Modulatory role of genistein on placenta and maternal bone minerals composition: further insight into its influence on pregnancy and foetal development

Samuel, Titilola Aderonke and Awobajo, Funmileyi Olubajo and Akinsanya, Taiwo Hafsah and Oyediran, Habeeb Shemilore and Egege, Ikechukwu Eric and Egede, Chiamaka Blessing and Timothy, Bukola Oluwasegun (2020) Modulatory role of genistein on placenta and maternal bone minerals composition: further insight into its influence on pregnancy and foetal development. BIOLOGIA FUTURA, 71 (3). pp. 223-230. ISSN 2676-8615 (print); 2676-8607 (online)

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Abstract

Pregnancy is a crucial period with an increased need to supply necessary minerals for both the mother and the developing foetus and with a tendency of altering the maternal bone mineral density when there is no balance between demand and supply of these minerals. This study evaluated the influence of genistein on the maternal bone and placenta mineral composition. Pregnant rats were grouped into control, 2 mg/kg and 4 mg/kg genistein groups, dosed accordingly till sacrificed at different gestation days (GD). Body and placenta weights, right femur bone and placenta mineral composition were analysed. A significant decrease in body weight and percentage relative right femur bone weight at GD-20 was recorded in the 2-mg group with the reverse occurring in the 4-mg genistein group. The right femur bone Ca2+ and Zn2+ was reduced towards GD-20 in both 2-mg and 4-mg genistein groups. Genistein had no influence on placenta selenium and cadmium level, but significantly decreased zinc and lead level concentration as the gestation progressed towards GD-20. Copper level was increased at GD-16 at the doses used. Genistein modulated maternal bone mineral composition and placenta capability in retaining some heavy metals at various stages of pregnancy.

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