期刊
ENVIRONMENTAL POLLUTION
卷 246, 期 -, 页码 99-106出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2018.11.098
关键词
Adriatic Sea; Polycyclic aromatic hydrocarbons; Loggerhead Sea turtles; Gene biomarkers; Biomonitoring
There is evidence that polycyclic aromatic hydrocarbons (PAHs) are consistently the predominant organic contaminants in concentration found in loggerhead sea turtles (Caretta caretta) from the North and Central Adriatic Sea. Hence this study investigates the PAH toxicity to loggerheads by using a particular set of genes [i.e. CYP1B, CAT, GPX, GSTT1, SODS, DNMT1, Epoxide hydrolase 1 (EPHX1), Poly (ADP-ribose) polymerase 1 (PARP1), Lamin-A/C isoform 3 (LMNA), Talin 1 (TLN1), Annexin A1 (ANXA1)1 whose altered expression is potentially dependent on and specific for the PAH-related mechanism of action. Twenty healthy juvenile loggerheads were thus divided into high and low exposure groups (mean of Sigma PAHs: 80.34 ng mL(-1) vs. 8.84 ng mL(-1), P < 0.0001) according to the median split of Sigma PAHs. Interestingly, we found that the whole blood mRNA levels of each gene biomarker tested were significantly increased in high PAH-exposed turtles thus proving to be useful for the biological monitoring of PAH toxicity and hematotoxicity in sea turtles. (C) 2018 Elsevier Ltd. All rights reserved.
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