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Article

Effects of transforming growth factor‑β1 on the proliferation and invasion of the HTR‑8/SVneo cell line

  • Authors:
    • Yanzhen Zuo
    • Zhihua Fu
    • Yatao Hu
    • Yuhong Li
    • Qian Xu
    • Dayong Sun
    • Yusi Tan
  • View Affiliations / Copyright

    Affiliations: Department of Pharmacology, Chengde Medical University, Chengde, Hebei 067000, P.R. China, Department of Nursing, Chengde Nursing Vocational College, Chengde, Hebei 067000, P.R. China, Department of Pathophysiology, Chengde Medical University, Chengde, Hebei 067000, P.R. China, Department of Research Laboratory, Chengde Medical University, Chengde, Hebei 067000, P.R. China, Department of Tumor Radiation and Chemotherapy Center, Chengde Central Hospital, Chengde, Hebei 067000, P.R. China
  • Pages: 2187-2192
    |
    Published online on: August 18, 2014
       https://doi.org/10.3892/ol.2014.2451
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Abstract

Transforming growth factor‑β1 (TGF‑β1) is involved in the regulation of trophoblast cell proliferation and invasion. However, the mechanism underlying this process remains unknown, which is predominantly due to the difficulty in obtaining and maintaining primary trophoblast cells in culture over a long period of time. The HTR‑8/SVneo cell line is an immortalized trophoblast cell line, which has been reported to exhibit a number of similar characteristics to those of parental trophoblast cells. Therefore, the cell line has been a useful tool for the investigation of placental function and tumor progression. In the present study, the HTR‑8/SVneo cell line was used as a model to investigate the TGF‑β1/SMAD signaling pathway in the proliferation and invasion of trophoblast cells. The proliferation and invasion ability of HTR‑8/SVneo cells was determined using the MTT and Transwell assays, respectively. In addition, reverse transcription polymerase chain reactions were performed to detect the mRNA expression of a panel of known downstream mediators of TGF‑β1, including TGF‑β receptor I (TβRI), SMAD4, SMAD3, SMAD7 and tissue inhibitor of metalloproteinases‑1 (TIMP‑1). The results indicated that TGF‑β1 promotes the proliferation and invasion of the HTR‑8/SVneo cell line at passage 90. Furthermore, the expression of TβRI, SMAD3 and SMAD4 were reduced following treatment with TGF‑β1, while the expression of SMAD7 was increased and the expression of TIMP‑1 remained unchanged following TGF‑β1 treatment. These observations indicated that the effects of TGF‑β1 on the proliferation and invasion of the HTR‑8/SVneo cell line at passage 90 were different from those of parental trophoblasts, which is in contrast to the results of previous studies. It was concluded that the HTR‑8/SVneo cell lines, which have been grown for over 90 passages, do not accurately represent parental trophoblast cells in studies of the TGF‑β/SMAD signaling pathway.
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Copy and paste a formatted citation
Spandidos Publications style
Zuo Y, Fu Z, Hu Y, Li Y, Xu Q, Sun D and Tan Y: Effects of transforming growth factor‑β1 on the proliferation and invasion of the HTR‑8/SVneo cell line. Oncol Lett 8: 2187-2192, 2014.
APA
Zuo, Y., Fu, Z., Hu, Y., Li, Y., Xu, Q., Sun, D., & Tan, Y. (2014). Effects of transforming growth factor‑β1 on the proliferation and invasion of the HTR‑8/SVneo cell line. Oncology Letters, 8, 2187-2192. https://doi.org/10.3892/ol.2014.2451
MLA
Zuo, Y., Fu, Z., Hu, Y., Li, Y., Xu, Q., Sun, D., Tan, Y."Effects of transforming growth factor‑β1 on the proliferation and invasion of the HTR‑8/SVneo cell line". Oncology Letters 8.5 (2014): 2187-2192.
Chicago
Zuo, Y., Fu, Z., Hu, Y., Li, Y., Xu, Q., Sun, D., Tan, Y."Effects of transforming growth factor‑β1 on the proliferation and invasion of the HTR‑8/SVneo cell line". Oncology Letters 8, no. 5 (2014): 2187-2192. https://doi.org/10.3892/ol.2014.2451
Copy and paste a formatted citation
x
Spandidos Publications style
Zuo Y, Fu Z, Hu Y, Li Y, Xu Q, Sun D and Tan Y: Effects of transforming growth factor‑β1 on the proliferation and invasion of the HTR‑8/SVneo cell line. Oncol Lett 8: 2187-2192, 2014.
APA
Zuo, Y., Fu, Z., Hu, Y., Li, Y., Xu, Q., Sun, D., & Tan, Y. (2014). Effects of transforming growth factor‑β1 on the proliferation and invasion of the HTR‑8/SVneo cell line. Oncology Letters, 8, 2187-2192. https://doi.org/10.3892/ol.2014.2451
MLA
Zuo, Y., Fu, Z., Hu, Y., Li, Y., Xu, Q., Sun, D., Tan, Y."Effects of transforming growth factor‑β1 on the proliferation and invasion of the HTR‑8/SVneo cell line". Oncology Letters 8.5 (2014): 2187-2192.
Chicago
Zuo, Y., Fu, Z., Hu, Y., Li, Y., Xu, Q., Sun, D., Tan, Y."Effects of transforming growth factor‑β1 on the proliferation and invasion of the HTR‑8/SVneo cell line". Oncology Letters 8, no. 5 (2014): 2187-2192. https://doi.org/10.3892/ol.2014.2451
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