Intrathecal synthesis of matrix metalloproteinase-9 in patients with multiple sclerosis: implication for pathogenesis.
Mult Scler
; 8(3): 222-8, 2002 May.
Article
em En
| MEDLINE
| ID: mdl-12120694
ABSTRACT
Matrix metalloproteinase-9 (MMP-9) was detected by zymography and enzyme-linked immunosorbent assay (ELISA) in matched serum and cerebrospinal fluid (CSF) samples from patients with neurological diseases. Patients with relapsing-remitting multiple sclerosis (RR-MS) had serum and CSF MMP-9 levels comparable to those from patients with inflammatory neurological diseases (INDs), but higher than patients with non-inflammatory neurological diseases (NINDs) and healthy donors (HDs). MMP-9 increased in active RR-MS in comparison with inactive RR-MS implying that MMP-9 in MS is related with clinical disease activity. A correlation between the CSF/serum albumin (Q(AIb)) and CSF/serum MMP-9 (Q(MMP-9)) was observed in IND and NIND but not in RR-MS patients, indicating that CSF MMP-9 levels in NIND and IND patents could be influenced by serum MMP-9 and blood-brain barrier (BBB) permeability properties. MS patients had higher values of Q(MMP-9)Q(Alb)(MMP-9 index) than IND and NIND patients suggesting that in MS the increase in CSF MMP-9 could be due to intrathecal synthesis of MMP-9. A significant inverse correlation was found between MMP-9 and its endogenous inhibitor TIMP-1 in RR-MS indicating that in MS patients both the increase in MMP-9 and the decrease in TIMP-1 serum levels could contribute to BBB disruption and T-lymphocyte entry into the CNS.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Esclerose Múltipla Recidivante-Remitente
/
Metaloproteinase 9 da Matriz
Tipo de estudo:
Etiology_studies
Limite:
Adult
/
Female
/
Humans
/
Male
/
Middle aged
Idioma:
En
Revista:
Mult Scler
Assunto da revista:
NEUROLOGIA
Ano de publicação:
2002
Tipo de documento:
Article
País de afiliação:
Itália