NIPA2 regulates osteoblast function via its effect on apoptosis pathways in type 2 diabetes osteoporosis.

In this study we aimed to investigate the specific role and mechanism of NIPA2 in the pathogenesis of type 2 diabetes osteoporosis. We first used western blotting, PCR, immunofluorescence, and magnesium ion probes to detect changes of NIPA2 and intracellular magnesium levels in osteoblasts at different concentrations of advanced glycation end products (AGEs). We then up- or down-regulated NIPA2 using a lentivirus and analyzed apoptotic biomarkers as well as the osteogenic ability of osteoblasts. We found that AGEs dose-dependently down-regulated the expression of NIPA2 in osteoblasts. NIPA2 also regulated osteoblast apoptosis by affecting the intracellular magnesium level and further affecting the osteogenic capacity of osteoblasts. Our study revealed the changes of NIPA2 in response to AGEs in the environment, as well as its function and mechanism in osteoblasts, demonstrating its important role in the pathogenesis of type 2 diabetes osteoporosis. The study suggests that NIPA2 is a potential target for the treatment of type 2 diabetes osteoporosis. PMID: 31003774 [PubMed - as supplied by publisher]
Source: Biochemical and Biophysical Research communications - Category: Biochemistry Authors: Tags: Biochem Biophys Res Commun Source Type: research

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