期刊
SENSORS
卷 7, 期 10, 页码 2419-2429出版社
MDPI
DOI: 10.3390/s7102419
关键词
electrochemical detection; catalytic signal; brdicka reaction; heavy metals; red-eared slider; bearded dragon; domestic fowl; grey wolf; bactrian camel; reindeer; takin; European bison; red deer
Metallothioneins play a key role in maintaining homeostasis of essential metals and in protecting of cells against metal toxicity as well as oxidative damaging. Excepting humans, blood levels of metallothionein have not yet been reported from any animal species. Blood plasma samples of 9 animal species were analysed by the adsorptive transfer stripping technique to obtain species specific voltammograms. Quite distinct records were obtained from the Takin (Budorcas taxicolor), while other interesting records were observed in samples from the European Bison (Bison bonasus bonasus) and the Red-eared Slider (Trachemys scripta elegans). To quantify metallothionein the catalytic peak Cat2 was used, well developed in the Domestic Fowl (Gallus gallus f. domestica) and showing a very low signal in the Red Deer (Cervus elaphus). The highest levels of metallothionein reaching over 20 M were found in the Domestic Fowl. High levels of MT were also found in the Bearded Dragon (Pogona vitticeps) and the Grey Wolf (Canis lupus lupus). The lowest values of about 1-3 mu M were determined in the Red-eared Slider, Takin and Red Deer.
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