2021
Extract from the Marine Seaweed Padina pavonica Protects Mitochondrial Biomembranes from Damage by Amyloidogenic Peptides
CARUANA, Mario; Angelique CAMILLERI; Maria Ylenia FARRUGIA; Stephanie GHIO; Michaela JAKUBÍČKOVÁ et al.Základní údaje
Originální název
Extract from the Marine Seaweed Padina pavonica Protects Mitochondrial Biomembranes from Damage by Amyloidogenic Peptides
Autoři
CARUANA, Mario; Angelique CAMILLERI; Maria Ylenia FARRUGIA; Stephanie GHIO; Michaela JAKUBÍČKOVÁ; Ruben J. CAUCHI a Neville VASSALLO
Vydání
Molecules, MDPI, 2021, 1420-3049
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10608 Biochemistry and molecular biology
Stát vydavatele
Švýcarsko
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 4.927
Označené pro přenos do RIV
Ano
Kód RIV
RIV/00216224:14310/21:00121513
Organizační jednotka
Přírodovědecká fakulta
UT WoS
EID Scopus
Klíčová slova anglicky
Padina pavonica seaweed extract; Alzheimer’ s disease; Parkinson’ s disease; mitochondria; amyloidogenic proteins; membrane permeabilization
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 30. 4. 2021 17:44, Mgr. Marie Novosadová Šípková, DiS.
Anotace
V originále
The identification of compounds which protect the double-membrane of mitochondrial organelles from disruption by toxic confomers of amyloid proteins may offer a therapeutic strategy to combat human neurodegenerative diseases. Here, we exploited an extract from the marine brown seaweed Padina pavonica (PPE) as a vital source of natural bioactive compounds to protect mitochondrial membranes against insult by oligomeric aggregates of the amyloidogenic proteins amyloid-beta (A beta), alpha-synuclein (alpha-syn) and tau, which are currently considered to be major targets for drug discovery in Alzheimer's disease (AD) and Parkinson's disease (PD). We show that PPE manifested a significant inhibitory effect against swelling of isolated mitochondria exposed to the amyloid oligomers, and attenuated the release of cytochrome c from the mitochondria. Using cardiolipin-enriched synthetic lipid membranes, we also show that dye leakage from fluorophore-loaded vesicles and formation of channel-like pores in planar bilayer membranes are largely prevented by incubating the oligomeric aggregates with PPE. Lastly, we demonstrate that PPE curtails the ability of A beta 42 and alpha-syn monomers to self-assemble into larger beta-aggregate structures, as well as potently disrupts their respective amyloid fibrils. In conclusion, the mito-protective and anti-aggregator biological activities of Padina pavonica extract may be of therapeutic value in neurodegenerative proteinopathies, such as AD and PD.