Serveur d'exploration sur les relations entre la France et l'Australie

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Purified c‐phycoerythrin: safety studies in rats and protective role against permanganate‐mediated fibroblast‐DNA damage

Identifieur interne : 007203 ( Main/Exploration ); précédent : 007202; suivant : 007204

Purified c‐phycoerythrin: safety studies in rats and protective role against permanganate‐mediated fibroblast‐DNA damage

Auteurs : Badrish Soni [France, Inde, Australie] ; Nishant P. Visavadiya [Inde, États-Unis] ; Nirav Dalwadi [Inde] ; Datta Madamwar [Inde] ; Chris Winder [Australie] ; Christian Khalil [Australie]

Source :

RBID : ISTEX:A65E5E3A43E53638E2798C3A88D854EF8BD78D9C

Descripteurs français

English descriptors

Abstract

We have evaluated in vitro cytotoxicity of cyanobacterial phycoerythrin (C‐PE) on three human cell lines by cell proliferation and neutral red uptake assays. No toxic effects of C‐PE were observed to any of the cell lines tested. The protective role of purified C‐PE to potassium permanganate‐mediated human fibroblast‐DNA damage was assessed by comet assay at 0 (control), 10 and 20 µg C‐PE ml−1 doses in pre‐, simultaneous and post‐mutagen exposure conditions. Significant DNA damage was detected only in post‐mutagen exposure conditions. Our findings confirmed that the C‐PE is non‐toxic and provides protection against permanganate‐mediated DNA damage. The preliminary acute (2000 mg C‐PE kg−1 body weight, b.w.) and 90 day sub‐chronic (0, 5, 15 and 25 mg C‐PE kg−1 b.w./day) oral toxicity studies of purified C‐PE in male albino rats showed no mortality or treatment‐related major clinical signs, and all the doses of C‐PE were well tolerated. The no observed adverse effect level and no observed effect level were found to be 15 and 5 mg C‐PE kg−1 b.w./day respectively. Copyright © 2010 John Wiley & Sons, Ltd.

Url:
DOI: 10.1002/jat.1524


Affiliations:


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<div type="abstract" xml:lang="en">We have evaluated in vitro cytotoxicity of cyanobacterial phycoerythrin (C‐PE) on three human cell lines by cell proliferation and neutral red uptake assays. No toxic effects of C‐PE were observed to any of the cell lines tested. The protective role of purified C‐PE to potassium permanganate‐mediated human fibroblast‐DNA damage was assessed by comet assay at 0 (control), 10 and 20 µg C‐PE ml−1 doses in pre‐, simultaneous and post‐mutagen exposure conditions. Significant DNA damage was detected only in post‐mutagen exposure conditions. Our findings confirmed that the C‐PE is non‐toxic and provides protection against permanganate‐mediated DNA damage. The preliminary acute (2000 mg C‐PE kg−1 body weight, b.w.) and 90 day sub‐chronic (0, 5, 15 and 25 mg C‐PE kg−1 b.w./day) oral toxicity studies of purified C‐PE in male albino rats showed no mortality or treatment‐related major clinical signs, and all the doses of C‐PE were well tolerated. The no observed adverse effect level and no observed effect level were found to be 15 and 5 mg C‐PE kg−1 b.w./day respectively. Copyright © 2010 John Wiley & Sons, Ltd.</div>
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