Test conditions can significantly affect the results of in vitro cytotoxicity testing of degradable metallic biomaterials

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F21%3A43922963" target="_blank" >RIV/60461373:22310/21:43922963 - isvavai.cz</a>

Alternative codes found

RIV/60461373:22330/21:43922963

Result on the web

<a href="https://www.nature.com/articles/s41598-021-85019-6" target="_blank" >https://www.nature.com/articles/s41598-021-85019-6</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1038/s41598-021-85019-6" target="_blank" >10.1038/s41598-021-85019-6</a>

Result language

angličtina

Original language name

Test conditions can significantly affect the results of in vitro cytotoxicity testing of degradable metallic biomaterials

Original language description

In vitro cytotoxicity testing is an indispensable part of the development of new biomaterials. However, the standard ISO 10993-5 enables variability in the testing conditions, which makes the results of the test incomparable. We studied the influence of media composition on the results of the cytotoxicity test. Solutions of ZnCl2 served as simulated extracts and we also used extracts of three types of Zn-based and Mg-based degradable metals. We incubated the cells with the solutions prepared in two types of media with two concentrations of serum (5 and 10%). We compared the toxic effect of the extracts on L929 murine fibroblast-derived cell line, which is recommended by ISO standard and on “osteoblast-like cells” U-2 OS. We also compared two methods of exposition: solutions were added either to a sub-confluent layer or to the cell suspension. We evaluated the metabolic activity of the cells using the resazurin test. We found out that in vitro cytotoxicity is dramatically influenced by the concentration of serum and by the type of the medium as well as by the type of exposition and type of cells. Therefore, when performing in vitro cytotoxicity testing of biomaterials, the authors should carefully specify the conditions of the test and comparison of different studies should be carried out with caution. © 2021, The Author(s).

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20501 - Materials engineering

Project

<a href="/en/project/GA18-06110S" target="_blank" >GA18-06110S: Biodegradable zinc based alloys with optimized corrosion, mechanical and biological properties</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2021

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Scientific Reports

ISSN

2045-2322

e-ISSN

—

Volume of the periodical

11

Issue of the periodical within the volume

1

Country of publishing house

GB - UNITED KINGDOM

Number of pages

9

Pages from-to

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UT code for WoS article

000634964500042

EID of the result in the Scopus database

2-s2.0-85103165149