Biologically active substances-enriched diet regulates gonadotrope cell activation pathway in liver of adult and old rats
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- 作者：Hanna Oszkiel ; Jacek Wilczak ; Micha? Jank
- 关键词：Rat ; Liver ; Biologically active substances ; Genes expression ; GnRH
- 刊名：Genes & Nutrition
- 出版年：2014
- 出版时间：September 2014
- 年：2014
- 卷：9
- 期：5
- 全文大小：1,655 KB
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- 出版者：Springer Berlin Heidelberg
- ISSN：1865-3499
文摘
According to the Hippocrates-theorem “Let food be your medicine and medicine be your food- dietary interventions may induce changes in the metabolic and inflammatory state by modulating the expression of important genes involved in the chronic disorders. The aim of the present study was to evaluate the influence of long-term (14 months) use of biologically active substances-enriched diet (BASE-diet) on transcriptomic profile of rats-liver. The experiment was conducted on 36 Sprague–Dawley rats divided into two experimental groups (fed with control or BASE-diet, both n?=?18). Control diet was a semi-synthetic diet formulated according to the nutritional requirements for laboratory animals. The BASE-diet was enriched with a mixture of polyphenolic compounds, β-carotene, probiotics, and n-3 and n-6 polyunsaturated fatty acids. In total, n?=?3,017 differentially expressed (DE) genes were identified, including n?=?218 DE genes between control and BASE groups after 3?months of feeding and n?=?1,262 after 14?months. BASE-diet influenced the expression of genes involved particularly in the gonadotrope cell activation pathway and guanylate cyclase pathway, as well as in mast cell activation, gap junction regulation, melanogenesis and apoptosis. Especially genes involved in regulation of GnRH were strongly affected by BASE-diet. This effect was stronger with the age of animals and the length of diet use. It may suggest a link between the diet, reproductive system function and aging.