Abstract Title:

Effects of Spirulina platensis on DNA damage and chromosomal aberration against cadmium chloride-induced genotoxicity in rats.

Abstract Source:

Environ Sci Pollut Res Int. 2018 Feb 3. Epub 2018 Feb 3. PMID: 29397502

Abstract Author(s):

Fayza M Aly, Ahmed M Kotb, Seddik Hammad

Article Affiliation:

Fayza M Aly


Todays, bioactive compounds extracted from Spirulina platensis have been intensively studied for their therapeutical values. Therefore, in the present study, we aimed to evaluate the effects of S. platensis extract on DNA damage and chromosomal aberrations induced by cadmium in rats. Four groups of male albino rats (n = 7 rats) were used. The first group served as a control group and received distilled water. The second group was exposed intraperitoneally to cadmium chloride (CdCl2) (3.5 mg/kg body weight dissolved in 2 ml distilled water). The third group included the rats that were orally treated with S.platensis extract (1 g/kg dissolved in 5 ml distilled water, every other day for 30 days). The fourth group included the rats that were intraperitoneally and orally exposed to cadmium chloride and S. platensis, respectively. The experiment in all groups was extended for 60 days. The results ofcadmium-mediated toxicity revealed significant genetic effects (DNA fragmentation, deletion or disappearance of some base pairs of DNA, and appearance of few base pairs according to ISSR-PCR analysis). Moreover, chromosomes showed structural aberrations such as reduction of chromosomal number, chromosomal ring, chromatid deletions, chromosomal fragmentations, and dicentric chromosomes. Surprisingly, S. platensis extract plus CdCl2-treated group showed less genetic effects compared with CdCl2 alone. Further, S. platensis extract upon CdCl2 toxicity was associated with less chromosomal aberration number and nearly normal appearance of DNA fragments as indicated by the bone marrow and ISSR-PCR analysis, respectively. In conclusion, the present novel study showed that co-treatment with S. platensis extract could reduce the genotoxic effects of CdCl2 in rats.

Study Type : Animal Study
Additional Links
Pharmacological Actions : Genoprotective : CK(477) : AC(177)
Problem Substances : Cadmium : CK(383) : AC(148)

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