Journal
NUTRIENTS
Volume 14, Issue 17, Pages -Publisher
MDPI
DOI: 10.3390/nu14173473
Keywords
genistein; brush border membrane; iron; microbiome; biomarkers
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This study investigated the effects of genistein administration on trace mineral status, BBM functionality, intestinal morphology, and intestinal microbiome in Gallus gallus. The results showed that intraamniotic administration of 2.5% genistein improved villus surface area, acidic goblet cells, and hemoglobin levels. Genistein exposure also downregulated DcytB and upregulated hepcidin expression, and positively altered the composition and function of the intestinal microbiota.
Genistein is an isoflavone naturally present in numerous staple food crops, such as soybeans and chickpeas. This study utilized the Gallus gallus intraamniotic administration procedure to assess genistein administration effects on trace mineral status, brush border membrane (BBM) functionality, intestinal morphology, and intestinal microbiome in vivo. Eggs were divided into five groups with 1 mL injection of the following treatments: no-injection, DI H2O, 5% inulin, and 1.25% and 2.5% genistein (n = 8 per group). Upon hatch, blood, cecum, small intestine, and liver were collected for assessment of hemoglobin, intestinal microflora alterations, intestinal morphometric assessment, and mRNA gene expression of relevant iron and zinc transporter proteins, respectively. This study demonstrated that intraamniotic administration of 2.5% genistein increased villus surface area, number of acidic goblet cells, and hemoglobin. Additionally, genistein exposure downregulated duodenal cytochrome B (DcytB) and upregulated hepcidin expression. Further, genistein exposure positively altered the composition and function of the intestinal microbiota. Our results suggest a physiological role for genistein administration in improving mineral status, favorably altering BBM functionality and development, positively modulating the intestinal microbiome, as well as improving physiological status.
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