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Article Open Access

Neuropeptide Y upregulates Runx2 and osterix and enhances osteogenesis in mouse MC3T3‑E1 cells via an autocrine mechanism

  • Authors:
    • Bo Zhang
    • Xiaolei Zhang
    • Juan Xiao
    • Xuguang Zhou
    • Yuan Chen
    • Chunzheng Gao
  • View Affiliations / Copyright

    Affiliations: Department of Joint Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250033, P.R. China, Department of Obstetrics and Gynecology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, P.R. China, Department of Evidence‑Based Medicine, Institute of Medical Sciences, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250033, P.R. China, Departments of Central Research Lab, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250033, P.R. China, Departments of Spinal Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250033, P.R. China
    Copyright: © Zhang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 4376-4382
    |
    Published online on: September 14, 2020
       https://doi.org/10.3892/mmr.2020.11506
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Abstract

The neuropeptide Y (NPY) system is considered one of the primary neural signaling pathways. NPY, produced by osteoblasts and other peripheral tissues, is known to inhibit biological functions of osteoblasts. However, until recently, little was known of the autocrine mechanism by which NPY is regulated. To investigate this mechanism, overexpression plasmids and small interfering RNA (siRNA) targeting NPY were transfected into the MC3T3‑E1 cell line to observe its effects on osteogenesis. NPY overexpression was found to markedly enhance the osteogenic ability of MC3T3‑E1 cells by an autocrine mechanism, coincident with the upregulation of osterix and runt‑related transcription factor 2 (Runx2). Furthermore, NPY increased the activities of alkaline phosphatase (ALP) and osteocalcin (OCN) by upregulating their osteoblastic expression in vitro (as well as that of osterix and Runx2). Following transfection with NPY‑siRNA, the osteoblastic ability of MC3T3‑E1 cells was markedly decreased, and NPY deficiency inhibited the protein expression of osterix, Runx2, OCN and ALP in primary osteoblasts. Collectively, these results indicated that NPY played an important role in osteoblast differentiation by regulating the osterix and Runx2 pathways.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang B, Zhang X, Xiao J, Zhou X, Chen Y and Gao C: Neuropeptide Y upregulates Runx2 and osterix and enhances osteogenesis in mouse MC3T3‑E1 cells via an autocrine mechanism. Mol Med Rep 22: 4376-4382, 2020.
APA
Zhang, B., Zhang, X., Xiao, J., Zhou, X., Chen, Y., & Gao, C. (2020). Neuropeptide Y upregulates Runx2 and osterix and enhances osteogenesis in mouse MC3T3‑E1 cells via an autocrine mechanism. Molecular Medicine Reports, 22, 4376-4382. https://doi.org/10.3892/mmr.2020.11506
MLA
Zhang, B., Zhang, X., Xiao, J., Zhou, X., Chen, Y., Gao, C."Neuropeptide Y upregulates Runx2 and osterix and enhances osteogenesis in mouse MC3T3‑E1 cells via an autocrine mechanism". Molecular Medicine Reports 22.5 (2020): 4376-4382.
Chicago
Zhang, B., Zhang, X., Xiao, J., Zhou, X., Chen, Y., Gao, C."Neuropeptide Y upregulates Runx2 and osterix and enhances osteogenesis in mouse MC3T3‑E1 cells via an autocrine mechanism". Molecular Medicine Reports 22, no. 5 (2020): 4376-4382. https://doi.org/10.3892/mmr.2020.11506
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang B, Zhang X, Xiao J, Zhou X, Chen Y and Gao C: Neuropeptide Y upregulates Runx2 and osterix and enhances osteogenesis in mouse MC3T3‑E1 cells via an autocrine mechanism. Mol Med Rep 22: 4376-4382, 2020.
APA
Zhang, B., Zhang, X., Xiao, J., Zhou, X., Chen, Y., & Gao, C. (2020). Neuropeptide Y upregulates Runx2 and osterix and enhances osteogenesis in mouse MC3T3‑E1 cells via an autocrine mechanism. Molecular Medicine Reports, 22, 4376-4382. https://doi.org/10.3892/mmr.2020.11506
MLA
Zhang, B., Zhang, X., Xiao, J., Zhou, X., Chen, Y., Gao, C."Neuropeptide Y upregulates Runx2 and osterix and enhances osteogenesis in mouse MC3T3‑E1 cells via an autocrine mechanism". Molecular Medicine Reports 22.5 (2020): 4376-4382.
Chicago
Zhang, B., Zhang, X., Xiao, J., Zhou, X., Chen, Y., Gao, C."Neuropeptide Y upregulates Runx2 and osterix and enhances osteogenesis in mouse MC3T3‑E1 cells via an autocrine mechanism". Molecular Medicine Reports 22, no. 5 (2020): 4376-4382. https://doi.org/10.3892/mmr.2020.11506
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