Detection of in vivo stimulated cerebrospinal-fluid lymphocytes by flow cytometry in patients with multiple sclerosis

A. B C Noronha, David P Richman, B. G W Arnason

Research output: Contribution to journalArticle

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Abstract

To examine the immune response in the central nervous system in patients with multiple sclerosis (MS), we characterized the cell-cycle phase of lymphocytes from cerebrospinal fluid. Cells were stained with acridine orange, and both RNA and DNA content were determined by flow cytometry. Although most cells were in the quiescent phase of the cycle, a significant increase was seen in the percentage of cells in the first stage of the proliferative cycle (G1 phase) when 21 samples of cerebrospinal fluid from 17 patients with MS were compared with samples from 21 controls (P < 0.001). Stimulated cells in the first stage of the cycle were seen in all categories of MS: active, progressive, or stable. In addition, increased numbers of cells in the second stage of the cycle (S phase) were seen in six specimens from patients with MS, five of whom had active disease, but no increases were seen in controls (P < 0.02). These data indicate that stimulated lymphocytes are present in the cerebrospinal fluid during all phases of MS and that stimulation becomes more intense during an acute exacerbation.

Original languageEnglish (US)
Pages (from-to)713-717
Number of pages5
JournalNew England Journal of Medicine
Volume303
Issue number13
StatePublished - 1980
Externally publishedYes

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Multiple Sclerosis
Cerebrospinal Fluid
Flow Cytometry
Lymphocytes
Acridine Orange
G1 Phase
S Phase
Cell Cycle
Central Nervous System
Cell Count
RNA
DNA

ASJC Scopus subject areas

  • Medicine(all)

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Detection of in vivo stimulated cerebrospinal-fluid lymphocytes by flow cytometry in patients with multiple sclerosis. / Noronha, A. B C; Richman, David P; Arnason, B. G W.

In: New England Journal of Medicine, Vol. 303, No. 13, 1980, p. 713-717.

Research output: Contribution to journalArticle

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