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Expression of S100B protein levels in serum and cerebrospinal fluid with different forms of neuropsychiatric systemic lupus erythematosus

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Abstract

The aim of this study is to determine S100B protein levels in serum and cerebrospinal fluid (CSF) in patients with different forms of neruopsychiatric systemic lupus erythematosus (NPSLE). There were 157 SLE patients (65 with and 92 without NPSLE, and 20 patients without rheumatic diseases served as controls) recruited in the present study. Serum and CSF S100B protein levels were measured by ELISA assay. Serum S100B protein levels in patients with NPSLE (0.179 ± 0.095 μg/l) were significantly higher than the levels in patients without NPSLE (0.110 ± 0.091 μg/l; p < 0.001) and in controls (0.103 ± 0.065 μg/l; p = 0.005). Thus, the differences in serum levels between non-NPSLE patients and controls had no statistical significance. The serum and CSF S100B protein contents in patients with organic brain syndrome, seizures, cerebral vascular accident, and psychosis were significantly higher than those in controls (all p < 0.001). However, there was no significant difference in serum and CSF S100B protein levels among patients with headache, patients with neuropathy, and controls. In conclusion, serum and CSF S100B levels were raised in NPSLE, especially concerning patients with organic brain syndrome, seizures, cerebral vascular accident, and psychosis. The results obtained imply that S100B protein is possibly an available and complementary biochemical marker within evaluation of NPSLE and deserves further study.

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Acknowledgement

We thank the Division of Internal Medicine staff for helpful comments and fruitful discussion. This This study was partly supported by grant from the Zhejiang Provincial Natural Science Foundation (No.Y204431), Zhejiang Provincial Administration of Traditional Chinese Medicine (No. 2005C082), and Science Foundation of Science and Technology Department of Zhejiang Province (No. 2007c3305).

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Authors and Affiliations

  1. Department of Rheumatology and Immunology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China

    Yang Xu-yan

  2. Department of Rheumatology and Immunology, First Affiliated Hospital, Zhejiang University School of Medicine, Qingchun Road, 79#, 310003, Hangzhou, Zhejiang, China

    Lin Jin

  3. Zhejiang University School of Medicine, Hangzhou, China

    Lu Xiao-yong

  4. Department of Hematology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China

    Zhao Xiao-ying

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  1. Yang Xu-yan
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  2. Lin Jin
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  3. Lu Xiao-yong
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  4. Zhao Xiao-ying
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Correspondence to Lin Jin.

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Yang, Xy., Lin, J., Lu, Xy. et al. Expression of S100B protein levels in serum and cerebrospinal fluid with different forms of neuropsychiatric systemic lupus erythematosus. Clin Rheumatol 27, 353–357 (2008). https://doi.org/10.1007/s10067-007-0722-y

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  • DOI: https://doi.org/10.1007/s10067-007-0722-y

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