Evidence that folic acid deficiency is a major determinant of hyperhomocysteinemia in Parkinson's disease
Abstract
In the present work we measured blood levels of total homocysteine ((t)Hcy), vitamin B(12) and folic acid in patients with Parkinson s disease (PD) and in age-matched controls and searched for possible associations between these levels with smoking, alcohol consumption, L-DOPA treatment and disease duration in PD patients. We initially observed that plasma (t)Hcy levels were increased by around 30 % in patients affected by PD compared to controls. Linear correlation, multiple regression and comparative analyses revealed that the major determinant of the increased plasma concentrations of (t)Hcy in PD patients was folic acid deficiency, whereas in controls (t)Hcy levels were mainly determined by plasma vitamin B(12) concentrations. We also observed that alcohol consumption, gender and L-DOPA treatment did not significantly alter plasma (t)Hcy, folic acid and vitamin B(12) levels in parkinsonians. Furthermore, disease duration was positively associated with (t)Hcy levels and smoking was linked with a deficit of folic acid in PD patients. Considering the potential synergistic deleterious effects of Hcy increase and folate deficiency on the central nervous system, we postulate that folic acid should be supplemented to patients affected by PD in order to normalize blood Hcy and folate levels, therefore potentially avoiding these risk factors for neurologic deterioration in this disorder.
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Under-representation of Prevotellaceae diminishes levels of health-promoting neuroactive short chain fatty acids and the capacity for biosynthesis of thiamine and folate, in line with decreased levels of these vitamins in Parkinson's disease patients.
“The under-representation of Prevotellaceae diminishes the levels of health-promoting neuroactive short chain fatty acids (SCFA) and the capacity for biosynthesis of thiamine and folate (Arumugam et al., 2011), which is in line with decreased levels of these vitamins in PD patients (dos Santos et al., 2009;Luong and Nguyễn, 2013).”
From The Gut-Brain Axis in Parkinson’s Disease: Possibilities for Food-Based Therapies (2017) · cites this paper as dos Santos et al., 2009
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“…diminishes the levels of health-promoting neuroactive short chain fatty acids (SCFA) and the capacity for biosynthesis of thiamine and folate (Arumugam et al., 2011), which is in line with decreased levels of these vitamins in PD patients (dos Santos et al., 2009; Luong and Nguyễn, 2013).”
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- Authors
- dos Santos, E. F., Busanello, E. N. B., Miglioranza, A., Zanatta, Â., Barchak, A. G., Vargas, C. R., Saute, J., Rosa, C., Carrion, M. J., Camargo, D., Dalbem, A., da Costa, J. C., de Sousa Miguel, S. R. P., de Mello Rieder, C. R., & Wajner, M.
- Affiliations
- Hospital de Clínicas de Porto Alegre (BR)
- Universidade Federal do Rio Grande do Sul (BR)
- Pontifícia Universidade Católica do Rio Grande do Sul (BR)
- Venue
- Metabolic Brain Disease
- Published
- 2009-03-18
- Volume
- 24
- Issue
- 2
- Pages
- 257-269
- ISSN
- 0885-7490 (ISSN-L)
- 1573-7365
- OpenAlex
- W1997144351
- Cited by
- 76
- References
- 69
- Citations by year
- 2026: 1 · 2025: 3 · 2024: 7 · 2023: 9 · 2022: 6 · 2021: 7 · 2020: 8 · 2019: 7 · 2018: 2 · 2017: 5 · 2016: 1 · 2015: 2 · 2014: 5 · 2012: 4
- FWCI
- 3.07
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Metabolic Brain Disease (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Rheumatology › Folate and B Vitamins Research
- Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
- Keywords
- Parkinson's disease, hyperhomocysteinemia, total homocysteine, folate deficiency, vitamin B12, folic acid supplementation, smoking, L-dopa treatment, disease duration, neurodegeneration risk factors
- MeSH terms
- Analysis of Variance, Female, Folic Acid, Folic Acid Deficiency, Homocysteine, Humans, Levodopa, Male, Middle Aged, Nerve Degeneration, Parkinson Disease, Reference Values, Vitamin B 12, Case-Control Studies, Matched-Pair Analysis, Statistics, Nonparametric, Hyperhomocysteinemia
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