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Dynamics of cerebrospinal fluid levels of matrix metalloproteinases in human traumatic brain injury.


ABSTRACT: Matrix metalloproteinases (MMPs) are extracellular enzymes involved in the degradation of extracellular matrix (ECM) proteins. Increased expression of MMPs have been described in traumatic brain injury (TBI) and may contribute to additional tissue injury and blood-brain barrier damage. The objectives of this study were to determine longitudinal changes in cerebrospinal fluid (CSF) concentrations of MMPs after acute TBI and in relation to clinical outcomes, with patients with idiopathic normal pressure hydrocephalus (iNPH) serving as a contrast group. The study included 33 TBI patients with ventricular CSF serially sampled, and 38 iNPH patients in the contrast group. Magnetic bead-based immunoassays were utilized to measure the concentrations of eight MMPs in ventricular human CSF. CSF concentrations of MMP-1, MMP-3 and MMP-10 were increased in TBI patients (at baseline) compared with the iNPH group (p?

SUBMITTER: Minta K 

PROVIDER: S-EPMC7582923 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Dynamics of cerebrospinal fluid levels of matrix metalloproteinases in human traumatic brain injury.

Minta Karolina K   Brinkmalm Gunnar G   Al Nimer Faiez F   Thelin Eric P EP   Piehl Fredrik F   Tullberg Mats M   Jeppsson Anna A   Portelius Erik E   Zetterberg Henrik H   Blennow Kaj K   Andreasson Ulf U  

Scientific reports 20201022 1


Matrix metalloproteinases (MMPs) are extracellular enzymes involved in the degradation of extracellular matrix (ECM) proteins. Increased expression of MMPs have been described in traumatic brain injury (TBI) and may contribute to additional tissue injury and blood-brain barrier damage. The objectives of this study were to determine longitudinal changes in cerebrospinal fluid (CSF) concentrations of MMPs after acute TBI and in relation to clinical outcomes, with patients with idiopathic normal pr  ...[more]

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