2-Methoxyestradiol and Hydrogen Peroxide as Promising Biomarkers in Parkinson’s Disease - Publikacja - MOST Wiedzy

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2-Methoxyestradiol and Hydrogen Peroxide as Promising Biomarkers in Parkinson’s Disease

Abstrakt

Estrogens function in numerous physiological processes including controlling brain cell growth and differentiation. 2-Meth- oxestradiol (2-ME2), a 17β-estradiol (E2) metabolite, is known for its anticancer effects as observed both in vivo and in vitro. 2-ME2 affects all actively dividing cells, including neurons. The study aimed to determine whether 2-ME2 is a potentially cancer-protective or rather neurodegenerative agent in a specific tissue culture model as well as a clinical setup. In this study, 2-ME2 activity was determined in a Parkinson’s disease (PD) in vitro model based on the neuroblastoma SH-SY5Y cell line. The obtained results suggest that 2-ME2 generates nitro-oxidative stress and controls heat shock proteins (HSP), resulting in DNA strand breakage and apoptosis. On the one hand, it may affect intensely dividing cells preventing cancer develop- ment; however, on the other hand, this kind of activity within the central nervous system may promote neurodegenerative diseases like PD. Thus, the translational value of 2-ME2’s neurotoxic activity in a PD in vitro model was also investigated. LC–MS/MS technique was used to evaluate estrogens and their derivatives, namely, hydroxy and methoxyestrogens, in PD patients’ blood, whereas the stopped-flow method was used to assess hydrogen peroxide (H2O2) levels. Methoxyestrogens and H2O2 levels were increased in patients’ blood as compared to control subjects, but hydoxyestrogens were simultaneously decreased. From the above, we suggest that the determination of plasma levels of methoxyestrogens and H2O2 may be a novel PD biomarker. The presented research is the subject of the pending patent application “The use of hydrogen peroxide and 17β-estradiol and its metabolites as biomarkers in the diagnosis of neurodegenerative diseases,” no. P.441360.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
MOLECULAR NEUROBIOLOGY
ISSN: 0893-7648
Język:
angielski
Rok wydania:
2023
Opis bibliograficzny:
Bastian P., Konieczna L., Dulski J., Daca A., Jacewicz D., Płoska A., Knap N., Sławek J., Baczek T., Kalinowski L., Drzeżdżon J., Roszmann A., Belka M., Górska-Ponikowska M.: 2-Methoxyestradiol and Hydrogen Peroxide as Promising Biomarkers in Parkinson’s Disease// MOLECULAR NEUROBIOLOGY -, (2023),
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1007/s12035-023-03575-6
Źródła finansowania:
  • Funding The study was funded by ST46 (Medical University of Gda- nsk, Gdansk, Poland).
Weryfikacja:
Politechnika Gdańska

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