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Laurus nobilis (laurel) aqueous leaf extract's toxicological and anti-tumor activities in HPV16-transgenic mice

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Resumo:Cancers induced by human papillomavirus (HPV) infection remain a significant public health threat, fueling the study of new therapies. Laurel (Laurus nobilis) compounds and extracts recently showed in vitro activity against HPV-transformed cell lines. This work aims to evaluate the in vivo efficacy and hepatic toxicity of a laurel extract in a transgenic mouse model of HPV16-induced cancer. The extract was administered in drinking water (20 mg per animal per day) for three consecutive weeks, using four experimental groups (n = 10) (group I: HPV16−/− without treatment, group II: treated HPV16−/−, group III: HPV16+/− without treatment and group IV: treated HPV16+/−). Following the treatment period, animals were sacrificed and skin samples were used to classify skin lesions histologically. Toxicological parameters included hematological and biochemical blood markers, splenic and hepatic histology and hepatic oxidative stress. The extract did not prevent the progression of HPV16-induced cutaneous lesions in this model. The treated wildtype animals showed mild hepatitis, while transgenic animals suffered weight loss. However, there were no changes concerning hematological, biochemical and hepatic oxidative stress markers.
Autores principais:Medeiros-Fonseca, Beatriz
Outros Autores:Mestre, V.F.; Colaço, B.; Pires, Maria João; Martins, Tânia; Costa, Rui Miguel Gil; Neuparth, Maria João; Medeiros, Rui; Moutinho, Magda S.S.; Dias, Maria Inês; Barros, Lillian; Bastos, Margarida M.S.M.; Félix, Luís; Venâncio, Carlos; Ferreira, Isabel C.F.R.; Antunes, L.M.; Oliveira, Paula A.
Ano:2018
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Bragança
Idioma:inglês
Origem:Biblioteca Digital do IPB

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