotherapy and therefore its detection can provide a method to monitor the therapeutic schedule in patients with TBM.Immunology