Plasma MMP-9 Levels as the Future Risk of Conversion to Dementia in ApoE4-Positive MCI Patients: Investigation Based on the Alzheimer’s Disease Neuroimaging Initiative Database - 21/11/24
, K. Ide 1, A. Yoshimi 1, T. Asami 1, A. Suda 1, T. Odawara 3, A. Hishimoto 1Alzheimer’s Disease Neuroimaging Initiative
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Abstract |
Background |
Matrix metalloproteinase 9 (MMP-9) has been reported to be correlated with declines in hippocampal volume and cognitive function in ApoE4-positive MCI patients.
Objectives |
The present study was aimed to investigate the effects of plasma matrix MMP-9 on the conversion risk between mild cognitive impairment (MCI) patients with and without ApoE4.
Design and Setting |
Retrospective observational study using the data extracted from the Alzheimer’s Disease Neuroimaging Initiative database.
Participants |
We included 211 ApoE4-positive MCI subjects (ApoE4+ MCI) and 184 ApoE4-negative MCI subjects (ApoE4-MCI).
Measurements |
We obtained demographic and data including plasma MMP-9 levels at baseline and longitudinal changes in Clinical Dementia Rating (CDR) up to 15 years. We compared conversion rates between ApoE4+ MCI and ApoE4- MCI by the Log-rank test and calculated the hazard ratio (HR) for covariates including age, sex, educational attainment, drinking and smoking histories, medications, and plasma MMP-9 levels using a multiple Cox regression analysis of ApoE4+ MCI and ApoE4- MCI.
Results |
No significant differences were observed in baseline plasma MMP-9 levels between ApoE4+ MCI and ApoE4- MCI. High plasma MMP-9 levels increased the conversion risk significantly more than low plasma MMP-9 levels (HR, 2.46 [95% CI, 1.31–4.48]) and middle plasma MMP-9 levels (HR, 1.67 [95% CI, 1.04–2.65]) in ApoE4+ MCI, but not in ApoE4- MCI. CONCLUSION: Plasma MMP-9 would be the risk of the future conversion to dementia in ApoE4+ MCI.
Il testo completo di questo articolo è disponibile in PDF.Key words : Alzheimer’s disease, matrix metalloproteinase 9, mild cognitive impairment, dementia
Mappa
| Data used in the preparation of this article were obtained from the Alzheimer’s Disease Neuroimaging Initiative (ADNI) database (adni.loni.usc.edu). Therefore, investigators within ADNI contributed to the design and implementation of ADNI and/or provided data, but did not participate in the analysis or writing of this manuscript. A complete list of ADNI investigators may be found at: ADNI_Acknowledgement_List.pdf |
Vol 9 - N° 2
P. 331-337 - Aprile 2022 Ritorno al numero
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