期刊
MULTIPLE SCLEROSIS JOURNAL
卷 15, 期 4, 页码 448-454出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1352458508100031
关键词
BACE1; cerebrospinal fluid; multiple sclerosis; myelination; neuroinflammation; systemic lupus erythematosus
资金
- Anna-Lisa and Bror Bjornsson Foundation
- Swedish Association of Persons with Neurological Disabilities
- Swedish Research Council
- Sahlgrenska University Hospital
- Goteborg Medical Society
- Vastra Gotaland Region
- Alzheimerfonden
- Stiftelsen for Gamla Tjanarinnor
- MedCoast
- Swedish Brain Power
- Ake Wiberg Foundation
Background Cell and animal experiments have shown that beta-site APP-cleaving enzyme 1 (BACE1) may be involved in myelination. Objective Here, we assess the association of cerebrospinal fluid (CSF) BACE1 activity with multiple sclerosis (MS). Methods BACE1 activity and levels of secreted amyloid precursor protein (APP) and amyloid-beta (A beta) isoforms were analyzed in CSF from 100 patients with MS and 114 neurologically healthy controls. Patients with systemic lupus erythematosus (SLE), 26 with and 41 without cerebral engagement, were also included to enable comparisons with regards to another autoimmune disease. A subset of patients with MS and controls underwent a second lumbar puncture after 10 years. Results MS patients had lower CSF BACE1 activity than controls (P = 0.03) and patients with cerebral SLE (P < 0.001). Patients with cerebral SLE had higher BACE1 activity than any other group (P < 0.05 for all comparisons). BACE1 activity correlated with the different amyloid markers in all study groups. BACE1 activity decreased over 10 years in the MS group (P = 0.039) and correlated weakly with clinical disease severity scores in an inverse manner. Conclusions These results suggest an involvement of BACE1 in the MS disease process. Multiple Sclerosis 2009; 15: 448-454. http://msj.sagepub.com
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