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Cerca | Lliura | Ajuda | Servei de Biblioteques | Sobre el DDD | Català English Español | |||||||||
| Pàgina inicial > Articles > Articles publicats > Increased plasma DOPA decarboxylase levels in Lewy body disorders are driven by dopaminergic treatment |
| Data: | 2025 |
| Resum: | DOPA Decarboxylase (DDC) has been proposed as a cerebrospinal fluid (CSF) biomarker with increased concentrations in Lewy body disorders (LBDs) and highest levels in patients receiving dopaminergic treatment. Here we evaluate plasma DDC, measured by proximity extension assay, and the effect of dopaminergic treatment in three independent LBD (with a focus on dementia with Lewy bodies (DLB) and Parkinson's disease (PD)) cohorts: an autopsy-confirmed cohort (n = 71), a large multicenter, cross-dementia cohort (n = 1498) and a longitudinal cohort with detailed treatment information (n = 66, median follow-up time[IQR] = 4[4, 4] years). Plasma DDC was not altered between different LBDs and other disease groups or controls in absence of treatment. DDC levels increased over time in PD, being significantly associated to higher dosages of dopaminergic treatment. This emphasizes the need to consider treatment effect when analyzing plasma DDC, and suggests that plasma DDC, in contrast to CSF DDC, is of limited use as a diagnostic biomarker for LBD, but could be valuable for treatment monitoring. |
| Ajuts: | Instituto de Salud Carlos III PI21/00791 Ministerio de Economía y Competitividad PI14/01126 Instituto de Salud Carlos III PI17/01019 Instituto de Salud Carlos III PI20/01473 Ministerio de Economía y Competitividad PI13/01532 Instituto de Salud Carlos III PI18/00335 Ministerio de Economía y Competitividad PI16/01825 Instituto de Salud Carlos III PI19/00882 Instituto de Salud Carlos III PI18/00435 Instituto de Salud Carlos III PI22/00611 Instituto de Salud Carlos III PI17/01896 Instituto de Salud Carlos III AC19/00103 Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-547 |
| Drets: | Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades. |
| Llengua: | Anglès |
| Document: | Article ; recerca ; Versió publicada |
| Matèria: | Aged ; Aged, 80 and over ; Biomarkers ; Cohort Studies ; Dopa Decarboxylase ; Dopamine Agents ; Female ; Humans ; Lewy Body Disease ; Longitudinal Studies ; Male ; Middle Aged ; Parkinson Disease |
| Publicat a: | Nature communications, Vol. 16 Núm. 1 (december 2025) , p. 1139, ISSN 2041-1723 |
9 p, 1.3 MB |