Systematic review on saliva biomarkers in patients diagnosed with morbus Alzheimer and morbus Parkinson
Ескіз недоступний
Дата
2022
Назва журналу
Номер ISSN
Назва тому
Видавець
Multidisciplinary Digital Publishing Institute (MDPI)
Анотація
Extracellular plaques composed of the hydrophobic peptide amyloid- and intraneuronal accumulation of the hyperphosphorylated protein tau (p-tau) are pathological hallmarks found in the brains of most people affected by Alzheimer’s disease (AD). In Parkinson’s disease (PD), Lewy bodies, i.e., intraneuronal protein deposits comprising the protein a-synuclein, are a typical disease feature. As these hallmarks located in the brain are hardly traceable, reliable biomarkers from easily accessible body fluids are key for accurate diagnosis. The aim of the present work was to review the available literature regarding potential biomarkers of AD and PD in the saliva. The databases PubMed, Google Scholar, LILACS, LIVIVO, VHL regional portal, Cochrane Library, eLIBRARY, and IOS Press were consulted for the literature search. Screening of titles and abstracts followed
the PRISMA guidelines, while data extraction and the assessment of full texts were carried out in
accordance with the Newcastle-Ottawa Scale assessment. The review shows significant increases in
levels of the amyloid- A 1-42 and elevated p-tau to total tau (t-tau) ratios in salivary samples of AD
patients, in comparison with healthy controls. In PD patients, levels of a-synuclein in salivary samples
significantly decreased compared to healthy controls, whereas oligomeric a-synuclein and the ratio
of oligomeric a-synuclein to total a-synuclein markedly increased. Salivary biomarkers represent a
promising diagnostic tool for neurodegenerative diseases. Further high-quality case-control studies
are needed to substantiate their accuracy.
Опис
Ключові слова
Alzheimer’s disease, amyloid-b, a-synuclein, biomarker, DJ-1, Parkinson’s disease, saliva
Бібліографічний опис
Systematic review on saliva biomarkers in patients diagnosed with morbus Alzheimer and morbus Parkinson / M. Wolgin, M. Zobernig, V. Dvornyk, R. J. Braun, A. M. Kielbassa // Biomedicines. – 2022. – Vol. 10, issue 7. – P. 1702. https://doi.org/10.3390/biomedicines10071702