In vivo gene expression revealed by cDNA arrays: the pattern in relapsing-remitting multiple sclerosis patients compared with normal subjects

被引:94
作者
Ramanathan, M
Weinstock-Guttman, B
Nguyen, LT
Badgett, D
Miller, C
Patrick, K
Brownscheidle, C
Jacobs, L
机构
[1] SUNY Buffalo, Dept Pharmaceut, Buffalo, NY 14260 USA
[2] Buffalo Gen Hosp, Dept Neurol, Buffalo, NY 14260 USA
关键词
multiple sclerosis; DNA arrays; functional genomics; expression profiling;
D O I
10.1016/S0165-5728(01)00308-3
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Objectives: To use DNA arrays to identify differences in gene expression associated with relapsing-remitting (RR) MS. Methods: Total RNA was isolated from monocyte depleted peripheral blood mononuclear cells of 15 RR MS patients and 15 age- and sex-matched controls. The RNA was reverse transcribed to radiolabeled cDNA and the resultant cDNA was used to probe a DNA array containing over 4000 named human genes. The binding of radiolabeled cDNA to the probes on the array was measured by phosphorimager. Results: Of more than 4000 genes tested, only 34 were significantly different in RR-MS patients from controls. Of these, 25 were significantly increased and 9 significantly decreased in the RR MS patients. Twelve of these genes have inflammatory and/or immunological functions that could be relevant to the MS disease process. The potentially relevant genes that were elevated (15% to 28%) were P protein, LCK, cAMP responsive element modulator, IL-7 receptor, matrix metalloproteinase-19, M130 antigen, and peptidyl-prolyl isomerase. Those that were significantly decreased (15% to 35%) were SAS transmembrane 4 superfamily protein. STRL22 (C-C chemokine receptor 6), AFX protein, DNA fragmentation factor-45 and immunoglobulin gamma 3 (Gm marker). Conclusions: The RR-MS disease effect was relatively restricted and most of the mRNAs tested were not different from the normal controls. However, there were significant differences identified in the expression of a subset of mRNAs. including 13 with inflammatory/immune functions that could be relevant to MS. The systematic use of DNA arrays can provide insight into the dynamic cellular pathways involved in MS pathogenesis and its phenotypic heterogeneity. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:213 / 219
页数:7
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