Ex Vivo Cultivation Of Primary Intestinal Cells From Eisenia Fetida As Basis For Ecotoxicological Studies
2021
Score: 35
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Julia Jasinski,
Anja Holzinger,
S. A. B. Riedl,
S. A. B. Riedl,
S. A. B. Riedl,
S. A. B. Riedl,
Anja Holzinger,
Julia Jasinski,
Anja Holzinger,
Anja Holzinger,
Julia Jasinski,
Anja Holzinger,
Julia Jasinski,
Heike Feldhaar
Julia Jasinski,
Anja Holzinger,
Anja Holzinger,
Julia Jasinski,
Julia Jasinski,
Thomas Scheibel,
Anja Holzinger,
Matthias Voelkl,
Matthias Voelkl,
Valérie Jérôme,
Julia Jasinski,
Thomas Scheibel,
Matthias Voelkl,
Heike Feldhaar
Heike Feldhaar
Valérie Jérôme,
Anja Holzinger,
Matthias Voelkl,
Anja Holzinger,
Thomas Scheibel,
Valérie Jérôme,
Anja Holzinger,
Julia Jasinski,
Julia Jasinski,
Thomas Scheibel,
Anja Holzinger,
Julia Jasinski,
Heike Feldhaar
Heike Feldhaar
Julia Jasinski,
Julia Jasinski,
Valérie Jérôme,
Valérie Jérôme,
Valérie Jérôme,
Valérie Jérôme,
Valérie Jérôme,
Julia Jasinski,
Valérie Jérôme,
Julia Jasinski,
Valérie Jérôme,
Heike Feldhaar
Thomas Scheibel,
Ruth Freitag,
Ruth Freitag,
Ruth Freitag,
Ruth Freitag,
Ruth Freitag,
Ruth Freitag,
Valérie Jérôme,
Valérie Jérôme,
Valérie Jérôme,
Thomas Scheibel,
Valérie Jérôme,
Ruth Freitag,
Ruth Freitag,
Heike Feldhaar
Ruth Freitag,
Thomas Scheibel,
Ruth Freitag,
Thomas Scheibel,
Thomas Scheibel,
Thomas Scheibel,
Ruth Freitag,
Heike Feldhaar
Heike Feldhaar
Heike Feldhaar
Thomas Scheibel,
Thomas Scheibel,
Heike Feldhaar
Heike Feldhaar
Heike Feldhaar
Heike Feldhaar
Ruth Freitag,
Ruth Freitag,
Anja Holzinger,
Anja Holzinger,
Thomas Scheibel,
Heike Feldhaar
Thomas Scheibel,
Heike Feldhaar
Heike Feldhaar
Thomas Scheibel,
Anja Holzinger,
Thomas Scheibel,
Ruth Freitag,
Heike Feldhaar
Heike Feldhaar
Heike Feldhaar
Ruth Freitag,
Ruth Freitag,
Ruth Freitag,
Ruth Freitag,
Ruth Freitag,
Ruth Freitag,
Ruth Freitag,
Ruth Freitag,
Ruth Freitag,
Heike Feldhaar
Heike Feldhaar
Heike Feldhaar
Heike Feldhaar
Heike Feldhaar
Heike Feldhaar
Thomas Scheibel,
Heike Feldhaar
Thomas Scheibel,
Heike Feldhaar
Summary
Researchers developed a method to grow intestinal cells from earthworms (Eisenia fetida) in laboratory culture for toxicity testing. Earthworms are important soil organisms affected by microplastic contamination in soil, and cell-based models could improve understanding of how microplastics damage gut tissue.
<title>Abstract</title> The earthworm <italic>Eisenia fetida</italic> is a commonly used model organism for unspecific soil feeders in ecotoxicological studies. Its intestinal cells are the first to encounter possible pollutants co-ingested by the earthworm, which makes them prime candidates for studies of toxic effects of environmental pollutants on the cellular as compared to the organismic level. Here, cells are isolated directly from the intestine, maintaining > 90% viability during subsequent short-time cultivations (up to 144 h). Exposure to established toxins comprising silver nanoparticles and metal ions (Cu<sup>2+</sup>, Cd<sup>2+</sup>) induced a significant decrease in the metabolic activity of the cells. In presence of microplastic particles (MP particles), namely 0.2, 0.5, 2.0, and 3.0 µm diameter polystyrene (PS) beads as well as 0.5 and 2.0 µm diameter polylactic acid (PLA) beads, no active uptake and no effect on the metabolic activity of the cells was observed. This suggests a tissue rather than cell related basis for the previously observed ecotoxicological effects of MP in case of <italic>Eisenia fetida</italic>.