Nerve growth factor (NGF) pathway biomarkers in Down syndrome prior to and after the onset of clinical Alzheimer's disease: A paired CSF and plasma study.
Alzheimers Dement
; 17(4): 605-617, 2021 04.
Article
en En
| MEDLINE
| ID: mdl-33226181
ABSTRACT
BACKGROUND:
The discovery that nerve growth factor (NGF) metabolism is altered in Down syndrome (DS) and Alzheimer's disease (AD) brains offered a framework for the identification of novel biomarkers signalling NGF deregulation in AD pathology.METHODS:
We examined levels of NGF pathway proteins (proNGF, neuroserpin, tissue plasminogen activator [tPA], and metalloproteases [MMP]) in matched cerebrospinal fluid (CSF)/plasma samples from AD-symptomatic (DSAD) and AD-asymptomatic (aDS) individuals with DS, as well as controls (HC).RESULTS:
ProNGF and MMP-3 were elevated while tPA was decreased in plasma from individuals with DS. CSF from individuals with DS showed elevated proNGF, neuroserpin, MMP-3, and MMP-9. ProNGF and MMP-9 in CSF differentiated DSAD from aDS (area under the curve = 0.86, 0.87). NGF pathway markers associated with CSF amyloid beta and tau and differed by sex.DISCUSSION:
Brain NGF metabolism changes can be monitored in plasma and CSF, supporting relevance in AD pathology. These markers could assist staging, subtyping, or precision medicine for AD in DS.Palabras clave
Texto completo:
1
Base de datos:
MEDLINE
Asunto principal:
Biomarcadores
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Síndrome de Down
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Factor de Crecimiento Nervioso
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Enfermedad de Alzheimer
Tipo de estudio:
Prognostic_studies
Idioma:
En
Revista:
Alzheimers Dement
Año:
2021
Tipo del documento:
Article