The Uptake of Sporopollenin Exine Capsules and Associated Bioavailability of Adsorbed Oestradiol in Selected Aquatic Invertebrates.
Bioavailability
Gene expression
Oestrogen
Sporopollenin
Uptake
Journal
Bulletin of environmental contamination and toxicology
ISSN: 1432-0800
Titre abrégé: Bull Environ Contam Toxicol
Pays: United States
ID NLM: 0046021
Informations de publication
Date de publication:
Nov 2021
Nov 2021
Historique:
received:
09
03
2021
accepted:
22
08
2021
pubmed:
31
8
2021
medline:
3
11
2021
entrez:
30
8
2021
Statut:
ppublish
Résumé
Lycopodium clavatum sporopollenin exine capsules (SpECs) are known to both adsorb and absorb chemicals. The aim of the present work was to determine whether oestradiol (E2) is 'bioavailable' to bioindicator species, either pre-adsorbed to, or in the presence of, SpECs. SpEC uptake was confirmed for Daphnia magna and Dreissena bugensis. E2 levels varied among treatments for Caenorhabditis elegans though there was no relationship to SpEC load. E2 was not detected in D. bugensis tissues. Expression changes of general stress and E2-specific genes were measured. For C. elegans, NHR-14 expression suggested that SpECs modulate E2 impacts, but not general health responses. For D. magna, SpECs alone and with E2 changed Vtg1 and general stress responses. For D. bugensis, SpECS were taken up but no E2 or change in gene expression was detected after exposure to E2 and/or SpECs. The present study is the first to investigate SpECs and bound chemical dynamics.
Identifiants
pubmed: 34459949
doi: 10.1007/s00128-021-03364-8
pii: 10.1007/s00128-021-03364-8
pmc: PMC8556174
doi:
Substances chimiques
Biopolymers
0
Capsules
0
Water Pollutants, Chemical
0
sporopollenin
12712-72-0
Carotenoids
36-88-4
Estradiol
4TI98Z838E
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
876-882Subventions
Organisme : North Sea Region Interreg IVB
ID : Sullied Sediments
Informations de copyright
© 2021. The Author(s).
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