Rescuing effects of periostin in advanced glycation end-products (AGEs) caused osteogenic and oxidative damage through AGE receptor mediation and DNA methylation of the CALCA promoter.

Autor: Wang QN; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Oral Special Consultation, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China; Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, China., Yan YZ; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Dental Implantology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China; Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, China., Zhang XZ; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Dental Implantology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China; Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, China., Lv JX; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Dental Implantology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China; Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, China., Nie HP; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Dental Implantology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China; Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, China., Wu J; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Dental Implantology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China; Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, China., Wu D; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Dental Implantology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China; Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, China., Yuan SS; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Dental Implantology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China; Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, China., Tang CB; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Dental Implantology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China; Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, China. Electronic address: cbtang@njmu.edu.cn.
Jazyk: angličtina
Zdroj: Chemico-biological interactions [Chem Biol Interact] 2022 Feb 25; Vol. 354, pp. 109835. Date of Electronic Publication: 2022 Jan 26.
DOI: 10.1016/j.cbi.2022.109835
Abstrakt: An in vitro model was established to simulate a diabetes-type environment by treating human periodontal stem cells with advanced glycation end-products (AGEs). Periostin (POSTN) plays a crucial role in maintaining the integrity of periodontal tissues. However, the role of POSTN in human periodontal stem cells stimulated by AGEs remains unknown. Diabetes mellitus is considered a metabolic disease, and DNA methylation of CpG islands is a biomarker of metabolic syndromes. Diabetes has been found to be closely related to the DNA methylation of certain genes. Here, we investigated the protective mechanism and effect of POSTN on osteogenesis and oxidative stress in the AGE environment, and further explored the CpG island methylation of specific genes potentially mediated by POSTN. The optimal concentration of AGEs was screened using CCK8. AGEs were found to contribute to oxidative stress. Conversely, reactive oxygen species production and malondialdehyde and superoxide activity indicated that the AGE + POSTN group decreased oxidative injury. According to an alkaline phosphatase assay, Alizarin Red S staining, and the expression of key genes and proteins involved in osteogenesis, POSTN mitigated the inhibitory effects of AGE on cell proliferation and osteogenic differentiation potential during osteogenic differentiation. In contrast, the growth and osteogenesis of human periodontal stem cells were notably suppressed by POSTN knockdown. Bisulfite sequencing PCR was used to evaluate the DNA methylation status. Moreover, AGE elevated the expression of DNA methyltransferas 1 (DNMT1) and inhibited the activation of CALAL promoter methylation, which was rescued by the addition of POSTN and 5-Azacytidine (5-AZA). In conclusion, POSTN attenuated the AGE-induced inhibition of osteogenesis in periodontal ligament stem cells by reducing AGE receptor levels and DNA methylation of the calcitonin-related polypeptide α (CALCA) promoter. Thus, POSTN is a promising candidate for dental bone regeneration, representing a novel therapeutic agent for diabetic patients. The mechanism underlying these processes may provide new insights into novel therapeutic targets for improving abnormal bone metabolism in patients with diabetes.
(Copyright © 2022 Elsevier B.V. All rights reserved.)
Databáze: MEDLINE
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