期刊
JOURNAL OF FUNGI
卷 8, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/jof8080864
关键词
serum 25-OHD; vitamin D deficiency; ultraviolet irradiation; bioavailability; gene expression
资金
- Indian Council of Medical Research (ICMR), Government of India [3/1/2/149/2019-Nut]
This study found that UV irradiated mushrooms could effectively improve serum markers of vitamin D-deficient rats, improve bone condition, and regulate the expression of vitamin D-related genes. Mushrooms could potentially be an important food source for supplementing vitamin D.
Vitamin D deficiency is highly prevalent in India and worldwide. Mushrooms are important nutritional foods, and in this context shiitake (Lentinula edodes), button (Agaricus bisporus) and oyster (Pleurotus ostreatus) mushrooms are known for their bioactive properties. The application of ultraviolet (UV) irradiation for the production of substantial amounts of vitamin D-2 is well established. Levels of serum 25-hydroxy vitamin D (25-OHD), parathyroid hormone (PTH), calcium, phosphorus and alkaline phosphatase (ALP) were significantly (p < 0.05) improved in vitamin-D-deficient rats after feeding with UVB irradiated mushrooms for 4 weeks. Further, microscopic observations indicate an improvement in the osteoid area and the reduction in trabecular separation of the femur bone. In addition, the level of expression of the vitamin D receptor (VDR) gene and genes metabolizing vitamin D were explored. It was observed that in mushroom-fed and vitamin-D-supplemented groups, there was upregulation of CYP2R1 and VDR, while there was downregulation of CYP27B1 in the liver. Further, CYP2R1 was downregulated, while CYP27B1 and VDR were upregulated in kidney tissue.
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