Does polysaccharide glycogen behave as a promoter of amyloid fibril formation at physiologically relevant concentrations?
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F21%3A00539969" target="_blank" >RIV/61389013:_____/21:00539969 - isvavai.cz</a>
Nalezeny alternativní kódy
RIV/00216208:11310/21:10442129
Výsledek na webu
<a href="https://pubs.rsc.org/en/content/articlelanding/2021/SM/D0SM01884H#!divAbstract" target="_blank" >https://pubs.rsc.org/en/content/articlelanding/2021/SM/D0SM01884H#!divAbstract</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1039/D0SM01884H" target="_blank" >10.1039/D0SM01884H</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Does polysaccharide glycogen behave as a promoter of amyloid fibril formation at physiologically relevant concentrations?
Popis výsledku v původním jazyce
We investigated the influence of glycogen (GG), phytoglycogen (PG), mannan (MAN) and cinnamoyl-modified GG (GG-CIN) on amyloid fibril formation. We used hen egg-white lysozyme (HEWL) as a model system and amyloid beta peptide (1–42) (Aβ1–42) as an Alzheimer's disease-relevant system. For brief detection of fibrils was used thioflavin T (ThT) fluorescence assay and the results were confirmed by transmission electron microscopy (TEM). We also deal with the interaction of polysaccharides and HEWL with isothermal titration calorimetry (ITC) and dynamic light scattering (DLS). We found that all polysaccharides accelerated the formation of amyloid fibrils from both HEWL and Aβ1–42. At high but physiologically relevant concentrations of GG, amyloid fibril formation was extremely accelerated for HEWL. Therefore, on the basis of the herein presented in vitro data, we hypothesize, that dietary D-glucose intake may influence amyloid fibril formation not only by influencing regulatory pathways, but also by direct glycogen-amyloid precursor protein molecular interaction, as glycogen levels in tissues are highly dependent on D-glucose intake.nn
Název v anglickém jazyce
Does polysaccharide glycogen behave as a promoter of amyloid fibril formation at physiologically relevant concentrations?
Popis výsledku anglicky
We investigated the influence of glycogen (GG), phytoglycogen (PG), mannan (MAN) and cinnamoyl-modified GG (GG-CIN) on amyloid fibril formation. We used hen egg-white lysozyme (HEWL) as a model system and amyloid beta peptide (1–42) (Aβ1–42) as an Alzheimer's disease-relevant system. For brief detection of fibrils was used thioflavin T (ThT) fluorescence assay and the results were confirmed by transmission electron microscopy (TEM). We also deal with the interaction of polysaccharides and HEWL with isothermal titration calorimetry (ITC) and dynamic light scattering (DLS). We found that all polysaccharides accelerated the formation of amyloid fibrils from both HEWL and Aβ1–42. At high but physiologically relevant concentrations of GG, amyloid fibril formation was extremely accelerated for HEWL. Therefore, on the basis of the herein presented in vitro data, we hypothesize, that dietary D-glucose intake may influence amyloid fibril formation not only by influencing regulatory pathways, but also by direct glycogen-amyloid precursor protein molecular interaction, as glycogen levels in tissues are highly dependent on D-glucose intake.nn
Klasifikace
Druh
J<sub>imp</sub> - Článek v periodiku v databázi Web of Science
CEP obor
—
OECD FORD obor
10404 - Polymer science
Návaznosti výsledku
Projekt
Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.
Návaznosti
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Ostatní
Rok uplatnění
2021
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Soft Matter
ISSN
1744-683X
e-ISSN
1744-6848
Svazek periodika
17
Číslo periodika v rámci svazku
6
Stát vydavatele periodika
GB - Spojené království Velké Británie a Severního Irska
Počet stran výsledku
14
Strana od-do
1628-1641
Kód UT WoS článku
000620242000016
EID výsledku v databázi Scopus
2-s2.0-85101150248