title: Protective effects of Mangifera indica L extract (Vimang), and its major component mangiferin, on iron-induced oxidative damage to rat serum and liver.
abstract: In vivo preventive effects of a Mangifera indica L extract (Vimang) or its major component mangiferin on iron overload injury have been studied in rats given respectively, 50, 100, 250 mg kg(-1) body weight of Vimang, or 40 mg kg(-1) body weight of mangiferin, for 7 days prior to, and for 7 days following the administration of toxic amounts of iron-dextran. Both Vimang or mangiferin treatment prevented iron overload in serum as well as liver oxidative stress, decreased serum and liver lipid peroxidation, serum GPx activity, and increased serum and liver GSH, serum SOD and the animals overall antioxidant condition. Serum iron concentration was decreased although at higher doses, Vimang tended to increase it; percent tranferrin saturation, liver weight/body mass ratios, liver iron content was decreased. Treatment increased serum iron-binding capacity and decreased serum levels of aspartate-amine transferase (ASAT) and alanine-amine transferase (ALAT), as well as the number of abnormal Kupffer cells in iron-loaded livers. It is suggested that besides acting as antioxidants, Vimang extract or its mangiferin component decrease liver iron by increasing its excretion. Complementing earlier in vitro results from our group, it appears possible to support the hypothesis that Vimang and mangiferin present therapeutically useful effects in iron overload related diseases.
authors.affiliation: Departamento de Investigaciones Biomédicas, Centro de Química Farmacéutica, Calle 200, Esq. 21, Playa, Ciudad de La Habana, Cuba. gilbertopardo@informed.sld.cu
authors.forename: Gilberto L
authors.initials: GL
authors.lastname: Pardo-Andreu
authors.forename: Mariela Forrellat
authors.initials: MF
authors.lastname: Barrios
authors.forename: Carlos
authors.initials: C
authors.lastname: Curti
authors.forename: Ivones
authors.initials: I
authors.lastname: Hernández
authors.forename: Nelson
authors.initials: N
authors.lastname: Merino
authors.forename: Yeny
authors.initials: Y
authors.lastname: Lemus
authors.forename: Ioanna
authors.initials: I
authors.lastname: Martínez
authors.forename: Annia
authors.initials: A
authors.lastname: Riaño
authors.forename: René
authors.initials: R
authors.lastname: Delgado
mesh_terms: D000818:Animals; D000975:Antioxidants / Q000494:pharmacology*; D005260:Female; D005978:Glutathione / Q000032:analysis; D005979:Glutathione Peroxidase / Q000097:blood; D007501:Iron / Q000097:blood; D019190:Iron Overload / Q000097:blood / Q000188:drug therapy*; D008099:Liver / Q000187:drug effects* / Q000378:metabolism / Q000473:pathology; D031022:Mangifera; D010936:Plant Extracts / Q000494:pharmacology*; D051381:Rats; D017208:Rats, Wistar; D013482:Superoxide Dismutase / Q000097:blood; D044004:Xanthones / Q000494:pharmacology*
chemical_list: D000975:Antioxidants; C501277:Mangifera indica extract; D010936:Plant Extracts; D044004:Xanthones; C013592:mangiferin; D007501:Iron; D005979:Glutathione Peroxidase; D013482:Superoxide Dismutase; D005978:Glutathione