Protective effects of Spirulina (Arthrospira maxima) against toxicity induced by cadmium in Xenopus laevis.

Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP
Itzayana Pérez-AlvarezGermán Chamorro-Cevallos

Abstract

Spirulina (Arthrospira maxima) has been recognized as a superfood and nutraceutical by its high nutritional value and the benefits of its consumption; it is an important source of lipids, proteins, vitamins, minerals, and antioxidants. It is known that spirulina has positive effects on the toxicity induced by pharmaceuticals and metals. Heavy metals such as cadmium, frequently used in industrial activities, are continuously detected in water bodies and can generate adverse effects on aquatic organisms even at low concentrations. This study aimed to evaluate the protective effect of spirulina (Arthrospira maxima) against the toxic effects induced by cadmium in the early life stages of Xenopus laevis. Twenty Xenopus laevis embryos were exposed to five different treatments on triplicate, control, cadmium (CdCl2 24.5 μg L-1) and three spirulina mixtures Cd + S 1 (24.5 μg L-1 CdCl2 + 2 mg L-1 spirulina), Cd + S 2 (24.5 μg L-1 CdCl2 + 2 mg L-1 spirulina), Cd + S 3 (24.5 μg L-1 CdCl2 + 10 mg L-1 spirulina); after 96 h of exposure: Malformations, mortality and length were evaluated; also, after 192 h, lipid peroxidation (LPX), superoxide dismutase (SOD) and catalase (CAT) were determined. All spirulina treatments decreased mortality fr...Continue Reading

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