• Phenotypic distribution of mononuclear cells in cerebrospinal fluid (CSF) and peripheral blood from patients with multiple sclerosis (MS) and, for reference, patients with acute aseptic meningoencephalitis (AM), and in blood only from healthy controls, was studied with an immunoenzymatic microassay enabling analysis even in the presence of a normal CSF cell count. In MS, increased CD5+ (pan-T) cell proportion in CSF compared with blood was not reflected by changes of CD4+ or CD8+ cells, while in AM, an increase of CD4+ cells was registered. Therefore, a population of CD5+, CD4-, and CD8- cells may be anticipated to exist in CSF of patients with MS. Numbers of OKB7+, OKM1+, or HLA-DR+ cells did not distinguish between MS and AM. Proliferating cells expressing transferrin receptors (OKT9+ cells) were generally few or absent in CSF and not useful as a marker of disease activity in either MS or AM.
Fredrikson S, Ernerudh J, Olsson T, Forsberg P, Link H. Mononuclear Cell Types in Cerebrospinal Fluid and Blood of Patients With Multiple Sclerosis: Quantitation by Immunoenzyme Microassay With Panel of Monoclonal Antibodies. Arch Neurol. 1989;46(4):372–375. doi:10.1001/archneur.1989.00520400026014
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