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Germán Chamorro-Cevallos,Leticia Garduño-Siciliano,Elizdath Martínez-Galero,Angélica Mojica-Villegas,Nicole Pages,Gabriela Gutiérrez-Salmeán 한국식품영양과학회 2014 Journal of medicinal food Vol.17 No.5
Benzo[alpha]pyrene (B[a]P) was used to test the possible antimutagenic effects of Arthrospira (Spirulina) maxima (SP) on male and female mice. SP was orally administered at 0, 200, 400, or 800 mg/kg of body weight to animals of both sexes for 2 weeks before starting the B[a]P (intraperitoneal injection) at 125 mg/kg of body weight for 5 consecutive days. For the male dominant lethal test, each male was caged with two untreated females per week for 3 weeks. For the female dominant lethal test, each female was caged for 1 week with one untreated male. All the females were evaluated 13–15 days after mating for incidence of pregnancy, total corpora lutea, total implants and pre- and postimplant losses. SP protected from B[a]P-induced pre- and postimplant losses in the male dominant lethal test, and from B[a]P-induced postimplantation losses in treated females. Moreover, SP treatment significantly reduced the detrimental effect of B[a]P on the quality of mouse semen. Our results illustrate the protective effects of SP in relation to B[a]P-induced genetic damage to germ cells. We conclude that SP, owing mainly to the presence of phycocyanin, could be of potential clinical interest in cancer treatment or prevention of relapse.
Gabriel Alfonso Gutie´rrez-Rebolledo,Marcela Galar-Martı´nez,Rosa Virginia Garcı´a-Rodrı´guez,Germa´n A. Chamorro-Cevallos,Ana Gabriela Herna´ndez-Reyes,Elizdath Martı´nez-Galero 한국식품영양과학회 2015 Journal of medicinal food Vol.18 No.8
One of the major mechanisms in the pathogenesis of chronic inflammation is the excessive production of reactive oxygen and reactive nitrogen species, and therefore, oxidative stress. Spirulina (Arthrospira) maxima has marked antioxidant activity in vivo and in vitro, as well as anti-inflammatory activity in certain experimental models, the latter activity being mediated probably by the antioxidant activity of this cyanobacterium. In the present study, chronic inflammation was induced through injection of Freund’s complete adjuvant (CFA) in rats treated daily with Spirulina (Arthrospira) maxima for 2 weeks beginning on day 14. Joint diameter, body temperature, and motor capacity were assessed each week. On days 0 and 28, total and differential leukocyte counts and serum oxidative damage were determined, the latter by assessing lipid peroxidation and protein carbonyl content. At the end of the study, oxidative damage to joints was likewise evaluated. Results show that S. maxima favors increased mobility, as well as body temperature regulation, and a number of circulating leukocytes, lymphocytes, and monocytes in specimens with CFA-induced chronic inflammation and also protects against oxidative damage in joint tissue as well as serum. In conclusion, the protection afforded by S. maxima against development of chronic inflammation is due to its antioxidant activity.