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Vitamin D suppresses macrophage infiltration by down-regulation of TREM-1 in diabetic nephropathy rats
This study intends to investigate the effect of active vitamin D (VD) on the expression of triggering receptor expressed on myeloid cells-1 (TREM-1) in the renal tissues of diabetic nephropathy (DN) rats and to explore the impact of TREM-1 on macrophage adhesion and migration. We find that the expressions of TREM-1 and CD68 protein are higher in DN rats compared with rats in the normal control group and that these changes are decreased in the DN + VD group. In vitro, the capacity for macrophage adhesion and migration and the expression of TREM-1 are increased under high-glucose conditions, but VD inhibits this progress....
Source: Molecular and Cellular Endocrinology - July 10, 2018 Category: Endocrinology Source Type: research

1,25-Dihydroxy vitamin D3 stimulates system A amino acid transport in primary human trophoblast cells
In conclusion, 1,25-dihydroxy vitamin D3 regulates System A activity through increased mRNA expression of SNAT2 transporters. Effects on placental amino acid transport may be the mechanism underlying the association between maternal vitamin D status and fetal growth.
Source: Molecular and Cellular Endocrinology - December 15, 2016 Category: Endocrinology Source Type: research

1,25-Dihydroxyvitamin D3 and extracellular calcium promote mineral deposition via NPP1 activity in a mature osteoblast cell line MLO-A5
Publication date: 5 September 2015 Source:Molecular and Cellular Endocrinology, Volume 412 Author(s): Dongqing Yang , Andrew G. Turner , Asiri R. Wijenayaka , Paul H. Anderson , Howard A. Morris , Gerald J. Atkins While vitamin D supplementation is common, the anabolic mechanisms that improve bone status are poorly understood. Under standard mineralising conditions including media ionised calcium of 1.1 mM, 1,25-dihydroxyvitamin D3 (1,25D) enhanced differentiation and mineral deposition by the mature osteoblast/pre-osteocyte cell line, MLO-A5. This effect was markedly increased with a higher ionised calcium level (1.5â...
Source: Molecular and Cellular Endocrinology - June 26, 2015 Category: Endocrinology Source Type: research