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Novel applications of ubiquinone biopolymer nanocarriers for preventive and regenerative therapeutics: The Saccharomyces cerevisiae paradigm.

Abstract：

:Since the last decade, nanodispersed drug delivery systems gain increasingly more importance for therapeutic research fields. The forced transport to the centers of inflammation is supposed to take advantage as a novel strategic approach. Thus, the focus of this study was to investigate the applicability of ubiquinone nanoformulations against oxidative stress. The physiological reduction of reactive oxygen species (ROS) seems to be a promising treatment to point out the potential effects of these sophisticated nano-constructs. Therefore, the yeast strain Saccharomyces cerevisiae N34 was used for in vitro studies as a representative for eukaryotic organisms. Growth parameters during sequential fed batch-cultivation were monitored online using focused beam reflectance measurement (FBRM) method. The ability to control diverse cellular processes makes this yeast strain to a valuable tool for the initial investigation by understanding the fundamental mechanisms of nanoparticulate formulations onto eukaryotic cells. Furthermore, the characteristic stress response of yeast cell culture was examined, so that drug effects could be determined quantitatively. As a chemical stressor, diamide was tested in the range of 1-1000 mg diamide per g cell dry weight (CDW). The ubiquinone nanoformulation demonstrated a total stress reduction of approximately 14% in the yeast culture, confirming the potential applicability of ubiquinone.

journal_name

Int J Pharm

journal_title

International journal of pharmaceutics

authors

Hoennscheidt C,Margaritis A,Krull R

doi

10.1016/j.ijpharm.2014.11.034

subject

Has Abstract

pub_date

2015-01-15 00:00:00

pages

416-425

issue

1

eissn

0378-5173

issn

1873-3476

pii

S0378-5173(14)00846-1

journal_volume

478

pub_type

杂志文章

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