Open Access

The osteoarthritis‑associated gene PAPSS2 promotes differentiation and matrix formation in ATDC5 chondrogenic cells

  • Authors:
    • Liying Fan
    • Yuan He
    • Jing Han
    • Puwei Yuan
    • Xiong Guo
    • Weizhuo Wang
  • View Affiliations

  • Published online on: October 11, 2018     https://doi.org/10.3892/etm.2018.6843
  • Pages: 5190-5200
  • Copyright: © Fan et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

3'‑Phosphoadenosine 5'‑phosphosulfate synthetase 2 (PAPSS2) has been shown to be important in the development of normal skeletal structure. The aim of the present study was to evaluate the role of PAPSS2 in the differentiation of chondrocytes as well as their mechanisms. Using RNA interference‑mediated via a lentivirus and a retrovirus, PAPSS2 gene silence and overexpression in ATDC5 chondrogenic cells were performed. Chondrocyte differentiation and chondrogenic‑related gene markers associated with extracellular matrix formation were noted. The mRNA and protein expression for Wnt4, β‑catenin and SOX9 genes were observed. The PAPSS2 transcript expression levels progressively decline in ATDC5‑induced chondrocyte‑like cells during differentiation. Silencing of PAPSS2 expression had a significantly attenuating effect on cell differentiation and decreased expression of collagen II and X. In contrast, over‑expression of PAPSS2 promoted the differentiation of ATDC5 chondrogenic cells. The mRNA expression levels of Wnt4 and SOX9 decreased significantly in PAPSS2 knock down cells vs. control cells. However, this expression was increased in the cells over‑expressing PAPSS2. These data indicate that PAPSS2 regulates aggrecan activity as well as cell differentiation. The findings favor a mechanism by which PAPSS2 induces differentiation in ATDC5 cells via direct regulation of early signaling events that promote formation of collagenous matrix components. This control is probably mediated via extracellular matrix formation Wnt/β‑catenin signaling pathways.
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December-2018
Volume 16 Issue 6

Print ISSN: 1792-0981
Online ISSN:1792-1015

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Spandidos Publications style
Fan L, He Y, Han J, Yuan P, Guo X and Wang W: The osteoarthritis‑associated gene PAPSS2 promotes differentiation and matrix formation in ATDC5 chondrogenic cells. Exp Ther Med 16: 5190-5200, 2018
APA
Fan, L., He, Y., Han, J., Yuan, P., Guo, X., & Wang, W. (2018). The osteoarthritis‑associated gene PAPSS2 promotes differentiation and matrix formation in ATDC5 chondrogenic cells. Experimental and Therapeutic Medicine, 16, 5190-5200. https://doi.org/10.3892/etm.2018.6843
MLA
Fan, L., He, Y., Han, J., Yuan, P., Guo, X., Wang, W."The osteoarthritis‑associated gene PAPSS2 promotes differentiation and matrix formation in ATDC5 chondrogenic cells". Experimental and Therapeutic Medicine 16.6 (2018): 5190-5200.
Chicago
Fan, L., He, Y., Han, J., Yuan, P., Guo, X., Wang, W."The osteoarthritis‑associated gene PAPSS2 promotes differentiation and matrix formation in ATDC5 chondrogenic cells". Experimental and Therapeutic Medicine 16, no. 6 (2018): 5190-5200. https://doi.org/10.3892/etm.2018.6843