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Planta Medica 2011-Sep

Antimutagenic potential of Solanum lycocarpum against induction of chromosomal aberrations in V79 cells and micronuclei in mice by doxorubicin.

Rakstu tulkošanu var veikt tikai reģistrēti lietotāji
Ielogoties Reģistrēties
Saite tiek saglabāta starpliktuvē
Denise Crispim Tavares
Carla Carolina Munari
Marcelo Gonzaga de Freitas Araújo
Mariana Correa Beltrame
Michelle Andrade Furtado
Camila Costa Gonçalves
Renata Fabiane Jorge Tiossi
Jairo Kenupp Bastos
Wilson Roberto Cunha
Rodrigo Cassio Sola Veneziani

Atslēgvārdi

Abstrakts

Solanum lycocarpum A. St. Hil. (Solanaceae) is a hairy shrub or small much-branched tree of the Brazilian Cerrado. S. lycocarpum fruits are commonly used in traditional medicine in powder form or as folk preparations for the treatment of diabetes and obesity, as well as for controlling cholesterol levels. The aim of the present study was to chemically characterize the hydroalcoholic extract (SL) of S. lycocarpum by determination of total flavonoids and total poyphenols and quantification of steroidal alkaloids, as well as to evaluate its mutagenic and/or antimutagenic potential on V79 cells and Swiss mice using chromosomal aberrations and bone marrow micronucleus assays, respectively. Three concentrations of SL (16, 32, and 24 µg/mL) were used for the evaluation of its mutagenic potential in V79 cells and four doses (0.25, 0.50, 1.0, and 2.0 g/kg body weight) were used for Swiss mice. In the antimutagenicity assays, the different concentrations of SL were combined with the chemotherapeutic agent doxorubicin (DXR). HPLC analysis of SL gave contents of 6.57 % ± 0.41 of solasonine and 4.60 % ± 0.40 of solamargine. Total flavonoids and polyphenols contents in SL were 0.04 and 3.60 %, respectively. The results showed that not only SL exerted no mutagenic effect, but it also significantly reduced the frequency of chromosomal aberrations induced by DXR in both V79 cells and micronuclei in Swiss mice at the doses tested.

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